Mercurial > hg
annotate mercurial/hgweb/hgweb_mod.py @ 21631:9bafe09285f2
merge with stable
author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 29 May 2014 15:41:16 -0700 |
parents | 49f2d5644f04 |
children | bd3360c63bb3 |
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1 # hgweb/hgweb_mod.py - Web interface for a repository. |
131 | 2 # |
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
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4 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
131 | 5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
131 | 8 |
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9 import os, re |
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10 from mercurial import ui, hg, hook, error, encoding, templater, util, repoview |
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11 from mercurial.templatefilters import websub |
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12 from mercurial.i18n import _ |
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13 from common import get_stat, ErrorResponse, permhooks, caching |
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14 from common import HTTP_OK, HTTP_NOT_MODIFIED, HTTP_BAD_REQUEST |
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15 from common import HTTP_NOT_FOUND, HTTP_SERVER_ERROR |
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16 from request import wsgirequest |
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17 import webcommands, protocol, webutil |
138 | 18 |
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19 perms = { |
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20 'changegroup': 'pull', |
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21 'changegroupsubset': 'pull', |
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22 'getbundle': 'pull', |
11370 | 23 'stream_out': 'pull', |
24 'listkeys': 'pull', | |
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25 'unbundle': 'push', |
11370 | 26 'pushkey': 'push', |
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27 } |
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28 |
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29 def makebreadcrumb(url, prefix=''): |
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30 '''Return a 'URL breadcrumb' list |
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31 |
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32 A 'URL breadcrumb' is a list of URL-name pairs, |
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33 corresponding to each of the path items on a URL. |
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34 This can be used to create path navigation entries. |
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35 ''' |
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36 if url.endswith('/'): |
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37 url = url[:-1] |
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38 if prefix: |
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39 url = '/' + prefix + url |
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40 relpath = url |
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41 if relpath.startswith('/'): |
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42 relpath = relpath[1:] |
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43 |
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44 breadcrumb = [] |
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45 urlel = url |
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46 pathitems = [''] + relpath.split('/') |
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47 for pathel in reversed(pathitems): |
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48 if not pathel or not urlel: |
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49 break |
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50 breadcrumb.append({'url': urlel, 'name': pathel}) |
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51 urlel = os.path.dirname(urlel) |
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52 return reversed(breadcrumb) |
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53 |
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54 |
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55 class hgweb(object): |
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56 def __init__(self, repo, name=None, baseui=None): |
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57 if isinstance(repo, str): |
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58 if baseui: |
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59 u = baseui.copy() |
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60 else: |
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61 u = ui.ui() |
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62 r = hg.repository(u, repo) |
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64 r = repo |
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65 |
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66 r = self._getview(r) |
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67 r.ui.setconfig('ui', 'report_untrusted', 'off', 'hgweb') |
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68 r.baseui.setconfig('ui', 'report_untrusted', 'off', 'hgweb') |
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69 r.ui.setconfig('ui', 'nontty', 'true', 'hgweb') |
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70 r.baseui.setconfig('ui', 'nontty', 'true', 'hgweb') |
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71 self.repo = r |
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72 hook.redirect(True) |
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74 self.size = -1 |
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75 self.reponame = name |
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77 self.stripecount = 1 |
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78 # a repo owner may set web.templates in .hg/hgrc to get any file |
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79 # readable by the user running the CGI script |
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80 self.templatepath = self.config('web', 'templates') |
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81 self.websubtable = self.loadwebsub() |
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82 |
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83 # The CGI scripts are often run by a user different from the repo owner. |
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84 # Trust the settings from the .hg/hgrc files by default. |
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85 def config(self, section, name, default=None, untrusted=True): |
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86 return self.repo.ui.config(section, name, default, |
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87 untrusted=untrusted) |
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88 |
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89 def configbool(self, section, name, default=False, untrusted=True): |
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90 return self.repo.ui.configbool(section, name, default, |
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91 untrusted=untrusted) |
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92 |
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93 def configlist(self, section, name, default=None, untrusted=True): |
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94 return self.repo.ui.configlist(section, name, default, |
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95 untrusted=untrusted) |
131 | 96 |
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97 def _getview(self, repo): |
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98 viewconfig = repo.ui.config('web', 'view', 'served', |
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99 untrusted=True) |
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100 if viewconfig == 'all': |
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101 return repo.unfiltered() |
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102 elif viewconfig in repoview.filtertable: |
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103 return repo.filtered(viewconfig) |
