def search_messages(self, db_session, search_query): account = db_session.query(Account).get(self.account_id) conn = account.auth_handler.connect_account(account) try: acct_provider_info = provider_info(account.provider) except NotSupportedError: self.log.warn('Account provider {} not supported.'.format( account.provider)) raise crispin_client = CrispinClient(self.account_id, acct_provider_info, account.email_address, conn, readonly=True) self.log.info('Searching {} for `{}`'.format(account.email_address, search_query)) if ':' not in search_query: criteria = 'TEXT {}'.format(search_query) else: criteria = re.sub('(\w+:[ ]?)', format_key, search_query) all_messages = set() folders = db_session.query(Folder).filter( Folder.account_id == self.account_id).all() for folder in folders: all_messages.update( self.search_folder(db_session, crispin_client, folder, criteria)) crispin_client.logout() return sorted(all_messages, key=lambda msg: msg.received_date)
def search_messages(self, db_session, search_query): account = db_session.query(Account).get(self.account_id) conn = account.auth_handler.connect_account(account) try: acct_provider_info = provider_info(account.provider) except NotSupportedError: self.log.warn('Account provider {} not supported.' .format(account.provider)) raise crispin_client = CrispinClient(self.account_id, acct_provider_info, account.email_address, conn, readonly=True) self.log.info('Searching {} for `{}`' .format(account.email_address, search_query)) if ':' not in search_query: criteria = 'TEXT {}'.format(search_query) else: criteria = re.sub('(\w+:[ ]?)', format_key, search_query) all_messages = set() folders = db_session.query(Folder).filter( Folder.account_id == self.account_id).all() for folder in folders: all_messages.update(self.search_folder(db_session, crispin_client, folder, criteria)) crispin_client.logout() return sorted(all_messages, key=lambda msg: msg.received_date)
class IMAPSearchClient(object): def __init__(self, account): self.account_id = account.id self.log = get_logger().new(account_id=account.id, component='search') def _open_crispin_connection(self, db_session): account = db_session.query(Account).get(self.account_id) conn = account.auth_handler.connect_account(account) try: acct_provider_info = provider_info(account.provider) except NotSupportedError: self.log.warn('Account provider not supported', provider=account.provider) raise self.crispin_client = CrispinClient(self.account_id, acct_provider_info, account.email_address, conn, readonly=True) def _close_crispin_connection(self): self.crispin_client.logout() def search_messages(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for messages', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = self._search(db_session, search_query) query = db_session.query(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids))\ .order_by(desc(Message.received_date))\ if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def search_threads(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for threads', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = self._search(db_session, search_query) query = db_session.query(Thread) \ .join(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids), Thread.id == Message.thread_id)\ .order_by(desc(Message.received_date)) if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def _search(self, db_session, search_query): self._open_crispin_connection(db_session) if ':' not in search_query: try: query = search_query.encode('ascii') criteria = 'TEXT {}'.format(query) except UnicodeEncodeError: criteria = u'TEXT {}'.format(search_query) else: criteria = re.sub('(\w+:[ ]?)', format_key, search_query) folders = db_session.query(Folder).filter( Folder.account_id == self.account_id).all() imap_uids = set() for folder in folders: imap_uids.update(self._search_folder(db_session, folder, criteria)) self._close_crispin_connection() return imap_uids def _search_folder(self, db_session, folder, criteria): self.crispin_client.select_folder(folder.name, uidvalidity_cb) try: if isinstance(criteria, unicode): matching_uids = self.crispin_client.conn. \ search(criteria=criteria, charset="UTF-8") else: matching_uids = self.crispin_client.conn. \ search(criteria=criteria) except IMAP4.error as e: self.log.warn('Search error', error=e) raise self.log.debug('Search found message for folder', folder_name=folder.name, matching_uids=len(matching_uids)) return matching_uids
class IMAPSearchClient(object): def __init__(self, account): self.account = account self.account_id = account.id self.log = get_logger().new(account_id=account.id, component='search') def _open_crispin_connection(self, db_session): account = db_session.query(Account).get(self.account_id) try: conn = account.auth_handler.connect_account(account) except (IMAPClient.Error, socket.error, IMAP4.error): raise SearchBackendException(('Unable to connect to the IMAP ' 'server. Please retry in a ' 'couple minutes.'), 503) except ValidationError: raise SearchBackendException(("This search can't be performed " "because the account's credentials " "are out of date. Please " "reauthenticate and try again."), 403) try: acct_provider_info = provider_info(account.provider) except NotSupportedError: self.log.warn('Account provider not supported', provider=account.provider) raise self.crispin_client = CrispinClient(self.account_id, acct_provider_info, account.email_address, conn, readonly=True) def _close_crispin_connection(self): self.crispin_client.logout() def search_messages(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for messages', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = [] for uids