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112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import TYPE_CHECKING
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from synapse.config._base import ConfigError
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from synapse.http.server import HttpServer, JsonResource
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from .config_resource import MediaConfigResource
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from .create_resource import CreateResource
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from .download_resource import DownloadResource
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from .preview_url_resource import PreviewUrlResource
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from .thumbnail_resource import ThumbnailResource
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from .upload_resource import AsyncUploadServlet, UploadServlet
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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class MediaRepositoryResource(JsonResource):
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"""File uploading and downloading.
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Uploads are POSTed to a resource which returns a token which is used to GET
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the download::
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=> POST /_matrix/media/r0/upload HTTP/1.1
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Content-Type: <media-type>
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Content-Length: <content-length>
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<media>
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<= HTTP/1.1 200 OK
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Content-Type: application/json
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{ "content_uri": "mxc://<server-name>/<media-id>" }
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=> GET /_matrix/media/r0/download/<server-name>/<media-id> HTTP/1.1
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<= HTTP/1.1 200 OK
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Content-Type: <media-type>
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Content-Disposition: attachment;filename=<upload-filename>
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<media>
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Clients can get thumbnails by supplying a desired width and height and
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thumbnailing method::
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=> GET /_matrix/media/r0/thumbnail/<server_name>
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/<media-id>?width=<w>&height=<h>&method=<m> HTTP/1.1
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<= HTTP/1.1 200 OK
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Content-Type: image/jpeg or image/png
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<thumbnail>
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The thumbnail methods are "crop" and "scale". "scale" tries to return an
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image where either the width or the height is smaller than the requested
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size. The client should then scale and letterbox the image if it needs to
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fit within a given rectangle. "crop" tries to return an image where the
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width and height are close to the requested size and the aspect matches
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the requested size. The client should scale the image if it needs to fit
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within a given rectangle.
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This gets mounted at various points under /_matrix/media, including:
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* /_matrix/media/r0
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* /_matrix/media/v1
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* /_matrix/media/v3
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"""
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def __init__(self, hs: "HomeServer"):
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# If we're not configured to use it, raise if we somehow got here.
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if not hs.config.media.can_load_media_repo:
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raise ConfigError("Synapse is not configured to use a media repo.")
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JsonResource.__init__(self, hs, canonical_json=False)
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self.register_servlets(self, hs)
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@staticmethod
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def register_servlets(http_server: HttpServer, hs: "HomeServer") -> None:
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media_repo = hs.get_media_repository()
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# Note that many of these should not exist as v1 endpoints, but empirically
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# a lot of traffic still goes to them.
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CreateResource(hs, media_repo).register(http_server)
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UploadServlet(hs, media_repo).register(http_server)
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AsyncUploadServlet(hs, media_repo).register(http_server)
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DownloadResource(hs, media_repo).register(http_server)
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ThumbnailResource(hs, media_repo, media_repo.media_storage).register(
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http_server
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)
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if hs.config.media.url_preview_enabled:
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PreviewUrlResource(hs, media_repo, media_repo.media_storage).register(
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http_server
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)
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MediaConfigResource(hs).register(http_server)
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