authelia/docs/content/integration/openid-connect/clients/mattermost/index.md at 29bcec06d8990283e48b31d0644638984f254249

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Amir Zarrinkafsh 29bcec06d8 release: v4.39.24 (#13070 )

Signed-off-by: Amir Zarrinkafsh <3339418+nightah@users.noreply.github.com>

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Mattermost

Integrating Mattermost with the Authelia OpenID Connect 1.0 Provider.

2024-03-14T06:00:14+11:00

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title	description	canonical	noindex
Mattermost \| OpenID Connect 1.0 \| Integration	Step-by-step guide to configuring Mattermost with OpenID Connect 1.0 for secure SSO. Enhance your login flow using Authelia’s modern identity management.		false

Tested Versions

Assumptions

This example makes the following assumptions:

Application Root URL: https://mattermost.{{< sitevar name="domain" nojs="example.com" >}}/
Authelia Root URL: https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}/
Client ID: mattermost
Client Secret: insecure_secret

Some of the values presented in this guide can automatically be replaced with documentation variables.

Configuration

Authelia

The following YAML configuration is an example Authelia client configuration for use with Mattermost which will operate with the application example:

identity_providers:
  oidc:
    ## The other portions of the mandatory OpenID Connect 1.0 configuration go here.
    ## See: https://www.authelia.com/c/oidc
    claims_policies:
      mattermost:
        custom_claims:
          username:
            name: 'username'
            attribute: 'username'
    scopes:
      mattermost:
        claims:
          - 'username'
    clients:
      - client_id: 'mattermost'
        client_name: 'Mattermost'
        client_secret: '$pbkdf2-sha512$310000$c8p78n7pUMln0jzvd4aK4Q$JNRBzwAo0ek5qKn50cFzzvE9RXV88h1wJn5KGiHrD0YKtZaR/nCb2CJPOsKaPK0hjf.9yHxzQGZziziccp6Yng'  # The digest of 'insecure_secret'.
        public: false
        authorization_policy: 'two_factor'
        claims_policy: 'mattermost'
        require_pkce: false
        pkce_challenge_method: ''
        redirect_uris:
          - 'https://mattermost.{{< sitevar name="domain" nojs="example.com" >}}/signup/gitlab/complete'
        scopes:
          - 'openid'
          - 'mattermost'
        response_types:
          - 'code'
        grant_types:
          - 'authorization_code'
        access_token_signed_response_alg: 'none'
        userinfo_signed_response_alg: 'none'
        token_endpoint_auth_method: 'client_secret_post'

Application

Before configuring or using OpenID Connect 1.0 with Mattermost you must ensure the openid extension is installed.

To configure Mattermost there is one method, using the Configuration File.

Configuration File

To configure Mattermost to utilize Authelia as an OpenID Connect 1.0 Provider, use the following configuration:

{
  "GitLabSettings": {
    "Enable": true,
    "Id": "mattermost",
    "Secret": "insecure_secret",
    "Scope": "openid mattermost",
    "DiscoveryEndpoint": "https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}/.well-known/openid-configuration",
    "ButtonText": "Log in with Authelia",
    "ButtonColor": "#000000"
  }
}

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