.gitignore

@@ -13,6 +13,3 @@ node_modules/
 # Coverage
 coverage/
 .nyc_output/
-
-# TypeScript
-build/

.prettierrc

@@ -1,4 +0,0 @@
-{
-  "tabWidth": 4,
-  "singleQuote": true
-}

index.js

@@ -0,0 +1,197 @@
+module.exports = {
+    auth: require('./lib/auth/auth'),
+    constants: require('./lib/constants'),
+    db: require('./lib/db'),
+    errors: require('./lib/errors.js'),
+    errorUtils: require('./lib/errorUtils'),
+    shuffle: require('./lib/shuffle'),
+    stringHash: require('./lib/stringHash'),
+    ipCheck: require('./lib/ipCheck'),
+    jsutil: require('./lib/jsutil'),
+    https: {
+        ciphers: require('./lib/https/ciphers.js'),
+        dhparam: require('./lib/https/dh2048.js'),
+    },
+    algorithms: {
+        list: require('./lib/algos/list/exportAlgos'),
+        listTools: {
+            DelimiterTools: require('./lib/algos/list/tools'),
+        },
+        cache: {
+            LRUCache: require('./lib/algos/cache/LRUCache'),
+        },
+        stream: {
+            MergeStream: require('./lib/algos/stream/MergeStream'),
+        },
+        SortedSet: require('./lib/algos/set/SortedSet'),
+    },
+    policies: {
+        evaluators: require('./lib/policyEvaluator/evaluator.js'),
+        validateUserPolicy: require('./lib/policy/policyValidator')
+            .validateUserPolicy,
+        evaluatePrincipal: require('./lib/policyEvaluator/principal'),
+        RequestContext: require('./lib/policyEvaluator/RequestContext.js'),
+        requestUtils: require('./lib/policyEvaluator/requestUtils'),
+        actionMaps: require('./lib/policyEvaluator/utils/actionMaps'),
+    },
+    Clustering: require('./lib/Clustering'),
+    testing: {
+        matrix: require('./lib/testing/matrix.js'),
+    },
+    versioning: {
+        VersioningConstants: require('./lib/versioning/constants.js')
+            .VersioningConstants,
+        Version: require('./lib/versioning/Version.js').Version,
+        VersionID: require('./lib/versioning/VersionID.js'),
+    },
+    network: {
+        http: {
+            server: require('./lib/network/http/server'),
+        },
+        rpc: require('./lib/network/rpc/rpc'),
+        level: require('./lib/network/rpc/level-net'),
+        rest: {
+            RESTServer: require('./lib/network/rest/RESTServer'),
+            RESTClient: require('./lib/network/rest/RESTClient'),
+        },
+        RoundRobin: require('./lib/network/RoundRobin'),
+        probe: {
+            ProbeServer: require('./lib/network/probe/ProbeServer'),
+            HealthProbeServer:
+                require('./lib/network/probe/HealthProbeServer.js'),
+            Utils: require('./lib/network/probe/Utils.js'),
+        },
+        kmip: require('./lib/network/kmip'),
+        kmipClient: require('./lib/network/kmip/Client'),
+    },
+    s3routes: {
+        routes: require('./lib/s3routes/routes'),
+        routesUtils: require('./lib/s3routes/routesUtils'),
+    },
+    s3middleware: {
+        userMetadata: require('./lib/s3middleware/userMetadata'),
+        convertToXml: require('./lib/s3middleware/convertToXml'),
+        escapeForXml: require('./lib/s3middleware/escapeForXml'),
+        objectLegalHold: require('./lib/s3middleware/objectLegalHold'),
+        tagging: require('./lib/s3middleware/tagging'),
+        checkDateModifiedHeaders:
+            require('./lib/s3middleware/validateConditionalHeaders')
+            .checkDateModifiedHeaders,
+        validateConditionalHeaders:
+            require('./lib/s3middleware/validateConditionalHeaders')
+            .validateConditionalHeaders,
+        MD5Sum: require('./lib/s3middleware/MD5Sum'),
+        NullStream: require('./lib/s3middleware/nullStream'),
+        objectUtils: require('./lib/s3middleware/objectUtils'),
+        azureHelper: {
+            mpuUtils:
+                require('./lib/s3middleware/azureHelpers/mpuUtils'),
+            ResultsCollector:
+                require('./lib/s3middleware/azureHelpers/ResultsCollector'),
+            SubStreamInterface:
+                require('./lib/s3middleware/azureHelpers/SubStreamInterface'),
+        },
+        prepareStream: require('./lib/s3middleware/prepareStream'),
+        processMpuParts: require('./lib/s3middleware/processMpuParts'),
+        retention: require('./lib/s3middleware/objectRetention'),
+        lifecycleHelpers: require('./lib/s3middleware/lifecycleHelpers'),
+    },
+    storage: {
+        metadata: {
+            MetadataWrapper: require('./lib/storage/metadata/MetadataWrapper'),
+            bucketclient: {
+                BucketClientInterface:
+                require('./lib/storage/metadata/bucketclient/' +
+                    'BucketClientInterface'),
+                LogConsumer:
+                require('./lib/storage/metadata/bucketclient/LogConsumer'),
+            },
+            file: {
+                BucketFileInterface:
+                require('./lib/storage/metadata/file/BucketFileInterface'),
+                MetadataFileServer:
+                require('./lib/storage/metadata/file/MetadataFileServer'),
+                MetadataFileClient:
+                require('./lib/storage/metadata/file/MetadataFileClient'),
+            },
+            inMemory: {
+                metastore:
+                require('./lib/storage/metadata/in_memory/metastore'),
+                metadata: require('./lib/storage/metadata/in_memory/metadata'),
+                bucketUtilities:
+                require('./lib/storage/metadata/in_memory/bucket_utilities'),
+            },
+            mongoclient: {
+                MongoClientInterface:
+                require('./lib/storage/metadata/mongoclient/' +
+                    'MongoClientInterface'),
+                LogConsumer:
+                require('./lib/storage/metadata/mongoclient/LogConsumer'),
+            },
+            proxy: {
+                Server: require('./lib/storage/metadata/proxy/Server'),
+            },
+        },
+        data: {
+            DataWrapper: require('./lib/storage/data/DataWrapper'),
+            MultipleBackendGateway:
+            require('./lib/storage/data/MultipleBackendGateway'),
+            parseLC: require('./lib/storage/data/LocationConstraintParser'),
+            file: {
+                DataFileStore:
+                require('./lib/storage/data/file/DataFileStore'),
+                DataFileInterface:
+                require('./lib/storage/data/file/DataFileInterface'),
+            },
+            external: {
+                AwsClient: require('./lib/storage/data/external/AwsClient'),
+                AzureClient: require('./lib/storage/data/external/AzureClient'),
+                GcpClient: require('./lib/storage/data/external/GcpClient'),
+                GCP: require('./lib/storage/data/external/GCP/GcpService'),
+                GcpUtils: require('./lib/storage/data/external/GCP/GcpUtils'),
+                GcpSigner: require('./lib/storage/data/external/GCP/GcpSigner'),
+                PfsClient: require('./lib/storage/data/external/PfsClient'),
+                backendUtils: require('./lib/storage/data/external/utils'),
+            },
+            inMemory: {
+                datastore: require('./lib/storage/data/in_memory/datastore'),
+            },
+        },
+        utils: require('./lib/storage/utils'),
+    },
+    models: {
+        BackendInfo: require('./lib/models/BackendInfo'),
+        BucketInfo: require('./lib/models/BucketInfo'),
+        BucketAzureInfo: require('./lib/models/BucketAzureInfo'),
+        ObjectMD: require('./lib/models/ObjectMD'),
+        ObjectMDLocation: require('./lib/models/ObjectMDLocation'),
+        ObjectMDAzureInfo: require('./lib/models/ObjectMDAzureInfo'),
+        ARN: require('./lib/models/ARN'),
+        WebsiteConfiguration: require('./lib/models/WebsiteConfiguration'),
+        ReplicationConfiguration:
+          require('./lib/models/ReplicationConfiguration'),
+        LifecycleConfiguration:
+            require('./lib/models/LifecycleConfiguration'),
+        LifecycleRule: require('./lib/models/LifecycleRule'),
+        BucketPolicy: require('./lib/models/BucketPolicy'),
+        ObjectLockConfiguration:
+            require('./lib/models/ObjectLockConfiguration'),
+        NotificationConfiguration:
+            require('./lib/models/NotificationConfiguration'),
+    },
+    metrics: {
+        StatsClient: require('./lib/metrics/StatsClient'),
+        StatsModel: require('./lib/metrics/StatsModel'),
+        RedisClient: require('./lib/metrics/RedisClient'),
+        ZenkoMetrics: require('./lib/metrics/ZenkoMetrics'),
+    },
+    pensieve: {
+        credentialUtils: require('./lib/executables/pensieveCreds/utils'),
+    },
+    stream: {
+        readJSONStreamObject: require('./lib/stream/readJSONStreamObject'),
+    },
+    patches: {
+        locationConstraints: require('./lib/patches/locationConstraints'),
+    },
+};

index.ts

@@ -1,192 +0,0 @@
-export * as auth from './lib/auth/auth'
-export { default as constants } from './lib/constants'
-export { default as errors } from './lib/errors'
-export { default as shuffle } from './lib/shuffle'
-export { default as stringHash } from './lib/stringHash'
-export * as db from './lib/db'
-export * as errorUtils from './lib/errorUtils'
-export * as ipCheck from './lib/ipCheck'
-export * as jsutil from './lib/jsutil'
-export * as https from './lib/https'
-// algorithms: {
-//     list: require('./lib/algos/list/exportAlgos'),
-//     listTools: {
-//         DelimiterTools: require('./lib/algos/list/tools'),
-//     },
-//     cache: {
-//         LRUCache: require('./lib/algos/cache/LRUCache'),
-//     },
-//     stream: {
-//         MergeStream: require('./lib/algos/stream/MergeStream'),
-//     },
-//     SortedSet: require('./lib/algos/set/SortedSet'),
-// },
-// policies: {
-//     evaluators: require('./lib/policyEvaluator/evaluator.js'),
-//     validateUserPolicy: require('./lib/policy/policyValidator')
-//         .validateUserPolicy,
-//     evaluatePrincipal: require('./lib/policyEvaluator/principal'),
-//     RequestContext: require('./lib/policyEvaluator/RequestContext.js'),
-//     requestUtils: require('./lib/policyEvaluator/requestUtils'),
-//     actionMaps: require('./lib/policyEvaluator/utils/actionMaps'),
-// },
-// Clustering: require('./lib/Clustering'),
-// testing: {
-//     matrix: require('./lib/testing/matrix.js'),
-// },
-// versioning: {
-//     VersioningConstants: require('./lib/versioning/constants.js')
-//         .VersioningConstants,
-//     Version: require('./lib/versioning/Version.js').Version,
-//     VersionID: require('./lib/versioning/VersionID.js'),
-// },
-// network: {
-//     http: {
-//         server: require('./lib/network/http/server'),
-//     },
-//     rpc: require('./lib/network/rpc/rpc'),
-//     level: require('./lib/network/rpc/level-net'),
-//     rest: {
-//         RESTServer: require('./lib/network/rest/RESTServer'),
-//         RESTClient: require('./lib/network/rest/RESTClient'),
-//     },
-//     RoundRobin: require('./lib/network/RoundRobin'),
-//     probe: {
-//         ProbeServer: require('./lib/network/probe/ProbeServer'),
-//         HealthProbeServer:
-//             require('./lib/network/probe/HealthProbeServer.js'),
-//         Utils: require('./lib/network/probe/Utils.js'),
-//     },
-//     kmip: require('./lib/network/kmip'),
-//     kmipClient: require('./lib/network/kmip/Client'),
-// },
-// s3routes: {
-//     routes: require('./lib/s3routes/routes'),
-//     routesUtils: require('./lib/s3routes/routesUtils'),
-// },
-// s3middleware: {
-//     userMetadata: require('./lib/s3middleware/userMetadata'),
-//     convertToXml: require('./lib/s3middleware/convertToXml'),
-//     escapeForXml: require('./lib/s3middleware/escapeForXml'),
-//     objectLegalHold: require('./lib/s3middleware/objectLegalHold'),
-//     tagging: require('./lib/s3middleware/tagging'),
-//     checkDateModifiedHeaders:
-//         require('./lib/s3middleware/validateConditionalHeaders')
-//             .checkDateModifiedHeaders,
-//     validateConditionalHeaders:
-//         require('./lib/s3middleware/validateConditionalHeaders')
-//             .validateConditionalHeaders,
-//     MD5Sum: require('./lib/s3middleware/MD5Sum'),
-//     NullStream: require('./lib/s3middleware/nullStream'),
-//     objectUtils: require('./lib/s3middleware/objectUtils'),
-//     azureHelper: {
-//         mpuUtils:
-//             require('./lib/s3middleware/azureHelpers/mpuUtils'),
-//         ResultsCollector:
-//             require('./lib/s3middleware/azureHelpers/ResultsCollector'),
-//         SubStreamInterface:
-//             require('./lib/s3middleware/azureHelpers/SubStreamInterface'),
-//     },
-//     prepareStream: require('./lib/s3middleware/prepareStream'),
-//     processMpuParts: require('./lib/s3middleware/processMpuParts'),
-//     retention: require('./lib/s3middleware/objectRetention'),
-//     lifecycleHelpers: require('./lib/s3middleware/lifecycleHelpers'),
-// },
-// storage: {
-//     metadata: {
-//         MetadataWrapper: require('./lib/storage/metadata/MetadataWrapper'),
-//         bucketclient: {
-//             BucketClientInterface:
-//             require('./lib/storage/metadata/bucketclient/' +
-//                 'BucketClientInterface'),
-//             LogConsumer:
-//             require('./lib/storage/metadata/bucketclient/LogConsumer'),
-//         },
-//         file: {
-//             BucketFileInterface:
-//             require('./lib/storage/metadata/file/BucketFileInterface'),
-//             MetadataFileServer:
-//             require('./lib/storage/metadata/file/MetadataFileServer'),
-//             MetadataFileClient:
-//             require('./lib/storage/metadata/file/MetadataFileClient'),
-//         },
-//         inMemory: {
-//             metastore:
-//             require('./lib/storage/metadata/in_memory/metastore'),
-//             metadata: require('./lib/storage/metadata/in_memory/metadata'),
-//             bucketUtilities:
-//             require('./lib/storage/metadata/in_memory/bucket_utilities'),
-//         },
-//         mongoclient: {
-//             MongoClientInterface:
-//             require('./lib/storage/metadata/mongoclient/' +
-//                 'MongoClientInterface'),
-//             LogConsumer:
-//             require('./lib/storage/metadata/mongoclient/LogConsumer'),
-//         },
-//         proxy: {
-//             Server: require('./lib/storage/metadata/proxy/Server'),
-//         },
-//     },
-//     data: {
-//         DataWrapper: require('./lib/storage/data/DataWrapper'),
-//         MultipleBackendGateway:
-//         require('./lib/storage/data/MultipleBackendGateway'),
-//         parseLC: require('./lib/storage/data/LocationConstraintParser'),
-//         file: {
-//             DataFileStore:
-//             require('./lib/storage/data/file/DataFileStore'),
-//             DataFileInterface:
-//             require('./lib/storage/data/file/DataFileInterface'),
-//         },
-//         external: {
-//             AwsClient: require('./lib/storage/data/external/AwsClient'),
-//             AzureClient: require('./lib/storage/data/external/AzureClient'),
-//             GcpClient: require('./lib/storage/data/external/GcpClient'),
-//             GCP: require('./lib/storage/data/external/GCP/GcpService'),
-//             GcpUtils: require('./lib/storage/data/external/GCP/GcpUtils'),
-//             GcpSigner: require('./lib/storage/data/external/GCP/GcpSigner'),
-//             PfsClient: require('./lib/storage/data/external/PfsClient'),
-//             backendUtils: require('./lib/storage/data/external/utils'),
-//         },
-//         inMemory: {
-//             datastore: require('./lib/storage/data/in_memory/datastore'),
-//         },
-//     },
-//     utils: require('./lib/storage/utils'),
-// },
-// models: {
-//     BackendInfo: require('./lib/models/BackendInfo'),
-//     BucketInfo: require('./lib/models/BucketInfo'),
-//     BucketAzureInfo: require('./lib/models/BucketAzureInfo'),
-//     ObjectMD: require('./lib/models/ObjectMD'),
-//     ObjectMDLocation: require('./lib/models/ObjectMDLocation'),
-//     ObjectMDAzureInfo: require('./lib/models/ObjectMDAzureInfo'),
-//     ARN: require('./lib/models/ARN'),
-//     WebsiteConfiguration: require('./lib/models/WebsiteConfiguration'),
-//     ReplicationConfiguration:
-//       require('./lib/models/ReplicationConfiguration'),
-//     LifecycleConfiguration:
-//         require('./lib/models/LifecycleConfiguration'),
-//     LifecycleRule: require('./lib/models/LifecycleRule'),
-//     BucketPolicy: require('./lib/models/BucketPolicy'),
-//     ObjectLockConfiguration:
-//         require('./lib/models/ObjectLockConfiguration'),
-//     NotificationConfiguration:
-//         require('./lib/models/NotificationConfiguration'),
-// },
-// metrics: {
-//     StatsClient: require('./lib/metrics/StatsClient'),
-//     StatsModel: require('./lib/metrics/StatsModel'),
-//     RedisClient: require('./lib/metrics/RedisClient'),
-//     ZenkoMetrics: require('./lib/metrics/ZenkoMetrics'),
-// },
-// pensieve: {
-//     credentialUtils: require('./lib/executables/pensieveCreds/utils'),
-// },
-// stream: {
-//     readJSONStreamObject: require('./lib/stream/readJSONStreamObject'),
-// },
-// patches: {
-//     locationConstraints: require('./lib/patches/locationConstraints'),
-// },

lib/Clustering.js

@@ -1,6 +1,8 @@
-import * as cluster from 'cluster';
+'use strict'; // eslint-disable-line
 
-export default class Clustering {
+const cluster = require('cluster');
+
+class Clustering {
     /**
      * Constructor
      *
@@ -257,3 +259,5 @@ export default class Clustering {
         });
     }
 }
+
+module.exports = Clustering;

lib/algos/cache/LRUCache.js

@@ -1,4 +1,4 @@
-import assert from 'assert';
+const assert = require('assert');
 
 /**
  * @class
@@ -6,19 +6,13 @@ import assert from 'assert';
  * number of items and a Least Recently Used (LRU) strategy for
  * eviction.
  */
-export default class LRUCache {
+class LRUCache {
-    _maxEntries;
-    _entryMap;
-    _entryCount;
-    _lruTail;
-    _lruHead;
-
     /**
      * @constructor
-     * @param maxEntries - maximum number of entries kept in
+     * @param {number} maxEntries - maximum number of entries kept in
      * the cache
      */
-    constructor(maxEntries: number) {
+    constructor(maxEntries) {
         assert(maxEntries >= 1);
         this._maxEntries = maxEntries;
         this.clear();
@@ -28,12 +22,12 @@ export default class LRUCache {
      * Add or update the value associated to a key in the cache,
      * making it the most recently accessed for eviction purpose.
      *
-     * @param key - key to add
+     * @param {string} key - key to add
-     * @param value - associated value (can be of any type)
+     * @param {object} value - associated value (can be of any type)
-     * @return true if the cache contained an entry with
+     * @return {boolean} true if the cache contained an entry with
      * this key, false if it did not
      */
-    add(key: string, value): boolean {
+    add(key, value) {
         let entry = this._entryMap[key];
         if (entry) {
             entry.value = value;
@@ -60,12 +54,12 @@ export default class LRUCache {
      * Get the value associated to a key in the cache, making it the
      * most recently accessed for eviction purpose.
      *
-     * @param key - key of which to fetch the associated value
+     * @param {string} key - key of which to fetch the associated value
-     * @return returns the associated value if
+     * @return {object|undefined} - returns the associated value if
      * exists in the cache, or undefined if not found - either if the
      * key was never added or if it has been evicted from the cache.
      */
-    get(key: string) {
+    get(key) {
         const entry = this._entryMap[key];
         if (entry) {
             // make the entry the most recently used by re-pushing it
@@ -80,12 +74,12 @@ export default class LRUCache {
     /**
      * Remove an entry from the cache if exists
      *
-     * @param key - key to remove
+     * @param {string} key - key to remove
-     * @return true if an entry has been removed, false if
+     * @return {boolean} true if an entry has been removed, false if
      * there was no entry with this key in the cache - either if the
      * key was never added or if it has been evicted from the cache.
      */
-    remove(key: string): boolean {
+    remove(key) {
         const entry = this._entryMap[key];
         if (entry) {
             this._removeEntry(entry);
@@ -97,14 +91,16 @@ export default class LRUCache {
     /**
      * Get the current number of cached entries
      *
-     * @return current number of cached entries
+     * @return {number} current number of cached entries
      */
-    count(): number {
+    count() {
         return this._entryCount;
     }
 
     /**
      * Remove all entries from the cache
+     *
+     * @return {undefined}
      */
     clear() {
         this._entryMap = {};
@@ -117,7 +113,8 @@ export default class LRUCache {
      * Push an entry to the front of the LRU list, making it the most
      * recently accessed
      *
-     * @param entry - entry to push
+     * @param {object} entry - entry to push
+     * @return {undefined}
      */
     _lruPushEntry(entry) {
         /* eslint-disable no-param-reassign */
@@ -136,7 +133,8 @@ export default class LRUCache {
     /**
      * Remove an entry from the LRU list
      *
-     * @param entry - entry to remove
+     * @param {object} entry - entry to remove
+     * @return {undefined}
      */
     _lruRemoveEntry(entry) {
         /* eslint-disable no-param-reassign */
@@ -156,7 +154,8 @@ export default class LRUCache {
     /**
      * Helper function to remove an existing entry from the cache
      *
-     * @param entry - cache entry to remove
+     * @param {object} entry - cache entry to remove
+     * @return {undefined}
      */
     _removeEntry(entry) {
         this._lruRemoveEntry(entry);
@@ -164,3 +163,5 @@ export default class LRUCache {
         this._entryCount -= 1;
     }
 }
+
+module.exports = LRUCache;

lib/algos/list/Extension.js

@@ -1,4 +1,7 @@
-import { FILTER_SKIP, SKIP_NONE } from './tools';
+'use strict'; // eslint-disable-line strict
+
+const { FILTER_SKIP, SKIP_NONE } = require('./tools');
+
 // Use a heuristic to amortize the cost of JSON
 // serialization/deserialization only on largest metadata where the
 // potential for size reduction is high, considering the bulk of the
@@ -19,12 +22,7 @@ const TRIM_METADATA_MIN_BLOB_SIZE = 10000;
 /**
  *  Base class of listing extensions.
  */
-export default class Extension {
+class Extension {
-    parameters;
-    logger;
-    res?: any[];
-    keys: number;
-
     /**
      * This takes a list of parameters and a logger as the inputs.
      * Derivatives should have their own format regarding parameters.
@@ -53,14 +51,14 @@ export default class Extension {
      * heavy unused fields, or left untouched (depending on size
      * heuristics)
      */
-    trimMetadata(value: string): string {
+    trimMetadata(value) {
-        let ret: any = undefined;
+        let ret = undefined;
         if (value.length >= TRIM_METADATA_MIN_BLOB_SIZE) {
             try {
                 ret = JSON.parse(value);
                 delete ret.location;
                 ret = JSON.stringify(ret);
-            } catch (e: any) {
+            } catch (e) {
                 // Prefer returning an unfiltered data rather than
                 // stopping the service in case of parsing failure.
                 // The risk of this approach is a potential
@@ -68,8 +66,7 @@ export default class Extension {
                 // used by repd.
                 this.logger.warn(
                     'Could not parse Object Metadata while listing',
-                    { err: e.toString() }
+                    { err: e.toString() });
-                );
             }
         }
         return ret || value;
@@ -99,7 +96,7 @@ export default class Extension {
      *                    = 0: entry is accepted but not included (skipping)
      *                    < 0: entry is not accepted, listing should finish
      */
-    filter(entry): number {
+    filter(entry) {
         return entry ? FILTER_SKIP : FILTER_SKIP;
     }
 
@@ -108,18 +105,20 @@ export default class Extension {
      * because it is skipping a range of delimited keys or a range of specific
      * version when doing master version listing.
      *
-     * @return the insight: a common prefix or a master key,
+     * @return {string} - the insight: a common prefix or a master key,
      *                                 or SKIP_NONE if there is no insight
      */
-    skipping(): string | undefined {
+    skipping() {
         return SKIP_NONE;
     }
 
     /**
      * Get the listing resutls. Format depends on derivatives' specific logic.
-     * @return The listed elements
+     * @return {Array} - The listed elements
      */
     result() {
         return this.res;
     }
 }
+
+module.exports.default = Extension;

lib/algos/list/MPU.js

@@ -1,12 +1,9 @@
-import {
+'use strict'; // eslint-disable-line strict
-    inc,
+
-    checkLimit,
+const { inc, checkLimit, listingParamsMasterKeysV0ToV1,
-    listingParamsMasterKeysV0ToV1,
+        FILTER_END, FILTER_ACCEPT } = require('./tools');
-    FILTER_END,
-    FILTER_ACCEPT,
-} from './tools';
 const DEFAULT_MAX_KEYS = 1000;
-import { VersioningConstants as VSConst } from '../../versioning/constants';
+const VSConst = require('../../versioning/constants').VersioningConstants;
 const { DbPrefixes, BucketVersioningKeyFormat } = VSConst;
 
 function numberDefault(num, defaultNum) {
@@ -17,22 +14,7 @@ function numberDefault(num, defaultNum) {
 /**
  *  Class for the MultipartUploads extension
  */
-export class MultipartUploads {
+class MultipartUploads {
-    params
-    vFormat
-    CommonPrefixes
-    Uploads
-    IsTruncated
-    NextKeyMarker
-    NextUploadIdMarker
-    prefixLength
-    queryPrefixLength
-    keys
-    maxKeys
-    delimiter
-    splitter
-    logger
-
     /**
      *  Constructor of the extension
      *  Init and check parameters
@@ -57,9 +39,7 @@ export class MultipartUploads {
         this.splitter = params.splitter;
         this.logger = logger;
 
