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Asynchronous Uploads (#15503) 

Support asynchronous uploads as defined in MSC2246.
This commit is contained in:
Sumner Evans 2023-11-15 07:19:24 -07:00 committed by GitHub
parent 80922dc46e
commit 999bd77d3a
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14 changed files with 568 additions and 59 deletions
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1
changelog.d/15503.feature Normal file
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@ -0,0 +1 @@
Add support for asynchronous uploads as defined by [MSC2246](https://github.com/matrix-org/matrix-spec-proposals/pull/2246). Contributed by @sumnerevans at @beeper.

34
docs/usage/configuration/config_documentation.md
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@ -1753,6 +1753,19 @@ rc_third_party_invite:
burst_count: 10
```
---
### `rc_media_create`
This option ratelimits creation of MXC URIs via the `/_matrix/media/v1/create`
endpoint based on the account that's creating the media. Defaults to
`per_second: 10`, `burst_count: 50`.
Example configuration:
```yaml
rc_media_create:
per_second: 10
burst_count: 50
```
---
### `rc_federation`
Defines limits on federation requests.
@ -1814,6 +1827,27 @@ Example configuration:
media_store_path: "DATADIR/media_store"
```
---
### `max_pending_media_uploads`
How many *pending media uploads* can a given user have? A pending media upload
is a created MXC URI that (a) is not expired (the `unused_expires_at` timestamp
has not passed) and (b) the media has not yet been uploaded for. Defaults to 5.
Example configuration:
```yaml
max_pending_media_uploads: 5
```
---
### `unused_expiration_time`
How long to wait in milliseconds before expiring created media IDs. Defaults to
"24h"
Example configuration:
```yaml
unused_expiration_time: "1h"
```
---
### `media_storage_providers`
Media storage providers allow media to be stored in different

2
synapse/api/errors.py
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@ -83,6 +83,8 @@ class Codes(str, Enum):
USER_DEACTIVATED = "M_USER_DEACTIVATED"
# USER_LOCKED = "M_USER_LOCKED"
USER_LOCKED = "ORG_MATRIX_MSC3939_USER_LOCKED"
NOT_YET_UPLOADED = "M_NOT_YET_UPLOADED"
CANNOT_OVERWRITE_MEDIA = "M_CANNOT_OVERWRITE_MEDIA"
# Part of MSC3848
# https://github.com/matrix-org/matrix-spec-proposals/pull/3848

7
synapse/config/ratelimiting.py
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@ -204,3 +204,10 @@ class RatelimitConfig(Config):
"rc_third_party_invite",
defaults={"per_second": 0.0025, "burst_count": 5},
)
# Ratelimit create media requests:
self.rc_media_create = RatelimitSettings.parse(
config,
"rc_media_create",
defaults={"per_second": 10, "burst_count": 50},
)

6
synapse/config/repository.py
View File

@ -141,6 +141,12 @@ class ContentRepositoryConfig(Config):
"prevent_media_downloads_from", []
)
self.unused_expiration_time = self.parse_duration(
config.get("unused_expiration_time", "24h")
)
self.max_pending_media_uploads = config.get("max_pending_media_uploads", 5)
self.media_store_path = self.ensure_directory(
config.get("media_store_path", "media_store")
)

6
synapse/media/_base.py
View File

@ -83,6 +83,12 @@ INLINE_CONTENT_TYPES = [
"audio/x-flac",
]
# Default timeout_ms for download and thumbnail requests
DEFAULT_MAX_TIMEOUT_MS = 20_000
# Maximum allowed timeout_ms for download and thumbnail requests
MAXIMUM_ALLOWED_MAX_TIMEOUT_MS = 60_000
def respond_404(request: SynapseRequest) -> None:
assert request.path is not None

