libervia-backend: sat/plugins/plugin_xep

annotate sat/plugins/plugin_xep_0447.py @ 3927:328869756cf4

plugin XEP-0448: Encryption for stateless file sharing implementation: - registered as a source handle for XEP-0447 - can be used as an attachment - registered as a download handler - only usable when OMEMO2 is active, as we been SCE to hide encryption data fix 379

author	Goffi <goffi@goffi.org>
date	Thu, 06 Oct 2022 16:02:05 +0200
parents	0ff265725489
children	78b5f356900c

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
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	28 from sat.core import exceptions
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 from sat.core.constants import Const as C
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	30 from sat.core.core_types import SatXMPPEntity
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	31 from sat.core.i18n import _
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	32 from sat.core.log import getLogger
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	33 from sat.tools import stream
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	34 from sat.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"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	62 host.registerNamespace("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"]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	69 self._attach.register(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	70 self.can_handle_attachment, self.attach, priority=1000
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	71 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	72 self.register_source_handler(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	73 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	74 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	75 host.plugins["DOWNLOAD"].register_download_handler(self._u.namespace, self.download)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	76 host.trigger.add("messageReceived", self._message_received_trigger)
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(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	79 self, namespace: str, element_name: str,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	80 callback: Callable[[domish.Element], Dict[str, Any]],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	81 encrypted: bool = False
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	82 ) -> None:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	83 """Register a handler for file source
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	84
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	85 @param namespace: namespace of the element supported
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	86 @param element_name: name of the element supported
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	87 @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	88 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	89 @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	90 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	91 """
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	92 key = (namespace, element_name)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	93 if key in self._sources_handlers:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	94 raise exceptions.ConflictError(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	95 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	96 f"name {element_name!r}"
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	97 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	98 self._sources_handlers[key] = SourceHandler(callback, encrypted)
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 async def download(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	101 self,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	102 client: SatXMPPEntity,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	103 attachment: Dict[str, Any],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	104 source: Dict[str, Any],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	105 dest_path: Union[Path, str],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	106 extra: Optional[Dict[str, Any]] = None
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	107 ) -> Tuple[str, defer.Deferred]:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	108 # TODO: handle url-data headers
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	109 if extra is None:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	110 extra = {}
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	111 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	112 download_url = source["url"]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	113 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	114 raise ValueError(f"{source} has missing URL")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	115
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	116 if extra.get('ignore_tls_errors', False):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	117 log.warning(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	118 "TLS certificate check disabled, this is highly insecure"
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	119 )
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)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	128 file_size = int(head_data.headers.getRawHeaders('content-length')[0])
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",
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	135 size = file_size,
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:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	153 await self._http_upload.getHTTPUploadEntity(client)
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(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	160 self,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	161 children: Optional[List[domish.Element]] = None
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	162 ) -> domish.Element:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	163 """Generate <sources> element"""
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	164 sources_elt = domish.Element((NS_SFS, "sources"))
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	165 if children:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	166 for child in children:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	167 sources_elt.addChild(child)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	168 return sources_elt
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	169
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 def get_file_sharing_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 self,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 sources: List[Dict[str, Any]],
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 disposition: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 name: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 media_type: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 desc: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 size: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 file_hash: Optional[Tuple[str, str]] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 date: Optional[Union[float, int]] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 width: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 height: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 length: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 thumbnail: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 **kwargs,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 ) -> domish.Element:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 """Generate the <file-sharing/> element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	187
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 @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	189 @return: ``<sfs/>`` element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 """
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 file_sharing_elt = domish.Element((NS_SFS, "file-sharing"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 if disposition is not None:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 file_sharing_elt["disposition"] = disposition
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	194 if media_type is None and name:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	195 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	196 file_sharing_elt.addChild(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 self._m.get_file_metadata_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 name=name,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 media_type=media_type,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 desc=desc,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 size=size,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 file_hash=file_hash,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 date=date,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 width=width,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 height=height,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 length=length,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	207 thumbnail=thumbnail,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 )
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	210 sources_elt = self.get_sources_elt()
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	211 file_sharing_elt.addChild(sources_elt)
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	212 for source_data in sources:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 if "url" in source_data:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 sources_elt.addChild(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 self._u.get_url_data_elt(**source_data)
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 else:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 raise NotImplementedError(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 f"source data not implemented: {source_data}"
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	221
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 return file_sharing_elt
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	223
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	224 def parse_sources_elt(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	225 self,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	226 sources_elt: domish.Element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	227 ) -> List[Dict[str, Any]]:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	228 """Parse <sources/> element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	229
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	230 @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	231 @return: list of found sources data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	232 @raise: exceptions.NotFound: Can't find <sources/> element
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	233 """
