Code cleanup, see #675

examples/gmail_xoauth.phps

@@ -1,23 +1,17 @@
 <?php
-
 /**
  * This example shows settings to use when sending via Google's Gmail servers.
  */
 
 namespace PHPMailer\PHPMailer;
 
-// