libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0447.py @ 4281:9e63e02318ec

core: show warning instead of exception in case of missing dependency when loading plugins

author	Goffi <goffi@goffi.org>
date	Fri, 12 Jul 2024 18:53:00 +0200
parents	0d7bb4df2343
children	111dce64dcb5

rev	line source
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	3 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	4
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	5 # This program is free software: you can redistribute it and/or modify
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # it under the terms of the GNU Affero General Public License as published by
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # the Free Software Foundation, either version 3 of the License, or
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # (at your option) any later version.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	9
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	10 # This program is distributed in the hope that it will be useful,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # GNU Affero General Public License for more details.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	14
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	15 # You should have received a copy of the GNU Affero General Public License
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	17
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	18 from collections import namedtuple
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	19 from functools import partial
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	20 import mimetypes
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	21 from pathlib import Path
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	22 from typing import Any, Callable, Dict, List, Optional, Tuple, Union
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	23
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	24 import treq
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	25 from twisted.internet import defer
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.words.xish import domish
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	27
4071 4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	28 from libervia.backend.core import exceptions
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	29 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	30 from libervia.backend.core.core_types import SatXMPPEntity
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	31 from libervia.backend.core.i18n import _
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	32 from libervia.backend.core.log import getLogger
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	33 from libervia.backend.tools import stream
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4051 diff changeset	34 from libervia.backend.tools.web import treq_client_no_ssl
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	35
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	36 log = getLogger(__name__)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	37
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	38
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 PLUGIN_INFO = {
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 C.PI_NAME: "Stateless File Sharing",
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 C.PI_IMPORT_NAME: "XEP-0447",
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 C.PI_TYPE: "XEP",
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 C.PI_MODES: C.PLUG_MODE_BOTH,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	44 C.PI_PROTOCOLS: ["XEP-0447"],
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	45 C.PI_DEPENDENCIES: ["XEP-0103", "XEP-0334", "XEP-0446", "ATTACH", "DOWNLOAD"],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	46 C.PI_RECOMMENDATIONS: ["XEP-0363"],
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	47 C.PI_MAIN: "XEP_0447",
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	48 C.PI_HANDLER: "no",
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	49 C.PI_DESCRIPTION: _("""Implementation of XEP-0447 (Stateless File Sharing)"""),
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	50 }
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	51
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	52 NS_SFS = "urn:xmpp:sfs:0"
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	53 SourceHandler = namedtuple("SourceHandler", ["callback", "encrypted"])
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	54
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	55
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	56 class XEP_0447:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 namespace = NS_SFS
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	58
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 def __init__(self, host):
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	60 self.host = host
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	61 log.info(_("XEP-0447 (Stateless File Sharing) plugin initialization"))
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 4023 diff changeset	62 host.register_namespace("sfs", NS_SFS)
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	63 self._sources_handlers = {}
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	64 self._u = host.plugins["XEP-0103"]
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	65 self._hints = host.plugins["XEP-0334"]
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 self._m = host.plugins["XEP-0446"]
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	67 self._http_upload = host.plugins.get("XEP-0363")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	68 self._attach = host.plugins["ATTACH"]
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	69 self._attach.register(self.can_handle_attachment, self.attach, priority=1000)
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	70 self.register_source_handler(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	71 self._u.namespace, "url-data", self._u.parse_url_data_elt
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	72 )
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	73 host.plugins["DOWNLOAD"].register_download_handler(
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	74 self._u.namespace, self.download
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	75 )
4051 c23cad65ae99 core: renamed `messageReceived` trigger to `message_received` Goffi <goffi@goffi.org> parents: 4037 diff changeset	76 host.trigger.add("message_received", self._message_received_trigger)
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	77
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	78 def register_source_handler(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	79 self,
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	80 namespace: str,
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	81 element_name: str,
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	82 callback: Callable[[domish.Element], Dict[str, Any]],
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	83 encrypted: bool = False,
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	84 ) -> None:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	85 """Register a handler for file source
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	86
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	87 @param namespace: namespace of the element supported
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	88 @param element_name: name of the element supported
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	89 @param callback: method to call to parse the element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	90 get the matching element as argument, must return the parsed data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	91 @param encrypted: if True, the source is encrypted (the transmitting channel
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	92 should then be end2end encrypted to avoir leaking decrypting data to servers).
