|
|
# -*- coding: utf-8 -*-
|
|
|
"""
|
|
|
rhodecode.lib.middleware.simplegit
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
SimpleGit middleware for handling git protocol request (push/clone etc.)
|
|
|
It's implemented with basic auth function
|
|
|
|
|
|
:created_on: Apr 28, 2010
|
|
|
:author: marcink
|
|
|
:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
|
|
|
:license: GPLv3, see COPYING for more details.
|
|
|
"""
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
|
# it under the terms of the GNU General Public License as published by
|
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
|
# (at your option) any later version.
|
|
|
#
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
# GNU General Public License for more details.
|
|
|
#
|
|
|
# You should have received a copy of the GNU General Public License
|
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
import os
|
|
|
import re
|
|
|
import logging
|
|
|
import traceback
|
|
|
|
|
|
from dulwich import server as dulserver
|
|
|
|
|
|
|
|
|
class SimpleGitUploadPackHandler(dulserver.UploadPackHandler):
|
|
|
|
|
|
def handle(self):
|
|
|
write = lambda x: self.proto.write_sideband(1, x)
|
|
|
|
|
|
graph_walker = dulserver.ProtocolGraphWalker(self,
|
|
|
self.repo.object_store,
|
|
|
self.repo.get_peeled)
|
|
|
objects_iter = self.repo.fetch_objects(
|
|
|
graph_walker.determine_wants, graph_walker, self.progress,
|
|
|
get_tagged=self.get_tagged)
|
|
|
|
|
|
# Did the process short-circuit (e.g. in a stateless RPC call)? Note
|
|
|
# that the client still expects a 0-object pack in most cases.
|
|
|
if objects_iter is None:
|
|
|
return
|
|
|
|
|
|
self.progress("counting objects: %d, done.\n" % len(objects_iter))
|
|
|
dulserver.write_pack_objects(dulserver.ProtocolFile(None, write),
|
|
|
objects_iter)
|
|
|
messages = []
|
|
|
messages.append('thank you for using rhodecode')
|
|
|
|
|
|
for msg in messages:
|
|
|
self.progress(msg + "\n")
|
|
|
# we are done
|
|
|
self.proto.write("0000")
|
|
|
|
|
|
|
|
|
dulserver.DEFAULT_HANDLERS = {
|
|
|
'git-upload-pack': SimpleGitUploadPackHandler,
|
|
|
'git-receive-pack': dulserver.ReceivePackHandler,
|
|
|
}
|
|
|
|
|
|
from dulwich.repo import Repo
|
|
|
from dulwich.web import make_wsgi_chain
|
|
|
|
|
|
from paste.httpheaders import REMOTE_USER, AUTH_TYPE
|
|
|
|
|
|
from rhodecode.lib.utils2 import safe_str
|
|
|
from rhodecode.lib.base import BaseVCSController
|
|
|
from rhodecode.lib.auth import get_container_username
|
|
|
from rhodecode.lib.utils import is_valid_repo, make_ui
|
|
|
from rhodecode.model.db import User
|
|
|
|
|
|
from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
GIT_PROTO_PAT = re.compile(r'^/(.+)/(info/refs|git-upload-pack|git-receive-pack)')
|
|
|
|
|
|
|
|
|
def is_git(environ):
|
|
|
path_info = environ['PATH_INFO']
|
|
|
isgit_path = GIT_PROTO_PAT.match(path_info)
|
|
|
log.debug('pathinfo: %s detected as GIT %s' % (
|
|
|
path_info, isgit_path != None)
|
|
|
)
|
|
|
return isgit_path
|
|
|
|
|
|
|
|
|
class SimpleGit(BaseVCSController):
|
|
|
|
|
|
def _handle_request(self, environ, start_response):
|
|
|
|
|
|
if not is_git(environ):
|
|
|
return self.application(environ, start_response)
|
|
|
|
|
|
ipaddr = self._get_ip_addr(environ)
|
|
|
username = None
|
|
|
self._git_first_op = False
|
|
|
# skip passing error to error controller
|
|
|
environ['pylons.status_code_redirect'] = True
|
|
|
|
|
|
#======================================================================
|
|
|
# EXTRACT REPOSITORY NAME FROM ENV
|
|
|
#======================================================================
|
|
|
try:
|
|
|
repo_name = self.__get_repository(environ)
|
|
|
log.debug('Extracted repo name is %s' % repo_name)
|
|
|
except:
|
|
|
return HTTPInternalServerError()(environ, start_response)