-        Object.assign(
+        Object.assign(this, {
-            this,
-            {
             [BucketVersioningKeyFormat.v0]: {
                 genMDParams: this.genMDParamsV0,
                 getObjectKey: this.getObjectKeyV0,
@@ -68,15 +48,13 @@ export class MultipartUploads {
                 genMDParams: this.genMDParamsV1,
                 getObjectKey: this.getObjectKeyV1,
             },
-            }[this.vFormat]
+        }[this.vFormat]);
-        );
     }
 
     genMDParamsV0() {
         const params = {};
         if (this.params.keyMarker) {
-            params.gt =
+            params.gt = `overview${this.params.splitter}` +
-                `overview${this.params.splitter}` +
                 `${this.params.keyMarker}${this.params.splitter}`;
             if (this.params.uploadIdMarker) {
                 params.gt += `${this.params.uploadIdMarker}`;
@@ -169,20 +147,14 @@ export class MultipartUploads {
         if (this.delimiter) {
             const mpuPrefixSlice = `overview${this.splitter}`.length;
             const mpuKey = key.slice(mpuPrefixSlice);
-            const commonPrefixIndex = mpuKey.indexOf(
+            const commonPrefixIndex = mpuKey.indexOf(this.delimiter,
-                this.delimiter,
+                this.queryPrefixLength);
-                this.queryPrefixLength
-            );
 
             if (commonPrefixIndex === -1) {
                 this.addUpload(value);
             } else {
-                this.addCommonPrefix(
+                this.addCommonPrefix(mpuKey.substring(0,
-                    mpuKey.substring(
+                    commonPrefixIndex + this.delimiter.length));
-                        0,
-                        commonPrefixIndex + this.delimiter.length
-                    )
-                );
             }
         } else {
             this.addUpload(value);
@@ -210,3 +182,7 @@ export class MultipartUploads {
         };
     }
 }
+
+module.exports = {
+    MultipartUploads,
+};

lib/algos/list/basic.js

@@ -1,17 +1,14 @@
-import Extension from './Extension';
+'use strict'; // eslint-disable-line strict
-import { checkLimit, FILTER_END, FILTER_ACCEPT, FILTER_SKIP } from './tools';
 
+const Extension = require('./Extension').default;
+
+const { checkLimit, FILTER_END, FILTER_ACCEPT, FILTER_SKIP } = require('./tools');
 const DEFAULT_MAX_KEYS = 10000;
 
 /**
  *  Class of an extension doing the simple listing
  */
-export class List extends Extension {
+class List extends Extension {
-    maxKeys: number;
-    filterKey;
-    filterKeyStartsWith;
-    res: any[];
-
     /**
      *  Constructor
      *  Set the logger and the res
@@ -33,17 +30,15 @@ export class List extends Extension {
     }
 
     genMDParams() {
-        const params = this.parameters
+        const params = this.parameters ? {
-            ? {
             gt: this.parameters.gt,
             gte: this.parameters.gte || this.parameters.start,
             lt: this.parameters.lt,
             lte: this.parameters.lte || this.parameters.end,
             keys: this.parameters.keys,
             values: this.parameters.values,
-              }
+        } : {};
-            : {};
+        Object.keys(params).forEach(key => {
-        Object.keys(params).forEach((key) => {
             if (params[key] === null || params[key] === undefined) {
                 delete params[key];
             }
@@ -58,30 +53,29 @@ export class List extends Extension {
      *
      * @return {Boolean} Returns true if matches, else false.
      */
-    customFilter(value: string): boolean {
+    customFilter(value) {
-        let _value: any;
+        let _value;
         try {
             _value = JSON.parse(value);
-        } catch (e: any) {
+        } catch (e) {
             // Prefer returning an unfiltered data rather than
             // stopping the service in case of parsing failure.
             // The risk of this approach is a potential
             // reproduction of MD-692, where too much memory is
             // used by repd.
-            this.logger.warn('Could not parse Object Metadata while listing', {
+            this.logger.warn(
-                err: e.toString(),
+                'Could not parse Object Metadata while listing',
-            });
+                { err: e.toString() });
             return false;
         }
         if (_value.customAttributes !== undefined) {
             for (const key of Object.keys(_value.customAttributes)) {
-                if (this.filterKey !== undefined && key === this.filterKey) {
+                if (this.filterKey !== undefined &&
+                    key === this.filterKey) {
                     return true;
                 }
-                if (
+                if (this.filterKeyStartsWith !== undefined &&
-                    this.filterKeyStartsWith !== undefined &&
+                    key.startsWith(this.filterKeyStartsWith)) {
-                    key.startsWith(this.filterKeyStartsWith)
-                ) {
                     return true;
                 }
             }
@@ -96,17 +90,15 @@ export class List extends Extension {
      *  @return {number} - > 0 : continue listing
      *                     < 0 : listing done
      */
-    filter(elem): number {
+    filter(elem) {
         // Check first in case of maxkeys <= 0
         if (this.keys >= this.maxKeys) {
             return FILTER_END;
         }
-        if (
+        if ((this.filterKey !== undefined ||
-            (this.filterKey !== undefined ||
              this.filterKeyStartsWith !== undefined) &&
             typeof elem === 'object' &&
-            !this.customFilter(elem.value)
+            !this.customFilter(elem.value)) {
-        ) {
             return FILTER_SKIP;
         }
         if (typeof elem === 'object') {
@@ -129,3 +121,7 @@ export class List extends Extension {
         return this.res;
     }
 }
+
+module.exports = {
+    List,
+};

lib/algos/list/delimiter.js

@@ -1,12 +1,9 @@
-import Extension from './Extension';
+'use strict'; // eslint-disable-line strict
-import {
+
-    inc,
+const Extension = require('./Extension').default;
-    listingParamsMasterKeysV0ToV1,
+const { inc, listingParamsMasterKeysV0ToV1,
-    FILTER_END,
+        FILTER_END, FILTER_ACCEPT, FILTER_SKIP } = require('./tools');
-    FILTER_ACCEPT,
+const VSConst = require('../../versioning/constants').VersioningConstants;
-    FILTER_SKIP,
-} from './tools';
-import { VersioningConstants as VSConst } from '../../versioning/constants';
 const { DbPrefixes, BucketVersioningKeyFormat } = VSConst;
 
 /**
@@ -17,11 +14,7 @@ const { DbPrefixes, BucketVersioningKeyFormat } = VSConst;
  * @param {Number} delimiterIndex - 'folder' index in the path
  * @return {String}               - CommonPrefix
  */
-function getCommonPrefix(
+function getCommonPrefix(key, delimiter, delimiterIndex) {
-    key: string,
-    delimiter: string,
-    delimiterIndex: number
-): string {
     return key.substring(0, delimiterIndex + delimiter.length);
 }
 
@@ -37,25 +30,7 @@ function getCommonPrefix(
  * @prop {String|undefined} prefix     - prefix per amazon format
  * @prop {Number} maxKeys              - number of keys to list
  */
-export class Delimiter extends Extension {
+class Delimiter extends Extension {
-    CommonPrefixes: string[];
-    Contents: string[];
-    IsTruncated: boolean;
-    NextMarker?: string;
-    keys: number;
-    delimiter?: string;
-    prefix?: string;
-    maxKeys: number;
-    marker;
-    startAfter;
-    continuationToken;
-    alphabeticalOrder;
-    vFormat;
-    NextContinuationToken;
-    startMarker;
-    continueMarker;
-    nextContinueMarker;
-
     /**
      * Create a new Delimiter instance
      * @constructor
@@ -83,7 +58,6 @@ export class Delimiter extends Extension {
     constructor(parameters, logger, vFormat) {
         super(parameters, logger);
         // original listing parameters
-        this.keys = 0;
         this.delimiter = parameters.delimiter;
         this.prefix = parameters.prefix;
         this.marker = parameters.marker;
@@ -91,9 +65,8 @@ export class Delimiter extends Extension {
         this.startAfter = parameters.startAfter;
         this.continuationToken = parameters.continuationToken;
         this.alphabeticalOrder =
-            typeof parameters.alphabeticalOrder !== 'undefined'
+          typeof parameters.alphabeticalOrder !== 'undefined' ?
-                ? parameters.alphabeticalOrder
+                                 parameters.alphabeticalOrder : true;
-                : true;
 
         this.vFormat = vFormat || BucketVersioningKeyFormat.v0;
         // results
@@ -106,28 +79,21 @@ export class Delimiter extends Extension {
 
         this.startMarker = parameters.v2 ? 'startAfter' : 'marker';
         this.continueMarker = parameters.v2 ? 'continuationToken' : 'marker';
-        this.nextContinueMarker = parameters.v2
+        this.nextContinueMarker = parameters.v2 ?
-            ? 'NextContinuationToken'
+            'NextContinuationToken' : 'NextMarker';
-            : 'NextMarker';
 
-        if (
+        if (this.delimiter !== undefined &&
-            this.delimiter !== undefined &&
             this[this.nextContinueMarker] !== undefined &&
-            this[this.nextContinueMarker].startsWith(this.prefix || '')
+            this[this.nextContinueMarker].startsWith(this.prefix || '')) {
-        ) {
+            const nextDelimiterIndex =
-            const nextDelimiterIndex = this[this.nextContinueMarker].indexOf(
+                this[this.nextContinueMarker].indexOf(this.delimiter,
-                this.delimiter,
+                                        this.prefix ? this.prefix.length : 0);
-                this.prefix ? this.prefix.length : 0
+            this[this.nextContinueMarker] =
-            );
+                this[this.nextContinueMarker].slice(0, nextDelimiterIndex +
-            this[this.nextContinueMarker] = this[this.nextContinueMarker].slice(
+                                        this.delimiter.length);
-                0,
-                nextDelimiterIndex + this.delimiter.length
-            );
         }
 
-        Object.assign(
+        Object.assign(this, {
-            this,
-            {
             [BucketVersioningKeyFormat.v0]: {
                 genMDParams: this.genMDParamsV0,
                 getObjectKey: this.getObjectKeyV0,
@@ -138,12 +104,11 @@ export class Delimiter extends Extension {
                 getObjectKey: this.getObjectKeyV1,
                 skipping: this.skippingV1,
             },
-            }[this.vFormat]
+        }[this.vFormat]);
-        );
     }
 
     genMDParamsV0() {
-        const params: { gte?: string; lt?: string; gt?: string } = {};
+        const params = {};
         if (this.prefix) {
             params.gte = this.prefix;
             params.lt = inc(this.prefix);
@@ -169,7 +134,7 @@ export class Delimiter extends Extension {
      * final state of the result if it is the case
      * @return {Boolean} - indicates if the iteration has to stop
      */
-    _reachedMaxKeys(): boolean {
+    _reachedMaxKeys() {
         if (this.keys >= this.maxKeys) {
             // In cases of maxKeys <= 0 -> IsTruncated = false
             this.IsTruncated = this.maxKeys > 0;
@@ -186,7 +151,7 @@ export class Delimiter extends Extension {
      *  @param {String} value - The value of the key
      *  @return {number}      - indicates if iteration should continue
      */
-    addContents(key: string, value: string): number {
+    addContents(key, value) {
         if (this._reachedMaxKeys()) {
             return FILTER_END;
         }
@@ -196,11 +161,11 @@ export class Delimiter extends Extension {
         return FILTER_ACCEPT;
     }
 
-    getObjectKeyV0(obj: { key: string }) {
+    getObjectKeyV0(obj) {
         return obj.key;
     }
 
-    getObjectKeyV1(obj: { key: string }) {
+    getObjectKeyV1(obj) {
         return obj.key.slice(DbPrefixes.Master.length);
     }
 
@@ -215,15 +180,13 @@ export class Delimiter extends Extension {
      *  @param {String} obj.value - The value of the element
      *  @return {number}          - indicates if iteration should continue
      */
-    filter(obj: { key: string; value: string }): number {
+    filter(obj) {
         const key = this.getObjectKey(obj);
         const value = obj.value;
-        if (
+        if ((this.prefix && !key.startsWith(this.prefix))
-            (this.prefix && !key.startsWith(this.prefix)) ||
+            || (this.alphabeticalOrder
-            (this.alphabeticalOrder &&
+                && typeof this[this.nextContinueMarker] === 'string'
-                typeof this[this.nextContinueMarker] === 'string' &&
+                && key <= this[this.nextContinueMarker])) {
-                key <= this[this.nextContinueMarker])
-        ) {
             return FILTER_SKIP;
         }
         if (this.delimiter) {
@@ -243,12 +206,10 @@ export class Delimiter extends Extension {
      * @param {Number} index - after prefix starting point
      * @return {Boolean}     - indicates if iteration should continue
      */
-    addCommonPrefix(key: string, index: number): boolean {
+    addCommonPrefix(key, index) {
         const commonPrefix = getCommonPrefix(key, this.delimiter, index);
-        if (
+        if (this.CommonPrefixes.indexOf(commonPrefix) === -1
-            this.CommonPrefixes.indexOf(commonPrefix) === -1 &&
+                && this[this.nextContinueMarker] !== commonPrefix) {
-            this[this.nextContinueMarker] !== commonPrefix
-        ) {
             if (this._reachedMaxKeys()) {
                 return FILTER_END;
             }
@@ -267,7 +228,7 @@ export class Delimiter extends Extension {
      * @return {string} - the present range (NextMarker) if repd believes
      *                    that it's enough and should move on
      */
-    skippingV0(): string {
+    skippingV0() {
         return this[this.nextContinueMarker];
     }
 
@@ -278,7 +239,7 @@ export class Delimiter extends Extension {
      * @return {string} - the present range (NextMarker) if repd believes
      *                    that it's enough and should move on
      */
-    skippingV1(): string {
+    skippingV1() {
         return DbPrefixes.Master + this[this.nextContinueMarker];
     }
 
@@ -300,17 +261,14 @@ export class Delimiter extends Extension {
             Delimiter: this.delimiter,
         };
         if (this.parameters.v2) {
-            //
             result.NextContinuationToken = this.IsTruncated
-                ? this.NextContinuationToken
+                ? this.NextContinuationToken : undefined;
-                : undefined;
         } else {
-            //
+            result.NextMarker = (this.IsTruncated && this.delimiter)
-            result.NextMarker =
+                ? this.NextMarker : undefined;
-                this.IsTruncated && this.delimiter
-                    ? this.NextMarker
-                    : undefined;
         }
         return result;
     }
 }
+
+module.exports = { Delimiter };

lib/algos/list/delimiterMaster.js

@@ -1,8 +1,10 @@
-import { Delimiter } from './delimiter';
+'use strict'; // eslint-disable-line strict
-import { Version } from '../../versioning/Version';
+
-import { VersioningConstants as VSConst } from '../../versioning/constants';
+const Delimiter = require('./delimiter').Delimiter;
+const Version = require('../../versioning/Version').Version;
+const VSConst = require('../../versioning/constants').VersioningConstants;
 const { BucketVersioningKeyFormat } = VSConst;
-import { FILTER_ACCEPT, FILTER_SKIP, SKIP_NONE } from './tools';
+const { FILTER_ACCEPT, FILTER_SKIP, SKIP_NONE } = require('./tools');
 
 const VID_SEP = VSConst.VersionId.Separator;
 const { DbPrefixes } = VSConst;
@@ -11,11 +13,7 @@ const { DbPrefixes } = VSConst;
  * Handle object listing with parameters. This extends the base class Delimiter
  * to return the raw master versions of existing objects.
  */
-export class DelimiterMaster extends Delimiter {
+class DelimiterMaster extends Delimiter {
-    prvKey;
-    prvPHDKey;
-    inReplayPrefix;
-
     /**
      * Delimiter listing of master versions.
      * @param {Object}  parameters            - listing parameters
@@ -36,9 +34,7 @@ export class DelimiterMaster extends Delimiter {
         this.prvPHDKey = undefined;
         this.inReplayPrefix = false;
 
-        Object.assign(
+        Object.assign(this, {
-            this,
-            {
             [BucketVersioningKeyFormat.v0]: {
                 filter: this.filterV0,
                 skipping: this.skippingV0,
@@ -47,8 +43,7 @@ export class DelimiterMaster extends Delimiter {
                 filter: this.filterV1,
                 skipping: this.skippingV1,
             },
-            }[this.vFormat]
+        }[this.vFormat]);
-        );
     }
 
     /**
@@ -63,7 +58,7 @@ export class DelimiterMaster extends Delimiter {
      *  @param {String} obj.value - The value of the element
      *  @return {number}          - indicates if iteration should continue
      */
-    filterV0(obj: { key: string; value: string }): number {
+    filterV0(obj) {
         let key = obj.key;
         const value = obj.value;
 
@@ -75,11 +70,9 @@ export class DelimiterMaster extends Delimiter {
 
         /* Skip keys not starting with the prefix or not alphabetically
          * ordered. */
-        if (
+        if ((this.prefix && !key.startsWith(this.prefix))
-            (this.prefix && !key.startsWith(this.prefix)) ||
+                || (typeof this[this.nextContinueMarker] === 'string' &&
-            (typeof this[this.nextContinueMarker] === 'string' &&
+                    key <= this[this.nextContinueMarker])) {
-                key <= this[this.nextContinueMarker])
-        ) {
             return FILTER_SKIP;
         }
 
@@ -102,12 +95,9 @@ export class DelimiterMaster extends Delimiter {
              *   NextMarker to the common prefix instead of the whole key
              *   value. (TODO: remove this test once ZENKO-1048 is fixed)
              *   */
-            if (
+            if (key === this.prvKey || key === this[this.nextContinueMarker] ||
-                key === this.prvKey ||
-                key === this[this.nextContinueMarker] ||
                 (this.delimiter &&
-                    key.startsWith(this[this.nextContinueMarker]))
+                key.startsWith(this[this.nextContinueMarker]))) {
-            ) {
                 /* master version already filtered */
                 return FILTER_SKIP;
             }
@@ -165,7 +155,7 @@ export class DelimiterMaster extends Delimiter {
      *  @param {String} obj.value - The value of the element
      *  @return {number}          - indicates if iteration should continue
      */
-    filterV1(obj: { key: string; value: string }): number {
+    filterV1(obj) {
         // Filtering master keys in v1 is simply listing the master
         // keys, as the state of version keys do not change the
         // result, so we can use Delimiter method directly.
@@ -177,9 +167,8 @@ export class DelimiterMaster extends Delimiter {
             // next marker or next continuation token:
             // - foo/ : skipping foo/
             // - foo  : skipping foo.
-            const index = this[this.nextContinueMarker].lastIndexOf(
+            const index = this[this.nextContinueMarker].
-                this.delimiter
+                lastIndexOf(this.delimiter);
-            );
             if (index === this[this.nextContinueMarker].length - 1) {
                 return this[this.nextContinueMarker];
             }
@@ -203,3 +192,5 @@ export class DelimiterMaster extends Delimiter {
         return DbPrefixes.Master + skipTo;
     }
 }
+
+module.exports = { DelimiterMaster };

lib/algos/list/delimiterVersions.js

@@ -1,13 +1,10 @@
-import { Delimiter } from './delimiter';
+'use strict'; // eslint-disable-line strict
-import { Version } from '../../versioning/Version';
+
-import { VersioningConstants as VSConst } from '../../versioning/constants';
+const Delimiter = require('./delimiter').Delimiter;
-import {
+const Version = require('../../versioning/Version').Version;
-    inc,
+const VSConst = require('../../versioning/constants').VersioningConstants;
-    FILTER_END,
+const { inc, FILTER_END, FILTER_ACCEPT, FILTER_SKIP, SKIP_NONE } =
-    FILTER_ACCEPT,
+    require('./tools');
-    FILTER_SKIP,
-    SKIP_NONE,
-} from './tools';
 
 const VID_SEP = VSConst.VersionId.Separator;
 const { DbPrefixes, BucketVersioningKeyFormat } = VSConst;
@@ -24,16 +21,7 @@ const { DbPrefixes, BucketVersioningKeyFormat } = VSConst;
  * @prop {String|undefined} prefix     - prefix per amazon format
  * @prop {Number} maxKeys              - number of keys to list
  */
-export class DelimiterVersions extends Delimiter {
+class DelimiterVersions extends Delimiter {
-    CommonPrefixes: string[];
-    Contents: string[];
-    IsTruncated: boolean;
-    NextMarker?: string;
-    keys: number;
-    delimiter?: string;
-    prefix?: string;
-    maxKeys: number;
-
     constructor(parameters, logger, vFormat) {
         super(parameters, logger, vFormat);
         // specific to version listing
@@ -47,9 +35,7 @@ export class DelimiterVersions extends Delimiter {
         this.NextVersionIdMarker = undefined;
         this.inReplayPrefix = false;
 
-        Object.assign(
+        Object.assign(this, {
-            this,
-            {
             [BucketVersioningKeyFormat.v0]: {
                 genMDParams: this.genMDParamsV0,
                 filter: this.filterV0,
@@ -60,8 +46,7 @@ export class DelimiterVersions extends Delimiter {
                 filter: this.filterV1,
                 skipping: this.skippingV1,
             },
-            }[this.vFormat]
+        }[this.vFormat]);
-        );
     }
 
     genMDParamsV0() {
@@ -78,10 +63,9 @@ export class DelimiterVersions extends Delimiter {
             if (this.parameters.versionIdMarker) {
                 // versionIdMarker should always come with keyMarker
                 // but may not be the other way around
-                params.gt =
+                params.gt = this.parameters.keyMarker
-                    this.parameters.keyMarker +
+                    + VID_SEP
-                    VID_SEP +
+                    + this.parameters.versionIdMarker;
-                    this.parameters.versionIdMarker;
             } else {
                 params.gt = inc(this.parameters.keyMarker + VID_SEP);
             }
@@ -105,27 +89,20 @@ export class DelimiterVersions extends Delimiter {
             params[1].lt = inc(DbPrefixes.Version); // stop after the last version key
         }
         if (this.parameters.keyMarker) {
-            if (
+            if (params[1].gte <= DbPrefixes.Version + this.parameters.keyMarker) {
-                params[1].gte <=
-                DbPrefixes.Version + this.parameters.keyMarker
-            ) {
                 delete params[0].gte;
                 delete params[1].gte;
-                params[0].gt =
+                params[0].gt = DbPrefixes.Master + inc(this.parameters.keyMarker + VID_SEP);
-                    DbPrefixes.Master +
-                    inc(this.parameters.keyMarker + VID_SEP);
                 if (this.parameters.versionIdMarker) {
                     // versionIdMarker should always come with keyMarker
                     // but may not be the other way around
-                    params[1].gt =
+                    params[1].gt = DbPrefixes.Version
-                        DbPrefixes.Version +
+                        + this.parameters.keyMarker
-                        this.parameters.keyMarker +
+                        + VID_SEP
-                        VID_SEP +
+                        + this.parameters.versionIdMarker;
-                        this.parameters.versionIdMarker;
                 } else {
-                    params[1].gt =
+                    params[1].gt = DbPrefixes.Version
-                        DbPrefixes.Version +
+                        + inc(this.parameters.keyMarker + VID_SEP);
-                        inc(this.parameters.keyMarker + VID_SEP);
                 }
             }
         }
@@ -143,7 +120,7 @@ export class DelimiterVersions extends Delimiter {
      *   * -1 if master key < version key
      *   * 1 if master key > version key
      */
-    compareObjects(masterObj, versionObj): number {
+    compareObjects(masterObj, versionObj) {
         const masterKey = masterObj.key.slice(DbPrefixes.Master.length);
         const versionKey = versionObj.key.slice(DbPrefixes.Version.length);
         return masterKey < versionKey ? -1 : 1;
@@ -159,11 +136,7 @@ export class DelimiterVersions extends Delimiter {
      *  @param {String} obj.value       - The value of the key
      *  @return {Boolean} - indicates if iteration should continue
      */
-    addContents(obj: {
+    addContents(obj) {
-        key: string;
-        versionId: string;
-        value: string;
-    }): boolean {
         if (this._reachedMaxKeys()) {
             return FILTER_END;
         }
@@ -190,7 +163,7 @@ export class DelimiterVersions extends Delimiter {
      *  @param {String} obj.value - The value of the element
      *  @return {number}          - indicates if iteration should continue
      */
-    filterV0(obj: { key: string; value: string }): number {
+    filterV0(obj) {
         if (obj.key.startsWith(DbPrefixes.Replay)) {
             this.inReplayPrefix = true;
             return FILTER_SKIP;
@@ -216,14 +189,12 @@ export class DelimiterVersions extends Delimiter {
      *  @param {String} obj.value - The value of the element
      *  @return {number}          - indicates if iteration should continue
      */
-    filterV1(obj: { key: string; value: string }): number {
+    filterV1(obj) {
         // this function receives both M and V keys, but their prefix
         // length is the same so we can remove their prefix without
         // looking at the type of key
-        return this.filterCommon(
+        return this.filterCommon(obj.key.slice(DbPrefixes.Master.length),
-            obj.key.slice(DbPrefixes.Master.length),
+                                 obj.value);
-            obj.value
-        );
     }
 
     filterCommon(key, value) {
@@ -236,16 +207,14 @@ export class DelimiterVersions extends Delimiter {
         if (versionIdIndex < 0) {
             nonversionedKey = key;
             this.masterKey = key;
-            this.masterVersionId = Version.from(value).getVersionId() || 'null';
+            this.masterVersionId =
+                Version.from(value).getVersionId() || 'null';
             versionId = this.masterVersionId;
         } else {
             nonversionedKey = key.slice(0, versionIdIndex);
             versionId = key.slice(versionIdIndex + 1);
             // skip a version key if it is the master version
-            if (
+            if (this.masterKey === nonversionedKey && this.masterVersionId === versionId) {
-                this.masterKey === nonversionedKey &&
-                this.masterVersionId === versionId
-            ) {
                 return FILTER_SKIP;
             }
             this.masterKey = undefined;
@@ -253,10 +222,7 @@ export class DelimiterVersions extends Delimiter {
         }
         if (this.delimiter) {
             const baseIndex = this.prefix ? this.prefix.length : 0;
-            const delimiterIndex = nonversionedKey.indexOf(
+            const delimiterIndex = nonversionedKey.indexOf(this.delimiter, baseIndex);
-                this.delimiter,
-                baseIndex
-            );
             if (delimiterIndex >= 0) {
                 return this.addCommonPrefix(nonversionedKey, delimiterIndex);
             }
@@ -283,7 +249,8 @@ export class DelimiterVersions extends Delimiter {
             return SKIP_NONE;
         }
         // skip to the same object key in both M and V range listings
-        return [DbPrefixes.Master + skipV0, DbPrefixes.Version + skipV0];
+        return [DbPrefixes.Master + skipV0,
+                DbPrefixes.Version + skipV0];
     }
 
