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docs: update and enhance oidc documentation (#2142)
Update and adjust OIDC documentation. This also adds information for users about RP's that have been tested. Co-authored-by: Georg Lauterbach <44545919+aendeavor@users.noreply.github.com> Co-authored-by: Clément Michaud <clement.michaud34@gmail.com> Co-authored-by: Amir Zarrinkafsh <nightah@me.com> Co-authored-by: James Elliott <james-d-elliott@users.noreply.github.com>
This commit is contained in:
Georg Lauterbach
GitHub
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29
docs/community/oidc-integrations.md
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29
docs/community/oidc-integrations.md
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@ -0,0 +1,29 @@
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---
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layout: default
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title: Community-Tested OIDC Integrations
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parent: Community
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nav_order: 4
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---
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# OIDC Integratins
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**Note** This is community-based content for which the core-maintainers cannot guarantee correctness. The parameters may change over time. If a parameter does not work as documented, please submit a PR to update the list.
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## Currently Tested Applications
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- GitLab (>= 13.0.0)
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- Grafana (8.0.5)
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- MinIO (problems with the `state` option which is not supplied by MinIO, see [minio/minio#11398])
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[minio/minio#11398]: https://github.com/minio/minio/issues/11398
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## Known Callback URLs
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If you do not find the application in the list below, you will need to search for yourself - and maybe come back to open a PR to add your application to this list so others won't have to search for them.
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`<DOMAIN>` needs to be substituted with the full URL on which the application runs on. If GitLab, as an example, was reachable under `https://gitlab.example.com`, `<DOMAIN>` would be exactly the same.
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| Application | Version | Callback URL |
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| :---------: | :------------------: | :------------------------------------------------------: |
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| GitLab | `14.0.1` | `<DOMAIN>/users/auth/openid_connect/callback` |
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| MinIO | `RELEASE.2021-06-17` | `<DOMAIN>/minio/login/openid` |
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@ -8,7 +8,7 @@ nav_order: 2
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# OpenID Connect
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**Authelia** currently supports the [OpenID Connect] OP role as a [beta](#beta) feature. The OP role is the
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**Authelia** currently supports the [OpenID Connect] OP role as a [**beta**](#beta) feature. The OP role is the
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[OpenID Connect] Provider role, not the Relaying Party or RP role. This means other applications that implement the
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[OpenID Connect] RP role can use Authelia as an authentication and authorization backend similar to how you may use
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social media or development platforms for login.
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@ -16,10 +16,10 @@ social media or development platforms for login.
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The Relaying Party role is the role which allows an application to use GitHub, Google, or other [OpenID Connect]
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providers for authentication and authorization. We do not intend to support this functionality at this moment in time.
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## Beta
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## Roadmap
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We have decided to implement [OpenID Connect] as a beta feature, it's suggested you only utilize it for testing and
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providing feedback, and should take caution in relying on it in production. [OpenID Connect] and it's related endpoints
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providing feedback, and should take caution in relying on it in production as of now. [OpenID Connect] and it's related endpoints
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are not enabled by default unless you specifically configure the [OpenID Connect] section.
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The beta will be broken up into stages. Each stage will bring additional features. The following table is a *rough* plan
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@ -93,12 +93,14 @@ for which stage will have each feature, and may evolve over time:
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</tbody>
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</table>
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*<sup>1</sup> this stage has not been implemented as of yet*
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¹ _This stage has not been implemented as of yet_.
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*<sup>2</sup> this individual feature has not been implemented as of yet*
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² _This individual feature has not been implemented as of yet_.
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## Configuration
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The following snippet provides a sample-configuration for the OIDC identity provider explaining each field in detail.
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```yaml
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identity_providers:
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oidc:
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@ -138,6 +140,7 @@ identity_providers:
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## Options
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### hmac_secret
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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@ -145,12 +148,13 @@ required: yes
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{: .label .label-config .label-red }
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</div>
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The HMAC secret used to sign the [OpenID Connect] JWT's. The provided string is hashed to a SHA256 byte string for
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the purpose of meeting the required format.
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The HMAC secret used to sign the [OpenID Connect] JWT's. The provided string is hashed to a SHA256
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byte string for the purpose of meeting the required format. You must [generate this option yourself](#generating-a-random-secret).
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Can also be defined using a [secret](../secrets.md) which is the recommended for containerized deployments.
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Should be defined using a [secret](../secrets.md) which is the recommended for containerized deployments.
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### issuer_private_key
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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@ -158,19 +162,19 @@ required: yes
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{: .label .label-config .label-red }
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</div>
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The private key in DER base64 encoded PEM format used to encrypt the [OpenID Connect] JWT's. This can easily be
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generated using the Authelia binary using the following syntax:
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The private key in DER base64 encoded PEM format used to encrypt the [OpenID Connect] JWT's.[¹](../../faq.md#why_only_use_a_private_issue_key_with_oidc)
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You must [generate this option yourself](#generating-a-random-secret). To create this option, use
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`docker run -u "$(id -u):$(id -g)" -v "$(pwd)":/keys authelia/authelia:latest authelia rsa generate --dir /keys`
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to generate both the private and public key in the current directory. You can then paste the
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private key into your configuration.
