Mercurial > hg
annotate mercurial/hgweb/hgweb_mod.py @ 44555:05654ea5137c
rebase: accept multiple --source arguments (BC)
I think it's a little surprising that `hg rebase -s A -s B` rebases
only `B::` and ignores `A`. That's because the `-s` flag is not a
repeated flag. This patch makes it a repeated flag.
Differential Revision: https://phab.mercurial-scm.org/D8292
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 13 Mar 2020 16:39:32 -0700 |
parents | d783f945a701 |
children | ba50c8a95e2b |
rev | line source |
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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 from __future__ import absolute_import |
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10 |
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11 import contextlib |
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12 import os |
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13 |
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14 from .common import ( |
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15 ErrorResponse, |
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16 HTTP_BAD_REQUEST, |
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17 cspvalues, |
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18 permhooks, |
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19 statusmessage, |
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20 ) |
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21 from ..pycompat import getattr |
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22 |
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23 from .. import ( |
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24 encoding, |
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25 error, |
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26 extensions, |
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27 formatter, |
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28 hg, |
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29 hook, |
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30 profiling, |
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31 pycompat, |
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32 registrar, |
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33 repoview, |
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34 templatefilters, |
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35 templater, |
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36 templateutil, |
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37 ui as uimod, |
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38 util, |
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39 wireprotoserver, |
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40 ) |
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41 |
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42 from . import ( |
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43 request as requestmod, |
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44 webcommands, |
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45 webutil, |
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46 wsgicgi, |
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47 ) |
138 | 48 |
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49 |
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50 def getstyle(req, configfn, templatepath): |
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51 styles = ( |
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52 req.qsparams.get(b'style', None), |
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53 configfn(b'web', b'style'), |
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54 b'paper', |
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55 ) |
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56 return styles, templater.stylemap(styles, templatepath) |
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57 |
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58 |
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59 def makebreadcrumb(url, prefix=b''): |
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60 '''Return a 'URL breadcrumb' list |
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61 |
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62 A 'URL breadcrumb' is a list of URL-name pairs, |
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63 corresponding to each of the path items on a URL. |
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64 This can be used to create path navigation entries. |
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65 ''' |
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66 if url.endswith(b'/'): |
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67 url = url[:-1] |
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68 if prefix: |
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69 url = b'/' + prefix + url |
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70 relpath = url |
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71 if relpath.startswith(b'/'): |
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72 relpath = relpath[1:] |
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73 |
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74 breadcrumb = [] |
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75 urlel = url |
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76 pathitems = [b''] + relpath.split(b'/') |
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77 for pathel in reversed(pathitems): |
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78 if not pathel or not urlel: |
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79 break |
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80 breadcrumb.append({b'url': urlel, b'name': pathel}) |
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81 urlel = os.path.dirname(urlel) |
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82 return templateutil.mappinglist(reversed(breadcrumb)) |
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83 |
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84 |
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85 class requestcontext(object): |
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86 """Holds state/context for an individual request. |
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87 |
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88 Servers can be multi-threaded. Holding state on the WSGI application |
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89 is prone to race conditions. Instances of this class exist to hold |
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90 mutable and race-free state for requests. |
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91 """ |
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92 |
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93 def __init__(self, app, repo, req, res): |
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94 self.repo = repo |
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95 self.reponame = app.reponame |
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96 self.req = req |
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97 self.res = res |
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98 |
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99 self.maxchanges = self.configint(b'web', b'maxchanges') |
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100 self.stripecount = self.configint(b'web', b'stripes') |
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101 self.maxshortchanges = self.configint(b'web', b'maxshortchanges') |
