# -*-python-*- # # Copyright (C) 1999-2013 The ViewCVS Group. All Rights Reserved. # # By using this file, you agree to the terms and conditions set forth in # the LICENSE.html file which can be found at the top level of the ViewVC # distribution or at http://viewvc.org/license-1.html. # # For more information, visit http://viewvc.org/ # # ----------------------------------------------------------------------- # # viewvc: View CVS/SVN repositories via a web browser # # ----------------------------------------------------------------------- __version__ = '1.2-dev-2243' # this comes from our library; measure the startup time import debug debug.t_start('startup') debug.t_start('imports') # standard modules that we know are in the path or builtin import sys import os import calendar import copy import fnmatch import gzip import mimetypes import re import rfc822 import stat import struct import tempfile import time import types import urllib import datetime import locale # These modules come from our library (the stub has set up the path) from common import _item, _RCSDIFF_NO_CHANGES, _RCSDIFF_IS_BINARY, _RCSDIFF_ERROR, TemplateData import accept import config import cvsdb import ezt import popen import sapi import vcauth import vclib import vclib.ccvs import vclib.svn try: import idiff except (SyntaxError, ImportError): idiff = None debug.t_end('imports') ######################################################################### checkout_magic_path = '*checkout*' # According to RFC 1738 the '~' character is unsafe in URLs. # But for compatibility with URLs bookmarked with old releases of ViewCVS: oldstyle_checkout_magic_path = '~checkout~' docroot_magic_path = '*docroot*' viewcvs_mime_type = 'text/vnd.viewcvs-markup' alt_mime_type = 'text/x-cvsweb-markup' view_roots_magic = '*viewroots*' default_mime_type = 'application/octet-stream' # Put here the variables we need in order to hold our state - they # will be added (with their current value) to (almost) any link/query # string you construct. _sticky_vars = [ 'hideattic', 'sortby', 'sortdir', 'logsort', 'diff_format', 'search', 'limit_changes', ] # for reading/writing between a couple descriptors CHUNK_SIZE = 8192 # special characters that don't need to be URL encoded _URL_SAFE_CHARS = "/*~" class Repo: def __init__(self, repos, rootname, auth, rootpath, roottype): self.repos = repos self.rootname = rootname self.auth = auth self.rootpath = rootpath self.roottype = roottype class Request: def __init__(self, server, cfg): self.server = server self.cfg = cfg self.cfg.options.binary_mime_re = re.compile(self.cfg.options.binary_mime_re) self.script_name = _normalize_path(server.getenv('SCRIPT_NAME', '')) self.browser = server.getenv('HTTP_USER_AGENT', 'unknown') # process the Accept-Language: header, and load the key/value # files, given the selected language hal = server.getenv('HTTP_ACCEPT_LANGUAGE','') try: self.lang_selector = accept.language(hal) except accept.AcceptLanguageParseError: self.lang_selector = accept.language('en') self.language = self.lang_selector.select_from(cfg.general.languages) self.kv = cfg.load_kv_files(self.language) # check for an authenticated username self.username = server.getenv('REMOTE_USER') # repository object cache self.all_repos = {} # if we allow compressed output, see if the client does too self.gzip_compress_level = 0 if cfg.options.allow_compress: http_accept_encoding = os.environ.get("HTTP_ACCEPT_ENCODING", "") if "gzip" in filter(None, map(lambda x: x.strip(), http_accept_encoding.split(','))): self.gzip_compress_level = 9 # make this configurable? def utf8(self, value): return self.cfg.guesser().utf8(value) def get_repo(self, rootname): if rootname in self.all_repos: return self.all_repos[rootname] try: r = self.all_repos[rootname] = self.create_repos(rootname) except: r = None return r def create_repos(self, rootname): if not rootname: return None roottype, rootpath, rootname = locate_root(self.cfg, rootname) if roottype: # Setup an Authorizer for this rootname and username authorizer = setup_authorizer(self.cfg, self.username, self.rootname) # Create the repository object if roottype == 'cvs': rootpath = vclib.ccvs.canonicalize_rootpath(rootpath) repos = vclib.ccvs.CVSRepository(rootname, rootpath, authorizer, self.cfg.utilities, self.cfg.options.use_rcsparse, self.cfg.guesser()) elif roottype == 'svn': rootpath = vclib.svn.canonicalize_rootpath(rootpath) repos = vclib.svn.SubversionRepository(rootname, rootpath, authorizer, self.cfg.utilities, self.cfg.options.svn_config_dir) else: return None repos.open() return Repo(repos, rootname, authorizer, rootpath, roottype) return None def run_viewvc(self): cfg = self.cfg # This function first parses the query string and sets the following # variables. Then it executes the request. self.view_func = None # function to call to process the request self.repos = None # object representing current repository self.rootname = None # name of current root (as used in viewvc.conf) self.roottype = None # current root type ('svn' or 'cvs') self.rootpath = None # physical path to current root self.pathtype = None # type of path, either vclib.FILE or vclib.DIR self.where = None # path to file or directory in current root self.query_dict = {} # validated and cleaned up query options self.path_parts = None # for convenience, equals where.split('/') self.pathrev = None # current path revision or tag self.auth = None # authorizer module in use # redirect if we're loading from a valid but irregular URL # These redirects aren't neccessary to make ViewVC work, it functions # just fine without them, but they make it easier for server admins to # implement access restrictions based on URL needs_redirect = 0 # Process the query params for name, values in self.server.params().items(): # we only care about the first value value = values[0] # patch up old queries that use 'cvsroot' to look like they used 'root' if name == 'cvsroot': name = 'root' needs_redirect = 1 # same for 'only_with_tag' and 'pathrev' if name == 'only_with_tag': name = 'pathrev' needs_redirect = 1 # redirect view=rev to view=revision, too if name == 'view' and value == 'rev': value = 'revision' needs_redirect = 1 # validate the parameter _validate_param(name, value) # if we're here, then the parameter is okay self.query_dict[name] = value # Resolve the view parameter into a handler function. self.view_func = _views.get(self.query_dict.get('view', None), self.view_func) # Process PATH_INFO component of query string path_info = self.server.getenv('PATH_INFO', '') # clean it up. this removes duplicate '/' characters and any that may # exist at the front or end of the path. ### we might want to redirect to the cleaned up URL path_parts = _path_parts(path_info) if path_parts: # handle magic path prefixes if path_parts[0] == docroot_magic_path: # if this is just a simple hunk of doc, then serve it up self.where = _path_join(path_parts[1:]) return view_doc(self) elif path_parts[0] in (checkout_magic_path, oldstyle_checkout_magic_path): path_parts.pop(0) self.view_func = view_checkout if not cfg.options.checkout_magic: needs_redirect = 1 # handle tarball magic suffixes if self.view_func is download_tarball: if (self.query_dict.get('parent')): del path_parts[-1] elif path_parts[-1][-7:] == ".tar.gz": path_parts[-1] = path_parts[-1][:-7] # Figure out root name self.rootname = self.query_dict.get('root') if self.rootname == view_roots_magic: del self.query_dict['root'] self.rootname = "" needs_redirect = 1 elif self.rootname is None: if cfg.options.root_as_url_component: if path_parts: self.rootname = path_parts.pop(0) else: self.rootname = "" elif self.view_func != view_roots: self.rootname = cfg.general.default_root elif cfg.options.root_as_url_component: needs_redirect = 1 self.where = _path_join(path_parts) self.path_parts = path_parts if self.rootname: rcr = self.create_repos(self.rootname) if rcr: self.repos = rcr.repos self.rootpath = rcr.rootpath self.auth = rcr.auth # Overlay root-specific options. cfg.overlay_root_options(self.rootname) # Setup an Authorizer for this rootname and username debug.t_start('setup-authorizer') self.auth = setup_authorizer(cfg, self.username) debug.t_end('setup-authorizer') # Create the repository object debug.t_start('select-repos') try: if self.repos.roottype() == 'cvs': self.rootpath = vclib.ccvs.canonicalize_rootpath(rootpath) self.repos = vclib.ccvs.CVSRepository(self.rootname, self.rootpath, self.auth, cfg.utilities, cfg.options.use_rcsparse) # required so that spawned rcs programs correctly expand # $CVSHeader$ os.environ['CVSROOT'] = self.rootpath elif self.repos.roottype() == 'svn': self.rootpath = vclib.svn.canonicalize_rootpath(rootpath) self.repos = vclib.svn.SubversionRepository(self.rootname, self.rootpath, self.auth, cfg.utilities, cfg.options.svn_config_dir) else: raise vclib.ReposNotFound() except vclib.ReposNotFound: pass debug.t_end('select-repos') if self.repos is None: raise debug.ViewVCException( 'The root "%s" is unknown. If you believe the value is ' 'correct, then please double-check your configuration.' % self.rootname, "404 Not Found") if self.repos: debug.t_start('select-repos') self.repos.open() debug.t_end('select-repos') type = self.repos.roottype() if type == vclib.SVN: self.roottype = 'svn' elif type == vclib.CVS: self.roottype = 'cvs' else: raise debug.ViewVCException( 'The root "%s" has an unknown type ("%s"). Expected "cvs" or "svn".' % (self.rootname, type), "500 Internal Server Error") # If this is using an old-style 'rev' parameter, redirect to new hotness. # Subversion URLs will now use 'pathrev'; CVS ones use 'revision'. if self.repos and self.query_dict.has_key('rev'): if self.roottype == 'svn' \ and not self.query_dict.has_key('pathrev') \ and not self.view_func == view_revision: self.query_dict['pathrev'] = self.query_dict['rev'] del self.query_dict['rev'] else: # elif not self.query_dict.has_key('revision'): ? self.query_dict['revision'] = self.query_dict['rev'] del self.query_dict['rev'] needs_redirect = 1 if self.repos and self.view_func is not redirect_pathrev: # If this is an intended-to-be-hidden CVSROOT path, complain. if cfg.options.hide_cvsroot \ and is_cvsroot_path(self.roottype, path_parts): raise debug.ViewVCException("Unknown location: /%s" % self.where, "404 Not Found") # Make sure path exists self.pathrev = pathrev = self.query_dict.get('pathrev') self.pathtype = _repos_pathtype(self.repos, path_parts, pathrev) if self.pathtype is None: # Path doesn't exist, see if it could be an old-style ViewVC URL # with a fake suffix. result = _strip_suffix('.diff', path_parts, pathrev, vclib.FILE, \ self.repos, view_diff) or \ _strip_suffix('.tar.gz', path_parts, pathrev, vclib.DIR, \ self.repos, download_tarball) or \ _strip_suffix('root.tar.gz', path_parts, pathrev, vclib.DIR,\ self.repos, download_tarball) or \ _strip_suffix(self.rootname + '-root.tar.gz', \ path_parts, pathrev, vclib.DIR, \ self.repos, download_tarball) or \ _strip_suffix('root', \ path_parts, pathrev, vclib.DIR, \ self.repos, download_tarball) or \ _strip_suffix(self.rootname + '-root', \ path_parts, pathrev, vclib.DIR, \ self.repos, download_tarball) if result: self.path_parts, self.pathtype, self.view_func = result self.where = _path_join(self.path_parts) needs_redirect = 1 else: raise debug.ViewVCException("Unknown location: /%s" % self.where, "404 Not Found") # If we have an old ViewCVS Attic URL which is still valid, redirect if self.roottype == 'cvs': attic_parts = None if (self.pathtype == vclib.FILE and len(self.path_parts) > 1 and self.path_parts[-2] == 'Attic'): attic_parts = self.path_parts[:-2] + self.path_parts[-1:] elif (self.pathtype == vclib.DIR and len(self.path_parts) > 0 and self.path_parts[-1] == 'Attic'): attic_parts = self.path_parts[:-1] if attic_parts: self.path_parts = attic_parts self.where = _path_join(attic_parts) needs_redirect = 1 if self.view_func is None: # view parameter is not set, try looking at pathtype and the # other parameters if not self.rootname: self.view_func = view_roots elif self.pathtype == vclib.DIR: # ViewCVS 0.9.2 used to put ?tarball=1 at the end of tarball urls if self.query_dict.has_key('tarball'): self.view_func = download_tarball elif self.query_dict.has_key('r1') and self.query_dict.has_key('r2'): self.view_func = view_diff else: self.view_func = view_directory elif self.pathtype == vclib.FILE: if self.query_dict.has_key('r1') and self.query_dict.has_key('r2'): self.view_func = view_diff elif self.query_dict.has_key('annotate'): self.view_func = view_annotate elif self.query_dict.has_key('graph'): if not self.query_dict.has_key('makeimage'): self.view_func = view_cvsgraph else: self.view_func = view_cvsgraph_image elif self.query_dict.has_key('revision') \ or cfg.options.default_file_view != "log": if cfg.options.default_file_view == "markup" \ or self.query_dict.get('content-type', None) \ in (viewcvs_mime_type, alt_mime_type): self.view_func = view_markup else: self.view_func = view_checkout else: self.view_func = view_log # If we've chosen the roots or revision view, our effective # location is not really "inside" the repository, so we have no # path and therefore no path parts or type, either. if self.view_func is view_revision or self.view_func is view_roots: self.where = '' self.path_parts = [] self.pathtype = None # if we have a directory and the request didn't end in "/", then redirect # so that it does. if (self.pathtype == vclib.DIR and path_info[-1:] != '/' and self.view_func is not download_tarball and self.view_func is not redirect_pathrev): needs_redirect = 1 # startup is done now. debug.t_end('startup') # If we need to redirect, do so. Otherwise, handle our requested view. if needs_redirect: self.server.redirect(self.get_url()) else: debug.t_start('view-func') self.view_func(self) debug.t_end('view-func') def get_url(self, escape=0, partial=0, prefix=0, **args): """Constructs a link to another ViewVC page just like the get_link function except that it returns a single URL instead of a URL split into components. If PREFIX is set, include the protocol and server name portions of the URL.""" url, params = apply(self.get_link, (), args) qs = urllib.urlencode(params) if qs: result = urllib.quote(url, _URL_SAFE_CHARS) + '?' + qs else: result = urllib.quote(url, _URL_SAFE_CHARS) if partial: result = result + (qs and '&' or '?') if escape: result = self.server.escape(result) if prefix: result = '%s://%s%s' % \ (self.server.getenv("HTTPS") == "on" and "https" or "http", self.server.getenv("HTTP_HOST"), result) return result def get_form(self, **args): """Constructs a link to another ViewVC page just like the get_link function except that it returns a base URL suitable for use as an HTML form action, and an iterable object with .name and .value attributes representing stuff that should be in tags with the link parameters.""" url, params = apply(self.get_link, (), args) action = self.server.escape(urllib.quote(url, _URL_SAFE_CHARS)) hidden_values = [] for name, value in params.items(): hidden_values.append(_item(name=self.server.escape(name), value=self.server.escape(value))) return action, hidden_values def get_link(self, view_func=None, where=None, pathtype=None, params=None, root=None): """Constructs a link pointing to another ViewVC page. All arguments correspond to members of the Request object. If they are set to None they take values from the current page. Return value is a base URL and a dictionary of parameters""" cfg = self.cfg if view_func is None: view_func = self.view_func if params is None: params = self.query_dict.copy() else: params = params.copy() # must specify both where and pathtype or neither assert (where is None) == (pathtype is None) # if we are asking for the revision info view, we don't need any # path information if (view_func is view_revision or view_func is view_roots or view_func is redirect_pathrev): where = pathtype = None elif where is None: where = self.where pathtype = self.pathtype # no need to add sticky variables for views with no links sticky_vars = not (view_func is view_checkout or view_func is download_tarball) # The logic used to construct the URL is an inverse of the # logic used to interpret URLs in Request.run_viewvc url = self.script_name # add checkout magic if neccessary if view_func is view_checkout and cfg.options.checkout_magic: url = url + '/' + checkout_magic_path # add root to url rootname = root if view_func is not view_roots: if cfg.options.root_as_url_component: # remove root from parameter list if present if params.get('root',None): if not rootname: rootname = params.get('root',None) del params['root'] elif not rootname: rootname = self.rootname # add root path component if rootname is not None: url = url + '/' + rootname else: # add root to parameter list try: rootname = params['root'] except KeyError: rootname = params['root'] = self.rootname # no need to specify default root if rootname == cfg.general.default_root: del params['root'] # add 'pathrev' value to parameter list if (self.pathrev is not None and not params.has_key('pathrev') and view_func is not view_revision and rootname == self.rootname): params['pathrev'] = self.pathrev # add path if where: url = url + '/' + where # add trailing slash for a directory if pathtype == vclib.DIR: url = url + '/' # normalize top level URLs for use in Location headers and A tags elif not url: url = '/' # no need to explicitly specify directory view for a directory if view_func is view_directory and pathtype == vclib.DIR: view_func = None # no need to explicitly specify roots view when in root_as_url # mode or there's no default root if view_func is view_roots and (cfg.options.root_as_url_component or not cfg.general.default_root): view_func = None # no need to explicitly specify annotate view when # there's an annotate parameter if view_func is view_annotate and params.get('annotate') is not None: view_func = None # no need to explicitly specify diff view when # there's r1 and r2 parameters if (view_func is view_diff and params.get('r1') is not None and params.get('r2') is not None): view_func = None # no need to explicitly specify checkout view when it's the default # view or when checkout_magic is enabled if view_func is view_checkout: if ((cfg.options.default_file_view == "co" and pathtype == vclib.FILE) or cfg.options.checkout_magic): view_func = None # no need to explicitly specify markup view when it's the default view if view_func is view_markup: if (cfg.options.default_file_view == "markup" \ and pathtype == vclib.FILE): view_func = None # set the view parameter view_code = _view_codes.get(view_func) if view_code and not (params.has_key('view') and params['view'] is None): params['view'] = view_code # add sticky values to parameter list if sticky_vars: for name in _sticky_vars: value = self.query_dict.get(name) if value is not None and not params.has_key(name): params[name] = value # remove null values from parameter list for name, value in params.items(): if value is None: del params[name] return url, params def _path_parts(path): """Split up a repository path into a list of path components""" # clean it up. this removes duplicate '/' characters and any that may # exist at the front or end of the path. return filter(None, path.split('/')) def _normalize_path(path): """Collapse leading slashes in the script name You only get multiple slashes in the script name when users accidentally type urls like http://abc.com//viewvc.cgi/, but we correct for it because we output the script name in links and web browsers interpret //viewvc.cgi/ as http://viewvc.cgi/ """ i = 0 for c in path: if c != '/': break i = i + 1 if i: return path[i-1:] return path def _validate_param(name, value): """Validate whether the given value is acceptable for the param name. If the value is not allowed, then an error response is generated, and this function throws an exception. Otherwise, it simply returns None. """ # First things first -- check that we have a legal parameter name. try: validator = _legal_params[name] except KeyError: raise debug.ViewVCException( 'An illegal parameter name was provided.', '400 Bad Request') # Is there a validator? Is it a regex or a function? Validate if # we can, returning without incident on valid input. if validator is None: return elif hasattr(validator, 'match'): if validator.match(value): return else: if validator(value): return # If we get here, the input value isn't valid. raise debug.ViewVCException( 'An illegal value was provided for the "%s" parameter.' % (name), '400 Bad Request') def _validate_regex(value): ### we need to watch the flow of these parameters through the system ### to ensure they don't hit the page unescaped. otherwise, these ### parameters could constitute a CSS attack. try: re.compile(value) return True except: return None def _validate_view(value): # Return true iff VALUE is one of our allowed views. return _views.has_key(value) def _validate_mimetype(value): # For security purposes, we only allow mimetypes from a predefined set # thereof. return value in (viewcvs_mime_type, alt_mime_type, 'text/plain') # obvious things here. note that we don't need uppercase for alpha. _re_validate_alpha = re.compile('^[a-z_]+$') _re_validate_number = re.compile('^[0-9]+$') _re_validate_boolint = re.compile('^[01]$') # when comparing two revs, we sometimes construct REV:SYMBOL, so ':' is needed _re_validate_revnum = re.compile('^[-_.a-zA-Z0-9:~\\[\\]/]*$') # date time values _re_validate_datetime = re.compile(r'^(\d\d\d\d-\d\d-\d\d(\s+\d\d:\d\d' '(:\d\d)?)