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104 else: |
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105 return repo.filtered('served') |
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106 |
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107 def refresh(self, request=None): |
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108 st = get_stat(self.repo.spath) |
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109 # compare changelog size in addition to mtime to catch |
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110 # rollbacks made less than a second ago |
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111 if st.st_mtime != self.mtime or st.st_size != self.size: |
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112 self.mtime = st.st_mtime |
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113 self.size = st.st_size |
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114 r = hg.repository(self.repo.baseui, self.repo.root) |
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115 self.repo = self._getview(r) |
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116 self.maxchanges = int(self.config("web", "maxchanges", 10)) |
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117 self.stripecount = int(self.config("web", "stripes", 1)) |
16683 | 118 self.maxshortchanges = int(self.config("web", "maxshortchanges", |
119 60)) | |
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120 self.maxfiles = int(self.config("web", "maxfiles", 10)) |
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121 self.allowpull = self.configbool("web", "allowpull", True) |
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122 encoding.encoding = self.config("web", "encoding", |
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123 encoding.encoding) |
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124 if request: |
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125 self.repo.ui.environ = request.env |
258 | 126 |
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127 def run(self): |
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128 if not os.environ.get('GATEWAY_INTERFACE', '').startswith("CGI/1."): |
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129 raise RuntimeError("This function is only intended to be " |
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130 "called while running as a CGI script.") |
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131 import mercurial.hgweb.wsgicgi as wsgicgi |
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132 wsgicgi.launch(self) |
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133 |
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134 def __call__(self, env, respond): |
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135 req = wsgirequest(env, respond) |
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136 return self.run_wsgi(req) |
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137 |
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138 def run_wsgi(self, req): |
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139 |
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140 self.refresh(req) |
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141 |
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142 # work with CGI variables to create coherent structure |
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143 # use SCRIPT_NAME, PATH_INFO and QUERY_STRING as well as our REPO_NAME |
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144 |
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145 req.url = req.env['SCRIPT_NAME'] |
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146 if not req.url.endswith('/'): |
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147 req.url += '/' |
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Prefer i in d over d.has_key(i)
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148 if 'REPO_NAME' in req.env: |
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149 req.url += req.env['REPO_NAME'] + '/' |
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150 |
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151 if 'PATH_INFO' in req.env: |
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152 parts = req.env['PATH_INFO'].strip('/').split('/') |
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153 repo_parts = req.env.get('REPO_NAME', '').split('/') |
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154 if parts[:len(repo_parts)] == repo_parts: |
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155 parts = parts[len(repo_parts):] |
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156 query = '/'.join(parts) |
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157 else: |
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158 query = req.env['QUERY_STRING'].split('&', 1)[0] |
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159 query = query.split(';', 1)[0] |
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160 |
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161 # process this if it's a protocol request |
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162 # protocol bits don't need to create any URLs |
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163 # and the clients always use the old URL structure |
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164 |
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165 cmd = req.form.get('cmd', [''])[0] |
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166 if protocol.iscmd(cmd): |
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167 try: |
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168 if query: |
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169 raise ErrorResponse(HTTP_NOT_FOUND) |
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170 if cmd in perms: |
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171 self.check_perm(req, perms[cmd]) |
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172 return protocol.call(self.repo, req, cmd) |
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173 except ErrorResponse, inst: |
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174 # A client that sends unbundle without 100-continue will |
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175 # break if we respond early. |
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176 if (cmd == 'unbundle' and |
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177 (req.env.get('HTTP_EXPECT', |
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178 '').lower() != '100-continue') or |
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179 req.env.get('X-HgHttp2', '')): |
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180 req.drain() |
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181 else: |
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182 req.headers.append(('Connection', 'Close')) |
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183 req.respond(inst, protocol.HGTYPE, |
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184 body='0\n%s\n' % inst.message) |
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185 return '' |
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186 |
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187 # translate user-visible url structure to internal structure |
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188 |
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189 args = query.split('/', 2) |
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190 if 'cmd' not in req.form and args and args[0]: |
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191 |
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192 cmd = args.pop(0) |
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193 style = cmd.rfind('-') |
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194 if style != -1: |
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195 req.form['style'] = [cmd[:style]] |
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196 cmd = cmd[style + 1:] |
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197 |
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198 # avoid accepting e.g. style parameter as command |
