AutoIt

Yahoo Mail OAuth2 Access Token for Desktop App

See more Yahoo Mail Examples

Demonstrates how to get a Yahoo Email OAuth2 access token from a desktop application or script. AutoIt

Local $bSuccess = False

; First, you must define your app in Yahoo Developer (https://developer.yahoo.com/apps/) like this:

; 

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

$oOauth2 = ObjCreate("Chilkat.OAuth2")

; Your applicaton must use your own public web server as an intermediate
; to receive and forward the redirect to localhost.
; See Using Your Web Server as an Intermediary for OAuth2 Redirect to localhost
$oOauth2.AppCallbackUrl = "https://yourwebserver.com/oauth_redirect"
$oOauth2.ListenPort = 3017

$oOauth2.AuthorizationEndpoint = "https://api.login.yahoo.com/oauth2/request_auth"
$oOauth2.TokenEndpoint = "https://api.login.yahoo.com/oauth2/get_token"

; Replace these with actual values.
$oOauth2.ClientId = "CLIENT_ID"
$oOauth2.ClientSecret = "CLIENT_SECRET"

; Do not send the "scope" query param for Yahoo OAuth2.
$oOauth2.UncommonOptions = "NO_OAUTH2_SCOPE"

; Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
Local $sUrl = $oOauth2.StartAuth()
If ($oOauth2.LastMethodSuccess = False) Then
    ConsoleWrite($oOauth2.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("url = " & $sUrl & @CRLF)

; Launch the default browser on the system and navigate to the url.
; The LaunchBrowser method was added in Chilkat v10.1.2.
$bSuccess = $oOauth2.LaunchBrowser($sUrl)
If ($bSuccess = False) Then
    ConsoleWrite($oOauth2.LastErrorText & @CRLF)
    Exit
EndIf

; Wait for the user to approve or deny authorization in the browser.
Local $iNumMsWaited = 0
While ($iNumMsWaited < 90000) And ($oOauth2.AuthFlowState < 3)
    $oOauth2.SleepMs 100
    $iNumMsWaited = $iNumMsWaited + 100
Wend

; If the browser does not respond within the specified time, AuthFlowState will be:
; 
; 1: Waiting for Redirect - The OAuth2 background thread is waiting for the browser's redirect request.
; 2: Waiting for Final Response - The thread is awaiting the final access token response.
; In either case, cancel the background task initiated by StartAuth.

If ($oOauth2.AuthFlowState < 3) Then
    $oOauth2.Cancel()
    ConsoleWrite("No response from the browser!" & @CRLF)
    Exit
EndIf

; Check AuthFlowState to determine if authorization was granted, denied, or failed:
; 
; 3: Success - OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
; 4: Access Denied - OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
; 5: Failure - OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

If ($oOauth2.AuthFlowState = 5) Then
    ConsoleWrite("OAuth2 failed to complete." & @CRLF)
    ConsoleWrite($oOauth2.FailureInfo & @CRLF)
    Exit
EndIf

If ($oOauth2.AuthFlowState = 4) Then
    ConsoleWrite("OAuth2 authorization was denied." & @CRLF)
    ConsoleWrite($oOauth2.AccessTokenResponse & @CRLF)
    Exit
EndIf

If ($oOauth2.AuthFlowState <> 3) Then
    ConsoleWrite("Unexpected AuthFlowState:" & $oOauth2.AuthFlowState & @CRLF)
    Exit
EndIf

; Save the full JSON access token response to a file.
$oSbJson = ObjCreate("Chilkat.StringBuilder")
$oSbJson.Append($oOauth2.AccessTokenResponse)
$oSbJson.WriteFile("qa_data/tokens/yahooMail.json","utf-8",False)

; The saved JSON response looks like this:

; {
;   "access_token": "kCVQdnOdul...LHucA--",
;   "refresh_token": "AIenVXETSo0jklFBVkPS8vVm8E.Ej9ToRG.xDbDYmZ65WIs5t6CZhDrD",
;   "expires_in": 3600,
;   "token_type": "bearer",
;   "xoauth_yahoo_guid": "HGDQCVF5JB4YDOWHITQJFBHCWA"
; }

ConsoleWrite("OAuth2 authorization granted!" & @CRLF)
ConsoleWrite("Access Token: " & $oOauth2.AccessToken & @CRLF)