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102 self.maxfiles = self.configint(b'web', b'maxfiles') |
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103 self.allowpull = self.configbool(b'web', b'allow-pull') |
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104 |
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105 # we use untrusted=False to prevent a repo owner from using |
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106 # web.templates in .hg/hgrc to get access to any file readable |
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107 # by the user running the CGI script |
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108 self.templatepath = self.config(b'web', b'templates', untrusted=False) |
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109 |
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110 # This object is more expensive to build than simple config values. |
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111 # It is shared across requests. The app will replace the object |
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112 # if it is updated. Since this is a reference and nothing should |
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113 # modify the underlying object, it should be constant for the lifetime |
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114 # of the request. |
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115 self.websubtable = app.websubtable |
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116 |
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117 self.csp, self.nonce = cspvalues(self.repo.ui) |
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118 |
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119 # Trust the settings from the .hg/hgrc files by default. |
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120 def config(self, section, name, default=uimod._unset, untrusted=True): |
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121 return self.repo.ui.config(section, name, default, untrusted=untrusted) |
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122 |
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123 def configbool(self, section, name, default=uimod._unset, untrusted=True): |
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124 return self.repo.ui.configbool( |
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125 section, name, default, untrusted=untrusted |
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126 ) |
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127 |
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128 def configint(self, section, name, default=uimod._unset, untrusted=True): |
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129 return self.repo.ui.configint( |
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130 section, name, default, untrusted=untrusted |
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131 ) |
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132 |
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133 def configlist(self, section, name, default=uimod._unset, untrusted=True): |
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134 return self.repo.ui.configlist( |
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135 section, name, default, untrusted=untrusted |
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136 ) |
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137 |
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138 def archivelist(self, nodeid): |
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139 return webutil.archivelist(self.repo.ui, nodeid) |
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140 |
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141 def templater(self, req): |
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142 # determine scheme, port and server name |
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143 # this is needed to create absolute urls |
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144 logourl = self.config(b'web', b'logourl') |
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145 logoimg = self.config(b'web', b'logoimg') |
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146 staticurl = ( |
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147 self.config(b'web', b'staticurl') |
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148 or req.apppath.rstrip(b'/') + b'/static/' |
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149 ) |
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150 if not staticurl.endswith(b'/'): |
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151 staticurl += b'/' |
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152 |
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153 # figure out which style to use |
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154 |
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155 vars = {} |
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156 styles, (style, mapfile) = getstyle(req, self.config, self.templatepath) |
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157 if style == styles[0]: |
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158 vars[b'style'] = style |
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159 |
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160 sessionvars = webutil.sessionvars(vars, b'?') |
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161 |
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162 if not self.reponame: |
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163 self.reponame = ( |
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164 self.config(b'web', b'name', b'') |
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165 or req.reponame |
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166 or req.apppath |
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167 or self.repo.root |
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168 ) |
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169 |
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170 filters = {} |
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171 templatefilter = registrar.templatefilter(filters) |
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172 |
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173 @templatefilter(b'websub', intype=bytes) |
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174 def websubfilter(text): |
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175 return templatefilters.websub(text, self.websubtable) |
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176 |
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177 # create the templater |
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178 # TODO: export all keywords: defaults = templatekw.keywords.copy() |
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179 defaults = { |
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180 b'url': req.apppath + b'/', |
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181 b'logourl': logourl, |
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182 b'logoimg': logoimg, |
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183 b'staticurl': staticurl, |
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184 b'urlbase': req.advertisedbaseurl, |
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185 b'repo': self.reponame, |
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186 b'encoding': encoding.encoding, |
