doc-exports/docs/iam/api-ref/en-us_topic_0057845629.html

Obtaining an Unscoped Token (SP Initiated)

Function

This API is used to obtain an unscoped token in SP-initiated federated identity authentication mode.

An unscoped token cannot be used for authentication. If a federated user needs to use a token for authentication, obtain the scoped token based on section Obtaining a Scoped Token.

URI

• URI format

  GET /v3/OS-FEDERATION/identity_providers/{idp_id}/protocols/{protocol_id}/auth

• URI parameters

  Parameter	Mandatory	Type	Description
  idp_id	Yes	String	ID of an identity provider.
  protocol _id	Yes	String	ID of a protocol.

Request Parameters

• Parameters in the request header

  Parameter	Mandatory	Type	Description
  Accept	No	String	This parameter is not required when a token is obtained in the WebSSO mode. When you obtain a token using the Enhanced Client Proxy (ECP), the value of this parameter is as follows: application/vnd.paos+xml
  PAOS	No	String	This parameter is not required when a token is obtained in the WebSSO mode. When you obtain a token using the ECP, the value of this parameter is as follows: urn:oasis:names:tc:SAML:2.0:profiles:SSO:ecp

  

  1. This API can be used to obtain tokens through WebSSO and ECP. Different request headers are used to determine the method of obtaining a token. For details, see the parameter description of Request Header.
  2. You are not advised to obtain a token by directly calling this API. You are advised to obtain a token using OpenStackClient.
• Example request

  GET /v3/OS-FEDERATION/identity_providers/idptest/protocols/saml/auth

Response Parameters

• Parameters in the response body

  Response Item	Parameter	Type	Description
  X-Subject-Token	header	String	Signed unscoped token.
  token	body	Object	Information of the unscoped token obtained in federated identity authentication mode, including methods and user information.

• Example response

  {
      "token": {
          "issued_at": "2017-05-23T06:54:51.763000Z",
          "expires_at": "2017-05-24T06:54:51.763000Z",
          "methods": [
              "mapped"
          ],
          "user": {
              "domain": {
                  "id": "e31ac82d778b4d128cb6fed37fd72cdb",
                  "name": "exampledomain"
              },
              "id": "RMQTgtjjSNGDcKy7oUmI3AZg7GgsWG0Z",
              "name": "exampleuser",
              "OS-FEDERATION": {
                  "identity_provider": {
                      "id": "exampleuser"
                  },
                  "protocol": {
                      "id": "saml"
                  },
                  "groups": [
                      {
                          "id": "b40189e26ea44f959877621b4b298db5"
                      }
                  ]
              }
          }
      }
  }

Status Code

Status Code	Description
200	The request is successful. You need to further obtain user information.
201	The request is successful, and a token is returned.
302	The system switches to the identity provider authentication page if the request does not carry user information of the identity provider.
400	The server failed to process the request.
401	Authentication failed.
403	Access denied.
405	The method specified in the request is not allowed for the requested resource.
413	The request entity is too large.
500	Internal server error.
503	Service unavailable.

Parent topic: Token