220
synapse/media/media_repository.py
View File

@ -27,13 +27,16 @@ import twisted.web.http
from twisted.internet.defer import Deferred
from synapse.api.errors import (
Codes,
FederationDeniedError,
HttpResponseException,
NotFoundError,
RequestSendFailed,
SynapseError,
cs_error,
)
from synapse.config.repository import ThumbnailRequirement
from synapse.http.server import respond_with_json
from synapse.http.site import SynapseRequest
from synapse.logging.context import defer_to_thread
from synapse.logging.opentracing import trace
@ -51,7 +54,7 @@ from synapse.media.storage_provider import StorageProviderWrapper
from synapse.media.thumbnailer import Thumbnailer, ThumbnailError
from synapse.media.url_previewer import UrlPreviewer
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage.databases.main.media_repository import RemoteMedia
from synapse.storage.databases.main.media_repository import LocalMedia, RemoteMedia
from synapse.types import UserID
from synapse.util.async_helpers import Linearizer
from synapse.util.retryutils import NotRetryingDestination
@ -80,6 +83,8 @@ class MediaRepository:
self.store = hs.get_datastores().main
self.max_upload_size = hs.config.media.max_upload_size
self.max_image_pixels = hs.config.media.max_image_pixels
self.unused_expiration_time = hs.config.media.unused_expiration_time
self.max_pending_media_uploads = hs.config.media.max_pending_media_uploads
Thumbnailer.set_limits(self.max_image_pixels)
@ -185,6 +190,117 @@ class MediaRepository:
else:
self.recently_accessed_locals.add(media_id)
@trace
async def create_media_id(self, auth_user: UserID) -> Tuple[str, int]:
"""Create and store a media ID for a local user and return the MXC URI and its
expiration.
Args:
auth_user: The user_id of the uploader
Returns:
A tuple containing the MXC URI of the stored content and the timestamp at
which the MXC URI expires.
"""
media_id = random_string(24)
now = self.clock.time_msec()
await self.store.store_local_media_id(
media_id=media_id,
time_now_ms=now,
user_id=auth_user,
)
return f"mxc://{self.server_name}/{media_id}", now + self.unused_expiration_time
@trace
async def reached_pending_media_limit(self, auth_user: UserID) -> Tuple[bool, int]:
"""Check if the user is over the limit for pending media uploads.
Args:
auth_user: The user_id of the uploader
Returns:
A tuple with a boolean and an integer indicating whether the user has too
many pending media uploads and the timestamp at which the first pending
media will expire, respectively.
"""
pending, first_expiration_ts = await self.store.count_pending_media(
user_id=auth_user
)
return pending >= self.max_pending_media_uploads, first_expiration_ts
@trace
async def verify_can_upload(self, media_id: str, auth_user: UserID) -> None:
"""Verify that the media ID can be uploaded to by the given user. This
function checks that:
* the media ID exists
* the media ID does not already have content
* the user uploading is the same as the one who created the media ID
* the media ID has not expired
Args:
media_id: The media ID to verify
auth_user: The user_id of the uploader
"""
media = await self.store.get_local_media(media_id)
if media is None:
raise SynapseError(404, "Unknow media ID", errcode=Codes.NOT_FOUND)
if media.user_id != auth_user.to_string():
raise SynapseError(
403,
"Only the creator of the media ID can upload to it",
errcode=Codes.FORBIDDEN,
)
if media.media_length is not None:
raise SynapseError(
409,
"Media ID already has content",
errcode=Codes.CANNOT_OVERWRITE_MEDIA,
)
expired_time_ms = self.clock.time_msec() - self.unused_expiration_time
if media.created_ts < expired_time_ms:
raise NotFoundError("Media ID has expired")
@trace
async def update_content(
self,
media_id: str,
media_type: str,
upload_name: Optional[str],
content: IO,
content_length: int,
auth_user: UserID,
) -> None:
"""Update the content of the given media ID.
Args:
media_id: The media ID to replace.
media_type: The content type of the file.
upload_name: The name of the file, if provided.
content: A file like object that is the content to store
content_length: The length of the content
auth_user: The user_id of the uploader
"""
file_info = FileInfo(server_name=None, file_id=media_id)
fname = await self.media_storage.store_file(content, file_info)
logger.info("Stored local media in file %r", fname)
await self.store.update_local_media(
media_id=media_id,
media_type=media_type,
upload_name=upload_name,
media_length=content_length,
user_id=auth_user,
)
try:
await self._generate_thumbnails(None, media_id, media_id, media_type)
except Exception as e:
logger.info("Failed to generate thumbnails: %s", e)
@trace
async def create_content(
self,
@ -231,8 +347,74 @@ class MediaRepository:
return MXCUri(self.server_name, media_id)
def respond_not_yet_uploaded(self, request: SynapseRequest) -> None:
respond_with_json(
request,
504,
cs_error("Media has not been uploaded yet", code=Codes.NOT_YET_UPLOADED),
send_cors=True,
)
async def get_local_media_info(
self, request: SynapseRequest, media_id: str, max_timeout_ms: int
) -> Optional[LocalMedia]:
"""Gets the info dictionary for given local media ID. If the media has
not been uploaded yet, this function will wait up to ``max_timeout_ms``
milliseconds for the media to be uploaded.
Args:
request: The incoming request.
media_id: The media ID of the content. (This is the same as
the file_id for local content.)
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
