Mercurial > kallithea

annotate kallithea/lib/middleware/simplegit.py @ 5986:b99e00fb6dd4

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lock: simplify debug logging - use the actual response code
author Mads Kiilerich <madski@unity3d.com>
date Sat, 25 Jun 2016 02:57:44 +0200
parents 52356a58c1f6
children 81ff11476d16
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 This file was forked by the Kallithea project in July 2014.
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22 Original author and date, and relevant copyright and licensing information is below:
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23 :created_on: Apr 28, 2010
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24 :author: marcink
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25 :copyright: (c) 2013 RhodeCode GmbH, and others.
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26 :license: GPLv3, see LICENSE.md for more details.
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27
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28 """
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29
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30
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31 import os
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32 import re
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33 import logging
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34 import traceback
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35
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36 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
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37 from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError, \
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38 HTTPNotAcceptable
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39 from kallithea.model.db import User, Ui
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40
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41 from kallithea.lib.utils2 import safe_str, safe_unicode, fix_PATH, get_server_url, \
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42 _set_extras
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43 from kallithea.lib.base import BaseVCSController, WSGIResultCloseCallback
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44 from kallithea.lib.utils import make_ui, is_valid_repo
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45 from kallithea.lib.exceptions import HTTPLockedRC
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46 from kallithea.lib.hooks import pre_pull
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47 from kallithea.lib import auth_modules
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48
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49 log = logging.getLogger(__name__)
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50
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51
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52 GIT_PROTO_PAT = re.compile(r'^/(.+)/(info/refs|git-upload-pack|git-receive-pack)')
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53
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54
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55 def is_git(environ):
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56 path_info = environ['PATH_INFO']
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57 isgit_path = GIT_PROTO_PAT.match(path_info)
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58 log.debug('pathinfo: %s detected as Git %s',
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59 path_info, isgit_path is not None
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60 )
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61 return isgit_path
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62
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63
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64 class SimpleGit(BaseVCSController):
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65
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66 def _handle_request(self, environ, start_response):
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67 if not is_git(environ):
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68 return self.application(environ, start_response)
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69 if not self._check_ssl(environ):
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70 return HTTPNotAcceptable('SSL REQUIRED !')(environ, start_response)
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71
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72 ip_addr = self._get_ip_addr(environ)
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73 username = None
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74 self._git_first_op = False
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75 # skip passing error to error controller
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76 environ['pylons.status_code_redirect'] = True
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77
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78 #======================================================================
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79 # EXTRACT REPOSITORY NAME FROM ENV
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80 #======================================================================
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81 try:
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82 str_repo_name = self.__get_repository(environ)
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83 repo_name = safe_unicode(str_repo_name)
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84 log.debug('Extracted repo name is %s', repo_name)
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85 except Exception as e:
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86 log.error('error extracting repo_name: %r', e)
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87 return HTTPInternalServerError()(environ, start_response)
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88
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89 # quick check if that dir exists...
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90 if not is_valid_repo(repo_name, self.basepath, 'git'):
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91 return HTTPNotFound()(environ, start_response)
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92
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93 #======================================================================
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94 # GET ACTION PULL or PUSH
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95 #======================================================================
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96 action = self.__get_action(environ)
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97
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98 #======================================================================
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99 # CHECK ANONYMOUS PERMISSION
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100 #======================================================================
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101 if action in ['pull', 'push']:
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102 anonymous_user = User.get_default_user(cache=True)
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103 username = anonymous_user.username
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104 if anonymous_user.active:
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105 # ONLY check permissions if the user is activated
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106 anonymous_perm = self._check_permission(action, anonymous_user,
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107 repo_name, ip_addr)
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108 else:
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109 anonymous_perm = False
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110
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111 if not anonymous_user.active or not anonymous_perm:
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112 if not anonymous_user.active:
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113 log.debug('Anonymous access is disabled, running '
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114 'authentication')
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115
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116 if not anonymous_perm:
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117 log.debug('Not enough credentials to access this '
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118 'repository as anonymous user')
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119
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120 username = None
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121 #==============================================================
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122 # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
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123 # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
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124 #==============================================================
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125
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126 # try to auth based on environ, container auth methods
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127 log.debug('Running PRE-AUTH for container based authentication')
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128 pre_auth = auth_modules.authenticate('', '', environ)
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129 if pre_auth is not None and pre_auth.get('username'):
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130 username = pre_auth['username']
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131 log.debug('PRE-AUTH got %s as username', username)
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132
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133 # If not authenticated by the container, running basic auth
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134 if not username:
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135 self.authenticate.realm = \
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136 safe_str(self.config['realm'])
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137 result = self.authenticate(environ)
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138 if isinstance(result, str):
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139 AUTH_TYPE.update(environ, 'basic')
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140 REMOTE_USER.update(environ, result)
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141 username = result
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142 else:
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143 return result.wsgi_application(environ, start_response)
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144
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145 #==============================================================
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146 # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
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147 #==============================================================
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148 try:
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149 user = User.get_by_username_or_email(username)
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150 if user is None or not user.active:
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151 return HTTPForbidden()(environ, start_response)
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152 username = user.username
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153 except Exception:
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154 log.error(traceback.format_exc())
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155 return HTTPInternalServerError()(environ, start_response)
