Mercurial > kallithea

annotate kallithea/lib/middleware/simplegit.py @ 4203:9daad8c50b37 kallithea-2.2.5-rebrand

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Rename database classes (but not table names)
author Bradley M. Kuhn <bkuhn@sfconservancy.org>
date Wed, 02 Jul 2014 19:05:36 -0400
parents d1addaf7a91e
children ad38f9f93b3b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- coding: utf-8 -*-
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2 # This program is free software: you can redistribute it and/or modify
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3 # it under the terms of the GNU General Public License as published by
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4 # the Free Software Foundation, either version 3 of the License, or
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5 # (at your option) any later version.
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6 #
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7 # This program is distributed in the hope that it will be useful,
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8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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10 # GNU General Public License for more details.
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11 #
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12 # You should have received a copy of the GNU General Public License
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13 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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14 """
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15 kallithea.lib.middleware.simplegit
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16 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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17
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18 SimpleGit middleware for handling git protocol request (push/clone etc.)
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19 It's implemented with basic auth function
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20
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21 :created_on: Apr 28, 2010
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22 :author: marcink
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23 :copyright: (c) 2013 RhodeCode GmbH.
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24 :license: GPLv3, see LICENSE for more details.
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25
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26 """
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27
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28
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29 import os
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30 import re
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31 import logging
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32 import traceback
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33
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34 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
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35 from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError, \
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36 HTTPNotAcceptable
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37 from kallithea.model.db import User, Ui
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38
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39 from kallithea.lib.utils2 import safe_str, fix_PATH, get_server_url,\
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40 _set_extras
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41 from kallithea.lib.base import BaseVCSController
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42 from kallithea.lib.utils import make_ui, is_valid_repo
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43 from kallithea.lib.exceptions import HTTPLockedRC
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44 from kallithea.lib.hooks import pre_pull
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45 from kallithea.lib import auth_modules
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46
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47 log = logging.getLogger(__name__)
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48
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49
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50 GIT_PROTO_PAT = re.compile(r'^/(.+)/(info/refs|git-upload-pack|git-receive-pack)')
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51
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52
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53 def is_git(environ):
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54 path_info = environ['PATH_INFO']
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55 isgit_path = GIT_PROTO_PAT.match(path_info)
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56 log.debug('pathinfo: %s detected as GIT %s' % (
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57 path_info, isgit_path is not None)
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58 )
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59 return isgit_path
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60
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61
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62 class SimpleGit(BaseVCSController):
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63
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64 def _handle_request(self, environ, start_response):
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65 if not is_git(environ):
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66 return self.application(environ, start_response)
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67 if not self._check_ssl(environ, start_response):
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68 return HTTPNotAcceptable('SSL REQUIRED !')(environ, start_response)
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69
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70 ip_addr = self._get_ip_addr(environ)
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71 username = None
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72 self._git_first_op = False
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73 # skip passing error to error controller
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74 environ['pylons.status_code_redirect'] = True
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75
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76 #======================================================================
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77 # EXTRACT REPOSITORY NAME FROM ENV
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78 #======================================================================
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79 try:
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80 repo_name = self.__get_repository(environ)
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81 log.debug('Extracted repo name is %s' % repo_name)
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82 except Exception:
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83 return HTTPInternalServerError()(environ, start_response)
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84
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85 # quick check if that dir exists...
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86 if not is_valid_repo(repo_name, self.basepath, 'git'):
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87 return HTTPNotFound()(environ, start_response)
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88
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89 #======================================================================
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90 # GET ACTION PULL or PUSH
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91 #======================================================================
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92 action = self.__get_action(environ)
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93
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94 #======================================================================
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95 # CHECK ANONYMOUS PERMISSION
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96 #======================================================================
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97 if action in ['pull', 'push']:
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98 anonymous_user = self.__get_user('default')
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99 username = anonymous_user.username
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100 if anonymous_user.active:
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101 # ONLY check permissions if the user is activated
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102 anonymous_perm = self._check_permission(action, anonymous_user,
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103 repo_name, ip_addr)
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104 else:
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105 anonymous_perm = False
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106
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107 if not anonymous_user.active or not anonymous_perm:
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108 if not anonymous_user.active:
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109 log.debug('Anonymous access is disabled, running '
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110 'authentication')
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111
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112 if not anonymous_perm:
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113 log.debug('Not enough credentials to access this '
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114 'repository as anonymous user')
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115
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116 username = None
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117 #==============================================================
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118 # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
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119 # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
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120 #==============================================================
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121
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122 # try to auth based on environ, container auth methods
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123 log.debug('Running PRE-AUTH for container based authentication')
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124 pre_auth = auth_modules.authenticate('', '', environ)
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125 if pre_auth and pre_auth.get('username'):
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126 username = pre_auth['username']
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127 log.debug('PRE-AUTH got %s as username' % username)
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128
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129 # If not authenticated by the container, running basic auth
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130 if not username:
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131 self.authenticate.realm = \
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132 safe_str(self.config['rhodecode_realm'])
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133 result = self.authenticate(environ)
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134 if isinstance(result, str):
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135 AUTH_TYPE.update(environ, 'basic')
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136 REMOTE_USER.update(environ, result)
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137 username = result
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138 else:
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139 return result.wsgi_application(environ, start_response)
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140
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141 #==============================================================
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142 # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
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143 #==============================================================
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144 try:
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145 user = self.__get_user(username)
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146 if user is None or not user.active:
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147 return HTTPForbidden()(environ, start_response)
