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523 lines
36 KiB
HTML
523 lines
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HTML
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<main>
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<h1 id="querying-media"><a class="header" href="#querying-media">Querying media</a></h1>
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<p>These APIs allow extracting media information from the homeserver.</p>
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<p>Details about the format of the <code>media_id</code> and storage of the media in the file system
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are documented under <a href="../media_repository.html">media repository</a>.</p>
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<p>To use it, you will need to authenticate by providing an <code>access_token</code>
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for a server admin: see <a href="../usage/administration/admin_api/">Admin API</a>.</p>
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<h2 id="list-all-media-in-a-room"><a class="header" href="#list-all-media-in-a-room">List all media in a room</a></h2>
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<p>This API gets a list of known media in a room.
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However, it only shows media from unencrypted events or rooms.</p>
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<p>The API is:</p>
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<pre><code>GET /_synapse/admin/v1/room/<room_id>/media
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</code></pre>
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<p>The API returns a JSON body like the following:</p>
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<pre><code class="language-json">{
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"local": [
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"mxc://localhost/xwvutsrqponmlkjihgfedcba",
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"mxc://localhost/abcdefghijklmnopqrstuvwx"
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],
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"remote": [
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"mxc://matrix.org/xwvutsrqponmlkjihgfedcba",
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"mxc://matrix.org/abcdefghijklmnopqrstuvwx"
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]
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}
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</code></pre>
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<h2 id="list-all-media-uploaded-by-a-user"><a class="header" href="#list-all-media-uploaded-by-a-user">List all media uploaded by a user</a></h2>
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<p>Listing all media that has been uploaded by a local user can be achieved through
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the use of the
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<a href="user_admin_api.html#list-media-uploaded-by-a-user">List media uploaded by a user</a>
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Admin API.</p>
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<h2 id="query-a-piece-of-media-by-id"><a class="header" href="#query-a-piece-of-media-by-id">Query a piece of media by ID</a></h2>
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<p>This API returns information about a piece of local or cached remote media given the origin server name and media id. If
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information is requested for remote media which is not cached the endpoint will return 404.</p>
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<p>Request:</p>
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<pre><code class="language-http">GET /_synapse/admin/v1/media/<origin>/<media_id>
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</code></pre>
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<p>The API returns a JSON body with media info like the following:</p>
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<p>Response:</p>
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<pre><code class="language-json">{
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"media_info": {
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"media_origin": "remote.com",
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"user_id": null,
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"media_id": "sdginwegWEG",
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"media_type": "img/png",
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|
"media_length": 67,
|
|
"upload_name": "test.png",
|
|
"created_ts": 300,
|
|
"filesystem_id": "wgeweg",
|
|
"url_cache": null,
|
|
"last_access_ts": 400,
|
|
"quarantined_by": null,
|
|
"authenticated": false,
|
|
"safe_from_quarantine": null,
|
|
"sha256": "ebf4f635a17d10d6eb46ba680b70142419aa3220f228001a036d311a22ee9d2a"
|
|
}
|
|
}
|
|
</code></pre>
|
|
<h1 id="quarantine-media"><a class="header" href="#quarantine-media">Quarantine media</a></h1>
|
|
<p>Quarantining media means that it is marked as inaccessible by users. It applies
|
|
to any local media, and any locally-cached copies of remote media.</p>
|
|
<p>The media file itself (and any thumbnails) is not deleted from the server.</p>
|
|
<p>Since Synapse 1.128.0, hashes of uploaded media are tracked. If this media
|
|
is quarantined, Synapse will:</p>
|
|
<ul>
|
|
<li>Quarantine any media with a matching hash that has already been uploaded.</li>
|
|
<li>Quarantine any future media.</li>
|
|
<li>Quarantine any existing cached remote media.</li>
|
|
<li>Quarantine any future remote media.</li>
|
|
</ul>
|
|
<h2 id="downloading-quarantined-media"><a class="header" href="#downloading-quarantined-media">Downloading quarantined media</a></h2>
|
|
<p>Normally, when media is quarantined, it will return a 404 error when downloaded.
