# Matrix Synapse Miscellaneous

Different things, sometimes advanced and some things that just did not fit in the regular guide. 

## Matrix tips they don't tell you
https://wordsmith.social/cos/matrix-tips-they-dont-tell-you

## Interesting projects

Moved to [[digital:server:matrixprojects|Matrix projects]]

## Synpase maintenance tools

* https://matrix-org.github.io/synapse/latest/usage/administration/database_maintenance_tools.html

## Show the public rooms on the server

* ''https://example.com/_matrix/client/r0/publicRooms''

## Coturn

Coturn is a turn server and it is used for 1:1 voip calls through the client (example: riot).

<code>apt install coturn</code>

Edit Config files

opening ports

## Installing Bots

Matrix Synapse currently does not have a concept of bots, a bot is just a normal user. Usally there is a config and a ''.py'' file, download the files, unpack them and run the ''.py'' file. Running and downloading things via pip is not recommended.

Install python3

<code>sudo apt install python3</code>

then install pip

<code>sudo apt install python3-pip</code>

then matrix-bot-api from pyp

<code>pip3 install matrix-bot-api</code>

and finally fill out the config and start it 

<code>python3 pollbot.py</code>

## Exclude a server from a channel

Info von https://matrix.org/docs/guides/moderation#banning-servers-from-rooms-server-acls bzw. direkt https://spec.matrix.org/latest/client-server-api/#server-access-control-lists-acls-for-rooms

- Chat `/devtools`
- `Send Custom Event`
- Rechts unten roten Button `Event` drücken
- Event Type: `m.room.server_acl`
- State Key: leer lassen
- Event Content: 

```
{
	"allow": [
		"*"
	],
	"allow_ip_literals": false,
	"deny": [
		"kiwifarms.net",
		"*.kiwifarms.net",
		"zygoat.club",
		"*.zygoat.club"
	]
}
```

- `Send`
- Bestätigung im Chat `[CURRENT USER] set the server ACLs for this room.`

## Send custom reactions to messages (Powerlevel 1)

- Chat `/devtools`
- `Send Custom Event`
- Event Type: `m.reaction`
- Event Content: 

```
{
    "m.relates_to": {
        "rel_type": "m.annotation",
        "event_id": "$164569109460761pvPSY:matrix.org",
        "key": "BOMP!"
    }
}
```

## Send custom reactions to messages (Powerlevel >=50)

- Chat `/devtools`
- `Send Custom Event`
- Rechts unten roten Button `Event` drücken
- Event Type: `m.reaction`
- State Key: leer lassen
- Event Content: 

```
{
    "m.relates_to": {
        "rel_type": "m.annotation",
        "event_id": "$164569109460761pvPSY:matrix.org",
        "key": "BOMP!"
    }
}
```

- `Send`

## Tombstone Event

https://spec.matrix.org/latest/client-server-api/#events-17

- Chat `/devtools`
- `Send Custom Event`
- Rechts unten roten Button `Event` drücken
- Event Type: `m.room.tombstone`
- State Key: leer lassen
- Event Content: 

```
{
    "body": "This room has been replaced",
    "replacement_room": "!ERZvriGbDxJDxaCBxX:matrix.org"
  }
```

- `Send`

## Inactive room blocking address

IIRC you can request release of alias at support@matrix.org