Mattermost
The Mattermost plugin allow integrating Collabora Online with Mattermost to be able to preview and edit attached documents.
Installation
In your Mattermost system as an adminstrator, go to the System Console, and display the Plugin Management page to upload the plugin. Once done, make sure it is listed and enabled. The Collabora Online page should be listed just below on the sidebar.

Configuration
These are the options you can set:
Setting |
Description |
---|---|
Enable plugin |
Whether the plugin is enabled or not. |
Collabora Online Address |
The URL of the Collabora Online server. |
Disable certificate verification (insecure) |
Disable the TLS certificate verification when connecting to the Collabora Online server. Caution Should only be “checked” for development, if you don’t have valid certificates. |
Token Encryption Key |
This secret is used to generate the token to access the documents. You can regenerate one by clicking “Regenerate”. This will invalidate all current tokens. |
File Edit Permissions |
If true the owner can edit the file and share access. |
Source code
The source code is available on GitHub.