B4X

Okta: Refresh Access Token with the Auth Code Flow

See more Okta OAuth/OIDC Examples

Demonstrates how to refresh a token that was obtained using the authorization code flow. B4X

Dim success As Boolean = False

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

'  See Get Okta Access Token using Authorization Code Flow with PKCE 
'  for sample code showing how to obtain an Okta access token using the authorization code flow for native apps (with PKCE).

Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
success = jsonToken.LoadFile("qa_data/tokens/okta.json")
If success <> True Then
    Log("Failed to load myob.json")
    Return
End If


Dim oauth2 As ChilkatOAuth2
oauth2.Initialize("oauth2")

oauth2.TokenEndpoint = "https://{yourOktaDomain}/oauth2/default/v1/token"

'  Replace these with actual values.
oauth2.ClientId = "OKTA_CLIENT_ID"
oauth2.ClientSecret = "OKTA_CLIENT_SECRET"

'  Get the "refresh_token"
oauth2.RefreshToken = jsonToken.StringOf("refresh_token")

'  Send the HTTP POST to refresh the access token..
oauth2.VerboseLogging = True
success = oauth2.RefreshAccessToken
If success <> True Then
    Log(oauth2.LastErrorText)
    Return
End If


'  Load the access token response into the json object 
jsonToken.Load(oauth2.AccessTokenResponse)

'  Save the new JSON access token response to a file.
'  The access + refresh tokens contained in this JSON will be needed for the next refresh.
Dim sbJson As ChilkatStringBuilder
sbJson.Initialize
jsonToken.EmitCompact = False
jsonToken.EmitSb(sbJson)
sbJson.WriteFile("qa_data/tokens/okta.json", "utf-8", False)

Log("OAuth2 authorization granted!")
Log("New Access Token = " & oauth2.AccessToken)