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199 if util.safehasattr(webcommands, cmd): |
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200 req.form['cmd'] = [cmd] |
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201 else: |
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202 cmd = '' |
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203 |
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204 if cmd == 'static': |
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205 req.form['file'] = ['/'.join(args)] |
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206 else: |
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207 if args and args[0]: |
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208 node = args.pop(0) |
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209 req.form['node'] = [node] |
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210 if args: |
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211 req.form['file'] = args |
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212 |
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213 ua = req.env.get('HTTP_USER_AGENT', '') |
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214 if cmd == 'rev' and 'mercurial' in ua: |
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215 req.form['style'] = ['raw'] |
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216 |
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217 if cmd == 'archive': |
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218 fn = req.form['node'][0] |
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219 for type_, spec in self.archive_specs.iteritems(): |
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220 ext = spec[2] |
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221 if fn.endswith(ext): |
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222 req.form['node'] = [fn[:-len(ext)]] |
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223 req.form['type'] = [type_] |
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224 |
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225 # process the web interface request |
5599
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226 |
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227 try: |
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|
228 tmpl = self.templater(req) |
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|
229 ctype = tmpl('mimetype', encoding=encoding.encoding) |
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230 ctype = templater.stringify(ctype) |
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231 |
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232 # check read permissions non-static content |
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233 if cmd != 'static': |
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234 self.check_perm(req, None) |
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235 |
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236 if cmd == '': |
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237 req.form['cmd'] = [tmpl.cache['default']] |
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238 cmd = req.form['cmd'][0] |
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239 |
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240 if self.configbool('web', 'cache', True): |
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241 caching(self, req) # sets ETag header or raises NOT_MODIFIED |
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242 if cmd not in webcommands.__all__: |
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243 msg = 'no such method: %s' % cmd |
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244 raise ErrorResponse(HTTP_BAD_REQUEST, msg) |
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245 elif cmd == 'file' and 'raw' in req.form.get('style', []): |
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246 self.ctype = ctype |
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247 content = webcommands.rawfile(self, req, tmpl) |
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248 else: |
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249 content = getattr(webcommands, cmd)(self, req, tmpl) |
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250 req.respond(HTTP_OK, ctype) |
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251 |
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252 return content |
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253 |
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254 except (error.LookupError, error.RepoLookupError), err: |
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255 req.respond(HTTP_NOT_FOUND, ctype) |
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256 msg = str(err) |
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257 if (util.safehasattr(err, 'name') and |
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258 not isinstance(err, error.ManifestLookupError)): |
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259 msg = 'revision not found: %s' % err.name |
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260 return tmpl('error', error=msg) |
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262 req.respond(HTTP_SERVER_ERROR, ctype) |
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263 return tmpl('error', error=str(inst)) |
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264 except ErrorResponse, inst: |
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265 req.respond(inst, ctype) |
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266 if inst.code == HTTP_NOT_MODIFIED: |
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267 # Not allowed to return a body on a 304 |
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268 return [''] |
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269 return tmpl('error', error=inst.message) |
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270 |
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271 def loadwebsub(self): |
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272 websubtable = [] |
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273 websubdefs = self.repo.ui.configitems('websub') |
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274 # we must maintain interhg backwards compatibility |
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275 websubdefs += self.repo.ui.configitems('interhg') |
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276 for key, pattern in websubdefs: |
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277 # grab the delimiter from the character after the "s" |
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278 unesc = pattern[1] |
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279 delim = re.escape(unesc) |
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280 |
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281 # identify portions of the pattern, taking care to avoid escaped |
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282 # delimiters. the replace format and flags are optional, but |
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283 # delimiters are required. |
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284 match = re.match( |
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285 r'^s%s(.+)(?:(?<=\\\\)|(?<!\\))%s(.*)%s([ilmsux])*$' |
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286 % (delim, delim, delim), pattern) |
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287 if not match: |
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288 self.repo.ui.warn(_("websub: invalid pattern for %s: %s\n") |
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289 % (key, pattern)) |
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290 continue |
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291 |
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292 # we need to unescape the delimiter for regexp and format |
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293 delim_re = re.compile(r'(?<!\\)\\%s' % delim) |
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294 regexp = delim_re.sub(unesc, match.group(1)) |
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295 format = delim_re.sub(unesc, match.group(2)) |
