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fixes HTTP 400 Error: "{\"errcode\":\"M_MISSING_PARAM\",\"error\":\"Missing key 'avatar_url'\"}"
64 lines
2.5 KiB
Markdown
64 lines
2.5 KiB
Markdown
# Setting up Appservice Webhooks (optional)
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The playbook can install and configure [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) for you.
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This bridge provides support for Slack-compatible webhooks.
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Setup Instructions:
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loosely based on [this](https://github.com/turt2live/matrix-appservice-webhooks/blob/master/README.md)
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1. All you basically need is to adjust your `inventory/host_vars/matrix.<domain-name>/vars.yml`:
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```yaml
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matrix_appservice_webhooks_enabled: true
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matrix_appservice_webhooks_api_secret: '<your_secret>'
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```
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2. In case you want to change the verbosity of logging via `journalctl -fu matrix-appservice-webhooks.service`
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you can adjust this in `inventory/host_vars/matrix.<domain-name>/vars.yml` as well.
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*Note*: default value is: `info` and availabe log levels are : `info`, `verbose`
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```yaml
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matrix_appservice_webhooks_log_level: '<log_level>'
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```
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3. If you've already installed Matrix services using the playbook before, you'll need to re-run it (`--tags=setup-all,start`). If not, proceed with [configuring other playbook services](configuring-playbook.md) and then with [Installing](installing.md). Get back to this guide once ready.
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4. If you're using the [Dimension Integration Manager](configuring-playbook-dimension.md), you can configure the Webhooks bridge by opening the Dimension integration manager -> Settings -> Bridges and selecting edit action for "Webhook Bridge". Press "Add self-hosted Bridge" button and populate "Provisioning URL" & "Shared Secret" values from `/matrix/appservice-webhooks/config/config.yaml` file's homeserver URL value and provisioning secret value, respectively.
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5. Invite the bridge bot user to your room:
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- either with `/invite @_webhook:<domain.name>` (*Note*: Make sure you have administration permissions in your room)
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- or simply add the bridge bot to a private channel (personal channels imply you being an administrator)
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6. Send a message to the bridge bot in order to receive a private message including the webhook link.
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```
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!webhook
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```
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7. The JSON body for posting messages will have to look like this:
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```json
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{
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"text": "Hello world!",
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"format": "plain",
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"displayName": "My Cool Webhook",
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"avatar_url": "http://i.imgur.com/IDOBtEJ.png"
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}
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```
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You can test this via curl like so:
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```
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curl --header "Content-Type: application/json" \
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--data '{
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"text": "Hello world!",
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"format": "plain",
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"displayName": "My Cool Webhook",
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"avatar_url": "http://i.imgur.com/IDOBtEJ.png"
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}' \
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<the link you've gotten in 5.>
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```
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