Either the info dictionary for the given local media ID or
``None``. If ``None``, then no further processing is necessary as
this function will send the necessary JSON response.
"""
wait_until = self.clock.time_msec() + max_timeout_ms
while True:
# Get the info for the media
media_info = await self.store.get_local_media(media_id)
if not media_info:
logger.info("Media %s is unknown", media_id)
respond_404(request)
return None
if media_info.quarantined_by:
logger.info("Media %s is quarantined", media_id)
respond_404(request)
return None
# The file has been uploaded, so stop looping
if media_info.media_length is not None:
return media_info
# Check if the media ID has expired and still hasn't been uploaded to.
now = self.clock.time_msec()
expired_time_ms = now - self.unused_expiration_time
if media_info.created_ts < expired_time_ms:
logger.info("Media %s has expired without being uploaded", media_id)
respond_404(request)
return None
if now >= wait_until:
break
await self.clock.sleep(0.5)
logger.info("Media %s has not yet been uploaded", media_id)
self.respond_not_yet_uploaded(request)
return None
async def get_local_media(
self, request: SynapseRequest, media_id: str, name: Optional[str]
self,
request: SynapseRequest,
media_id: str,
name: Optional[str],
max_timeout_ms: int,
) -> None:
"""Responds to requests for local media, if exists, or returns 404.
@ -242,13 +424,14 @@ class MediaRepository:
the file_id for local content.)
name: Optional name that, if specified, will be used as
the filename in the Content-Disposition header of the response.
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
Resolves once a response has successfully been written to request
"""
media_info = await self.store.get_local_media(media_id)
if not media_info or media_info.quarantined_by:
respond_404(request)
media_info = await self.get_local_media_info(request, media_id, max_timeout_ms)
if not media_info:
return
self.mark_recently_accessed(None, media_id)
@ -273,6 +456,7 @@ class MediaRepository:
server_name: str,
media_id: str,
name: Optional[str],
max_timeout_ms: int,
) -> None:
"""Respond to requests for remote media.
@ -282,6 +466,8 @@ class MediaRepository:
media_id: The media ID of the content (as defined by the remote server).
name: Optional name that, if specified, will be used as
the filename in the Content-Disposition header of the response.
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
Resolves once a response has successfully been written to request
@ -307,11 +493,11 @@ class MediaRepository:
key = (server_name, media_id)
async with self.remote_media_linearizer.queue(key):
responder, media_info = await self._get_remote_media_impl(
server_name, media_id
server_name, media_id, max_timeout_ms
)
# We deliberately stream the file outside the lock
if responder:
if responder and media_info:
upload_name = name if name else media_info.upload_name
await respond_with_responder(
request,
@ -324,7 +510,7 @@ class MediaRepository:
respond_404(request)
async def get_remote_media_info(
self, server_name: str, media_id: str
self, server_name: str, media_id: str, max_timeout_ms: int
) -> RemoteMedia:
"""Gets the media info associated with the remote file, downloading
if necessary.
@ -332,6 +518,8 @@ class MediaRepository:
Args:
server_name: Remote server_name where the media originated.
media_id: The media ID of the content (as defined by the remote server).
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
The media info of the file
@ -347,7 +535,7 @@ class MediaRepository:
key = (server_name, media_id)
async with self.remote_media_linearizer.queue(key):
responder, media_info = await self._get_remote_media_impl(
server_name, media_id
server_name, media_id, max_timeout_ms
)
# Ensure we actually use the responder so that it releases resources
@ -358,7 +546,7 @@ class MediaRepository:
return media_info
async def _get_remote_media_impl(
self, server_name: str, media_id: str
self, server_name: str, media_id: str, max_timeout_ms: int
) -> Tuple[Optional[Responder], RemoteMedia]:
"""Looks for media in local cache, if not there then attempt to
download from remote server.
@ -367,6 +555,8 @@ class MediaRepository:
server_name: Remote server_name where the media originated.
media_id: The media ID of the content (as defined by the
remote server).
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
A tuple of responder and the media info of the file.
@ -399,8 +589,7 @@ class MediaRepository:
try:
media_info = await self._download_remote_file(
server_name,
media_id,
server_name, media_id, max_timeout_ms
)
except SynapseError:
raise
@ -433,6 +622,7 @@ class MediaRepository:
self,
server_name: str,
media_id: str,
max_timeout_ms: int,
) -> RemoteMedia:
"""Attempt to download the remote file from the given server name,
using the given file_id as the local id.
@ -442,7 +632,8 @@ class MediaRepository:
media_id: The media ID of the content (as defined by the
remote server). This is different than the file_id, which is
locally generated.
file_id: Local file ID
max_timeout_ms: the maximum number of milliseconds to wait for the
media to be uploaded.
Returns:
The media info of the file.
@ -466,7 +657,8 @@ class MediaRepository:
# tell the remote server to 404 if it doesn't
# recognise the server_name, to make sure we don't
# end up with a routing loop.
"allow_remote": "false"
"allow_remote": "false",
"timeout_ms": str(max_timeout_ms),
},
)
except RequestSendFailed as e:

83
synapse/rest/media/create_resource.py Normal file
View File

@ -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,
)

22
synapse/rest/media/download_resource.py
View File

@ -17,9 +17,13 @@ import re
from typing import TYPE_CHECKING, Optional
from synapse.http.server import set_corp_headers, set_cors_headers
from synapse.http.servlet import RestServlet, parse_boolean
from synapse.http.servlet import RestServlet, parse_boolean, parse_integer
from synapse.http.site import SynapseRequest
from synapse.media._base import respond_404
from synapse.media._base import (
DEFAULT_MAX_TIMEOUT_MS,
MAXIMUM_ALLOWED_MAX_TIMEOUT_MS,
respond_404,
)
from synapse.util.stringutils import parse_and_validate_server_name
if TYPE_CHECKING:
@ -65,12 +69,16 @@ class DownloadResource(RestServlet):
)
# Limited non-standard form of CSP for IE11
request.setHeader(b"X-Content-Security-Policy", b"sandbox;")
request.setHeader(
b"Referrer-Policy",
b"no-referrer",
request.setHeader(b"Referrer-Policy", b"no-referrer")
max_timeout_ms = parse_integer(
request, "timeout_ms", default=DEFAULT_MAX_TIMEOUT_MS
)
max_timeout_ms = min(max_timeout_ms, MAXIMUM_ALLOWED_MAX_TIMEOUT_MS)
if self._is_mine_server_name(server_name):
await self.media_repo.get_local_media(request, media_id, file_name)
await self.media_repo.get_local_media(
request, media_id, file_name, max_timeout_ms
)
else:
allow_remote = parse_boolean(request, "allow_remote", default=True)
if not allow_remote:
@ -83,5 +91,5 @@ class DownloadResource(RestServlet):
return
await self.media_repo.get_remote_media(
request, server_name, media_id, file_name
request, server_name, media_id, file_name, max_timeout_ms
)

8
synapse/rest/media/media_repository_resource.py
View File

@ -18,10 +18,11 @@ from synapse.config._base import ConfigError
from synapse.http.server import HttpServer, JsonResource
from .config_resource import MediaConfigResource
from .create_resource import CreateResource
from .download_resource import DownloadResource
from .preview_url_resource import PreviewUrlResource
from .thumbnail_resource import ThumbnailResource
from .upload_resource import UploadResource
from .upload_resource import AsyncUploadServlet, UploadServlet
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -91,8 +92,9 @@ class MediaRepositoryResource(JsonResource):
# Note that many of these should not exist as v1 endpoints, but empirically
# a lot of traffic still goes to them.
UploadResource(hs, media_repo).register(http_server)
CreateResource(hs, media_repo).register(http_server)
UploadServlet(hs, media_repo).register(http_server)
AsyncUploadServlet(hs, media_repo).register(http_server)
DownloadResource(hs, media_repo).register(http_server)
ThumbnailResource(hs, media_repo, media_repo.media_storage).register(
http_server

