2023-02-22 16:23:38 +00:00
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---
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title: Mastodon
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---
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<span class="badge badge--secondary">Support level: Community</span>
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## What is Mastodon
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2023-07-31 10:16:58 +00:00
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> Mastodon is free and open-source software for running self-hosted social networking services. It has microblogging features similar to Twitter
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>
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> -- https://joinmastodon.org/
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2023-02-22 16:23:38 +00:00
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## Preparation
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The following placeholders will be used:
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- `mastodon.company` is the FQDN of the mastodon install.
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- `authentik.company` is the FQDN of the authentik install.
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## authentik Configuration
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### Step 1 - OAuth2/OpenID Provider
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Create a OAuth2/OpenID Provider (under _Applications/Providers_) with these settings:
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- Name : mastodon
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- Redirect URI: `https://mastodon.company/auth/auth/openid_connect/callback`
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### Step 3 - Application
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Create an application (under _Resources/Applications_) with these settings:
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- Name: Mastodon
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- Slug: mastodon
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- Provider: mastodon
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## Mastodon Setup
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Configure Mastodon `OIDC_` settings by editing the `.env.production` and add the following:
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```
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OIDC_ENABLED=true
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OIDC_DISPLAY_NAME=authentik
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OIDC_DISCOVERY=true
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OIDC_ISSUER=< OpenID Configuration Issuer>
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OIDC_AUTH_ENDPOINT=https://authentik.company/application/o/authorize/
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OIDC_SCOPE=openid,profile,email
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OIDC_UID_FIELD=sub
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OIDC_CLIENT_ID=<Client ID>
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OIDC_CLIENT_SECRET=<Client Secret>
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OIDC_REDIRECT_URI=https://mastodon.company/auth/auth/openid_connect/callback
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OIDC_SECURITY_ASSUME_EMAIL_IS_VERIFIED=true
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```
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Restart mastodon-web.service
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## Additional Resources
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- https://github.com/mastodon/mastodon/pull/16221
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- https://forum.fedimins.net/t/sso-fuer-verschiedene-dienste/42
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