|
|
|
|
|
|
# quick check if that dir exists...
|
|
|
if is_valid_repo(repo_name, self.basepath) is False:
|
|
|
return HTTPNotFound()(environ, start_response)
|
|
|
|
|
|
#======================================================================
|
|
|
# GET ACTION PULL or PUSH
|
|
|
#======================================================================
|
|
|
action = self.__get_action(environ)
|
|
|
|
|
|
#======================================================================
|
|
|
# CHECK ANONYMOUS PERMISSION
|
|
|
#======================================================================
|
|
|
if action in ['pull', 'push']:
|
|
|
anonymous_user = self.__get_user('default')
|
|
|
username = anonymous_user.username
|
|
|
anonymous_perm = self._check_permission(action, anonymous_user,
|
|
|
repo_name)
|
|
|
|
|
|
if anonymous_perm is not True or anonymous_user.active is False:
|
|
|
if anonymous_perm is not True:
|
|
|
log.debug('Not enough credentials to access this '
|
|
|
'repository as anonymous user')
|
|
|
if anonymous_user.active is False:
|
|
|
log.debug('Anonymous access is disabled, running '
|
|
|
'authentication')
|
|
|
#==============================================================
|
|
|
# DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
|
|
|
# NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
|
|
|
#==============================================================
|
|
|
|
|
|
# Attempting to retrieve username from the container
|
|
|
username = get_container_username(environ, self.config)
|
|
|
|
|
|
# If not authenticated by the container, running basic auth
|
|
|
if not username:
|
|
|
self.authenticate.realm = \
|
|
|
safe_str(self.config['rhodecode_realm'])
|
|
|
result = self.authenticate(environ)
|
|
|
if isinstance(result, str):
|
|
|
AUTH_TYPE.update(environ, 'basic')
|
|
|
REMOTE_USER.update(environ, result)
|
|
|
username = result
|
|
|
else:
|
|
|
return result.wsgi_application(environ, start_response)
|
|
|
|
|
|
#==============================================================
|
|
|
# CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
|
|
|
#==============================================================
|
|
|
if action in ['pull', 'push']:
|
|
|
try:
|
|
|
user = self.__get_user(username)
|
|
|
if user is None or not user.active:
|
|
|
return HTTPForbidden()(environ, start_response)
|
|
|
username = user.username
|
|
|
except:
|
|
|
log.error(traceback.format_exc())
|
|
|
return HTTPInternalServerError()(environ,
|
|
|
start_response)
|
|
|
|
|
|
#check permissions for this repository
|
|
|
perm = self._check_permission(action, user, repo_name)
|
|
|
if perm is not True:
|
|
|
return HTTPForbidden()(environ, start_response)
|
|
|
extras = {
|
|
|
'ip': ipaddr,
|
|
|
'username': username,
|
|
|
'action': action,
|
|
|
'repository': repo_name,
|
|
|
'scm': 'git',
|
|
|
}
|
|
|
|
|
|
#===================================================================
|
|
|
# GIT REQUEST HANDLING
|
|
|
#===================================================================
|
|
|
repo_path = os.path.join(safe_str(self.basepath), safe_str(repo_name))
|
|
|
log.debug('Repository path is %s' % repo_path)
|
|
|
|
|
|
baseui = make_ui('db')
|
|
|
for k, v in extras.items():
|
|
|
baseui.setconfig('rhodecode_extras', k, v)
|
|
|
|
|
|
try:
|
|
|
# invalidate cache on push
|
|
|
if action == 'push':
|
|
|
self._invalidate_cache(repo_name)
|
|
|
self._handle_githooks(action, baseui, environ)
|
|
|
|
|
|
log.info('%s action on GIT repo "%s"' % (action, repo_name))
|
|
|
app = self.__make_app(repo_name, repo_path)
|
|
|
return app(environ, start_response)
|
|
|
except Exception:
|
|
|
log.error(traceback.format_exc())
|
|
|
return HTTPInternalServerError()(environ, start_response)
|
|
|
|
|
|
def __make_app(self, repo_name, repo_path):
|
|
|
"""
|
|
|
Make an wsgi application using dulserver
|
|
|
|
|
|
:param repo_name: name of the repository
|
|
|
:param repo_path: full path to the repository
|
|
|
"""
|
|
|
_d = {'/' + repo_name: Repo(repo_path)}
|
|
|
backend = dulserver.DictBackend(_d)
|
|
|
gitserve = make_wsgi_chain(backend)
|
|
|
|
|
|
return gitserve
|
|
|
|
|
|
def __get_repository(self, environ):
|
|
|
"""
|
|
|
Get's repository name out of PATH_INFO header
|
|
|
|
|
|
:param environ: environ where PATH_INFO is stored
|
|
|
"""
|
|
|
try:
|
|
|
environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
|
|
|
repo_name = GIT_PROTO_PAT.match(environ['PATH_INFO']).group(1)
|
|
|
except:
|
|
|
log.error(traceback.format_exc())
|
|
|
raise
|
|
|
|
|
|
return repo_name
|
|
|
|
|
|
def __get_user(self, username):
|
|
|
return User.get_by_username(username)
|
|
|
|
|
|
def __get_action(self, environ):
|
|
|
"""
|
|
|
Maps git request commands into a pull or push command.
|
|
|
|
|
|
:param environ:
|
|
|
"""
|
|
|
service = environ['QUERY_STRING'].split('=')
|
|
|
|
|
|
if len(service) > 1:
|
|
|
service_cmd = service[1]
|
|
|
mapping = {
|
|
|
'git-receive-pack': 'push',
|
|
|
'git-upload-pack': 'pull',
|
|
|
}
|
|
|
op = mapping[service_cmd]
|
|
|
self._git_stored_op = op
|
|
|
return op
|
|
|
else:
|
|
|
# try to fallback to stored variable as we don't know if the last
|
|
|
# operation is pull/push
|
|
|
op = getattr(self, '_git_stored_op', 'pull')
|
|
|
return op
|
|
|
|
|
|
def _handle_githooks(self, action, baseui, environ):
|
|
|
|
|
|
from rhodecode.lib.hooks import log_pull_action, log_push_action
|
|
|
service = environ['QUERY_STRING'].split('=')
|
|
|
if len(service) < 2:
|
|
|
return
|
|
|
|
|
|
class cont(object):
|
|
|
pass
|
|
|
|
|
|
repo = cont()
|
|
|
setattr(repo, 'ui', baseui)
|
|
|
|
|
|
push_hook = 'pretxnchangegroup.push_logger'
|
|
|
pull_hook = 'preoutgoing.pull_logger'
|
|
|
_hooks = dict(baseui.configitems('hooks')) or {}
|
|
|
if action == 'push' and _hooks.get(push_hook):
|
|
|
log_push_action(ui=baseui, repo=repo)
|
|
|
elif action == 'pull' and _hooks.get(pull_hook):
|
|
|
log_pull_action(ui=baseui, repo=repo)
|
|
|
|