?)?$') # the legal query parameters and their validation functions _legal_params = { 'root' : None, 'view' : _validate_view, 'search' : _validate_regex, 'p1' : None, 'p2' : None, 'hideattic' : _re_validate_boolint, 'limit_changes' : _re_validate_number, 'sortby' : _re_validate_alpha, 'sortdir' : _re_validate_alpha, 'logsort' : _re_validate_alpha, 'diff_format' : _re_validate_alpha, 'pathrev' : _re_validate_revnum, 'dir_pagestart' : _re_validate_number, 'log_pagestart' : _re_validate_number, 'annotate' : _re_validate_revnum, 'graph' : _re_validate_revnum, 'makeimage' : _re_validate_boolint, 'r1' : _re_validate_revnum, 'tr1' : _re_validate_revnum, 'r2' : _re_validate_revnum, 'tr2' : _re_validate_revnum, 'revision' : _re_validate_revnum, 'content-type' : _validate_mimetype, # for cvsgraph 'gflip' : _re_validate_boolint, 'gbbox' : _re_validate_boolint, 'gshow' : _re_validate_alpha, 'gleft' : _re_validate_boolint, 'gmaxtag' : _re_validate_number, # for cvsgraph 'gflip' : _re_validate_boolint, 'gbbox' : _re_validate_boolint, 'gshow' : _re_validate_alpha, 'gleft' : _re_validate_boolint, 'gmaxtag' : _re_validate_number, # for query 'repos' : None, 'repos_match' : _re_validate_alpha, 'repos_type' : None, 'branch' : None, 'branch_match' : _re_validate_alpha, 'dir' : None, 'file' : None, 'file_match' : _re_validate_alpha, 'query_revision': None, 'who' : None, 'who_match' : _re_validate_alpha, 'comment' : None, 'comment_match' : _re_validate_alpha, 'search_content': None, 'querysort' : _re_validate_alpha, 'date' : _re_validate_alpha, 'hours' : _re_validate_number, 'mindate' : _re_validate_datetime, 'maxdate' : _re_validate_datetime, 'format' : _re_validate_alpha, # for redirect_pathrev 'orig_path' : None, 'orig_pathtype' : None, 'orig_pathrev' : None, 'orig_view' : None, # deprecated 'parent' : _re_validate_boolint, 'rev' : _re_validate_revnum, 'tarball' : _re_validate_boolint, 'hidecvsroot' : _re_validate_boolint, # FeedOnFeeds sudo authorization 'fof_sudo' : None, } def _path_join(path_parts): return '/'.join(path_parts) def _strip_suffix(suffix, path_parts, rev, pathtype, repos, view_func): """strip the suffix from a repository path if the resulting path is of the specified type, otherwise return None""" if not path_parts: return None l = len(suffix) if path_parts[-1][-l:] == suffix: path_parts = path_parts[:] if len(path_parts[-1]) == l: del path_parts[-1] else: path_parts[-1] = path_parts[-1][:-l] t = _repos_pathtype(repos, path_parts, rev) if pathtype == t: return path_parts, t, view_func return None def _repos_pathtype(repos, path_parts, rev): """Return the type of a repository path, or None if the path doesn't exist""" try: return repos.itemtype(path_parts, rev) except vclib.ItemNotFound: return None def _orig_path(request, rev_param='revision', path_param=None): "Get original path of requested file at old revision before copies or moves" # The 'pathrev' variable is interpreted by nearly all ViewVC views to # provide a browsable snapshot of a repository at some point in its history. # 'pathrev' is a tag name for CVS repositories and a revision number for # Subversion repositories. It's automatically propagated between pages by # logic in the Request.get_link() function which adds it to links like a # sticky variable. When 'pathrev' is set, directory listings only include # entries that exist in the specified revision or tag. Similarly, log pages # will only show revisions preceding the point in history specified by # 'pathrev.' Markup, checkout, and annotate pages show the 'pathrev' # revision of files by default when no other revision is specified. # # In Subversion repositories, paths are always considered to refer to the # pathrev revision. For example, if there is a "circle.jpg" in revision 3, # which is renamed and modified as "square.jpg" in revision 4, the original # circle image is visible at the following URLs: # # *checkout*/circle.jpg?pathrev=3 # *checkout*/square.jpg?revision=3 # *checkout*/square.jpg?revision=3&pathrev=4 # # Note that the following: # # *checkout*/circle.jpg?rev=3 # # now gets redirected to one of the following URLs: # # *checkout*/circle.jpg?pathrev=3 (for Subversion) # *checkout*/circle.jpg?revision=3 (for CVS) # rev = request.query_dict.get(rev_param, request.pathrev) path = request.query_dict.get(path_param, request.where) if rev is not None and hasattr(request.repos, '_getrev'): try: pathrev = request.repos._getrev(request.pathrev) rev = request.repos._getrev(rev) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision', '404 Not Found') return _path_parts(request.repos.get_location(path, pathrev, rev)), rev return _path_parts(path), rev def setup_authorizer(cfg, username, rootname=None): """Setup the authorizer. If ROOTNAME is provided, assume that per-root options have not been overlayed. Otherwise, assume they have (and fetch the authorizer for the configured root).""" if rootname is None: authorizer = cfg.options.authorizer params = cfg.get_authorizer_params() else: authorizer, params = cfg.get_authorizer_and_params_hack(rootname) # No configured authorizer? No problem. if not authorizer: return None # First, try to load a module with the configured name. import imp fp = None try: try: fp, path, desc = imp.find_module("%s" % (authorizer), vcauth.__path__) my_auth = imp.load_module('viewvc', fp, path, desc) except ImportError: raise debug.ViewVCException( 'Invalid authorizer (%s) specified for root "%s"' \ % (authorizer, rootname), '500 Internal Server Error') finally: if fp: fp.close() # Finally, instantiate our Authorizer. return my_auth.ViewVCAuthorizer(username, params) def check_freshness(request, mtime=None, etag=None, weak=0): cfg = request.cfg # See if we are supposed to disable etags (for debugging, usually) if not cfg.options.generate_etags: return 0 request_etag = request_mtime = None if etag is not None: if weak: etag = 'W/"%s"' % etag else: etag = '"%s"' % etag request_etag = request.server.getenv('HTTP_IF_NONE_MATCH') if mtime is not None: try: request_mtime = request.server.getenv('HTTP_IF_MODIFIED_SINCE') request_mtime = rfc822.mktime_tz(rfc822.parsedate_tz(request_mtime)) except: request_mtime = None # if we have an etag, use that for freshness checking. # if not available, then we use the last-modified time. # if not available, then the document isn't fresh. if etag is not None: isfresh = (request_etag == etag) elif mtime is not None: isfresh = (request_mtime >= mtime) else: isfresh = 0 # require revalidation after the configured amount of time if cfg and cfg.options.http_expiration_time >= 0: expiration = rfc822.formatdate(time.time() + cfg.options.http_expiration_time) request.server.addheader('Expires', expiration) request.server.addheader('Cache-Control', 'must-revalidate, max-age=%d' % cfg.options.http_expiration_time) if isfresh: request.server.header(status='304 Not Modified') else: if etag is not None: request.server.addheader('ETag', etag) if mtime is not None: request.server.addheader('Last-Modified', rfc822.formatdate(mtime)) return isfresh def get_view_template(cfg, view_name, language="en"): # See if the configuration specifies a template for this view. If # not, use the default template path for this view. tname = vars(cfg.templates).get(view_name) or view_name + ".ezt" # Template paths are relative to the configurated template_dir (if # any, "templates" otherwise), so build the template path as such. tname = os.path.join(cfg.options.template_dir or "templates", tname) # Allow per-language template selection. tname = tname.replace('%lang%', language) # Finally, construct the whole template path. tname = cfg.path(tname) debug.t_start('ezt-parse') template = ezt.Template(tname) debug.t_end('ezt-parse') return template def get_writeready_server_file(request, content_type=None, encoding=None, content_length=None, allow_compress=True): """Return a file handle to a response body stream, after outputting any queued special headers (on REQUEST.server) and (optionally) a 'Content-Type' header whose value is CONTENT_TYPE and character set is ENCODING. If CONTENT_LENGTH is provided and compression is not in use, also generate a 'Content-Length' header for this response. Callers my use ALLOW_COMPRESS to disable compression where it would otherwise be allowed. (Such as when transmitting an already-compressed response.) After this function is called, it is too late to add new headers to the response.""" if allow_compress and request.gzip_compress_level: request.server.addheader('Content-Encoding', 'gzip') elif content_length is not None: request.server.addheader('Content-Length', content_length) if content_type and encoding: request.server.header("%s; charset=%s" % (content_type, encoding)) elif content_type: request.server.header(content_type) else: request.server.header() if allow_compress and request.gzip_compress_level: fp = gzip.GzipFile('', 'wb', request.gzip_compress_level, request.server.file()) else: fp = request.server.file() return fp def generate_page(request, view_name, data, content_type=None): server_fp = get_writeready_server_file(request, content_type) template = get_view_template(request.cfg, view_name, request.language) template.generate(server_fp, data) def nav_path(request): """Return current path as list of items with "name" and "href" members The href members are view_directory links for directories and view_log links for files, but are set to None when the link would point to the current view""" if not request.repos: return [] is_dir = request.pathtype == vclib.DIR # add root item items = [] root_item = _item(name=request.server.escape(request.repos.name), href=None) if request.path_parts or request.view_func is not view_directory: root_item.href = request.get_url(view_func=view_directory, where='', pathtype=vclib.DIR, params={}, escape=1) items.append(root_item) # add path part items path_parts = [] for part in request.path_parts: path_parts.append(part) is_last = len(path_parts) == len(request.path_parts) if request.roottype == 'cvs': item = _item(name=request.utf8(part), href=None) else: item = _item(name=part, href=None) if not is_last or (is_dir and request.view_func is not view_directory): item.href = request.get_url(view_func=view_directory, where=_path_join(path_parts), pathtype=vclib.DIR, params={}, escape=1) elif not is_dir and request.view_func is not view_log: item.href = request.get_url(view_func=view_log, where=_path_join(path_parts), pathtype=vclib.FILE, params={}, escape=1) items.append(item) return items def prep_tags(request, tags): url, params = request.get_link(params={'pathrev': None}) params = urllib.urlencode(params) if params: url = urllib.quote(url, _URL_SAFE_CHARS) + '?' + params + '&pathrev=' else: url = urllib.quote(url, _URL_SAFE_CHARS) + '?pathrev=' url = request.server.escape(url) links = [ ] for tag in tags: links.append(_item(name=tag.name, href=url+tag.name)) links.sort(lambda a, b: cmp(a.name, b.name)) return links def guess_mime(filename): return mimetypes.guess_type(filename)[0] def is_viewable_image(mime_type): return mime_type and mime_type in ('image/gif', 'image/jpeg', 'image/png') def is_binary(cfg, mime_type): return mime_type and re.match(cfg.options.binary_mime_re, mime_type) def is_text(mime_type): return not mime_type or mime_type[:5] == 'text/' def is_cvsroot_path(roottype, path_parts): return roottype == 'cvs' and path_parts and path_parts[0] == 'CVSROOT' def is_plain_text(mime_type): return not mime_type or mime_type == 'text/plain' def default_view(mime_type, cfg): "Determine whether file should be viewed through markup page or sent raw" # If the mime type is text/anything or a supported image format we view # through the markup page. If the mime type is something else, we send # it directly to the browser. That way users can see things like flash # animations, pdfs, word documents, multimedia, etc, which wouldn't be # very useful marked up. If the mime type is totally unknown (happens when # we encounter an unrecognized file extension) we also view it through # the markup page since that's better than sending it text/plain. if ('markup' in cfg.options.allowed_views and (is_viewable_image(mime_type) or is_text(mime_type))): return view_markup return view_checkout def is_binary_file_mime_type(mime_type, cfg): """Return True iff MIME_TYPE is set and matches one of the binary file mime type patterns in CFG.""" if mime_type: for pattern in cfg.options.binary_mime_types: if fnmatch.fnmatch(mime_type, pattern): return True return False def get_file_view_info(request, where, rev=None, mime_type=None, pathrev=-1): """Return an object holding common hrefs and a viewability flag used for various views of FILENAME at revision REV whose MIME type is MIME_TYPE. The object's members include: view_href download_href download_text_href annotate_href revision_href prefer_markup """ rev = rev and str(rev) or None mime_type = mime_type or guess_mime(where) if pathrev == -1: # cheesy default value, since we need to preserve None pathrev = request.pathrev view_href = None download_href = None download_text_href = None annotate_href = None revision_href = None if 'markup' in request.cfg.options.allowed_views: view_href = request.get_url(view_func=view_markup, where=where, pathtype=vclib.FILE, params={'revision': rev, 'pathrev': pathrev}, escape=1) if 'co' in request.cfg.options.allowed_views: download_href = request.get_url(view_func=view_checkout, where=where, pathtype=vclib.FILE, params={'revision': rev, 'pathrev': pathrev}, escape=1) if not is_plain_text(mime_type): download_text_href = request.get_url(view_func=view_checkout, where=where, pathtype=vclib.FILE, params={'content-type': 'text/plain', 'revision': rev, 'pathrev': pathrev}, escape=1) if 'annotate' in request.cfg.options.allowed_views: annotate_href = request.get_url(view_func=view_annotate, where=where, pathtype=vclib.FILE, params={'annotate': rev, 'pathrev': pathrev}, escape=1) if request.roottype == 'svn': revision_href = request.get_url(view_func=view_revision, params={'revision': rev}, escape=1) is_binary_file = is_binary_file_mime_type(mime_type, request.cfg) if is_binary_file: download_text_href = annotate_href = view_href = None prefer_markup = False else: prefer_markup = default_view(mime_type, request.cfg) == view_markup return _item(view_href=view_href, download_href=download_href, download_text_href=download_text_href, annotate_href=annotate_href, revision_href=revision_href, prefer_markup=ezt.boolean(prefer_markup)) # Matches URLs _re_rewrite_url = re.compile('((http|https|ftp|file|svn|svn\+ssh)' '(://[-a-zA-Z0-9%.~:_/]+)((\?|\&)' '([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*' '(#([-a-zA-Z0-9%.~:_]+)?)?)') # Matches email addresses _re_rewrite_email = re.compile('([-a-zA-Z0-9_.\+]+)@' '(([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})') _re_rewrites_html = [ [ _re_rewrite_url, r'\1' ] ] # Matches revision references _re_rewrite_svnrevref = re.compile(r'\b(r|rev #?|revision #?)([0-9]+)\b') class ViewVCHtmlFormatterTokens: def __init__(self, tokens): self.tokens = tokens def get_result(self, maxlen=0): """Format the tokens per the registered set of formatters, and limited to MAXLEN visible characters (or unlimited if MAXLEN is 0). Return a 3-tuple containing the formatted result string, the number of visible characters in the result string, and a boolean flag indicating whether or not S was truncated.""" out = '' out_len = 0 for token in self.tokens: chunk, chunk_len = token.converter(token.match, token.userdata, maxlen) out = out + chunk out_len = out_len + chunk_len if maxlen: maxlen = maxlen - chunk_len if maxlen <= 0: return out, out_len, 1 return out, out_len, 0 class ViewVCHtmlFormatter: """Format a string as HTML-encoded output with customizable markup rules, for example turning strings that look like URLs into anchor links. NOTE: While there might appear to be some unused portions of this interface, there is a good chance that there are consumers outside of ViewVC itself that make use of these things. """ def __init__(self): self._formatters = [] def format_url(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as linkified URL, with no more than MAXLEN characters in the non-HTML-tag bits. If MAXLEN is 0, there is no maximum. - the number of non-HTML-tag characters returned. """ s = mobj.group(0) trunc_s = maxlen and s[:maxlen] or s return '%s' % (sapi.escape(s), sapi.escape(trunc_s)), \ len(trunc_s) def format_email(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as linkified email address, with no more than MAXLEN characters in the non-HTML-tag bits. If MAXLEN is 0, there is no maximum. - the number of non-HTML-tag characters returned. """ s = mobj.group(0) trunc_s = maxlen and s[:maxlen] or s return '%s' % (urllib.quote(s), self._entity_encode(trunc_s)), \ len(trunc_s) def format_email_obfuscated(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as an entity-encoded email address, with no more than MAXLEN characters in the non-HTML-tag bits. If MAXLEN is 0, there is no maximum. - the number of non-HTML-tag characters returned. """ s = mobj.group(0) trunc_s = maxlen and s[:maxlen] or s return self._entity_encode(trunc_s), len(trunc_s) def format_email_truncated(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as an HTML-escaped truncated email address of no more than MAXLEN characters. If MAXLEN is 0, there is no maximum. - the number of characters returned. """ s = mobj.group(1) s_len = len(s) if (maxlen == 0) or (s_len < (maxlen - 1)): return self._entity_encode(s) + '@…', s_len + 2 elif s_len < maxlen: return self._entity_encode(s) + '@', s_len + 1 else: trunc_s = mobj.group(1)[:maxlen] return self._entity_encode(trunc_s), len(trunc_s) def format_utf8(self, mobj, userdata, maxlen=0): return userdata(mobj.group(0)) def format_svnrevref(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as an linkified URL to a ViewVC Subversion revision view, with no more than MAXLEN characters in the non-HTML-tag portions. If MAXLEN is 0, there is no maximum. - the number of characters returned. USERDATA is a function that accepts a revision reference and returns a URL to that revision. """ s = mobj.group(0) revref = mobj.group(2) trunc_s = maxlen and s[:maxlen] or s revref_url = userdata(revref) return '%s' % (sapi.escape(revref_url), sapi.escape(trunc_s)), \ len(trunc_s) def format_custom_url(self, mobj, userdata, maxlen=0): """Return a 2-tuple containing: - the text represented by MatchObject MOBJ, formatted as an linkified URL created by substituting match groups 0-9 into USERDATA (which is a format string that uses \N to represent the substitution locations) and with no more than MAXLEN characters in the non-HTML-tag portions. If MAXLEN is 0, there is no maximum. - the number of characters returned. """ format = userdata text = mobj.group(0) url = format for i in range(9): try: repl = mobj.group(i) except: repl = '' url = url.replace('\%d' % (i), repl) trunc_s = maxlen and text[:maxlen] or text return '%s' % (sapi.escape(url), sapi.escape(trunc_s)), \ len(trunc_s) def format_text(self, s, unused, maxlen=0): """Return a 2-tuple containing: - the text S, HTML-escaped, containing no more than MAXLEN characters. If MAXLEN is 0, there is no maximum. - the number of characters returned. """ trunc_s = maxlen and s[:maxlen] or s return sapi.escape(trunc_s), len(trunc_s) def add_formatter(self, regexp, conv, userdata=None): """Register a formatter which finds instances of strings matching REGEXP, and using the function CONV and USERDATA to format them. CONV is a function which accepts three parameters: - the MatchObject which holds the string portion to be formatted, - the USERDATA object, - the maximum number of characters from that string to use for human-readable output (or 0 to indicate no maximum). """ if type(regexp) == type(''): regexp = re.compile(regexp) self._formatters.append([regexp, conv, userdata]) def get_result(self, s, maxlen=0): """Format S per the set of formatters registered with this object, and limited to MAXLEN visible characters (or unlimited if MAXLEN is 0). Return a 3-tuple containing the formatted result string, the number of visible characters in the result string, and a boolean flag indicating whether or not S was truncated. """ return self.tokenize_text(s).get_result(maxlen) def tokenize_text(self, s): """Return a ViewVCHtmlFormatterTokens object containing the tokens created when parsing the string S. Callers can use that object's get_result() function to retrieve HTML-formatted text. """ tokens = [] # We could just have a "while s:" here instead of "for line: while # line:", but for really large log messages with heavy # tokenization, the cost in both performance and memory # consumption of the approach taken was atrocious. for line in s.replace('\r\n', '\n').split('\n'): line = line + '\n' while line: best_match = best_conv = best_userdata = None for test in self._formatters: match = test[0].search(line) # If we find and match and (a) its our first one, or (b) it # matches text earlier than our previous best match, or (c) it # matches text at the same location as our previous best match # but extends to cover more text than that match, then this is # our new best match. # # Implied here is that when multiple formatters match exactly # the same text, the first formatter in the registration list wins. if match \ and ((best_match is None) \ or (match.start() < best_match.start()) or ((match.start() == best_match.start()) \ and (match.end() > best_match.end()))): best_match = match best_conv = test[1] best_userdata = test[2] # If we found a match... if best_match: # ... add any non-matching stuff first, then the matching bit. start = best_match.start() end = best_match.end() if start > 0: tokens.append(_item(match=line[:start], converter=self.format_text, userdata=None)) tokens.append(_item(match=best_match, converter=best_conv, userdata=best_userdata)) line = line[end:] else: # Otherwise, just add the rest of the string. tokens.append(_item(match=line, converter=self.format_text, userdata=None)) line = '' return ViewVCHtmlFormatterTokens(tokens) def _entity_encode(self, s): return ''.join(map(lambda x: '&#%d;' % (ord(x)), s)) class LogFormatter: def __init__(self, request, log): self.request = request self.log = log or '' self.tokens = None self.cache = {} # (maxlen, htmlize) => resulting_log def get(self, maxlen=0, htmlize=1): cfg = self.request.cfg # Prefer the cache. if self.cache.has_key((maxlen, htmlize)): return self.cache[(maxlen, htmlize)] # If we are HTML-izing... if htmlize: # ...and we don't yet have ViewVCHtmlFormatter() object tokens... if not self.tokens: # ... then get them. lf = ViewVCHtmlFormatter() # UTF-8 in CVS messages. if self.request.roottype == 'cvs': lf.add_formatter('.*', lf.format_utf8, self.request.utf8) # Rewrite URLs. lf.add_formatter(_re_rewrite_url, lf.format_url) # Rewrite Subversion revision references. if self.request.roottype == 'svn': def revision_to_url(rev): return self.request.get_url(view_func=view_revision, params={'revision': rev}, escape=1) lf.add_formatter(_re_rewrite_svnrevref, lf.format_svnrevref, revision_to_url) # Rewrite email addresses. if cfg.options.mangle_email_addresses == 2: lf.add_formatter(_re_rewrite_email, lf.format_email_truncated) elif cfg.options.mangle_email_addresses == 1: lf.add_formatter(_re_rewrite_email, lf.format_email_obfuscated) else: lf.add_formatter(_re_rewrite_email, lf.format_email) # Add custom rewrite handling per configuration. for rule in cfg.options.custom_log_formatting: rule = rule.replace('\\:', '\x01') regexp, format = map(lambda x: x.strip(), rule.split(':', 1)) regexp = regexp.replace('\x01', ':') format = format.replace('\x01', ':') lf.add_formatter(re.compile(regexp), lf.format_custom_url, format) # Tokenize the log message. self.tokens = lf.tokenize_text(self.log) # Use our formatter to ... you know ... format. log, log_len, truncated = self.tokens.get_result(maxlen) result_log = log + (truncated and '…' or '') # But if we're not HTML-izing... else: # ...then do much more simplistic transformations as necessary. log = self.log if cfg.options.mangle_email_addresses == 2: log = re.sub(_re_rewrite_email, r'\1@...', log) result_log = maxlen and log[:maxlen] or log # In either case, populate the cache and return the results. self.cache[(maxlen, htmlize)] = result_log return result_log _time_desc = { 1 : 'second', 60 : 'minute', 3600 : 'hour', 86400 : 'day', 604800 : 'week', 2628000 : 'month', 31536000 : 'year', } def get_time_text(request, interval, num): "Get some time text, possibly internationalized." ### some languages have even harder pluralization rules. we'll have to ### deal with those on demand if num == 0: return '' text = _time_desc[interval] if num == 1: attr = text + '_singular' fmt = '%d ' + text else: attr = text + '_plural' fmt = '%d ' + text + 's' try: fmt = getattr(request.kv.i18n.time, attr) except AttributeError: pass return fmt % num def little_time(request): try: return request.kv.i18n.time.little_time except AttributeError: return 'very little time' def html_time(request, secs, extended=0): secs = long(time.time()) - secs if secs < 2: return little_time(request) breaks = _time_desc.keys() breaks.sort() i = 0 while i < len(breaks): if secs < 2 * breaks[i]: break i = i + 1 value = breaks[i - 1] s = get_time_text(request, value, secs / value) if extended and i > 1: secs = secs % value value = breaks[i - 2] ext = get_time_text(request, value, secs / value) if ext: ### this is not i18n compatible. pass on it for now s = s + ', ' + ext return s def common_template_data(request, revision=None, mime_type=None): """Return a TemplateData instance with data dictionary items common to most ViewVC views.""" cfg = request.cfg where = request.where if request.roottype == 'cvs': where = request.utf8(where) where = request.server.escape(where) # Initialize data dictionary members (sorted alphanumerically) data = TemplateData({ 'annotate_href' : None, 'cfg' : cfg, 'vsn' : __version__, 'kv' : request.kv, 'docroot' : cfg.options.docroot is None \ and request.script_name + '/' + docroot_magic_path \ or cfg.options.docroot, 'download_href' : None, 'download_text_href' : None, 'graph_href': None, 'kv' : request.kv, 'lockinfo' : None, 'log_href' : None, 'nav_path' : nav_path(request), 'pathtype' : None, 'prefer_markup' : ezt.boolean(0), 'queryform_href' : None, 'rev' : None, 'revision_href' : None, 'rootname' : request.rootname \ and request.server.escape(request.rootname) or None, 'rootpath' : request.rootpath, 'roots_href' : None, 'roottype' : request.roottype, 'rss_href' : None, 'tarball_href' : None, 'up_href' : None, 'username' : request.username, 'view' : _view_codes[request.view_func], 'view_href' : None, 'vsn' : __version__, 'where' : request.server.escape(request.where), }) rev = revision if not rev: rev = request.query_dict.get('annotate') if not rev: rev = request.query_dict.get('revision') if not rev and request.roottype == 'svn': rev = request.query_dict.get('pathrev') try: data['rev'] = hasattr(request.repos, '_getrev') \ and request.repos._getrev(rev) or rev except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision', '404 Not Found') if request.pathtype == vclib.DIR: data['pathtype'] = 'dir' elif request.pathtype == vclib.FILE: data['pathtype'] = 'file' if request.path_parts: dir = _path_join(request.path_parts[:-1]) data['up_href'] = request.get_url(view_func=view_directory, where=dir, pathtype=vclib.DIR, params={}, escape=1) if 'roots' in cfg.options.allowed_views: data['roots_href'] = request.get_url(view_func=view_roots, escape=1, params={}) if request.pathtype == vclib.FILE: fvi = get_file_view_info(request, request.where, data['rev'], mime_type) data['view_href'] = fvi.view_href data['download_href'] = fvi.download_href data['download_text_href'] = fvi.download_text_href data['annotate_href'] = fvi.annotate_href data['revision_href'] = fvi.revision_href data['prefer_markup'] = fvi.prefer_markup data['log_href'] = request.get_url(view_func=view_log, params={}, escape=1) if request.roottype == 'cvs' and cfg.options.use_cvsgraph: data['graph_href'] = request.get_url(view_func=view_cvsgraph, params={}, escape=1) file_data = request.repos.listdir(request.path_parts[:-1], request.pathrev, {}) def _only_this_file(item): return item.name == request.path_parts[-1] entries = filter(_only_this_file, file_data) if len(entries) == 1: request.repos.dirlogs(request.path_parts[:-1], request.pathrev, entries, {}) data['lockinfo'] = entries[0].lockinfo elif request.pathtype == vclib.DIR: data['view_href'] = request.get_url(view_func=view_directory, params={}, escape=1) if 'tar' in cfg.options.allowed_views: data['tarball_href'] = request.get_url(view_func=download_tarball, params={}, escape=1) if request.roottype == 'svn': data['revision_href'] = request.get_url(view_func=view_revision, params={'revision': data['rev']}, escape=1) data['log_href'] = request.get_url(view_func=view_log, params={}, escape=1) params = {} if request.roottype == 'cvs' and request.pathrev: params['branch'] = request.pathrev data['queryform_href'] = request.get_url(view_func=view_queryform, params=params, escape=1) if is_querydb_nonempty_for_root(request): if request.pathtype == vclib.DIR: par = {'date': 'month', 'format': 'rss'} if request.username and request.cfg.options.authorizer: par['fof_sudo'] = request.username data['rss_href'] = request.get_url(view_func=view_query, params=par, escape=1) elif request.pathtype == vclib.FILE: parts = _path_parts(request.where) where = _path_join(parts[:-1]) par = {'date': 'month', 'format': 'rss', 'file': parts[-1], 'file_match': 'exact'} if request.username and request.cfg.options.authorizer: par['fof_sudo'] = request.username data['rss_href'] = request.get_url(view_func=view_query, where=where, pathtype=request.pathtype, params=par, escape=1) return data def retry_read(src, reqlen=CHUNK_SIZE): while 1: chunk = src.read(CHUNK_SIZE) if not chunk: # need to check for eof methods because the cStringIO file objects # returned by ccvs don't provide them if hasattr(src, 'eof') and src.eof() is None: time.sleep(1) continue return chunk def copy_stream(src, dst, htmlize=0): nch = 0 while 1: chunk = retry_read(src) if not chunk: break nch = nch+1 if htmlize: chunk = sapi.escape(chunk) dst.write(chunk) return nch class MarkupPipeWrapper: """An EZT callback that outputs a filepointer, plus some optional pre- and post- text.""" def __init__(self, fp, pretext=None, posttext=None, htmlize=0): self.fp = fp self.pretext = pretext self.posttext = posttext self.htmlize = htmlize def __call__(self, ctx): if self.pretext: ctx.fp.write(self.pretext) copy_stream(self.fp, ctx.fp, self.htmlize) self.fp.close() if self.posttext: ctx.fp.write(self.posttext) _re_rewrite_escaped_url = re.compile('((http|https|ftp|file|svn|svn\+ssh)' '(://[-a-zA-Z0-9%.~:_/]+)' '((\?|\&amp;|\&|\&)' '([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*' '(#([-a-zA-Z0-9%.~:_]+)?)?)') def markup_escaped_urls(s): # Return a copy of S with all URL references -- which are expected # to be already HTML-escaped -- wrapped in . def _url_repl(match_obj): url = match_obj.group(0) unescaped_url = url.replace("&amp;", "&") return "%s" % (unescaped_url, url) return re.sub(_re_rewrite_escaped_url, _url_repl, s) def detect_encoding(text_block): # Does the TEXT_BLOCK start with a BOM? for bom, encoding in [('\xef\xbb\xbf', 'utf-8'), ('\xff\xfe', 'utf-16'), ('\xfe\xff', 'utf-16be'), ('\xff\xfe\0\0', 'utf-32'), ('\0\0\xfe\xff', 'utf-32be'), ]: if text_block.startswith(bom): return encoding # If no recognized BOM, see if chardet can help us. try: import chardet return chardet.detect(text_block).get('encoding') except: pass # By default ... we have no idea. return None def transcode_text(text, encoding=None): """If ENCODING is provided and not 'utf-8', transcode TEXT from ENCODING to UTF-8.""" if not encoding or encoding == 'utf-8': return text try: return unicode(text, encoding, 'replace').encode('utf-8', 'replace') except: pass return text def markup_stream(request, cfg, blame_data, file_lines, filename, mime_type, encoding, colorize): """Return the contents of a versioned file as a list of vclib.Annotation objects, each representing one line of the file's contents. Use BLAME_DATA as the annotation information for the file if provided. Use FILE_LINES as the lines of file content text themselves. MIME_TYPE is the MIME content type of the file; ENCODING is its character encoding. If COLORIZE is true, attempt to apply syntax coloration to the file contents, and use the HTML-marked-up results as the text in the return vclib.Annotation objects.""" # Nothing to mark up? So be it. if not file_lines: return [] # Determine if we should (and can) use Pygments to highlight our # output. Reasons not to include a) being told not to by the # configuration, b) not being able to import the Pygments modules, # and c) Pygments not having a lexer for our file's format. pygments_lexer = None if colorize: from pygments import highlight from pygments.formatters import HtmlFormatter from pygments.lexers import ClassNotFound, \ get_lexer_by_name, \ get_lexer_for_mimetype, \ get_lexer_for_filename, \ guess_lexer from pygments.lexers._mapping import LEXERS # Hack for shell mime types: LEXERS['BashLexer'] = ('pygments.lexers.other', 'Bash', ('bash', 'sh'), ('*.sh',), ('application/x-sh', 'application/x-shellscript', 'text/x-sh', 'text/x-shellscript')) # First, see if there's a Pygments lexer associated with MIME_TYPE. if mime_type: try: pygments_lexer = get_lexer_for_mimetype(mime_type, encoding=encoding, tabsize=cfg.options.tabsize, stripnl=False) except ClassNotFound: pygments_lexer = None # If we've no lexer thus far, try to find one based on the FILENAME. if not pygments_lexer: try: pygments_lexer = get_lexer_for_filename(filename, encoding=encoding, tabsize=cfg.options.tabsize, stripnl=False) except ClassNotFound: pygments_lexer = None # Still no lexer? If we've reason to believe this is a text # file, try to guess the lexer based on the file's content. if not pygments_lexer and is_text(mime_type) and file_lines: try: pygments_lexer = guess_lexer(file_lines[0]) except ClassNotFound: pygments_lexer = None # Detect encoding by calling chardet ourselves, # to support it in non-highlighting mode if not encoding and cfg.options.detect_encoding: content = ''.join(file_lines) c, encoding = cfg.guesser().guess_charset(content) if encoding: file_lines = c.rstrip('\n').split('\n') else: encoding = 'unknown' # If we aren't highlighting, just return an amalgamation of the # BLAME_DATA (if any) and the FILE_LINES. if not pygments_lexer: # Built output data comprised of marked-up and possibly-transcoded # source text lines wrapped in (possibly dummy) vclib.Annotation # objects. lines = [] for i in range(len(file_lines)): line = file_lines[i] if cfg.options.tabsize > 0: line = line.expandtabs(cfg.options.tabsize) line = markup_escaped_urls(sapi.escape(line)) if blame_data: blame_item = blame_data[i] blame_item.text = line else: blame_item = vclib.Annotation(line, i + 1, None, None, None, None) blame_item.diff_href = None lines.append(blame_item) return lines # If we get here, we're highlighting something. class PygmentsSink: def __init__(self, blame_data): if blame_data: self.has_blame_data = 1 self.blame_data = blame_data else: self.has_blame_data = 0 self.blame_data = [] self.line_no = 0 def write(self, buf): ### FIXME: Don't bank on write() being called once per line buf = markup_escaped_urls(buf.rstrip('\n\r')) if self.has_blame_data: self.blame_data[self.line_no].text = buf else: item = vclib.Annotation(buf, self.line_no + 1, None, None, None, None) item.diff_href = None self.blame_data.append(item) self.line_no = self.line_no + 1 ps = PygmentsSink(blame_data) highlight(''.join(file_lines), pygments_lexer, HtmlFormatter(nowrap=True, classprefix='pygments-', encoding='utf-8'), ps) return ps.blame_data, encoding def make_time_string(date, cfg): """Returns formatted date string in either local time or UTC. The passed in 'date' variable is seconds since epoch. """ if date is None: return None if cfg.options.use_localtime: tm = time.localtime(date) else: tm = time.gmtime(date) if cfg.options.iso8601_timestamps: if cfg.options.use_localtime: if tm[8] and time.daylight: tz = time.altzone else: tz = time.timezone tz = float(tz) / 3600.0 tz = '{0:+06.2f}'.format(tz).replace('.', ':') else: tz = 'Z' return time.strftime('%Y-%m-%dT%H:%M:%S', tm) + tz else: return time.asctime(tm) + ' ' + \ (cfg.options.use_localtime and time.tzname[tm[8]] or 'UTC') def make_rss_time_string(date, cfg): """Returns formatted date string in UTC, formatted for RSS. The passed in 'date' variable is seconds since epoch. """ if date is None: return None loc = locale.setlocale(locale.LC_TIME) if loc.lower() != 'c' and loc.lower()[:2] != 'en': locale.setlocale(locale.LC_TIME, 'C') tm = time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime(date)) + ' UTC' if loc.lower() != 'c' and loc.lower()[:2] != 'en': locale.setlocale(locale.LC_TIME, loc) return tm def make_comma_sep_list_string(items): return string.join(map(lambda x: x.name, items), ', ') def make_comma_sep_list_string(items): return ', '.join(map(lambda x: x.name, items)) def is_undisplayable(val): try: unicode(val) return 0 except: return 1 def get_itemprops(request, path_parts, rev): itemprops = request.repos.itemprops(path_parts, rev) propnames = itemprops.keys() propnames.sort() props = [] for name in propnames: # skip non-utf8 property names if is_undisplayable(name): continue lf = LogFormatter(request, itemprops[name]) value = lf.get(maxlen=0, htmlize=1) undisplayable = is_undisplayable(value) if undisplayable: value = None props.append(_item(name=name, value=value, undisplayable=ezt.boolean(undisplayable))) return props def parse_mime_type(mime_type): mime_parts = map(lambda x: x.strip(), mime_type.split(';')) type_subtype = mime_parts[0].lower() parameters = {} for part in mime_parts[1:]: name, value = part.split('=', 1) parameters[name] = value return type_subtype, parameters def calculate_mime_type(request, path_parts, rev): """Return a 2-tuple carrying the MIME content type and character encoding for the file represented by PATH_PARTS in REV. Use REQUEST for repository access as necessary.""" if not path_parts: return None, None mime_type = encoding = None if request.roottype == 'svn' \ and (not request.cfg.options.svn_ignore_mimetype): try: itemprops = request.repos.itemprops(path_parts, rev) mime_type = itemprops.get('svn:mime-type') if mime_type: mime_type, parameters = parse_mime_type(mime_type) return mime_type, parameters.get('charset') except: pass # FIXME rewrite to use viewvcmagic return guess_mime(path_parts[-1]), None def assert_viewable_filesize(cfg, filesize): if cfg.options.max_filesize_kbytes \ and filesize != -1 \ and filesize > (1024 * cfg.options.max_filesize_kbytes): raise debug.ViewVCException('Display of files larger than %d KB ' 'disallowed by configuration' % (cfg.options.max_filesize_kbytes), '403 Forbidden') def markup_or_annotate(request, is_annotate): cfg = request.cfg path, rev = _orig_path(request, is_annotate and 'annotate' or 'revision') lines = fp = image_src_href = None annotation = 'none' revision = None mime_type, encoding = calculate_mime_type(request, path, rev) if not mime_type or mime_type == default_mime_type: try: fp, revision = request.repos.openfile(path, rev) mime_type = request.cfg.guesser().guess_mime(None, None, fp) fp.close() except: raise # Is this display blocked by 'binary_mime_types' configuration? if is_binary_file_mime_type(mime_type, cfg): raise debug.ViewVCException('Display of binary file content disabled ' 'by configuration', '403 Forbidden') # Is this a viewable image type? if is_viewable_image(mime_type) \ and 'co' in cfg.options.allowed_views: fp, revision = request.repos.openfile(path, rev, {}) fp.close() if check_freshness(request, None, revision, weak=1): return if is_annotate: annotation = 'binary' image_src_href = request.get_url(view_func=view_checkout, params={'revision': rev}, escape=1) # Text type else: filesize = request.repos.filesize(path, rev) # If configuration disallows display of large files, try to honor # that request. assert_viewable_filesize(cfg, filesize) # If this was an annotation request, try to annotate this file. # If something goes wrong, that's okay -- we'll gracefully revert # to a plain markup display. blame_data = None if is_annotate: try: blame_source, revision = request.repos.annotate(path, rev, False) if check_freshness(request, None, revision, weak=1): return # Create BLAME_DATA list from BLAME_SOURCE, adding diff_href # items to each relevant "line". blame_data = [] for item in blame_source: item.diff_href = None if item.prev_rev: item.diff_href = request.get_url(view_func=view_diff, params={'r1': item.prev_rev, 'r2': item.rev}, escape=1, partial=1) blame_data.append(item) annotation = 'annotated' except vclib.NonTextualFileContents: annotation = 'binary' except: annotation = 'error' # Grab the file contents. fp, revision = request.repos.openfile(path, rev, {'cvs_oldkeywords' : 1}) if check_freshness(request, None, revision, weak=1): fp.close() return # If we're limiting by filesize but couldn't pull off the cheap # check above, we'll try to do so line by line here (while # building our file_lines array). if cfg.options.max_filesize_kbytes and filesize == -1: file_lines = [] filesize = 0 while 1: line = fp.readline() if not line: break filesize = filesize + len(line) assert_viewable_filesize(cfg, filesize) file_lines.append(line) else: file_lines = fp.readlines() fp.close() # Do we have a differing number of file content lines and # annotation items? That's no good. Call it an error and don't # bother attempting the annotation display. if blame_data and (len(file_lines) != len(blame_data)): annotation = 'error' blame_data = None # Try to markup the file contents/annotation. If we get an error # and we were colorizing the stream, try once more without the # colorization enabled. colorize = cfg.options.enable_syntax_coloration try: lines, charset = markup_stream(request, cfg, blame_data, file_lines, path[-1], mime_type, encoding, colorize) if mime_type.find(';') < 0: mime_type = mime_type+'; charset='+charset except: if colorize: lines = markup_stream(request, cfg, blame_data, file_lines, path[-1], mime_type, encoding, False) else: raise debug.ViewVCException('Error displaying file contents', '500 Internal Server Error') data = common_template_data(request, revision, mime_type) data.merge(TemplateData({ 'mime_type' : mime_type, 'log' : None, 'date' : None, 'ago' : None, 'author' : None, 'branches' : None, 'tags' : None, 'branch_points' : None, 'changed' : None, 'size' : None, 'state' : None, 'vendor_branch' : None, 'prev' : None, 'orig_path' : None, 'orig_href' : None, 'image_src_href' : image_src_href, 'lines' : lines, 'properties' : get_itemprops(request, path, rev), 'annotation' : annotation, })) if cfg.options.show_log_in_markup: options = { 'svn_latest_log': 1, ### FIXME: Use of this magical value is uncool. 'svn_cross_copies': 1, } revs = request.repos.itemlog(path, revision, vclib.SORTBY_REV, 0, 1, options) entry = revs[-1] lf = LogFormatter(request, entry.log) data['date'] = make_time_string(entry.date, cfg) data['author'] = entry.author data['changed'] = entry.changed data['log'] = lf.get(maxlen=0, htmlize=1) data['size'] = entry.size if entry.date is not None: data['ago'] = html_time(request, entry.date, 1) if request.roottype == 'cvs': branch = entry.branch_number prev = entry.prev or entry.parent data['state'] = entry.dead and 'dead' data['prev'] = prev and prev.string data['vendor_branch'] = ezt.boolean(branch and branch[2] % 2 == 1) ### TODO: Should this be using prep_tags() instead? data['branches'] = make_comma_sep_list_string(entry.branches) data['tags'] = make_comma_sep_list_string(entry.tags) data['branch_points']= make_comma_sep_list_string(entry.branch_points) if path != request.path_parts: orig_path = _path_join(path) data['orig_path'] = orig_path data['orig_href'] = request.get_url(view_func=view_log, where=orig_path, pathtype=vclib.FILE, params={'pathrev': revision}, escape=1) generate_page(request, "file", data) def view_markup(request): if 'markup' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Markup view is disabled', '403 Forbidden') if request.pathtype != vclib.FILE: raise debug.ViewVCException('Unsupported feature: markup view on ' 'directory', '400 Bad Request') markup_or_annotate(request, 0) def view_annotate(request): if 'annotate' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Annotation view is disabled', '403 Forbidden') if request.pathtype != vclib.FILE: raise debug.ViewVCException('Unsupported feature: annotate view on ' 'directory', '400 Bad Request') markup_or_annotate(request, 1) def revcmp(rev1, rev2): rev1 = map(int, rev1.split('.')) rev2 = map(int, rev2.split('.')) return cmp(rev1, rev2) def sort_file_data(file_data, roottype, sortdir, sortby, group_dirs): # convert sortdir into a sign bit s = sortdir == "down" and -1 or 1 # in cvs, revision numbers can't be compared meaningfully between # files, so try to do the right thing and compare dates instead if roottype == "cvs" and sortby == "rev": sortby = "date" def file_sort_cmp(file1, file2, sortby=sortby, group_dirs=group_dirs, s=s): # if we're grouping directories together, sorting is pretty # simple. a directory sorts "higher" than a non-directory, and # two directories are sorted as normal. if group_dirs: if file1.kind == vclib.DIR: if file2.kind == vclib.DIR: # two directories, no special handling. pass else: # file1 is a directory, it sorts first. return -1 elif file2.kind == vclib.DIR: # file2 is a directory, it sorts first. return 1 # we should have data on these. if not, then it is because we requested # a specific tag and that tag is not present on the file. if file1.rev is not None and file2.rev is not None: # sort according to sortby if sortby == 'rev': return s * revcmp(file1.rev, file2.rev) elif sortby == 'date': return s * cmp(file2.date, file1.date) # latest date is first elif sortby == 'log': return s * cmp(file1.log, file2.log) elif sortby == 'author': return s * cmp(file1.author, file2.author) elif file1.rev is not None: return -1 elif file2.rev is not None: return 1 # sort by file name return s * cmp(file1.name, file2.name) file_data.sort(file_sort_cmp) def icmp(x, y): """case insensitive comparison""" return cmp(x.lower(), y.lower()) def view_roots(request): if 'roots' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Root listing view is disabled', '403 Forbidden') # add in the roots for the selection roots = [] allroots = list_roots(request) if len(allroots): rootnames = allroots.keys() rootnames.sort(icmp) for rootname in rootnames: root_path, root_type, lastmod = allroots[rootname] href = request.get_url(view_func=view_directory, where='', pathtype=vclib.DIR, params={'root': rootname}, escape=1) if root_type == vclib.SVN: log_href = request.get_url(view_func=view_log, where='', pathtype=vclib.DIR, params={'root': rootname}, escape=1) else: log_href = None roots.append(_item(name=request.server.escape(rootname), type=root_type, path=root_path, author=lastmod and lastmod.author or None, ago=lastmod and lastmod.ago or None, date=lastmod and lastmod.date or None, log=lastmod and lastmod.log or None, short_log=lastmod and lastmod.short_log or None, rev=lastmod and lastmod.rev or None, href=href, log_href=log_href)) data = common_template_data(request) data.merge(TemplateData({ 'roots' : roots, })) generate_page(request, "roots", data) def view_directory(request): cfg = request.cfg # For Subversion repositories, the revision acts as a weak validator for # the directory listing (to take into account template changes or # revision property changes). if request.roottype == 'svn': try: rev = request.repos._getrev(request.pathrev) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision', '404 Not Found') tree_rev = request.repos.created_rev(request.where, rev) if check_freshness(request, None, str(tree_rev), weak=1): return # List current directory options = {} if request.roottype == 'cvs': hideattic = int(request.query_dict.get('hideattic', cfg.options.hide_attic)) options["cvs_subdirs"] = (cfg.options.show_subdir_lastmod and cfg.options.show_logs) debug.t_start("listdir") file_data = request.repos.listdir(request.path_parts, request.pathrev, options) debug.t_end("listdir") # sort with directories first, and using the "sortby" criteria sortby = request.query_dict.get('sortby', cfg.options.sort_by) or 'file' sortdir = request.query_dict.get('sortdir', 'up') # when paging and sorting by filename, we can greatly improve # performance by "cheating" -- first, we sort (we already have the # names), then we just fetch dirlogs for the needed entries. # however, when sorting by other properties or not paging, we've no # choice but to fetch dirlogs for everything. debug.t_start("dirlogs") if cfg.options.dir_pagesize and sortby == 'file': dirlogs_first = int(request.query_dict.get('dir_pagestart', 0)) if dirlogs_first > len(file_data): dirlogs_first = 0 dirlogs_last = dirlogs_first + cfg.options.dir_pagesize for file in file_data: file.rev = None file.date = None file.log = None file.author = None file.size = None file.lockinfo = None file.dead = None sort_file_data(file_data, request.roottype, sortdir, sortby, cfg.options.sort_group_dirs) # request dirlogs only for the slice of files in "this page" request.repos.dirlogs(request.path_parts, request.pathrev, file_data[dirlogs_first:dirlogs_last], options) else: request.repos.dirlogs(request.path_parts, request.pathrev, file_data, options) sort_file_data(file_data, request.roottype, sortdir, sortby, cfg.options.sort_group_dirs) debug.t_end("dirlogs") # If a regex is specified, build a compiled form thereof for filtering searchstr = None search_re = request.query_dict.get('search', '') if cfg.options.use_re_search and search_re: searchstr = re.compile(search_re) # loop through entries creating rows and changing these values rows = [ ] num_displayed = 0 num_dead = 0 # set some values to be used inside loop where = request.where where_prefix = where and where + '/' debug.t_start("row-building") for file in file_data: row = _item(author=None, log=None, short_log=None, state=None, size=None, log_file=None, log_rev=None, graph_href=None, mime_type=None, date=None, ago=None, view_href=None, log_href=None, revision_href=None, annotate_href=None, download_href=None, download_text_href=None, prefer_markup=ezt.boolean(0)) if request.roottype == 'cvs' and file.absent: continue if cfg.options.hide_errorful_entries and file.errors: continue row.rev = file.rev row.author = file.author row.state = (request.roottype == 'cvs' and file.dead) and 'dead' or '' if file.date is not None: row.date = make_time_string(file.date, cfg) row.ago = html_time(request, file.date) if cfg.options.show_logs: debug.t_start("dirview_logformat") lf = LogFormatter(request, file.log) row.log = lf.get(maxlen=0, htmlize=1) row.short_log = lf.get(maxlen=cfg.options.short_log_len, htmlize=1) debug.t_end("dirview_logformat") row.lockinfo = file.lockinfo row.name = request.server.escape(request.utf8(file.name)) row.anchor = row.name row.pathtype = (file.kind == vclib.FILE and 'file') or \ (file.kind == vclib.DIR and 'dir') row.errors = file.errors if file.kind == vclib.DIR: if cfg.options.hide_cvsroot \ and is_cvsroot_path(request.roottype, request.path_parts + [file.name]): continue row.view_href = request.get_url(view_func=view_directory, where=where_prefix+file.name, pathtype=vclib.DIR, params={}, escape=1) if request.roottype == 'svn': row.revision_href = request.get_url(view_func=view_revision, params={'revision': file.rev}, escape=1) if request.roottype == 'cvs' and file.rev is not None: row.rev = None if cfg.options.show_logs: row.log_file = file.newest_file row.log_rev = file.rev if request.roottype == 'svn': row.log_href = request.get_url(view_func=view_log, where=where_prefix + file.name, pathtype=vclib.DIR, params={}, escape=1) elif file.kind == vclib.FILE: if searchstr is not None: if request.roottype == 'cvs' and (file.errors or file.dead): continue if not search_file(request.repos, request.path_parts + [file.name], request.pathrev, searchstr): continue if request.roottype == 'cvs' and file.dead: num_dead = num_dead + 1 if hideattic: continue num_displayed = num_displayed + 1 file_where = where_prefix + file.name if request.roottype == 'svn': row.size = file.size row.mime_type, encoding = calculate_mime_type(request, _path_parts(file_where), file.rev) fvi = get_file_view_info(request, file_where, file.rev, row.mime_type) row.view_href = fvi.view_href row.download_href = fvi.download_href row.download_text_href = fvi.download_text_href row.annotate_href = fvi.annotate_href row.revision_href = fvi.revision_href row.prefer_markup = fvi.prefer_markup row.log_href = request.get_url(view_func=view_log, where=file_where, pathtype=vclib.FILE, params={}, escape=1) if cfg.options.use_cvsgraph and request.roottype == 'cvs': row.graph_href = request.get_url(view_func=view_cvsgraph, where=file_where, pathtype=vclib.FILE, params={}, escape=1) rows.append(row) debug.t_end("row-building") # Prepare the data that will be passed to the template, based on the # common template data. data = common_template_data(request) data.merge(TemplateData({ 'entries' : rows, 'sortby' : sortby, 'sortdir' : sortdir, 'search_re' : request.server.escape(search_re), 'dir_pagestart' : None, 'sortby_file_href' : request.get_url(params={'sortby': 'file', 'sortdir': None}, escape=1), 'sortby_rev_href' : request.get_url(params={'sortby': 'rev', 'sortdir': None}, escape=1), 'sortby_date_href' : request.get_url(params={'sortby': 'date', 'sortdir': None}, escape=1), 'sortby_author_href' : request.get_url(params={'sortby': 'author', 'sortdir': None}, escape=1), 'sortby_log_href' : request.get_url(params={'sortby': 'log', 'sortdir': None}, escape=1), 'files_shown' : num_displayed, 'num_dead' : num_dead, 'youngest_rev' : None, 'youngest_rev_href' : None, 'selection_form' : None, 'attic_showing' : None, 'show_attic_href' : None, 'hide_attic_href' : None, 'branch_tags': None, 'plain_tags': None, 'properties': get_itemprops(request, request.path_parts, request.pathrev), 'tree_rev' : None, 'tree_rev_href' : None, 'dir_paging_action' : None, 'dir_paging_hidden_values' : [], 'search_re_action' : None, 'search_re_hidden_values' : [], # Populated by paging()/paging_sws() 'picklist' : [], 'picklist_len' : 0, # Populated by pathrev_form() 'pathrev_action' : None, 'pathrev_hidden_values' : [], 'pathrev_clear_action' : None, 'pathrev_clear_hidden_values' : [], 'pathrev' : None, 'lastrev' : None, })) # clicking on sort column reverses sort order if sortdir == 'down': revsortdir = None # 'up' else: revsortdir = 'down' if sortby in ['file', 'rev', 'date', 'log', 'author']: data['sortby_%s_href' % sortby] = request.get_url(params={'sortdir': revsortdir}, escape=1) # CVS doesn't support sorting by rev if request.roottype == "cvs": data['sortby_rev_href'] = None # set cvs-specific fields if request.roottype == 'cvs': plain_tags = options['cvs_tags'] plain_tags.sort(icmp) plain_tags.reverse() data['plain_tags']= plain_tags branch_tags = options['cvs_branches'] branch_tags.sort(icmp) branch_tags.reverse() data['branch_tags']= branch_tags data['attic_showing'] = ezt.boolean(not hideattic) data['show_attic_href'] = request.get_url(params={'hideattic': 0}, escape=1) data['hide_attic_href'] = request.get_url(params={'hideattic': 1}, escape=1) # set svn-specific fields elif request.roottype == 'svn': data['tree_rev'] = tree_rev data['tree_rev_href'] = request.get_url(view_func=view_revision, params={'revision': tree_rev}, escape=1) data['youngest_rev'] = request.repos.get_youngest_revision() data['youngest_rev_href'] = request.get_url(view_func=view_revision, params={}, escape=1) if cfg.options.dir_pagesize: data['dir_paging_action'], data['dir_paging_hidden_values'] = \ request.get_form(params={'dir_pagestart': None}) pathrev_form(request, data) if cfg.options.use_re_search: data['search_re_action'], data['search_re_hidden_values'] = \ request.get_form(params={'search': None}) if cfg.options.dir_pagesize: data['dir_pagestart'] = int(request.query_dict.get('dir_pagestart',0)) data['entries'] = paging(data, 'entries', data['dir_pagestart'], 'name', cfg.options.dir_pagesize) generate_page(request, "directory", data) def paging(data, key, pagestart, local_name, pagesize): # Implement paging # Create the picklist picklist = data['picklist'] = [] for i in range(0, len(data[key]), pagesize): pick = _item(start=None, end=None, count=None, more=ezt.boolean(0)) pick.start = getattr(data[key][i], local_name) pick.count = i pick.page = (i / pagesize) + 1 try: pick.end = getattr(data[key][i+pagesize-1], local_name) except IndexError: pick.end = getattr(data[key][-1], local_name) picklist.append(pick) data['picklist_len'] = len(picklist) # Need to fix # pagestart can be greater than the length of data[key] if you # select a tag or search while on a page other than the first. # Should reset to the first page, this test won't do that every # time that it is needed. # Problem might go away if we don't hide non-matching files when # selecting for tags or searching. if pagestart > len(data[key]): pagestart = 0 pageend = pagestart + pagesize # Slice return data[key][pagestart:pageend] def paging_sws(data, key, pagestart, local_name, pagesize, extra_pages, offset): """Implement sliding window-style paging.""" # Create the picklist last_requested = pagestart + (extra_pages * pagesize) picklist = data['picklist'] = [] has_more = ezt.boolean(0) for i in range(0, len(data[key]), pagesize): pick = _item(start=None, end=None, count=None, more=ezt.boolean(0)) pick.start = getattr(data[key][i], local_name) pick.count = offset + i pick.page = (pick.count / pagesize) + 1 try: pick.end = getattr(data[key][i+pagesize-1], local_name) except IndexError: pick.end = getattr(data[key][-1], local_name) picklist.append(pick) if pick.count >= last_requested: pick.more = ezt.boolean(1) break data['picklist_len'] = len(picklist) first = pagestart - offset # FIXME: first can be greater than the length of data[key] if # you select a tag or search while on a page other than the first. # Should reset to the first page, but this test won't do that every # time that it is needed. Problem might go away if we don't hide # non-matching files when selecting for tags or searching. if first > len(data[key]): pagestart = 0 pageend = first + pagesize # Slice return data[key][first:pageend] def pathrev_form(request, data): lastrev = None if request.roottype == 'svn': data['pathrev_action'], data['pathrev_hidden_values'] = \ request.get_form(view_func=redirect_pathrev, params={'pathrev': None, 'orig_path': request.where, 'orig_pathtype': request.pathtype, 'orig_pathrev': request.pathrev, 'orig_view': _view_codes.get(request.view_func)}) if request.pathrev: youngest = request.repos.get_youngest_revision() lastrev = request.repos.last_rev(request.where, request.pathrev, youngest)[0] if lastrev == youngest: lastrev = None data['pathrev'] = request.pathrev data['lastrev'] = lastrev action, hidden_values = request.get_form(params={'pathrev': lastrev}) if request.roottype != 'svn': data['pathrev_action'] = action data['pathrev_hidden_values'] = hidden_values data['pathrev_clear_action'] = action data['pathrev_clear_hidden_values'] = hidden_values return lastrev def redirect_pathrev(request): assert request.roottype == 'svn' new_pathrev = request.query_dict.get('pathrev') or None path = request.query_dict.get('orig_path', '') pathtype = request.query_dict.get('orig_pathtype') pathrev = request.query_dict.get('orig_pathrev') view = _views.get(request.query_dict.get('orig_view')) youngest = request.repos.get_youngest_revision() # go out of the way to allow revision numbers higher than youngest try: new_pathrev = int(new_pathrev) except ValueError: new_pathrev = youngest except TypeError: pass else: if new_pathrev > youngest: new_pathrev = youngest if _repos_pathtype(request.repos, _path_parts(path), new_pathrev): pathrev = new_pathrev else: pathrev, path = request.repos.last_rev(path, pathrev, new_pathrev) # allow clearing sticky revision by submitting empty string if new_pathrev is None and pathrev == youngest: pathrev = None request.server.redirect(request.get_url(view_func=view, where=path, pathtype=pathtype, params={'pathrev': pathrev})) def view_log(request): cfg = request.cfg diff_format = request.query_dict.get('diff_format', cfg.options.diff_format) pathtype = request.pathtype if pathtype is vclib.DIR: if request.roottype == 'cvs': raise debug.ViewVCException('Unsupported feature: log view on CVS ' 'directory', '400 Bad Request') mime_type = encoding = None else: mime_type, encoding = calculate_mime_type(request, request.path_parts, request.pathrev) options = {} options['svn_show_all_dir_logs'] = 1 ### someday make this optional? options['svn_cross_copies'] = cfg.options.cross_copies logsort = request.query_dict.get('logsort', cfg.options.log_sort) if request.roottype == "svn": sortby = vclib.SORTBY_DEFAULT logsort = None else: if logsort == 'date': sortby = vclib.SORTBY_DATE elif logsort == 'rev': sortby = vclib.SORTBY_REV else: sortby = vclib.SORTBY_DEFAULT first = last = 0 log_pagestart = None if cfg.options.log_pagesize: log_pagestart = int(request.query_dict.get('log_pagestart', 0)) total = cfg.options.log_pagesextra * cfg.options.log_pagesize first = log_pagestart - min(log_pagestart, total) last = log_pagestart + (total + cfg.options.log_pagesize) + 1 show_revs = request.repos.itemlog(request.path_parts, request.pathrev, sortby, first, last - first, options) # selected revision selected_rev = request.query_dict.get('r1') entries = [ ] name_printed = { } for rev in show_revs: entry = _item() entry.rev = rev.string entry.state = (cvs and rev.dead and 'dead') entry.author = rev.author entry.changed = rev.changed entry.date = make_time_string(rev.date, cfg) entry.ago = None if rev.date is not None: entry.ago = html_time(request, rev.date, 1) entry.size = rev.size entry.lockinfo = rev.lockinfo entry.branch_point = None entry.next_main = None entry.orig_path = None entry.copy_path = None lf = LogFormatter(request, rev.log or '') entry.log = lf.get(maxlen=0, htmlize=1) entry.view_href = None entry.download_href = None entry.download_text_href = None entry.annotate_href = None entry.revision_href = None entry.sel_for_diff_href = None entry.diff_to_sel_href = None entry.diff_to_prev_href = None entry.diff_to_branch_href = None entry.diff_to_main_href = None if request.roottype == 'cvs': prev = rev.prev or rev.parent entry.prev = prev and prev.string branch = rev.branch_number entry.vendor_branch = ezt.boolean(branch and branch[2] % 2 == 1) entry.branches = prep_tags(request, rev.branches) entry.tags = prep_tags(request, rev.tags) entry.branch_points = prep_tags(request, rev.branch_points) entry.tag_names = map(lambda x: x.name, rev.tags) if branch and not name_printed.has_key(branch): entry.branch_names = map(lambda x: x.name, rev.branches) name_printed[branch] = 1 else: entry.branch_names = [ ] if rev.parent and rev.parent is not prev and not entry.vendor_branch: entry.branch_point = rev.parent.string # if it's the last revision on a branch then diff against the # last revision on the higher branch (e.g. change is committed and # brought over to -stable) if not rev.next and rev.parent and rev.parent.next: r = rev.parent.next while r.next: r = r.next entry.next_main = r.string elif request.roottype == 'svn': entry.prev = rev.prev and rev.prev.string entry.branches = entry.tags = entry.branch_points = [ ] entry.tag_names = entry.branch_names = [ ] entry.vendor_branch = None if rev.filename != request.where: entry.orig_path = rev.filename entry.copy_path = rev.copy_path entry.copy_rev = rev.copy_rev if entry.orig_path: entry.orig_href = request.get_url(view_func=view_log, where=entry.orig_path, pathtype=vclib.FILE, params={'pathrev': rev.string}, escape=1) if rev.copy_path: entry.copy_href = request.get_url(view_func=view_log, where=rev.copy_path, pathtype=vclib.FILE, params={'pathrev': rev.copy_rev}, escape=1) # view/download links if pathtype is vclib.FILE: fvi = get_file_view_info(request, request.where, rev.string, mime_type) entry.view_href = fvi.view_href entry.download_href = fvi.download_href entry.download_text_href = fvi.download_text_href entry.annotate_href = fvi.annotate_href entry.revision_href = fvi.revision_href entry.prefer_markup = fvi.prefer_markup else: entry.revision_href = request.get_url(view_func=view_revision, params={'revision': rev.string}, escape=1) entry.view_href = request.get_url(view_func=view_directory, where=rev.filename, pathtype=vclib.DIR, params={'pathrev': rev.string}, escape=1) # calculate diff links if selected_rev != entry.rev: entry.sel_for_diff_href = \ request.get_url(view_func=view_log, params={'r1': entry.rev, 'log_pagestart': log_pagestart}, escape=1) if entry.prev is not None: entry.diff_to_prev_href = \ request.get_url(view_func=view_diff, params={'r1': entry.prev, 'r2': entry.rev, 'diff_format': None}, escape=1) if selected_rev and \ selected_rev != str(entry.rev) and \ selected_rev != str(entry.prev) and \ selected_rev != str(entry.branch_point) and \ selected_rev != str(entry.next_main): entry.diff_to_sel_href = \ request.get_url(view_func=view_diff, params={'r1': selected_rev, 'r2': entry.rev, 'diff_format': None}, escape=1) if entry.next_main: entry.diff_to_main_href = \ request.get_url(view_func=view_diff, params={'r1': entry.next_main, 'r2': entry.rev, 'diff_format': None}, escape=1) if entry.branch_point: entry.diff_to_branch_href = \ request.get_url(view_func=view_diff, params={'r1': entry.branch_point, 'r2': entry.rev, 'diff_format': None}, escape=1) # Save our escaping until the end so stuff above works if entry.orig_path: entry.orig_path = request.server.escape(entry.orig_path) if entry.copy_path: entry.copy_path = request.server.escape(entry.copy_path) entries.append(entry) diff_select_action, diff_select_hidden_values = \ request.get_form(view_func=view_diff, params={'r1': None, 'r2': None, 'tr1': None, 'tr2': None, 'diff_format': None}) logsort_action, logsort_hidden_values = \ request.get_form(params={'logsort': None}) data = common_template_data(request) data.merge(TemplateData({ 'default_branch' : None, 'mime_type' : mime_type, 'rev_selected' : selected_rev, 'diff_format' : diff_format, 'logsort' : logsort, 'human_readable' : ezt.boolean(diff_format in ('h', 'l')), 'log_pagestart' : None, 'log_paging_action' : None, 'log_paging_hidden_values' : [], 'entries': entries, 'head_prefer_markup' : ezt.boolean(0), 'head_view_href' : None, 'head_download_href': None, 'head_download_text_href': None, 'head_annotate_href': None, 'tag_prefer_markup' : ezt.boolean(0), 'tag_view_href' : None, 'tag_download_href': None, 'tag_download_text_href': None, 'tag_annotate_href': None, 'diff_select_action' : diff_select_action, 'diff_select_hidden_values' : diff_select_hidden_values, 'logsort_action' : logsort_action, 'logsort_hidden_values' : logsort_hidden_values, 'tags' : [], 'branch_tags' : [], 'plain_tags' : [], # Populated by paging()/paging_sws() 'picklist' : [], 'picklist_len' : 0, # Populated by pathrev_form() 'pathrev_action' : None, 'pathrev_hidden_values' : [], 'pathrev_clear_action' : None, 'pathrev_clear_hidden_values' : [], 'pathrev' : None, 'lastrev' : None, })) lastrev = pathrev_form(request, data) if pathtype is vclib.FILE: if not request.pathrev or lastrev is None: fvi = get_file_view_info(request, request.where, None, mime_type, None) data['head_view_href']= fvi.view_href data['head_download_href']= fvi.download_href data['head_download_text_href']= fvi.download_text_href data['head_annotate_href']= fvi.annotate_href data['head_prefer_markup']= fvi.prefer_markup if request.pathrev and request.roottype == 'cvs': fvi = get_file_view_info(request, request.where, None, mime_type) data['tag_view_href']= fvi.view_href data['tag_download_href']= fvi.download_href data['tag_download_text_href']= fvi.download_text_href data['tag_annotate_href']= fvi.annotate_href data['tag_prefer_markup']= fvi.prefer_markup else: data['head_view_href'] = request.get_url(view_func=view_directory, params={}, escape=1) taginfo = options.get('cvs_tags', {}) tagitems = taginfo.items() tagitems.sort() tagitems.reverse() main = taginfo.get('MAIN') if main: # Default branch may have multiple names so we list them branches = [] for branch in main.aliases: # Don't list MAIN if branch is not main: branches.append(branch) data['default_branch'] = prep_tags(request, branches) for tag, rev in tagitems: if rev.co_rev: data['tags'].append(_item(rev=rev.co_rev.string, name=tag)) if rev.is_branch: data['branch_tags'].append(tag) else: data['plain_tags'].append(tag) if cfg.options.log_pagesize: data['log_paging_action'], data['log_paging_hidden_values'] = \ request.get_form(params={'log_pagestart': None, 'r1': selected_rev, }) data['log_pagestart'] = int(request.query_dict.get('log_pagestart',0)) data['entries'] = paging_sws(data, 'entries', data['log_pagestart'], 'rev', cfg.options.log_pagesize, cfg.options.log_pagesextra, first) generate_page(request, "log", data) def view_checkout(request): cfg = request.cfg if 'co' not in cfg.options.allowed_views: raise debug.ViewVCException('Checkout view is disabled', '403 Forbidden') if request.pathtype != vclib.FILE: raise debug.ViewVCException('Unsupported feature: checkout view on ' 'directory', '400 Bad Request') path, rev = _orig_path(request) fp, revision = request.repos.openfile(path, rev, {}) # The revision number acts as a strong validator. if not check_freshness(request, None, revision): mime_type, encoding = calculate_mime_type(request, path, rev) mime_type = request.query_dict.get('content-type') \ or mime_type \ or 'text/plain' server_fp = get_writeready_server_file(request, mime_type, encoding) copy_stream(fp, server_fp) fp.close() def cvsgraph_make_reqopt(request, cfgname, queryparam, optvalue): # Return a cvsgraph custom option substring bit OPTVALUE based on # CFGNAME's presence in the allowed list of user-configurable # options and QUERYPARAM's presence and boolean interpretation in # the actual request; otherwise, return the empty string for options # that either aren't overridden or aren't allowed to be overridden. if (cfgname in request.cfg.options.allowed_cvsgraph_useropts) \ and (int(request.query_dict.get(queryparam, 0))): return optvalue return '' def cvsgraph_normalize_gshow(request): # Return the effective value of the 'gshow' query parameter, noting # that a missing parameter is the same as gshow=all, and treating a # bogus parameter value as the same as gshow=all, too. gshow = request.query_dict.get('gshow', 'all') if gshow not in ('all', 'inittagged', 'tagged'): gshow = 'all' return gshow def cvsgraph_extraopts(request): # Build a set of -O options for controlling cvsgraph's behavior, # based on what the user has requested and filtered against what the # user is allowed to request. cfg = request.cfg ep = '-O' # Simple mappings of boolean flags ep = ep + cvsgraph_make_reqopt(request, 'invert', 'gflip', ';upside_down=true') ep = ep + cvsgraph_make_reqopt(request, 'branchbox', 'gbbox', ';branch_dupbox=true') ep = ep + cvsgraph_make_reqopt(request, 'rotate', 'gleft', ';left_right=true') # Stripping is a little more complex. if ('show' in request.cfg.options.allowed_cvsgraph_useropts): gshow = cvsgraph_normalize_gshow(request) if gshow == 'inittagged': ep = ep + ';strip_untagged=true' elif gshow == 'tagged': ep = ep + ';strip_untagged=true;strip_first_rev=true' # And tag limitation has a user-supplied value to mess with. if ('limittags' in request.cfg.options.allowed_cvsgraph_useropts) \ and request.query_dict.has_key('gmaxtag'): ep = ep + ';rev_maxtags=' + request.query_dict['gmaxtag'] return ep + ';' def view_cvsgraph_image(request): "output the image rendered by cvsgraph" # this function is derived from cgi/cvsgraphmkimg.cgi cfg = request.cfg if not cfg.options.use_cvsgraph: raise debug.ViewVCException('Graph view is disabled', '403 Forbidden') # If cvsgraph can't find its supporting libraries, uncomment and set # accordingly. Do the same in view_cvsgraph(). #os.environ['LD_LIBRARY_PATH'] = '/usr/lib:/usr/local/lib:/path/to/cvsgraph' rcsfile = request.repos.rcsfile(request.path_parts) fp = popen.popen(cfg.utilities.cvsgraph or 'cvsgraph', ("-c", cfg.path(cfg.options.cvsgraph_conf), "-r", request.repos.rootpath, cvsgraph_extraopts(request), rcsfile), 'rb', 0) copy_stream(fp, get_writeready_server_file(request, 'image/png')) fp.close() def view_cvsgraph(request): "output a page containing an image rendered by cvsgraph" cfg = request.cfg if not cfg.options.use_cvsgraph: raise debug.ViewVCException('Graph view is disabled', '403 Forbidden') # If cvsgraph can't find its supporting libraries, uncomment and set # accordingly. Do the same in view_cvsgraph_image(). #os.environ['LD_LIBRARY_PATH'] = '/usr/lib:/usr/local/lib:/path/to/cvsgraph' imagesrc = request.get_url(view_func=view_cvsgraph_image, escape=1) mime_type = guess_mime(request.where) view = default_view(mime_type, cfg) up_where = _path_join(request.path_parts[:-1]) # Create an image map rcsfile = request.repos.rcsfile(request.path_parts) fp = popen.popen(cfg.utilities.cvsgraph or 'cvsgraph', ("-i", "-c", cfg.path(cfg.options.cvsgraph_conf), "-r", request.repos.rootpath, "-x", "x", "-3", request.get_url(view_func=view_log, params={}, escape=1), "-4", request.get_url(view_func=view, params={'revision': None}, escape=1, partial=1), "-5", request.get_url(view_func=view_diff, params={'r1': None, 'r2': None}, escape=1, partial=1), "-6", request.get_url(view_func=view_directory, where=up_where, pathtype=vclib.DIR, params={'pathrev': None}, escape=1, partial=1), cvsgraph_extraopts(request), rcsfile), 'rb', 0) graph_action, graph_hidden_values = \ request.get_form(view_func=view_cvsgraph, params={}) data = common_template_data(request) data.merge(TemplateData({ 'imagemap' : fp, 'imagesrc' : imagesrc, 'graph_action' : graph_action, 'graph_hidden_values' : graph_hidden_values, 'opt_gflip' : ezt.boolean('invert' in cfg.options.allowed_cvsgraph_useropts), 'opt_gbbox' : ezt.boolean('branchbox' in cfg.options.allowed_cvsgraph_useropts), 'opt_gshow' : ezt.boolean('show' in cfg.options.allowed_cvsgraph_useropts), 'opt_gleft' : ezt.boolean('rotate' in cfg.options.allowed_cvsgraph_useropts), 'opt_gmaxtag' : ezt.boolean('limittags' in cfg.options.allowed_cvsgraph_useropts), 'gflip' : ezt.boolean(int(request.query_dict.get('gflip', 0))), 'gbbox' : ezt.boolean(int(request.query_dict.get('gbbox', 0))), 'gleft' : ezt.boolean(int(request.query_dict.get('gleft', 0))), 'gmaxtag' : request.query_dict.get('gmaxtag', 0), 'gshow' : cvsgraph_normalize_gshow(request), })) generate_page(request, "graph", data) def search_file(repos, path_parts, rev, search_re): """Return 1 iff the contents of the file at PATH_PARTS in REPOS as of revision REV matches regular expression SEARCH_RE.""" # Read in each line of a checked-out file, and then use re.search to # search line. fp = repos.openfile(path_parts, rev, {})[0] matches = 0 while 1: line = fp.readline() if not line: break if search_re.search(line): matches = 1 fp.close() break return matches def view_doc(request): """Serve ViewVC static content locally. Using this avoids the need for modifying the setup of the web server. """ cfg = request.cfg document = request.where filename = cfg.path(os.path.join(cfg.options.template_dir, "docroot", document)) # Stat the file to get content length and last-modified date. try: info = os.stat(filename) except OSError, v: raise debug.ViewVCException('Static file "%s" not available (%s)' % (document, str(v)), '404 Not Found') content_length = str(info[stat.ST_SIZE]) last_modified = info[stat.ST_MTIME] # content_length + mtime makes a pretty good etag. if check_freshness(request, last_modified, "%s-%s" % (content_length, last_modified)): return try: fp = open(filename, "rb") except IOError, v: raise debug.ViewVCException('Static file "%s" not available (%s)' % (document, str(v)), '404 Not Found') if document[-3:] == 'png': mime_type = 'image/png' elif document[-3:] == 'jpg': mime_type = 'image/jpeg' elif document[-3:] == 'gif': mime_type = 'image/gif' elif document[-3:] == 'css': mime_type = 'text/css' else: # assume HTML: mime_type = None copy_stream(fp, get_writeready_server_file(request, mime_type, content_length=content_length)) fp.close() def rcsdiff_date_reformat(date_str, cfg): if date_str is None: return None try: date = vclib.ccvs.cvs_strptime(date_str) except ValueError: return date_str return make_time_string(calendar.timegm(date), cfg) _re_extract_rev = re.compile(r'^[-+*]{3} [^\t]+\t([^\t]+)\t((\d+\.)*\d+)$') _re_extract_info = re.compile(r'@@ \-([0-9]+).*\+([0-9]+).*@@(.*)') class DiffSource: def __init__(self, fp, cfg): self.lines = cfg.guesser().utf8(''.join(fp.readlines())).split('\n') self.lineno = 0 self.cfg = cfg self.line_number = None self.prev_line_number = None # keep track of where we are during an iteration self.idx = -1 self.last = None # these will be set once we start reading self.state = 'no-changes' self.left_col = [ ] self.right_col = [ ] def __getitem__(self, idx): if idx == self.idx: return self.last if idx != self.idx + 1: raise DiffSequencingError() # keep calling _get_row until it gives us something. sometimes, it # doesn't return a row immediately because it is accumulating changes. # when it is out of data, _get_row will raise IndexError. while 1: item = self._get_row() if item: self.idx = idx self.last = item return item def _format_text(self, text): text = text.rstrip('\r\n') if self.cfg.options.tabsize > 0: text = text.expandtabs(self.cfg.options.tabsize) hr_breakable = self.cfg.options.hr_breakable # in the code below, "\x01" will be our stand-in for "&". We don't want # to insert "&" because it would get escaped by sapi.escape(). Similarly, # we use "\x02" as a stand-in for "
" if hr_breakable > 1 and len(text) > hr_breakable: text = re.sub('(' + ('.' * hr_breakable) + ')', '\\1\x02', text) if hr_breakable: # make every other space "breakable" text = text.replace(' ', ' \x01nbsp;') else: text = text.replace(' ', '\x01nbsp;') text = sapi.escape(text) text = text.replace('\x01', '&') text = text.replace('\x02', '\
') return text def _get_row(self): if self.state[:5] == 'flush': item = self._flush_row() if item: return item self.state = 'dump' if self.lineno < len(self.lines): line = self.lines[self.lineno] self.lineno = self.lineno+1 else: line = None if not line: if self.state == 'no-changes': self.state = 'done' return _item(type=_RCSDIFF_NO_CHANGES) # see if there are lines to flush if self.left_col or self.right_col: # move into the flushing state self.state = 'flush-' + self.state return None # nothing more to return raise IndexError if line[:2] == '@@': self.state = 'dump' self.left_col = [ ] self.right_col = [ ] match = _re_extract_info.match(line) self.line_number = int(match.group(2)) - 1 self.prev_line_number = int(match.group(1)) - 1 return _item(type='header', line_info_left=match.group(1), line_info_right=match.group(2), line_info_extra=self._format_text(match.group(3))) if line[0] == '\\': # \ No newline at end of file # Just skip. This code used to move to flush state, but that resulted in # changes being displayed as removals-and-readditions. return None diff_code = line[0] output = self._format_text(line[1:]) if diff_code == '+': if self.state == 'dump': self.line_number = self.line_number + 1 return _item(type='add', right=output, line_number=self.line_number) self.state = 'pre-change-add' self.right_col.append(output) return None if diff_code == '-': self.state = 'pre-change-remove' self.left_col.append(output) return None # early exit to avoid line in if self.left_col or self.right_col: # save the line for processing again later, and move into the # flushing state self.lineno = self.lineno-1 self.state = 'flush-' + self.state return None self.line_number = self.line_number + 1 self.prev_line_number = self.prev_line_number + 1 return _item(type='context', left=output, right=output, line_number=self.line_number) def _flush_row(self): if not self.left_col and not self.right_col: # nothing more to flush return None if self.state == 'flush-pre-change-remove': self.prev_line_number = self.prev_line_number + 1 return _item(type='remove', left=self.left_col.pop(0), line_number=self.prev_line_number) # state == flush-pre-change-add item = _item(type='change', have_left=ezt.boolean(0), have_right=ezt.boolean(0)) if self.left_col: self.prev_line_number = self.prev_line_number + 1 item.have_left = ezt.boolean(1) item.left = self.left_col.pop(0) item.line_number = self.prev_line_number if self.right_col: self.line_number = self.line_number + 1 item.have_right = ezt.boolean(1) item.right = self.right_col.pop(0) item.line_number = self.line_number return item class DiffSequencingError(Exception): pass def diff_parse_headers(fp, diff_type, path1, path2, rev1, rev2, sym1=None, sym2=None): date1 = date2 = log_rev1 = log_rev2 = flag = None header_lines = [] if diff_type == vclib.UNIFIED: f1 = '--- ' f2 = '+++ ' elif diff_type == vclib.CONTEXT: f1 = '*** ' f2 = '--- ' else: f1 = f2 = None # If we're parsing headers, then parse and tweak the diff headers, # collecting them in an array until we've read and handled them all. if f1 and f2: parsing = 1 flag = _RCSDIFF_NO_CHANGES len_f1 = len(f1) len_f2 = len(f2) while parsing: line = fp.readline() if not line: break # Saw at least one line in the stream flag = None if line[:len(f1)] == f1: match = _re_extract_rev.match(line) if match: date1 = match.group(1) log_rev1 = match.group(2) line = '%s%s\t%s\t%s%s\n' % (f1, path1, date1, log_rev1, sym1 and ' ' + sym1 or '') elif line[:len(f2)] == f2: match = _re_extract_rev.match(line) if match: date2 = match.group(1) log_rev2 = match.group(2) line = '%s%s\t%s\t%s%s\n' % (f2, path2, date2, log_rev2, sym2 and ' ' + sym2 or '') parsing = 0 elif line[:3] == 'Bin': flag = _RCSDIFF_IS_BINARY parsing = 0 elif (line.find('not found') != -1 or line.find('illegal option') != -1): flag = _RCSDIFF_ERROR parsing = 0 header_lines.append(line) if (log_rev1 and log_rev1 != rev1): raise debug.ViewVCException('rcsdiff found revision %s, but expected ' 'revision %s' % (log_rev1, rev1), '500 Internal Server Error') if (log_rev2 and log_rev2 != rev2): raise debug.ViewVCException('rcsdiff found revision %s, but expected ' 'revision %s' % (log_rev2, rev2), '500 Internal Server Error') return date1, date2, flag, ''.join(header_lines) def _get_diff_path_parts(request, query_key, rev, base_rev): repos = request.repos if request.query_dict.has_key(query_key): parts = _path_parts(request.query_dict[query_key]) elif request.roottype == 'svn': try: parts = _path_parts(repos.get_location(request.where, repos._getrev(base_rev), repos._getrev(rev))) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid path(s) or revision(s) passed ' 'to diff', '400 Bad Request') except vclib.ItemNotFound: raise debug.ViewVCException('Invalid path(s) or revision(s) passed ' 'to diff', '400 Bad Request') else: parts = request.path_parts return parts def setup_diff(request): query_dict = request.query_dict rev1 = r1 = query_dict['r1'] rev2 = r2 = query_dict['r2'] sym1 = sym2 = None # hack on the diff revisions if r1 == 'text': rev1 = query_dict.get('tr1', None) if not rev1: raise debug.ViewVCException('Missing revision from the diff ' 'form text field', '400 Bad Request') else: idx = r1.find(':') if idx == -1: rev1 = r1 else: rev1 = r1[:idx] sym1 = r1[idx+1:] if r2 == 'text': rev2 = query_dict.get('tr2', None) if not rev2: raise debug.ViewVCException('Missing revision from the diff ' 'form text field', '400 Bad Request') sym2 = '' else: idx = r2.find(':') if idx == -1: rev2 = r2 else: rev2 = r2[:idx] sym2 = r2[idx+1:] if request.roottype == 'svn': try: (rev1, p1) = request.repos.last_rev(request.where, request.pathrev, rev1) (rev2, p2) = request.repos.last_rev(request.where, request.pathrev, rev2) rev1 = str(rev1) rev2 = str(rev2) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision(s) passed to diff', '400 Bad Request') p1 = _get_diff_path_parts(request, 'p1', rev1, request.pathrev) p2 = _get_diff_path_parts(request, 'p2', rev2, request.pathrev) try: if revcmp(rev1, rev2) > 0: rev1, rev2 = rev2, rev1 sym1, sym2 = sym2, sym1 p1, p2 = p2, p1 except ValueError: raise debug.ViewVCException('Invalid revision(s) passed to diff', '400 Bad Request') return p1, p2, rev1, rev2, sym1, sym2 def view_patch(request): if 'diff' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Diff generation is disabled', '403 Forbidden') cfg = request.cfg query_dict = request.query_dict p1, p2, rev1, rev2, sym1, sym2 = setup_diff(request) mime_type1, encoding1 = calculate_mime_type(request, p1, rev1) mime_type2, encoding2 = calculate_mime_type(request, p2, rev2) if is_binary_file_mime_type(mime_type1, cfg) or \ is_binary_file_mime_type(mime_type2, cfg): raise debug.ViewVCException('Display of binary file content disabled ' 'by configuration', '403 Forbidden') # In the absence of a format dictation in the CGI params, we'll let # use the configured diff format, allowing 'c' to mean 'c' and # anything else to mean 'u'. format = query_dict.get('diff_format', cfg.options.diff_format == 'c' and 'c' or 'u') if format == 'c': diff_type = vclib.CONTEXT elif format == 'u': diff_type = vclib.UNIFIED else: raise debug.ViewVCException('Diff format %s not understood' % format, '400 Bad Request') try: fp = request.repos.rawdiff(p1, rev1, p2, rev2, diff_type, diff_options) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid path(s) or revision(s) passed ' 'to diff', '400 Bad Request') path_left = _path_join(p1) path_right = _path_join(p2) date1, date2, flag, headers = diff_parse_headers(fp, diff_type, path_left, path_right, rev1, rev2, sym1, sym2) server_fp = get_writeready_server_file(request, 'text/plain') server_fp.write(headers) copy_stream(fp, server_fp) fp.close() def diff_side_item(request, path_comp, rev, sym): '''Prepare information about left/right side of the diff. Prepare two flavors, for content and for property diffs.''' # TODO: Is the slice necessary, or is limit enough? options = {'svn_show_all_dir_logs': 1} log_entry = request.repos.itemlog(path_comp, rev, vclib.SORTBY_REV, 0, 1, options)[-1] ago = log_entry.date is not None \ and html_time(request, log_entry.date, 1) or None path_joined = _path_join(path_comp) lf = LogFormatter(request, log_entry.log) # Item for property diff: no hrefs, there's no view # to download/annotate property i_prop = _item(log_entry=log_entry, date=make_time_string(log_entry.date, request.cfg), author=log_entry.author, log = lf.get(maxlen=0, htmlize=1), size=log_entry.size, ago=ago, path=path_joined, path_comp=path_comp, rev=rev, tag=sym, view_href=None, download_href=None, download_text_href=None, annotate_href=None, revision_href=None, prefer_markup=ezt.boolean(0)) # Content diff item is based on property diff, with URIs added fvi = get_file_view_info(request, path_joined, rev) i_content = copy.copy(i_prop) i_content.view_href = fvi.view_href i_content.download_href = fvi.download_href i_content.download_text_href = fvi.download_text_href i_content.annotate_href = fvi.annotate_href i_content.revision_href = fvi.revision_href i_content.prefer_markup = fvi.prefer_markup # Property diff item has properties hash, naturally. Content item doesn't. i_content.properties = None i_prop.properties = request.repos.itemprops(path_comp, rev) return i_content, i_prop class DiffDescription: def __init__(self, request): cfg = request.cfg query_dict = request.query_dict self.diff_format = query_dict.get('diff_format', cfg.options.diff_format) self.human_readable = 0 self.hide_legend = 0 self.line_differ = None self.fp_differ = None self.request = request self.context = -1 self.changes = [] if self.diff_format == 'c': self.diff_type = vclib.CONTEXT self.hide_legend = 1 elif self.diff_format == 's': self.diff_type = vclib.SIDE_BY_SIDE self.hide_legend = 1 elif self.diff_format == 'l': self.diff_type = vclib.UNIFIED self.context = 15 self.human_readable = 1 elif self.diff_format == 'f': self.diff_type = vclib.UNIFIED self.context = None self.human_readable = 1 elif self.diff_format == 'h': self.diff_type = vclib.UNIFIED self.human_readable = 1 elif self.diff_format == 'u': self.diff_type = vclib.UNIFIED self.hide_legend = 1 else: raise debug.ViewVCException('Diff format %s not understood' % self.diff_format, '400 Bad Request') # Determine whether idiff is avaialble and whether it could be used. # idiff only supports side-by-side (conditionally) and unified formats, # and is only used if intra-line diffs are requested. if (cfg.options.hr_intraline and idiff and ((self.human_readable and idiff.sidebyside) or (not self.human_readable and self.diff_type == vclib.UNIFIED))): # Override hiding legend for unified format. It is not marked 'human # readable', and it is displayed differently depending on whether # hr_intraline is disabled (displayed as raw diff) or enabled # (displayed as colored). What a royal mess... Issue #301 should # at some time address it; at that time, human_readable and hide_legend # controls should both be merged into one, 'is_colored' or something. self.hide_legend = 0 if self.human_readable: self.line_differ = self._line_idiff_sidebyside self.diff_block_format = 'sidebyside-2' else: self.line_differ = self._line_idiff_unified self.diff_block_format = 'unified' else: if self.human_readable: self.diff_block_format = 'sidebyside-1' self.fp_differ = self._fp_vclib_hr else: self.diff_block_format = 'raw' self.fp_differ = self._fp_vclib_raw def anchor(self, anchor_name): self.changes.append(_item(diff_block_format='anchor', anchor=anchor_name)) def get_content_diff(self, left, right): diff_options = {} if self.context != -1: diff_options['context'] = self.context if self.human_readable: cfg = self.request.cfg diff_options['funout'] = cfg.options.hr_funout diff_options['ignore_white'] = cfg.options.hr_ignore_white diff_options['ignore_keyword_subst'] = \ cfg.options.hr_ignore_keyword_subst self._get_diff(left, right, self._content_lines, self._content_fp, diff_options, None) def get_prop_diff(self, left, right): diff_options = {} if self.context != -1: diff_options['context'] = self.context if self.human_readable: cfg = self.request.cfg diff_options['ignore_white'] = cfg.options.hr_ignore_white for name in self._uniq(left.properties.keys() + right.properties.keys()): # Skip non-utf8 property names if is_undisplayable(name): continue val_left = left.properties.get(name, '') val_right = right.properties.get(name, '') # Skip non-changed properties if val_left == val_right: continue # Check for binary properties if is_undisplayable(val_left) or is_undisplayable(val_right): self.changes.append(_item(left=left, right=right, diff_block_format=self.diff_block_format, changes=[ _item(type=_RCSDIFF_IS_BINARY) ], propname=name)) continue self._get_diff(left, right, self._prop_lines, self._prop_fp, diff_options, name) def _get_diff(self, left, right, get_lines, get_fp, diff_options, propname): if self.fp_differ is not None: fp = get_fp(left, right, propname, diff_options) changes = self.fp_differ(left, right, fp, propname) else: lines_left = get_lines(left, propname) lines_right = get_lines(right, propname) changes = self.line_differ(lines_left, lines_right, diff_options) self.changes.append(_item(left=left, right=right, changes=changes, diff_block_format=self.diff_block_format, propname=propname)) def _line_idiff_sidebyside(self, lines_left, lines_right, diff_options): return idiff.sidebyside(lines_left, lines_right, diff_options.get("context", 5)) def _line_idiff_unified(self, lines_left, lines_right, diff_options): return idiff.unified(lines_left, lines_right, diff_options.get("context", 2)) def _fp_vclib_hr(self, left, right, fp, propname): date1, date2, flag, headers = \ diff_parse_headers(fp, self.diff_type, self._property_path(left, propname), self._property_path(right, propname), left.rev, right.rev, left.tag, right.tag) if flag is not None: return [ _item(type=flag) ] else: return DiffSource(fp, self.request.cfg) def _fp_vclib_raw(self, left, right, fp, propname): date1, date2, flag, headers = \ diff_parse_headers(fp, self.diff_type, self._property_path(left, propname), self._property_path(right, propname), left.rev, right.rev, left.tag, right.tag) if flag is not None: return _item(type=flag) else: return _item(type='raw', raw=MarkupPipeWrapper(fp, self.request.server.escape(headers), None, 1)) def _content_lines(self, side, propname): f = self.request.repos.openfile(side.path_comp, side.rev, {})[0] try: lines = f.readlines() finally: f.close() return lines def _content_fp(self, left, right, propname, diff_options): return self.request.repos.rawdiff(left.path_comp, left.rev, right.path_comp, right.rev, self.diff_type, diff_options) def _prop_lines(self, side, propname): val = side.properties.get(propname, '') return val.splitlines() def _prop_fp(self, left, right, propname, diff_options): fn_left = self._temp_file(left.properties.get(propname)) fn_right = self._temp_file(right.properties.get(propname)) diff_args = vclib._diff_args(self.diff_type, diff_options) info_left = self._property_path(left, propname), \ left.log_entry.date, left.rev info_right = self._property_path(right, propname), \ right.log_entry.date, right.rev return vclib._diff_fp(fn_left, fn_right, info_left, info_right, self.request.cfg.utilities.diff or 'diff', diff_args) def _temp_file(self, val): '''Create a temporary file with content from val''' fn = tempfile.mktemp() fp = open(fn, "wb") if val: fp.write(val) fp.close() return fn def _uniq(self, lst): '''Determine unique set of list elements''' h = {} for e in lst: h[e] = 1 return sorted(h.keys()) def _property_path(self, side, propname): '''Return path to be displayed in raw diff - possibly augmented with property name''' if propname is None: return side.path else: return "%s:property(%s)" % (side.path, propname) def view_diff(request): if 'diff' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Diff generation is disabled', '403 Forbidden') cfg = request.cfg p1, p2, rev1, rev2, sym1, sym2 = setup_diff(request) mime_type1, encoding1 = calculate_mime_type(request, p1, rev1) mime_type2, encoding2 = calculate_mime_type(request, p2, rev2) if is_binary_file_mime_type(mime_type1, cfg) or \ is_binary_file_mime_type(mime_type2, cfg): raise debug.ViewVCException('Display of binary file content disabled ' 'by configuration', '403 Forbidden') # since templates are in use and subversion allows changes to the dates, # we can't provide a strong etag if check_freshness(request, None, '%s-%s' % (rev1, rev2), weak=1): return left_side_content, left_side_prop = diff_side_item(request, p1, rev1, sym1) right_side_content, right_side_prop = diff_side_item(request, p2, rev2, sym2) desc = DiffDescription(request) try: if request.pathtype == vclib.FILE: # Get file content diff desc.anchor("content") desc.get_content_diff(left_side_content, right_side_content) # Get property list and diff each property desc.anchor("properties") desc.get_prop_diff(left_side_prop, right_side_prop) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid path(s) or revision(s) passed ' 'to diff', '400 Bad Request') no_format_params = request.query_dict.copy() no_format_params['diff_format'] = None diff_format_action, diff_format_hidden_values = \ request.get_form(params=no_format_params) data = common_template_data(request) data.merge(TemplateData({ 'diffs' : desc.changes, 'diff_format' : desc.diff_format, 'hide_legend' : ezt.boolean(desc.hide_legend), 'patch_href' : request.get_url(view_func=view_patch, params=no_format_params, escape=1), 'diff_format_action' : diff_format_action, 'diff_format_hidden_values' : diff_format_hidden_values, })) generate_page(request, "diff", data) def generate_tarball_header(out, name, size=0, mode=None, mtime=0, uid=0, gid=0, typeflag=None, linkname='', uname='viewvc', gname='viewvc', devmajor=1, devminor=0, prefix=None, magic='ustar', version='00', chksum=None): if not mode: if name[-1:] == '/': mode = 0755 else: mode = 0644 if not typeflag: if linkname: typeflag = '2' # symbolic link elif name[-1:] == '/': typeflag = '5' # directory else: typeflag = '0' # regular file if not prefix: prefix = '' # generate a GNU tar extension header for a long name. if len(name) >= 100: generate_tarball_header(out, '././@LongLink', len(name), 0, 0, 0, 0, 'L') out.write(name) out.write('\0' * (511 - ((len(name) + 511) % 512))) # generate a GNU tar extension header for a long symlink name. if len(linkname) >= 100: generate_tarball_header(out, '././@LongLink', len(linkname), 0, 0, 0, 0, 'K') out.write(linkname) out.write('\0' * (511 - ((len(linkname) + 511) % 512))) block1 = struct.pack('100s 8s 8s 8s 12s 12s', name, '%07o' % mode, '%07o' % uid, '%07o' % gid, '%011o' % size, '%011o' % mtime) block2 = struct.pack('c 100s 6s 2s 32s 32s 8s 8s 155s', typeflag, linkname, magic, version, uname, gname, '%07o' % devmajor, '%07o' % devminor, prefix) if not chksum: dummy_chksum = ' ' block = block1 + dummy_chksum + block2 chksum = 0 for i in range(len(block)): chksum = chksum + ord(block[i]) block = block1 + struct.pack('8s', '%07o' % chksum) + block2 block = block + '\0' * (512 - len(block)) out.write(block) def generate_tarball(out, request, reldir, stack, dir_mtime=None): # get directory info from repository rep_path = request.path_parts + reldir entries = request.repos.listdir(rep_path, request.pathrev, {}) request.repos.dirlogs(rep_path, request.pathrev, entries, {}) entries.sort(lambda a, b: cmp(a.name, b.name)) # figure out corresponding path in tar file. everything gets put underneath # a single top level directory named after the repository directory being # tarred if request.path_parts: tar_dir = request.path_parts[-1] + '/' else: tar_dir = request.rootname + '/' if reldir: tar_dir = tar_dir + _path_join(reldir) + '/' cvs = request.roottype == 'cvs' # If our caller doesn't dictate a datestamp to use for the current # directory, its datestamps will be the youngest of the datestamps # of versioned items in that subdirectory. We'll be ignoring dead # or busted items and, in CVS, subdirs. if dir_mtime is None: dir_mtime = 0 for file in entries: if cvs and (file.kind != vclib.FILE or file.rev is None or file.dead): continue if (file.date is not None) and (file.date > dir_mtime): dir_mtime = file.date # Push current directory onto the stack. stack.append(tar_dir) # If this is Subversion, we generate a header for this directory # regardless of its contents. For CVS it will only get into the # tarball if it has files underneath it, which we determine later. if not cvs: generate_tarball_header(out, tar_dir, mtime=dir_mtime) # Run through the files in this directory, skipping busted and # unauthorized ones. for file in entries: if file.kind != vclib.FILE: continue if cvs and (file.rev is None or file.dead): continue # If we get here, we've seen at least one valid file in the # current directory. For CVS, we need to make sure there are # directory parents to contain it, so we flush the stack. if cvs: for dir in stack: generate_tarball_header(out, dir, mtime=dir_mtime) del stack[:] # Calculate the mode for the file. Sure, we could look directly # at the ,v file in CVS, but that's a layering violation we'd like # to avoid as much as possible. if request.repos.isexecutable(rep_path + [file.name], request.pathrev): mode = 0755 else: mode = 0644 # Is this thing a symlink? # ### FIXME: A better solution would be to have vclib returning ### symlinks with a new vclib.SYMLINK path type. symlink_target = None if hasattr(request.repos, 'get_symlink_target'): symlink_target = request.repos.get_symlink_target(rep_path + [file.name], request.pathrev) # If the object is a symlink, generate the appropriate header. # Otherwise, we're dealing with a regular file. if symlink_target: generate_tarball_header(out, tar_dir + file.name, 0, mode, file.date is not None and file.date or 0, typeflag='2', linkname=symlink_target) else: filesize = request.repos.filesize(rep_path + [file.name], request.pathrev) if filesize == -1: # Bummer. We have to calculate the filesize manually. fp = request.repos.openfile(rep_path + [file.name], request.pathrev, {})[0] filesize = 0 while 1: chunk = retry_read(fp) if not chunk: break filesize = filesize + len(chunk) fp.close() # Write the tarball header... generate_tarball_header(out, tar_dir + file.name, filesize, mode, file.date is not None and file.date or 0) # ...the file's contents ... fp = request.repos.openfile(rep_path + [file.name], request.pathrev, {})[0] while 1: chunk = retry_read(fp) if not chunk: break out.write(chunk) fp.close() # ... and then add the block padding. out.write('\0' * (511 - (filesize + 511) % 512)) # Recurse into subdirectories, skipping busted and unauthorized (or # configured-to-be-hidden) ones. for file in entries: if file.errors or file.kind != vclib.DIR: continue if request.cfg.options.hide_cvsroot \ and is_cvsroot_path(request.roottype, rep_path + [file.name]): continue mtime = request.roottype == 'svn' and file.date or None generate_tarball(out, request, reldir + [file.name], stack, mtime) # Pop the current directory from the stack. del stack[-1:] def download_tarball(request): cfg = request.cfg if 'tar' not in request.cfg.options.allowed_views: raise debug.ViewVCException('Tarball generation is disabled', '403 Forbidden') # If debugging, we just need to open up the specified tar path for # writing. Otherwise, we get a writeable server output stream -- # disabling any default compression thereupon -- and wrap that in # our own gzip stream wrapper. if debug.TARFILE_PATH: fp = open(debug.TARFILE_PATH, 'w') else: tarfile = request.rootname if request.path_parts: tarfile = "%s-%s" % (tarfile, request.path_parts[-1]) request.server.addheader('Content-Disposition', 'attachment; filename="%s.tar.gz"' % (tarfile)) server_fp = get_writeready_server_file(request, 'application/x-gzip', allow_compress=False) request.server.flush() fp = gzip.GzipFile('', 'wb', 9, server_fp) ### FIXME: For Subversion repositories, we can get the real mtime of the ### top-level directory here. generate_tarball(fp, request, [], []) fp.write('\0' * 1024) fp.close() if debug.TARFILE_PATH: request.server.header('') print """

Tarball '%s' successfully generated!

""" % (debug.TARFILE_PATH) def view_revision(request): if request.roottype != "svn": raise debug.ViewVCException("Revision view not supported for CVS " "repositories at this time.", "400 Bad Request") cfg = request.cfg query_dict = request.query_dict try: rev = request.repos._getrev(query_dict.get('revision')) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision', '404 Not Found') youngest_rev = request.repos.get_youngest_revision() # The revision number acts as a weak validator (but we tell browsers # not to cache the youngest revision). if rev != youngest_rev and check_freshness(request, None, str(rev), weak=1): return # Fetch the revision information. date, author, msg, revprops, changes = request.repos.revinfo(rev) date_str = make_time_string(date, cfg) # Fix up the revprops list (rather like get_itemprops()). propnames = revprops.keys() propnames.sort() props = [] for name in propnames: # skip non-utf8 property names if is_undisplayable(name): continue lf = LogFormatter(request, revprops[name]) value = lf.get(maxlen=0, htmlize=1) # note non-utf8 property values undisplayable = is_undisplayable(value) if undisplayable: value = None props.append(_item(name=name, value=value, undisplayable=ezt.boolean(undisplayable))) # Sort the changes list by path. def changes_sort_by_path(a, b): return cmp(a.path_parts, b.path_parts) changes.sort(changes_sort_by_path) # Handle limit_changes parameter cfg_limit_changes = cfg.options.limit_changes limit_changes = int(query_dict.get('limit_changes', cfg_limit_changes)) more_changes = None more_changes_href = None first_changes = None first_changes_href = None num_changes = len(changes) if limit_changes and len(changes) > limit_changes: more_changes = len(changes) - limit_changes params = query_dict.copy() params['limit_changes'] = 0 more_changes_href = request.get_url(params=params, escape=1) changes = changes[:limit_changes] elif cfg_limit_changes and len(changes) > cfg_limit_changes: first_changes = cfg_limit_changes params = query_dict.copy() params['limit_changes'] = None first_changes_href = request.get_url(params=params, escape=1) # Add the hrefs, types, and prev info for change in changes: change.view_href = change.diff_href = change.type = change.log_href = None # If the path is newly added, don't claim text or property # modifications. if (change.action == vclib.ADDED or change.action == vclib.REPLACED) \ and not change.copied: change.text_changed = 0 change.props_changed = 0 # Calculate the view link URLs (for which we must have a pathtype). if change.pathtype: view_func = None if change.pathtype is vclib.FILE \ and 'markup' in cfg.options.allowed_views: view_func = view_markup elif change.pathtype is vclib.DIR: view_func = view_directory path = _path_join(change.path_parts) base_path = _path_join(change.base_path_parts) if change.action == vclib.DELETED: link_rev = str(change.base_rev) link_where = base_path else: link_rev = str(rev) link_where = path change.view_href = request.get_url(view_func=view_func, where=link_where, pathtype=change.pathtype, params={'pathrev' : link_rev}, escape=1) change.log_href = request.get_url(view_func=view_log, where=link_where, pathtype=change.pathtype, params={'pathrev' : link_rev}, escape=1) if (change.pathtype is vclib.FILE and change.text_changed) \ or change.props_changed: change.diff_href = request.get_url(view_func=view_diff, where=path, pathtype=change.pathtype, params={'pathrev' : str(rev), 'r1' : str(rev), 'r2' : str(change.base_rev), }, escape=1) # use same variable names as the log template change.path = _path_join(change.path_parts) change.copy_path = _path_join(change.base_path_parts) change.copy_rev = change.base_rev change.text_mods = ezt.boolean(change.text_changed) change.prop_mods = ezt.boolean(change.props_changed) change.is_copy = ezt.boolean(change.copied) change.pathtype = (change.pathtype == vclib.FILE and 'file') \ or (change.pathtype == vclib.DIR and 'dir') \ or None del change.path_parts del change.base_path_parts del change.base_rev del change.text_changed del change.props_changed del change.copied prev_rev_href = next_rev_href = None if rev > 0: prev_rev_href = request.get_url(view_func=view_revision, where=None, pathtype=None, params={'revision': str(rev - 1)}, escape=1) if rev < request.repos.get_youngest_revision(): next_rev_href = request.get_url(view_func=view_revision, where=None, pathtype=None, params={'revision': str(rev + 1)}, escape=1) jump_rev_action, jump_rev_hidden_values = \ request.get_form(params={'revision': None}) lf = LogFormatter(request, msg) data = common_template_data(request) data.merge(TemplateData({ 'rev' : str(rev), 'author' : author, 'date' : date_str, 'log' : lf.get(maxlen=0, htmlize=1), 'properties' : props, 'ago' : date is not None and html_time(request, date, 1) or None, 'changes' : changes, 'prev_href' : prev_rev_href, 'next_href' : next_rev_href, 'num_changes' : num_changes, 'limit_changes': limit_changes, 'more_changes': more_changes, 'more_changes_href': more_changes_href, 'first_changes': first_changes, 'first_changes_href': first_changes_href, 'jump_rev_action' : jump_rev_action, 'jump_rev_hidden_values' : jump_rev_hidden_values, 'revision_href' : request.get_url(view_func=view_revision, where=None, pathtype=None, params={'revision': str(rev)}, escape=1), })) if rev == youngest_rev: request.server.addheader("Cache-control", "must-revalidate, no-store") generate_page(request, "revision", data) def is_query_supported(request): """Returns true if querying is supported for the given path.""" return request.cfg.cvsdb.enabled def is_querydb_nonempty_for_root(request): """Return 1 iff commits database integration is supported *and* the current root is found in that database. Only does this check if check_database is set to 1.""" if request.cfg.cvsdb.enabled and request.roottype in ['cvs', 'svn']: if request.cfg.cvsdb.check_database_for_root: global cvsdb import cvsdb db = cvsdb.ConnectDatabaseReadOnly(request.cfg, request) repos_root, repos_dir = cvsdb.FindRepository(db, request.rootpath) if repos_root: return 1 else: return 1 return 0 def validate_query_args(request): # Do some additional input validation of query form arguments beyond # what is offered by the CGI param validation loop in Request.run_viewvc(). for arg_base in ['branch', 'file', 'comment', 'who']: # First, make sure the the XXX_match args have valid values: arg_match = arg_base + '_match' arg_match_value = request.query_dict.get(arg_match, 'exact') if not arg_match_value in ('exact', 'like', 'glob', 'regex', 'notregex'): raise debug.ViewVCException( 'An illegal value was provided for the "%s" parameter.' % (arg_match), '400 Bad Request') # Now, for those args which are supposed to be regular expressions (per # their corresponding XXX_match values), make sure they are. if arg_match_value == 'regex' or arg_match_value == 'notregex': arg_base_value = request.query_dict.get(arg_base) if arg_base_value: try: re.compile(arg_base_value) except: raise debug.ViewVCException( 'An illegal value was provided for the "%s" parameter.' % (arg_base), '400 Bad Request') def view_queryform(request): if not is_query_supported(request): raise debug.ViewVCException('Can not query project root "%s" at "%s".' % (request.rootname, request.where), '403 Forbidden') # Do some more precise input validation. validate_query_args(request) query_action, query_hidden_values = \ request.get_form(view_func=view_query, params={'limit_changes': None}) limit_changes = \ int(request.query_dict.get('limit_changes', request.cfg.options.limit_changes)) repos = request.query_dict.get('repos', '') repos_match = request.query_dict.get('repos_match', 'exact') if not repos: repos = request.rootpath repos_match = 'exact' if request.rootpath: dir_href = request.get_url(view_func=view_directory, params={}, escape=1) else: dir_href = request.get_url(view_func=view_roots, params={}, escape=1) def escaped_query_dict_get(itemname, itemdefault=''): return request.server.escape(request.query_dict.get(itemname, itemdefault)) data = common_template_data(request) data.merge(TemplateData({ 'repos' : request.server.escape(repos), 'repos_match' : request.server.escape(repos_match), 'repos_type' : escaped_query_dict_get('repos_type', ''), 'query_revision' : escaped_query_dict_get('query_revision', ''), 'search_content' : escaped_query_dict_get('search_content', ''), 'branch' : escaped_query_dict_get('branch', ''), 'branch_match' : escaped_query_dict_get('branch_match', 'exact'), 'dir' : escaped_query_dict_get('dir', ''), 'file' : escaped_query_dict_get('file', ''), 'file_match' : escaped_query_dict_get('file_match', 'exact'), 'who' : escaped_query_dict_get('who', ''), 'who_match' : escaped_query_dict_get('who_match', 'exact'), 'comment' : escaped_query_dict_get('comment', ''), 'comment_match' : escaped_query_dict_get('comment_match', 'exact'), 'querysort' : escaped_query_dict_get('querysort', 'date'), 'date' : escaped_query_dict_get('date', 'week'), 'hours' : escaped_query_dict_get('hours', '2'), 'mindate' : escaped_query_dict_get('mindate', ''), 'maxdate' : escaped_query_dict_get('maxdate', ''), 'query_action' : query_action, 'query_hidden_values' : query_hidden_values, 'limit_changes' : limit_changes, 'dir_href' : dir_href, 'enable_search_content' : request.cfg.cvsdb.index_content, })) generate_page(request, "query_form", data) def parse_date(datestr): """Parse a date string from the query form.""" match = re.match(r'^(\d\d\d\d)-(\d\d)-(\d\d)(?:\ +' '(\d\d):(\d\d)(?::(\d\d))?)?$', datestr) if match: year = int(match.group(1)) month = int(match.group(2)) day = int(match.group(3)) hour = match.group(4) if hour is not None: hour = int(hour) else: hour = 0 minute = match.group(5) if minute is not None: minute = int(minute) else: minute = 0 second = match.group(6) if second is not None: second = int(second) else: second = 0 # return a "seconds since epoch" value assuming date given in UTC tm = (year, month, day, hour, minute, second, 0, 0, 0) return calendar.timegm(tm) else: return None def english_query(request): """Generate a sentance describing the query.""" cfg = request.cfg ret = [ 'Checkins ' ] dir = request.query_dict.get('dir', '') if dir: ret.append('to ') if ',' in dir: ret.append('subdirectories') else: ret.append('subdirectory') ret.append(' %s ' % request.server.escape(dir)) file = request.query_dict.get('file', '') if file: if len(ret) != 1: ret.append('and ') ret.append('to file %s ' % request.server.escape(file)) who = request.query_dict.get('who', '') branch = request.query_dict.get('branch', '') if branch: ret.append('on branch %s ' % request.server.escape(branch)) else: ret.append('on all branches ') comment = request.query_dict.get('comment', '') if comment: ret.append('with comment %s ' % request.server.escape(comment)) if who: ret.append('by %s ' % request.server.escape(who)) date = request.query_dict.get('date', 'hours') if date == 'hours': ret.append('in the last %s hours' \ % request.server.escape(request.query_dict.get('hours', '2'))) elif date == 'day': ret.append('in the last day') elif date == 'week': ret.append('in the last week') elif date == 'month': ret.append('in the last month') elif date == 'all': ret.append('since the beginning of time') elif date == 'explicit': mindate = request.query_dict.get('mindate', '') maxdate = request.query_dict.get('maxdate', '') if mindate and maxdate: w1, w2 = 'between', 'and' else: w1, w2 = 'since', 'before' if mindate: mindate = make_time_string(parse_date(mindate), cfg) ret.append('%s %s ' % (w1, mindate)) if maxdate: maxdate = make_time_string(parse_date(maxdate), cfg) ret.append('%s %s ' % (w2, maxdate)) return ''.join(ret) def prev_rev(rev): """Returns a string representing the previous revision of the argument.""" r = rev.split('.') # decrement final revision component r[-1] = str(int(r[-1]) - 1) # prune if we pass the beginning of the branch if len(r) > 2 and r[-1] == '0': r = r[:-2] return '.'.join(r) def rev_cmp(rev1, rev2): """Compares two revision numbers rev1 and rev2""" r1 = string.split(str(rev1), '.') r2 = string.split(str(rev2), '.') l = max(map(lambda s: len(s), r1 + r2)) f = '%%0%ds' % (l) rev1 = '.'.join(map(lambda s: f % (s), r1)) rev2 = '.'.join(map(lambda s: f % (s), r2)) return cmp(rev1, rev2) def path_prev_cmp(a, b): ap = a.path_prev if ap is None: ap = a.path bp = b.path_prev if bp is None: bp = b.path return cmp(ap, bp) def build_commit(request, files, max_files, dir_strip, format): """Return a commit object build from the information in FILES, or None if no allowed files are present in the set. DIR_STRIP is the path prefix to remove from the commit object's set of files. If MAX_FILES is non-zero, it is used to limit the number of files returned in the commit object. FORMAT is the requested output format of the query request.""" cfg = request.cfg author = files[0].GetAuthor() date = files[0].GetTime() desc = files[0].GetDescription() commit_rev = files[0].GetRevision() len_strip = len(dir_strip) commit_files = [] num_allowed = 0 plus_count = 0 minus_count = 0 found_unreadable = 0 for f in files: dirname = f.GetDirectory() filename = f.GetFile() if dir_strip: assert dirname[:len_strip] == dir_strip assert len(dirname) == len_strip or dirname[len(dir_strip)] == '/' dirname = dirname[len_strip+1:] where = dirname and ("%s/%s" % (dirname, filename)) or filename rev = f.GetRevision() rev_prev = prev_rev(rev) commit_time = f.GetTime() if commit_time: commit_time = make_time_string(commit_time, cfg) change_type = f.GetTypeString() # Check path access (since the commits database logic bypasses the # vclib layer and, thus, the vcauth stuff that layer uses). my_repos = request.get_repo(f.GetRepository()) if not my_repos: return None if my_repos.roottype == 'cvs': # we store UTF8 in the DB # FIXME maybe also store "real" non-UTF8 filesystem path in the DB instead of having such setting? try: where = where.decode('utf-8').encode(cfg.options.cvs_ondisk_charset) except: raise Exception("Invalid string encoding: "+where) path_parts = _path_parts(where) # In CVS, we can actually look at deleted revisions; in Subversion # we can't -- we'll look at the previous revision instead. exam_rev = rev if my_repos.roottype == 'svn' and change_type == 'Remove': exam_rev = rev_prev if path_parts: # Skip files in CVSROOT if asked to hide such. if cfg.options.hide_cvsroot \ and is_cvsroot_path(my_repos.roottype, path_parts): found_unreadable = 1 continue # We have to do a rare authz check here because this data comes # from the CVSdb, not from the vclib providers. # # WARNING: The Subversion CVSdb integration logic is weak, weak, # weak. It has no ability to track copies, so complex # situations like a copied directory with a deleted subfile (all # in the same revision) are very ... difficult. We've no choice # but to omit as unauthorized paths the authorization logic # can't find. try: readable = vclib.check_path_access(my_repos.repos, path_parts, None, exam_rev) except vclib.ItemNotFound: readable = 0 if not readable: found_unreadable = 1 continue if my_repos.roottype == 'svn': params = { 'pathrev': exam_rev } else: params = { 'revision': exam_rev, 'pathrev': f.GetBranch() or None } dir_href = request.get_url(root=my_repos.rootname, view_func=view_directory, where=dirname, pathtype=vclib.DIR, params=params, escape=1) log_href = request.get_url(root=my_repos.rootname, view_func=view_log, where=where, pathtype=vclib.FILE, params=params, escape=1) diff_href = view_href = download_href = None if 'markup' in cfg.options.allowed_views: view_href = request.get_url(root=my_repos.rootname, view_func=view_markup, where=where, pathtype=vclib.FILE, params=params, escape=1) if 'co' in cfg.options.allowed_views: download_href = request.get_url(root=my_repos.rootname, view_func=view_checkout, where=where, pathtype=vclib.FILE, params=params, escape=1) path_prev = None if change_type == 'Add' and my_repos.roottype == 'svn': try: rev_prev, path_prev = my_repos.repos.last_rev(where, int(rev), int(rev_prev)) if int(rev_prev) == int(rev): path_prev = None except: path_prev = None if change_type == 'Change' or change_type == 'Add' and path_prev is not None: diff_href_params = params.copy() diff_href_params.update({ 'r1': rev_prev, 'r2': rev, 'diff_format': None }) diff_href = request.get_url(root=my_repos.rootname, view_func=view_diff, where=where, pathtype=vclib.FILE, params=diff_href_params, escape=1) mime_type, encoding = calculate_mime_type(request, path_parts, exam_rev) prefer_markup = ezt.boolean(default_view(mime_type, cfg) == view_markup) # Update plus/minus line change count. plus = int(f.GetPlusCount()) minus = int(f.GetMinusCount()) plus_count = plus_count + plus minus_count = minus_count + minus num_allowed = num_allowed + 1 if max_files and num_allowed > max_files: continue commit_files.append(_item( date=commit_time, dir=request.server.escape(dirname), file=request.server.escape(filename), author=request.server.escape(f.GetAuthor()), rev=rev, branch=f.GetBranch(), plus=plus, minus=minus, type=change_type, snippet=f.GetSnippet(), dir_href=dir_href, log_href=log_href, view_href=view_href, download_href=download_href, prefer_markup=prefer_markup, diff_href=diff_href, root=my_repos, path=where, path_prev=path_prev, )) # No files survived authz checks? Let's just pretend this # little commit didn't happen, shall we? if not len(commit_files): return None # Sort items lexicographically and group moved files commit_files.sort(path_prev_cmp) commit = _item(num_files=len(commit_files), files=commit_files, plus=plus_count, minus=minus_count) commit.limited_files = ezt.boolean(num_allowed > len(commit_files)) # We'll