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```console
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authelia rsa generate --dir /config
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```
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Can also be defined using a [secret](../secrets.md) which is the recommended for containerized deployments.
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Should be defined using a [secret](../secrets.md) which is the recommended for containerized deployments.
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### access_token_lifespan
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<div markdown="1">
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type: duration
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: 1h
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{: .label .label-config .label-blue }
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required: no
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@ -181,9 +185,10 @@ The maximum lifetime of an access token. It's generally recommended keeping this
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For more information read these docs about [token lifespan].
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### authorize_code_lifespan
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<div markdown="1">
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type: duration
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: 1m
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{: .label .label-config .label-blue }
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required: no
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@ -194,9 +199,10 @@ The maximum lifetime of an authorize code. This can be rather short, as the auth
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obtain the other token types. For more information read these docs about [token lifespan].
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### id_token_lifespan
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<div markdown="1">
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type: duration
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: 1h
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{: .label .label-config .label-blue }
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required: no
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@ -206,23 +212,25 @@ required: no
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The maximum lifetime of an ID token. For more information read these docs about [token lifespan].
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### refresh_token_lifespan
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: 30d
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{: .label .label-config .label-blue }
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required: no
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{: .label .label-config .label-green }
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</div>
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The maximum lifetime of a refresh token. This should typically be slightly more the other token lifespans. This is
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because the refresh token can be used to obtain new refresh tokens as well as access tokens or id tokens with an
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The maximum lifetime of a refresh token. The
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refresh token can be used to obtain new refresh tokens as well as access tokens or id tokens with an
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up-to-date expiration. For more information read these docs about [token lifespan].
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### enable_client_debug_messages
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<div markdown="1">
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type: boolean
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: false
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{: .label .label-config .label-blue }
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required: no
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@ -232,9 +240,10 @@ required: no
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Allows additional debug messages to be sent to the clients.
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### minimum_parameter_entropy
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<div markdown="1">
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type: integer
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: 8
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{: .label .label-config .label-blue }
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required: no
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@ -243,15 +252,16 @@ required: no
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This controls the minimum length of the `nonce` and `state` parameters.
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***Security Notice:*** Changing this value is generally discouraged, reducing it from the default can theoretically make
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certain scenarios less secure. It highly encouraged that if your OpenID Connect RP does not send these parameters or
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sends parameters with a lower length than the default that they implement a change rather than changing this value.
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***Security Notice:*** Changing this value is generally discouraged, reducing it from the default can theoretically
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make certain scenarios less secure. It is highly encouraged that if your OpenID Connect RP does not send these parameters
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or sends parameters with a lower length than the default that they implement a change rather than changing this value.
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### clients
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A list of clients to configure. The options for each client are described below.
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#### id
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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@ -259,9 +269,11 @@ required: yes
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{: .label .label-config .label-red }
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</div>
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The Client ID for this client. Must be configured in the application consuming this client.
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The Client ID for this client. It must exactly match the Client ID configured in the application
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consuming this client.
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#### description
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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A friendly description for this client shown in the UI. This defaults to the same as the ID.
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#### secret
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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{: .label .label-config .label-red }
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</div>
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The shared secret between Authelia and the application consuming this client. Currently this is stored in plain text.
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The shared secret between Authelia and the application consuming this client. This secret must
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match the secret configured in the application. Currently this is stored in plain text.
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You must [generate this option yourself](#generating-a-random-secret).
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#### authorization_policy
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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@ -293,9 +309,10 @@ required: no
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{: .label .label-config .label-green }
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</div>
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The authorization policy for this client. Either `one_factor` or `two_factor`.
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The authorization policy for this client: either `one_factor` or `two_factor`.
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#### redirect_uris
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<div markdown="1">
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type: list(string)
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{: .label .label-config .label-purple }
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@ -303,22 +320,27 @@ required: yes
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{: .label .label-config .label-red }
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</div>
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A list of valid callback URL's this client will redirect to. All other callbacks will be considered unsafe. The URL's
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are case-sensitive.
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A list of valid callback URL´s this client will redirect to. All other callbacks will be considered
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unsafe. The URL's are case-sensitive and they differ from application to application - the community has
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provided [a list of URL´s for common applications](../../community/oidc-integrations.md).
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#### scopes
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<div markdown="1">
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type: list(string)
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{: .label .label-config .label-purple }
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{: .label .label-config .label-purple }
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default: openid, groups, profile, email
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{: .label .label-config .label-blue }
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required: no
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{: .label .label-config .label-green }
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</div>
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A list of scopes to allow this client to consume. See [scope definitions](#scope-definitions) for more information.
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A list of scopes to allow this client to consume. See [scope definitions](#scope-definitions) for more
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information. The documentation for the application you want to use with Authelia will most-likely provide
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you with the scopes to allow.
