84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# Copyright 2023 Beeper Inc.
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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 TYPE_CHECKING
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from synapse.api.errors import LimitExceededError
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from synapse.api.ratelimiting import Ratelimiter
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from synapse.http.server import respond_with_json
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from synapse.http.servlet import RestServlet
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from synapse.http.site import SynapseRequest
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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 CreateResource(RestServlet):
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PATTERNS = [re.compile("/_matrix/media/v1/create")]
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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.clock = hs.get_clock()
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self.auth = hs.get_auth()
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self.max_pending_media_uploads = hs.config.media.max_pending_media_uploads
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# A rate limiter for creating new media IDs.
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self._create_media_rate_limiter = Ratelimiter(
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store=hs.get_datastores().main,
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clock=self.clock,
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cfg=hs.config.ratelimiting.rc_media_create,
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)
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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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# If the create media requests for the user are over the limit, drop them.
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await self._create_media_rate_limiter.ratelimit(requester)
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(
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reached_pending_limit,
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first_expiration_ts,
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) = await self.media_repo.reached_pending_media_limit(requester.user)
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if reached_pending_limit:
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raise LimitExceededError(
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limiter_name="max_pending_media_uploads",
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retry_after_ms=first_expiration_ts - self.clock.time_msec(),
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)
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content_uri, unused_expires_at = await self.media_repo.create_media_id(
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requester.user
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)
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logger.info(
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"Created Media URI %r that if unused will expire at %d",
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content_uri,
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unused_expires_at,
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)
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respond_with_json(
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request,
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200,
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{
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"content_uri": content_uri,
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"unused_expires_at": unused_expires_at,
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},
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send_cors=True,
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)
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