     /**
@@ -302,10 +269,11 @@ export class DelimiterVersions extends Delimiter {
             Versions: this.Contents,
             IsTruncated: this.IsTruncated,
             NextKeyMarker: this.IsTruncated ? this.NextMarker : undefined,
-            NextVersionIdMarker: this.IsTruncated
+            NextVersionIdMarker: this.IsTruncated ?
-                ? this.NextVersionIdMarker
+                this.NextVersionIdMarker : undefined,
-                : undefined,
             Delimiter: this.delimiter,
         };
     }
 }
+
+module.exports = { DelimiterVersions };

lib/algos/list/skip.js

@@ -1,25 +1,21 @@
-import assert from 'assert';
+const assert = require('assert');
-import { FILTER_END, FILTER_SKIP, SKIP_NONE } from './tools';
+
+const { FILTER_END, FILTER_SKIP, SKIP_NONE } = require('./tools');
+
 
 const MAX_STREAK_LENGTH = 100;
 
 /**
  * Handle the filtering and the skip mechanism of a listing result.
  */
-export class Skip {
+class Skip {
-    extension;
-    gteParams;
-    listingEndCb;
-    skipRangeCb;
-    streakLength;
-
     /**
      * @param {Object} params           - skip parameters
      * @param {Object} params.extension - delimiter extension used (required)
      * @param {String} params.gte       - current range gte (greater than or
      *                                    equal) used by the client code
      */
-    constructor(params: { extension: any; gte: string }) {
+    constructor(params) {
         assert(params.extension);
 
         this.extension = params.extension;
@@ -51,7 +47,7 @@ export class Skip {
      * This function calls the listing end or the skip range callbacks if
      * needed.
      */
-    filter(entry): void {
+    filter(entry) {
         assert(this.listingEndCb);
         assert(this.skipRangeCb);
 
@@ -60,10 +56,8 @@ export class Skip {
 
         if (filteringResult === FILTER_END) {
             this.listingEndCb();
-        } else if (
+        } else if (filteringResult === FILTER_SKIP
-            filteringResult === FILTER_SKIP &&
+                   && skippingRange !== SKIP_NONE) {
-            skippingRange !== SKIP_NONE
-        ) {
             if (++this.streakLength >= MAX_STREAK_LENGTH) {
                 const newRange = this._inc(skippingRange);
 
@@ -79,7 +73,7 @@ export class Skip {
         }
     }
 
-    _inc(str: string) {
+    _inc(str) {
         if (!str) {
             return str;
         }
@@ -89,3 +83,6 @@ export class Skip {
         return `${str.slice(0, str.length - 1)}${lastCharNewValue}`;
     }
 }
+
+
+module.exports = Skip;

lib/algos/list/tools.js

@@ -1,11 +1,10 @@
-import { VersioningConstants as VSConst } from '../../versioning/constants';
+const { DbPrefixes } = require('../../versioning/constants').VersioningConstants;
-const { DbPrefixes } = VSConst
 
 // constants for extensions
-export const SKIP_NONE = undefined; // to be inline with the values of NextMarker
+const SKIP_NONE = undefined; // to be inline with the values of NextMarker
-export const FILTER_ACCEPT = 1;
+const FILTER_ACCEPT = 1;
-export const FILTER_SKIP = 0;
+const FILTER_SKIP = 0;
-export const FILTER_END = -1;
+const FILTER_END = -1;
 
 /**
  * This function check if number is valid
@@ -16,8 +15,8 @@ export const FILTER_END = -1;
  * @param {Number} limit - The limit to respect
  * @return {Number} - The parsed number || limit
  */
-export function checkLimit(number: number, limit: number): number {
+function checkLimit(number, limit) {
-    const parsed = Number.parseInt(number, 10) 
+    const parsed = Number.parseInt(number, 10);
     const valid = !Number.isNaN(parsed) && (!limit || parsed <= limit);
     return valid ? parsed : limit;
 }
@@ -29,7 +28,7 @@ export function checkLimit(number: number, limit: number): number {
  * @return {string} - the incremented string
  *                    or the input if it is not valid
  */
-export function inc(str: string): string {
+function inc(str) {
     return str ? (str.slice(0, str.length - 1) +
             String.fromCharCode(str.charCodeAt(str.length - 1) + 1)) : str;
 }
@@ -41,7 +40,7 @@ export function inc(str: string): string {
  * @param {object} v0params - listing parameters for v0 format
  * @return {object} - listing parameters for v1 format
  */
-export function listingParamsMasterKeysV0ToV1(v0params: any): any {
+function listingParamsMasterKeysV0ToV1(v0params) {
     const v1params = Object.assign({}, v0params);
     if (v0params.gt !== undefined) {
         v1params.gt = `${DbPrefixes.Master}${v0params.gt}`;
@@ -59,3 +58,13 @@ export function listingParamsMasterKeysV0ToV1(v0params: any): any {
     }
     return v1params;
 }
+
+module.exports = {
+    checkLimit,
+    inc,
+    listingParamsMasterKeysV0ToV1,
+    SKIP_NONE,
+    FILTER_END,
+    FILTER_SKIP,
+    FILTER_ACCEPT,
+};

lib/algos/set/ArrayUtils.js

@@ -1,4 +1,4 @@
-export function indexOf<T>(arr: T[], value: T) {
+function indexOf(arr, value) {
     if (!arr.length) {
         return -1;
     }
@@ -22,10 +22,10 @@ export function indexOf<T>(arr: T[], value: T) {
     return -1;
 }
 
-export function indexAtOrBelow<T>(arr: T[], value: T) {
+function indexAtOrBelow(arr, value) {
-    let i: number;
+    let i;
-    let lo: number;
+    let lo;
-    let hi: number;
+    let hi;
 
     if (!arr.length || arr[0] > value) {
         return -1;
@@ -52,7 +52,7 @@ export function indexAtOrBelow<T>(arr: T[], value: T) {
 /*
  * perform symmetric diff in O(m + n)
  */
-export function symDiff(k1, k2, v1, v2, cb) {
+function symDiff(k1, k2, v1, v2, cb) {
     let i = 0;
     let j = 0;
     const n = k1.length;
@@ -79,3 +79,9 @@ export function symDiff(k1, k2, v1, v2, cb) {
         j++;
     }
 }
+
+module.exports = {
+    indexOf,
+    indexAtOrBelow,
+    symDiff,
+};

lib/algos/set/SortedSet.js

@@ -1,12 +1,14 @@
-import * as ArrayUtils from './ArrayUtils';
+const ArrayUtils = require('./ArrayUtils');
 
-export default class SortedSet<Key, Value> {
+class SortedSet {
-    keys: Key[];
-    values: Value[];
 
-    constructor(obj?: { keys: Key[]; values: Value[] }) {
+    constructor(obj) {
-        this.keys = obj?.keys ?? [];
+        if (obj) {
-        this.values = obj?.values ?? [];
+            this.keys = obj.keys;
+            this.values = obj.values;
+        } else {
+            this.clear();
+        }
     }
 
     clear() {
@@ -18,7 +20,7 @@ export default class SortedSet<Key, Value> {
         return this.keys.length;
     }
 
-    set(key: Key, value: Value) {
+    set(key, value) {
         const index = ArrayUtils.indexAtOrBelow(this.keys, key);
         if (this.keys[index] === key) {
             this.values[index] = value;
@@ -28,17 +30,17 @@ export default class SortedSet<Key, Value> {
         this.values.splice(index + 1, 0, value);
     }
 
-    isSet(key: Key) {
+    isSet(key) {
         const index = ArrayUtils.indexOf(this.keys, key);
         return index >= 0;
     }
 
-    get(key: Key) {
+    get(key) {
         const index = ArrayUtils.indexOf(this.keys, key);
         return index >= 0 ? this.values[index] : undefined;
     }
 
-    del(key: Key) {
+    del(key) {
         const index = ArrayUtils.indexOf(this.keys, key);
         if (index >= 0) {
             this.keys.splice(index, 1);
@@ -46,3 +48,5 @@ export default class SortedSet<Key, Value> {
         }
     }
 }
+
+module.exports = SortedSet;

lib/algos/stream/MergeStream.js

@@ -1,17 +1,7 @@
-import stream from 'stream';
+const stream = require('stream');
 
-export default class MergeStream extends stream.Readable {
+class MergeStream extends stream.Readable {
-    _compare: (a: any, b: any) => number;
+    constructor(stream1, stream2, compare) {
-    _streams: [stream.Readable, stream.Readable];
-    _peekItems: [undefined | null, undefined | null];
-    _streamEof: [boolean, boolean];
-    _streamToResume: stream.Readable | null;
-
-    constructor(
-        stream1: stream.Readable,
-        stream2: stream.Readable,
-        compare: (a: any, b: any) => number
-    ) {
         super({ objectMode: true });
 
         this._compare = compare;
@@ -26,13 +16,13 @@ export default class MergeStream extends stream.Readable {
         this._streamEof = [false, false];
         this._streamToResume = null;
 
-        stream1.on('data', (item) => this._onItem(stream1, item, 0, 1));
+        stream1.on('data', item => this._onItem(stream1, item, 0, 1));
         stream1.once('end', () => this._onEnd(stream1, 0, 1));
-        stream1.once('error', (err) => this._onError(stream1, err, 0, 1));
+        stream1.once('error', err => this._onError(stream1, err, 0, 1));
 
-        stream2.on('data', (item) => this._onItem(stream2, item, 1, 0));
+        stream2.on('data', item => this._onItem(stream2, item, 1, 0));
         stream2.once('end', () => this._onEnd(stream2, 1, 0));
-        stream2.once('error', (err) => this._onError(stream2, err, 1, 0));
+        stream2.once('error', err => this._onError(stream2, err, 1, 0));
     }
 
     _read() {
@@ -51,7 +41,7 @@ export default class MergeStream extends stream.Readable {
         callback();
     }
 
-    _onItem(myStream: stream.Readable, myItem, myIndex, otherIndex) {
+    _onItem(myStream, myItem, myIndex, otherIndex) {
         this._peekItems[myIndex] = myItem;
         const otherItem = this._peekItems[otherIndex];
         if (otherItem === undefined) {
@@ -79,7 +69,7 @@ export default class MergeStream extends stream.Readable {
         return undefined;
     }
 
-    _onEnd(myStream: stream.Readable, myIndex, otherIndex) {
+    _onEnd(myStream, myIndex, otherIndex) {
         this._streamEof[myIndex] = true;
         if (this._peekItems[myIndex] === undefined) {
             this._peekItems[myIndex] = null;
@@ -104,7 +94,7 @@ export default class MergeStream extends stream.Readable {
         return otherStream.resume();
     }
 
-    _onError(myStream: stream.Readable, err, myIndex, otherIndex) {
+    _onError(myStream, err, myIndex, otherIndex) {
         myStream.destroy();
         if (this._streams[otherIndex]) {
             this._streams[otherIndex].destroy();
@@ -112,3 +102,5 @@ export default class MergeStream extends stream.Readable {
         this.emit('error', err);
     }
 }
+
+module.exports = MergeStream;

lib/auth/AuthInfo.js

@@ -1,4 +1,6 @@
-import * as constants from '../constants';
+'use strict'; // eslint-disable-line strict
+
+const constants = require('../constants');
 
 /**
  * Class containing requester's information received from Vault
@@ -7,14 +9,7 @@ import * as constants from '../constants';
  * @return {AuthInfo} an AuthInfo instance
  */
 
-export default class AuthInfo {
+class AuthInfo {
-    arn
-    canonicalID
-    shortid
-    email
-    accountDisplayName
-    IAMdisplayName
-    
     constructor(objectFromVault) {
         // amazon resource name for IAM user (if applicable)
         this.arn = objectFromVault.arn;
@@ -55,12 +50,13 @@ export default class AuthInfo {
         return this.canonicalID === constants.publicId;
     }
     isRequesterAServiceAccount() {
-        return this.canonicalID.startsWith(`${constants.zenkoServiceAccount}/`);
+        return this.canonicalID.startsWith(
+            `${constants.zenkoServiceAccount}/`);
     }
     isRequesterThisServiceAccount(serviceName) {
-        return (
+        return this.canonicalID ===
-            this.canonicalID ===
+            `${constants.zenkoServiceAccount}/${serviceName}`;
-            `${constants.zenkoServiceAccount}/${serviceName}`
-        );
     }
 }
+
+module.exports = AuthInfo;

lib/auth/Vault.js

@@ -1,5 +1,5 @@
-import errors from '../errors';
+const errors = require('../errors');
-import AuthInfo from './AuthInfo';
+const AuthInfo = require('./AuthInfo');
 
 /** vaultSignatureCb parses message from Vault and instantiates
  * @param {object} err - error from vault
@@ -39,10 +39,7 @@ function vaultSignatureCb(err, authInfo, log, callback, streamingV4Params) {
  * authentication backends.
  * @class Vault
  */
-export default class Vault {
+class Vault {
-    client
-    implName
-    
     /**
      * @constructor
      * @param {object} client - authentication backend or vault client
@@ -94,7 +91,7 @@ export default class Vault {
                 requestContext: serializedRCsArr,
             },
             (err, userInfo) => vaultSignatureCb(err, userInfo,
-                params.log, callback),
+                                                params.log, callback)
         );
     }
 
@@ -149,7 +146,7 @@ export default class Vault {
                 requestContext: serializedRCs,
             },
             (err, userInfo) => vaultSignatureCb(err, userInfo,
-                params.log, callback, streamingV4Params),
+                params.log, callback, streamingV4Params)
         );
     }
 
@@ -315,3 +312,5 @@ export default class Vault {
         });
     }
 }
+
+module.exports = Vault;

lib/auth/auth.js

@@ -1,20 +1,22 @@
-import * as crypto from 'crypto';
+'use strict'; // eslint-disable-line strict
-import errors from '../errors';
+
-import * as queryString from 'querystring';
+const crypto = require('crypto');
-import AuthInfo from './AuthInfo';
+const errors = require('../errors');
-import * as v2 from './v2/authV2';
+const queryString = require('querystring');
-import * as v4 from './v4/authV4';
+const AuthInfo = require('./AuthInfo');
-import * as constants from '../constants';
+const v2 = require('./v2/authV2');
-import constructStringToSignV2 from './v2/constructStringToSign';
+const v4 = require('./v4/authV4');
-import constructStringToSignV4 from './v4/constructStringToSign';
+const constants = require('../constants');
-import { convertUTCtoISO8601 } from './v4/timeUtils';
+const constructStringToSignV2 = require('./v2/constructStringToSign');
-import * as vaultUtilities from './backends/in_memory/vaultUtilities';
+const constructStringToSignV4 = require('./v4/constructStringToSign');
-import * as inMemoryBackend from './backends/in_memory/Backend';
+const convertUTCtoISO8601 = require('./v4/timeUtils').convertUTCtoISO8601;
-import validateAuthConfig from './backends/in_memory/validateAuthConfig';
+const vaultUtilities = require('./backends/in_memory/vaultUtilities');
-import AuthLoader from './backends/in_memory/AuthLoader';
+const inMemoryBackend = require('./backends/in_memory/Backend');
-import Vault from './Vault';
+const validateAuthConfig = require('./backends/in_memory/validateAuthConfig');
-import baseBackend from './backends/base';
+const AuthLoader = require('./backends/in_memory/AuthLoader');
-import chainBackend from './backends/ChainBackend';
+const Vault = require('./Vault');
+const baseBackend = require('./backends/base');
+const chainBackend = require('./backends/ChainBackend');
 
 let vault = null;
 const auth = {};
@@ -71,9 +73,8 @@ function extractParams(request, log, awsService, data) {
         } else if (authHeader.startsWith('AWS4')) {
             version = 'v4';
         } else {
-            log.trace('invalid authorization security header', {
+            log.trace('invalid authorization security header',
-                header: authHeader,
+                      { header: authHeader });
-            });
             return { err: errors.AccessDenied };
         }
     } else if (data.Signature) {
@@ -87,10 +88,8 @@ function extractParams(request, log, awsService, data) {
     // Here, either both values are set, or none is set
     if (version !== null && method !== null) {
         if (!checkFunctions[version] || !checkFunctions[version][method]) {
-            log.trace('invalid auth version or method', {
+            log.trace('invalid auth version or method',
-                version,
+                      { version, authMethod: method });
-                authMethod: method,
-            });
             return { err: errors.NotImplemented };
         }
         log.trace('identified auth method', { version, authMethod: method });
@@ -122,11 +121,10 @@ function doAuth(request, log, cb, awsService, requestContexts) {
         return cb(null, res.params);
     }
     if (requestContexts) {
-        requestContexts.forEach((requestContext) => {
+        requestContexts.forEach(requestContext => {
             requestContext.setAuthType(res.params.data.authType);
-            requestContext.setSignatureVersion(
+            requestContext.setSignatureVersion(res.params
-                res.params.data.signatureVersion
+                .data.signatureVersion);
-            );
             requestContext.setSignatureAge(res.params.data.signatureAge);
             requestContext.setSecurityToken(res.params.data.securityToken);
         });
@@ -138,12 +136,8 @@ function doAuth(request, log, cb, awsService, requestContexts) {
         return vault.authenticateV2Request(res.params, requestContexts, cb);
     }
     if (res.params.version === 4) {
-        return vault.authenticateV4Request(
+        return vault.authenticateV4Request(res.params, requestContexts, cb,
-            res.params,
+            awsService);
-            requestContexts,
-            cb,
-            awsService
-        );
     }
 
     log.error('authentication method not found', {
@@ -166,22 +160,16 @@ function doAuth(request, log, cb, awsService, requestContexts) {
  *                                are temporary credentials from STS
  * @return {undefined}
  */
-function generateV4Headers(
+function generateV4Headers(request, data, accessKey, secretKeyValue,
-    request,
+                           awsService, proxyPath, sessionToken) {
-    data,
-    accessKey,
-    secretKeyValue,
-    awsService,
-    proxyPath,
-    sessionToken
-) {
     Object.assign(request, { headers: {} });
     const amzDate = convertUTCtoISO8601(Date.now());
     // get date without time
     const scopeDate = amzDate.slice(0, amzDate.indexOf('T'));
     const region = 'us-east-1';
     const service = awsService || 'iam';
-    const credentialScope = `${scopeDate}/${region}/${service}/aws4_request`;
+    const credentialScope =
+        `${scopeDate}/${region}/${service}/aws4_request`;
     const timestamp = amzDate;
     const algorithm = 'AWS4-HMAC-SHA256';
 
@@ -191,10 +179,8 @@ function generateV4Headers(
             encodeURIComponent,
         });
     }
-    const payloadChecksum = crypto
+    const payloadChecksum = crypto.createHash('sha256')
-        .createHash('sha256')
+        .update(payload, 'binary').digest('hex');
-        .update(payload, 'binary')
-        .digest('hex');
     request.setHeader('host', request._headers.host);
     request.setHeader('x-amz-date', amzDate);
     request.setHeader('x-amz-content-sha256', payloadChecksum);
@@ -205,49 +191,47 @@ function generateV4Headers(
 
     Object.assign(request.headers, request._headers);
     const signedHeaders = Object.keys(request._headers)
-        .filter(
+        .filter(headerName =>
-            (headerName) =>
+            headerName.startsWith('x-amz-')
-                headerName.startsWith('x-amz-') ||
+            || headerName.startsWith('x-scal-')
-                headerName.startsWith('x-scal-') ||
+            || headerName === 'host'
-                headerName === 'host'
+        ).sort().join(';');
-        )
+    const params = { request, signedHeaders, payloadChecksum,
-        .sort()
+        credentialScope, timestamp, query: data,
-        .join(';');
+        awsService: service, proxyPath };
-    const params = {
-        request,
-        signedHeaders,
-        payloadChecksum,
-        credentialScope,
-        timestamp,
-        query: data,
-        awsService: service,
-        proxyPath,
-    };
     const stringToSign = constructStringToSignV4(params);
-    const signingKey = vaultUtilities.calculateSigningKey(
+    const signingKey = vaultUtilities.calculateSigningKey(secretKeyValue,
-        secretKeyValue,
                                                           region,
                                                           scopeDate,
-        service
+                                                          service);
-    );
+    const signature = crypto.createHmac('sha256', signingKey)
-    const signature = crypto
+        .update(stringToSign, 'binary').digest('hex');
-        .createHmac('sha256', signingKey)
+    const authorizationHeader = `${algorithm} Credential=${accessKey}` +
-        .update(stringToSign, 'binary')
-        .digest('hex');
-    const authorizationHeader =
-        `${algorithm} Credential=${accessKey}` +
         `/${credentialScope}, SignedHeaders=${signedHeaders}, ` +
         `Signature=${signature}`;
     request.setHeader('authorization', authorizationHeader);
     Object.assign(request, { headers: {} });
 }
 
-export const server = { extractParams, doAuth };
+module.exports = {
-export const client = { generateV4Headers, constructStringToSignV2 };
+    setHandler: setAuthHandler,
-export const inMemory = {
+    server: {
+        extractParams,
+        doAuth,
+    },
+    client: {
+        generateV4Headers,
+        constructStringToSignV2,
+    },
+    inMemory: {
         backend: inMemoryBackend,
         validateAuthConfig,
         AuthLoader,
+    },
+    backends: {
+        baseBackend,
+        chainBackend,
+    },
+    AuthInfo,
+    Vault,
 };
-export const backends = { baseBackend, chainBackend };
-export { setAuthHandler as setHandler, AuthInfo, Vault };

lib/auth/backends/ChainBackend.js

@@ -1,8 +1,10 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line strict
-import async from 'async';
 
-import errors from '../../errors';
+const assert = require('assert');
-import BaseBackend from './base';
+const async = require('async');
+
+const errors = require('../../errors');
+const BaseBackend = require('./base');
 
 /**
  * Class that provides an authentication backend that will verify signatures
@@ -11,15 +13,13 @@ import BaseBackend from './base';
  *
  * @class ChainBackend
  */
-export default class ChainBackend extends BaseBackend {
+class ChainBackend extends BaseBackend {
-    _clients: any[];
-
     /**
      * @constructor
      * @param {string} service - service id
      * @param {object[]} clients - list of authentication backends or vault clients
      */
-    constructor(service: string, clients: any[]) {
+    constructor(service, clients) {
         super(service);
 
         assert(Array.isArray(clients) && clients.length > 0, 'invalid client list');
@@ -34,6 +34,7 @@ export default class ChainBackend extends BaseBackend {
         this._clients = clients;
     }
 
+
     /*
      * try task against each client for one to be successful
      */
@@ -73,8 +74,7 @@ export default class ChainBackend extends BaseBackend {
     static _mergeObjects(objectResponses) {
         return objectResponses.reduce(
             (retObj, resObj) => Object.assign(retObj, resObj.message.body),
-            {}
+            {});
-        );
     }
 
     getCanonicalIds(emailAddresses, options, callback) {
@@ -90,8 +90,7 @@ export default class ChainBackend extends BaseBackend {
                         body: ChainBackend._mergeObjects(res),
                     },
                 });
-            }
+            });
-        );
     }
 
     getEmailAddresses(canonicalIDs, options, callback) {
@@ -106,8 +105,7 @@ export default class ChainBackend extends BaseBackend {
                         body: ChainBackend._mergeObjects(res),
                     },
                 });
-            }
+            });
-        );
     }
 
     /*
@@ -130,7 +128,7 @@ export default class ChainBackend extends BaseBackend {
             });
         });
 
-        return Object.keys(policyMap).map((key) => {
+        return Object.keys(policyMap).map(key => {
             const policyRes = { isAllowed: policyMap[key].isAllowed };
             if (policyMap[key].arn !== '') {
                 policyRes.arn = policyMap[key].arn;
@@ -179,7 +177,7 @@ export default class ChainBackend extends BaseBackend {
                 return callback(err);
             }
 
-            const isError = res.some((results) => !!results.error);
+            const isError = res.some(results => !!results.error);
             if (isError) {
                 return callback(errors.InternalError, res);
             }
@@ -187,3 +185,5 @@ export default class ChainBackend extends BaseBackend {
         });
     }
 }
+
+module.exports = ChainBackend;

lib/auth/backends/base.js

@@ -1,13 +1,13 @@
-import errors from '../../errors';
+'use strict'; // eslint-disable-line strict
+
+const errors = require('../../errors');
 
 /**
  * Base backend class
  *
  * @class BaseBackend
  */
-export default class BaseBackend {
+class BaseBackend {
-    service
-    
     /**
      * @constructor
      * @param {string} service - service identifer for construction arn
@@ -82,3 +82,5 @@ export default class BaseBackend {
         return callback(null, { code: 200, message: 'OK' });
     }
 }
+
+module.exports = BaseBackend;

lib/auth/backends/in_memory/AuthLoader.js

@@ -1,9 +1,9 @@
-import * as fs from 'fs';
+const fs = require('fs');
-import glob from 'simple-glob';
+const glob = require('simple-glob');
-import joi from '@hapi/joi';
+const joi = require('@hapi/joi');
-import werelogs from 'werelogs';
+const werelogs = require('werelogs');
 
-import ARN from '../../../models/ARN';
+const ARN = require('../../../models/ARN');
 
 /**
  * Load authentication information from files or pre-loaded account
@@ -11,38 +11,27 @@ import ARN from '../../../models/ARN';
  *
  * @class AuthLoader
  */
-export default class AuthLoader {
+class AuthLoader {
-    _log
-    _authData
-    _isValid
-    _joiKeysValidator
-    _joiValidator
-
     constructor(logApi) {
         this._log = new (logApi || werelogs).Logger('S3');
         this._authData = { accounts: [] };
         // null: unknown validity, true/false: valid or invalid
         this._isValid = null;
 
-        this._joiKeysValidator = joi
+        this._joiKeysValidator = joi.array()
-            .array()
             .items({
                 access: joi.string().required(),
                 secret: joi.string().required(),
             })
             .required();
 
