Perl Requires Chilkat v10.1.2+

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. Perl

use chilkat();

$success = 0;

#  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.

$oauth2 = chilkat::CkOAuth2->new();

#  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
$oauth2->put_AppCallbackUrl("https://yourwebserver.com/oauth_redirect");
$oauth2->put_ListenPort(3017);

$oauth2->put_AuthorizationEndpoint("https://api.login.yahoo.com/oauth2/request_auth");
$oauth2->put_TokenEndpoint("https://api.login.yahoo.com/oauth2/get_token");

#  Replace these with actual values.
$oauth2->put_ClientId("CLIENT_ID");
$oauth2->put_ClientSecret("CLIENT_SECRET");

#  Do not send the "scope" query param for Yahoo OAuth2.
$oauth2->put_UncommonOptions("NO_OAUTH2_SCOPE");

#  Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
$url = $oauth2->startAuth();
if ($oauth2->get_LastMethodSuccess() == 0) {
    print $oauth2->lastErrorText() . "\r\n";
    exit;
}

print "url = " . $url . "\r\n";

#  Launch the default browser on the system and navigate to the url.
#  The LaunchBrowser method was added in Chilkat v10.1.2.
$success = $oauth2->LaunchBrowser($url);
if ($success == 0) {
    print $oauth2->lastErrorText() . "\r\n";
    exit;
}

#  Wait for the user to approve or deny authorization in the browser.
$numMsWaited = 0;
while (($numMsWaited < 90000) and ($oauth2->get_AuthFlowState() < 3)) {
    $oauth2->SleepMs(100);
    $numMsWaited = $numMsWaited + 100;
}

#  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 ($oauth2->get_AuthFlowState() < 3) {
    $oauth2->Cancel();
    print "No response from the browser!" . "\r\n";
    exit;
}

#  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 ($oauth2->get_AuthFlowState() == 5) {
    print "OAuth2 failed to complete." . "\r\n";
    print $oauth2->failureInfo() . "\r\n";
    exit;
}

if ($oauth2->get_AuthFlowState() == 4) {
    print "OAuth2 authorization was denied." . "\r\n";
    print $oauth2->accessTokenResponse() . "\r\n";
    exit;
}

if ($oauth2->get_AuthFlowState() != 3) {
    print "Unexpected AuthFlowState:" . $oauth2->get_AuthFlowState() . "\r\n";
    exit;
}

#  Save the full JSON access token response to a file.
$sbJson = chilkat::CkStringBuilder->new();
$sbJson->Append($oauth2->accessTokenResponse());
$sbJson->WriteFile("qa_data/tokens/yahooMail.json","utf-8",0);

#  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"
#  }

print "OAuth2 authorization granted!" . "\r\n";
print "Access Token: " . $oauth2->accessToken() . "\r\n";