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148 username = user.username
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149 except Exception:
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150 log.error(traceback.format_exc())
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151 return HTTPInternalServerError()(environ, start_response)
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152
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153 #check permissions for this repository
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154 perm = self._check_permission(action, user, repo_name, ip_addr)
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155 if not perm:
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156 return HTTPForbidden()(environ, start_response)
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157
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158 # extras are injected into UI object and later available
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159 # in hooks executed by rhodecode
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160 from kallithea import CONFIG
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161 server_url = get_server_url(environ)
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162 extras = {
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163 'ip': ip_addr,
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164 'username': username,
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165 'action': action,
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166 'repository': repo_name,
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167 'scm': 'git',
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168 'config': CONFIG['__file__'],
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169 'server_url': server_url,
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170 'make_lock': None,
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171 'locked_by': [None, None]
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172 }
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173
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174 #===================================================================
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175 # GIT REQUEST HANDLING
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176 #===================================================================
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177 str_repo_name = safe_str(repo_name)
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178 repo_path = os.path.join(safe_str(self.basepath),str_repo_name)
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179 log.debug('Repository path is %s' % repo_path)
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180
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181 # CHECK LOCKING only if it's not ANONYMOUS USER
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182 if username != User.DEFAULT_USER:
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183 log.debug('Checking locking on repository')
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184 (make_lock,
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185 locked,
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186 locked_by) = self._check_locking_state(
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187 environ=environ, action=action,
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188 repo=repo_name, user_id=user.user_id
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189 )
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190 # store the make_lock for later evaluation in hooks
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191 extras.update({'make_lock': make_lock,
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192 'locked_by': locked_by})
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193
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194 fix_PATH()
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195 log.debug('HOOKS extras is %s' % extras)
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196 baseui = make_ui('db')
2209
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197 self.__inject_extras(repo_path, baseui, extras)
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198
620
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199 try:
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200 self._handle_githooks(repo_name, action, baseui, environ)
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diff changeset
201 log.info('%s action on GIT repo "%s" by "%s" from %s' %
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202 (action, str_repo_name, safe_str(username), ip_addr))
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203 app = self.__make_app(repo_name, repo_path, extras)
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204 return app(environ, start_response)
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diff changeset
205 except HTTPLockedRC, e:
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diff changeset
206 _code = CONFIG.get('lock_ret_code')
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207 log.debug('Repository LOCKED ret code %s!' % (_code))
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208 return e(environ, start_response)
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209 except Exception:
620
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210 log.error(traceback.format_exc())
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211 return HTTPInternalServerError()(environ, start_response)
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diff changeset
212 finally:
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213 # invalidate cache on push
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214 if action == 'push':
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215 self._invalidate_cache(repo_name)
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216
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217 def __make_app(self, repo_name, repo_path, extras):
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218 """
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219 Make an wsgi application using dulserver
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220
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221 :param repo_name: name of the repository
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222 :param repo_path: full path to the repository
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223 """
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224
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diff changeset
225 from kallithea.lib.middleware.pygrack import make_wsgi_app
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diff changeset
226 app = make_wsgi_app(
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diff changeset
227 repo_root=safe_str(self.basepath),
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228 repo_name=repo_name,
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229 extras=extras,
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diff changeset
230 )
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231 return app
620
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232
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233 def __get_repository(self, environ):
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234 """
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diff changeset
235 Gets repository name out of PATH_INFO header
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diff changeset
236
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237 :param environ: environ where PATH_INFO is stored
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238 """
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diff changeset
239 try:
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diff changeset
240 environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
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diff changeset
241 repo_name = GIT_PROTO_PAT.match(environ['PATH_INFO']).group(1)
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242 except Exception:
918
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243 log.error(traceback.format_exc())
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diff changeset
244 raise
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diff changeset
245
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246 return repo_name
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diff changeset
247
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248 def __get_user(self, username):
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diff changeset
249 return User.get_by_username(username)
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250
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251 def __get_action(self, environ):
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252 """
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253 Maps git request commands into a pull or push command.
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254
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255 :param environ:
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256 """
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257 service = environ['QUERY_STRING'].split('=')
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258
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259 if len(service) > 1:
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260 service_cmd = service[1]
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261 mapping = {
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262 'git-receive-pack': 'push',
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263 'git-upload-pack': 'pull',
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264 }
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265 op = mapping[service_cmd]
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266 self._git_stored_op = op
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267 return op
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268 else:
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269 # try to fallback to stored variable as we don't know if the last
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270 # operation is pull/push
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271 op = getattr(self, '_git_stored_op', 'pull')
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272 return op
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273
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274 def _handle_githooks(self, repo_name, action, baseui, environ):
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275 """
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276 Handles pull action, push is handled by post-receive hook
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277 """
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278 from kallithea.lib.hooks import log_pull_action
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279 service = environ['QUERY_STRING'].split('=')
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280
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281 if len(service) < 2:
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282 return
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283
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284 from kallithea.model.db import Repository
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285 _repo = Repository.get_by_repo_name(repo_name)
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286 _repo = _repo.scm_instance
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287
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288 _hooks = dict(baseui.configitems('hooks')) or {}
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289 if action == 'pull':
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290 # stupid git, emulate pre-pull hook !
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291 pre_pull(ui=baseui, repo=_repo._repo)
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292 if action == 'pull' and _hooks.get(Ui.HOOK_PULL):
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293 log_pull_action(ui=baseui, repo=_repo._repo)
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294
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295 def __inject_extras(self, repo_path, baseui, extras={}):
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296 """
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297 Injects some extra params into baseui instance
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298
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299 :param baseui: baseui instance
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300 :param extras: dict with extra params to put into baseui
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301 """
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302
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303 _set_extras(extras)