-        const accountsJoi = joi
+        const accountsJoi = joi.array()
-            .array()
                 .items({
                     name: joi.string().required(),
                     email: joi.string().email().required(),
                     arn: joi.string().required(),
                     canonicalID: joi.string().required(),
-                shortid: joi
+                    shortid: joi.string().regex(/^[0-9]{12}$/).required(),
-                    .string()
-                    .regex(/^[0-9]{12}$/)
-                    .required(),
                     keys: this._joiKeysValidator,
                     // backward-compat
                     users: joi.array(),
@@ -75,12 +64,11 @@ export default class AuthLoader {
      *   logging purpose
      * @return {undefined}
      */
-    addAccounts(authData, filePath: string) {
+    addAccounts(authData, filePath) {
         const isValid = this._validateData(authData, filePath);
         if (isValid) {
-            this._authData.accounts = this._authData.accounts.concat(
+            this._authData.accounts =
-                authData.accounts
+                this._authData.accounts.concat(authData.accounts);
-            );
             // defer validity checking when getting data to avoid
             // logging multiple times the errors (we need to validate
             // all accounts at once to detect duplicate values)
@@ -99,7 +87,7 @@ export default class AuthLoader {
      *   authentication info (see {@link addAccounts()} for format)
      * @return {undefined}
      */
-    addFile(filePath: string) {
+    addFile(filePath) {
         const authData = JSON.parse(fs.readFileSync(filePath));
         this.addAccounts(authData, filePath);
     }
@@ -115,9 +103,9 @@ export default class AuthLoader {
      *   {@link addAccounts()} for JSON format.
      * @return {undefined}
      */
-    addFilesByGlob(globPattern: string | string[]) {
+    addFilesByGlob(globPattern) {
         const files = glob(globPattern);
-        files.forEach((filePath) => this.addFile(filePath));
+        files.forEach(filePath => this.addFile(filePath));
     }
 
     /**
@@ -146,10 +134,9 @@ export default class AuthLoader {
         return this.validate() ? this._authData : null;
     }
 
-    _validateData(authData, filePath?: string) {
+    _validateData(authData, filePath) {
-        const res = joi.validate(authData, this._joiValidator, {
+        const res = joi.validate(authData, this._joiValidator,
-            abortEarly: false,
+                                 { abortEarly: false });
-        });
         if (res.error) {
             this._dumpJoiErrors(res.error.details, filePath);
             return false;
@@ -157,23 +144,19 @@ export default class AuthLoader {
         let allKeys = [];
         let arnError = false;
         const validatedAuth = res.value;
-        validatedAuth.accounts.forEach((account) => {
+        validatedAuth.accounts.forEach(account => {
             // backward-compat: ignore arn if starts with 'aws:' and log a
             // warning
             if (account.arn.startsWith('aws:')) {
                 this._log.error(
                     'account must have a valid AWS ARN, legacy examples ' +
-                        "starting with 'aws:' are not supported anymore. " +
+                        'starting with \'aws:\' are not supported anymore. ' +
                         'Please convert to a proper account entry (see ' +
                         'examples at https://github.com/scality/S3/blob/' +
                         'master/conf/authdata.json). Also note that support ' +
                         'for account users has been dropped.',
-                    {
+                    { accountName: account.name, accountArn: account.arn,
-                        accountName: account.name,
+                      filePath });
-                        accountArn: account.arn,
-                        filePath,
-                    }
-                );
                 arnError = true;
                 return;
             }
@@ -183,33 +166,27 @@ export default class AuthLoader {
                         'turning users into account entries (see examples at ' +
                         'https://github.com/scality/S3/blob/master/conf/' +
                         'authdata.json)',
-                    {
+                    { accountName: account.name, accountArn: account.arn,
-                        accountName: account.name,
+                      filePath });
-                        accountArn: account.arn,
-                        filePath,
-                    }
-                );
                 arnError = true;
                 return;
             }
             const arnObj = ARN.createFromString(account.arn);
             if (arnObj.error) {
-                this._log.error('authentication config validation error', {
+                this._log.error(
-                    reason: arnObj.error.description,
+                    'authentication config validation error',
-                    accountName: account.name,
+                    { reason: arnObj.error.description,
-                    accountArn: account.arn,
+                      accountName: account.name, accountArn: account.arn,
-                    filePath,
+                      filePath });
-                });
                 arnError = true;
                 return;
             }
             if (!arnObj.isIAMAccount()) {
-                this._log.error('authentication config validation error', {
+                this._log.error(
-                    reason: 'not an IAM account ARN',
+                    'authentication config validation error',
-                    accountName: account.name,
+                    { reason: 'not an IAM account ARN',
-                    accountArn: account.arn,
+                      accountName: account.name, accountArn: account.arn,
-                    filePath,
+                      filePath });
-                });
                 arnError = true;
                 return;
             }
@@ -219,9 +196,7 @@ export default class AuthLoader {
             return false;
         }
         const uniqueKeysRes = joi.validate(
-            allKeys,
+            allKeys, this._joiKeysValidator.unique('access'));
-            this._joiKeysValidator.unique('access')
-        );
         if (uniqueKeysRes.error) {
             this._dumpJoiErrors(uniqueKeysRes.error.details, filePath);
             return false;
@@ -230,7 +205,7 @@ export default class AuthLoader {
     }
 
     _dumpJoiErrors(errors, filePath) {
-        errors.forEach((err) => {
+        errors.forEach(err => {
             const logInfo = { item: err.path, filePath };
             if (err.type === 'array.unique') {
                 logInfo.reason = `duplicate value '${err.context.path}'`;
@@ -239,7 +214,10 @@ export default class AuthLoader {
                 logInfo.reason = err.message;
                 logInfo.context = err.context;
             }
-            this._log.error('authentication config validation error', logInfo);
+            this._log.error('authentication config validation error',
+                            logInfo);
         });
     }
 }
+
+module.exports = AuthLoader;

lib/auth/backends/in_memory/Backend.js

@@ -1,8 +1,12 @@
-import * as crypto from 'crypto';
+'use strict'; // eslint-disable-line strict
-import errors from '../../../errors';
+
-import { calculateSigningKey, hashSignature } from './vaultUtilities';
+const crypto = require('crypto');
-import Indexer from './Indexer';
+
-import BaseBackend from '../base';
+const errors = require('../../../errors');
+const calculateSigningKey = require('./vaultUtilities').calculateSigningKey;
+const hashSignature = require('./vaultUtilities').hashSignature;
+const Indexer = require('./Indexer');
+const BaseBackend = require('../base');
 
 function _formatResponse(userInfoToSend) {
     return {
@@ -19,9 +23,6 @@ function _formatResponse(userInfoToSend) {
  * @class InMemoryBackend
  */
 class InMemoryBackend extends BaseBackend {
-    indexer
-    formatResponse
-    
     /**
      * @constructor
      * @param {string} service - service identifer for construction arn
@@ -35,23 +36,15 @@ class InMemoryBackend extends BaseBackend {
         this.formatResponse = formatter;
     }
 
-    verifySignatureV2(
+    verifySignatureV2(stringToSign, signatureFromRequest,
-        stringToSign,
+        accessKey, options, callback) {
-        signatureFromRequest,
-        accessKey,
-        options,
-        callback
-    ) {
         const entity = this.indexer.getEntityByKey(accessKey);
         if (!entity) {
             return callback(errors.InvalidAccessKeyId);
         }
         const secretKey = this.indexer.getSecretKey(entity, accessKey);
-        const reconstructedSig = hashSignature(
+        const reconstructedSig =
-            stringToSign,
+            hashSignature(stringToSign, secretKey, options.algo);
-            secretKey,
-            options.algo
-        );
         if (signatureFromRequest !== reconstructedSig) {
             return callback(errors.SignatureDoesNotMatch);
         }
@@ -65,25 +58,16 @@ class InMemoryBackend extends BaseBackend {
         return callback(null, vaultReturnObject);
     }
 
-    verifySignatureV4(
+    verifySignatureV4(stringToSign, signatureFromRequest, accessKey,
-        stringToSign,
+        region, scopeDate, options, callback) {
-        signatureFromRequest,
-        accessKey,
-        region,
-        scopeDate,
-        options,
-        callback
-    ) {
         const entity = this.indexer.getEntityByKey(accessKey);
         if (!entity) {
             return callback(errors.InvalidAccessKeyId);
         }
         const secretKey = this.indexer.getSecretKey(entity, accessKey);
         const signingKey = calculateSigningKey(secretKey, region, scopeDate);
-        const reconstructedSig = crypto
+        const reconstructedSig = crypto.createHmac('sha256', signingKey)
-            .createHmac('sha256', signingKey)
+            .update(stringToSign, 'binary').digest('hex');
-            .update(stringToSign, 'binary')
-            .digest('hex');
         if (signatureFromRequest !== reconstructedSig) {
             return callback(errors.SignatureDoesNotMatch);
         }
@@ -99,13 +83,14 @@ class InMemoryBackend extends BaseBackend {
 
     getCanonicalIds(emails, log, cb) {
         const results = {};
-        emails.forEach((email) => {
+        emails.forEach(email => {
             const lowercasedEmail = email.toLowerCase();
             const entity = this.indexer.getEntityByEmail(lowercasedEmail);
             if (!entity) {
                 results[email] = 'NotFound';
             } else {
-                results[email] = entity.canonicalID;
+                results[email] =
+                    entity.canonicalID;
             }
         });
         const vaultReturnObject = {
@@ -118,7 +103,7 @@ class InMemoryBackend extends BaseBackend {
 
     getEmailAddresses(canonicalIDs, options, cb) {
         const results = {};
-        canonicalIDs.forEach((canonicalId) => {
+        canonicalIDs.forEach(canonicalId => {
             const foundEntity = this.indexer.getEntityByCanId(canonicalId);
             if (!foundEntity || !foundEntity.email) {
                 results[canonicalId] = 'NotFound';
@@ -146,7 +131,7 @@ class InMemoryBackend extends BaseBackend {
      */
     getAccountIds(canonicalIDs, options, cb) {
         const results = {};
-        canonicalIDs.forEach((canonicalID) => {
+        canonicalIDs.forEach(canonicalID => {
             const foundEntity = this.indexer.getEntityByCanId(canonicalID);
             if (!foundEntity || !foundEntity.shortid) {
                 results[canonicalID] = 'Not Found';
@@ -163,6 +148,7 @@ class InMemoryBackend extends BaseBackend {
     }
 }
 
+
 class S3AuthBackend extends InMemoryBackend {
     /**
      * @constructor

lib/auth/backends/in_memory/Indexer.js

@@ -6,7 +6,7 @@
  *
  * @class Indexer
  */
-export default class Indexer {
+class Indexer {
     /**
      * @constructor
      * @param {object} authdata - the authentication config file's data
@@ -141,3 +141,5 @@ export default class Indexer {
         return entity.accountDisplayName;
     }
 }
+
+module.exports = Indexer;

lib/auth/backends/in_memory/validateAuthConfig.js

@@ -1,4 +1,4 @@
-import AuthLoader from './AuthLoader';
+const AuthLoader = require('./AuthLoader');
 
 /**
  * @deprecated please use {@link AuthLoader} class instead
@@ -9,8 +9,10 @@ import AuthLoader from './AuthLoader';
  * @return {boolean} true on erroneous data
  *                   false on success
  */
-export default function validateAuthConfig(authdata, logApi) {
+function validateAuthConfig(authdata, logApi) {
     const authLoader = new AuthLoader(logApi);
     authLoader.addAccounts(authdata);
     return !authLoader.validate();
 }
+
+module.exports = validateAuthConfig;

lib/auth/backends/in_memory/vaultUtilities.js

@@ -1,4 +1,6 @@
-import * as crypto from 'crypto';
+'use strict'; // eslint-disable-line strict
+
+const crypto = require('crypto');
 
 /** hashSignature for v2 Auth
  * @param {string} stringToSign - built string to sign per AWS rules
@@ -6,11 +8,7 @@ import * as crypto from 'crypto';
  * @param {string} algorithm - either SHA256 or SHA1
  * @return {string} reconstructed signature
  */
-export function hashSignature(
+function hashSignature(stringToSign, secretKey, algorithm) {
-    stringToSign: string,
-    secretKey: string,
-    algorithm: 'SHA256' | 'SHA1'
-): string {
     const hmacObject = crypto.createHmac(algorithm, secretKey);
     return hmacObject.update(stringToSign, 'binary').digest('base64');
 }
@@ -22,12 +20,7 @@ export function hashSignature(
  * @param {string} [service] - To specify another service than s3
  * @return {string} signingKey - signingKey to calculate signature
  */
-export function calculateSigningKey(
+function calculateSigningKey(secretKey, region, scopeDate, service) {
-    secretKey: string,
-    region: string,
-    scopeDate: string,
-    service: string
-): string {
     const dateKey = crypto.createHmac('sha256', `AWS4${secretKey}`)
         .update(scopeDate, 'binary').digest();
     const dateRegionKey = crypto.createHmac('sha256', dateKey)
@@ -38,3 +31,5 @@ export function calculateSigningKey(
         .update('aws4_request', 'binary').digest();
     return signingKey;
 }
+
+module.exports = { hashSignature, calculateSigningKey };

lib/auth/v2/algoCheck.js

@@ -1,4 +1,6 @@
-export default function algoCheck(signatureLength) {
+'use strict'; // eslint-disable-line strict
+
+function algoCheck(signatureLength) {
     let algo;
     // If the signature sent is 44 characters,
     // this means that sha256 was used:
@@ -13,3 +15,5 @@ export default function algoCheck(signatureLength) {
     }
     return algo;
 }
+
+module.exports = algoCheck;

lib/auth/v2/authV2.js

@@ -1,3 +1,5 @@
+'use strict'; // eslint-disable-line strict
+
 const headerAuthCheck = require('./headerAuthCheck');
 const queryAuthCheck = require('./queryAuthCheck');
 

lib/auth/v2/checkRequestExpiry.js

@@ -1,9 +1,9 @@
 'use strict'; // eslint-disable-line strict
-import errors from '../../errors';
+const errors = require('../../errors');
 
 const epochTime = new Date('1970-01-01').getTime();
 
-export default function checkRequestExpiry(timestamp, log) {
+function checkRequestExpiry(timestamp, log) {
     // If timestamp is before epochTime, the request is invalid and return
     // errors.AccessDenied
     if (timestamp < epochTime) {
@@ -17,7 +17,7 @@ export default function checkRequestExpiry(timestamp, log) {
     log.trace('request timestamp', { requestTimestamp: timestamp });
     log.trace('current timestamp', { currentTimestamp: currentTime });
 
-    const fifteenMinutes = 15 * 60 * 1000;
+    const fifteenMinutes = (15 * 60 * 1000);
     if (currentTime - timestamp > fifteenMinutes) {
         log.trace('request timestamp is not within 15 minutes of current time');
         log.debug('request time too skewed', { timestamp });
@@ -32,3 +32,5 @@ export default function checkRequestExpiry(timestamp, log) {
 
     return undefined;
 }
+
+module.exports = checkRequestExpiry;

lib/auth/v2/constructStringToSign.js

@@ -1,8 +1,11 @@
-import utf8 from 'utf8';
+'use strict'; // eslint-disable-line strict
-import getCanonicalizedAmzHeaders from './getCanonicalizedAmzHeaders';
-import getCanonicalizedResource from './getCanonicalizedResource';
 
-export default function constructStringToSign(request, data, log, clientType?: any) {
+const utf8 = require('utf8');
+
+const getCanonicalizedAmzHeaders = require('./getCanonicalizedAmzHeaders');
+const getCanonicalizedResource = require('./getCanonicalizedResource');
+
+function constructStringToSign(request, data, log, clientType) {
     /*
     Build signature per AWS requirements:
     StringToSign = HTTP-Verb + '\n' +
@@ -20,11 +23,11 @@ export default function constructStringToSign(request, data, log, clientType?: a
 
     const contentMD5 = headers['content-md5'] ?
         headers['content-md5'] : query['Content-MD5'];
-    stringToSign += contentMD5 ? `${contentMD5}\n` : '\n';
+    stringToSign += (contentMD5 ? `${contentMD5}\n` : '\n');
 
     const contentType = headers['content-type'] ?
         headers['content-type'] : query['Content-Type'];
-    stringToSign += contentType ? `${contentType}\n` : '\n';
+    stringToSign += (contentType ? `${contentType}\n` : '\n');
 
     /*
     AWS docs are conflicting on whether to include x-amz-date header here
@@ -39,3 +42,5 @@ export default function constructStringToSign(request, data, log, clientType?: a
         + getCanonicalizedResource(request, clientType);
     return utf8.encode(stringToSign);
 }
+
+module.exports = constructStringToSign;

lib/auth/v2/getCanonicalizedAmzHeaders.js

@@ -1,4 +1,6 @@
-export default function getCanonicalizedAmzHeaders(headers, clientType) {
+'use strict'; // eslint-disable-line strict
+
+function getCanonicalizedAmzHeaders(headers, clientType) {
     /*
     Iterate through headers and pull any headers that are x-amz headers.
     Need to include 'x-amz-date' here even though AWS docs
@@ -41,3 +43,5 @@ export default function getCanonicalizedAmzHeaders(headers, clientType) {
         `${headerStr}${current[0]}:${current[1]}\n`,
         '');
 }
+
+module.exports = getCanonicalizedAmzHeaders;

lib/auth/v2/getCanonicalizedResource.js

@@ -1,4 +1,6 @@
-import * as url from 'url';
+'use strict'; // eslint-disable-line strict
+
+const url = require('url');
 
 const gcpSubresources = [
     'acl',
@@ -39,7 +41,7 @@ const awsSubresources = [
     'website',
 ];
 
-export default function getCanonicalizedResource(request, clientType) {
+function getCanonicalizedResource(request, clientType) {
     /*
     This variable is used to determine whether to insert
     a '?' or '&'.  Once a query parameter is added to the resourceString,
@@ -115,3 +117,5 @@ export default function getCanonicalizedResource(request, clientType) {
     }
     return resourceString;
 }
+
+module.exports = getCanonicalizedResource;

lib/auth/v2/headerAuthCheck.js

@@ -1,10 +1,12 @@
-import errors from '../../errors';
+'use strict'; // eslint-disable-line strict
-import * as constants from '../../constants';
-import constructStringToSign from './constructStringToSign';
-import checkRequestExpiry from './checkRequestExpiry';
-import algoCheck from './algoCheck';
 
-export function check(request, log, data) {
+const errors = require('../../errors');
+const constants = require('../../constants');
+const constructStringToSign = require('./constructStringToSign');
+const checkRequestExpiry = require('./checkRequestExpiry');
+const algoCheck = require('./algoCheck');
+
+function check(request, log, data) {
     log.trace('running header auth check');
     const headers = request.headers;
 
@@ -15,19 +17,15 @@ export function check(request, log, data) {
     }
 
     // Check to make sure timestamp is within 15 minutes of current time
-    let timestamp = headers['x-amz-date']
+    let timestamp = headers['x-amz-date'] ?
-        ? headers['x-amz-date']
+        headers['x-amz-date'] : headers.date;
-        : headers.date;
     timestamp = Date.parse(timestamp);
     if (!timestamp) {
-        log.debug('missing or invalid date header', {
+        log.debug('missing or invalid date header',
-            method: 'auth/v2/headerAuthCheck.check',
+        { method: 'auth/v2/headerAuthCheck.check' });
-        });
+        return { err: errors.AccessDenied.
-        return {
+          customizeDescription('Authentication requires a valid Date or ' +
-            err: errors.AccessDenied.customizeDescription(
+          'x-amz-date header') };
-                'Authentication requires a valid Date or ' + 'x-amz-date header'
-            ),
-        };
     }
 
     const err = checkRequestExpiry(timestamp, log);
@@ -48,10 +46,8 @@ export function check(request, log, data) {
         log.debug('invalid authorization header', { authInfo });
         return { err: errors.InvalidArgument };
     }
-    const accessKey =
+    const accessKey = semicolonIndex > 4 ?
-        semicolonIndex > 4
+        authInfo.substring(4, semicolonIndex).trim() : undefined;
-            ? authInfo.substring(4, semicolonIndex).trim()
-            : undefined;
     if (typeof accessKey !== 'string' || accessKey.length === 0) {
         log.trace('invalid authorization header', { authInfo });
         return { err: errors.MissingSecurityHeader };
@@ -84,3 +80,5 @@ export function check(request, log, data) {
         },
     };
 }
+
+module.exports = { check };

lib/auth/v2/queryAuthCheck.js

@@ -1,9 +1,11 @@
-import errors from '../../errors';
+'use strict'; // eslint-disable-line strict
-import * as constants from '../../constants';
-import algoCheck from './algoCheck';
-import constructStringToSign from './constructStringToSign';
 
-export function check(request, log, data) {
+const errors = require('../../errors');
+const constants = require('../../constants');
+const algoCheck = require('./algoCheck');
+const constructStringToSign = require('./constructStringToSign');
+
+function check(request, log, data) {
     log.trace('running query auth check');
     if (request.method === 'POST') {
         log.debug('query string auth not supported for post requests');
@@ -26,28 +28,26 @@ export function check(request, log, data) {
     */
     const expirationTime = parseInt(data.Expires, 10) * 1000;
     if (Number.isNaN(expirationTime)) {
-        log.debug('invalid expires parameter', { expires: data.Expires });
+        log.debug('invalid expires parameter',
+            { expires: data.Expires });
         return { err: errors.MissingSecurityHeader };
     }
 
     const currentTime = Date.now();
 
-    const preSignedURLExpiry =
+    const preSignedURLExpiry = process.env.PRE_SIGN_URL_EXPIRY
-        process.env.PRE_SIGN_URL_EXPIRY &&
+        && !Number.isNaN(process.env.PRE_SIGN_URL_EXPIRY)
-        !Number.isNaN(process.env.PRE_SIGN_URL_EXPIRY)
         ? Number.parseInt(process.env.PRE_SIGN_URL_EXPIRY, 10)
         : constants.defaultPreSignedURLExpiry * 1000;
 
     if (expirationTime > currentTime + preSignedURLExpiry) {
-        log.debug('expires parameter too far in future', {
+        log.debug('expires parameter too far in future',
-            expires: request.query.Expires,
+        { expires: request.query.Expires });
-        });
         return { err: errors.AccessDenied };
     }
     if (currentTime > expirationTime) {
-        log.debug('current time exceeds expires time', {
+        log.debug('current time exceeds expires time',
-            expires: request.query.Expires,
+        { expires: request.query.Expires });
-        });
         return { err: errors.RequestTimeTooSkewed };
     }
     const accessKey = data.AWSAccessKeyId;
@@ -82,3 +82,5 @@ export function check(request, log, data) {
         },
     };
 }
+
+module.exports = { check };

lib/auth/v4/awsURIencode.js

@@ -1,3 +1,5 @@
+'use strict'; // eslint-disable-line strict
+
 /*
 AWS's URI encoding rules:
 URI encode every byte. Uri-Encode() must enforce the following rules:
@@ -30,7 +32,7 @@ function _toHexUTF8(char) {
     return res;
 }
 
-export default function awsURIencode(input, encodeSlash?: any, noEncodeStar?: any) {
+function awsURIencode(input, encodeSlash, noEncodeStar) {
     const encSlash = encodeSlash === undefined ? true : encodeSlash;
     let encoded = '';
     /**
@@ -42,15 +44,11 @@ export default function awsURIencode(input, encodeSlash?: any, noEncodeStar?: an
     }
     for (let i = 0; i < input.length; i++) {
         let ch = input.charAt(i);
-        if (
+        if ((ch >= 'A' && ch <= 'Z') ||
-            (ch >= 'A' && ch <= 'Z') ||
             (ch >= 'a' && ch <= 'z') ||
             (ch >= '0' && ch <= '9') ||
-            ch === '_' ||
+            ch === '_' || ch === '-' ||
-            ch === '-' ||
+            ch === '~' || ch === '.') {
-            ch === '~' ||
-            ch === '.'
-        ) {
             encoded = encoded.concat(ch);
         } else if (ch === ' ') {
             encoded = encoded.concat('%20');
@@ -78,3 +76,5 @@ export default function awsURIencode(input, encodeSlash?: any, noEncodeStar?: an
     }
     return encoded;
 }
+
+module.exports = awsURIencode;

lib/auth/v4/constructStringToSign.js

@@ -1,22 +1,17 @@
-import * as crypto from 'crypto';
+'use strict'; // eslint-disable-line strict
-import createCanonicalRequest from './createCanonicalRequest';
+
+const crypto = require('crypto');
+
+const createCanonicalRequest = require('./createCanonicalRequest');
 
 /**
  * constructStringToSign - creates V4 stringToSign
  * @param {object} params - params object
  * @returns {string} - stringToSign
  */
-export default function constructStringToSign(params): string {
+function constructStringToSign(params) {
-    const {
+    const { request, signedHeaders, payloadChecksum, credentialScope, timestamp,
-        request,
+        query, log, proxyPath } = params;
-        signedHeaders,
-        payloadChecksum,
-        credentialScope,
-        timestamp,
-        query,
-        log,
-        proxyPath,
-    } = params;
     const path = proxyPath || request.path;
 
     const canonicalReqResult = createCanonicalRequest({
@@ -39,11 +34,11 @@ export default function constructStringToSign(params): string {
         log.debug('constructed canonicalRequest', { canonicalReqResult });
     }
     const sha256 = crypto.createHash('sha256');
-    const canonicalHex = sha256
+    const canonicalHex = sha256.update(canonicalReqResult, 'binary')
-        .update(canonicalReqResult, 'binary')
         .digest('hex');
-    const stringToSign =
+    const stringToSign = `AWS4-HMAC-SHA256\n${timestamp}\n` +
-        `AWS4-HMAC-SHA256\n${timestamp}\n` +
     `${credentialScope}\n${canonicalHex}`;
     return stringToSign;
 }
+
+module.exports = constructStringToSign;

lib/auth/v4/createCanonicalRequest.js

@@ -1,6 +1,8 @@
-import awsURIencode from './awsURIencode';
+'use strict'; // eslint-disable-line strict
-import * as crypto from 'crypto';
+
-import * as queryString from 'querystring';
+const awsURIencode = require('./awsURIencode');
+const crypto = require('crypto');
+const queryString = require('querystring');
 
