Mercurial > hg
annotate hgext/factotum.py @ 19423:5046fede7684
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author | Takumi IINO <trot.thunder@gmail.com> |
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date | Wed, 03 Jul 2013 21:49:37 +0900 |
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1 # factotum.py - Plan 9 factotum integration for Mercurial |
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2 # |
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3 # Copyright (C) 2012 Steven Stallion <sstallion@gmail.com> |
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4 # |
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5 # This program is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License as published by the |
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7 # Free Software Foundation; either version 2 of the License, or (at your |
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8 # option) any later version. |
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9 # |
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10 # This program is distributed in the hope that it will be useful, but |
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11 # WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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13 # Public License for more details. |
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14 # |
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15 # You should have received a copy of the GNU General Public License along |
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16 # with this program; if not, write to the Free Software Foundation, Inc., |
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17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
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19 '''http authentication with factotum |
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20 |
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21 This extension allows the factotum(4) facility on Plan 9 from Bell Labs |
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22 platforms to provide authentication information for HTTP access. Configuration |
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23 entries specified in the auth section as well as authentication information |
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24 provided in the repository URL are fully supported. If no prefix is specified, |
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25 a value of "*" will be assumed. |
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26 |
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27 By default, keys are specified as:: |
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28 |
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29 proto=pass service=hg prefix=<prefix> user=<username> !password=<password> |
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30 |
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31 If the factotum extension is unable to read the required key, one will be |
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32 requested interactively. |
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33 |
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34 A configuration section is available to customize runtime behavior. By |
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35 default, these entries are:: |
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36 |
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37 [factotum] |
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38 executable = /bin/auth/factotum |
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39 mountpoint = /mnt/factotum |
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40 service = hg |
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41 |
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42 The executable entry defines the full path to the factotum binary. The |
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43 mountpoint entry defines the path to the factotum file service. Lastly, the |
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44 service entry controls the service name used when reading keys. |
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45 |
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46 ''' |
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47 |
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48 from mercurial.i18n import _ |
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49 from mercurial.url import passwordmgr |
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50 from mercurial import httpconnection, util |
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51 import os, urllib2 |
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52 |
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53 ERRMAX = 128 |
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54 |
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55 def auth_getkey(self, params): |
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56 if not self.ui.interactive(): |
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57 raise util.Abort(_('factotum not interactive')) |
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58 if 'user=' not in params: |
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59 params = '%s user?' % params |
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60 params = '%s !password?' % params |
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61 os.system("%s -g '%s'" % (_executable, params)) |
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62 |
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63 def auth_getuserpasswd(self, getkey, params): |
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64 params = 'proto=pass %s' % params |
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65 while True: |
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66 fd = os.open('%s/rpc' % _mountpoint, os.O_RDWR) |
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67 try: |
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68 try: |
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69 os.write(fd, 'start %s' % params) |
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70 l = os.read(fd, ERRMAX).split() |
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71 if l[0] == 'ok': |
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72 os.write(fd, 'read') |
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73 l = os.read(fd, ERRMAX).split() |
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74 if l[0] == 'ok': |
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75 return l[1:] |
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76 except (OSError, IOError): |
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77 raise util.Abort(_('factotum not responding')) |
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78 finally: |
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79 os.close(fd) |
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80 getkey(self, params) |
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81 |
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82 def monkeypatch_method(cls): |
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83 def decorator(func): |
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84 setattr(cls, func.__name__, func) |
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85 return func |
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86 return decorator |
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87 |
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88 @monkeypatch_method(passwordmgr) |
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89 def find_user_password(self, realm, authuri): |
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90 user, passwd = urllib2.HTTPPasswordMgrWithDefaultRealm.find_user_password( |
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91 self, realm, authuri) |
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92 if user and passwd: |
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93 self._writedebug(user, passwd) |
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94 return (user, passwd) |
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95 |
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96 prefix = '' |
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97 res = httpconnection.readauthforuri(self.ui, authuri, user) |
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98 if res: |
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99 _, auth = res |
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100 prefix = auth.get('prefix') |
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101 user, passwd = auth.get('username'), auth.get('password') |
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102 if not user or not passwd: |
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103 if not prefix: |
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104 prefix = '*' |
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105 params = 'service=%s prefix=%s' % (_service, prefix) |
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106 if user: |
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107 params = '%s user=%s' % (params, user) |
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108 user, passwd = auth_getuserpasswd(self, auth_getkey, params) |
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109 |
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110 self.add_password(realm, authuri, user, passwd) |
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111 self._writedebug(user, passwd) |
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112 return (user, passwd) |
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113 |
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114 def uisetup(ui): |
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115 global _executable |
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116 _executable = ui.config('factotum', 'executable', '/bin/auth/factotum') |
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117 global _mountpoint |
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118 _mountpoint = ui.config('factotum', 'mountpoint', '/mnt/factotum') |
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119 global _service |
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120 _service = ui.config('factotum', 'service', 'hg') |