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VB.NET / ForgeRock Identity Cloud Collection / Step 6: Get Access Token as Postman Admin User

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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

Dim req As New Chilkat.HttpRequest
req.AddParam("grant_type","password")

Dim jsonParam2 As New Chilkat.JsonObject
req.AddParam("username",jsonParam2.Emit())

Dim jsonParam3 As New Chilkat.JsonObject
req.AddParam("password",jsonParam3.Emit())
req.AddParam("scope","fr:idm:*")

Dim jsonParam5 As New Chilkat.JsonObject
req.AddParam("client_id",jsonParam5.Emit())

Dim jsonParam6 As New Chilkat.JsonObject
req.AddParam("client_secret",jsonParam6.Emit())


Dim resp As Chilkat.HttpResponse = http.PostUrlEncoded("https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/access_token?auth_chain=PasswordGrant",req)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "access_token": "eyJ0eXAiJ9.eyJzdWIiOiJkZPXXcM",
'   "refresh_token": "eyJ0eXAiOiJKV1QiLC.eyl0VHJXpdhFiWDw",
'   "scope": "write",
'   "token_type": "Bearer",
'   "expires_in": 3599
' }

' Sample code for parsing the JSON response...
' Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code




Dim access_token As String = jResp.StringOf("access_token")
Dim refresh_token As String = jResp.StringOf("refresh_token")
Dim scope As String = jResp.StringOf("scope")
Dim token_type As String = jResp.StringOf("token_type")
Dim expires_in As Integer = jResp.IntOf("expires_in")

Curl Command

curl -X POST
	--data-urlencode 'grant_type=password'
	--data-urlencode 'username={{postmanAdminUsername}}'
	--data-urlencode 'password={{postmanAdminPassword}}'
	--data-urlencode 'scope=fr:idm:*'
	--data-urlencode 'client_id={{postmanAdminClientId}}'
	--data-urlencode 'client_secret={{postmanClientSecret}}'
https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/access_token?auth_chain=PasswordGrant

Postman Collection Item JSON

{
  "name": "Step 6: Get Access Token as Postman Admin User",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "var jsonData = JSON.parse(responseBody);",
          "",
          "if(jsonData.access_token && jsonData.access_token != \"\")",
          "{",
          "    pm.globals.set(\"adminAccessToken\", jsonData.access_token);",
          "}",
          "",
          "if(jsonData.refresh_token && jsonData.refresh_token != \"\")",
          "{",
          "    pm.globals.set(\"adminRefreshToken\", jsonData.refresh_token);",
          "}",
          "",
          "// Tests",
          "",
          "pm.test(\"Status code is 200\", () => {",
          "  pm.expect(pm.response.code).to.eql(200);",
          "});",
          "",
          "pm.test(\"Response contains access_token\", function () {",
          "    pm.expect(jsonData.access_token).to.be.a(\"string\");",
          "});",
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "grant_type",
          "value": "password",
          "description": "The grant type required for the Resource Owner Password Credentials Grant.",
          "type": "text"
        },
        {
          "key": "username",
          "value": "{{postmanAdminUsername}}",
          "description": "Username for a ForgeRock demo user.",
          "type": "text"
        },
        {
          "key": "password",
          "value": "{{postmanAdminPassword}}",
          "description": "Password for a ForgeRock demo user.",
          "type": "text"
        },
        {
          "key": "scope",
          "value": "fr:idm:*",
          "description": "Strings that are presented to the user for approval and included in tokens so that the protected resource may make decisions about what to give access to.",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{postmanAdminClientId}}",
          "description": "The ID of the Confidential OAuth Client.",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{postmanClientSecret}}",
          "description": "The secret of the Confidential OAuth Client. See the ForgeRock documentation for stronger methods of client authentication.",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{amUrl}}/oauth2{{realm}}/access_token?auth_chain=PasswordGrant",
      "host": [
        "{{amUrl}}"
      ],
      "path": [
        "oauth2{{realm}}",
        "access_token"
      ],
      "query": [
        {
          "key": "auth_chain",
          "value": "PasswordGrant"
        }
      ]
    },
    "description": "Obtain an access token as the Postman Administrative User. Create this user in the `/alpha` realm, and ensure it has the `openidm-admin` authorization role."
  },
  "response": [
    {
      "name": "Example",
      "originalRequest": {
        "method": "POST",
        "header": [
        ],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "grant_type",
              "value": "password",
              "description": "The grant type required for the Resource Owner Password Credentials Grant.",
              "type": "text"
            },
            {
              "key": "username",
              "value": "{{postmanDemoUsername}}",
              "description": "Username for a ForgeRock demo user.",
              "type": "text"
            },
            {
              "key": "password",
              "value": "{{postmanDemoPassword}}",
              "description": "Password for a ForgeRock demo user.",
              "type": "text"
            },
            {
              "key": "scope",
              "value": "write",
              "description": "Strings that are presented to the user for approval and included in tokens so that the protected resource may make decisions about what to give access to.",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "{{postmanConfidentialClientId}}",
              "description": "The ID of the Confidential OAuth Client.",
              "type": "text"
            },
            {
              "key": "client_secret",
              "value": "{{postmanClientSecret}}",
              "description": "The secret of the Confidential OAuth Client. See the ForgeRock documentation for stronger methods of client authentication.",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "{{amUrl}}/oauth2{{realm}}/access_token",
          "host": [
            "{{amUrl}}"
          ],
          "path": [
            "oauth2{{realm}}",
            "access_token"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "Cache-Control",
          "value": "no-store"
        },
        {
          "key": "Pragma",
          "value": "no-cache"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Content-Length",
          "value": "1570"
        },
        {
          "key": "Date",
          "value": "Thu, 13 Aug 2020 12:16:52 GMT"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"access_token\": \"eyJ0eXAiJ9.eyJzdWIiOiJkZPXXcM\",\n    \"refresh_token\": \"eyJ0eXAiOiJKV1QiLC.eyl0VHJXpdhFiWDw\",\n    \"scope\": \"write\",\n    \"token_type\": \"Bearer\",\n    \"expires_in\": 3599\n}"
    }
  ]
}