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	93 """
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	94 key = (namespace, element_name)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	95 if key in self._sources_handlers:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	96 raise exceptions.ConflictError(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	97 f"There is already a resource handler for namespace {namespace!r} and "
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	98 f"name {element_name!r}"
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	99 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	100 self._sources_handlers[key] = SourceHandler(callback, encrypted)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	101
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	102 async def download(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	103 self,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	104 client: SatXMPPEntity,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	105 attachment: Dict[str, Any],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	106 source: Dict[str, Any],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	107 dest_path: Union[Path, str],
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	108 extra: Optional[Dict[str, Any]] = None,
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	109 ) -> Tuple[str, defer.Deferred]:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	110 # TODO: handle url-data headers
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	111 if extra is None:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	112 extra = {}
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	113 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	114 download_url = source["url"]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	115 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	116 raise ValueError(f"{source} has missing URL")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	117
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	118 if extra.get("ignore_tls_errors", False):
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	119 log.warning("TLS certificate check disabled, this is highly insecure")
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	120 treq_client = treq_client_no_ssl
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	121 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	122 treq_client = treq
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	123
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	124 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	125 file_size = int(attachment["size"])
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	126 except (KeyError, ValueError):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	127 head_data = await treq_client.head(download_url)
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	128 file_size = int(head_data.headers.getRawHeaders("content-length")[0])
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	129
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	130 file_obj = stream.SatFile(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	131 self.host,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	132 client,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	133 dest_path,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	134 mode="wb",
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	135 size=file_size,
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	136 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	137
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	138 progress_id = file_obj.uid
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	139
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	140 resp = await treq_client.get(download_url, unbuffered=True)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	141 if resp.code == 200:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	142 d = treq.collect(resp, file_obj.write)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	143 d.addCallback(lambda __: file_obj.close())
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	144 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	145 d = defer.Deferred()
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	146 self.host.plugins["DOWNLOAD"].errback_download(file_obj, d, resp)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	147 return progress_id, d
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	148
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	149 async def can_handle_attachment(self, client, data):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	150 if self._http_upload is None:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	151 return False
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	152 try:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 4023 diff changeset	153 await self._http_upload.get_http_upload_entity(client)
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	154 except exceptions.NotFound:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	155 return False
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	156 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	157 return True
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	158
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	159 def get_sources_elt(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	160 self, children: Optional[List[domish.Element]] = None
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	161 ) -> domish.Element:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	162 """Generate <sources> element"""
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	163 sources_elt = domish.Element((NS_SFS, "sources"))
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	164 if children:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	165 for child in children:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	166 sources_elt.addChild(child)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	167 return sources_elt
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	168
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 def get_file_sharing_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 self,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 sources: List[Dict[str, Any]],
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 disposition: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 name: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 media_type: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 desc: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 size: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 file_hash: Optional[Tuple[str, str]] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 date: Optional[Union[float, int]] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 width: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 height: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 length: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 thumbnail: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 **kwargs,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 ) -> domish.Element:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 """Generate the <file-sharing/> element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	186
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 @param extra: extra metadata describing how to access the URL
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 @return: ``<sfs/>`` element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 """
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 file_sharing_elt = domish.Element((NS_SFS, "file-sharing"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 if disposition is not None:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 file_sharing_elt["disposition"] = disposition
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	193 if media_type is None and name:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	194 media_type = mimetypes.guess_type(name, strict=False)[0]
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 file_sharing_elt.addChild(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 self._m.get_file_metadata_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 name=name,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 media_type=media_type,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 desc=desc,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 size=size,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 file_hash=file_hash,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 date=date,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 width=width,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 height=height,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 length=length,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 thumbnail=thumbnail,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	207 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 )
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	209 sources_elt = self.get_sources_elt()
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	210 file_sharing_elt.addChild(sources_elt)
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 for source_data in sources:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	212 if "url" in source_data:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	213 sources_elt.addChild(self._u.get_url_data_elt(**source_data))
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 else:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	215 raise NotImplementedError(f"source data not implemented: {source_data}")
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	216
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 return file_sharing_elt
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	218
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	219 def parse_sources_elt(self, sources_elt: domish.Element) -> List[Dict[str, Any]]:
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	220 """Parse <sources/> element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	221
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	222 @param sources_elt: <sources/> element, or a direct parent element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	223 @return: list of found sources data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	224 @raise: exceptions.NotFound: Can't find <sources/> element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	225 """
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	226 if sources_elt.name != "sources" or sources_elt.uri != NS_SFS:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	227 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	228 sources_elt = next(sources_elt.elements(NS_SFS, "sources"))
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	229 except StopIteration:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	230 raise exceptions.NotFound(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	231 f"<sources/> element is missing: {sources_elt.toXml()}"
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	232 )
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	233 sources = []
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	234 for elt in sources_elt.elements():
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	235 if not elt.uri:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	236 log.warning("ignoring source element {elt.toXml()}")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	237 continue
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	238 key = (elt.uri, elt.name)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	239 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	240 source_handler = self._sources_handlers[key]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	241 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	242 log.warning(f"unmanaged file sharing element: {elt.toXml}")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	243 continue
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	244 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	245 source_data = source_handler.callback(elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	246 if source_handler.encrypted:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	247 source_data[C.MESS_KEY_ENCRYPTED] = True
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	248 if "type" not in source_data:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	249 source_data["type"] = elt.uri
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	250 sources.append(source_data)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	251 return sources
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	252
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	253 def parse_file_sharing_elt(self, file_sharing_elt: domish.Element) -> Dict[str, Any]:
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	254 """Parse <file-sharing/> element and return file-sharing data
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	255
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 @param file_sharing_elt: <file-sharing/> element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 @return: file-sharing data. It a dict whose keys correspond to
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 [get_file_sharing_elt] parameters
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	259 """
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	260 if file_sharing_elt.name != "file-sharing" or file_sharing_elt.uri != NS_SFS:
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 try:
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	262 file_sharing_elt = next(file_sharing_elt.elements(NS_SFS, "file-sharing"))
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 except StopIteration:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 raise exceptions.NotFound
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 data = self._m.parse_file_metadata_elt(file_sharing_elt)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 except exceptions.NotFound:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	268 data = {}
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 disposition = file_sharing_elt.getAttribute("disposition")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 if disposition is not None:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 data["disposition"] = disposition
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 try:
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	273 data["sources"] = self.parse_sources_elt(file_sharing_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	274 except exceptions.NotFound as e:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	275 raise ValueError(str(e))
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	276
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	277 return data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	278
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	279 def _add_file_sharing_attachments(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	280 self, client: SatXMPPEntity, message_elt: domish.Element, data: Dict[str, Any]
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	281 ) -> Dict[str, Any]:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	282 """Check <message> for a shared file, and add it as an attachment"""
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	283 # XXX: XEP-0447 doesn't support several attachments in a single message, for now
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	284 # however that should be fixed in future version, and so we accept several
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	285 # <file-sharing> element in a message.