 /**
  * createCanonicalRequest - creates V4 canonical request
@@ -10,7 +12,7 @@ import * as queryString from 'querystring';
  * payloadChecksum (from request)
  * @returns {string} - canonicalRequest
  */
-export default function createCanonicalRequest(params) {
+function createCanonicalRequest(params) {
     const pHttpVerb = params.pHttpVerb;
     const pResource = params.pResource;
     const pQuery = params.pQuery;
@@ -85,3 +87,5 @@ export default function createCanonicalRequest(params) {
         `${signedHeaders}\n${payloadChecksum}`;
     return canonicalRequest;
 }
+
+module.exports = createCanonicalRequest;

lib/auth/v4/headerAuthCheck.js

@@ -1,16 +1,16 @@
-import errors from '../../../lib/errors';
+'use strict'; // eslint-disable-line strict
-import * as constants from '../../constants';
+
-import constructStringToSign from './constructStringToSign';
+const errors = require('../../../lib/errors');
-import {
+const constants = require('../../constants');
-    checkTimeSkew,
+
-    convertUTCtoISO8601,
+const constructStringToSign = require('./constructStringToSign');
-    convertAmzTimeToMs,
+const checkTimeSkew = require('./timeUtils').checkTimeSkew;
-} from './timeUtils';
+const convertUTCtoISO8601 = require('./timeUtils').convertUTCtoISO8601;
-import {
+const convertAmzTimeToMs = require('./timeUtils').convertAmzTimeToMs;
-    extractAuthItems,
+const extractAuthItems = require('./validateInputs').extractAuthItems;
-    validateCredentials,
+const validateCredentials = require('./validateInputs').validateCredentials;
-    areSignedHeadersComplete,
+const areSignedHeadersComplete =
-} from './validateInputs';
+    require('./validateInputs').areSignedHeadersComplete;
 
 /**
  * V4 header auth check
@@ -21,7 +21,7 @@ import {
  * @param {string} awsService - Aws service ('iam' or 's3')
  * @return {callback} calls callback
  */
-export function check(request, log, data, awsService) {
+function check(request, log, data, awsService) {
     log.trace('running header auth check');
 
     const token = request.headers['x-amz-security-token'];
@@ -51,9 +51,8 @@ export function check(request, log, data, awsService) {
     if (payloadChecksum === 'STREAMING-AWS4-HMAC-SHA256-PAYLOAD') {
         log.trace('requesting streaming v4 auth');
         if (request.method !== 'PUT') {
-            log.debug('streaming v4 auth for put only', {
+            log.debug('streaming v4 auth for put only',
-                method: 'auth/v4/headerAuthCheck.check',
+                { method: 'auth/v4/headerAuthCheck.check' });
-            });
             return { err: errors.InvalidArgument };
         }
         if (!request.headers['x-amz-decoded-content-length']) {
@@ -78,12 +77,9 @@ export function check(request, log, data, awsService) {
     if (xAmzDate) {
         const xAmzDateArr = xAmzDate.split('T');
         // check that x-amz- date has the correct format and after epochTime
-        if (
+        if (xAmzDateArr.length === 2 && xAmzDateArr[0].length === 8
-            xAmzDateArr.length === 2 &&
+          && xAmzDateArr[1].length === 7
-            xAmzDateArr[0].length === 8 &&
+          && Number.parseInt(xAmzDateArr[0], 10) > 19700101) {
-            xAmzDateArr[1].length === 7 &&
-            Number.parseInt(xAmzDateArr[0], 10) > 19700101
-        ) {
             // format of x-amz- date is ISO 8601: YYYYMMDDTHHMMSSZ
             timestamp = request.headers['x-amz-date'];
         }
@@ -91,27 +87,18 @@ export function check(request, log, data, awsService) {
         timestamp = convertUTCtoISO8601(request.headers.date);
     }
     if (!timestamp) {
-        log.debug('missing or invalid date header', {
+        log.debug('missing or invalid date header',
-            method: 'auth/v4/headerAuthCheck.check',
+          { method: 'auth/v4/headerAuthCheck.check' });
-        });
+        return { err: errors.AccessDenied.
-        return {
+          customizeDescription('Authentication requires a valid Date or ' +
-            err: errors.AccessDenied.customizeDescription(
+          'x-amz-date header') };
-                'Authentication requires a valid Date or ' + 'x-amz-date header'
-            ),
-        };
     }
 
-    const validationResult = validateCredentials(
+    const validationResult = validateCredentials(credentialsArr, timestamp,
-        credentialsArr,
+      log);
-        timestamp,
-        log
-    );
     if (validationResult instanceof Error) {
-        log.debug('credentials in improper format', {
+        log.debug('credentials in improper format', { credentialsArr,
-            credentialsArr,
+            timestamp, validationResult });
-            timestamp,
-            validationResult,
-        });
         return { err: validationResult };
     }
     // credentialsArr is [accessKey, date, region, aws-service, aws4_request]
@@ -134,7 +121,7 @@ export function check(request, log, data, awsService) {
     // expiry is as set out in the policy.
 
     // 15 minutes in seconds
-    const expiry = 15 * 60;
+    const expiry = (15 * 60);
     const isTimeSkewed = checkTimeSkew(timestamp, expiry, log);
     if (isTimeSkewed) {
         return { err: errors.RequestTimeTooSkewed };
@@ -146,11 +133,8 @@ export function check(request, log, data, awsService) {
             proxyPath = decodeURIComponent(request.headers.proxy_path);
         } catch (err) {
             log.debug('invalid proxy_path header', { proxyPath, err });
-            return {
+            return { err: errors.InvalidArgument.customizeDescription(
-                err: errors.InvalidArgument.customizeDescription(
+              'invalid proxy_path header') };
-                    'invalid proxy_path header'
-                ),
-            };
         }
     }
 
@@ -170,6 +154,7 @@ export function check(request, log, data, awsService) {
         return { err: stringToSign };
     }
 
+
     return {
         err: null,
         params: {
@@ -193,3 +178,5 @@ export function check(request, log, data, awsService) {
         },
     };
 }
+
+module.exports = { check };

lib/auth/v4/queryAuthCheck.js

@@ -1,10 +1,15 @@
-import * as constants from '../../constants';
+'use strict'; // eslint-disable-line strict
-import errors from '../../errors';
 
-import constructStringToSign from './constructStringToSign';
+const constants = require('../../constants');
-import { checkTimeSkew, convertAmzTimeToMs } from './timeUtils';
+const errors = require('../../errors');
-import { validateCredentials, extractQueryParams } from './validateInputs';
+
-import { areSignedHeadersComplete } from './validateInputs';
+const constructStringToSign = require('./constructStringToSign');
+const checkTimeSkew = require('./timeUtils').checkTimeSkew;
+const convertAmzTimeToMs = require('./timeUtils').convertAmzTimeToMs;
+const validateCredentials = require('./validateInputs').validateCredentials;
+const extractQueryParams = require('./validateInputs').extractQueryParams;
+const areSignedHeadersComplete =
+    require('./validateInputs').areSignedHeadersComplete;
 
 /**
  * V4 query auth check
@@ -13,7 +18,7 @@ import { areSignedHeadersComplete } from './validateInputs';
  * @param {object} data - Contain authentification params (GET or POST data)
  * @return {callback} calls callback
  */
-export function check(request, log, data) {
+function check(request, log, data) {
     const authParams = extractQueryParams(data, log);
 
     if (Object.keys(authParams).length !== 5) {
@@ -39,13 +44,11 @@ export function check(request, log, data) {
         return { err: errors.AccessDenied };
     }
 
-    const validationResult = validateCredentials(credential, timestamp, log);
+    const validationResult = validateCredentials(credential, timestamp,
+      log);
     if (validationResult instanceof Error) {
-        log.debug('credentials in improper format', {
+        log.debug('credentials in improper format', { credential,
-            credential,
+            timestamp, validationResult });
-            timestamp,
-            validationResult,
-        });
         return { err: validationResult };
     }
     const accessKey = credential[0];
@@ -65,11 +68,8 @@ export function check(request, log, data) {
             proxyPath = decodeURIComponent(request.headers.proxy_path);
         } catch (err) {
             log.debug('invalid proxy_path header', { proxyPath });
-            return {
+            return { err: errors.InvalidArgument.customizeDescription(
-                err: errors.InvalidArgument.customizeDescription(
+              'invalid proxy_path header') };
-                    'invalid proxy_path header'
-                ),
-            };
         }
     }
 
@@ -95,7 +95,8 @@ export function check(request, log, data) {
         signedHeaders,
         payloadChecksum,
         timestamp,
-        credentialScope: `${scopeDate}/${region}/${service}/${requestType}`,
+        credentialScope:
+            `${scopeDate}/${region}/${service}/${requestType}`,
         awsService: service,
         proxyPath,
     });
@@ -121,3 +122,5 @@ export function check(request, log, data) {
         },
     };
 }
+
+module.exports = { check };

lib/auth/v4/streamingV4/V4Transform.js

@@ -1,31 +1,15 @@
-import { Transform } from 'stream';
+const { Transform } = require('stream');
-import async from 'async';
+
-import errors from '../../../errors';
+const async = require('async');
-import constructChunkStringToSign from './constructChunkStringToSign';
+const errors = require('../../../errors');
+
+const constructChunkStringToSign = require('./constructChunkStringToSign');
 
 /**
  * This class is designed to handle the chunks sent in a streaming
  * v4 Auth request
  */
-export default class V4Transform extends Transform {
+class V4Transform extends Transform {
-    log;
-    cb;
-    accessKey;
-    region;
-    scopeDate;
-    timestamp;
-    credentialScope;
-    lastSignature;
-    currentSignature;
-    haveMetadata;
-    seekingDataSize;
-    currentData;
-    dataCursor;
-    currentMetadata;
-    lastPieceDone;
-    lastChunk;
-    vault;
-
     /**
      * @constructor
      * @param {object} streamingV4Params - info for chunk authentication
@@ -44,14 +28,8 @@ export default class V4Transform extends Transform {
      * @param {function} cb - callback to api
      */
     constructor(streamingV4Params, vault, log, cb) {
-        const {
+        const { accessKey, signatureFromRequest, region, scopeDate, timestamp,
-            accessKey,
+            credentialScope } = streamingV4Params;
-            signatureFromRequest,
-            region,
-            scopeDate,
-            timestamp,
-            credentialScope,
-        } = streamingV4Params;
         super({});
         this.log = log;
         this.cb = cb;
@@ -101,30 +79,28 @@ export default class V4Transform extends Transform {
             this.currentMetadata.push(remainingPlusStoredMetadata);
             return { completeMetadata: false };
         }
-        let fullMetadata = remainingPlusStoredMetadata.slice(0, lineBreakIndex);
+        let fullMetadata = remainingPlusStoredMetadata.slice(0,
+            lineBreakIndex);
 
         // handle extra line break on end of data chunk
         if (fullMetadata.length === 0) {
-            const chunkWithoutLeadingLineBreak =
+            const chunkWithoutLeadingLineBreak = remainingPlusStoredMetadata
-                remainingPlusStoredMetadata.slice(2);
+                .slice(2);
             // find second line break
             lineBreakIndex = chunkWithoutLeadingLineBreak.indexOf('\r\n');
             if (lineBreakIndex < 0) {
                 this.currentMetadata.push(chunkWithoutLeadingLineBreak);
                 return { completeMetadata: false };
             }
-            fullMetadata = chunkWithoutLeadingLineBreak.slice(
+            fullMetadata = chunkWithoutLeadingLineBreak.slice(0,
-                0,
+                lineBreakIndex);
-                lineBreakIndex
-            );
         }
 
         const splitMeta = fullMetadata.toString().split(';');
         this.log.trace('parsed full metadata for chunk', { splitMeta });
         if (splitMeta.length !== 2) {
-            this.log.trace(
+            this.log.trace('chunk body did not contain correct ' +
-                'chunk body did not contain correct ' + 'metadata format'
+            'metadata format');
-            );
             return { err: errors.InvalidArgument };
         }
         let dataSize = splitMeta[0];
@@ -156,9 +132,8 @@ export default class V4Transform extends Transform {
             completeMetadata: true,
             // start slice at lineBreak plus 2 to remove line break at end of
             // metadata piece since length of '\r\n' is 2
-            unparsedChunk: remainingPlusStoredMetadata.slice(
+            unparsedChunk: remainingPlusStoredMetadata
-                lineBreakIndex + 2
+                .slice(lineBreakIndex + 2),
-            ),
         };
     }
 
@@ -171,13 +146,10 @@ export default class V4Transform extends Transform {
      */
     _authenticate(dataToSend, done) {
         // use prior sig to construct new string to sign
-        const stringToSign = constructChunkStringToSign(
+        const stringToSign = constructChunkStringToSign(this.timestamp,
-            this.timestamp,
+            this.credentialScope, this.lastSignature, dataToSend);
-            this.credentialScope,
+        this.log.trace('constructed chunk string to sign',
-            this.lastSignature,
+            { stringToSign });
-            dataToSend
-        );
-        this.log.trace('constructed chunk string to sign', { stringToSign });
         // once used prior sig to construct string to sign, reassign
         // lastSignature to current signature
         this.lastSignature = this.currentSignature;
@@ -193,18 +165,17 @@ export default class V4Transform extends Transform {
                 credentialScope: this.credentialScope,
             },
         };
-        return this.vault.authenticateV4Request(vaultParams, null, (err) => {
+        return this.vault.authenticateV4Request(vaultParams, null, err => {
             if (err) {
-                this.log.trace('err from vault on streaming v4 auth', {
+                this.log.trace('err from vault on streaming v4 auth',
-                    error: err,
+                    { error: err, paramsSentToVault: vaultParams.data });
-                    paramsSentToVault: vaultParams.data,
-                });
                 return done(err);
             }
             return done();
         });
     }
 
+
     /**
      * This function will parse the chunk into metadata and data,
      * use the metadata to authenticate with vault and send the
@@ -224,10 +195,9 @@ export default class V4Transform extends Transform {
 
         if (this.lastPieceDone) {
             const slice = chunk.slice(0, 10);
-            this.log.trace(
+            this.log.trace('received chunk after end.' +
-                'received chunk after end.' + 'See first 10 bytes of chunk',
+            'See first 10 bytes of chunk',
-                { chunk: slice.toString() }
+            { chunk: slice.toString() });
-            );
             return callback();
         }
         let unparsedChunk = chunk;
@@ -236,11 +206,10 @@ export default class V4Transform extends Transform {
             // test function
             () => chunkLeftToEvaluate,
             // async function
-            (done) => {
+            done => {
                 if (!this.haveMetadata) {
-                    this.log.trace(
+                    this.log.trace('do not have metadata so calling ' +
-                        'do not have metadata so calling ' + '_parseMetadata'
+                    '_parseMetadata');
-                    );
                     // need to parse our metadata
                     const parsedMetadataResults =
                         this._parseMetadata(unparsedChunk);
@@ -258,7 +227,7 @@ export default class V4Transform extends Transform {
                 }
                 if (this.lastChunk) {
                     this.log.trace('authenticating final chunk with no data');
-                    return this._authenticate(null, (err) => {
+                    return this._authenticate(null, err => {
                         if (err) {
                             return done(err);
                         }
@@ -277,18 +246,17 @@ export default class V4Transform extends Transform {
                 }
                 // parse just the next data piece without \r\n at the end
                 // (therefore, minus 2)
-                const nextDataPiece = unparsedChunk.slice(
+                const nextDataPiece =
-                    0,
+                    unparsedChunk.slice(0, this.seekingDataSize - 2);
-                    this.seekingDataSize - 2
-                );
                 // add parsed data piece to other currentData pieces
                 // so that this.currentData is the full data piece
                 nextDataPiece.copy(this.currentData, this.dataCursor);
-                return this._authenticate(this.currentData, (err) => {
+                return this._authenticate(this.currentData, err => {
                     if (err) {
                         return done(err);
                     }
-                    unparsedChunk = unparsedChunk.slice(this.seekingDataSize);
+                    unparsedChunk =
+                        unparsedChunk.slice(this.seekingDataSize);
                     this.push(this.currentData);
                     this.haveMetadata = false;
                     this.seekingDataSize = -1;
@@ -299,7 +267,7 @@ export default class V4Transform extends Transform {
                 });
             },
             // final callback
-            (err) => {
+            err => {
                 if (err) {
                     return this.cb(err);
                 }
@@ -309,3 +277,5 @@ export default class V4Transform extends Transform {
         );
     }
 }
+
+module.exports = V4Transform;

lib/auth/v4/streamingV4/constructChunkStringToSign.js

@@ -1,5 +1,6 @@
-import * as crypto from 'crypto';
+const crypto = require('crypto');
-import * as constants from '../../../constants';
+
+const constants = require('../../../constants');
 
 /**
  * Constructs stringToSign for chunk
@@ -12,12 +13,8 @@ import * as constants from '../../../constants';
  * @param {string} justDataChunk - data portion of chunk
  * @returns {string} stringToSign
  */
-export default function constructChunkStringToSign(
+function constructChunkStringToSign(timestamp,
-    timestamp: string,
+    credentialScope, lastSignature, justDataChunk) {
-    credentialScope: string,
-    lastSignature: string,
-    justDataChunk: string
-): string {
     let currentChunkHash;
     // for last chunk, there will be no data, so use emptyStringHash
     if (!justDataChunk) {
@@ -25,12 +22,11 @@ export default function constructChunkStringToSign(
     } else {
         currentChunkHash = crypto.createHash('sha256');
         currentChunkHash = currentChunkHash
-            .update(justDataChunk, 'binary')
+            .update(justDataChunk, 'binary').digest('hex');
-            .digest('hex');
     }
-    return (
+    return `AWS4-HMAC-SHA256-PAYLOAD\n${timestamp}\n` +
-        `AWS4-HMAC-SHA256-PAYLOAD\n${timestamp}\n` +
         `${credentialScope}\n${lastSignature}\n` +
-        `${constants.emptyStringHash}\n${currentChunkHash}`
+        `${constants.emptyStringHash}\n${currentChunkHash}`;
-    );
 }
+
+module.exports = constructChunkStringToSign;

lib/auth/v4/timeUtils.js

@@ -1,10 +1,12 @@
+'use strict'; // eslint-disable-line strict
+
 /**
  * Convert timestamp to milliseconds since Unix Epoch
  * @param  {string} timestamp of ISO8601Timestamp format without
  * dashes or colons, e.g. 20160202T220410Z
  * @return {number} number of milliseconds since Unix Epoch
  */
-export function convertAmzTimeToMs(timestamp) {
+function convertAmzTimeToMs(timestamp) {
     const arr = timestamp.split('');
     // Convert to YYYY-MM-DDTHH:mm:ss.sssZ
     const ISO8601time = `${arr.slice(0, 4).join('')}-${arr[4]}${arr[5]}` +
@@ -19,7 +21,7 @@ export function convertAmzTimeToMs(timestamp) {
  * @param  {string} timestamp of UTC form: Fri, 10 Feb 2012 21:34:55 GMT
  * @return {string} ISO8601 timestamp of form: YYYYMMDDTHHMMSSZ
  */
-export function convertUTCtoISO8601(timestamp) {
+function convertUTCtoISO8601(timestamp) {
     // convert to ISO string: YYYY-MM-DDTHH:mm:ss.sssZ.
     const converted = new Date(timestamp).toISOString();
     // Remove "-"s and "."s and milliseconds
@@ -34,7 +36,7 @@ export function convertUTCtoISO8601(timestamp) {
  * @param {object} log - log for request
  * @return {boolean} true if there is a time problem
  */
-export function checkTimeSkew(timestamp, expiry, log) {
+function checkTimeSkew(timestamp, expiry, log) {
     const currentTime = Date.now();
     const fifteenMinutes = (15 * 60 * 1000);
     const parsedTimestamp = convertAmzTimeToMs(timestamp);
@@ -54,3 +56,5 @@ export function checkTimeSkew(timestamp, expiry, log) {
     }
     return false;
 }
+
+module.exports = { convertAmzTimeToMs, convertUTCtoISO8601, checkTimeSkew };

lib/auth/v4/validateInputs.js

@@ -1,4 +1,6 @@
-import errors from '../../../lib/errors';
+'use strict'; // eslint-disable-line strict
+
+const errors = require('../../../lib/errors');
 
 /**
  * Validate Credentials
@@ -9,7 +11,7 @@ import errors from '../../../lib/errors';
  * @param {object} log - logging object
  * @return {boolean} true if credentials are correct format, false if not
  */
-export function validateCredentials(credentials, timestamp, log) {
+function validateCredentials(credentials, timestamp, log) {
     if (!Array.isArray(credentials) || credentials.length !== 5) {
         log.warn('credentials in improper format', { credentials });
         return errors.InvalidArgument;
@@ -35,27 +37,20 @@ export function validateCredentials(credentials, timestamp, log) {
      // convert timestamp to format of scopeDate YYYYMMDD
     const timestampDate = timestamp.split('T')[0];
     if (scopeDate.length !== 8 || scopeDate !== timestampDate) {
-        log.warn('scope date must be the same date as the timestamp date', {
+        log.warn('scope date must be the same date as the timestamp date',
-            scopeDate,
+           { scopeDate, timestampDate });
-            timestampDate,
-        });
         return errors.RequestTimeTooSkewed;
     }
-    if (
+    if (service !== 's3' && service !== 'iam' && service !== 'ring' &&
-        service !== 's3' &&
+        service !== 'sts') {
-        service !== 'iam' &&
-        service !== 'ring' &&
-        service !== 'sts'
-    ) {
         log.warn('service in credentials is not one of s3/iam/ring/sts', {
             service,
         });
         return errors.InvalidArgument;
     }
     if (requestType !== 'aws4_request') {
-        log.warn('requestType contained in params is not aws4_request', {
+        log.warn('requestType contained in params is not aws4_request',
-            requestType,
+           { requestType });
-        });
         return errors.InvalidArgument;
     }
     return {};
@@ -67,14 +62,13 @@ export function validateCredentials(credentials, timestamp, log) {
  * @param {object} log - logging object
  * @return {object} object containing extracted query params for authV4
  */
-export function extractQueryParams(queryObj, log) {
+function extractQueryParams(queryObj, log) {
     const authParams = {};
 
     // Do not need the algorithm sent back
     if (queryObj['X-Amz-Algorithm'] !== 'AWS4-HMAC-SHA256') {
-        log.warn('algorithm param incorrect', {
+        log.warn('algorithm param incorrect',
-            algo: queryObj['X-Amz-Algorithm'],
+        { algo: queryObj['X-Amz-Algorithm'] });
-        });
         return authParams;
     }
 
@@ -87,6 +81,7 @@ export function extractQueryParams(queryObj, log) {
         return authParams;
     }
 
+
     const signature = queryObj['X-Amz-Signature'];
     if (signature && signature.length === 64) {
         authParams.signatureFromRequest = signature;
@@ -99,15 +94,14 @@ export function extractQueryParams(queryObj, log) {
     if (timestamp && timestamp.length === 16) {
         authParams.timestamp = timestamp;
     } else {
-        log.warn('missing or invalid timestamp', {
+        log.warn('missing or invalid timestamp',
-            timestamp: queryObj['X-Amz-Date'],
+            { timestamp: queryObj['X-Amz-Date'] });
-        });
         return authParams;
     }
 
     const expiry = Number.parseInt(queryObj['X-Amz-Expires'], 10);
     const sevenDays = 604800;
-    if (expiry && expiry > 0 && expiry <= sevenDays) {
+    if (expiry && (expiry > 0 && expiry <= sevenDays)) {
         authParams.expiry = expiry;
     } else {
         log.warn('invalid expiry', { expiry });
@@ -124,15 +118,17 @@ export function extractQueryParams(queryObj, log) {
     return authParams;
 }
 
+
 /**
  * Extract and validate components from auth header
  * @param  {string} authHeader - authorization header from request
  * @param {object} log - logging object
  * @return {object} object containing extracted auth header items for authV4
  */
-export function extractAuthItems(authHeader, log) {
+function extractAuthItems(authHeader, log) {
     const authItems = {};
-    const authArray = authHeader.replace('AWS4-HMAC-SHA256 ', '').split(',');
+    const authArray = authHeader
+        .replace('AWS4-HMAC-SHA256 ', '').split(',');
 
     if (authArray.length < 3) {
         return authItems;
@@ -142,34 +138,25 @@ export function extractAuthItems(authHeader, log) {
     const signedHeadersStr = authArray[1];
     const signatureStr = authArray[2];
     log.trace('credentials from request', { credentialStr });
-    if (
+    if (credentialStr && credentialStr.trim().startsWith('Credential=')
-        credentialStr &&
+        && credentialStr.indexOf('/') > -1) {
-        credentialStr.trim().startsWith('Credential=') &&
-        credentialStr.indexOf('/') > -1
-    ) {
         authItems.credentialsArr = credentialStr
-            .trim()
+            .trim().replace('Credential=', '').split('/');
-            .replace('Credential=', '')
-            .split('/');
     } else {
         log.warn('missing credentials');
     }
     log.trace('signed headers from request', { signedHeadersStr });
-    if (
+    if (signedHeadersStr && signedHeadersStr.trim()
-        signedHeadersStr &&
+        .startsWith('SignedHeaders=')) {
-        signedHeadersStr.trim().startsWith('SignedHeaders=')
-    ) {
         authItems.signedHeaders = signedHeadersStr
-            .trim()
+            .trim().replace('SignedHeaders=', '');
-            .replace('SignedHeaders=', '');
     } else {
         log.warn('missing signed headers');
     }
     log.trace('signature from request', { signatureStr });
     if (signatureStr && signatureStr.trim().startsWith('Signature=')) {
         authItems.signatureFromRequest = signatureStr
-            .trim()
+            .trim().replace('Signature=', '');
-            .replace('Signature=', '');
     } else {
         log.warn('missing signature');
     }
@@ -183,20 +170,21 @@ export function extractAuthItems(authHeader, log) {
  * @param {object} allHeaders - request.headers
  * @return {boolean} true if all x-amz-headers included and false if not
  */
-export function areSignedHeadersComplete(signedHeaders, allHeaders) {
+function areSignedHeadersComplete(signedHeaders, allHeaders) {
     const signedHeadersList = signedHeaders.split(';');
     if (signedHeadersList.indexOf('host') === -1) {
         return false;
     }
     const headers = Object.keys(allHeaders);
     for (let i = 0; i < headers.length; i++) {
-        if (
+        if ((headers[i].startsWith('x-amz-')
-            (headers[i].startsWith('x-amz-') ||
+        || headers[i].startsWith('x-scal-'))
-                headers[i].startsWith('x-scal-')) &&
+        && signedHeadersList.indexOf(headers[i]) === -1) {
-            signedHeadersList.indexOf(headers[i]) === -1
-        ) {
             return false;
         }
     }
     return true;
 }
+
+module.exports = { validateCredentials, extractQueryParams,
+    areSignedHeadersComplete, extractAuthItems };

lib/db.js

@@ -1,4 +1,4 @@
-import { LevelDB } from 'level';
+'use strict'; // eslint-disable-line strict
 
 const writeOptions = { sync: true };
 
