IG 2023.11

ClientSecretBasicAuthenticationFilter

Supports client authentication with the method client_secret_basic. Clients that have received a client_secret value from the Authorization Server authenticate through the HTTP basic access authentication scheme, as in the following example:

POST /oauth2/token HTTP/1.1
Host: as.example.com
Authorization: Basic ....
Content-Type: application/x-www-form-urlencoded

grant_type=authorization_code&
code=...

Use this filter with an endpoint Handler that requires client_secret_basic authentication. For example, endpointHandler in the OAuth2TokenExchangeFilter or ClientCredentialsOAuth2ClientFilter.

Usage

{
  "name": string,
  "type": "ClientSecretBasicAuthenticationFilter",
  "config": {
    "clientId": configuration expression<string>,
    "clientSecretId": configuration expression<secret-id>,
    "secretsProvider": SecretsProvider reference
  }
}

Configuration

"clientId": configuration expression<string>, required

The OAuth 2.0 client ID to use for authentication.

"clientSecretId": configuration expression<secret-id>, required

The OAuth 2.0 client secret to use for authentication.

This secret ID must point to a GenericSecret.

"secretsProvider": SecretsProvider reference, required

The SecretsProvider to use to resolve queried secrets, such as passwords and cryptographic keys. Provide either the name of a SecretsProvider object defined in the heap or specify a SecretsProvider object inline.

Example

{
  "name": "ExchangeHandler",
  "type": "Chain",
  "config": {
    "handler": "ForgeRockClientHandler",
    "filters": [
      {
        "type": "ClientSecretBasicAuthenticationFilter",
        "config": {
          "clientId": "serviceConfidentialClient",
          "clientSecretId": "client.secret.id",
          "secretsProvider" : "SystemAndEnvSecretStore-1"
        }
      }
    ]
  }
}
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