mask log messages in commits which contain unreadable paths, # but even that is kinda iffy. If a person searches for # '/some/hidden/path' across log messages, then gets a response set # that shows commits lacking log message, said person can reasonably # assume that the log messages contained the hidden path, and that # this is likely because they are referencing a real path in the # repository -- a path the user isn't supposed to even know about. if found_unreadable: commit.log = None commit.short_log = None else: lf = LogFormatter(request, desc) htmlize = (format != 'rss') commit.log = lf.get(maxlen=0, htmlize=htmlize) commit.short_log = lf.get(maxlen=cfg.options.short_log_len, htmlize=htmlize) commit.author = request.server.escape(author) commit.rss_date = make_rss_time_string(date, request.cfg) if my_repos.roottype == 'svn': commit.rev = commit_rev commit.rss_url = '%s://%s%s' % \ (request.server.getenv("HTTPS") == "on" and "https" or "http", request.server.getenv("HTTP_HOST"), request.get_url(root=my_repos.rootname, view_func=view_revision, params={'revision': commit.rev}, escape=1)) else: commit.rev = None commit.rss_url = None return commit def query_backout(request, commits): server_fp = get_writeready_server_file(request, 'text/plain') if not commits: server_fp.write("""\ # No changes were selected by the query. # There is nothing to back out. """) return server_fp.write("""\ # This page can be saved as a shell script and executed. # It should be run at the top of your work area. It will update # your working copy to back out the changes selected by the # query. """) for commit in commits: for fileinfo in commit.files: if request.roottype == 'cvs': server_fp.write('cvs update -j %s -j %s %s/%s\n' % (fileinfo.rev, prev_rev(fileinfo.rev), fileinfo.dir, fileinfo.file)) elif request.roottype == 'svn': server_fp.write('svn merge -r %s:%s %s/%s\n' % (fileinfo.rev, prev_rev(fileinfo.rev), fileinfo.dir, fileinfo.file)) def query_is_unsecure_patch(request, commits): if not commits: return None mr = {} lr = {} for commit in commits: for fileinfo in commit.files: fn = _path_join([fileinfo.root.rootname, fileinfo.dir, fileinfo.file]) if mr.get(fn, ''): pr = mr[fn] if fileinfo.root.roottype == 'svn': pr = lr[fileinfo.root.rootname] pr = prev_rev(pr) if rev_cmp(pr, fileinfo.rev) > 0: return True if fileinfo.root.roottype == 'svn': lr[fileinfo.root.rootname] = fileinfo.rev mr[fn] = fileinfo.rev return None def query_patch(request, commits): request.server.header('text/x-diff') if not commits: print '# No changes were selected by the query.' print '# There is nothing to show in the patch.' return files = {} rev = '' for commit in commits: for fileinfo in commit.files: fn = _path_join([fileinfo.dir, fileinfo.file]) rev = files.get(fn, '') if not rev: files[fn] = [ fileinfo.rev, fileinfo.rev, fileinfo.root ] elif rev_cmp(rev[0], fileinfo.rev) > 0: files[fn] = [ fileinfo.rev, rev[1], rev[2] ] server_fp = get_writeready_server_file(request, 'text/plain') for file in files.keys(): rev1 = prev_rev(files[file][0]) rev2 = files[file][1] repos = files[file][2].repos roottype = files[file][2].roottype if roottype == 'svn': try: rev1 = repos._getrev(rev1) rev2 = repos._getrev(rev2) except vclib.InvalidRevision: raise debug.ViewVCException('Invalid revision(s) passed to diff', '400 Bad Request') server_fp.write('Index: %s\n===================================================================\n' % (file)) try: rdate1, _, _, _ = repos.revinfo(rev1) rdate2, _, _, _ = repos.revinfo(rev2) rdate1 = datetime.date.fromtimestamp(rdate1).strftime(' %Y/%m/%d %H:%M:%S') rdate2 = datetime.date.fromtimestamp(rdate2).strftime(' %Y/%m/%d %H:%M:%S') except vclib.UnsupportedFeature: rdate1 = '' rdate2 = '' pr = rev2 try: if roottype == 'svn': p2 = _path_parts(repos.get_location(file, rev2, rev2)) else: p2 = _path_parts(file) fd, fr = repos.openfile(p2, rev2) if not fd or rev2 != fr: raise vclib.ItemNotFound(p2) if fd: fd.close() except vclib.ItemNotFound: # file removed at rev2 p2 = None pr = prev_rev(str(rev2)) try: if roottype == 'svn': trev1, p1 = repos.last_rev(file, pr, rev1) if trev1 > rev1: p1 = None else: p1 = _path_parts(repos.get_location(p1, rev1, rev1)) else: p1 = _path_parts(file) fd, fr = repos.openfile(p1, rev1) if fd: fd.close() rev1 = fr else: rev1 = '0' if rev_cmp(rev1, rev2) >= 0: # file added at rev2 p1 = None except: p1 = None try: fp = repos.rawdiff(p1, rev1, p2, rev2, vclib.UNIFIED) nc = copy_stream(fp, server_fp, request.cfg) if not nc and p1 and p2 and _path_join(p1) != _path_join(p2): server_fp.write('--- %s%s\t%s\n' % (_path_join(p1), rdate1, rev1)) server_fp.write('+++ %s%s\t%s\n' % (_path_join(p2), rdate2, rev2)) fp.close() except: pass def view_query(request): if not is_query_supported(request): raise debug.ViewVCException('Can not query project root "%s" at "%s".' % (request.rootname, request.where), '403 Forbidden') cfg = request.cfg # Do some more precise input validation. validate_query_args(request) # get form data repos_root = request.query_dict.get('repos', '') repos_root_t = repos_root repos_match = request.query_dict.get('repos_match', 'exact') repos_type = request.query_dict.get('repos_type', '') branch = request.query_dict.get('branch', '') branch_match = request.query_dict.get('branch_match', 'exact') dir = request.query_dict.get('dir', '') file = request.query_dict.get('file', '') file_match = request.query_dict.get('file_match', 'exact') query_revision = request.query_dict.get('query_revision', '') who = request.query_dict.get('who', '') who_match = request.query_dict.get('who_match', 'exact') comment = request.query_dict.get('comment', '') comment_match = request.query_dict.get('comment_match', 'fulltext') search_content = request.query_dict.get('search_content', '') querysort = request.query_dict.get('querysort', 'date') date = request.query_dict.get('date', 'hours') hours = request.query_dict.get('hours', '2') mindate = request.query_dict.get('mindate', '') maxdate = request.query_dict.get('maxdate', '') format = request.query_dict.get('format') limit_changes = int(request.query_dict.get('limit_changes', cfg.options.limit_changes)) match_types = { 'exact':1, 'like':1, 'glob':1, 'regex':1, 'notregex':1 } sort_types = { 'date':1, 'date_rev':1, 'author':1, 'file':1, 'relevance':1 } date_types = { 'hours':1, 'day':1, 'week':1, 'month':1, 'all':1, 'explicit':1 } # if file includes '/' character and file_match is exact, # then split file to file and dir overriding dir from query if file_match == 'exact' and file.find('/') >= 0: (dir, file) = file.rsplit('/', 1) # parse various fields, validating or converting them if not match_types.has_key(branch_match): branch_match = 'exact' if not match_types.has_key(file_match): file_match = 'exact' if not match_types.has_key(who_match): who_match = 'exact' if not match_types.has_key(comment_match): comment_match = 'fulltext' if not sort_types.has_key(querysort): querysort = 'date' if not date_types.has_key(date): date = 'hours' mindate = parse_date(mindate) maxdate = parse_date(maxdate) global cvsdb import cvsdb db = cvsdb.ConnectDatabaseReadOnly(cfg, request) repos_dir = [] if not repos_root and request.rootpath: repos_root, repos_dir = cvsdb.FindRepository(db, request.rootpath) # create the database query from the form data query = cvsdb.CreateCheckinQuery() if repos_root: query.SetRepository(repos_root, repos_match) elif repos_type == 'cvs' or repos_type == 'svn': # select only CVS/SVN repositories all = list_roots(request) re = [] for r in all.keys(): if all[r][1] == repos_type: re.append(all[r][0]) if len(re) > 0: query.SetRepository(re, 'in') # treat "HEAD" specially ... if branch_match == 'exact' and branch == 'HEAD': query.SetBranch('') elif branch: query.SetBranch(branch, branch_match) if dir: for subdir in dir.split(','): path = (_path_join(repos_dir + request.path_parts + _path_parts(subdir.strip()))) query.SetDirectory(path, 'exact') query.SetDirectory('%s/%%' % cvsdb.EscapeLike(path), 'like') else: where = _path_join(repos_dir + request.path_parts) if where: # if we are in a subdirectory ... query.SetDirectory(where, 'exact') query.SetDirectory('%s/%%' % cvsdb.EscapeLike(where), 'like') if file: query.SetFile(file, file_match) if query_revision: query.SetRevision(query_revision) if who: query.SetAuthor(who, who_match) if comment: if comment_match != 'fulltext': query.SetComment(comment, comment_match) else: query.SetTextQuery(comment) if search_content: query.SetContentQuery(search_content) query.SetSortMethod(querysort) if date == 'hours': query.SetFromDateHoursAgo(int(hours)) elif date == 'day': query.SetFromDateDaysAgo(1) elif date == 'week': query.SetFromDateDaysAgo(7) elif date == 'month': query.SetFromDateDaysAgo(31) elif date == 'all': pass elif date == 'explicit': if mindate is not None: query.SetFromDateObject(mindate) if maxdate is not None: query.SetToDateObject(maxdate) # Set the admin-defined (via configuration) row limits. This is to avoid # slamming the database server with a monster query. if format == 'rss': query.SetLimit(cfg.cvsdb.rss_row_limit) else: query.SetLimit(cfg.cvsdb.row_limit) # run the query db.RunQuery(query) commit_list = query.GetCommitList() row_limit_reached = query.GetLimitReached() # gather commits commits = [] plus_count = 0 minus_count = 0 mod_time = -1 if commit_list: files = [] limited_files = 0 current_desc = commit_list[0].GetDescriptionID() current_rev = commit_list[0].GetRevision() current_repo = commit_list[0].GetRepository() dir_strip = _path_join(repos_dir) for commit in commit_list: commit_desc = commit.GetDescriptionID() commit_rev = commit.GetRevision() commit_repo = commit.GetRepository() # base modification time on the newest commit if commit.GetTime() > mod_time: mod_time = commit.GetTime() # For CVS, group commits with the same commit message. # For Subversion, group them only if they have the same revision number if request.roottype == 'cvs': if current_repo == commit_repo and current_desc == commit_desc: files.append(commit) continue else: if current_repo == commit_repo and current_rev == commit_rev: files.append(commit) continue # append this grouping commit_item = build_commit(request, files, limit_changes, dir_strip, format) if commit_item: # update running plus/minus totals plus_count = plus_count + commit_item.plus minus_count = minus_count + commit_item.minus commits.append(commit_item) files = [ commit ] limited_files = 0 current_desc = commit_desc current_rev = commit_rev current_repo = commit_repo # we need to tack on our last commit grouping, if any commit_item = build_commit(request, files, limit_changes, dir_strip, format) if commit_item: # update running plus/minus totals plus_count = plus_count + commit_item.plus minus_count = minus_count + commit_item.minus commits.append(commit_item) # only show the branch column if we are querying all branches # or doing a non-exact branch match on a CVS repository. show_branch = ezt.boolean(request.roottype == 'cvs' and (branch == '' or branch_match != 'exact')) # backout link params = request.query_dict.copy() params['format'] = 'backout' backout_href = request.get_url(params=params, escape=1) # patch link params = request.query_dict.copy() params['format'] = 'patch' patch_href = request.get_url(params=params, escape=1) # rss link params = request.query_dict.copy() params['format'] = 'rss' if request.username and request.cfg.options.authorizer: params['fof_sudo'] = request.username rss_href = request.get_url(params=params, escape=1) # rss params = request.query_dict.copy() if 'format' in params: del params['format'] rss_link_href = request.get_url(params=params, escape=1, prefix=1) # look only in... links params = request.query_dict.copy() params['repos_type'] = 'cvs' lookcvs_href = request.get_url(params=params, escape=1) params['repos_type'] = 'svn' looksvn_href = request.get_url(params=params, escape=1) params['repos_type'] = '' lookall_href = request.get_url(params=params, escape=1) # link to zero limit_changes value params = request.query_dict.copy() params['limit_changes'] = 0 limit_changes_href = request.get_url(params=params, escape=1) # if we got any results, use the newest commit as the modification time if mod_time >= 0: if check_freshness(request, mod_time): return if format == 'backout': query_backout(request, commits) return if format == 'patch': query_patch(request, commits) return data = common_template_data(request) data.merge(TemplateData({ 'repos_root': request.server.escape(repos_root_t), 'repos_type': request.server.escape(repos_type), 'sql': request.server.escape(db.CreateSQLQueryString(query)), 'english_query': english_query(request), 'queryform_href': request.get_url(view_func=view_queryform, escape=1), 'querycvs_href': lookcvs_href, 'querysvn_href': looksvn_href, 'queryall_href': lookall_href, 'backout_href': backout_href, 'patch_href': patch_href, 'rss_href': rss_href, 'patch_unsecure': ezt.boolean(query_is_unsecure_patch(request, commits)), 'plus_count': plus_count, 'minus_count': minus_count, 'show_branch': show_branch, 'querysort': querysort, 'commits': commits, 'row_limit_reached' : ezt.boolean(row_limit_reached), 'limit_changes': limit_changes, 'limit_changes_href': limit_changes_href, 'rss_link_href': rss_link_href, })) if format == 'rss': generate_page(request, "rss", data, "application/rss+xml") else: generate_page(request, "query_results", data) _views = { 'annotate': view_annotate, 'co': view_checkout, 'diff': view_diff, 'dir': view_directory, 'graph': view_cvsgraph, 'graphimg': view_cvsgraph_image, 'log': view_log, 'markup': view_markup, 'patch': view_patch, 'query': view_query, 'queryform': view_queryform, 'revision': view_revision, 'roots': view_roots, 'tar': download_tarball, 'redirect_pathrev': redirect_pathrev, } _view_codes = {} for code, view in _views.items(): _view_codes[view] = code def list_roots(request): cfg = request.cfg allroots = { } # Add the viewable Subversion roots for root in cfg.general.svn_roots.keys(): auth = setup_authorizer(cfg, request.username, root) try: repos = vclib.svn.SubversionRepository(root, cfg.general.svn_roots[root], auth, cfg.utilities, cfg.options.svn_config_dir) lastmod = None if cfg.options.show_roots_lastmod: try: repos.open() youngest_rev = repos.youngest date, author, msg, revprops, changes = repos.revinfo(youngest_rev) date_str = make_time_string(date, cfg) ago = html_time(request, date) lf = LogFormatter(request, msg) log = lf.get(maxlen=0, htmlize=1) short_log = lf.get(maxlen=cfg.options.short_log_len, htmlize=1) lastmod = _item(ago=ago, author=author, date=date_str, log=log, short_log=short_log, rev=str(youngest_rev)) except: lastmod = None except vclib.ReposNotFound: continue allroots[root] = [cfg.general.svn_roots[root], 'svn', lastmod] # Add the viewable CVS roots for root in cfg.general.cvs_roots.keys(): auth = setup_authorizer(cfg, request.username, root) try: vclib.ccvs.CVSRepository(root, cfg.general.cvs_roots[root], auth, cfg.utilities, cfg.options.use_rcsparse) except vclib.ReposNotFound: continue allroots[root] = [cfg.general.cvs_roots[root], 'cvs', None] return allroots def expand_root_parents(cfg): """Expand the configured root parents into individual roots.""" # Each item in root_parents is a "directory : repo_type" string. for pp in cfg.general.root_parents: pos = pp.rfind(':') if pos < 0: raise debug.ViewVCException( 'The path "%s" in "root_parents" does not include a ' 'repository type. Expected "cvs" or "svn".' % (pp)) repo_type = pp[pos+1:].strip() pp = os.path.normpath(pp[:pos].strip()) if repo_type == 'cvs': roots = vclib.ccvs.expand_root_parent(pp) if cfg.options.hide_cvsroot and roots.has_key('CVSROOT'): del roots['CVSROOT'] cfg.general.cvs_roots.update(roots) elif repo_type == 'svn': roots = vclib.svn.expand_root_parent(pp) cfg.general.svn_roots.update(roots) else: raise debug.ViewVCException( 'The path "%s" in "root_parents" has an unrecognized ' 'repository type ("%s"). Expected "cvs" or "svn".' % (pp, repo_type)) def find_root_in_parents(cfg, rootname, roottype): """Return the rootpath for configured ROOTNAME of ROOTTYPE.""" # Easy out: caller wants rootname "CVSROOT", and we're hiding those. if rootname == 'CVSROOT' and cfg.options.hide_cvsroot: return None, None for pp in cfg.general.root_parents: pos = pp.rfind(':') if pos < 0: continue repo_type = pp[pos+1:].strip() if repo_type != roottype: continue pp = os.path.normpath(pp[:pos].strip()) rootpath = None if roottype == 'cvs': rootpath = vclib.ccvs.find_root_in_parent(pp, rootname) elif roottype == 'svn': rootpath = vclib.svn.find_root_in_parent(pp, rootname) if rootpath is not None: return rootpath return None def locate_root(cfg, rootname): """Return a 3-tuple ROOTTYPE, ROOTPATH, ROOTNAME for configured ROOTNAME. ROOTNAME can be a path initially""" if cfg.general.cvs_roots.has_key(rootname): return 'cvs', cfg.general.cvs_roots[rootname], rootname for (k, v) in cfg.general.cvs_roots.iteritems(): if v == rootname: return 'cvs', rootname, k path_in_parent, rootname_in_parent = find_root_in_parents(cfg, rootname, 'cvs') if path_in_parent: cfg.general.cvs_roots[rootname_in_parent] = path_in_parent return 'cvs', path_in_parent, rootname_in_parent if cfg.general.svn_roots.has_key(rootname): return 'svn', cfg.general.svn_roots[rootname], rootname for (k, v) in cfg.general.svn_roots.iteritems(): if v == rootname: return 'svn', rootname, k path_in_parent, rootname_in_parent = find_root_in_parents(cfg, rootname, 'svn') if path_in_parent: cfg.general.svn_roots[rootname_in_parent] = path_in_parent return 'svn', path_in_parent, rootname_in_parent return None, None, None def load_config(pathname=None, server=None): """Load the ViewVC configuration file. SERVER is the server object that will be using this configuration. Consult the environment for the variable VIEWVC_CONF_PATHNAME and VIEWCVS_CONF_PATHNAME (its legacy name) and, if set, use its value as the path of the configuration file; otherwise, use PATHNAME (if provided). Failing all else, use a hardcoded default configuration path.""" debug.t_start('load-config') # See if the environment contains overrides to the configuration # path. If we have a SERVER object, consult its environment; use # the OS environment otherwise. env_pathname = None if server is not None: env_pathname = (server.getenv("VIEWVC_CONF_PATHNAME") or server.getenv("VIEWCVS_CONF_PATHNAME")) else: env_pathname = (os.environ.get("VIEWVC_CONF_PATHNAME") or os.environ.get("VIEWCVS_CONF_PATHNAME")) # Try to find the configuration pathname by searching these ordered # locations: the environment, the passed-in PATHNAME, the hard-coded # default. pathname = (env_pathname or pathname or os.path.join(os.path.dirname(os.path.dirname(__file__)), "viewvc.conf")) # Load the configuration! cfg = config.Config() cfg.set_defaults() cfg.load_config(pathname, server and server.getenv("HTTP_HOST")) # Load mime types file(s), but reverse the order -- our # configuration uses a most-to-least preferred approach, but the # 'mimetypes' package wants things the other way around. if cfg.general.mime_types_files: files = cfg.general.mime_types_files[:] files.reverse() files = map(lambda x, y=pathname: os.path.join(os.path.dirname(y), x), files) mimetypes.init(files) debug.t_end('load-config') return cfg def view_error(server, cfg): exc_dict = debug.GetExceptionData() status = exc_dict['status'] if exc_dict['msg']: exc_dict['msg'] = server.escape(exc_dict['msg']) if exc_dict['stacktrace']: exc_dict['stacktrace'] = server.escape(exc_dict['stacktrace']) handled = 0 # use the configured error template if possible try: if cfg and not server.headerSent: server.header(status=status) template = get_view_template(cfg, "error") template.generate(server.file(), exc_dict) handled = 1 except: pass # but fallback to the old exception printer if no configuration is # available, or if something went wrong if not handled: debug.PrintException(server, exc_dict) def main(server, cfg): try: debug.t_start('main') try: # build a Request object, which contains info about the HTTP request request = Request(server, cfg) request.run_viewvc() except SystemExit, e: return except: view_error(server, cfg) finally: debug.t_end('main') debug.t_dump(server.file()) debug.DumpChildren(server)