# -*- 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 # 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 . # # 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 os import sys import logging import collections import tempfile from paste.gzipper import make_gzip_middleware import pyramid.events from pyramid.wsgi import wsgiapp from pyramid.authorization import ACLAuthorizationPolicy from pyramid.config import Configurator from pyramid.settings import asbool, aslist from pyramid.httpexceptions import ( HTTPException, HTTPError, HTTPInternalServerError, HTTPFound, HTTPNotFound) from pyramid.renderers import render_to_response from rhodecode.model import meta from rhodecode.config import patches from rhodecode.config import utils as config_utils from rhodecode.config.environment import load_pyramid_environment import rhodecode.events from rhodecode.lib.middleware.vcs import VCSMiddleware from rhodecode.lib.request import Request from rhodecode.lib.vcs import VCSCommunicationError from rhodecode.lib.exceptions import VCSServerUnavailable from rhodecode.lib.middleware.appenlight import wrap_in_appenlight_if_enabled from rhodecode.lib.middleware.https_fixup import HttpsFixup from rhodecode.lib.celerylib.loader import configure_celery from rhodecode.lib.plugins.utils import register_rhodecode_plugin from rhodecode.lib.utils2 import aslist as rhodecode_aslist, AttributeDict from rhodecode.lib.exc_tracking import store_exception from rhodecode.subscribers import ( scan_repositories_if_enabled, write_js_routes_if_enabled, write_metadata_if_needed, inject_app_settings) log = logging.getLogger(__name__) def is_http_error(response): # error which should have traceback return response.status_code > 499 def make_pyramid_app(global_config, **settings): """ Constructs the WSGI application based on Pyramid. Specials: * The application can also be integrated like a plugin via the call to `includeme`. This is accompanied with the other utility functions which are called. Changing this should be done with great care to not break cases when these fragments are assembled from another place. """ # Allows to use format style "{ENV_NAME}" placeholders in the configuration. It # will be replaced by the value of the environment variable "NAME" in this case. environ = { 'ENV_{}'.format(key): value for key, value in os.environ.items()} global_config = _substitute_values(global_config, environ) settings = _substitute_values(settings, environ) sanitize_settings_and_apply_defaults(settings) config = Configurator(settings=settings) # Apply compatibility patches patches.inspect_getargspec() load_pyramid_environment(global_config, settings) # Static file view comes first includeme_first(config) includeme(config) pyramid_app = config.make_wsgi_app() pyramid_app = wrap_app_in_wsgi_middlewares(pyramid_app, config) pyramid_app.config = config config.configure_celery(global_config['__file__']) # creating the app uses a connection - return it after we are done meta.Session.remove() log.info('Pyramid app %s created and configured.', pyramid_app) return pyramid_app def not_found_view(request): """ This creates the view which should be registered as not-found-view to pyramid. """ if not getattr(request, 'vcs_call', None): # handle like regular case with our error_handler return error_handler(HTTPNotFound(), request) # handle not found view as a vcs call settings = request.registry.settings ae_client = getattr(request, 'ae_client', None) vcs_app = VCSMiddleware( HTTPNotFound(), request.registry, settings, appenlight_client=ae_client) return wsgiapp(vcs_app)(None, request) def error_handler(exception, request): import rhodecode from rhodecode.lib import helpers rhodecode_title = rhodecode.CONFIG.get('rhodecode_title') or 'RhodeCode' base_response = HTTPInternalServerError() # prefer original exception for the response since it may have headers set if isinstance(exception, HTTPException): base_response = exception elif isinstance(exception, VCSCommunicationError): base_response = VCSServerUnavailable() if is_http_error(base_response): log.exception( 'error occurred handling this request for path: %s', request.path) error_explanation = base_response.explanation or str(base_response) if base_response.status_code == 404: error_explanation += " Or you don't have permission to access it." c = AttributeDict() c.error_message = base_response.status c.error_explanation = error_explanation c.visual = AttributeDict() c.visual.rhodecode_support_url = ( request.registry.settings.get('rhodecode_support_url') or request.route_url('rhodecode_support') ) c.redirect_time = 0 c.rhodecode_name = rhodecode_title if not c.rhodecode_name: c.rhodecode_name = 'Rhodecode' c.causes = [] if is_http_error(base_response): c.causes.append('Server is overloaded.') c.causes.append('Server database connection is lost.') c.causes.append('Server expected unhandled error.') if hasattr(base_response, 'causes'): c.causes = base_response.causes c.messages = helpers.flash.pop_messages(request=request) exc_info = sys.exc_info() c.exception_id = id(exc_info) c.show_exception_id = isinstance(base_response, VCSServerUnavailable) \ or base_response.status_code > 499 c.exception_id_url = request.route_url( 'admin_settings_exception_tracker_show', exception_id=c.exception_id) if c.show_exception_id: store_exception(c.exception_id, exc_info) response = render_to_response( '/errors/error_document.mako', {'c': c, 'h': helpers}, request=request, response=base_response) return response def includeme_first(config): # redirect automatic browser favicon.ico requests to correct place def favicon_redirect(context, request): return HTTPFound( request.static_path('rhodecode:public/images/favicon.ico')) config.add_view(favicon_redirect, route_name='favicon') config.add_route('favicon', '/favicon.ico') def robots_redirect(context, request): return HTTPFound( request.static_path('rhodecode:public/robots.txt')) config.add_view(robots_redirect, route_name='robots') config.add_route('robots', '/robots.txt') config.add_static_view( '_static/deform', 'deform:static') config.add_static_view( '_static/rhodecode', path='rhodecode:public', cache_max_age=3600 * 24) def includeme(config): settings = config.registry.settings config.set_request_factory(Request) # plugin information config.registry.rhodecode_plugins = collections.OrderedDict() config.add_directive( 'register_rhodecode_plugin', register_rhodecode_plugin) config.add_directive('configure_celery', configure_celery) if asbool(settings.get('appenlight', 'false')): config.include('appenlight_client.ext.pyramid_tween') # Includes which are required. The application would fail without them. config.include('pyramid_mako') config.include('pyramid_beaker') config.include('rhodecode.lib.rc_cache') config.include('rhodecode.authentication') config.include('rhodecode.integrations') # apps config.include('rhodecode.apps._base') config.include('rhodecode.apps.ops') config.include('rhodecode.apps.admin') config.include('rhodecode.apps.channelstream') config.include('rhodecode.apps.login') config.include('rhodecode.apps.home') config.include('rhodecode.apps.journal') config.include('rhodecode.apps.repository') config.include('rhodecode.apps.repo_group') config.include('rhodecode.apps.user_group') config.include('rhodecode.apps.search') config.include('rhodecode.apps.user_profile') config.include('rhodecode.apps.user_group_profile') config.include('rhodecode.apps.my_account') config.include('rhodecode.apps.svn_support') config.include('rhodecode.apps.ssh_support') config.include('rhodecode.apps.gist') config.include('rhodecode.apps.debug_style') config.include('rhodecode.tweens') config.include('rhodecode.api') config.add_route( 'rhodecode_support', 'https://rhodecode.com/help/', static=True) config.add_translation_dirs('rhodecode:i18n/') settings['default_locale_name'] = settings.get('lang', 'en') # Add subscribers. config.add_subscriber(inject_app_settings, pyramid.events.ApplicationCreated) config.add_subscriber(scan_repositories_if_enabled, pyramid.events.ApplicationCreated) config.add_subscriber(write_metadata_if_needed, pyramid.events.ApplicationCreated) config.add_subscriber(write_js_routes_if_enabled, pyramid.events.ApplicationCreated) # request custom methods config.add_request_method( 'rhodecode.lib.partial_renderer.get_partial_renderer', 'get_partial_renderer') # Set the authorization policy. authz_policy = ACLAuthorizationPolicy() config.set_authorization_policy(authz_policy) # Set the default renderer for HTML templates to