Mercurial > hg
annotate mercurial/url.py @ 8564:6b9ec23b09fc
named branches: improve pre-push logic (issue736)
Each named branch is considered separately, and the push is allowed if
no new branch heads are created for any named branch to be pushed.
Due to some tests's use of --debug, their output will change after this
addition. This has been fixed as well.
Co-contributor: Henrik Stuart <henrik.stuart@edlund.dk>
author | Sune Foldager <cryo@cyanite.org> |
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date | Sat, 23 May 2009 17:04:31 +0200 |
parents | 873429914ec5 |
children | 59acb9c7d90f |
rev | line source |
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1 # url.py - HTTP handling for mercurial |
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2 # |
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3 # Copyright 2005, 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
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4 # Copyright 2006, 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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5 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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6 # |
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7 # This software may be used and distributed according to the terms of the |
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8 # GNU General Public License version 2, incorporated herein by reference. |
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9 |
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10 import urllib, urllib2, urlparse, httplib, os, re |
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11 from i18n import _ |
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12 import keepalive, util |
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13 |
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14 def hidepassword(url): |
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15 '''hide user credential in a url string''' |
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16 scheme, netloc, path, params, query, fragment = urlparse.urlparse(url) |
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17 netloc = re.sub('([^:]*):([^@]*)@(.*)', r'\1:***@\3', netloc) |
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18 return urlparse.urlunparse((scheme, netloc, path, params, query, fragment)) |
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19 |
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20 def removeauth(url): |
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21 '''remove all authentication information from a url string''' |
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22 scheme, netloc, path, params, query, fragment = urlparse.urlparse(url) |
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23 netloc = netloc[netloc.find('@')+1:] |
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24 return urlparse.urlunparse((scheme, netloc, path, params, query, fragment)) |
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25 |
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26 def netlocsplit(netloc): |
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27 '''split [user[:passwd]@]host[:port] into 4-tuple.''' |
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28 |
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29 a = netloc.find('@') |
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30 if a == -1: |
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31 user, passwd = None, None |
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32 else: |
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33 userpass, netloc = netloc[:a], netloc[a+1:] |
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34 c = userpass.find(':') |
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35 if c == -1: |
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36 user, passwd = urllib.unquote(userpass), None |
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37 else: |
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38 user = urllib.unquote(userpass[:c]) |
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39 passwd = urllib.unquote(userpass[c+1:]) |
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40 c = netloc.find(':') |
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41 if c == -1: |
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42 host, port = netloc, None |
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43 else: |
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44 host, port = netloc[:c], netloc[c+1:] |
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45 return host, port, user, passwd |
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46 |
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47 def netlocunsplit(host, port, user=None, passwd=None): |
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48 '''turn host, port, user, passwd into [user[:passwd]@]host[:port].''' |
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49 if port: |
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50 hostport = host + ':' + port |
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51 else: |
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52 hostport = host |
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53 if user: |
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54 if passwd: |
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55 userpass = urllib.quote(user) + ':' + urllib.quote(passwd) |
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56 else: |
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57 userpass = urllib.quote(user) |
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58 return userpass + '@' + hostport |
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59 return hostport |
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60 |
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61 _safe = ('abcdefghijklmnopqrstuvwxyz' |
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62 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' |
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63 '0123456789' '_.-/') |
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64 _safeset = None |
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65 _hex = None |
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66 def quotepath(path): |
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67 '''quote the path part of a URL |
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68 |
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69 This is similar to urllib.quote, but it also tries to avoid |
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70 quoting things twice (inspired by wget): |
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71 |
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72 >>> quotepath('abc def') |
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73 'abc%20def' |
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74 >>> quotepath('abc%20def') |
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75 'abc%20def' |
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76 >>> quotepath('abc%20 def') |
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77 'abc%20%20def' |
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78 >>> quotepath('abc def%20') |
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79 'abc%20def%20' |
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80 >>> quotepath('abc def%2') |
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81 'abc%20def%252' |
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82 >>> quotepath('abc def%') |