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	234 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	235 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	236 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	237 except StopIteration:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	238 raise exceptions.NotFound(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	239 f"<sources/> element is missing: {sources_elt.toXml()}")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	240 sources = []
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	241 for elt in sources_elt.elements():
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	242 if not elt.uri:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	243 log.warning("ignoring source element {elt.toXml()}")
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	244 continue
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	245 key = (elt.uri, elt.name)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	246 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	247 source_handler = self._sources_handlers[key]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	248 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	249 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	250 continue
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	251 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	252 source_data = source_handler.callback(elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	253 if source_handler.encrypted:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	254 source_data[C.MESS_KEY_ENCRYPTED] = True
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	255 if "type" not in source_data:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	256 source_data["type"] = elt.uri
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	257 sources.append(source_data)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	258 return sources
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	259
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 def parse_file_sharing_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 self,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 file_sharing_elt: domish.Element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 ) -> Dict[str, Any]:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 """Parse <file-sharing/> element and return file-sharing data
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	265
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 @param file_sharing_elt: <file-sharing/> element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 @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	268 [get_file_sharing_elt] parameters
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 """
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 if file_sharing_elt.name != "file-sharing":
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 file_sharing_elt = next(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 file_sharing_elt.elements(NS_SFS, "file-sharing")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	274 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 except StopIteration:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 raise exceptions.NotFound
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 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	279 except exceptions.NotFound:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 data = {}
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 disposition = file_sharing_elt.getAttribute("disposition")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 if disposition is not None:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	283 data["disposition"] = disposition
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 try:
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	285 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	286 except exceptions.NotFound as e:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	287 raise ValueError(str(e))
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	288
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	289 return data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	290
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	291 def _add_file_sharing_attachments(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	292 self,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	293 client: SatXMPPEntity,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	294 message_elt: domish.Element,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	295 data: Dict[str, Any]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	296 ) -> Dict[str, Any]:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	297 """Check <message> for a shared file, and add it as an attachment"""
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	298 # XXX: XEP-0447 doesn't support several attachments in a single message, thus only
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	299 # one attachment can be added
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	300 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	301 attachment = self.parse_file_sharing_elt(message_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	302 except exceptions.NotFound:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	303 return data
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	304
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	305 if any(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	306 s.get(C.MESS_KEY_ENCRYPTED, False)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	307 for s in attachment["sources"]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	308 ) and client.encryption.isEncrypted(data):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	309 # we don't add the encrypted flag if the message itself is not encrypted,
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	310 # because the decryption key is part of the link, so sending it over
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	311 # unencrypted channel is like having no encryption at all.
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	312 attachment[C.MESS_KEY_ENCRYPTED] = True
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	313
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	314 attachments = data['extra'].setdefault(C.MESS_KEY_ATTACHMENTS, [])
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	315 attachments.append(attachment)
3897 4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	316
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 return data
3922 0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	318
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	319 async def attach(self, client, data):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	320 # 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	321 # to send each file in a separate message
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	322 attachments = data["extra"][C.MESS_KEY_ATTACHMENTS]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	323 if not data['message'] or data['message'] == {'': ''}:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	324 extra_attachments = attachments[1:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	325 del attachments[1:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	326 else:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	327 # 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	328 extra_attachments = attachments[:]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	329 attachments.clear()
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	330 del data["extra"][C.MESS_KEY_ATTACHMENTS]
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	331
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	332 if attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	333 if len(attachments) > 1:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	334 raise exceptions.InternalError(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	335 "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	336 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	337 await self._attach.upload_files(client, data)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	338 self._hints.addHintElements(data["xml"], [self._hints.HINT_STORE])
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	339 for attachment in attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	340 try:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	341 file_hash = (attachment["hash_algo"], attachment["hash"])
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	342 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	343 file_hash = None
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	344 file_sharing_elt = self.get_file_sharing_elt(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	345 [{"url": attachment["url"]}],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	346 name=attachment["name"],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	347 size=attachment["size"],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	348 file_hash=file_hash
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	349 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	350 data["xml"].addChild(file_sharing_elt)
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	351
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	352 for attachment in extra_attachments:
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	353 # 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	354 await client.sendMessage(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	355 to_jid=data['to'],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	356 message={'': ''},
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	357 subject=data['subject'],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	358 mess_type=data['type'],
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	359 extra={C.MESS_KEY_ATTACHMENTS: [attachment]},
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	360 )
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 if ((not data['extra']
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	363 and (not data['message'] or data['message'] == {'': ''})
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	364 and not data['subject'])):
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	365 # 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	366 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	367
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	368 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	369 # 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	370 # 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	371 # attachment
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	372 post_treat.addCallback(
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	373 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	374 )
0ff265725489 plugin XEP-0447: handle attachment and download: Goffi <goffi@goffi.org> parents: 3897 diff changeset	375 return True

Mercurial > libervia-backend

annotate sat/plugins/plugin_xep_0447.py @ 3927:328869756cf4