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296 |
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297 # the pattern allows for 6 regexp flags, so set them if necessary |
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298 flagin = match.group(3) |
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299 flags = 0 |
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300 if flagin: |
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301 for flag in flagin.upper(): |
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302 flags |= re.__dict__[flag] |
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303 |
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304 try: |
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305 regexp = re.compile(regexp, flags) |
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306 websubtable.append((regexp, format)) |
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307 except re.error: |
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308 self.repo.ui.warn(_("websub: invalid regexp for %s: %s\n") |
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309 % (key, regexp)) |
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310 return websubtable |
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311 |
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312 def templater(self, req): |
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313 |
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314 # determine scheme, port and server name |
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315 # this is needed to create absolute urls |
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316 |
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317 proto = req.env.get('wsgi.url_scheme') |
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318 if proto == 'https': |
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319 proto = 'https' |
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320 default_port = "443" |
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321 else: |
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322 proto = 'http' |
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323 default_port = "80" |
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324 |
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325 port = req.env["SERVER_PORT"] |
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326 port = port != default_port and (":" + port) or "" |
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327 urlbase = '%s://%s%s' % (proto, req.env['SERVER_NAME'], port) |
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328 logourl = self.config("web", "logourl", "http://mercurial.selenic.com/") |
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329 logoimg = self.config("web", "logoimg", "hglogo.png") |
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330 staticurl = self.config("web", "staticurl") or req.url + 'static/' |
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331 if not staticurl.endswith('/'): |
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332 staticurl += '/' |
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333 |
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334 # some functions for the templater |
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335 |
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336 def motd(**map): |
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337 yield self.config("web", "motd", "") |
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338 |
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339 # figure out which style to use |
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340 |
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341 vars = {} |
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342 styles = ( |
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343 req.form.get('style', [None])[0], |
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344 self.config('web', 'style'), |
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345 'paper', |
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346 ) |
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347 style, mapfile = templater.stylemap(styles, self.templatepath) |
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348 if style == styles[0]: |
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349 vars['style'] = style |
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350 |
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351 start = req.url[-1] == '?' and '&' or '?' |
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352 sessionvars = webutil.sessionvars(vars, start) |
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353 |
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354 if not self.reponame: |
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355 self.reponame = (self.config("web", "name") |
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356 or req.env.get('REPO_NAME') |
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357 or req.url.strip('/') or self.repo.root) |
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358 |
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359 def websubfilter(text): |
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360 return websub(text, self.websubtable) |
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361 |
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362 # create the templater |
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363 |
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364 tmpl = templater.templater(mapfile, |
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365 filters={"websub": websubfilter}, |
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366 defaults={"url": req.url, |
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367 "logourl": logourl, |
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368 "logoimg": logoimg, |
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369 "staticurl": staticurl, |
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370 "urlbase": urlbase, |
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371 "repo": self.reponame, |
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372 "encoding": encoding.encoding, |
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373 "motd": motd, |
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374 "sessionvars": sessionvars, |
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375 "pathdef": makebreadcrumb(req.url), |
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376 "style": style, |
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377 }) |
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378 return tmpl |
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379 |
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380 def archivelist(self, nodeid): |
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381 allowed = self.configlist("web", "allow_archive") |
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382 for i, spec in self.archive_specs.iteritems(): |
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383 if i in allowed or self.configbool("web", "allow" + i): |
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384 yield {"type" : i, "extension" : spec[2], "node" : nodeid} |
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385 |
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386 archive_specs = { |
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387 'bz2': ('application/x-bzip2', 'tbz2', '.tar.bz2', None), |
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388 'gz': ('application/x-gzip', 'tgz', '.tar.gz', None), |
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389 'zip': ('application/zip', 'zip', '.zip', None), |
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390 } |
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391 |
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392 def check_perm(self, req, op): |
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393 for hook in permhooks: |
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394 hook(self, req, op) |