fixup: permchecks requirements

lib/api/apiUtils/authorization/permissionChecks.js

@@ -1,5 +1,6 @@
-const { evaluators, actionMaps, RequestContext } = require('arsenal').policies;
+const { evaluators, actionMaps, RequestContext, requestUtils } = require('arsenal').policies;
 const constants = require('../../../../constants');
+const { config } = require('../../../Config');
 
 const {
     allAuthedUsersId, bucketOwnerActions, logId, publicId,
@@ -230,6 +231,20 @@ function _checkBucketPolicyResources(request, resource, log) {
     return evaluators.isResourceApplicable(requestContext, resource, log);
 }
 
+function _checkBucketPolicyConditions(request, conditions, log) {
+    const ip = request ? requestUtils.getClientIp(request, config) : undefined;
+    if (!conditions) {
+        return true;
+    }
+    // build request context from the request!
+    const requestContext = new RequestContext(request.headers, request.query,
+        request.bucketName, request.objectKey, ip,
+        request.connection.encrypted, request.resourceType, 's3', null, null,
+        null, null, null, null, null, null, null, null, null,
+        request.objectLockRetentionDays);
+    return evaluators.meetConditions(requestContext, conditions, log);
+}
+
 function _getAccountId(arn) {
     // account or user arn is of format 'arn:aws:iam::<12-digit-acct-id>:etc...
     return arn.substr(13, 12);
@@ -287,12 +302,13 @@ function checkBucketPolicy(policy, requestType, canonicalID, arn, bucketOwner, l
         const principalMatch = _checkPrincipals(canonicalID, arn, s.Principal);
         const actionMatch = _checkBucketPolicyActions(requestType, s.Action, log);
         const resourceMatch = _checkBucketPolicyResources(request, s.Resource, log);
+        const conditionsMatch = _checkBucketPolicyConditions(request, s.Condition, log);
 
-        if (principalMatch && actionMatch && resourceMatch && s.Effect === 'Deny') {
+        if (principalMatch && actionMatch && resourceMatch && conditionsMatch && s.Effect === 'Deny') {
             // explicit deny trumps any allows, so return immediately
             return 'explicitDeny';
         }
-        if (principalMatch && actionMatch && resourceMatch && s.Effect === 'Allow') {
+        if (principalMatch && actionMatch && resourceMatch && conditionsMatch && s.Effect === 'Allow') {
             permission = 'allow';
         }
         copiedStatement = copiedStatement.splice(1);

lib/api/bucketPutPolicy.js

@@ -17,8 +17,7 @@ const { BucketPolicy } = models;
 function _checkNotImplementedPolicy(policyString) {
     // bucket names and key names cannot include "", so including those
     // isolates not implemented keys
-    return policyString.includes('"Condition"')
-    || policyString.includes('"Service"')
+    return policyString.includes('"Service"')
         || policyString.includes('"Federated"');
 }
 

tests/unit/api/bucketPutPolicy.js

@@ -78,7 +78,7 @@ describe('putBucketPolicy API', () => {
         });
     });
 
-    it('should return error if policy contains conditions', done => {
+    it.skip('should return error if policy contains conditions', done => {
         expectedBucketPolicy.Statement[0].Condition =
             { StringEquals: { 's3:x-amz-acl': ['public-read'] } };
         bucketPutPolicy(authInfo, getPolicyRequest(expectedBucketPolicy), log,