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187 b'sessionvars': sessionvars, |
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188 b'pathdef': makebreadcrumb(req.apppath), |
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189 b'style': style, |
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190 b'nonce': self.nonce, |
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191 } |
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192 templatekeyword = registrar.templatekeyword(defaults) |
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193 |
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194 @templatekeyword(b'motd', requires=()) |
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195 def motd(context, mapping): |
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196 yield self.config(b'web', b'motd') |
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197 |
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198 tres = formatter.templateresources(self.repo.ui, self.repo) |
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199 tmpl = templater.templater.frommapfile( |
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200 mapfile, filters=filters, defaults=defaults, resources=tres |
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201 ) |
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202 return tmpl |
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203 |
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204 def sendtemplate(self, name, **kwargs): |
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205 """Helper function to send a response generated from a template.""" |
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206 kwargs = pycompat.byteskwargs(kwargs) |
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207 self.res.setbodygen(self.tmpl.generate(name, kwargs)) |
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208 return self.res.sendresponse() |
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209 |
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210 |
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211 class hgweb(object): |
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212 """HTTP server for individual repositories. |
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213 |
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214 Instances of this class serve HTTP responses for a particular |
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215 repository. |
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216 |
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217 Instances are typically used as WSGI applications. |
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218 |
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219 Some servers are multi-threaded. On these servers, there may |
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220 be multiple active threads inside __call__. |
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221 """ |
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222 |
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223 def __init__(self, repo, name=None, baseui=None): |
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224 if isinstance(repo, bytes): |
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225 if baseui: |
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226 u = baseui.copy() |
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227 else: |
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228 u = uimod.ui.load() |
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229 extensions.loadall(u) |
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230 extensions.populateui(u) |
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231 r = hg.repository(u, repo) |
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233 # we trust caller to give us a private copy |
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234 r = repo |
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235 |
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236 r.ui.setconfig(b'ui', b'report_untrusted', b'off', b'hgweb') |
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237 r.baseui.setconfig(b'ui', b'report_untrusted', b'off', b'hgweb') |
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238 r.ui.setconfig(b'ui', b'nontty', b'true', b'hgweb') |
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239 r.baseui.setconfig(b'ui', b'nontty', b'true', b'hgweb') |
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240 # resolve file patterns relative to repo root |
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241 r.ui.setconfig(b'ui', b'forcecwd', r.root, b'hgweb') |
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242 r.baseui.setconfig(b'ui', b'forcecwd', r.root, b'hgweb') |
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243 # it's unlikely that we can replace signal handlers in WSGI server, |
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244 # and mod_wsgi issues a big warning. a plain hgweb process (with no |
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245 # threading) could replace signal handlers, but we don't bother |
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246 # conditionally enabling it. |
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247 r.ui.setconfig(b'ui', b'signal-safe-lock', b'false', b'hgweb') |
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248 r.baseui.setconfig(b'ui', b'signal-safe-lock', b'false', b'hgweb') |
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249 # displaying bundling progress bar while serving feel wrong and may |
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250 # break some wsgi implementation. |
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251 r.ui.setconfig(b'progress', b'disable', b'true', b'hgweb') |
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252 r.baseui.setconfig(b'progress', b'disable', b'true', b'hgweb') |
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253 self._repos = [hg.cachedlocalrepo(self._webifyrepo(r))] |
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254 self._lastrepo = self._repos[0] |
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255 hook.redirect(True) |
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256 self.reponame = name |
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257 |
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258 def _webifyrepo(self, repo): |
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259 repo = getwebview(repo) |
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260 self.websubtable = webutil.getwebsubs(repo) |
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261 return repo |
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262 |
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263 @contextlib.contextmanager |
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264 def _obtainrepo(self): |
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265 """Obtain a repo unique to the caller. |
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266 |
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267 Internally we maintain a stack of cachedlocalrepo instances |
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268 to be handed out. If one is available, we pop it and return it, |
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269 ensuring it is up to date in the process. If one is not available, |
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270 we clone the most recently used repo instance and return it. |
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271 |
