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# Copyright (C) 2008-2018 Jelmer Vernooij <jelmer@jelmer.uk>
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# Copyright (C) 2008 John Carr
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# Copyright (C) 2008-2011 Canonical Ltd
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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 General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from dulwich.server import TCPGitServer
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from ...controldir import (
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from .mapping import (
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from .object_store import (
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from dulwich.protocol import Protocol
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from dulwich.server import (
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class BzrBackend(Backend):
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"""A git serve backend that can use a Bazaar repository."""
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def __init__(self, transport):
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self.transport = transport
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self.mapping = default_mapping
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def open_repository(self, path):
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# FIXME: More secure path sanitization
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transport = self.transport.clone(path.lstrip("/"))
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trace.mutter('client opens %r: %r', path, transport)
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return BzrBackendRepo(transport, self.mapping)
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class BzrBackendRepo(BackendRepo):
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def __init__(self, transport, mapping):
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self.mapping = mapping
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self.repo_dir = ControlDir.open_from_transport(transport)
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self.repo = self.repo_dir.find_repository()
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self.object_store = get_object_store(self.repo)
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self.refs = get_refs_container(self.repo_dir, self.object_store)
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with self.object_store.lock_read():
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return self.refs.as_dict()
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def get_peeled(self, name):
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cached = self.refs.get_peeled(name)
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if cached is not None:
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return self.object_store.peel_sha(self.refs[name]).id
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def fetch_objects(self, determine_wants, graph_walker, progress,
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"""Yield git objects to send to client """
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with self.object_store.lock_read():
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wants = determine_wants(self.get_refs())
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have = self.object_store.find_common_revisions(graph_walker)
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return self.object_store.generate_pack_contents(have, wants, progress,
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get_tagged, lossy=(not self.mapping.roundtripping))
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class BzrTCPGitServer(TCPGitServer):
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def handle_error(self, request, client_address):
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trace.log_exception_quietly()
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trace.warning('Exception happened during processing of request '
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'from %s', client_address)
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def serve_git(transport, host=None, port=None, inet=False, timeout=None):
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backend = BzrBackend(transport)
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server = BzrTCPGitServer(backend, host, port)
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server = BzrTCPGitServer(backend, host)
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server.serve_forever()
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def git_http_hook(branch, method, path):
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from dulwich.web import HTTPGitApplication, HTTPGitRequest, DEFAULT_HANDLERS
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for (smethod, spath) in HTTPGitApplication.services:
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if smethod != method:
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mat = spath.search(path)
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handler = HTTPGitApplication.services[smethod, spath]
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backend = BzrBackend(branch.user_transport)
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def git_call(environ, start_response):
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req = HTTPGitRequest(environ, start_response, dumb=False,
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handlers=DEFAULT_HANDLERS)
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return handler(req, backend, mat)
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def serve_command(handler_cls, backend, inf=sys.stdin, outf=sys.stdout):
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"""Serve a single command.
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This is mostly useful for the implementation of commands used by e.g. git+ssh.
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:param handler_cls: `Handler` class to use for the request
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:param argv: execv-style command-line arguments. Defaults to sys.argv.
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:param backend: `Backend` to use
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:param inf: File-like object to read from, defaults to standard input.
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:param outf: File-like object to write to, defaults to standard output.
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:return: Exit code for use with sys.exit. 0 on success, 1 on failure.
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proto = Protocol(inf.read, send_fn)
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handler = handler_cls(backend, ["/"], proto)
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# FIXME: Catch exceptions and write a single-line summary to outf.
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def serve_git_receive_pack(transport, host=None, port=None, inet=False):
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raise errors.BzrCommandError(
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"git-receive-pack only works in inetd mode")
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backend = BzrBackend(transport)
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sys.exit(serve_command(ReceivePackHandler, backend=backend))
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def serve_git_upload_pack(transport, host=None, port=None, inet=False):
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raise errors.BzrCommandError(
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"git-receive-pack only works in inetd mode")
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backend = BzrBackend(transport)
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sys.exit(serve_command(UploadPackHandler, backend=backend))