(Visual Basic 6.0) Okta: Use the Resource Owner Password Flow

Demonstrates how to get an access token using the Resource Owner Password Flow.

For more information, see https://developer.okta.com/docs/guides/implement-password/use-flow/

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim http As New ChilkatHttp
Dim success As Long

' Implements the following CURL command:

' curl --request POST \
'   --url https://{yourOktaDomain}/oauth2/default/v1/token \
'   --header 'accept: application/json' \
'   --user "client_id:client_secret" \
'   --header 'content-type: application/x-www-form-urlencoded' \
'   --data 'grant_type=password&username=myUserEmail&password=myPassword&scope=openid'

http.Login = "client_id"
http.Password = "client_secret"

Dim req As New ChilkatHttpRequest
req.HttpVerb = "POST"
req.Path = "/oauth2/default/v1/token"
req.ContentType = "application/x-www-form-urlencoded"
req.AddParam "grant_type","password"
req.AddParam "username","myUserEmail"
req.AddParam "password","myPassword"
req.AddParam "scope","openid"

req.AddHeader "accept","application/json"

Dim resp As ChilkatHttpResponse
Set resp = http.PostUrlEncoded("https://{yourOktaDomain}/oauth2/default/v1/token",req)
If (http.LastMethodSuccess = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim sbResponseBody As New ChilkatStringBuilder
success = resp.GetBodySb(sbResponseBody)
Dim jResp As New ChilkatJsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = 0

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

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

    Exit Sub
End If

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

' {
'   "access_token": "eyJraWQiOi ... jmiHD7wY9_gQ",
'   "token_type": "Bearer",
'   "expires_in": 3600,
'   "scope": "openid",
'   "id_token": "eyJraWQiOiJ ... W7KkWiPJnUSMoGw"
' }

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

Dim access_token As String
access_token = jResp.StringOf("access_token")
Dim token_type As String
token_type = jResp.StringOf("token_type")
Dim expires_in As Long
expires_in = jResp.IntOf("expires_in")
Dim scope As String
scope = jResp.StringOf("scope")
Dim id_token As String
id_token = jResp.StringOf("id_token")