authelia/docs/content/en/integration/openid-connect/synapse/index.md
2022-07-01 13:07:02 +10:00

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