Mercurial > hg > mercurial-crew

annotate mercurial/httprepo.py @ 2337:3f24bc5dee81

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http: fix many problems with url parsing and auth. added proxy test. problems fixed: - https scheme handled properly for real and proxy urls. - url of form "http://user:password@host:port/path" now ok. - no-proxy check uses proper host names.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Mon, 22 May 2006 15:42:49 -0700
parents f77edcffb837
children ff2bac730b99
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1 # httprepo.py - HTTP repository proxy classes for mercurial
0
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from node import *
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9 from remoterepo import *
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10 from i18n import gettext as _
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11 from demandload import *
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12 demandload(globals(), "hg os urllib urllib2 urlparse zlib util httplib")
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13
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14 class passwordmgr(urllib2.HTTPPasswordMgr):
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15 def __init__(self, ui):
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16 urllib2.HTTPPasswordMgr.__init__(self)
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17 self.ui = ui
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18
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19 def find_user_password(self, realm, authuri):
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20 authinfo = urllib2.HTTPPasswordMgr.find_user_password(
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21 self, realm, authuri)
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22 if authinfo != (None, None):
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23 return authinfo
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24
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25 if not ui.interactive:
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26 raise util.Abort(_('http authorization required'))
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27
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28 self.ui.write(_("http authorization required\n"))
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29 self.ui.status(_("realm: %s\n") % realm)
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30 user = self.ui.prompt(_("user:"), default=None)
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31 passwd = self.ui.getpass()
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32
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33 self.add_password(realm, authuri, user, passwd)
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34 return (user, passwd)
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35
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36 def netlocsplit(netloc):
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37 '''split [user[:passwd]@]host[:port] into 4-tuple.'''
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38
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39 a = netloc.find('@')
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40 if a == -1:
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41 user, passwd = None, None
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42 else:
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43 userpass, netloc = netloc[:a], netloc[a+1:]
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44 c = userpass.find(':')
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45 if c == -1:
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46 user, passwd = urllib.unquote(userpass), None
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47 else:
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48 user = urllib.unquote(userpass[:c])
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49 passwd = urllib.unquote(userpass[c+1:])
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50 c = netloc.find(':')
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51 if c == -1:
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52 host, port = netloc, None
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53 else:
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54 host, port = netloc[:c], netloc[c+1:]
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55 return host, port, user, passwd
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56
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57 def netlocunsplit(host, port, user=None, passwd=None):
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58 '''turn host, port, user, passwd into [user[:passwd]@]host[:port].'''
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59 if port:
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60 hostport = host + ':' + port
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61 else:
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62 hostport = host
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63 if user:
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64 if passwd:
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65 userpass = urllib.quote(user) + ':' + urllib.quote(passwd)
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66 else:
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67 userpass = urllib.quote(user)
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68 return userpass + '@' + hostport
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69 return hostport
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70
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71 class httprepository(remoterepository):
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72 def __init__(self, ui, path):
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73 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path)
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74 if query or frag:
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75 raise util.Abort(_('unsupported URL component: "%s"') %
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76 (query or frag))
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77 if not urlpath: urlpath = '/'
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78 host, port, user, passwd = netlocsplit(netloc)
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79
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80 # urllib cannot handle URLs with embedded user or passwd
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81 self.url = urlparse.urlunsplit((scheme, netlocunsplit(host, port),
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82 urlpath, '', ''))
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83 self.ui = ui
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84
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85 proxyurl = ui.config("http_proxy", "host") or os.getenv('http_proxy')
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86 proxyauthinfo = None
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87 handler = urllib2.BaseHandler()
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88
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89 if proxyurl:
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90 # proxy can be proper url or host[:port]
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91 if not (proxyurl.startswith('http:') or
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92 proxyurl.startswith('https:')):
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93 proxyurl = 'http://' + proxyurl + '/'
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94 snpqf = urlparse.urlsplit(proxyurl)
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95 proxyscheme, proxynetloc, proxypath, proxyquery, proxyfrag = snpqf
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96 hpup = netlocsplit(proxynetloc)
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97
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98 proxyhost, proxyport, proxyuser, proxypasswd = hpup
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99 if not proxyuser:
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100 proxyuser = ui.config("http_proxy", "user")
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101 proxypasswd = ui.config("http_proxy", "passwd")
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102
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103 # see if we should use a proxy for this url
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104 no_list = [ "localhost", "127.0.0.1" ]
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105 no_list.extend([p.strip().lower() for
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106 p in ui.config("http_proxy", "no", '').split(',')
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107 if p.strip()])
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108 no_list.extend([p.strip().lower() for
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109 p in os.getenv("no_proxy", '').split(',')
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110 if p.strip()])
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111 # "http_proxy.always" config is for running tests on localhost
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112 if (not ui.configbool("http_proxy", "always") and
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113 host.lower() in no_list):
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114 ui.debug(_('disabling proxy for %s\n') % host)
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115 else:
