svn-support: Use utf-8 to encode mod_dav_svn configuration before writing to disk.

Repository or group names may contain non ASCII characters. Therfore we have to
encode the configuration before writing it to the file.

rhodecode/svn_support/utils.py

@@ -1,86 +1,88 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2016  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
 # 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 Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # 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 https://rhodecode.com/licenses/
 
+import codecs
 import logging
 import os
 
 from pyramid.renderers import render
 
 from rhodecode.lib.utils import get_rhodecode_realm
 from rhodecode.model.db import RepoGroup
 from rhodecode.model.settings import SettingsModel
 from . import config_keys
 
 
 log = logging.getLogger(__name__)
 
 
 def generate_mod_dav_svn_config(settings):
     """
     Generate the configuration file for use with subversion's mod_dav_svn
     module. The configuration has to contain a <Location> block for each
     available repository group because the mod_dav_svn module does not support
     repositories organized in sub folders.
     """
     parent_path_root = SettingsModel().get_ui_by_section_and_key(
         'paths', '/').ui_value
     config = _render_mod_dav_svn_config(
         parent_path_root=parent_path_root,
         list_parent_path=settings[config_keys.list_parent_path],
         location_root=settings[config_keys.location_root],
         repo_groups=RepoGroup.get_all_repo_groups())
     _write_mod_dav_svn_config(config, settings[config_keys.config_file_path])
 
 
 def _render_mod_dav_svn_config(
         parent_path_root, list_parent_path, location_root, repo_groups):
     """
     Render mod_dav_svn configuration to string.
     """
     repo_group_paths = []
     for repo_group in repo_groups:
         group_path = repo_group.full_path_splitted
         location = os.path.join(location_root, *group_path)
         parent_path = os.path.join(parent_path_root, *group_path)
         repo_group_paths.append((location, parent_path))
 
     context = {
         'location_root': location_root,
         'parent_path_root': parent_path_root,
         'repo_group_paths': repo_group_paths,
         'svn_list_parent_path': list_parent_path,
         'rhodecode_realm': get_rhodecode_realm(),
     }
 
     # Render the configuration template to string.
     template = 'rhodecode:svn_support/templates/mod-dav-svn.conf.mako'
     return render(template, context)
 
 
 def _write_mod_dav_svn_config(config, filepath):
     """
     Write mod_dav_svn config to file. Log on exceptions but do not raise.
     """
     try:
-        with open(filepath, 'w') as file_:
-            file_.write(config)
+        with codecs.open(filepath, 'w', encoding='utf-8') as f:
+            f.write(config)
     except Exception:
         log.exception(
-            'Can not write mod_dav_svn configuration to "%s"', filepath)
+            'Exception while writing mod_dav_svn configuration to '
+            '"%s"', filepath)