2022-06-15 07:51:47 +00:00
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---
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title: "Synapse"
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description: "Integrating Synapse with Authelia via OpenID Connect."
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lead: ""
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2022-06-28 05:27:14 +00:00
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date: 2022-06-15T17:51:47+10:00
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2022-06-15 07:51:47 +00:00
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draft: false
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images: []
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menu:
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integration:
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parent: "openid-connect"
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weight: 620
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toc: true
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community: true
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---
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## Tested Versions
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* [Authelia]
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* [v4.35.6](https://github.com/authelia/authelia/releases/tag/v4.35.6)
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* [Synapse]
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* [v1.60.0](https://github.com/matrix-org/synapse/releases/tag/v1.60.0)
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## Before You Begin
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You are required to utilize a unique client id and a unique and random client secret for all [OpenID Connect] relying
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parties. You should not use the client secret in this example, you should randomly generate one yourself. You may also
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choose to utilize a different client id, it's completely up to you.
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This example makes the following assumptions:
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* __Application Root URL:__ `https://matrix.example.com/`
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* __Authelia Root URL:__ `https://auth.example.com`
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* __Client ID:__ `synapse`
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* __Client Secret:__ `synapse_client_secret`
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## Configuration
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### Application
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To configure [Synapse] to utilize Authelia as an [OpenID Connect] Provider:
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1. Edit your [Synapse] `homeserver.yaml` configuration file and add configure the following:
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```yaml
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oidc_providers:
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- idp_id: synapse
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idp_name: "Authelia"
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issuer: "https://auth.example.com"
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client_id: "synapse"
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client_secret: "synapse_client_secret"
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allow_existing_users: true
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scopes: ["openid", "profile"]
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user_mapping_provider:
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config:
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localpart_template: "{{ openid.preferred_username }}"
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```
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### Authelia
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The following YAML configuration is an example __Authelia__
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[client configuration](../../../configuration/identity-providers/open-id-connect.md#clients) for use with [Synapse]
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which will operate with the above example:
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```yaml
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- id: synapse
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secret: synapse_client_secret
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public: false
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authorization_policy: two_factor
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scopes:
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- openid
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- profile
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redirect_uris:
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- https://synapse.example.com/_synapse/client/oidc/callback
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userinfo_signing_algorithm: none
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```
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## See Also
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* [Synapse OpenID Connect Authentication Documentation](https://matrix-org.github.io/synapse/latest/openid.html)
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[Authelia]: https://www.authelia.com
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[Synapse]: https://github.com/matrix-org/synapse
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[OpenID Connect]: ../../openid-connect/introduction.md
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