65
synapse/rest/media/thumbnail_resource.py
View File

@ -23,6 +23,8 @@ from synapse.http.server import respond_with_json, set_corp_headers, set_cors_he
from synapse.http.servlet import RestServlet, parse_integer, parse_string
from synapse.http.site import SynapseRequest
from synapse.media._base import (
DEFAULT_MAX_TIMEOUT_MS,
MAXIMUM_ALLOWED_MAX_TIMEOUT_MS,
FileInfo,
ThumbnailInfo,
respond_404,
@ -75,15 +77,19 @@ class ThumbnailResource(RestServlet):
method = parse_string(request, "method", "scale")
# TODO Parse the Accept header to get an prioritised list of thumbnail types.
m_type = "image/png"
max_timeout_ms = parse_integer(
request, "timeout_ms", default=DEFAULT_MAX_TIMEOUT_MS
)
max_timeout_ms = min(max_timeout_ms, MAXIMUM_ALLOWED_MAX_TIMEOUT_MS)
if self._is_mine_server_name(server_name):
if self.dynamic_thumbnails:
await self._select_or_generate_local_thumbnail(
request, media_id, width, height, method, m_type
request, media_id, width, height, method, m_type, max_timeout_ms
)
else:
await self._respond_local_thumbnail(
request, media_id, width, height, method, m_type
request, media_id, width, height, method, m_type, max_timeout_ms
)
self.media_repo.mark_recently_accessed(None, media_id)
else:
@ -95,13 +101,20 @@ class ThumbnailResource(RestServlet):
respond_404(request)
return
if self.dynamic_thumbnails:
await self._select_or_generate_remote_thumbnail(
request, server_name, media_id, width, height, method, m_type
remote_resp_function = (
self._select_or_generate_remote_thumbnail
if self.dynamic_thumbnails
else self._respond_remote_thumbnail
)
else:
await self._respond_remote_thumbnail(
request, server_name, media_id, width, height, method, m_type
await remote_resp_function(
request,
server_name,
media_id,
width,
height,
method,
m_type,
max_timeout_ms,
)
self.media_repo.mark_recently_accessed(server_name, media_id)
@ -113,15 +126,12 @@ class ThumbnailResource(RestServlet):
height: int,
method: str,
m_type: str,
max_timeout_ms: int,
) -> None:
media_info = await self.store.get_local_media(media_id)
media_info = await self.media_repo.get_local_media_info(
request, media_id, max_timeout_ms
)
if not media_info:
respond_404(request)
return
if media_info.quarantined_by:
logger.info("Media is quarantined")
respond_404(request)
return
thumbnail_infos = await self.store.get_local_media_thumbnails(media_id)
@ -146,15 +156,13 @@ class ThumbnailResource(RestServlet):
desired_height: int,
desired_method: str,
desired_type: str,
max_timeout_ms: int,
) -> None:
media_info = await self.store.get_local_media(media_id)
media_info = await self.media_repo.get_local_media_info(
request, media_id, max_timeout_ms
)
if not media_info:
respond_404(request)
return
if media_info.quarantined_by:
logger.info("Media is quarantined")
respond_404(request)
return
thumbnail_infos = await self.store.get_local_media_thumbnails(media_id)
@ -206,8 +214,14 @@ class ThumbnailResource(RestServlet):
desired_height: int,
desired_method: str,
desired_type: str,
max_timeout_ms: int,
) -> None:
media_info = await self.media_repo.get_remote_media_info(server_name, media_id)
media_info = await self.media_repo.get_remote_media_info(
server_name, media_id, max_timeout_ms
)
if not media_info:
respond_404(request)
return
thumbnail_infos = await self.store.get_remote_media_thumbnails(
server_name, media_id
@ -263,11 +277,16 @@ class ThumbnailResource(RestServlet):
height: int,
method: str,
m_type: str,
max_timeout_ms: int,
) -> None:
# TODO: Don't download the whole remote file
# We should proxy the thumbnail from the remote server instead of
# downloading the remote file and generating our own thumbnails.
media_info = await self.media_repo.get_remote_media_info(server_name, media_id)
media_info = await self.media_repo.get_remote_media_info(
server_name, media_id, max_timeout_ms
)
if not media_info:
return
thumbnail_infos = await self.store.get_remote_media_thumbnails(
server_name, media_id

