Mercurial > libervia-backend
view libervia/backend/plugins/plugin_misc_upload.py @ 4335:430d5d99a740
plugin XEP-0358: "Publishing Available Jingle Sessions" implementation:
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author | Goffi <goffi@goffi.org> |
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date | Tue, 03 Dec 2024 00:13:07 +0100 |
parents | 0d7bb4df2343 |
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#!/usr/bin/env python3 # SAT plugin for uploading files # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # 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 Affero 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/>. import os import os.path from pathlib import Path from typing import Optional, Tuple, Union from twisted.internet import defer from twisted.words.protocols.jabber import jid from twisted.words.protocols.jabber import error as jabber_error from libervia.backend.core import exceptions from libervia.backend.core.constants import Const as C from libervia.backend.core.core_types import SatXMPPEntity from libervia.backend.core.i18n import D_, _ from libervia.backend.core.log import getLogger from libervia.backend.tools import xml_tools from libervia.backend.tools.common import data_format log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "File Upload", C.PI_IMPORT_NAME: "UPLOAD", C.PI_TYPE: C.PLUG_TYPE_MISC, C.PI_MODES: C.PLUG_MODE_BOTH, C.PI_MAIN: "UploadPlugin", C.PI_HANDLER: "no", C.PI_DESCRIPTION: _("""File upload management"""), } UPLOADING = D_("Please select a file to upload") UPLOADING_TITLE = D_("File upload") class UploadPlugin(object): # TODO: plugin unload def __init__(self, host): log.info(_("plugin Upload initialization")) self.host = host host.bridge.add_method( "file_upload", ".plugin", in_sign="sssss", out_sign="a{ss}", method=self._file_upload, async_=True, ) self._upload_callbacks = [] def _file_upload( self, filepath, filename, upload_jid_s="", options="", profile=C.PROF_KEY_NONE ): client = self.host.get_client(profile) upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None options = data_format.deserialise(options) return defer.ensureDeferred( self.file_upload(client, filepath, filename or None, upload_jid, options) ) async def file_upload(self, client, filepath, filename, upload_jid, options): """Send a file using best available method parameters are the same as for [upload] @return (dict): action dictionary, with progress id in case of success, else xmlui message """ try: progress_id, __ = await self.upload( client, filepath, filename, upload_jid, options ) except Exception as e: if ( isinstance(e, jabber_error.StanzaError) and e.condition == "not-acceptable" ): reason = e.text else: reason = str(e) msg = D_("Can't upload file: {reason}").format(reason=reason) log.warning(msg) return { "xmlui": xml_tools.note( msg, D_("Can't upload file"), C.XMLUI_DATA_LVL_WARNING ).toXml() } else: return {"progress": progress_id} async def upload( self, client: SatXMPPEntity, filepath: Union[Path, str], filename: Optional[str] = None, upload_jid: Optional[jid.JID] = None, extra: Optional[dict] = None, ) -> Tuple[str, defer.Deferred]: """Send a file using best available method @param filepath: absolute path to the file @param filename: name to use for the upload None to use basename of the path @param upload_jid: upload capable entity jid, or None to use autodetected, if possible @param extra: extra data/options to use for the upload, may be: - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification used only if HTTPS transport is needed - progress_id(str): id to use for progression if not specified, one will be generated @param profile: %(doc_profile)s @return: progress_id and a Deferred which fire download URL when upload is finished """ if extra is None: extra = {} if not os.path.isfile(filepath): raise exceptions.DataError("The given path doesn't link to a file") for method_name, available_cb, upload_cb, priority in self._upload_callbacks: if upload_jid is None: try: upload_jid = await available_cb(client, upload_jid) except exceptions.NotFound: continue # no entity managing this extension found log.info( "{name} method will be used to upload the file".format(name=method_name) ) progress_id, download_d = await upload_cb( client, filepath, filename, upload_jid, extra ) return progress_id, download_d raise exceptions.NotFound("Can't find any method to upload a file") def register(self, method_name, available_cb, upload_cb, priority=0): """Register a fileUploading method @param method_name(unicode): short name for the method, must be unique @param available_cb(callable): method to call to check if this method is usable the callback must take two arguments: upload_jid (can be None) and profile the callback must return the first entity found (being upload_jid or one of its components) exceptions.NotFound must be raised if no entity has been found @param upload_cb(callable): method to upload a file must have the same signature as [file_upload] must return a tuple with progress_id and a Deferred which fire download URL when upload is finished @param priority(int): pririoty of this method, the higher available will be used """ assert method_name for data in self._upload_callbacks: if method_name == data[0]: raise exceptions.ConflictError( "A method with this name is already registered" ) self._upload_callbacks.append((method_name, available_cb, upload_cb, priority)) self._upload_callbacks.sort(key=lambda data: data[3], reverse=True) def unregister(self, method_name): for idx, data in enumerate(self._upload_callbacks): if data[0] == method_name: del [idx] return raise exceptions.NotFound("The name to unregister doesn't exist")