@@ -18,7 +18,7 @@ const writeOptions = { sync: true };
  * @param {String} message - the Error message.
  * @returns {Error} the Error object.
  */
-function propError(propName: string, message: string): Error {
+function propError(propName, message) {
     const err = new Error(message);
     err[propName] = true;
     return err;
@@ -27,7 +27,7 @@ function propError(propName: string, message: string): Error {
 /**
  * Running transaction with multiple updates to be committed atomically
  */
-export class IndexTransaction {
+class IndexTransaction {
     /**
      * Builds a new transaction
      *
@@ -36,7 +36,7 @@ export class IndexTransaction {
      *
      * @returns {IndexTransaction} a new empty transaction
      */
-    constructor(db: LevelDB) {
+    constructor(db) {
         this.operations = [];
         this.db = db;
         this.closed = false;
@@ -63,17 +63,13 @@ export class IndexTransaction {
      */
     push(op) {
         if (this.closed) {
-            throw propError(
+            throw propError('pushOnCommittedTransaction',
-                'pushOnCommittedTransaction',
+                            'can not add ops to already committed transaction');
-                'can not add ops to already committed transaction'
-            );
         }
 
         if (op.type !== 'put' && op.type !== 'del') {
-            throw propError(
+            throw propError('invalidTransactionVerb',
-                'invalidTransactionVerb',
+                            `unknown action type: ${op.type}`);
-                `unknown action type: ${op.type}`
-            );
         }
 
         if (op.key === undefined) {
@@ -140,22 +136,14 @@ export class IndexTransaction {
      */
     addCondition(condition) {
         if (this.closed) {
-            throw propError(
+            throw propError('pushOnCommittedTransaction',
-                'pushOnCommittedTransaction',
+                            'can not add conditions to already committed transaction');
-                'can not add conditions to already committed transaction'
-            );
         }
         if (condition === undefined || Object.keys(condition).length === 0) {
-            throw propError(
+            throw propError('missingCondition', 'missing condition for conditional put');
-                'missingCondition',
-                'missing condition for conditional put'
-            );
         }
-        if (typeof condition.notExists !== 'string') {
+        if (typeof (condition.notExists) !== 'string') {
-            throw propError(
+            throw propError('unsupportedConditionalOperation', 'missing key or supported condition');
-                'unsupportedConditionalOperation',
-                'missing key or supported condition'
-            );
         }
         this.conditions.push(condition);
     }
@@ -170,21 +158,13 @@ export class IndexTransaction {
      */
     commit(cb) {
         if (this.closed) {
-            return cb(
+            return cb(propError('alreadyCommitted',
-                propError(
+                                'transaction was already committed'));
-                    'alreadyCommitted',
-                    'transaction was already committed'
-                )
-            );
         }
 
         if (this.operations.length === 0) {
-            return cb(
+            return cb(propError('emptyTransaction',
-                propError(
+                                'tried to commit an empty transaction'));
-                    'emptyTransaction',
-                    'tried to commit an empty transaction'
-                )
-            );
         }
 
         this.closed = true;
@@ -196,3 +176,7 @@ export class IndexTransaction {
         return this.db.batch(this.operations, writeOptions, cb);
     }
 }
+
+module.exports = {
+    IndexTransaction,
+};

lib/errorUtils.js

@@ -1,4 +1,4 @@
-export function reshapeExceptionError(error) {
+function reshapeExceptionError(error) {
     const { message, code, stack, name } = error;
     return {
         message,
@@ -7,3 +7,7 @@ export function reshapeExceptionError(error) {
         name,
     };
 }
+
+module.exports = {
+    reshapeExceptionError,
+};

lib/errors.js

@@ -1,14 +1,11 @@
-import errorsObj from '../errors/arsenalErrors.json';
+'use strict'; // eslint-disable-line strict
 
 /**
  * ArsenalError
  *
  * @extends {Error}
  */
-export class ArsenalError extends Error {
+class ArsenalError extends Error {
-    code: number
-    description: string
-
     /**
      * constructor.
      *
@@ -16,7 +13,7 @@ export class ArsenalError extends Error {
      * @param {number} code - HTTP status code
      * @param {string} desc - Verbose description of error
      */
-    constructor(type: string, code: number, desc: string) {
+    constructor(type, code, desc) {
         super(type);
 
         /**
@@ -68,12 +65,23 @@ export class ArsenalError extends Error {
     }
 }
 
-const errors: { [key: string]: ArsenalError } = {};
+/**
-Object.keys(errorsObj)
+ * Generate an Errors instances object.
-    .filter((index) => index !== '_comment')
+ *
-    .forEach((index) => {
+ * @returns {Object.<string, ArsenalError>} - object field by arsenalError
-        const { code, description } = errorsObj[index];
+ *                                            instances
-        errors[index] = new ArsenalError(index, code, description);
+ */
-    });
+function errorsGen() {
+    const errors = {};
+    const errorsObj = require('../errors/arsenalErrors.json');
 
-export default errors;
+    Object.keys(errorsObj)
+          .filter(index => index !== '_comment')
+          .forEach(index => {
+              errors[index] = new ArsenalError(index, errorsObj[index].code,
+                                               errorsObj[index].description);
+          });
+    return errors;
+}
+
+module.exports = errorsGen();

lib/https/ciphers.js

@@ -1,4 +1,6 @@
-export const ciphers = [
+'use strict'; // eslint-disable-line strict
+
+const ciphers = [
     'DHE-RSA-AES128-GCM-SHA256',
     'ECDHE-ECDSA-AES128-GCM-SHA256',
     'ECDHE-RSA-AES256-GCM-SHA384',
@@ -26,3 +28,7 @@ export const ciphers = [
     '!EDH-RSA-DES-CBC3-SHA',
     '!KRB5-DES-CBC3-SHA',
 ].join(':');
+
+module.exports = {
+    ciphers,
+};

lib/https/dh2048.js

@@ -29,11 +29,16 @@ c2CNfUEqyRbJF4pE9ZcdQReT5p/llmyhQdvq6cHH+cKJk63C6DHRVoStsnsUcvKe
 bLxKsygK77ttjr61cxLoDJeGd5L5h1CPmwIBAg==
 -----END DH PARAMETERS-----
  */
+'use strict'; // eslint-disable-line strict
 
-export const dhparam =
+const dhparam =
     'MIIBCAKCAQEAh99T77KGNuiY9N6xrCJ3QNv4SFADTa3CD+1VMTAdRJLHUNpglB+i' +
     'AoTYiLDFZgtTCpx0ZZUD+JM3qiCZy0OK5/ZGlVD7sZmxjRtdpVK4qIPtwav8t0J7' +
     'c2CNfUEqyRbJF4pE9ZcdQReT5p/llmyhQdvq6cHH+cKJk63C6DHRVoStsnsUcvKe' +
     '23PLGZulKg8H3eRBxHamHkmyuEVDtoNhMIoJONsdXSpo5GgcD4EQMM8xb/qsnCxn' +
     '6QIGTBvcHskxtlTZOfUPk4XQ6Yb3tQi2TurzkQHLln4U7p/GZs+D+6D3SgSPqr6P' +
     'bLxKsygK77ttjr61cxLoDJeGd5L5h1CPmwIBAg==';
+
+module.exports = {
+    dhparam,
+};

lib/https/index.ts

@@ -1,2 +0,0 @@
-export * as ciphers from './ciphers'
-export * as dhparam from './dh2048'

lib/ipCheck.js

@@ -1,4 +1,6 @@
-import ipaddr from 'ipaddr.js';
+'use strict'; // eslint-disable-line strict
+
+const ipaddr = require('ipaddr.js');
 
 /**
  * checkIPinRangeOrMatch checks whether a given ip address is in an ip address
@@ -7,7 +9,7 @@ import ipaddr from 'ipaddr.js';
  * @param {object} ip - parsed ip address
  * @return {boolean} true if in range, false if not
  */
-export function checkIPinRangeOrMatch(cidr, ip) {
+function checkIPinRangeOrMatch(cidr, ip) {
     // If there is an exact match of the ip address, no need to check ranges
     if (ip.toString() === cidr) {
         return true;
@@ -37,7 +39,7 @@ export function checkIPinRangeOrMatch(cidr, ip) {
 * @param {string} ip - IPV4/IPV6/IPV4-mapped IPV6 address
 * @return {object} parsedIp - Object representation of parsed IP
 */
-export function parseIp(ip) {
+function parseIp(ip) {
     if (ipaddr.IPv4.isValid(ip)) {
         return ipaddr.parse(ip);
     }
@@ -58,7 +60,7 @@ export function parseIp(ip) {
 * @param {string} ip - IP address
 * @return {boolean} - true if there is match or false for no match
 */
-export function ipMatchCidrList(cidrList, ip) {
+function ipMatchCidrList(cidrList, ip) {
     const parsedIp = parseIp(ip);
     return cidrList.some(item => {
         let cidr;
@@ -73,3 +75,9 @@ export function ipMatchCidrList(cidrList, ip) {
         return checkIPinRangeOrMatch(cidr || item, parsedIp);
     });
 }
+
+module.exports = {
+    checkIPinRangeOrMatch,
+    ipMatchCidrList,
+    parseIp,
+};

lib/jsutil.js

@@ -1,5 +1,6 @@
-import { debuglog } from 'util';
+'use strict'; // eslint-disable-line
-const debug = debuglog('jsutil');
+
+const debug = require('util').debuglog('jsutil');
 
 // JavaScript utility functions
 
@@ -16,7 +17,7 @@ const debug = debuglog('jsutil');
  * @return {function} a callable wrapper mirroring <tt>func</tt> but
  * only calls <tt>func</tt> at first invocation.
  */
-export function once(func) {
+module.exports.once = function once(func) {
     const state = { called: false, res: undefined };
     return function wrapper(...args) {
         if (!state.called) {

lib/metrics/RedisClient.js

@@ -1,8 +1,6 @@
-import Redis from 'ioredis';
+const Redis = require('ioredis');
-
-export default class RedisClient {
-    _client: Redis
 
+class RedisClient {
     /**
     * @constructor
     * @param {Object} config - config
@@ -13,7 +11,7 @@ export default class RedisClient {
     */
     constructor(config, logger) {
         this._client = new Redis(config);
-        this._client.on('error', (err) =>
+        this._client.on('error', err =>
             logger.trace('error from redis', {
                 error: err,
                 method: 'RedisClient.constructor',
@@ -31,12 +29,12 @@ export default class RedisClient {
     * @param {callback} cb - callback (error, result)
     * @return {undefined}
     */
-    scan(pattern: string, count = 10, cb) {
+    scan(pattern, count = 10, cb) {
         const params = { match: pattern, count };
         const keys = [];
 
         const stream = this._client.scanStream(params);
-        stream.on('data', (resultKeys) => {
+        stream.on('data', resultKeys => {
             for (let i = 0; i < resultKeys.length; i++) {
                 keys.push(resultKeys[i]);
             }
@@ -53,12 +51,9 @@ export default class RedisClient {
     * @param {callback} cb - callback
     * @return {undefined}
     */
-    incrEx(key: string, expiry: number, cb) {
+    incrEx(key, expiry, cb) {
         return this._client
-            .multi([
+            .multi([['incr', key], ['expire', key, expiry]])
-                ['incr', key],
-                ['expire', key, expiry],
-            ])
             .exec(cb);
     }
 
@@ -69,7 +64,7 @@ export default class RedisClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    incrby(key: string, amount: number, cb) {
+    incrby(key, amount, cb) {
         return this._client.incrby(key, amount, cb);
     }
 
@@ -81,12 +76,9 @@ export default class RedisClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    incrbyEx(key: string, amount: number, expiry: number, cb) {
+    incrbyEx(key, amount, expiry, cb) {
         return this._client
-            .multi([
+            .multi([['incrby', key, amount], ['expire', key, expiry]])
-                ['incrby', key, amount],
-                ['expire', key, expiry],
-            ])
             .exec(cb);
     }
 
@@ -97,7 +89,7 @@ export default class RedisClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    decrby(key: string, amount: number, cb) {
+    decrby(key, amount, cb) {
         return this._client.decrby(key, amount, cb);
     }
 
@@ -107,7 +99,7 @@ export default class RedisClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    get(key: string, cb) {
+    get(key, cb) {
         return this._client.get(key, cb);
     }
 
@@ -119,7 +111,7 @@ export default class RedisClient {
      *   If cb response returns 1, key exists.
      * @return {undefined}
      */
-    exists(key: string, cb) {
+    exists(key, cb) {
         return this._client.exists(key, cb);
     }
 
@@ -129,7 +121,7 @@ export default class RedisClient {
     * @param {callback} cb - callback
     * @return {undefined}
     */
-    batch(cmds: string[], cb) {
+    batch(cmds, cb) {
         return this._client.pipeline(cmds).exec(cb);
     }
 
@@ -142,7 +134,7 @@ export default class RedisClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    zadd(key: string, score: number, value: string, cb) {
+    zadd(key, score, value, cb) {
         return this._client.zadd(key, score, value, cb);
     }
 
@@ -155,7 +147,7 @@ export default class RedisClient {
      * @param {function} cb - callback
      * @return {undefined}
      */
-    zcard(key: string, cb) {
+    zcard(key, cb) {
         return this._client.zcard(key, cb);
     }
 
@@ -169,7 +161,7 @@ export default class RedisClient {
      * @param {function} cb - callback
      * @return {undefined}
      */
-    zscore(key: string, value: string, cb) {
+    zscore(key, value, cb) {
         return this._client.zscore(key, value, cb);
     }
 
@@ -182,7 +174,7 @@ export default class RedisClient {
      *   The cb response returns number of values removed
      * @return {undefined}
      */
-    zrem(key: string, value: string | any[], cb) {
+    zrem(key, value, cb) {
         return this._client.zrem(key, value, cb);
     }
 
@@ -194,7 +186,7 @@ export default class RedisClient {
      * @param {function} cb - callback
      * @return {undefined}
      */
-    zrange(key: string, start: number, end: number, cb) {
+    zrange(key, start, end, cb) {
         return this._client.zrange(key, start, end, cb);
     }
 
@@ -208,7 +200,7 @@ export default class RedisClient {
      * @param {function} cb - callback
      * @return {undefined}
      */
-    zrangebyscore(key: string, min: number | string, max: number | string, cb) {
+    zrangebyscore(key, min, max, cb) {
         return this._client.zrangebyscore(key, min, max, cb);
     }
 
@@ -218,7 +210,7 @@ export default class RedisClient {
      * @param {function} cb - callback
      * @return {undefined}
      */
-    ttl(key: string, cb) {
+    ttl(key, cb) {
         return this._client.ttl(key, cb);
     }
 
@@ -234,3 +226,5 @@ export default class RedisClient {
         return this._client.client('list', cb);
     }
 }
+
+module.exports = RedisClient;

lib/metrics/StatsClient.js

@@ -1,18 +1,13 @@
-import async from 'async';
+const async = require('async');
-import RedisClient from './RedisClient';
-
-export default class StatsClient {
-    _redis?: RedisClient;
-    _interval: number;
-    _expiry: number;
 
+class StatsClient {
     /**
     * @constructor
     * @param {object} redisClient - RedisClient instance
     * @param {number} interval - sampling interval by seconds
     * @param {number} expiry - sampling duration by seconds
     */
-    constructor(redisClient: RedisClient, interval: number, expiry: number) {
+    constructor(redisClient, interval, expiry) {
         this._redis = redisClient;
         this._interval = interval;
         this._expiry = expiry;
@@ -29,9 +24,9 @@ export default class StatsClient {
     * @param {object} d - Date instance
     * @return {number} timestamp - normalized to the nearest interval
     */
-    _normalizeTimestamp(d: Date): number {
+    _normalizeTimestamp(d) {
         const s = d.getSeconds();
-        return d.setSeconds(s - (s % this._interval), 0);
+        return d.setSeconds(s - s % this._interval, 0);
     }
 
     /**
@@ -39,7 +34,7 @@ export default class StatsClient {
     * @param {object} d - Date instance
     * @return {number} timestamp - set to the previous interval
     */
-    _setPrevInterval(d: Date): number {
+    _setPrevInterval(d) {
         return d.setSeconds(d.getSeconds() - this._interval);
     }
 
@@ -49,7 +44,7 @@ export default class StatsClient {
     * @param {Date} date - Date instance
     * @return {string} key - key for redis
     */
-    buildKey(name: string, date: Date): string {
+    buildKey(name, date) {
         return `${name}:${this._normalizeTimestamp(date)}`;
     }
 
@@ -59,7 +54,7 @@ export default class StatsClient {
     * @param {array} arr - Date instance
     * @return {string} key - key for redis
     */
-    _getCount(arr: any[]): string {
+    _getCount(arr) {
         return arr.reduce((prev, a) => {
             let num = parseInt(a[1], 10);
             num = Number.isNaN(num) ? 0 : num;
@@ -74,7 +69,7 @@ export default class StatsClient {
     * @param {function} cb - callback
     * @return {undefined}
     */
-    reportNewRequest(id: string, incr: number, cb) {
+    reportNewRequest(id, incr, cb) {
         if (!this._redis) {
             return undefined;
         }
@@ -86,8 +81,8 @@ export default class StatsClient {
             callback = incr;
             amount = 1;
         } else {
-            callback = cb && typeof cb === 'function' ? cb : this._noop;
+            callback = (cb && typeof cb === 'function') ? cb : this._noop;
-            amount = typeof incr === 'number' ? incr : 1;
+            amount = (typeof incr === 'number') ? incr : 1;
         }
 
         const key = this.buildKey(`${id}:requests`, new Date());
@@ -102,7 +97,7 @@ export default class StatsClient {
      * @param {function} [cb] - callback
      * @return {undefined}
      */
-    incrementKey(key: string, incr: number, cb) {
+    incrementKey(key, incr, cb) {
         const callback = cb || this._noop;
         return this._redis.incrby(key, incr, callback);
     }
@@ -114,7 +109,7 @@ export default class StatsClient {
      * @param {function} [cb] - callback
      * @return {undefined}
      */
-    decrementKey(key: string, decr: number, cb) {
+    decrementKey(key, decr, cb) {
         const callback = cb || this._noop;
         return this._redis.decrby(key, decr, callback);
     }
@@ -125,7 +120,7 @@ export default class StatsClient {
     * @param {callback} cb - callback
     * @return {undefined}
     */
-    report500(id: string, cb) {
+    report500(id, cb) {
         if (!this._redis) {
             return undefined;
         }
@@ -141,24 +136,21 @@ export default class StatsClient {
     * @param {callback} cb - callback to call with the err/result
     * @return {undefined}
     */
-    getAllStats(log, ids: any[], cb) {
+    getAllStats(log, ids, cb) {
         if (!this._redis) {
             return cb(null, {});
         }
 
         const statsRes = {
-            requests: 0,
+            'requests': 0,
             '500s': 0,
-            sampleDuration: this._expiry,
+            'sampleDuration': this._expiry,
         };
         let requests = 0;
         let errors = 0;
 
         // for now set concurrency to default of 10
-        return async.eachLimit(
+        return async.eachLimit(ids, 10, (id, done) => {
-            ids,
-            10,
-            (id, done) => {
             this.getStats(log, id, (err, res) => {
                 if (err) {
                     return done(err);
@@ -167,8 +159,7 @@ export default class StatsClient {
                 errors += res['500s'];
                 return done();
             });
-            },
+        }, error => {
-            (error) => {
             if (error) {
                 log.error('error getting stats', {
                     error,
@@ -179,8 +170,7 @@ export default class StatsClient {
             statsRes.requests = requests;
             statsRes['500s'] = errors;
             return cb(null, statsRes);
-            }
+        });
-        );
     }
 
     /**
@@ -190,7 +180,7 @@ export default class StatsClient {
     * @param {callback} cb - callback to call with the err/result
     * @return {undefined}
     */
-    getStats(log, id: string, cb) {
+    getStats(log, id, cb) {
         if (!this._redis) {
             return cb(null, {});
         }
@@ -215,9 +205,9 @@ export default class StatsClient {
             * index 1 contains the result
             */
             const statsRes = {
-                requests: 0,
+                'requests': 0,
                 '500s': 0,
-                sampleDuration: this._expiry,
+                'sampleDuration': this._expiry,
             };
             if (err) {
                 log.error('error getting stats', {
@@ -237,3 +227,5 @@ export default class StatsClient {
         });
     }
 }
+
+module.exports = StatsClient;

lib/metrics/StatsModel.js

@@ -1,5 +1,6 @@
-import async from 'async';
+const async = require('async');
-import StatsClient from './StatsClient';
+
+const StatsClient = require('./StatsClient');
 
 /**
  * @class StatsModel
@@ -7,16 +8,17 @@ import StatsClient from './StatsClient';
  * @classdesc Extend and overwrite how timestamps are normalized by minutes
  * rather than by seconds
  */
-export default class StatsModel extends StatsClient {
+class StatsModel extends StatsClient {
+
     /**
     * Utility method to convert 2d array rows to columns, and vice versa
     * See also: https://docs.ruby-lang.org/en/2.0.0/Array.html#method-i-zip
     * @param {array} arrays - 2d array of integers
     * @return {array} converted array
     */
-    _zip(arrays: number[][]) {
+    _zip(arrays) {
-        if (arrays.length > 0 && arrays.every((a) => Array.isArray(a))) {
+        if (arrays.length > 0 && arrays.every(a => Array.isArray(a))) {
-            return arrays[0].map((_, i) => arrays.map((a) => a[i]));
+            return arrays[0].map((_, i) => arrays.map(a => a[i]));
         }
         return [];
     }
@@ -26,9 +28,9 @@ export default class StatsModel extends StatsClient {
     * @param {object} d - Date instance
     * @return {number} timestamp - normalized to the nearest interval
     */
-    _normalizeTimestamp(d: Date) {
+    _normalizeTimestamp(d) {
         const m = d.getMinutes();
-        return d.setMinutes(m - (m % Math.floor(this._interval / 60)), 0, 0);
+        return d.setMinutes(m - m % (Math.floor(this._interval / 60)), 0, 0);
     }
 
     /**
@@ -63,16 +65,16 @@ export default class StatsModel extends StatsClient {
     * @param {callback} cb - callback to call with the err/result
     * @return {undefined}
     */
-    getAllStats(log, ids: string[], cb) {
+    getAllStats(log, ids, cb) {
         if (!this._redis) {
             return cb(null, {});
         }
 
         const size = Math.floor(this._expiry / this._interval);
         const statsRes = {
-            requests: Array(size).fill(0),
+            'requests': Array(size).fill(0),
             '500s': Array(size).fill(0),
-            sampleDuration: this._expiry,
+            'sampleDuration': this._expiry,
         };
         const requests = [];
         const errors = [];
@@ -116,9 +118,9 @@ export default class StatsModel extends StatsClient {
      * @param {function} cb - Callback
      * @return {undefined}
      */
-    getAllGlobalStats(ids: string[], log, cb) {
+    getAllGlobalStats(ids, log, cb) {
-        const reqsKeys = ids.map((key) => ['get', key]);
+        const reqsKeys = ids.map(key => (['get', key]));
-        return this._redis!.batch(reqsKeys, (err, res) => {
+        return this._redis.batch(reqsKeys, (err, res) => {
             const statsRes = { requests: 0 };
             if (err) {
                 log.error('error getting metrics', {
@@ -147,7 +149,7 @@ export default class StatsModel extends StatsClient {
      * @param {Date} d - Date instance
      * @return {number} timestamp - normalized to the nearest hour
      */
-    normalizeTimestampByHour(d: Date) {
+    normalizeTimestampByHour(d) {
         return d.setMinutes(0, 0, 0);
     }
 
@@ -156,7 +158,7 @@ export default class StatsModel extends StatsClient {
      * @param {Date} d - Date instance
      * @return {number} timestamp - one hour prior to date passed
      */
-    _getDatePreviousHour(d: Date) {
+    _getDatePreviousHour(d) {
         return d.setHours(d.getHours() - 1);
     }
 
@@ -165,8 +167,8 @@ export default class StatsModel extends StatsClient {
      * @param {number} epoch - epoch time
      * @return {array} array of sorted set key timestamps
      */
-    getSortedSetHours(epoch: number) {
+    getSortedSetHours(epoch) {
-        const timestamps: number[] = [];
+        const timestamps = [];
         let date = this.normalizeTimestampByHour(new Date(epoch));
         while (timestamps.length < 24) {
             timestamps.push(date);
@@ -180,7 +182,7 @@ export default class StatsModel extends StatsClient {
      * @param {number} epoch - epoch time
      * @return {string} normalized hour timestamp for given time
      */
-    getSortedSetCurrentHour(epoch: number) {
+    getSortedSetCurrentHour(epoch) {
         return this.normalizeTimestampByHour(new Date(epoch));
     }
 