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	286 for file_sharing_elt in message_elt.elements(NS_SFS, "file-sharing"):
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	287 attachment = self.parse_file_sharing_elt(message_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	288
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	289 if any(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	290 s.get(C.MESS_KEY_ENCRYPTED, False) for s in attachment["sources"]
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	291 ) and client.encryption.isEncrypted(data):
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	292 # we don't add the encrypted flag if the message itself is not encrypted,
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	293 # because the decryption key is part of the link, so sending it over
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	294 # unencrypted channel is like having no encryption at all.
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	295 attachment[C.MESS_KEY_ENCRYPTED] = True
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	296
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	297 attachments = data["extra"].setdefault(C.KEY_ATTACHMENTS, [])
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	298 attachments.append(attachment)
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	299
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 return data
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	301
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	302 async def attach(self, client, data):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	303 # XXX: for now, XEP-0447 only allow to send one file per <message/>, thus we need
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	304 # to send each file in a separate message
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	305 attachments = data["extra"][C.KEY_ATTACHMENTS]
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	306 if not data["message"] or data["message"] == {"": ""}:
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	307 extra_attachments = attachments[1:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	308 del attachments[1:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	309 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	310 # we have a message, we must send first attachment separately
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	311 extra_attachments = attachments[:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	312 attachments.clear()
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	313 del data["extra"][C.KEY_ATTACHMENTS]
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	314
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	315 if attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	316 if len(attachments) > 1:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	317 raise exceptions.InternalError(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	318 "There should not be more that one attachment at this point"
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	319 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	320 await self._attach.upload_files(client, data)
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 4023 diff changeset	321 self._hints.add_hint_elements(data["xml"], [self._hints.HINT_STORE])
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	322 for attachment in attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	323 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	324 file_hash = (attachment["hash_algo"], attachment["hash"])
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	325 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	326 file_hash = None
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	327 file_sharing_elt = self.get_file_sharing_elt(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	328 [{"url": attachment["url"]}],
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	329 name=attachment.get("name"),
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	330 size=attachment.get("size"),
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	331 desc=attachment.get("desc"),
78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	332 media_type=attachment.get("media_type"),
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	333 file_hash=file_hash,
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	334 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	335 data["xml"].addChild(file_sharing_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	336
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	337 for attachment in extra_attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	338 # we send all remaining attachment in a separate message
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	339 await client.sendMessage(
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	340 to_jid=data["to"],
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	341 message={"": ""},
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	342 subject=data["subject"],
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	343 mess_type=data["type"],
4023 78b5f356900c component AP gateway: handle attachments Goffi <goffi@goffi.org> parents: 3922 diff changeset	344 extra={C.KEY_ATTACHMENTS: [attachment]},
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	345 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	346
4270 0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	347 if (
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	348 not data["extra"]
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	349 and (not data["message"] or data["message"] == {"": ""})
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	350 and not data["subject"]
0d7bb4df2343 Reformatted code base using black. Goffi <goffi@goffi.org> parents: 4071 diff changeset	351 ):
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	352 # nothing left to send, we can cancel the message
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	353 raise exceptions.CancelError("Cancelled by XEP_0447 attachment handling")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	354
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	355 def _message_received_trigger(self, client, message_elt, post_treat):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	356 # we use a post_treat callback instead of "message_parse" trigger because we need
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	357 # to check if the "encrypted" flag is set to decide if we add the same flag to the
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	358 # attachment
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	359 post_treat.addCallback(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	360 partial(self._add_file_sharing_attachments, client, message_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	361 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	362 return True

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0447.py @ 4281:9e63e02318ec