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Mastodon

docs/content/integration/openid-connect/clients/mastodon/index.md

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Tested Versions

{{% oidc-common %}}

Assumptions

This example makes the following assumptions:

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

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

{{< sitevar-preferences >}}

Configuration

Authelia

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

yaml
identity_providers:
  oidc:
    ## The other portions of the mandatory OpenID Connect 1.0 configuration go here.
    ## See: https://www.authelia.com/c/oidc
    clients:
      - client_id: 'mastodon'
        client_name: 'Mastodon'
        client_secret: '$pbkdf2-sha512$310000$c8p78n7pUMln0jzvd4aK4Q$JNRBzwAo0ek5qKn50cFzzvE9RXV88h1wJn5KGiHrD0YKtZaR/nCb2CJPOsKaPK0hjf.9yHxzQGZziziccp6Yng'  # The digest of 'insecure_secret'.
        public: false
        authorization_policy: 'two_factor'
        require_pkce: false
        pkce_challenge_method: ''
        redirect_uris:
          - 'https://mastodon.{{< sitevar name="domain" nojs="example.com" >}}/auth/auth/openid_connect/callback'
        scopes:
          - 'openid'
          - 'profile'
          - 'email'
        response_types:
          - 'code'
        grant_types:
          - 'authorization_code'
        access_token_signed_response_alg: 'none'
        userinfo_signed_response_alg: 'none'
        token_endpoint_auth_method: 'client_secret_basic'

Application

To configure Mastodon there is one method, using Environment Variables.

Environment Variables

To configure Mastodon to utilize Authelia as an OpenID Connect 1.0 Provider, use the following environment variables:

Standard
shell
OIDC_ENABLED=true
OIDC_DISPLAY_NAME=Authelia
OIDC_DISCOVERY=true
OIDC_ISSUER=https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}
OIDC_SCOPE=openid,profile,email
OIDC_UID_FIELD=preferred_username
OIDC_CLIENT_ID=mastodon
OIDC_CLIENT_SECRET=insecure_secret
OIDC_REDIRECT_URI=https://mastodon.{{< sitevar name="domain" nojs="example.com" >}}/auth/auth/openid_connect/callback
OIDC_SECURITY_ASSUME_EMAIL_IS_VERIFIED=true
Docker Compose
yaml
services:
  mastodon:
    environment:
      OIDC_ENABLED: 'true'
      OIDC_DISPLAY_NAME: 'Authelia'
      OIDC_DISCOVERY: 'true'
      OIDC_ISSUER: 'https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}'
      OIDC_SCOPE: 'openid,profile,email'
      OIDC_UID_FIELD: 'preferred_username'
      OIDC_CLIENT_ID: 'mastodon'
      OIDC_CLIENT_SECRET: 'insecure_secret'
      OIDC_REDIRECT_URI: 'https://mastodon.{{< sitevar name="domain" nojs="example.com" >}}/auth/auth/openid_connect/callback'
      OIDC_SECURITY_ASSUME_EMAIL_IS_VERIFIED: 'true'

See Also