@@ -192,8 +194,8 @@ export default class StatsModel extends StatsClient {
      * @param {callback} cb - callback
      * @return {undefined}
      */
-    addToSortedSet(key: string, score: number, value: string, cb) {
+    addToSortedSet(key, score, value, cb) {
-        this._redis!.exists(key, (err, resCode) => {
+        this._redis.exists(key, (err, resCode) => {
             if (err) {
                 return cb(err);
             }
@@ -202,7 +204,8 @@ export default class StatsModel extends StatsClient {
                 const msInADay = 24 * 60 * 60 * 1000;
                 const nearestHour = this.normalizeTimestampByHour(new Date());
                 // in seconds
-                const ttl = Math.ceil((msInADay - (Date.now() - nearestHour)) / 1000);
+                const ttl = Math.ceil(
+                    (msInADay - (Date.now() - nearestHour)) / 1000);
                 const cmds = [
                     ['zadd', key, score, value],
                     ['expire', key, ttl],
@@ -211,7 +214,7 @@ export default class StatsModel extends StatsClient {
                     if (err) {
                         return cb(err);
                     }
-                    const cmdErr = res.find((r) => r[0] !== null);
+                    const cmdErr = res.find(r => r[0] !== null);
                     if (cmdErr) {
                         return cb(cmdErr);
                     }
@@ -219,7 +222,9 @@ export default class StatsModel extends StatsClient {
                     return cb(null, successResponse);
                 });
             }
-            return this._redis!.zadd(key, score, value, cb);
+            return this._redis.zadd(key, score, value, cb);
         });
     }
 }
+
+module.exports = StatsModel;

lib/metrics/ZenkoMetrics.js

@@ -1,13 +1,13 @@
-import promClient from 'prom-client';
+const promClient = require('prom-client');
 
 const collectDefaultMetricsIntervalMs =
-    process.env.COLLECT_DEFAULT_METRICS_INTERVAL_MS !== undefined
+      process.env.COLLECT_DEFAULT_METRICS_INTERVAL_MS !== undefined ?
-        ? Number.parseInt(process.env.COLLECT_DEFAULT_METRICS_INTERVAL_MS, 10)
+      Number.parseInt(process.env.COLLECT_DEFAULT_METRICS_INTERVAL_MS, 10) :
-        : 10000;
+      10000;
 
 promClient.collectDefaultMetrics({ timeout: collectDefaultMetricsIntervalMs });
 
-export default class ZenkoMetrics {
+class ZenkoMetrics {
     static createCounter(params) {
         return new promClient.Counter(params);
     }
@@ -36,3 +36,5 @@ export default class ZenkoMetrics {
         return promClient.register.contentType;
     }
 }
+
+module.exports = ZenkoMetrics;

lib/models/ARN.js

@@ -1,17 +1,11 @@
-import errors from '../errors';
+const errors = require('../errors');
 
 const validServices = {
     aws: ['s3', 'iam', 'sts', 'ring'],
     scality: ['utapi', 'sso'],
 };
 
-export default class ARN {
+class ARN {
-    _partition: string;
-    _service: string;
-    _region: string | null;
-    _accountId: string | null;
-    _resource: string;
-
     /**
      *
      * Create an ARN object from its individual components
@@ -23,7 +17,7 @@ export default class ARN {
      * @param {string} [accountId] - AWS 12-digit account ID
      * @param {string} resource - AWS resource path (e.g. 'foo/bar')
      */
-    constructor(partition: string, service: string, region: string, accountId: string, resource: string) {
+    constructor(partition, service, region, accountId, resource) {
         this._partition = partition;
         this._service = service;
         this._region = region || null;
@@ -31,7 +25,7 @@ export default class ARN {
         this._resource = resource;
     }
 
-    static createFromString(arnStr: string) {
+    static createFromString(arnStr) {
         const [arn, partition, service, region, accountId,
                resourceType, resource] = arnStr.split(':');
 
@@ -63,8 +57,8 @@ export default class ARN {
                 `bad ARN: bad account ID "${accountId}": ` +
                     'must be a 12-digit number or "*"') };
         }
-        const fullResource = resource !== undefined ?
+        const fullResource = (resource !== undefined ?
-            `${resourceType}:${resource}` : resourceType;
+                              `${resourceType}:${resource}` : resourceType);
         return new ARN(partition, service, region, accountId, fullResource);
     }
 
@@ -85,21 +79,21 @@ export default class ARN {
     }
 
     isIAMAccount() {
-        return this.getService() === 'iam' &&
+        return this.getService() === 'iam'
-            this.getAccountId() !== null &&
+            && this.getAccountId() !== null
-            this.getAccountId() !== '*' &&
+            && this.getAccountId() !== '*'
-            this.getResource() === 'root';
+            && this.getResource() === 'root';
     }
     isIAMUser() {
-        return this.getService() === 'iam' &&
+        return this.getService() === 'iam'
-            this.getAccountId() !== null &&
+            && this.getAccountId() !== null
-            this.getAccountId() !== '*' &&
+            && this.getAccountId() !== '*'
-            this.getResource().startsWith('user/');
+            && this.getResource().startsWith('user/');
     }
     isIAMRole() {
-        return this.getService() === 'iam' &&
+        return this.getService() === 'iam'
-            this.getAccountId() !== null &&
+            && this.getAccountId() !== null
-            this.getResource().startsWith('role');
+            && this.getResource().startsWith('role');
     }
 
     toString() {
@@ -108,3 +102,5 @@ export default class ARN {
             .join(':');
     }
 }
+
+module.exports = ARN;

lib/models/BackendInfo.js

@@ -1,13 +1,7 @@
-import { legacyLocations } from '../constants';
+const { legacyLocations } = require('../constants');
-import escapeForXml from '../s3middleware/escapeForXml';
+const escapeForXml = require('../s3middleware/escapeForXml');
-
-export default class BackendInfo {
-    _config;
-    _objectLocationConstraint;
-    _bucketLocationConstraint;
-    _requestEndpoint;
-    _legacyLocationConstraint;
 
+class BackendInfo {
     /**
     * Represents the info necessary to evaluate which data backend to use
     * on a data put call.
@@ -242,3 +236,5 @@ export default class BackendInfo {
         return this._config.backends.data;
     }
 }
+
+module.exports = BackendInfo;

lib/models/BucketAzureInfo.js

@@ -2,9 +2,7 @@
  * Helper class to ease access to the Azure specific information for
  * storage accounts mapped to buckets.
  */
-export default class BucketAzureInfo {
+class BucketAzureInfo {
-    _data
-    
     /**
      * @constructor
      * @param {object} obj - Raw structure for the Azure info on storage account
@@ -235,3 +233,5 @@ export default class BucketAzureInfo {
         return this._data;
     }
 }
+
+module.exports = BucketAzureInfo;

lib/models/BucketInfo.js

@@ -1,44 +1,19 @@
-import assert from 'assert';
+const assert = require('assert');
-import uuid from 'uuid/v4';
+const uuid = require('uuid/v4');
 
-import { WebsiteConfiguration } from './WebsiteConfiguration';
+const { WebsiteConfiguration } = require('./WebsiteConfiguration');
-import ReplicationConfiguration from './ReplicationConfiguration';
+const ReplicationConfiguration = require('./ReplicationConfiguration');
-import LifecycleConfiguration from './LifecycleConfiguration';
+const LifecycleConfiguration = require('./LifecycleConfiguration');
-import ObjectLockConfiguration from './ObjectLockConfiguration';
+const ObjectLockConfiguration = require('./ObjectLockConfiguration');
-import BucketPolicy from './BucketPolicy';
+const BucketPolicy = require('./BucketPolicy');
-import NotificationConfiguration from './NotificationConfiguration';
+const NotificationConfiguration = require('./NotificationConfiguration');
 
 // WHEN UPDATING THIS NUMBER, UPDATE BucketInfoModelVersion.md CHANGELOG
 // BucketInfoModelVersion.md can be found in documentation/ at the root
 // of this repository
 const modelVersion = 14;
 
-export default class BucketInfo {
+class BucketInfo {
-    _acl;
-    _name;
-    _owner;
-    _ownerDisplayName;
-    _creationDate;
-    _mdBucketModelVersion;
-    _transient;
-    _deleted;
-    _serverSideEncryption;
-    _versioningConfiguration;
-    _locationConstraint;
-    _readLocationConstraint;
-    _websiteConfiguration;
-    _replicationConfiguration;
-    _cors;
-    _lifecycleConfiguration;
-    _bucketPolicy;
-    _uid;
-    _isNFS;
-    _ingestion;
-    _azureInfo;
-    _objectLockEnabled;
-    _objectLockConfiguration;
-    _notificationConfiguration;
-
     /**
     * Represents all bucket information.
     * @constructor
@@ -793,3 +768,5 @@ export default class BucketInfo {
         return this;
     }
 }
+
+module.exports = BucketInfo;

lib/models/BucketPolicy.js

@@ -1,7 +1,7 @@
-import assert from 'assert';
+const assert = require('assert');
 
-import errors from '../errors';
+const errors = require('../errors');
-import { validateResourcePolicy } from '../policy/policyValidator';
+const { validateResourcePolicy } = require('../policy/policyValidator');
 
 /**
  * Format of json policy:
@@ -49,10 +49,7 @@ const objectActions = [
     's3:PutObjectTagging',
 ];
 
-export default class BucketPolicy {
+class BucketPolicy {
-    _json
-    _policy
-    
     /**
      * Create a Bucket Policy instance
      * @param {string} json - the json policy
@@ -78,11 +75,8 @@ export default class BucketPolicy {
      */
     _getPolicy() {
         if (!this._json || this._json === '') {
-            return {
+            return { error: errors.MalformedPolicy.customizeDescription(
-                error: errors.MalformedPolicy.customizeDescription(
+                'request json is empty or undefined') };
-                    'request json is empty or undefined'
-                ),
-            };
         }
         const validSchema = validateResourcePolicy(this._json);
         if (validSchema.error) {
@@ -110,32 +104,25 @@ export default class BucketPolicy {
      * @return {error} - contains error or empty obj
      */
     _validateActionResource() {
-        const invalid = this._policy.Statement.every((s) => {
+        const invalid = this._policy.Statement.every(s => {
-            const actions =
+            const actions = typeof s.Action === 'string' ?
-                typeof s.Action === 'string' ? [s.Action] : s.Action;
+                [s.Action] : s.Action;
-            const resources =
+            const resources = typeof s.Resource === 'string' ?
-                typeof s.Resource === 'string' ? [s.Resource] : s.Resource;
+                [s.Resource] : s.Resource;
-            const objectAction = actions.some(
+            const objectAction = actions.some(a =>
-                (a) => a.includes('Object') || objectActions.includes(a)
+                a.includes('Object') || objectActions.includes(a));
-            );
             // wildcardObjectAction checks for actions such as 's3:*' or
             // 's3:Put*' but will return false for actions such as
             // 's3:PutBucket*'
             const wildcardObjectAction = actions.some(
-                (a) => a.includes('*') && !a.includes('Bucket')
+                a => a.includes('*') && !a.includes('Bucket'));
-            );
+            const objectResource = resources.some(r => r.includes('/'));
-            const objectResource = resources.some((r) => r.includes('/'));
+            return ((objectAction && !objectResource) ||
-            return (
+                (objectResource && !objectAction && !wildcardObjectAction));
-                (objectAction && !objectResource) ||
-                (objectResource && !objectAction && !wildcardObjectAction)
-            );
         });
         if (invalid) {
-            return {
+            return { error: errors.MalformedPolicy.customizeDescription(
-                error: errors.MalformedPolicy.customizeDescription(
+                'Action does not apply to any resource(s) in statement') };
-                    'Action does not apply to any resource(s) in statement'
-                ),
-            };
         }
         return {};
     }
@@ -152,3 +139,5 @@ export default class BucketPolicy {
         assert.deepStrictEqual(validated, { error: null, valid: true });
     }
 }
+
+module.exports = BucketPolicy;

lib/models/LifecycleConfiguration.js

@@ -1,9 +1,9 @@
-import assert from 'assert';
+const assert = require('assert');
-import UUID from 'uuid';
+const UUID = require('uuid');
 
-import errors from '../errors';
+const errors = require('../errors');
-import LifecycleRule from './LifecycleRule';
+const LifecycleRule = require('./LifecycleRule');
-import escapeForXml from '../s3middleware/escapeForXml';
+const escapeForXml = require('../s3middleware/escapeForXml');
 
 const MAX_DAYS = 2147483647; // Max 32-bit signed binary integer.
 
@@ -83,7 +83,7 @@ const MAX_DAYS = 2147483647; // Max 32-bit signed binary integer.
   };
  */
 
-export default class LifecycleConfiguration {
+class LifecycleConfiguration {
     /**
      * Create a Lifecycle Configuration instance
      * @param {string} xml - the parsed xml
@@ -1128,7 +1128,7 @@ export default class LifecycleConfiguration {
                                 `<NoncurrentDays>${noncurrentDays}` +
                                 '</NoncurrentDays>',
                                 `<StorageClass>${storageClass}</StorageClass>`,
-                            `</${actionName}>`,
+                            `</${actionName}>`
                         );
                     });
                     Action = xml.join('');
@@ -1148,7 +1148,7 @@ export default class LifecycleConfiguration {
                             `<${actionName}>`,
                                 element,
                                 `<StorageClass>${storageClass}</StorageClass>`,
-                            `</${actionName}>`,
+                            `</${actionName}>`
                         );
                     });
                     Action = xml.join('');
@@ -1220,3 +1220,5 @@ export default class LifecycleConfiguration {
         return { Rules: rulesJSON };
     }
 }
+
+module.exports = LifecycleConfiguration;

lib/models/LifecycleRule.js

@@ -1,11 +1,11 @@
-import uuid from 'uuid/v4';
+const uuid = require('uuid/v4');
 
 /**
  * @class LifecycleRule
  *
  * @classdesc Simple get/set class to build a single Rule
  */
-export default class LifecycleRule {
+class LifecycleRule {
     constructor(id, status) {
         // defaults
         this.id = id || uuid();
@@ -134,3 +134,5 @@ export default class LifecycleRule {
         return this;
     }
 }
+
+module.exports = LifecycleRule;

lib/models/NotificationConfiguration.js

@@ -1,11 +1,11 @@
-import assert from 'assert';
+const assert = require('assert');
-import UUID from 'uuid';
+const UUID = require('uuid');
 
-import {
+const {
     supportedNotificationEvents,
     notificationArnPrefix,
-} from '../constants';
+} = require('../constants');
-import errors from '../errors';
+const errors = require('../errors');
 
 /**
  * Format of xml request:
@@ -27,7 +27,7 @@ import errors from '../errors';
  * </NotificationConfiguration>
  */
 
-/**
+ /**
   * Format of config:
   *
   * config = {
@@ -51,7 +51,7 @@ import errors from '../errors';
   * }
   */
 
-export default class NotificationConfiguration {
+class NotificationConfiguration {
     /**
      * Create a Notification Configuration instance
      * @param {string} xml - parsed configuration xml
@@ -307,3 +307,5 @@ export default class NotificationConfiguration {
         return;
     }
 }
+
+module.exports = NotificationConfiguration;

lib/models/ObjectLockConfiguration.js

@@ -1,5 +1,6 @@
-import assert from 'assert';
+const assert = require('assert');
-import errors from '../errors';
+
+const errors = require('../errors');
 
 /**
  * Format of xml request:
@@ -16,7 +17,7 @@ import errors from '../errors';
  * </ObjectLockConfiguration>
  */
 
-/**
+ /**
   * Format of config:
   *
   * config = {
@@ -26,7 +27,7 @@ import errors from '../errors';
   *     }
   * }
   */
-export default class ObjectLockConfiguration {
+class ObjectLockConfiguration {
     /**
      * Create an Object Lock Configuration instance
      * @param {string} xml - the parsed configuration xml
@@ -233,3 +234,5 @@ export default class ObjectLockConfiguration {
             '</ObjectLockConfiguration>';
     }
 }
+
+module.exports = ObjectLockConfiguration;

lib/models/ObjectMD.js

@@ -1,15 +1,16 @@
-import * as crypto from 'crypto';
+const crypto = require('crypto');
 
-import * as constants from '../constants';
+const constants = require('../constants');
-import * as VersionIDUtils from '../versioning/VersionID';
+const VersionIDUtils = require('../versioning/VersionID');
 
-import ObjectMDLocation from './ObjectMDLocation';
+const ObjectMDLocation = require('./ObjectMDLocation');
 
 /**
  * Class to manage metadata object for regular s3 objects (instead of
  * mpuPart metadata for example)
  */
-export default class ObjectMD {
+class ObjectMD {
+
     /**
      * Create a new instance of ObjectMD. Parameter <tt>objMd</tt> is
      * reserved for internal use, users should call
@@ -1189,3 +1190,5 @@ export default class ObjectMD {
         return this._data;
     }
 }
+
+module.exports = ObjectMD;

lib/models/ObjectMDAzureInfo.js

@@ -2,7 +2,7 @@
  * Helper class to ease access to the Azure specific information for
  * Blob and Container objects.
  */
-export default class ObjectMDAzureInfo {
+class ObjectMDAzureInfo {
     /**
      * @constructor
      * @param {object} obj - Raw structure for the Azure info on Blob/Container
@@ -158,3 +158,5 @@ export default class ObjectMDAzureInfo {
         return this._data;
     }
 }
+
+module.exports = ObjectMDAzureInfo;

lib/models/ObjectMDLocation.js

@@ -2,7 +2,8 @@
  * Helper class to ease access to a single data location in metadata
  * 'location' array
  */
-export default class ObjectMDLocation {
+class ObjectMDLocation {
+
     /**
      * @constructor
      * @param {object} locationObj - single data location info
@@ -126,3 +127,5 @@ export default class ObjectMDLocation {
         return this._data;
     }
 }
+
+module.exports = ObjectMDLocation;

lib/models/ReplicationConfiguration.js

@@ -1,9 +1,9 @@
-import assert from 'assert';
+const assert = require('assert');
-import UUID from 'uuid';
+const UUID = require('uuid');
 
-import escapeForXml from '../s3middleware/escapeForXml';
+const escapeForXml = require('../s3middleware/escapeForXml');
-import errors from '../errors';
+const errors = require('../errors');
-import { isValidBucketName } from '../s3routes/routesUtils';
+const { isValidBucketName } = require('../s3routes/routesUtils');
 
 const MAX_RULES = 1000;
 const RULE_ID_LIMIT = 255;
@@ -37,19 +37,7 @@ const validStorageClasses = [
     </ReplicationConfiguration>
 */
 
-export default class ReplicationConfiguration {
+class ReplicationConfiguration {
-    _parsedXML
-    _log
-    _config
-    _configPrefixes
-    _configIDs
-    _role
-    _destination
-    _rules
-    _prevStorageClass
-    _hasScalityDestination
-    _preferredReadLocation
-
     /**
      * Create a ReplicationConfiguration instance
      * @param {string} xml - The parsed XML
@@ -481,3 +469,5 @@ export default class ReplicationConfiguration {
         });
     }
 }
+
+module.exports = ReplicationConfiguration;

lib/models/WebsiteConfiguration.js

@@ -1,7 +1,4 @@
-export class RoutingRule {
+class RoutingRule {
-    _redirect;
-    _condition;
-
     /**
     * Represents a routing rule in a website configuration.
     * @constructor
@@ -55,12 +52,7 @@ export class RoutingRule {
     }
 }
 
-export class WebsiteConfiguration {
+class WebsiteConfiguration {
-    _indexDocument;
-    _errorDocument;
-    _redirectAllRequestsTo;
-    _routingRules;
-
     /**
     * Object that represents website configuration
     * @constructor
@@ -196,3 +188,8 @@ export class WebsiteConfiguration {
         return this._routingRules;
     }
 }
+
+module.exports = {
+    RoutingRule,
+    WebsiteConfiguration,
+};

lib/network/RoundRobin.js

@@ -17,7 +17,7 @@ function shuffle(array) {
     }
 }
 
-export default class RoundRobin {
+class RoundRobin {
     /**
      * @constructor
      * @param {object[]|string[]} hostsList - list of hosts to query
@@ -167,3 +167,5 @@ export default class RoundRobin {
         }
     }
 }
+
+module.exports = RoundRobin;

lib/network/http/server.js

@@ -1,13 +1,16 @@
-import * as http from 'http';
+'use strict'; // eslint-disable-line
-import * as https from 'https';
+
-import assert from 'assert';
+const http = require('http');
-import { dhparam } from '../../https/dh2048';
+const https = require('https');
-import { ciphers } from '../../https/ciphers';
+const assert = require('assert');
-import errors from '../../errors';
+const dhparam = require('../../https/dh2048').dhparam;
-import { checkSupportIPv6 } from './utils';
+const ciphers = require('../../https/ciphers').ciphers;
+const errors = require('../../errors');
+const { checkSupportIPv6 } = require('./utils');
 
 
-export default class Server {
+class Server {
+
     /**
      * @constructor
      *
@@ -456,3 +459,5 @@ export default class Server {
         return this;
     }
 }
+
+module.exports = Server;

lib/network/http/utils.js

@@ -1,5 +1,7 @@
-import * as os from 'os';
+'use strict'; // eslint-disable-line
-import errors from '../../errors';
+
+const os = require('os');
+const errors = require('../../errors');
 
 /**
  * Parse the Range header into an object
@@ -14,7 +16,7 @@ import errors from '../../errors';
  * - an error attribute of type errors.InvalidArgument if the range
  *     syntax is invalid
  */
-export function parseRangeSpec(rangeHeader) {
+function parseRangeSpec(rangeHeader) {
     const rangeMatch = /^bytes=([0-9]+)?-([0-9]+)?$/.exec(rangeHeader);
     if (rangeMatch) {
         const rangeValues = rangeMatch.slice(1, 3);
@@ -53,7 +55,7 @@ export function parseRangeSpec(rangeHeader) {
  * - or an 'error' attribute of type errors.InvalidRange if the
  *     requested range is out of object's boundaries.
  */
-export function getByteRangeFromSpec(rangeSpec, objectSize) {
+function getByteRangeFromSpec(rangeSpec, objectSize) {
     if (rangeSpec.suffix !== undefined) {
         if (rangeSpec.suffix === 0) {
             // 0-byte suffix is always invalid (even on empty objects)
@@ -93,7 +95,7 @@ export function getByteRangeFromSpec(rangeSpec, objectSize) {
  * - or an 'error' attribute instead of type errors.InvalidRange if
  *     the requested range is out of object's boundaries.
  */
-export function parseRange(rangeHeader, objectSize) {
+function parseRange(rangeHeader, objectSize) {
     const rangeSpec = parseRangeSpec(rangeHeader);
     if (rangeSpec.error) {
         // invalid range syntax is silently ignored in HTTP spec,
@@ -103,8 +105,15 @@ export function parseRange(rangeHeader, objectSize) {
     return getByteRangeFromSpec(rangeSpec, objectSize);
 }
 
-export function checkSupportIPv6() {
+function checkSupportIPv6() {
     const niList = os.networkInterfaces();
     return Object.keys(niList).some(network =>
         niList[network].some(intfc => intfc.family === 'IPv6'));
 }
+
+module.exports = {
+    parseRangeSpec,
+    getByteRangeFromSpec,
+    parseRange,
+    checkSupportIPv6,
+};

lib/network/kmip/Client.js

@@ -1,8 +1,12 @@
-import async from 'async';
+'use strict'; // eslint-disable-line
-import errors from '../../errors';
+/* eslint new-cap: "off" */
-import TTLVCodec from './codec/ttlv';
+
-import TlsTransport from './transport/tls';
+const async = require('async');
-import KMIP from '.';
+
+const errors = require('../../errors');
+const TTLVCodec = require('./codec/ttlv.js');
+const TlsTransport = require('./transport/tls.js');
+const KMIP = require('.');
 
 const CRYPTOGRAPHIC_OBJECT_TYPE = 'Symmetric Key';
 const CRYPTOGRAPHIC_ALGORITHM = 'AES';
@@ -51,12 +55,7 @@ function _arsenalError(err) {
     if (typeof err === 'string') {
         return errors.InternalError
             .customizeDescription(`${messagePrefix} ${err}`);
-    } else if (
+    } else if (err instanceof Error) {
-        err instanceof Error ||
-        // INFO: The second part is here only for Jest, to remove when we'll be
-        //   fully migrated to TS
-        (err && typeof err.message === 'string')
-    ) {
         return errors.InternalError
             .customizeDescription(`${messagePrefix} ${err.message}`);
     }
@@ -237,7 +236,8 @@ function _queryOperationsAndObjects(client, logger, cb) {
     });
 }
 
-export default class Client {
+
+class Client {
     /**
      * Construct a high level KMIP driver suitable for cloudserver
      * @param {Object} options - Instance options
@@ -599,3 +599,5 @@ export default class Client {
         });
     }
 }
+
+module.exports = Client;

lib/network/kmip/Message.js

@@ -1,4 +1,6 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line
+
+const assert = require('assert');
 
 
 function _lookup(decodedTTLV, path) {
@@ -29,7 +31,7 @@ function _lookup(decodedTTLV, path) {
     return res;
 }
 
-export default class Message {
+class Message {
     /**
      * Construct a new abstract Message
      * @param {Object} content - the content  of the message
@@ -48,3 +50,5 @@ export default class Message {
         return _lookup(this.content, path);
     }
 }
+
+module.exports = Message;

lib/network/kmip/codec/ttlv.js

@@ -1,5 +1,8 @@
-import KMIPTags from '../tags.json';
+'use strict'; // eslint-disable-line
-import KMIPMessage from '../Message';
+/* eslint dot-notation: "off" */
+
+const KMIPTags = require('../tags.json');
+const KMIPMessage = require('../Message.js');
 
 const UINT32_MAX = Math.pow(2, 32);
 
@@ -23,7 +26,7 @@ function _throwError(logger, msg, data) {
     throw Error(msg);
 }
 
-export default function TTLVCodec() {
+function TTLVCodec() {
     if (!new.target) {
         return new TTLVCodec();
     }
@@ -427,3 +430,5 @@ export default function TTLVCodec() {
     };
     return this;
 }
+
+module.exports = TTLVCodec;

lib/network/kmip/index.js

@@ -1,6 +1,9 @@
-import uuidv4 from 'uuid/v4';
+'use strict'; // eslint-disable-line
+/* eslint new-cap: "off" */
 
-import Message from './Message';
+const uuidv4 = require('uuid/v4');
+
+const Message = require('./Message.js');
 
 /* This client requires at least a KMIP 1.2 compatible server */
 const DEFAULT_PROTOCOL_VERSION_MAJOR = 1;
@@ -19,7 +22,7 @@ function _PrimitiveType(tagName, type, value) {
     return { [tagName]: { type, value } };
 }
 