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272 It is currently possible for the stack to grow without bounds |
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273 if the server allows infinite threads. However, servers should |
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274 have a thread limit, thus establishing our limit. |
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275 """ |
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276 if self._repos: |
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277 cached = self._repos.pop() |
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278 r, created = cached.fetch() |
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279 else: |
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280 cached = self._lastrepo.copy() |
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281 r, created = cached.fetch() |
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282 if created: |
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283 r = self._webifyrepo(r) |
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284 |
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285 self._lastrepo = cached |
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286 self.mtime = cached.mtime |
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287 try: |
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288 yield r |
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289 finally: |
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290 self._repos.append(cached) |
258 | 291 |
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292 def run(self): |
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293 """Start a server from CGI environment. |
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294 |
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295 Modern servers should be using WSGI and should avoid this |
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296 method, if possible. |
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297 """ |
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298 if not encoding.environ.get(b'GATEWAY_INTERFACE', b'').startswith( |
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299 b"CGI/1." |
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300 ): |
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301 raise RuntimeError( |
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302 b"This function is only intended to be " |
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303 b"called while running as a CGI script." |
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304 ) |
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305 wsgicgi.launch(self) |
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306 |
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307 def __call__(self, env, respond): |
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308 """Run the WSGI application. |
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309 |
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310 This may be called by multiple threads. |
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311 """ |
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312 req = requestmod.parserequestfromenv(env) |
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313 res = requestmod.wsgiresponse(req, respond) |
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314 |
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315 return self.run_wsgi(req, res) |
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316 |
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317 def run_wsgi(self, req, res): |
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318 """Internal method to run the WSGI application. |
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319 |
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320 This is typically only called by Mercurial. External consumers |
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321 should be using instances of this class as the WSGI application. |
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322 """ |
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323 with self._obtainrepo() as repo: |
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324 profile = repo.ui.configbool(b'profiling', b'enabled') |
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325 with profiling.profile(repo.ui, enabled=profile): |
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326 for r in self._runwsgi(req, res, repo): |
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327 yield r |
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328 |
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329 def _runwsgi(self, req, res, repo): |
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330 rctx = requestcontext(self, repo, req, res) |
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331 |
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332 # This state is global across all threads. |
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333 encoding.encoding = rctx.config(b'web', b'encoding') |
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334 rctx.repo.ui.environ = req.rawenv |
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335 |
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336 if rctx.csp: |
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337 # hgwebdir may have added CSP header. Since we generate our own, |
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338 # replace it. |
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339 res.headers[b'Content-Security-Policy'] = rctx.csp |
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340 |
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341 # /api/* is reserved for various API implementations. Dispatch |
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342 # accordingly. But URL paths can conflict with subrepos and virtual |
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343 # repos in hgwebdir. So until we have a workaround for this, only |
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344 # expose the URLs if the feature is enabled. |
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345 apienabled = rctx.repo.ui.configbool(b'experimental', b'web.apiserver') |
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346 if apienabled and req.dispatchparts and req.dispatchparts[0] == b'api': |
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347 wireprotoserver.handlewsgiapirequest( |
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348 rctx, req, res, self.check_perm |
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349 ) |
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350 return res.sendresponse() |
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351 |
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352 handled = wireprotoserver.handlewsgirequest( |
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353 rctx, req, res, self.check_perm |
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354 ) |
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355 if handled: |
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356 return res.sendresponse() |
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357 |
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358 # Old implementations of hgweb supported dispatching the request via |
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359 # the initial query string parameter instead of using PATH_INFO. |