75
synapse/rest/media/upload_resource.py
View File

@ -15,7 +15,7 @@
import logging
import re
from typing import IO, TYPE_CHECKING, Dict, List, Optional
from typing import IO, TYPE_CHECKING, Dict, List, Optional, Tuple
from synapse.api.errors import Codes, SynapseError
from synapse.http.server import respond_with_json
@ -29,23 +29,24 @@ if TYPE_CHECKING:
logger = logging.getLogger(__name__)
# The name of the lock to use when uploading media.
_UPLOAD_MEDIA_LOCK_NAME = "upload_media"
class UploadResource(RestServlet):
PATTERNS = [re.compile("/_matrix/media/(r0|v3|v1)/upload")]
class BaseUploadServlet(RestServlet):
def __init__(self, hs: "HomeServer", media_repo: "MediaRepository"):
super().__init__()
self.media_repo = media_repo
self.filepaths = media_repo.filepaths
self.store = hs.get_datastores().main
self.clock = hs.get_clock()
self.server_name = hs.hostname
self.auth = hs.get_auth()
self.max_upload_size = hs.config.media.max_upload_size
self.clock = hs.get_clock()
async def on_POST(self, request: SynapseRequest) -> None:
requester = await self.auth.get_user_by_req(request)
def _get_file_metadata(
self, request: SynapseRequest
) -> Tuple[int, Optional[str], str]:
raw_content_length = request.getHeader("Content-Length")
if raw_content_length is None:
raise SynapseError(msg="Request must specify a Content-Length", code=400)
@ -88,6 +89,16 @@ class UploadResource(RestServlet):
# disposition = headers.getRawHeaders(b"Content-Disposition")[0]
# TODO(markjh): parse content-dispostion
return content_length, upload_name, media_type
class UploadServlet(BaseUploadServlet):
PATTERNS = [re.compile("/_matrix/media/(r0|v3|v1)/upload$")]
async def on_POST(self, request: SynapseRequest) -> None:
requester = await self.auth.get_user_by_req(request)
content_length, upload_name, media_type = self._get_file_metadata(request)
try:
content: IO = request.content # type: ignore
content_uri = await self.media_repo.create_content(
@ -103,3 +114,53 @@ class UploadResource(RestServlet):
respond_with_json(
request, 200, {"content_uri": str(content_uri)}, send_cors=True
)
class AsyncUploadServlet(BaseUploadServlet):
PATTERNS = [
re.compile(
"/_matrix/media/v3/upload/(?P<server_name>[^/]*)/(?P<media_id>[^/]*)$"
)
]
async def on_PUT(
self, request: SynapseRequest, server_name: str, media_id: str
) -> None:
requester = await self.auth.get_user_by_req(request)
if server_name != self.server_name:
raise SynapseError(
404,
"Non-local server name specified",
errcode=Codes.NOT_FOUND,
)
lock = await self.store.try_acquire_lock(_UPLOAD_MEDIA_LOCK_NAME, media_id)
if not lock:
raise SynapseError(
409,
"Media ID cannot be overwritten",
errcode=Codes.CANNOT_OVERWRITE_MEDIA,
)
async with lock:
await self.media_repo.verify_can_upload(media_id, requester.user)
content_length, upload_name, media_type = self._get_file_metadata(request)
try:
content: IO = request.content # type: ignore
await self.media_repo.update_content(
media_id,
media_type,
upload_name,
content,
content_length,
requester.user,
)
except SpamMediaException:
# For uploading of media we want to respond with a 400, instead of
# the default 404, as that would just be confusing.
raise SynapseError(400, "Bad content")
logger.info("Uploaded content for media ID %r", media_id)
respond_with_json(request, 200, {}, send_cors=True)