in self._search(db_session, search_query): imap_uids.extend(uids) query = db_session.query(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids))\ .order_by(desc(Message.received_date))\ if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def stream_messages(self, search_query): def g(): encoder = APIEncoder() with session_scope(self.account_id) as db_session: for imap_uids in self._search(db_session, search_query): query = db_session.query(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids))\ .order_by(desc(Message.received_date))\ yield encoder.cereal(query.all()) + '\n' return g def search_threads(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for threads', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = [] for uids in self._search(db_session, search_query): imap_uids.extend(uids) query = db_session.query(Thread) \ .join(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids), Thread.id == Message.thread_id)\ .order_by(desc(Message.received_date)) if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def stream_threads(self, search_query): def g(): encoder = APIEncoder() with session_scope(self.account_id) as db_session: for imap_uids in self._search(db_session, search_query): query = db_session.query(Thread) \ .join(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids), Thread.id == Message.thread_id)\ .order_by(desc(Message.received_date)) yield encoder.cereal(query.all()) + '\n' return g def _search(self, db_session, search_query): self._open_crispin_connection(db_session) try: criteria = ['TEXT', search_query.encode('ascii')] charset = None except UnicodeEncodeError: criteria = [u'TEXT', search_query] charset = 'UTF-8' folders = [] account_folders = db_session.query(Folder).filter( Folder.account_id == self.account_id) # We want to start the search with the 'inbox', 'sent' # and 'archive' folders, if they exist. for cname in ['inbox', 'sent', 'archive']: special_folder = db_session.query(Folder).filter( Folder.account_id == self.account_id, Folder.canonical_name == cname).one_or_none() if special_folder is not None: folders.append(special_folder) # Don't search the folder twice. account_folders = account_folders.filter( Folder.id != special_folder.id) folders = folders + account_folders.all() for folder in folders: yield self._search_folder(folder, criteria, charset) self._close_crispin_connection() def _search_folder(self, folder, criteria, charset): try: self.crispin_client.select_folder(folder.name, uidvalidity_cb) except FolderMissingError: self.log.warn("Won't search missing IMAP folder", exc_info=True) return [] except UidInvalid: self.log.error(("Got Uidvalidity error when searching. " "Skipping."), exc_info=True) return [] try: uids = self.crispin_client.conn.search(criteria, charset=charset) except IMAP4.error: self.log.warn('Search error', exc_info=True) raise SearchBackendException(('Unknown IMAP error when ' 'performing search.'), 503) self.log.debug('Search found messages for folder', folder_name=folder.name, uids=len(uids)) return uids
class IMAPSearchClient(object): def __init__(self, account): self.account_id = account.id self.log = get_logger().new(account_id=account.id, component='search') def _open_crispin_connection(self, db_session): account = db_session.query(Account).get(self.account_id) try: conn = account.auth_handler.connect_account(account) except ValidationError: raise SearchBackendException( "This search can't be performed because the account's " "credentials are out of date. Please reauthenticate and try " "again.", 403) try: acct_provider_info = provider_info(account.provider) except NotSupportedError: self.log.warn('Account provider not supported', provider=account.provider) raise self.crispin_client = CrispinClient(self.account_id, acct_provider_info, account.email_address, conn, readonly=True) def _close_crispin_connection(self): self.crispin_client.logout() def search_messages(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for messages', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = self._search(db_session, search_query) query = db_session.query(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids))\ .order_by(desc(Message.received_date))\ if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def search_threads(self, db_session, search_query, offset=0, limit=40): self.log.info('Searching account for threads', account_id=self.account_id, query=search_query, offset=offset, limit=limit) imap_uids = self._search(db_session, search_query) query = db_session.query(Thread) \ .join(Message) \ .join(ImapUid) \ .filter(ImapUid.account_id == self.account_id, ImapUid.msg_uid.in_(imap_uids), Thread.id == Message.thread_id)\ .order_by(desc(Message.received_date)) if offset: query = query.offset(offset) if limit: query = query.limit(limit) return query.all() def _search(self, db_session, search_query): self._open_crispin_connection(db_session) try: criteria = ['TEXT', search_query.encode('ascii')] charset = None except UnicodeEncodeError: criteria = [u'TEXT', search_query] charset = 'UTF-8' folders = db_session.query(Folder).filter( Folder.account_id == self.account_id).all() imap_uids = set() for folder in folders: imap_uids.update(self._search_folder(folder, criteria, charset)) self._close_crispin_connection() return imap_uids def _search_folder(self, folder, criteria, charset): self.crispin_client.select_folder(folder.name, uidvalidity_cb) try: uids = self.crispin_client.conn.search(criteria, charset=charset) except IMAP4.error as e: self.log.warn('Search error', error=e) raise self.log.debug('Search found messages for folder', folder_name=folder.name, uids=len(uids)) return uids