106 lines
4.0 KiB
Python
106 lines
4.0 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import re
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from typing import IO, TYPE_CHECKING, Dict, List, Optional
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from synapse.api.errors import Codes, SynapseError
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from synapse.http.server import respond_with_json
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from synapse.http.servlet import RestServlet, parse_bytes_from_args
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from synapse.http.site import SynapseRequest
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from synapse.media.media_storage import SpamMediaException
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if TYPE_CHECKING:
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from synapse.media.media_repository import MediaRepository
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class UploadResource(RestServlet):
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PATTERNS = [re.compile("/_matrix/media/(r0|v3|v1)/upload")]
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def __init__(self, hs: "HomeServer", media_repo: "MediaRepository"):
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super().__init__()
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self.media_repo = media_repo
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self.filepaths = media_repo.filepaths
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self.store = hs.get_datastores().main
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self.clock = hs.get_clock()
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self.auth = hs.get_auth()
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self.max_upload_size = hs.config.media.max_upload_size
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self.clock = hs.get_clock()
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async def on_POST(self, request: SynapseRequest) -> None:
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requester = await self.auth.get_user_by_req(request)
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raw_content_length = request.getHeader("Content-Length")
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if raw_content_length is None:
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raise SynapseError(msg="Request must specify a Content-Length", code=400)
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try:
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content_length = int(raw_content_length)
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except ValueError:
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raise SynapseError(msg="Content-Length value is invalid", code=400)
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if content_length > self.max_upload_size:
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raise SynapseError(
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msg="Upload request body is too large",
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code=413,
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errcode=Codes.TOO_LARGE,
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)
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args: Dict[bytes, List[bytes]] = request.args # type: ignore
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upload_name_bytes = parse_bytes_from_args(args, "filename")
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if upload_name_bytes:
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try:
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upload_name: Optional[str] = upload_name_bytes.decode("utf8")
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except UnicodeDecodeError:
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raise SynapseError(
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msg="Invalid UTF-8 filename parameter: %r" % (upload_name_bytes,),
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code=400,
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)
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# If the name is falsey (e.g. an empty byte string) ensure it is None.
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else:
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upload_name = None
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headers = request.requestHeaders
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if headers.hasHeader(b"Content-Type"):
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content_type_headers = headers.getRawHeaders(b"Content-Type")
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assert content_type_headers # for mypy
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media_type = content_type_headers[0].decode("ascii")
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else:
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media_type = "application/octet-stream"
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# if headers.hasHeader(b"Content-Disposition"):
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# disposition = headers.getRawHeaders(b"Content-Disposition")[0]
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# TODO(markjh): parse content-dispostion
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try:
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content: IO = request.content # type: ignore
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content_uri = await self.media_repo.create_content(
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media_type, upload_name, content, content_length, requester.user
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)
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except SpamMediaException:
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# For uploading of media we want to respond with a 400, instead of
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# the default 404, as that would just be confusing.
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raise SynapseError(400, "Bad content")
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logger.info("Uploaded content with URI '%s'", content_uri)
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respond_with_json(
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request, 200, {"content_uri": str(content_uri)}, send_cors=True
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)
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