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360 # If PATH_INFO is present (signaled by ``req.dispatchpath`` having |
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361 # a value), we use it. Otherwise fall back to the query string. |
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362 if req.dispatchpath is not None: |
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363 query = req.dispatchpath |
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364 else: |
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365 query = req.querystring.partition(b'&')[0].partition(b';')[0] |
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366 |
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367 # translate user-visible url structure to internal structure |
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368 |
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369 args = query.split(b'/', 2) |
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370 if b'cmd' not in req.qsparams and args and args[0]: |
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371 cmd = args.pop(0) |
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372 style = cmd.rfind(b'-') |
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373 if style != -1: |
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374 req.qsparams[b'style'] = cmd[:style] |
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375 cmd = cmd[style + 1 :] |
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376 |
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377 # avoid accepting e.g. style parameter as command |
14953
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378 if util.safehasattr(webcommands, cmd): |
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379 req.qsparams[b'cmd'] = cmd |
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380 |
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381 if cmd == b'static': |
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382 req.qsparams[b'file'] = b'/'.join(args) |
7287
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383 else: |
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384 if args and args[0]: |
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385 node = args.pop(0).replace(b'%2F', b'/') |
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386 req.qsparams[b'node'] = node |
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387 if args: |
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388 if b'file' in req.qsparams: |
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389 del req.qsparams[b'file'] |
36864
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hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
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390 for a in args: |
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391 req.qsparams.add(b'file', a) |
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392 |
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393 ua = req.headers.get(b'User-Agent', b'') |
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394 if cmd == b'rev' and b'mercurial' in ua: |
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|
395 req.qsparams[b'style'] = b'raw' |
9731
0e080d519d1b
hgweb: treat rev as raw-rev if user agent is hg
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8860
diff
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|
396 |
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397 if cmd == b'archive': |
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398 fn = req.qsparams[b'node'] |
43106
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py3: finish porting iteritems() to pycompat and remove source transformer
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parents:
43089
diff
changeset
|
399 for type_, spec in pycompat.iteritems(webutil.archivespecs): |
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400 ext = spec[2] |
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401 if fn.endswith(ext): |
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402 req.qsparams[b'node'] = fn[: -len(ext)] |
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|
403 req.qsparams[b'type'] = type_ |
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wireprotoserver: move protocol parsing and dispatch out of hgweb
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|
404 else: |
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405 cmd = req.qsparams.get(b'cmd', b'') |
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|
406 |
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|
407 # process the web interface request |
5599
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5598
diff
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|
408 |
3de66c2a9734
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diff
changeset
|
409 try: |
36883
061635d4221c
hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36881
diff
changeset
|
410 rctx.tmpl = rctx.templater(req) |
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411 ctype = rctx.tmpl.render( |
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|
412 b'mimetype', {b'encoding': encoding.encoding} |
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|
413 ) |
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diff
changeset
|
414 |
7562
b663b5563de7
hgweb: allow static content when deny_read denies access
Mark Edgington <edgimar@gmail.com>
parents:
7396
diff
changeset
|
415 # check read permissions non-static content |
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|
416 if cmd != b'static': |
36877
02bea04b4c54
hgweb: transition permissions hooks to modern request type (API)
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parents:
36876
diff
changeset
|
417 self.check_perm(rctx, req, None) |
7336
2dc868712dcc
hgweb: support for deny_read/allow_read options
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|
418 |
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419 if cmd == b'': |
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420 req.qsparams[b'cmd'] = rctx.tmpl.render(b'default', {}) |
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|
421 cmd = req.qsparams[b'cmd'] |
5890
a0e20a5eba3c
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parents:
5889
diff
changeset
|
422 |
30766
d7bf7d2bd5ab
hgweb: support Content Security Policy
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parents:
30749
diff
changeset
|
423 # Don't enable caching if using a CSP nonce because then it wouldn't |
d7bf7d2bd5ab
hgweb: support Content Security Policy
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diff
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|
424 # be a nonce. |
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|
425 if rctx.configbool(b'web', b'cache') and not rctx.nonce: |
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|
426 tag = b'W/"%d"' % self.mtime |
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|
427 if req.headers.get(b'If-None-Match') == tag: |
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|
428 res.status = b'304 Not Modified' |
37827
11ee9bf24791
hgweb: discard Content-Type header for 304 responses (issue5844)
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parents:
37746
diff
changeset
|
429 # Content-Type may be defined globally. It isn't valid on a |
11ee9bf24791
hgweb: discard Content-Type header for 304 responses (issue5844)
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diff
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|
430 # 304, so discard it. |
11ee9bf24791
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diff
changeset
|
431 try: |