-export default class KMIP {
+class KMIP {
     /**
      * Construct a new KMIP Object
      * @param {Class} Codec -
@@ -339,4 +342,9 @@ export default class KMIP {
                 return cb(null, response);
             });
     }
+
+
 }
+
+
+module.exports = KMIP;

lib/network/kmip/transport/TransportTemplate.js

@@ -1,9 +1,11 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line
+
+const assert = require('assert');
 
 const DEFAULT_PIPELINE_DEPTH = 8;
 const DEFAULT_KMIP_PORT = 5696;
 
-export default class TransportTemplate {
+class TransportTemplate {
     /**
      * Construct a new object of the TransportTemplate class
      * @param {Object} channel - Typically the tls object
@@ -168,3 +170,5 @@ export default class TransportTemplate {
         conversation.end();
     }
 }
+
+module.exports = TransportTemplate;

lib/network/kmip/transport/tls.js

@@ -1,3 +1,5 @@
+'use strict'; // eslint-disable-line
+
 const tls = require('tls');
 const TransportTemplate = require('./TransportTemplate.js');
 
@@ -7,4 +9,4 @@ class TlsTransport extends TransportTemplate {
     }
 }
 
-module.exports = TlsTra
+module.exports = TlsTransport;

lib/network/probe/HealthProbeServer.js

@@ -1,14 +1,14 @@
-import httpServer from '../http/server';
+const httpServer = require('../http/server');
-import werelogs from 'werelogs';
+const werelogs = require('werelogs');
-import errors from '../../errors';
+const errors = require('../../errors');
-import ZenkoMetrics from '../../metrics/ZenkoMetrics';
+const ZenkoMetrics = require('../../metrics/ZenkoMetrics');
-import { sendSuccess, sendError } from './Utils';
+const { sendSuccess, sendError } = require('./Utils');
 
 function checkStub(log) { // eslint-disable-line
     return true;
 }
 
-export default class HealthProbeServer extends httpServer {
+class HealthProbeServer extends httpServer {
     constructor(params) {
         const logging = new werelogs.Logger('HealthProbeServer');
         super(params.port, logging);
@@ -72,3 +72,5 @@ export default class HealthProbeServer extends httpServer {
         res.end(ZenkoMetrics.asPrometheus());
     }
 }
+
+module.exports = HealthProbeServer;

lib/network/probe/ProbeServer.js

@@ -1,10 +1,10 @@
-import httpServer from '../http/server';
+const httpServer = require('../http/server');
-import werelogs from 'werelogs';
+const werelogs = require('werelogs');
-import errors from '../../errors';
+const errors = require('../../errors');
 
-export const DEFAULT_LIVE_ROUTE = '/_/live';
+const DEFAULT_LIVE_ROUTE = '/_/live';
-export const DEFAULT_READY_ROUTE = '/_/ready';
+const DEFAULT_READY_ROUTE = '/_/ready';
-export const DEFAULT_METRICS_ROUTE = '/metrics';
+const DEFAULT_METRICS_ROUTE = '/metrics';
 
 /**
  * ProbeDelegate is used to handle probe checks.
@@ -28,7 +28,7 @@ export const DEFAULT_METRICS_ROUTE = '/metrics';
  *
  * @extends {httpServer}
  */
-export class ProbeServer extends httpServer {
+class ProbeServer extends httpServer {
     /**
      * Create a new ProbeServer with parameters
      *
@@ -92,3 +92,10 @@ export class ProbeServer extends httpServer {
         this._handlers.get(req.url)(res, log);
     }
 }
+
+module.exports = {
+    ProbeServer,
+    DEFAULT_LIVE_ROUTE,
+    DEFAULT_READY_ROUTE,
+    DEFAULT_METRICS_ROUTE,
+};

lib/network/probe/Utils.js

@@ -5,7 +5,7 @@
  * @param {string} [message] - Message to send as response, defaults to OK
  * @returns {undefined}
  */
-export function sendSuccess(res, log, message = 'OK') {
+function sendSuccess(res, log, message = 'OK') {
     log.debug('replying with success');
     res.writeHead(200);
     res.end(message);
@@ -19,14 +19,14 @@ export function sendSuccess(res, log, message = 'OK') {
  * @param {string} [optMessage] - Message to use instead of the errors message
  * @returns {undefined}
  */
-export function sendError(res, log, error, optMessage) {
+function sendError(res, log, error, optMessage) {
     const message = optMessage || error.description || '';
     log.debug('sending back error response',
         {
             httpCode: error.code,
             errorType: error.message,
             error: message,
-        },
+        }
     );
     res.writeHead(error.code);
     res.end(JSON.stringify({
@@ -34,3 +34,8 @@ export function sendError(res, log, error, optMessage) {
         errorMessage: message,
     }));
 }
+
+module.exports = {
+    sendSuccess,
+    sendError,
+};

lib/network/rest/RESTClient.js

@@ -1,10 +1,12 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line
-import http from 'http';
-import werelogs from 'werelogs';
 
-import * as constants from '../../constants';
+const assert = require('assert');
-import * as utils from './utils';
+const http = require('http');
-import errors from '../../errors';
+const werelogs = require('werelogs');
+
+const constants = require('../../constants');
+const utils = require('./utils');
+const errors = require('../../errors');
 
 const HttpAgent = require('agentkeepalive');
 
@@ -62,7 +64,7 @@ function makeErrorFromHTTPResponse(response) {
  *
  * The API is usable when the object is constructed.
  */
-export default class RESTClient {
+class RESTClient {
     /**
      * Interface to the data file server
      * @constructor
@@ -309,3 +311,5 @@ export default class RESTClient {
  * @callback RESTClient~deleteCallback
  * @param {Error} - The encountered error
  */
+
+module.exports = RESTClient;

lib/network/rest/RESTServer.js

@@ -1,13 +1,15 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line
-import url from 'url';
 
-import werelogs from 'werelogs';
+const assert = require('assert');
+const url = require('url');
 
-import httpServer from '../http/server';
+const werelogs = require('werelogs');
-import * as constants from '../../constants';
+
-import { parseURL } from './utils';
+const httpServer = require('../http/server');
-import * as httpUtils from '../http/utils';
+const constants = require('../../constants');
-import errors from '../../errors';
+const { parseURL } = require('./utils');
+const httpUtils = require('../http/utils');
+const errors = require('../../errors');
 
 function setContentLength(response, contentLength) {
     response.setHeader('Content-Length', contentLength.toString());
@@ -42,7 +44,8 @@ function sendError(res, log, error, optMessage) {
  * You have to call setup() to initialize the storage backend, then
  * start() to start listening to the configured port.
  */
-export default class RESTServer extends httpServer {
+class RESTServer extends httpServer {
+
     /**
      * @constructor
      * @param {Object} params - constructor params
@@ -271,3 +274,5 @@ export default class RESTServer extends httpServer {
         return undefined;
     }
 }
+
+module.exports = RESTServer;

lib/network/rest/utils.js

@@ -1,10 +1,12 @@
-import errors from '../../errors';
+'use strict'; // eslint-disable-line
-import * as constants from '../../constants';
+
-import * as url from 'url';
+const errors = require('../../errors');
+const constants = require('../../constants');
+const url = require('url');
 
 const passthroughPrefixLength = constants.passthroughFileURL.length;
 
-export function explodePath(path) {
+function explodePath(path) {
     if (path.startsWith(constants.passthroughFileURL)) {
         const key = path.slice(passthroughPrefixLength + 1);
         return {
@@ -35,7 +37,7 @@ export function explodePath(path) {
  *   - pathInfo.service {String} - The name of REST service ("DataFile")
  *   - pathInfo.key {String} - The requested key
  */
-export function parseURL(urlStr, expectKey) {
+function parseURL(urlStr, expectKey) {
     const urlObj = url.parse(urlStr);
     const pathInfo = explodePath(decodeURI(urlObj.path));
     if ((pathInfo.service !== constants.dataFileURL)
@@ -59,3 +61,8 @@ export function parseURL(urlStr, expectKey) {
     }
     return pathInfo;
 }
+
+module.exports = {
+    explodePath,
+    parseURL,
+};

lib/network/rpc/level-net.js

@@ -1,6 +1,8 @@
-import assert from 'assert';
+'use strict'; // eslint-disable-line
 
-import * as rpc from './rpc';
+const assert = require('assert');
+
+const rpc = require('./rpc.js');
 
 /**
  * @class
@@ -15,6 +17,7 @@ import * as rpc from './rpc';
  * RPC client object accessing the sub-level transparently.
  */
 class LevelDbClient extends rpc.BaseClient {
+
     /**
      * @constructor
      *
@@ -75,6 +78,7 @@ class LevelDbClient extends rpc.BaseClient {
  * env.subDb (env is passed as first parameter of received RPC calls).
  */
 class LevelDbService extends rpc.BaseService {
+
     /**
      * @constructor
      *

lib/network/rpc/rpc.js

@@ -1,14 +1,17 @@
-import http from 'http';
+'use strict'; // eslint-disable-line
-import io from 'socket.io';
-import ioClient from 'socket.io-client';
-import * as sioStream from './sio-stream';
-import async from 'async';
-import assert from 'assert';
-import { EventEmitter } from 'events';
 
-import { flattenError, reconstructError } from './utils';
+const http = require('http');
-import errors from '../../errors';
+const io = require('socket.io');
-import * as jsutil from '../../jsutil';
+const ioClient = require('socket.io-client');
+const sioStream = require('./sio-stream');
+const async = require('async');
+const assert = require('assert');
+const EventEmitter = require('events').EventEmitter;
+
+const flattenError = require('./utils').flattenError;
+const reconstructError = require('./utils').reconstructError;
+const errors = require('../../errors');
+const jsutil = require('../../jsutil');
 
 const DEFAULT_CALL_TIMEOUT_MS = 30000;
 
@@ -33,7 +36,8 @@ let streamRPCJSONObj;
  * - the return value is passed as callback's second argument (unless
  *   an error occurred).
  */
-export class BaseClient extends EventEmitter {
+class BaseClient extends EventEmitter {
+
     /**
      * @constructor
      *
@@ -246,7 +250,8 @@ export class BaseClient extends EventEmitter {
  * method.
  *
  */
-export class BaseService {
+class BaseService {
+
     /**
      * @constructor
      *
@@ -464,8 +469,7 @@ export class BaseService {
  * @return {Object} a server object, not yet listening on a TCP port
  * (you must call listen(port) on the returned object)
  */
-
+function RPCServer(params) {
-export function RPCServer(params) {
     assert(params.logger);
 
     const httpServer = http.createServer();
@@ -664,7 +668,7 @@ streamRPCJSONObj = function _streamRPCJSONObj(obj, wstream, cb) {
  * @return {Object} a HTTP server object, not yet listening on a TCP
  * port (you must call listen(port) on the returned object)
  */
-export function RESTServer(params) {
+function RESTServer(params) {
     assert(params);
     assert(params.logger);
     const httpServer = http.createServer((req, res) => {
@@ -735,3 +739,11 @@ export function RESTServer(params) {
 
     return httpServer;
 }
+
+
+module.exports = {
+    BaseClient,
+    BaseService,
+    RPCServer,
+    RESTServer,
+};

lib/network/rpc/sio-stream.js

@@ -1,11 +1,13 @@
-import uuid from 'uuid';
+'use strict'; // eslint-disable-line
-import stream from 'stream';
-import debug_ from 'debug';
-import assert from 'assert';
-import async from 'async';
-import { flattenError, reconstructError } from './utils';
-const debug = debug_('sio-stream');
 
+const uuid = require('uuid');
+const stream = require('stream');
+const debug = require('debug')('sio-stream');
+const assert = require('assert');
+const async = require('async');
+
+const flattenError = require('./utils').flattenError;
+const reconstructError = require('./utils').reconstructError;
 
 const DEFAULT_MAX_PENDING_ACK = 4;
 const DEFAULT_ACK_TIMEOUT_MS = 5000;
@@ -431,7 +433,7 @@ class SIOStreamSocket {
     }
 }
 
-export function createSocket(
+module.exports.createSocket = function createSocket(
     socket,
     logger,
     maxPendingAck = DEFAULT_MAX_PENDING_ACK,

lib/network/rpc/utils.js

@@ -1,3 +1,5 @@
+'use strict'; // eslint-disable-line
+
 /**
  * @brief turn all <tt>err</tt> own and prototype attributes into own attributes
  *
@@ -7,7 +9,7 @@
  * @param {Error} err error object
  * @return {Object} flattened object containing <tt>err</tt> attributes
  */
-export function flattenError(err) {
+module.exports.flattenError = function flattenError(err) {
     if (!err) {
         return err;
     }
@@ -33,7 +35,7 @@ export function flattenError(err) {
  * @return {Error} a reconstructed Error object inheriting <tt>err</tt>
  *   attributes
  */
-export function reconstructError(err) {
+module.exports.reconstructError = function reconstructError(err) {
     if (!err) {
         return err;
     }

lib/patches/locationConstraints.js

@@ -1,7 +1,9 @@
-import { URL } from 'url';
+'use strict'; // eslint-disable-line strict
-import { decryptSecret } from '../executables/pensieveCreds/utils';
 
-export function patchLocations(overlayLocations, creds, log) {
+const { URL } = require('url');
+const { decryptSecret } = require('../executables/pensieveCreds/utils');
+
+function patchLocations(overlayLocations, creds, log) {
     if (!overlayLocations) {
         return {};
     }
@@ -151,3 +153,7 @@ export function patchLocations(overlayLocations, creds, log) {
     });
     return locations;
 }
+
+module.exports = {
+    patchLocations,
+};

lib/policy/policyValidator.js

@@ -1,7 +1,9 @@
-import Ajv from 'ajv';
+'use strict'; // eslint-disable-line strict
-import userPolicySchema from './userPolicySchema.json';
+
-import resourcePolicySchema from './resourcePolicySchema.json';
+const Ajv = require('ajv');
-import errors from '../errors';
+const userPolicySchema = require('./userPolicySchema');
+const resourcePolicySchema = require('./resourcePolicySchema');
+const errors = require('../errors');
 
 const ajValidate = new Ajv({ allErrors: true });
 ajValidate.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'));
@@ -115,7 +117,7 @@ function _validatePolicy(type, policy) {
 * @returns {Object} - returns object with properties error and value
 * @returns {ValidationResult} - result of the validation
 */
-export function validateUserPolicy(policy) {
+function validateUserPolicy(policy) {
     return _validatePolicy('user', policy);
 }
 
@@ -125,6 +127,11 @@ export function validateUserPolicy(policy) {
 * @returns {Object} - returns object with properties error and value
 * @returns {ValidationResult} - result of the validation
 */
-export function validateResourcePolicy(policy) {
+function validateResourcePolicy(policy) {
     return _validatePolicy('resource', policy);
 }
+
+module.exports = {
+    validateUserPolicy,
+    validateResourcePolicy,
+};

lib/policyEvaluator/RequestContext.js

@@ -1,17 +1,19 @@
-import { parseIp } from '../ipCheck';
+'use strict'; // eslint-disable-line strict
+
+const parseIp = require('../ipCheck').parseIp;
 // http://docs.aws.amazon.com/IAM/latest/UserGuide/list_s3.html
 // For MPU actions:
 // http://docs.aws.amazon.com/AmazonS3/latest/dev/mpuAndPermissions.html
 // For bucket head and object head:
 // http://docs.aws.amazon.com/AmazonS3/latest/dev/
 // using-with-s3-actions.html
-import {
+const {
     actionMapRQ,
     actionMapIAM,
     actionMapSSO,
     actionMapSTS,
     actionMapMetadata,
-} from './utils/actionMaps';
+} = require('./utils/actionMaps');
 
 const _actionNeedQuotaCheck = {
     objectPut: true,
@@ -127,7 +129,7 @@ function _buildArn(service, generalResource, specificResource, requesterInfo) {
  * @return {RequestContext} a RequestContext instance
  */
 
-export default class RequestContext {
+class RequestContext {
     constructor(headers, query, generalResource, specificResource,
         requesterIp, sslEnabled, apiMethod,
         awsService, locationConstraint, requesterInfo,
@@ -646,3 +648,5 @@ export default class RequestContext {
         return this._needTagEval;
     }
 }
+
+module.exports = RequestContext;

lib/policyEvaluator/evaluator.js

@@ -1,8 +1,14 @@
-import { substituteVariables } from './utils/variables';
+'use strict'; // eslint-disable-line strict
-import { handleWildcards } from './utils/wildcards';
+
-import { findConditionKey, convertConditionOperator } from './utils/conditions.js';
+const substituteVariables = require('./utils/variables.js');
-import checkArnMatch from './utils/checkArnMatch.js';
+const handleWildcards = require('./utils/wildcards.js').handleWildcards;
-import { transformTagKeyValue } from './utils/objectTags';
+const conditions = require('./utils/conditions.js');
+const findConditionKey = conditions.findConditionKey;
+const convertConditionOperator = conditions.convertConditionOperator;
+const checkArnMatch = require('./utils/checkArnMatch.js');
+const { transformTagKeyValue } = require('./utils/objectTags');
+
+const evaluators = {};
 
 const operatorsWithVariables = ['StringEquals', 'StringNotEquals',
     'StringEqualsIgnoreCase', 'StringNotEqualsIgnoreCase',
@@ -22,7 +28,7 @@ const tagConditions = new Set(['s3:ExistingObjectTag', 's3:RequestObjectTagKey',
  * @param {object} log - logger
  * @return {boolean} true if applicable, false if not
  */
-export function isResourceApplicable(requestContext, statementResource, log) {
+evaluators.isResourceApplicable = (requestContext, statementResource, log) => {
     const resource = requestContext.getResource();
     if (!Array.isArray(statementResource)) {
         // eslint-disable-next-line no-param-reassign
@@ -63,7 +69,7 @@ export function isResourceApplicable(requestContext, statementResource, log) {
  * @param {Object} log - logger
  * @return {boolean} true if applicable, false if not
  */
-export function isActionApplicable(requestAction, statementAction, log) {
+evaluators.isActionApplicable = (requestAction, statementAction, log) => {
     if (!Array.isArray(statementAction)) {
         // eslint-disable-next-line no-param-reassign
         statementAction = [statementAction];
@@ -95,7 +101,7 @@ export function isActionApplicable(requestAction, statementAction, log) {
  * @return {Object} contains whether conditions are allowed and whether they
  * contain any tag condition keys
  */
-export function meetConditions(requestContext, statementCondition, log) {
+evaluators.meetConditions = (requestContext, statementCondition, log) => {
     // The Condition portion of a policy is an object with different
     // operators as keys
     const conditionEval = {};
@@ -198,7 +204,7 @@ export function meetConditions(requestContext, statementCondition, log) {
  * @return {string} Allow if permitted, Deny if not permitted or Neutral
  * if not applicable
  */
-export function evaluatePolicy(requestContext, policy, log) {
+evaluators.evaluatePolicy = (requestContext, policy, log) => {
     // TODO: For bucket policies need to add Principal evaluation
     let verdict = 'Neutral';
 
@@ -210,33 +216,33 @@ export function evaluatePolicy(requestContext, policy, log) {
         const currentStatement = policy.Statement[i];
         // If affirmative resource is in policy and request resource is
         // not applicable, move on to next statement
-        if (currentStatement.Resource && !isResourceApplicable(requestContext,
+        if (currentStatement.Resource && !evaluators.isResourceApplicable(requestContext,
             currentStatement.Resource, log)) {
             continue;
         }
         // If NotResource is in policy and resource matches NotResource
         // in policy, move on to next statement
         if (currentStatement.NotResource &&
-            isResourceApplicable(requestContext,
+            evaluators.isResourceApplicable(requestContext,
             currentStatement.NotResource, log)) {
             continue;
         }
         // If affirmative action is in policy and request action is not
         // applicable, move on to next statement
         if (currentStatement.Action &&
-            !isActionApplicable(requestContext.getAction(),
+            !evaluators.isActionApplicable(requestContext.getAction(),
             currentStatement.Action, log)) {
             continue;
         }
         // If NotAction is in policy and action matches NotAction in policy,
         // move on to next statement
         if (currentStatement.NotAction &&
-            isActionApplicable(requestContext.getAction(),
+            evaluators.isActionApplicable(requestContext.getAction(),
             currentStatement.NotAction, log)) {
             continue;
         }
         const conditionEval = currentStatement.Condition ?
-            meetConditions(requestContext, currentStatement.Condition, log) :
+            evaluators.meetConditions(requestContext, currentStatement.Condition, log) :
             null;
         // If do not meet conditions move on to next statement
         if (conditionEval && !conditionEval.allow) {
@@ -270,12 +276,12 @@ export function evaluatePolicy(requestContext, policy, log) {
  * @return {string} Allow if permitted, Deny if not permitted.
  * Default is to Deny. Deny overrides an Allow
  */
-export function evaluateAllPolicies(requestContext, allPolicies, log) {
+evaluators.evaluateAllPolicies = (requestContext, allPolicies, log) => {
     log.trace('evaluating all policies');
     let verdict = 'Deny';
     for (let i = 0; i < allPolicies.length; i++) {
         const singlePolicyVerdict =
-            evaluatePolicy(requestContext, allPolicies[i], log);
+            evaluators.evaluatePolicy(requestContext, allPolicies[i], log);
         // If there is any Deny, just return Deny
         if (singlePolicyVerdict === 'Deny') {
             return 'Deny';
@@ -287,3 +293,5 @@ export function evaluateAllPolicies(requestContext, allPolicies, log) {
     log.trace('result of evaluating all pollicies', { verdict });
     return verdict;
 };
+
+module.exports = evaluators;

lib/policyEvaluator/principal.js

@@ -1,9 +1,9 @@
-import { meetConditions } from './evaluator';
+const { meetConditions } = require('./evaluator');
 
 /**
  * Class with methods to manage the policy 'principal' validation
  */
-export default class Principal {
+class Principal {
     /**
      * Function to evaluate conditions if needed
      *
@@ -176,3 +176,5 @@ export default class Principal {
         };
     }
 }
+
+module.exports = Principal;

lib/policyEvaluator/requestUtils.js

@@ -1,4 +1,4 @@
-import * as ipCheck from '../ipCheck';
+const ipCheck = require('../ipCheck');
 
 /**
  * getClientIp - Gets the client IP from the request
@@ -6,7 +6,7 @@ import * as ipCheck from '../ipCheck';
  * @param {object} s3config - s3 config
  * @return {string} - returns client IP from the request
  */
-export function getClientIp(request, s3config) {
+function getClientIp(request, s3config) {
     const requestConfig = s3config ? s3config.requests : {};
     const remoteAddress = request.socket.remoteAddress;
     const clientIp = requestConfig ? remoteAddress : request.headers['x-forwarded-for'] || remoteAddress;
@@ -26,3 +26,7 @@ export function getClientIp(request, s3config) {
     }
     return clientIp;
 }
+
+module.exports = {
+    getClientIp,
+};

lib/policyEvaluator/utils/actionMaps.js

@@ -1,4 +1,4 @@
-export const sharedActionMap = {
+const sharedActionMap = {
     bucketDelete: 's3:DeleteBucket',
     // the "s3:PutEncryptionConfiguration" action also governs DELETE
     bucketDeleteEncryption: 's3:PutEncryptionConfiguration',
@@ -47,7 +47,7 @@ export const sharedActionMap = {
 };
 
 // action map used for request context
-export const actionMapRQ = Object.assign({
+const actionMapRQ = Object.assign({
     bucketPut: 's3:CreateBucket',
     // for bucketDeleteCors need s3:PutBucketCORS permission
     // see http://docs.aws.amazon.com/AmazonS3/latest/API/
@@ -73,15 +73,15 @@ export const actionMapRQ = Object.assign({
 }, sharedActionMap);
 
 // action map used for bucket policies
-export const actionMapBP = Object.assign({}, sharedActionMap);
+const actionMapBP = Object.assign({}, sharedActionMap);
 
 // action map for all relevant s3 actions
-export const actionMapS3 = Object.assign({
+const actionMapS3 = Object.assign({
     bucketGetNotification: 's3:GetBucketNotification',
     bucketPutNotification: 's3:PutBucketNotification',
 }, sharedActionMap, actionMapRQ, actionMapBP);
 
-export const actionMonitoringMapS3 = {
+const actionMonitoringMapS3 = {
     bucketDelete: 'DeleteBucket',
     bucketDeleteCors: 'DeleteBucketCors',
     bucketDeleteEncryption: 'DeleteBucketEncryption',
@@ -139,7 +139,7 @@ export const actionMonitoringMapS3 = {
     serviceGet: 'ListBuckets',
 };
 
-export const actionMapIAM = {
+const actionMapIAM = {
     attachGroupPolicy: 'iam:AttachGroupPolicy',
     attachUserPolicy: 'iam:AttachUserPolicy',
     createAccessKey: 'iam:CreateAccessKey',
@@ -178,15 +178,26 @@ export const actionMapIAM = {
     getCredentialReport: 'iam:GetCredentialReport',
 };
 
-export const actionMapSSO = {
+const actionMapSSO = {
     SsoAuthorize: 'sso:Authorize',
 };
 
-export const actionMapSTS = {
+const actionMapSTS = {
     assumeRole: 'sts:AssumeRole',
 };
 
-export const actionMapMetadata = {
+const actionMapMetadata = {
     admin: 'metadata:admin',
     default: 'metadata:bucketd',
 };
+
+module.exports = {
+    actionMapRQ,
+    actionMapBP,
+    actionMapS3,
+    actionMonitoringMapS3,
+    actionMapIAM,
+    actionMapSSO,
+    actionMapSTS,
+    actionMapMetadata,
+};

lib/policyEvaluator/utils/checkArnMatch.js

@@ -1,3 +1,5 @@
+'use strict'; // eslint-disable-line strict
+
 const handleWildcardInResource =
     require('./wildcards.js').handleWildcardInResource;
 /**
@@ -10,7 +12,7 @@ const handleWildcardInResource =
  * case sensitive
  * @return {boolean} true if match, false if not
  */
-export default function checkArnMatch(policyArn, requestRelativeId, requestArnArr,
+function checkArnMatch(policyArn, requestRelativeId, requestArnArr,
     caseSensitive) {
     const regExofArn = handleWildcardInResource(policyArn);
     // The relativeId is the last part of the ARN (for instance, a bucket and
@@ -45,3 +47,5 @@ export default function checkArnMatch(policyArn, requestRelativeId, requestArnAr
     // If there were matches on all parts of the ARN, return true
     return true;
 }
+
+module.exports = checkArnMatch;