90
synapse/storage/databases/main/media_repository.py
View File

@ -49,13 +49,14 @@ BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD_2 = (
class LocalMedia:
media_id: str
media_type: str
media_length: int
media_length: Optional[int]
upload_name: str
created_ts: int
url_cache: Optional[str]
last_access_ts: int
quarantined_by: Optional[str]
safe_from_quarantine: bool
user_id: Optional[str]
@attr.s(slots=True, frozen=True, auto_attribs=True)
@ -149,6 +150,13 @@ class MediaRepositoryBackgroundUpdateStore(SQLBaseStore):
self._drop_media_index_without_method,
)
if hs.config.media.can_load_media_repo:
self.unused_expiration_time: Optional[
int
] = hs.config.media.unused_expiration_time
else:
self.unused_expiration_time = None
async def _drop_media_index_without_method(
self, progress: JsonDict, batch_size: int
) -> int:
@ -202,6 +210,7 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
"url_cache",
"last_access_ts",
"safe_from_quarantine",
"user_id",
),
allow_none=True,
desc="get_local_media",
@ -218,6 +227,7 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
url_cache=row[5],
last_access_ts=row[6],
safe_from_quarantine=row[7],
user_id=row[8],
)
async def get_local_media_by_user_paginate(
@ -272,7 +282,8 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
url_cache,
last_access_ts,
quarantined_by,
safe_from_quarantine
safe_from_quarantine,
user_id
FROM local_media_repository
WHERE user_id = ?
ORDER BY {order_by_column} {order}, media_id ASC
@ -295,6 +306,7 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
last_access_ts=row[6],
quarantined_by=row[7],
safe_from_quarantine=bool(row[8]),
user_id=row[9],
)
for row in txn
]
@ -391,6 +403,23 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
"get_local_media_ids", _get_local_media_ids_txn
)
@trace
async def store_local_media_id(
self,
media_id: str,
time_now_ms: int,
user_id: UserID,
) -> None:
await self.db_pool.simple_insert(
"local_media_repository",
{
"media_id": media_id,
"created_ts": time_now_ms,
"user_id": user_id.to_string(),
},
desc="store_local_media_id",
)
@trace
async def store_local_media(
self,
@ -416,6 +445,30 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
desc="store_local_media",
)
async def update_local_media(
self,
media_id: str,
media_type: str,
upload_name: Optional[str],
media_length: int,
user_id: UserID,
url_cache: Optional[str] = None,
) -> None:
await self.db_pool.simple_update_one(
"local_media_repository",
keyvalues={
"user_id": user_id.to_string(),
"media_id": media_id,
},
updatevalues={
"media_type": media_type,
"upload_name": upload_name,
"media_length": media_length,
"url_cache": url_cache,
},
desc="update_local_media",
)
async def mark_local_media_as_safe(self, media_id: str, safe: bool = True) -> None:
"""Mark a local media as safe or unsafe from quarantining."""
await self.db_pool.simple_update_one(
@ -425,6 +478,39 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
desc="mark_local_media_as_safe",
)
async def count_pending_media(self, user_id: UserID) -> Tuple[int, int]:
"""Count the number of pending media for a user.
Returns:
A tuple of two integers: the total pending media requests and the earliest
expiration timestamp.
"""
def get_pending_media_txn(txn: LoggingTransaction) -> Tuple[int, int]:
sql = """
SELECT COUNT(*), MIN(created_ts)
FROM local_media_repository
WHERE user_id = ?
AND created_ts > ?
AND media_length IS NULL
"""
assert self.unused_expiration_time is not None
txn.execute(
sql,
(
user_id.to_string(),
self._clock.time_msec() - self.unused_expiration_time,
),
)
row = txn.fetchone()
if not row:
return 0, 0
return row[0], (row[1] + self.unused_expiration_time if row[1] else 0)
return await self.db_pool.runInteraction(
"get_pending_media", get_pending_media_txn
)
async def get_url_cache(self, url: str, ts: int) -> Optional[UrlCache]:
"""Get the media_id and ts for a cached URL as of the given timestamp
Returns:

4
tests/media/test_media_storage.py
View File

@ -318,7 +318,9 @@ class MediaRepoTests(unittest.HomeserverTestCase):
self.assertEqual(
self.fetches[0][2], "/_matrix/media/r0/download/" + self.media_id
)
self.assertEqual(self.fetches[0][3], {"allow_remote": "false"})
self.assertEqual(
self.fetches[0][3], {"allow_remote": "false", "timeout_ms": "20000"}
)
headers = {
b"Content-Length": [b"%d" % (len(self.test_image.data))],