mako. config.add_mako_renderer('.html') config.add_renderer( name='json_ext', factory='rhodecode.lib.ext_json_renderer.pyramid_ext_json') # include RhodeCode plugins includes = aslist(settings.get('rhodecode.includes', [])) for inc in includes: config.include(inc) # custom not found view, if our pyramid app doesn't know how to handle # the request pass it to potential VCS handling ap config.add_notfound_view(not_found_view) if not settings.get('debugtoolbar.enabled', False): # disabled debugtoolbar handle all exceptions via the error_handlers config.add_view(error_handler, context=Exception) # all errors including 403/404/50X config.add_view(error_handler, context=HTTPError) def wrap_app_in_wsgi_middlewares(pyramid_app, config): """ Apply outer WSGI middlewares around the application. """ registry = config.registry settings = registry.settings # enable https redirects based on HTTP_X_URL_SCHEME set by proxy pyramid_app = HttpsFixup(pyramid_app, settings) pyramid_app, _ae_client = wrap_in_appenlight_if_enabled( pyramid_app, settings) registry.ae_client = _ae_client if settings['gzip_responses']: pyramid_app = make_gzip_middleware( pyramid_app, settings, compress_level=1) # this should be the outer most middleware in the wsgi stack since # middleware like Routes make database calls def pyramid_app_with_cleanup(environ, start_response): try: return pyramid_app(environ, start_response) finally: # Dispose current database session and rollback uncommitted # transactions. meta.Session.remove() # In a single threaded mode server, on non sqlite db we should have # '0 Current Checked out connections' at the end of a request, # if not, then something, somewhere is leaving a connection open pool = meta.Base.metadata.bind.engine.pool log.debug('sa pool status: %s', pool.status()) log.debug('Request processing finalized') return pyramid_app_with_cleanup def sanitize_settings_and_apply_defaults(settings): """ Applies settings defaults and does all type conversion. We would move all settings parsing and preparation into this place, so that we have only one place left which deals with this part. The remaining parts of the application would start to rely fully on well prepared settings. This piece would later be split up per topic to avoid a big fat monster function. """ settings.setdefault('rhodecode.edition', 'Community Edition') if 'mako.default_filters' not in settings: # set custom default filters if we don't have it defined settings['mako.imports'] = 'from rhodecode.lib.base import h_filter' settings['mako.default_filters'] = 'h_filter' if 'mako.directories' not in settings: mako_directories = settings.setdefault('mako.directories', [ # Base templates of the original application 'rhodecode:templates', ]) log.debug( "Using the following Mako template directories: %s", mako_directories) # Default includes, possible to change as a user pyramid_includes = settings.setdefault('pyramid.includes', [ 'rhodecode.lib.middleware.request_wrapper', ]) log.debug( "Using the following pyramid.includes: %s", pyramid_includes) # TODO: johbo: Re-think this, usually the call to config.include # should allow to pass in a prefix. settings.setdefault('rhodecode.api.url', '/_admin/api') # Sanitize generic settings. _list_setting(settings, 'default_encoding', 'UTF-8') _bool_setting(settings, 'is_test', 'false') _bool_setting(settings, 'gzip_responses', 'false') # Call split out functions that sanitize settings for each topic. _sanitize_appenlight_settings(settings) _sanitize_vcs_settings(settings) _sanitize_cache_settings(settings) # configure instance id config_utils.set_instance_id(settings) return settings def _sanitize_appenlight_settings(settings): _bool_setting(settings, 'appenlight', 'false') def _sanitize_vcs_settings(settings): """ Applies settings defaults and does type conversion for all VCS related settings. """ _string_setting(settings, 'vcs.svn.compatible_version', '') _string_setting(settings, 'git_rev_filter', '--all') _string_setting(settings, 'vcs.hooks.protocol', 'http') _string_setting(settings, 'vcs.hooks.host', '127.0.0.1') _string_setting(settings, 'vcs.scm_app_implementation', 'http') _string_setting(settings, 'vcs.server', '') _string_setting(settings, 'vcs.server.log_level', 'debug') _string_setting(settings, 'vcs.server.protocol', 