diff --git a/synapse/rest/media/create_resource.py b/synapse/rest/media/create_resource.py
new file mode 100644
index 0000000000..994afdf13c
--- /dev/null
+++ b/synapse/rest/media/create_resource.py
@@ -0,0 +1,83 @@
+# Copyright 2023 Beeper Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import re
+from typing import TYPE_CHECKING
+
+from synapse.api.errors import LimitExceededError
+from synapse.api.ratelimiting import Ratelimiter
+from synapse.http.server import respond_with_json
+from synapse.http.servlet import RestServlet
+from synapse.http.site import SynapseRequest
+
+if TYPE_CHECKING:
+ from synapse.media.media_repository import MediaRepository
+ from synapse.server import HomeServer
+
+logger = logging.getLogger(__name__)
+
+
+class CreateResource(RestServlet):
+ PATTERNS = [re.compile("/_matrix/media/v1/create")]
+
+ def __init__(self, hs: "HomeServer", media_repo: "MediaRepository"):
+ super().__init__()
+
+ self.media_repo = media_repo
+ self.clock = hs.get_clock()
+ self.auth = hs.get_auth()
+ self.max_pending_media_uploads = hs.config.media.max_pending_media_uploads
+
+ # A rate limiter for creating new media IDs.
+ self._create_media_rate_limiter = Ratelimiter(
+ store=hs.get_datastores().main,
+ clock=self.clock,
+ cfg=hs.config.ratelimiting.rc_media_create,
+ )
+
+ async def on_POST(self, request: SynapseRequest) -> None:
+ requester = await self.auth.get_user_by_req(request)
+
+ # If the create media requests for the user are over the limit, drop them.
+ await self._create_media_rate_limiter.ratelimit(requester)
+
+ (
+ reached_pending_limit,
+ first_expiration_ts,
+ ) = await self.media_repo.reached_pending_media_limit(requester.user)
+ if reached_pending_limit:
+ raise LimitExceededError(
+ limiter_name="max_pending_media_uploads",
+ retry_after_ms=first_expiration_ts - self.clock.time_msec(),
+ )
+
+ content_uri, unused_expires_at = await self.media_repo.create_media_id(
+ requester.user
+ )
+
+ logger.info(
+ "Created Media URI %r that if unused will expire at %d",
+ content_uri,
+ unused_expires_at,
+ )
+ respond_with_json(
+ request,
+ 200,
+ {
+ "content_uri": content_uri,
+ "unused_expires_at": unused_expires_at,
+ },
+ send_cors=True,
+ )
|