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83 'abc%20def%25' |
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84 ''' |
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85 global _safeset, _hex |
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86 if _safeset is None: |
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87 _safeset = set(_safe) |
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88 _hex = set('abcdefABCDEF0123456789') |
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89 l = list(path) |
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90 for i in xrange(len(l)): |
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91 c = l[i] |
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92 if c == '%' and i + 2 < len(l) and (l[i+1] in _hex and l[i+2] in _hex): |
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93 pass |
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94 elif c not in _safeset: |
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95 l[i] = '%%%02X' % ord(c) |
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96 return ''.join(l) |
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97 |
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98 class passwordmgr(urllib2.HTTPPasswordMgrWithDefaultRealm): |
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99 def __init__(self, ui): |
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100 urllib2.HTTPPasswordMgrWithDefaultRealm.__init__(self) |
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101 self.ui = ui |
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102 |
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103 def find_user_password(self, realm, authuri): |
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104 authinfo = urllib2.HTTPPasswordMgrWithDefaultRealm.find_user_password( |
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105 self, realm, authuri) |
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106 user, passwd = authinfo |
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107 if user and passwd: |
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108 self._writedebug(user, passwd) |
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109 return (user, passwd) |
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110 |
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111 if not user: |
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112 user, passwd = self._readauthtoken(authuri) |
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113 if not user or not passwd: |
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114 if not self.ui.interactive(): |
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115 raise util.Abort(_('http authorization required')) |
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116 |
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117 self.ui.write(_("http authorization required\n")) |
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118 self.ui.status(_("realm: %s\n") % realm) |
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119 if user: |
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120 self.ui.status(_("user: %s\n") % user) |
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121 else: |
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122 user = self.ui.prompt(_("user:"), default=None) |
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123 |
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124 if not passwd: |
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125 passwd = self.ui.getpass() |
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126 |
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127 self.add_password(realm, authuri, user, passwd) |
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128 self._writedebug(user, passwd) |
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129 return (user, passwd) |
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130 |
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131 def _writedebug(self, user, passwd): |
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132 msg = _('http auth: user %s, password %s\n') |
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133 self.ui.debug(msg % (user, passwd and '*' * len(passwd) or 'not set')) |
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134 |
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135 def _readauthtoken(self, uri): |
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136 # Read configuration |
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137 config = dict() |
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138 for key, val in self.ui.configitems('auth'): |
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139 group, setting = key.split('.', 1) |
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140 gdict = config.setdefault(group, dict()) |
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141 gdict[setting] = val |
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142 |
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143 # Find the best match |
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144 scheme, hostpath = uri.split('://', 1) |
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145 bestlen = 0 |
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146 bestauth = None, None |
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147 for auth in config.itervalues(): |
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148 prefix = auth.get('prefix') |
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149 if not prefix: continue |
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150 p = prefix.split('://', 1) |
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151 if len(p) > 1: |
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152 schemes, prefix = [p[0]], p[1] |
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153 else: |
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154 schemes = (auth.get('schemes') or 'https').split() |
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155 if (prefix == '*' or hostpath.startswith(prefix)) and \ |
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156 len(prefix) > bestlen and scheme in schemes: |
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157 bestlen = len(prefix) |
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158 bestauth = auth.get('username'), auth.get('password') |
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159 return bestauth |
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160 |
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161 class proxyhandler(urllib2.ProxyHandler): |
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162 def __init__(self, ui): |
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163 proxyurl = ui.config("http_proxy", "host") or os.getenv('http_proxy') |
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164 # XXX proxyauthinfo = None |
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165 |
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166 if proxyurl: |
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167 # proxy can be proper url or host[:port] |
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168 if not (proxyurl.startswith('http:') or |
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169 proxyurl.startswith('https:')): |
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170 proxyurl = 'http://' + proxyurl + '/' |
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171 snpqf = urlparse.urlsplit(proxyurl) |
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172 proxyscheme, proxynetloc, proxypath, proxyquery, proxyfrag = snpqf |
