OpenID Connect client registration API

IAM, through the MitreID OpenID Connect server implementation, supports the OpenID Connect Dynamic Client Registration API API at the /register endpoint.

Client registration does not require authentication.

Example: registering and deleting a client from the command line

With the following template JSON you can easily register a client in the IAM:

{
  "redirect_uris": [
    "https://another.client.example/oidc"
  ],
  "client_name": "another-example-client",
  "contacts": [
    "test@iam.test"
  ],
  "token_endpoint_auth_method": "client_secret_basic",
  "scope": "address phone openid email profile offline_access",
  "grant_types": [
    "refresh_token",
    "authorization_code"
  ],
  "response_types": [
    "code"
  ]
}

Save the above JSON into a file (after changing the relevant fields, like contact, rediret_uris, etc...). We will use the client-req.json file name for this example. You can then use httpie as follows to generate the client on the IAM

http https://iam.local.io/register < client-req.json > client.json

If the command terminates correctly, you will have the client configuration saved in the client.json file. You can use jq to display in a pretty way its contents:

$ jq . client.json
{
  "client_id": "4b2556d7-65c5-4a15-81c0-7b80c604940e",
  "client_secret": "R4u3v-SUqKX1XTFQbGGr-S5qcOAA8JrLT0xAOHYZl1Up65ChHYNsl-8y6gv7qJLaxVI5Z6UXBmSkwSDZLtAAWw",
  "client_secret_expires_at": 0,
  "client_id_issued_at": 1507223860,
  "registration_access_token": "eyJraWQiOiJyc2ExIiwiYWxnIjoiUlMyNTYifQ.eyJhdWQiOiI0YjI1NTZkNy02NWM1LTRhMTUtODFjMC03YjgwYzYwNDk0MGUiLCJpc3MiOiJodHRwczpcL1wvaWFtLmxvY2FsLmlvXC8iLCJpYXQiOjE1MDcyMjM4NjAsImp0aSI6IjRmNTQ2YmEyLWE3ZWEtNDA4ZC1iYWI1LTdlZGMyNDZlOWJhMiJ9.Iyr7fwKy3OSl3wVjaw5HVVxBFl62A-vDlrKJpJA2W2t1GmPMcz5ZZOhp9PStd2RbMpuu6WwVhhDMN706IOzk03dGD3wPy_ag2MaiJfdT0-AT2nMviuPNylgU4bK0wFs9r9cwxBI0PpJ5pkkQE__z_lfWHylKMf9mLrZp81WUvt8",
  "registration_client_uri": "https://iam.local.io/register/4b2556d7-65c5-4a15-81c0-7b80c604940e",
  "redirect_uris": [
    "https://another.client.example/oidc"
  ],
  "client_name": "another-example-client",
  "contacts": [
    "test@iam.test"
  ],
  "token_endpoint_auth_method": "client_secret_basic",
  "scope": "address phone openid email profile offline_access",
  "grant_types": [
    "refresh_token",
    "authorization_code"
  ],
  "response_types": [
    "code"
  ]
}

and also to extract information from it conveniently from the command line. For example, you can extract the client_id and registration_access_token with the following commands:

$ export CID=$(jq -r .client_id client.json)
$ export RAT=$(jq -r .registration_access_token client.json)

and use them to delete the client:

$ http DELETE https://iam.local.io/register/${CID} Authorization:"Bearer ${RAT}"
HTTP/1.1 204 No Content
Access-Control-Allow-Origin: *
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Connection: keep-alive
Content-Language: en-US
Date: Thu, 05 Oct 2017 17:10:42 GMT
Expires: 0
Pragma: no-cache
Server: nginx/1.13.1
Strict-Transport-Security: max-age=31536000 ; includeSubDomains
X-Application-Context: INDIGO IAM:mysql,google,registration,saml,mysql-test:8080
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-XSS-Protection: 1; mode=block

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