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116 proxyurl = urlparse.urlunsplit((
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117 proxyscheme, netlocunsplit(proxyhost, proxyport,
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118 proxyuser, proxypasswd or ''),
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119 proxypath, proxyquery, proxyfrag))
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120 handler = urllib2.ProxyHandler({scheme: proxyurl})
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121 ui.debug(_('proxying through %s\n') % proxyurl)
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122
2337
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
123 # urllib2 takes proxy values from the environment and those
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
124 # will take precedence if found, so drop them
424
9294dce4b633 Allow override of HTTP_PROXY, http_proxy and no_proxy; make no_proxy work.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 385
diff changeset
125 for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]:
859
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
126 try:
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
127 if os.environ.has_key(env):
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
128 del os.environ[env]
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
129 except OSError:
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
130 pass
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
131
2337
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
132 passmgr = passwordmgr(ui)
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
133 if user:
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
134 ui.debug(_('will use user %s for http auth\n') % user)
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
135 passmgr.add_password(None, host, user, passwd or '')
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
136
2337
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
137 opener = urllib2.build_opener(
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
138 handler,
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
139 urllib2.HTTPBasicAuthHandler(passmgr),
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
140 urllib2.HTTPDigestAuthHandler(passmgr))
2281
7761597b5da3 prompt user for http authentication info
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2015
diff changeset
141
1359
51ac9a79f3e5 Set the user agent for httprepo communication
Matt Mackall <mpm@selenic.com>
parents: 1251
diff changeset
142 # 1.0 here is the _protocol_ version
51ac9a79f3e5 Set the user agent for httprepo communication
Matt Mackall <mpm@selenic.com>
parents: 1251
diff changeset
143 opener.addheaders = [('User-agent', 'mercurial/proto-1.0')]
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
144 urllib2.install_opener(opener)
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
145
634
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
146 def dev(self):
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
147 return -1
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
148
1870
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
149 def lock(self):
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
150 raise util.Abort(_('operation not supported over http'))
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
151
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
152 def do_cmd(self, cmd, **args):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
153 self.ui.debug(_("sending %s command\n") % cmd)
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
154 q = {"cmd": cmd}
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
155 q.update(args)
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
156 qs = urllib.urlencode(q)
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
157 cu = "%s?%s" % (self.url, qs)
2294
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
158 try:
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
159 resp = urllib2.urlopen(cu)
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
160 except httplib.HTTPException, inst:
2336
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
161 self.ui.debug(_('http error while sending %s command\n') % cmd)
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
162 self.ui.print_exc()
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
163 raise IOError(None, inst)
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
164 proto = resp.headers['content-type']
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
165
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
166 # accept old "text/plain" and "application/hg-changegroup" for now
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
167 if not proto.startswith('application/mercurial') and \
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
168 not proto.startswith('text/plain') and \
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
169 not proto.startswith('application/hg-changegroup'):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
170 raise hg.RepoError(_("'%s' does not appear to be an hg repository") %
1251
84cf8834efb5 Fix lots of exception-related problems.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1089
diff changeset
171 self.url)
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
172
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
173 if proto.startswith('application/mercurial'):
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
174 version = proto[22:]
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
175 if float(version) > 0.1:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
176 raise hg.RepoError(_("'%s' uses newer protocol %s") %
1251
84cf8834efb5 Fix lots of exception-related problems.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1089
diff changeset
177 (self.url, version))
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
178
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
179 return resp
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
180
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
181 def heads(self):
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
182 d = self.do_cmd("heads").read()
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
183 try:
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
184 return map(bin, d[:-1].split(" "))
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
185 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
186 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
187 raise
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
188
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
189 def branches(self, nodes):
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
190 n = " ".join(map(hex, nodes))
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
191 d = self.do_cmd("branches", nodes=n).read()
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
192 try:
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
193 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ]
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
194 return br
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
195 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
196 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
197 raise
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
198
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
199 def between(self, pairs):
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
200 n = "\n".join(["-".join(map(hex, p)) for p in pairs])
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
201 d = self.do_cmd("between", pairs=n).read()
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
202 try:
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
203 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ]
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
204 return p
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
205 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
206 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
207 raise
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
208
1736
50de0887bbcd add preoutgoing and outgoing hooks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1402
diff changeset
209 def changegroup(self, nodes, kind):
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
210 n = " ".join(map(hex, nodes))
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
211 f = self.do_cmd("changegroup", roots=n)
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 191
diff changeset
212 bytes = 0
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
213
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
214 def zgenerator(f):
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
215 zd = zlib.decompressobj()
2015
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
216 try:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
217 for chnk in f:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
218 yield zd.decompress(chnk)
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
219 except httplib.HTTPException, inst:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
220 raise IOError(None, _('connection ended unexpectedly'))
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
221 yield zd.flush()
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
222
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
223 return util.chunkbuffer(zgenerator(util.filechunkiter(f)))
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
224
923
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
225 class httpsrepository(httprepository):
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
226 pass