MatrixSynapse/docs/admin_api/media_admin_api.md

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# List all media in a room
This API gets a list of known media in a room.
The API is:
```
GET /_synapse/admin/v1/room/<room_id>/media
```
To use it, you will need to authenticate by providing an `access_token` for a
server admin: see [README.rst](README.rst).
The API returns a JSON body like the following:
```
{
"local": [
"mxc://localhost/xwvutsrqponmlkjihgfedcba",
"mxc://localhost/abcdefghijklmnopqrstuvwx"
],
"remote": [
"mxc://matrix.org/xwvutsrqponmlkjihgfedcba",
"mxc://matrix.org/abcdefghijklmnopqrstuvwx"
]
}
```
# Quarantine media
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.
The media file itself (and any thumbnails) is not deleted from the server.
## Quarantining media by ID
This API quarantines a single piece of local or remote media.
Request:
```
POST /_synapse/admin/v1/media/quarantine/<server_name>/<media_id>
{}
```
Where `server_name` is in the form of `example.org`, and `media_id` is in the
form of `abcdefg12345...`.
Response:
```
{}
```
## Quarantining media in a room
This API quarantines all local and remote media in a room.
Request:
```
POST /_synapse/admin/v1/room/<room_id>/media/quarantine
{}
```
Where `room_id` is in the form of `!roomid12345:example.org`.
Response:
```
{
"num_quarantined": 10 # The number of media items successfully quarantined
}
```
Note that there is a legacy endpoint, `POST
/_synapse/admin/v1/quarantine_media/<room_id >`, that operates the same.
However, it is deprecated and may be removed in a future release.
## Quarantining all media of a user
This API quarantines all *local* media that a *local* 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.
Request:
```
POST /_synapse/admin/v1/user/<user_id>/media/quarantine
{}
```
Where `user_id` is in the form of `@bob:example.org`.
Response:
```
{
"num_quarantined": 10 # The number of media items successfully quarantined
}
```