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111 lines
4.1 KiB
Markdown
111 lines
4.1 KiB
Markdown
Send notifications via Matrix
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=============================
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[⬅️ Go back to main README](../../README.md)
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> ℹ️️ **Info**: This module can not be used on its own but requires the base
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> installation. See [main README](../../README.md) for details.
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Description
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-----------
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This module adds support for sending notifications via
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[Matrix](https://matrix.org/) via client server api. A queue is used to
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make sure notifications are not lost on failure but sent later.
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Requirements and installation
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-----------------------------
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Just install the module:
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$ScriptInstallUpdate mod/notification-matrix;
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Also install a Matrix client on at least one of your mobile and/or desktop
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devices. As there is no privilege separation you should create a dedicated
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notification account, in addition to your general user account.
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Configuration
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-------------
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Edit `global-config-overlay`, add `MatrixHomeServer`, `MatrixAccessToken` and
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`MatrixRoom` - see below on hints how to retrieve this information. Then
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reload the configuration.
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### Home server
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Matrix user accounts are identified by a unique user id in the form of
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`@localpart:domain`. The `domain` part is not necessarily your home server
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address, you have to resolve it with the procedure described in the
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[Matrix specification](https://spec.matrix.org/latest/client-server-api/#server-discovery).
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Your best bet is to query the server at `domain` with the
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[well-known uri](https://spec.matrix.org/latest/client-server-api/#well-known-uri).
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For "*matrix.org*" this query is:
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/tool/fetch "https://matrix.org/.well-known/matrix/client" output=user;
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So the home server for "*matrix.org*" is "*matrix-client.matrix.org*".
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Please strip the protocol ("*https://*") for `MatrixHomeServer` if given.
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### Access token
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After discovering the correct home server an access token has to be created.
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For this the login credentials (username and password) of the notification
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account must be sent to the home server via
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[client server api](https://matrix.org/docs/guides/client-server-api#login).
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We use the home server discovered above, "*matrix-client.matrix.org*".
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The user is "*example*" and password is "*v3ry-s3cr3t*".
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/tool/fetch "https://matrix-client.matrix.org/_matrix/client/r0/login" http-method=post http-data="{\"type\":\"m.login.password\", \"user\":\"example\", \"password\":\"v3ry-s3cr3t\"}" output=user;
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The server replied with a JSON object containing the `access_token`, use that
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for `MatrixAccessToken`.
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### Room
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Every Matix chat is a room, so we have to create one. Do so with your general
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user, this makes sure your general user is the room owner. Then join the room
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and invite the notification user by its user id "*@example:matrix.org*". Look
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up the room id within the Matrix client, it should read like
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"*!WUcxpSjKyxSGelouhA:matrix.org*". Use that for `MatrixRoom`.
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Finally join the notification user to the room by accepting the invite. Again,
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this can be done with
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[client server api](https://matrix.org/docs/guides/client-server-api#joining-a-room-via-an-invite).
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Make sure to replace room id ("*!*" is escaped with "*%21*") and access token
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with your data.
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/tool/fetch "https://matrix-client.matrix.org/_matrix/client/r0/rooms/%21WUcxpSjKyxSGelouhA:matrix.org/join?access_token=yt_ZXdvcm0tdGVzdA_NNqUyvKHRhBLZmnzVVSK_0xu6yN" http-method=post http-data="" output=user;
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Usage and invocation
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--------------------
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There's nothing special to do. Every script or function sending a notification
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will now send it to your Matrix account.
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But of course you can send notifications directly or use a function in your
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own scripts. Give it a try:
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$SendMatrix "Subject..." "Body..."
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Alternatively this sends a notification with all available and configured
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methods:
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$SendNotification "Subject..." "Body..."
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See also
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--------
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* [Send notifications via e-mail](notification-email.md)
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* [Send notifications via Telegram](notification-telegram.md)
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---
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[⬅️ Go back to main README](../../README.md)
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[⬆️ Go back to top](#top)
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