'http') _bool_setting(settings, 'startup.import_repos', 'false') _bool_setting(settings, 'vcs.hooks.direct_calls', 'false') _bool_setting(settings, 'vcs.server.enable', 'true') _bool_setting(settings, 'vcs.start_server', 'false') _list_setting(settings, 'vcs.backends', 'hg, git, svn') _int_setting(settings, 'vcs.connection_timeout', 3600) # Support legacy values of vcs.scm_app_implementation. Legacy # configurations may use 'rhodecode.lib.middleware.utils.scm_app_http', or # disabled since 4.13 'vcsserver.scm_app' which is now mapped to 'http'. scm_app_impl = settings['vcs.scm_app_implementation'] if scm_app_impl in ['rhodecode.lib.middleware.utils.scm_app_http', 'vcsserver.scm_app']: settings['vcs.scm_app_implementation'] = 'http' def _sanitize_cache_settings(settings): temp_store = tempfile.gettempdir() default_cache_dir = os.path.join(temp_store, 'rc_cache') # save default, cache dir, and use it for all backends later. default_cache_dir = _string_setting( settings, 'cache_dir', default_cache_dir, lower=False, default_when_empty=True) # ensure we have our dir created if not os.path.isdir(default_cache_dir): os.makedirs(default_cache_dir, mode=0755) # exception store cache _string_setting( settings, 'exception_tracker.store_path', temp_store, lower=False, default_when_empty=True) # cache_perms _string_setting( settings, 'rc_cache.cache_perms.backend', 'dogpile.cache.rc.file_namespace', lower=False) _int_setting( settings, 'rc_cache.cache_perms.expiration_time', 60) _string_setting( settings, 'rc_cache.cache_perms.arguments.filename', os.path.join(default_cache_dir, 'rc_cache_1'), lower=False) # cache_repo _string_setting( settings, 'rc_cache.cache_repo.backend', 'dogpile.cache.rc.file_namespace', lower=False) _int_setting( settings, 'rc_cache.cache_repo.expiration_time', 60) _string_setting( settings, 'rc_cache.cache_repo.arguments.filename', os.path.join(default_cache_dir, 'rc_cache_2'), lower=False) # cache_license _string_setting( settings, 'rc_cache.cache_license.backend', 'dogpile.cache.rc.file_namespace', lower=False) _int_setting( settings, 'rc_cache.cache_license.expiration_time', 5*60) _string_setting( settings, 'rc_cache.cache_license.arguments.filename', os.path.join(default_cache_dir, 'rc_cache_3'), lower=False) # cache_repo_longterm memory, 96H _string_setting( settings, 'rc_cache.cache_repo_longterm.backend', 'dogpile.cache.rc.memory_lru', lower=False) _int_setting( settings, 'rc_cache.cache_repo_longterm.expiration_time', 345600) _int_setting( settings, 'rc_cache.cache_repo_longterm.max_size', 10000) # sql_cache_short _string_setting( settings, 'rc_cache.sql_cache_short.backend', 'dogpile.cache.rc.memory_lru', lower=False) _int_setting( settings, 'rc_cache.sql_cache_short.expiration_time', 30) _int_setting( settings, 'rc_cache.sql_cache_short.max_size', 10000) def _int_setting(settings, name, default): settings[name] = int(settings.get(name, default)) return settings[name] def _bool_setting(settings, name, default): input_val = settings.get(name, default) if isinstance(input_val, unicode): input_val = input_val.encode('utf8') settings[name] = asbool(input_val) return settings[name] def _list_setting(settings, name, default): raw_value = settings.get(name, default) old_separator = ',' if old_separator in raw_value: # If we get a comma separated list, pass it to our own function. settings[name] = rhodecode_aslist(raw_value, sep=old_separator) else: # Otherwise we assume it uses pyramids space/newline separation. settings[name] = aslist(raw_value) return settings[name] def _string_setting(settings, name, default, lower=True, default_when_empty=False): value = settings.get(name, default) if default_when_empty and not value: # use default value when value is empty value = default if lower: value = value.lower() settings[name] = value return settings[name] def _substitute_values(mapping, substitutions): try: result = { # Note: Cannot use regular replacements, since they would clash # with the implementation of ConfigParser. Using "format" instead. key: value.format(**substitutions) for key, value in mapping.items() } except KeyError as e: raise ValueError( 'Failed to substitute env variable: {}. ' 'Make sure you have specified this env variable without ENV_ prefix'.format(e)) return result