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173 hpup = netlocsplit(proxynetloc) |
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174 |
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175 proxyhost, proxyport, proxyuser, proxypasswd = hpup |
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176 if not proxyuser: |
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177 proxyuser = ui.config("http_proxy", "user") |
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178 proxypasswd = ui.config("http_proxy", "passwd") |
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179 |
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180 # see if we should use a proxy for this url |
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181 no_list = [ "localhost", "127.0.0.1" ] |
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182 no_list.extend([p.lower() for |
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183 p in ui.configlist("http_proxy", "no")]) |
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184 no_list.extend([p.strip().lower() for |
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185 p in os.getenv("no_proxy", '').split(',') |
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186 if p.strip()]) |
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187 # "http_proxy.always" config is for running tests on localhost |
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188 if ui.configbool("http_proxy", "always"): |
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189 self.no_list = [] |
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190 else: |
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191 self.no_list = no_list |
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192 |
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193 proxyurl = urlparse.urlunsplit(( |
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194 proxyscheme, netlocunsplit(proxyhost, proxyport, |
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195 proxyuser, proxypasswd or ''), |
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196 proxypath, proxyquery, proxyfrag)) |
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197 proxies = {'http': proxyurl, 'https': proxyurl} |
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198 ui.debug(_('proxying through http://%s:%s\n') % |
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199 (proxyhost, proxyport)) |
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200 else: |
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201 proxies = {} |
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202 |
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203 # urllib2 takes proxy values from the environment and those |
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204 # will take precedence if found, so drop them |
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205 for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: |
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206 try: |
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207 if env in os.environ: |
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208 del os.environ[env] |
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209 except OSError: |
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210 pass |
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211 |
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212 urllib2.ProxyHandler.__init__(self, proxies) |
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213 self.ui = ui |
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214 |
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215 def proxy_open(self, req, proxy, type_): |
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216 host = req.get_host().split(':')[0] |
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217 if host in self.no_list: |
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218 return None |
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219 |
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220 # work around a bug in Python < 2.4.2 |
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221 # (it leaves a "\n" at the end of Proxy-authorization headers) |
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222 baseclass = req.__class__ |
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223 class _request(baseclass): |
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224 def add_header(self, key, val): |
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225 if key.lower() == 'proxy-authorization': |
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226 val = val.strip() |
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227 return baseclass.add_header(self, key, val) |
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228 req.__class__ = _request |
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229 |
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230 return urllib2.ProxyHandler.proxy_open(self, req, proxy, type_) |
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231 |
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232 class httpsendfile(file): |
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233 def __len__(self): |
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234 return os.fstat(self.fileno()).st_size |
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235 |
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236 def _gen_sendfile(connection): |
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237 def _sendfile(self, data): |
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238 # send a file |
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239 if isinstance(data, httpsendfile): |
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240 # if auth required, some data sent twice, so rewind here |
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241 data.seek(0) |
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242 for chunk in util.filechunkiter(data): |
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243 connection.send(self, chunk) |
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244 else: |
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245 connection.send(self, data) |
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246 return _sendfile |
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247 |
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248 class httpconnection(keepalive.HTTPConnection): |
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249 # must be able to send big bundle as stream. |
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250 send = _gen_sendfile(keepalive.HTTPConnection) |
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251 |
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252 class httphandler(keepalive.HTTPHandler): |
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253 def http_open(self, req): |
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254 return self.do_open(httpconnection, req) |
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255 |
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256 def __del__(self): |
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257 self.close_all() |
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258 |
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259 has_https = hasattr(urllib2, 'HTTPSHandler') |
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260 if has_https: |
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261 class httpsconnection(httplib.HTTPSConnection): |
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262 response_class = keepalive.HTTPResponse |