|
|
Admins can bypass this by adding <code>?admin_unsafely_bypass_quarantine=true</code>
|
|
to the <a href="https://spec.matrix.org/v1.16/client-server-api/#get_matrixclientv1mediadownloadservernamemediaid">normal download URL</a>.</p>
|
|
<p>Bypassing the quarantine check is not recommended. Media is typically quarantined
|
|
to prevent harmful content from being served to users, which includes admins. Only
|
|
set the bypass parameter if you intentionally want to access potentially harmful
|
|
content.</p>
|
|
<p>Non-admin users cannot bypass quarantine checks, even when specifying the above
|
|
query parameter.</p>
|
|
<h2 id="quarantining-media-by-id"><a class="header" href="#quarantining-media-by-id">Quarantining media by ID</a></h2>
|
|
<p>This API quarantines a single piece of local or remote media.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/quarantine/<server_name>/<media_id>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>Where <code>server_name</code> is in the form of <code>example.org</code>, and <code>media_id</code> is in the
|
|
form of <code>abcdefg12345...</code>.</p>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{}
|
|
</code></pre>
|
|
<h2 id="remove-media-from-quarantine-by-id"><a class="header" href="#remove-media-from-quarantine-by-id">Remove media from quarantine by ID</a></h2>
|
|
<p>This API removes a single piece of local or remote media from quarantine.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/unquarantine/<server_name>/<media_id>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>Where <code>server_name</code> is in the form of <code>example.org</code>, and <code>media_id</code> is in the
|
|
form of <code>abcdefg12345...</code>.</p>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{}
|
|
</code></pre>
|
|
<h2 id="quarantining-media-in-a-room"><a class="header" href="#quarantining-media-in-a-room">Quarantining media in a room</a></h2>
|
|
<p>This API quarantines all local and remote media in a room.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/room/<room_id>/media/quarantine
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>Where <code>room_id</code> is in the form of <code>!roomid12345:example.org</code>.</p>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{
|
|
"num_quarantined": 10
|
|
}
|
|
</code></pre>
|
|
<p>The following fields are returned in the JSON response body:</p>
|
|
<ul>
|
|
<li><code>num_quarantined</code>: integer - The number of media items successfully quarantined</li>
|
|
</ul>
|
|
<p>Note that there is a legacy endpoint, <code>POST /_synapse/admin/v1/quarantine_media/<room_id></code>, that operates the same.
|
|
However, it is deprecated and may be removed in a future release.</p>
|
|
<h2 id="quarantining-all-media-of-a-user"><a class="header" href="#quarantining-all-media-of-a-user">Quarantining all media of a user</a></h2>
|
|
<p>This API quarantines all <em>local</em> media that a <em>local</em> user has uploaded. That is to say, if
|
|
you would like to quarantine media uploaded by a user on a remote homeserver, you should
|
|
instead use one of the other APIs.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/user/<user_id>/media/quarantine
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>URL Parameters</p>
|
|
<ul>
|
|
<li><code>user_id</code>: string - User ID in the form of <code>@bob:example.org</code></li>
|
|
</ul>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{
|
|
"num_quarantined": 10
|
|
}
|
|
</code></pre>
|
|
<p>The following fields are returned in the JSON response body:</p>
|
|
<ul>
|
|
<li><code>num_quarantined</code>: integer - The number of media items successfully quarantined</li>
|
|
</ul>
|
|
<h2 id="protecting-media-from-being-quarantined"><a class="header" href="#protecting-media-from-being-quarantined">Protecting media from being quarantined</a></h2>
|
|
<p>This API protects a single piece of local media from being quarantined using the
|
|
above APIs. This is useful for sticker packs and other shared media which you do
|
|
not want to get quarantined, especially when
|
|
<a href="#quarantining-media-in-a-room">quarantining media in a room</a>.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/protect/<media_id>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>Where <code>media_id</code> is in the form of <code>abcdefg12345...</code>.</p>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{}
|
|
</code></pre>
|
|
<h2 id="unprotecting-media-from-being-quarantined"><a class="header" href="#unprotecting-media-from-being-quarantined">Unprotecting media from being quarantined</a></h2>
|
|
<p>This API reverts the protection of a media.</p>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/unprotect/<media_id>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>Where <code>media_id</code> is in the form of <code>abcdefg12345...</code>.</p>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{}
|
|
</code></pre>
|
|
<h1 id="delete-local-media"><a class="header" href="#delete-local-media">Delete local media</a></h1>
|
|
<p>This API deletes the <em>local</em> media from the disk of your own server.
|
|
This includes any local thumbnails and copies of media downloaded from
|
|
remote homeservers.
|
|
This API will not affect media that has been uploaded to external
|
|
media repositories (e.g https://github.com/turt2live/matrix-media-repo/).