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#### grant_types
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<div markdown="1">
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type: list(string)
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{: .label .label-config .label-purple }
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@ -328,11 +350,12 @@ required: no
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{: .label .label-config .label-green }
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</div>
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A list of grant types this client can return. It is recommended that this isn't configured at this time unless you know
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what you're doing. Valid options are: `implicit`, `refresh_token`, `authorization_code`, `password`,
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A list of grant types this client can return. _It is recommended that this isn't configured at this time unless you
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know what you're doing_. Valid options are: `implicit`, `refresh_token`, `authorization_code`, `password`,
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`client_credentials`.
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#### response_types
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<div markdown="1">
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type: list(string)
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{: .label .label-config .label-purple }
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@ -342,11 +365,12 @@ required: no
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{: .label .label-config .label-green }
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</div>
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A list of response types this client can return. It is recommended that this isn't configured at this time unless you
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know what you're doing. Valid options are: `code`, `code id_token`, `id_token`, `token id_token`, `token`,
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A list of response types this client can return. _It is recommended that this isn't configured at this time unless you
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know what you're doing_. Valid options are: `code`, `code id_token`, `id_token`, `token id_token`, `token`,
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`token id_token code`.
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#### response_modes
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<div markdown="1">
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type: list(string)
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{: .label .label-config .label-purple }
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@ -360,6 +384,7 @@ A list of response modes this client can return. It is recommended that this isn
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know what you're doing. Potential values are `form_post`, `query`, and `fragment`.
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#### userinfo_signing_algorithm
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<div markdown="1">
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type: string
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{: .label .label-config .label-purple }
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@ -371,6 +396,18 @@ required: no
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The algorithm used to sign the userinfo endpoint responses. This can either be `none` or `RS256`.
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## Generating a random secret
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If you must provide a random secret in configuration, you can generate a random string of sufficient length. The command
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```sh
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LENGTH=64
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tr -cd '[:alnum:]' < /dev/urandom | fold -w "${LENGTH}" | head -n 1 | tr -d '\n' ; echo
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```
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prints such a string with a length in characters of `${LENGTH}` on `stdout`. The string will only contain alphanumeric
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characters. For Kubernetes, see [this section too](../secrets.md#Kubernetes).
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## Scope Definitions
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### openid
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@ -435,6 +472,7 @@ Authelia via https://auth.example.com, the discovery URL is https://auth.example
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|Revoke |api/oidc/revoke |
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|Userinfo |api/oidc/userinfo |
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[//]: # (Links)
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[OpenID Connect]: https://openid.net/connect/
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[token lifespan]: https://docs.apigee.com/api-platform/antipatterns/oauth-long-expiration
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[token lifespan]: https://docs.apigee.com/api-platform/antipatterns/oauth-long-expiration
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@ -162,11 +162,46 @@ services:
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- TZ=Australia/Melbourne
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```
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## Kubernetes
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Secrets can be mounted as files using the following sample manifests.
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To create a secret, the following manifest can be used
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```yaml
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---
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kind: Secret
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apiVersion: v1
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metadata:
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name: a-nice-name
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namespace: your-authelia-namespace
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data:
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duo_key: >-
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UXE1WmM4S0pldnl6eHRwQ3psTGpDbFplOXFueUVyWEZhYjE0Z01IRHN0RT0K
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jwt_secret: >-
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anotherBase64EncodedSecret
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...
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```
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where `UXE1WmM4S0pldnl6eHRwQ3psTGpDbFplOXFueUVyWEZhYjE0Z01IRHN0RT0K` is Base64 encoded for
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`Qq5Zc8KJevyzxtpCzlLjClZe9qnyErXFab14gMHDstE`, the actual content of the secret. You can generate these contents with
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```sh
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LENGTH=64
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tr -cd '[:alnum:]' < /dev/urandom \
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| fold -w "${LENGTH}" \
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| head -n 1 \
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| tr -d '\n' \
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| tee actualSecretContent.txt \
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| base64 --wrap 0 \
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; echo
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```
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which writes the secret's content to the `actualSecretContent.txt` file and print the Base64 encoded version on `stdout`. `${LENGTH}` is the length in characters of the secret content generated by this pipe. If you don't want the contents to be written to `actualSecretContent.txt`, just delete the line with the `tee` command.
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### Kustomization
|
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@ -9,4 +9,9 @@ nav_order: 8
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## How can the backend be aware of the authenticated users?
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This question is solved
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[here](https://www.authelia.com/docs/deployment/supported-proxies/#how-can-the-backend-be-aware-of-the-authenticated-users).
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[here](https://www.authelia.com/docs/deployment/supported-proxies/#how-can-the-backend-be-aware-of-the-authenticated-users).
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## Why only use a private issuer key and no public key with OIDC?
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The reason for using only the private key here is that one is able to calculate the public key easily from the private
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key (`openssl rsa -in rsa.key -pubout > rsa.pem`).
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