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# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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SimpleGit middleware for handling git protocol request (push/clone etc.)
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It's implemented with basic auth function
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"""
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import os
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import re
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import logging
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import urlparse
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import rhodecode
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from rhodecode.lib import utils
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from rhodecode.lib import utils2
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from rhodecode.lib.middleware import simplevcs
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log = logging.getLogger(__name__)
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GIT_PROTO_PAT = re.compile(
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r'^/(.+)/(info/refs|info/lfs/(.+)|git-upload-pack|git-receive-pack)')
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GIT_LFS_PROTO_PAT = re.compile(r'^/(.+)/(info/lfs/(.+))')
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def default_lfs_store():
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"""
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Default lfs store location, it's consistent with Mercurials large file
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store which is in .cache/largefiles
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"""
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from rhodecode.lib.vcs.backends.git import lfs_store
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user_home = os.path.expanduser("~")
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return lfs_store(user_home)
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class SimpleGit(simplevcs.SimpleVCS):
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SCM = 'git'
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def _get_repository_name(self, environ):
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"""
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Gets repository name out of PATH_INFO header
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:param environ: environ where PATH_INFO is stored
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"""
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repo_name = GIT_PROTO_PAT.match(environ['PATH_INFO']).group(1)
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# for GIT LFS, and bare format strip .git suffix from names
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if repo_name.endswith('.git'):
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repo_name = repo_name[:-4]
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return repo_name
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def _get_lfs_action(self, path, request_method):
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"""
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return an action based on LFS requests type.
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Those routes are handled inside vcsserver app.
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batch -> POST to /info/lfs/objects/batch => PUSH/PULL
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batch is based on the `operation.
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that could be download or upload, but those are only
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instructions to fetch so we return pull always
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download -> GET to /info/lfs/{oid} => PULL
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upload -> PUT to /info/lfs/{oid} => PUSH
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verification -> POST to /info/lfs/verify => PULL
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"""
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match_obj = GIT_LFS_PROTO_PAT.match(path)
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_parts = match_obj.groups()
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repo_name, path, operation = _parts
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log.debug(
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'LFS: detecting operation based on following '
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'data: %s, req_method:%s', _parts, request_method)
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if operation == 'verify':
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return 'pull'
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elif operation == 'objects/batch':
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# batch sends back instructions for API to dl/upl we report it
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# as pull
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if request_method == 'POST':
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return 'pull'
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elif operation:
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# probably a OID, upload is PUT, download a GET
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if request_method == 'GET':
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return 'pull'
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else:
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return 'push'
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# if default not found require push, as action
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return 'push'
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_ACTION_MAPPING = {
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'git-receive-pack': 'push',
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'git-upload-pack': 'pull',
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}
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def _get_action(self, environ):
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"""
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Maps git request commands into a pull or push command.
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In case of unknown/unexpected data, it returns 'pull' to be safe.
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:param environ:
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"""
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path = environ['PATH_INFO']
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if path.endswith('/info/refs'):
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query = urlparse.parse_qs(environ['QUERY_STRING'])
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service_cmd = query.get('service', [''])[0]
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return self._ACTION_MAPPING.get(service_cmd, 'pull')
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elif GIT_LFS_PROTO_PAT.match(environ['PATH_INFO']):
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return self._get_lfs_action(
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environ['PATH_INFO'], environ['REQUEST_METHOD'])
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elif path.endswith('/git-receive-pack'):
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return 'push'
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elif path.endswith('/git-upload-pack'):
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return 'pull'
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return 'pull'
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def _create_wsgi_app(self, repo_path, repo_name, config):
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return self.scm_app.create_git_wsgi_app(
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repo_path, repo_name, config)
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def _create_config(self, extras, repo_name):
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extras['git_update_server_info'] = utils2.str2bool(
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rhodecode.CONFIG.get('git_update_server_info'))
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config = utils.make_db_config(repo=repo_name)
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custom_store = config.get('vcs_git_lfs', 'store_location')
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extras['git_lfs_enabled'] = utils2.str2bool(
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config.get('vcs_git_lfs', 'enabled'))
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extras['git_lfs_store_path'] = custom_store or default_lfs_store()
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return extras
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