|
|
See also <a href="#purge-remote-media-api">Purge Remote Media API</a>.</p>
|
|
<h2 id="delete-a-specific-local-media"><a class="header" href="#delete-a-specific-local-media">Delete a specific local media</a></h2>
|
|
<p>Delete a specific <code>media_id</code>.</p>
|
|
<p>Request:</p>
|
|
<pre><code>DELETE /_synapse/admin/v1/media/<server_name>/<media_id>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>URL Parameters</p>
|
|
<ul>
|
|
<li><code>server_name</code>: string - The name of your local server (e.g <code>matrix.org</code>)</li>
|
|
<li><code>media_id</code>: string - The ID of the media (e.g <code>abcdefghijklmnopqrstuvwx</code>)</li>
|
|
</ul>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{
|
|
"deleted_media": [
|
|
"abcdefghijklmnopqrstuvwx"
|
|
],
|
|
"total": 1
|
|
}
|
|
</code></pre>
|
|
<p>The following fields are returned in the JSON response body:</p>
|
|
<ul>
|
|
<li><code>deleted_media</code>: an array of strings - List of deleted <code>media_id</code></li>
|
|
<li><code>total</code>: integer - Total number of deleted <code>media_id</code></li>
|
|
</ul>
|
|
<h2 id="delete-local-media-by-date-or-size"><a class="header" href="#delete-local-media-by-date-or-size">Delete local media by date or size</a></h2>
|
|
<p>Request:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/delete?before_ts=<before_ts>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p><em>Deprecated in Synapse v1.78.0:</em> This API is available at the deprecated endpoint:</p>
|
|
<pre><code>POST /_synapse/admin/v1/media/<server_name>/delete?before_ts=<before_ts>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>URL Parameters</p>
|
|
<ul>
|
|
<li><code>server_name</code>: string - The name of your local server (e.g <code>matrix.org</code>). <em>Deprecated in Synapse v1.78.0.</em></li>
|
|
<li><code>before_ts</code>: string representing a positive integer - Unix timestamp in milliseconds.
|
|
Files that were last used before this timestamp will be deleted. It is the timestamp of
|
|
last access, not the timestamp when the file was created.</li>
|
|
<li><code>size_gt</code>: Optional - string representing a positive integer - Size of the media in bytes.
|
|
Files that are larger will be deleted. Defaults to <code>0</code>.</li>
|
|
<li><code>keep_profiles</code>: Optional - string representing a boolean - Switch to also delete files
|
|
that are still used in image data (e.g user profile, room avatar).
|
|
If <code>false</code> these files will be deleted. Defaults to <code>true</code>.</li>
|
|
</ul>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{
|
|
"deleted_media": [
|
|
"abcdefghijklmnopqrstuvwx",
|
|
"abcdefghijklmnopqrstuvwz"
|
|
],
|
|
"total": 2
|
|
}
|
|
</code></pre>
|
|
<p>The following fields are returned in the JSON response body:</p>
|
|
<ul>
|
|
<li><code>deleted_media</code>: an array of strings - List of deleted <code>media_id</code></li>
|
|
<li><code>total</code>: integer - Total number of deleted <code>media_id</code></li>
|
|
</ul>
|
|
<h2 id="delete-media-uploaded-by-a-user"><a class="header" href="#delete-media-uploaded-by-a-user">Delete media uploaded by a user</a></h2>
|
|
<p>You can find details of how to delete multiple media uploaded by a user in
|
|
<a href="user_admin_api.html#delete-media-uploaded-by-a-user">User Admin API</a>.</p>
|
|
<h1 id="purge-remote-media-api"><a class="header" href="#purge-remote-media-api">Purge Remote Media API</a></h1>
|
|
<p>The purge remote media API allows server admins to purge old cached remote media.</p>
|
|
<p>The API is:</p>
|
|
<pre><code>POST /_synapse/admin/v1/purge_media_cache?before_ts=<unix_timestamp_in_ms>
|
|
|
|
{}
|
|
</code></pre>
|
|
<p>URL Parameters</p>
|
|
<ul>
|
|
<li><code>before_ts</code>: string representing a positive integer - Unix timestamp in milliseconds.
|
|
All cached media that was last accessed before this timestamp will be removed.</li>
|
|
</ul>
|
|
<p>Response:</p>
|
|
<pre><code class="language-json">{
|
|
"deleted": 10
|
|
}
|
|
</code></pre>
|
|
<p>The following fields are returned in the JSON response body:</p>
|
|
<ul>
|
|
<li><code>deleted</code>: integer - The number of media items successfully deleted</li>
|
|
</ul>
|
|
<p>If the user re-requests purged remote media, synapse will re-request the media
|
|
from the originating server.</p>
|
|
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|
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