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263 # must be able to send big bundle as stream. |
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264 send = _gen_sendfile(httplib.HTTPSConnection) |
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265 |
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266 class httpshandler(keepalive.KeepAliveHandler, urllib2.HTTPSHandler): |
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267 def https_open(self, req): |
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268 return self.do_open(httpsconnection, req) |
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269 |
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270 # In python < 2.5 AbstractDigestAuthHandler raises a ValueError if |
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271 # it doesn't know about the auth type requested. This can happen if |
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272 # somebody is using BasicAuth and types a bad password. |
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273 class httpdigestauthhandler(urllib2.HTTPDigestAuthHandler): |
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274 def http_error_auth_reqed(self, auth_header, host, req, headers): |
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275 try: |
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276 return urllib2.HTTPDigestAuthHandler.http_error_auth_reqed( |
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277 self, auth_header, host, req, headers) |
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278 except ValueError, inst: |
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279 arg = inst.args[0] |
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280 if arg.startswith("AbstractDigestAuthHandler doesn't know "): |
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281 return |
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282 raise |
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283 |
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284 def getauthinfo(path): |
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285 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
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286 if not urlpath: |
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287 urlpath = '/' |
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288 if scheme != 'file': |
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289 # XXX: why are we quoting the path again with some smart |
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290 # heuristic here? Anyway, it cannot be done with file:// |
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291 # urls since path encoding is os/fs dependent (see |
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292 # urllib.pathname2url() for details). |
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293 urlpath = quotepath(urlpath) |
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294 host, port, user, passwd = netlocsplit(netloc) |
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295 |
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296 # urllib cannot handle URLs with embedded user or passwd |
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297 url = urlparse.urlunsplit((scheme, netlocunsplit(host, port), |
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298 urlpath, query, frag)) |
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299 if user: |
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300 netloc = host |
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301 if port: |
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302 netloc += ':' + port |
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303 # Python < 2.4.3 uses only the netloc to search for a password |
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304 authinfo = (None, (url, netloc), user, passwd or '') |
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305 else: |
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306 authinfo = None |
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307 return url, authinfo |
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308 |
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309 def opener(ui, authinfo=None): |
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310 ''' |
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311 construct an opener suitable for urllib2 |
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312 authinfo will be added to the password manager |
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313 ''' |
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314 handlers = [httphandler()] |
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315 if has_https: |
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316 handlers.append(httpshandler()) |
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317 |
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318 handlers.append(proxyhandler(ui)) |
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319 |
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320 passmgr = passwordmgr(ui) |
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321 if authinfo is not None: |
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322 passmgr.add_password(*authinfo) |
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323 user, passwd = authinfo[2:4] |
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324 ui.debug(_('http auth: user %s, password %s\n') % |
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325 (user, passwd and '*' * len(passwd) or 'not set')) |
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|
326 |
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|
327 handlers.extend((urllib2.HTTPBasicAuthHandler(passmgr), |
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328 httpdigestauthhandler(passmgr))) |
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329 opener = urllib2.build_opener(*handlers) |
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330 |
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|
331 # 1.0 here is the _protocol_ version |
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332 opener.addheaders = [('User-agent', 'mercurial/proto-1.0')] |
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333 opener.addheaders.append(('Accept', 'application/mercurial-0.1')) |
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334 return opener |
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335 |
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336 scheme_re = re.compile(r'^([a-zA-Z0-9+-.]+)://') |
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337 |
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338 def open(ui, url, data=None): |
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339 scheme = None |
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340 m = scheme_re.search(url) |
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341 if m: |
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342 scheme = m.group(1).lower() |
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343 if not scheme: |
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344 path = util.normpath(os.path.abspath(url)) |
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345 url = 'file://' + urllib.pathname2url(path) |
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346 authinfo = None |
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347 else: |
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348 url, authinfo = getauthinfo(url) |
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349 return opener(ui, authinfo).open(url, data) |