11ee9bf24791
hgweb: discard Content-Type header for 304 responses (issue5844)
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diff
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|
432 del res.headers[b'Content-Type'] |
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diff
changeset
|
433 except KeyError: |
11ee9bf24791
hgweb: discard Content-Type header for 304 responses (issue5844)
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parents:
37746
diff
changeset
|
434 pass |
36878
ccb70a77f746
hgweb: refactor 304 handling code
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36877
diff
changeset
|
435 # Response body not allowed on 304. |
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diff
changeset
|
436 res.setbodybytes(b'') |
36878
ccb70a77f746
hgweb: refactor 304 handling code
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parents:
36877
diff
changeset
|
437 return res.sendresponse() |
36869
7ad6a275316f
hgweb: inline caching() and port to modern mechanisms
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parents:
36868
diff
changeset
|
438 |
43077
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43076
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changeset
|
439 res.headers[b'ETag'] = tag |
36869
7ad6a275316f
hgweb: inline caching() and port to modern mechanisms
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36868
diff
changeset
|
440 |
6149
b023915aa1bc
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6142
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changeset
|
441 if cmd not in webcommands.__all__: |
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diff
changeset
|
442 msg = b'no such method: %s' % cmd |
6149
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diff
changeset
|
443 raise ErrorResponse(HTTP_BAD_REQUEST, msg) |
b023915aa1bc
hgweb: separate protocol calls from interface calls (issue996)
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6142
diff
changeset
|
444 else: |
36870
1f42d621f090
hgweb: support using new response object for web commands
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36869
diff
changeset
|
445 # Set some globals appropriate for web handlers. Commands can |
1f42d621f090
hgweb: support using new response object for web commands
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36869
diff
changeset
|
446 # override easily enough. |
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|
447 res.status = b'200 Script output follows' |
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changeset
|
448 res.headers[b'Content-Type'] = ctype |
36887
4daa22071d5d
hgweb: stop passing req and tmpl into @webcommand functions (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36883
diff
changeset
|
449 return getattr(webcommands, cmd)(rctx) |
5600
9d900f7282e6
hgweb: explicitly pass around the templater
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
5599
diff
changeset
|
450 |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25565
diff
changeset
|
451 except (error.LookupError, error.RepoLookupError) as err: |
36258
af0a19d8812b
py3: get bytes-repr of network errors portably
Augie Fackler <augie@google.com>
parents:
35986
diff
changeset
|
452 msg = pycompat.bytestr(err) |
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453 if util.safehasattr(err, b'name') and not isinstance( |
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454 err, error.ManifestLookupError |
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455 ): |
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456 msg = b'revision not found: %s' % err.name |
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457 |
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458 res.status = b'404 Not Found' |
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459 res.headers[b'Content-Type'] = ctype |
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460 return rctx.sendtemplate(b'error', error=msg) |
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461 except (error.RepoError, error.StorageError) as e: |
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462 res.status = b'500 Internal Server Error' |
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463 res.headers[b'Content-Type'] = ctype |
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464 return rctx.sendtemplate(b'error', error=pycompat.bytestr(e)) |
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465 except error.Abort as e: |
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466 res.status = b'403 Forbidden' |
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467 res.headers[b'Content-Type'] = ctype |
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468 return rctx.sendtemplate(b'error', error=pycompat.bytestr(e)) |
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469 except ErrorResponse as e: |
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470 for k, v in e.headers: |
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471 res.headers[k] = v |
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472 res.status = statusmessage(e.code, pycompat.bytestr(e)) |
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473 res.headers[b'Content-Type'] = ctype |
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474 return rctx.sendtemplate(b'error', error=pycompat.bytestr(e)) |
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475 |
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476 def check_perm(self, rctx, req, op): |
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477 for permhook in permhooks: |
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478 permhook(rctx, req, op) |
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479 |
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480 |
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481 def getwebview(repo): |
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482 """The 'web.view' config controls changeset filter to hgweb. Possible |
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483 values are ``served``, ``visible`` and ``all``. Default is ``served``. |
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484 The ``served`` filter only shows changesets that can be pulled from the |
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485 hgweb instance. The``visible`` filter includes secret changesets but |
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486 still excludes "hidden" one. |
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487 |
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488 See the repoview module for details. |
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489 |
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490 The option has been around undocumented since Mercurial 2.5, but no |
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491 user ever asked about it. So we better keep it undocumented for now.""" |
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492 # experimental config: web.view |
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493 viewconfig = repo.ui.config(b'web', b'view', untrusted=True) |
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494 if viewconfig == b'all': |
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495 return repo.unfiltered() |
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496 elif viewconfig in repoview.filtertable: |
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497 return repo.filtered(viewconfig) |
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498 else: |
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499 return repo.filtered(b'served') |