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immich/docs/docs/features/oauth.md
Jason Rasmussen 7dc12dea1e feat(web,server): link/unlink oauth account (#1154)
* feat(web,server): link/unlink oauth account

* chore: linting

* fix: broken oauth callback

* fix: user core bugs

* fix: tests

* fix: use user response

* chore: update docs

* feat: prevent the same oauth account from being linked twice

* chore: mock logger
2022-12-26 09:35:52 -06:00

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# OAuth Authentication
This page contains details about using OAuth in Immich.
## Overview
Immich supports 3rd party authentication via [OpenID Connect][oidc] (OIDC), an identity layer built on top of OAuth2. OIDC is supported by most identity providers, including:
- [Authentik](https://goauthentik.io/integrations/sources/oauth/#openid-connect)
- [Authelia](https://www.authelia.com/configuration/identity-providers/open-id-connect/)
- [Okta](https://www.okta.com/openid-connect/)
- [Google](https://developers.google.com/identity/openid-connect/openid-connect)
## Prerequisites
Before enabling OAuth in Immich, a new client application needs to be configured in the 3rd-party authentication server. While the specifics of this setup vary from provider to provider, the general approach should be the same.
1. Create a new (Client) Application
1. The **Provider** type should be `OpenID Connect` or `OAuth2`
2. The **Client type** should be `Confidential`
3. The **Application** type should be `Web`
4. The **Grant** type should be `Authorization Code`
2. Configure Redirect URIs/Origins
The **Sign-in redirect URIs** should include:
- `app.immich:/` - for logging in with OAuth from the [Mobile App](/docs/features/mobile-app.mdx)
- `http://DOMAIN:PORT/auth/login` - for logging in with OAuth from the Web Client
- `http://DOMAIN:PORT/user-settings` - for manually linking OAuth in the Web Client
:::info Redirect URIs
Redirect URIs should contain all the domains you will be using to access Immich. Some examples include:
Mobile
- `app.immich:/` (You **MUST** include this for iOS and Android mobile apps to work properly)
Localhost
- `http://localhost:2283/auth/login`
- `http://localhost:2283/user-settings`
Local IP
- `http://192.168.0.200:2283/auth/login`
- `http://192.168.0.200:2283/user-settings`
Hostname
- `https://immich.example.com/auth/login`)
- `https://immich.example.com/user-settings`)
:::
## Enable OAuth
Once you have a new OAuth client application configured, Immich can be configured using the Administration Settings page, available on the web (Administration -> Settings).
| Setting | Type | Default | Description |
| ------------- | ------- | -------------------- | ------------------------------------------------------------------------- |
| Enabled | boolean | false | Enable/disable OAuth |
| Issuer URL | URL | (required) | Required. Self-discovery URL for client (from previous step) |
| Client ID | string | (required) | Required. Client ID (from previous step) |
| Client secret | string | (required) | Required. Client Secret (previous step) |
| Scope | string | openid email profile | Full list of scopes to send with the request (space delimited) |
| Button text | string | Login with OAuth | Text for the OAuth button on the web |
| Auto register | boolean | true | When true, will automatically register a user the first time they sign in |
:::info
The Issuer URL should look something like the following, and return a valid json document.
- `https://accounts.google.com/.well-known/openid-configuration`
- `http://localhost:9000/application/o/immich/.well-known/openid-configuration`
The `.well-known/openid-configuration` part of the url is optional and will be automatically added during discovery.
:::
Here's an example of OAuth configured for Authentik:
![OAuth Settings](./img/oauth-settings.png)
[oidc]: https://openid.net/connect/