diff options
Diffstat (limited to 'synapse/storage/appservice.py')
| -rw-r--r-- | synapse/storage/appservice.py | 257 |
1 files changed, 89 insertions, 168 deletions
diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py index 93304a745f..f8cbb3f323 100644 --- a/synapse/storage/appservice.py +++ b/synapse/storage/appservice.py @@ -13,155 +13,35 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging +import urllib +import yaml from simplejson import JSONDecodeError import simplejson as json from twisted.internet import defer from synapse.api.constants import Membership -from synapse.api.errors import StoreError from synapse.appservice import ApplicationService, AppServiceTransaction from synapse.storage.roommember import RoomsForUser +from synapse.types import UserID from ._base import SQLBaseStore logger = logging.getLogger(__name__) -def log_failure(failure): - logger.error("Failed to detect application services: %s", failure.value) - logger.error(failure.getTraceback()) - - class ApplicationServiceStore(SQLBaseStore): def __init__(self, hs): super(ApplicationServiceStore, self).__init__(hs) + self.hostname = hs.hostname self.services_cache = [] - self.cache_defer = self._populate_appservice_cache() - self.cache_defer.addErrback(log_failure) - - @defer.inlineCallbacks - def unregister_app_service(self, token): - """Unregisters this service. - - This removes all AS specific regex and the base URL. The token is the - only thing preserved for future registration attempts. - """ - yield self.cache_defer # make sure the cache is ready - yield self.runInteraction( - "unregister_app_service", - self._unregister_app_service_txn, - token, - ) - # update cache TODO: Should this be in the txn? - for service in self.services_cache: - if service.token == token: - service.url = None - service.namespaces = None - service.hs_token = None - - def _unregister_app_service_txn(self, txn, token): - # kill the url to prevent pushes - txn.execute( - "UPDATE application_services SET url=NULL WHERE token=?", - (token,) + self._populate_appservice_cache( + hs.config.app_service_config_files ) - # cleanup regex - as_id = self._get_as_id_txn(txn, token) - if not as_id: - logger.warning( - "unregister_app_service_txn: Failed to find as_id for token=", - token - ) - return False - - txn.execute( - "DELETE FROM application_services_regex WHERE as_id=?", - (as_id,) - ) - return True - - @defer.inlineCallbacks - def update_app_service(self, service): - """Update an application service, clobbering what was previously there. - - Args: - service(ApplicationService): The updated service. - """ - yield self.cache_defer # make sure the cache is ready - - # NB: There is no "insert" since we provide no public-facing API to - # allocate new ASes. It relies on the server admin inserting the AS - # token into the database manually. - - if not service.token or not service.url: - raise StoreError(400, "Token and url must be specified.") - - if not service.hs_token: - raise StoreError(500, "No HS token") - - as_id = yield self.runInteraction( - "update_app_service", - self._update_app_service_txn, - service - ) - service.id = as_id - - # update cache TODO: Should this be in the txn? - for (index, cache_service) in enumerate(self.services_cache): - if service.token == cache_service.token: - self.services_cache[index] = service - logger.info("Updated: %s", service) - return - # new entry - self.services_cache.append(service) - logger.info("Updated(new): %s", service) - - def _update_app_service_txn(self, txn, service): - as_id = self._get_as_id_txn(txn, service.token) - if not as_id: - logger.warning( - "update_app_service_txn: Failed to find as_id for token=", - service.token - ) - return - - txn.execute( - "UPDATE application_services SET url=?, hs_token=?, sender=? " - "WHERE id=?", - (service.url, service.hs_token, service.sender, as_id,) - ) - # cleanup regex - txn.execute( - "DELETE FROM application_services_regex WHERE as_id=?", - (as_id,) - ) - for (ns_int, ns_str) in enumerate(ApplicationService.NS_LIST): - if ns_str in service.namespaces: - for regex_obj in service.namespaces[ns_str]: - txn.execute( - "INSERT INTO application_services_regex(" - "as_id, namespace, regex) values(?,?,?)", - (as_id, ns_int, json.dumps(regex_obj)) - ) - return as_id - - def _get_as_id_txn(self, txn, token): - cursor = txn.execute( - "SELECT id FROM application_services WHERE token=?", - (token,) - ) - res = cursor.fetchone() - if res: - return res[0] - - @defer.inlineCallbacks def get_app_services(self): - yield self.cache_defer # make sure the cache is ready - defer.returnValue(self.services_cache) + return defer.succeed(self.services_cache) - @defer.inlineCallbacks def get_app_service_by_user_id(self, user_id): """Retrieve an application service from their user ID. @@ -175,37 +55,23 @@ class ApplicationServiceStore(SQLBaseStore): Returns: synapse.appservice.ApplicationService or None. """ - - yield self.cache_defer # make sure the cache is ready - for service in self.services_cache: if service.sender == user_id: - defer.returnValue(service) - return - defer.returnValue(None) + return defer.succeed(service) + return defer.succeed(None) - @defer.inlineCallbacks - def get_app_service_by_token(self, token, from_cache=True): + def get_app_service_by_token(self, token): """Get the application service with the given appservice token. Args: token (str): The application service token. - from_cache (bool): True to get this service from the cache, False to - check the database. - Raises: - StoreError if there was a problem retrieving this service. + Returns: + synapse.appservice.ApplicationService or None. """ - yield self.cache_defer # make sure the cache is ready - - if from_cache: - for service in self.services_cache: - if service.token == token: - defer.returnValue(service) - return - defer.returnValue(None) - - # TODO: The from_cache=False impl - # TODO: This should be JOINed with the application_services_regex table. + for service in self.services_cache: + if service.token == token: + return defer.succeed(service) + return defer.succeed(None) def get_app_service_rooms(self, service): """Get a list of RoomsForUser for this application service. @@ -336,18 +202,69 @@ class ApplicationServiceStore(SQLBaseStore): )) return service_list - @defer.inlineCallbacks - def _populate_appservice_cache(self): - """Populates the ApplicationServiceCache from the database.""" - sql = ("SELECT r.*, a.* FROM application_services AS a LEFT JOIN " - "application_services_regex AS r ON a.id = r.as_id") + def _load_appservice(self, as_info): + required_string_fields = [ + "url", "as_token", "hs_token", "sender_localpart" + ] + for field in required_string_fields: + if not isinstance(as_info.get(field), basestring): + raise KeyError("Required string field: '%s'", field) + + localpart = as_info["sender_localpart"] + if urllib.quote(localpart) != localpart: + raise ValueError( + "sender_localpart needs characters which are not URL encoded." + ) + user = UserID(localpart, self.hostname) + user_id = user.to_string() + + # namespace checks + if not isinstance(as_info.get("namespaces"), dict): + raise KeyError("Requires 'namespaces' object.") + for ns in ApplicationService.NS_LIST: + # specific namespaces are optional + if ns in as_info["namespaces"]: + # expect a list of dicts with exclusive and regex keys + for regex_obj in as_info["namespaces"][ns]: + if not isinstance(regex_obj, dict): + raise ValueError( + "Expected namespace entry in %s to be an object," + " but got %s", ns, regex_obj + ) + if not isinstance(regex_obj.get("regex"), basestring): + raise ValueError( + "Missing/bad type 'regex' key in %s", regex_obj + ) + if not isinstance(regex_obj.get("exclusive"), bool): + raise ValueError( + "Missing/bad type 'exclusive' key in %s", regex_obj + ) + return ApplicationService( + token=as_info["as_token"], + url=as_info["url"], + namespaces=as_info["namespaces"], + hs_token=as_info["hs_token"], + sender=user_id, + id=as_info["as_token"] # the token is the only unique thing here + ) - results = yield self._execute_and_decode("appservice_cache", sql) - services = self._parse_services_dict(results) + def _populate_appservice_cache(self, config_files): + """Populates a cache of Application Services from the config files.""" + if not isinstance(config_files, list): + logger.warning( + "Expected %s to be a list of AS config files.", config_files + ) + return - for service in services: - logger.info("Found application service: %s", service) - self.services_cache.append(service) + for config_file in config_files: + try: + with open(config_file, 'r') as f: + appservice = self._load_appservice(yaml.load(f)) + logger.info("Loaded application service: %s", appservice) + self.services_cache.append(appservice) + except Exception as e: + logger.error("Failed to load appservice from '%s'", config_file) + logger.exception(e) class ApplicationServiceTransactionStore(SQLBaseStore): @@ -365,16 +282,20 @@ class ApplicationServiceTransactionStore(SQLBaseStore): A Deferred which resolves to a list of ApplicationServices, which may be empty. """ - sql = ( - "SELECT r.*, a.* FROM application_services_state AS s LEFT JOIN" - " application_services AS a ON a.id=s.as_id LEFT JOIN" - " application_services_regex AS r ON r.as_id=a.id WHERE state = ?" - ) - results = yield self._execute_and_decode( - "get_appservices_by_state", sql, state + results = yield self._simple_select_list( + "application_services_state", + dict(state=state), + ["as_id"] ) # NB: This assumes this class is linked with ApplicationServiceStore - defer.returnValue(self._parse_services_dict(results)) + as_list = yield self.get_app_services() + services = [] + + for res in results: + for service in as_list: + if service.id == res["as_id"]: + services.append(service) + defer.returnValue(services) @defer.inlineCallbacks def get_appservice_state(self, service): |