139 lines
4.8 KiB
Python
139 lines
4.8 KiB
Python
# Copyright (C) 2010-2024 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 urllib.parse
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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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from rhodecode.lib.middleware.utils import get_path_info
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log = logging.getLogger(__name__)
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GIT_PROTO_PAT = re.compile(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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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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path_info = get_path_info(environ)
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repo_name = GIT_PROTO_PAT.match(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("LFS: detecting operation based on following 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 = get_path_info(environ)
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if path.endswith("/info/refs"):
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query = urllib.parse.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(path):
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return self._get_lfs_action(path, 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(repo_path, repo_name, config)
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def _create_config(self, extras, repo_name, scheme="http"):
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extras["git_update_server_info"] = utils2.str2bool(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(config.get("vcs_git_lfs", "enabled"))
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extras["git_lfs_store_path"] = custom_store
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extras["git_lfs_http_scheme"] = scheme
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return extras
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