svn: support proxy-prefix properly fixes #5521
svn: support proxy-prefix properly fixes #5521

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# -*- coding: utf-8 -*-
# Copyright (C) 2010-2018 RhodeCode GmbH
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <>.
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see
SimpleHG middleware for handling mercurial protocol request
(push/clone etc.). It's implemented with basic auth function
import logging
import urlparse
import urllib
from rhodecode.lib import utils
from rhodecode.lib.ext_json import json
from rhodecode.lib.middleware import simplevcs
log = logging.getLogger(__name__)
class SimpleHg(simplevcs.SimpleVCS):
SCM = 'hg'
def _get_repository_name(self, environ):
Gets repository name out of PATH_INFO header
:param environ: environ where PATH_INFO is stored
return environ['PATH_INFO'].strip('/')
'changegroup': 'pull',
'changegroupsubset': 'pull',
'getbundle': 'pull',
'stream_out': 'pull',
'listkeys': 'pull',
'between': 'pull',
'branchmap': 'pull',
'branches': 'pull',
'clonebundles': 'pull',
'capabilities': 'pull',
'debugwireargs': 'pull',
'heads': 'pull',
'lookup': 'pull',
'hello': 'pull',
'known': 'pull',
# largefiles
'putlfile': 'push',
'getlfile': 'pull',
'statlfile': 'pull',
'lheads': 'pull',
# evolve
'evoext_obshashrange_v1': 'pull',
'evoext_obshash': 'pull',
'evoext_obshash1': 'pull',
'unbundle': 'push',
'pushkey': 'push',
def _get_xarg_headers(cls, environ):
i = 1
chunks = [] # gather chunks stored in multiple 'hgarg_N'
while True:
head = environ.get('HTTP_X_HGARG_{}'.format(i))
if not head:
i += 1
full_arg = ''.join(chunks)
pref = 'cmds='
if full_arg.startswith(pref):
# strip the cmds= header defining our batch commands
full_arg = full_arg[len(pref):]
cmds = full_arg.split(';')
return cmds
def _get_batch_cmd(cls, environ):
Handle batch command send commands. Those are ';' separated commands
sent by batch command that server needs to execute. We need to extract
those, and map them to our ACTION_MAPPING to get all push/pull commands
specified in the batch
default = 'push'
batch_cmds = []
cmds = cls._get_xarg_headers(environ)
for pair in cmds:
parts = pair.split(' ', 1)
if len(parts) != 2:
# entry should be in a format `key ARGS`
cmd, args = parts
action = cls._ACTION_MAPPING.get(cmd, default)
except Exception:
log.exception('Failed to extract batch commands operations')
# in case we failed, (e.g malformed data) assume it's PUSH sub-command
# for safety
return batch_cmds or [default]
def _get_action(self, environ):
Maps mercurial request commands into a pull or push command.
In case of unknown/unexpected data, it returns 'push' to be safe.
:param environ:
default = 'push'
query = urlparse.parse_qs(environ['QUERY_STRING'],
if 'cmd' in query:
cmd = query['cmd'][0]
if cmd == 'batch':
cmds = self._get_batch_cmd(environ)
if 'push' in cmds:
return 'push'
return 'pull'
return self._ACTION_MAPPING.get(cmd, default)
return default
def _create_wsgi_app(self, repo_path, repo_name, config):
return self.scm_app.create_hg_wsgi_app(
repo_path, repo_name, config)
def _create_config(self, extras, repo_name):
config = utils.make_db_config(repo=repo_name)
config.set('rhodecode', 'RC_SCM_DATA', json.dumps(extras))
return config.serialize()