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156
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157 #check permissions for this repository
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158 perm = self._check_permission(action, user, repo_name, ip_addr)
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159 if not perm:
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160 return HTTPForbidden()(environ, start_response)
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161
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162 # extras are injected into UI object and later available
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163 # in hooks executed by kallithea
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164 from kallithea import CONFIG
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165 server_url = get_server_url(environ)
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166 extras = {
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167 'ip': ip_addr,
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168 'username': username,
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169 'action': action,
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170 'repository': repo_name,
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171 'scm': 'git',
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172 'config': CONFIG['__file__'],
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173 'server_url': server_url,
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174 'make_lock': None,
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175 'locked_by': [None, None]
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176 }
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177
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178 #===================================================================
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179 # GIT REQUEST HANDLING
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180 #===================================================================
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181 repo_path = os.path.join(safe_str(self.basepath),str_repo_name)
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182 log.debug('Repository path is %s', repo_path)
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183
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184 # CHECK LOCKING only if it's not ANONYMOUS USER
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185 if username != User.DEFAULT_USER:
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186 log.debug('Checking locking on repository')
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187 (make_lock,
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188 locked,
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189 locked_by) = self._check_locking_state(
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190 environ=environ, action=action,
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191 repo=repo_name, user_id=user.user_id
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192 )
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193 # store the make_lock for later evaluation in hooks
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194 extras.update({'make_lock': make_lock,
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195 'locked_by': locked_by})
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196
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197 fix_PATH()
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198 log.debug('HOOKS extras is %s', extras)
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199 baseui = make_ui('db')
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200 self.__inject_extras(repo_path, baseui, extras)
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201
620
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202 try:
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203 self._handle_githooks(repo_name, action, baseui, environ)
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204 log.info('%s action on Git repo "%s" by "%s" from %s',
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205 action, str_repo_name, safe_str(username), ip_addr)
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206 app = self.__make_app(repo_name, repo_path, extras)
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207 result = app(environ, start_response)
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208 if action == 'push':
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209 result = WSGIResultCloseCallback(result,
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210 lambda: self._invalidate_cache(repo_name))
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211 return result
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diff changeset
212 except HTTPLockedRC as e:
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213 log.debug('Locked, response %s: %s', e.code, e.title)
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214 return e(environ, start_response)
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215 except Exception:
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216 log.error(traceback.format_exc())
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217 return HTTPInternalServerError()(environ, start_response)
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218
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219 def __make_app(self, repo_name, repo_path, extras):
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220 """
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221 Make an wsgi application using dulserver
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222
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223 :param repo_name: name of the repository
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224 :param repo_path: full path to the repository
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225 """
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226
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diff changeset
227 from kallithea.lib.middleware.pygrack import make_wsgi_app
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228 app = make_wsgi_app(
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diff changeset
229 repo_root=safe_str(self.basepath),
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230 repo_name=repo_name,
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231 extras=extras,
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diff changeset
232 )
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233 return app
620
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234
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235 def __get_repository(self, environ):
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236 """
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237 Gets repository name out of PATH_INFO header
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238
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239 :param environ: environ where PATH_INFO is stored
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240 """
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diff changeset
241 try:
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diff changeset
242 environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
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diff changeset
243 repo_name = GIT_PROTO_PAT.match(environ['PATH_INFO']).group(1)
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244 except Exception:
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245 log.error(traceback.format_exc())
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diff changeset
246 raise
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247
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248 return repo_name
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249
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250 def __get_action(self, environ):
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251 """
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252 Maps git request commands into a pull or push command.
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253
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254 :param environ:
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255 """
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256 service = environ['QUERY_STRING'].split('=')
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257
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258 if len(service) > 1:
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259 service_cmd = service[1]
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260 mapping = {
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261 'git-receive-pack': 'push',
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262 'git-upload-pack': 'pull',
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263 }
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264 op = mapping[service_cmd]
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265 self._git_stored_op = op
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266 return op
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267 else:
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268 # try to fallback to stored variable as we don't know if the last
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269 # operation is pull/push
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270 op = getattr(self, '_git_stored_op', 'pull')
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271 return op
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272
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273 def _handle_githooks(self, repo_name, action, baseui, environ):
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274 """
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275 Handles pull action, push is handled by post-receive hook
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276 """
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277 from kallithea.lib.hooks import log_pull_action
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278 service = environ['QUERY_STRING'].split('=')
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279
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280 if len(service) < 2:
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281 return
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282
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283 from kallithea.model.db import Repository
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284 _repo = Repository.get_by_repo_name(repo_name)
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285 _repo = _repo.scm_instance
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286
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287 _hooks = dict(baseui.configitems('hooks')) or {}
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288 if action == 'pull':
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289 # stupid git, emulate pre-pull hook !
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290 pre_pull(ui=baseui, repo=_repo._repo)
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291 if action == 'pull' and _hooks.get(Ui.HOOK_PULL):
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292 log_pull_action(ui=baseui, repo=_repo._repo)
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293
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294 def __inject_extras(self, repo_path, baseui, extras=None):
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295 """
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296 Injects some extra params into baseui instance
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297
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298 :param baseui: baseui instance
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299 :param extras: dict with extra params to put into baseui
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300 """
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301 _set_extras(extras or {})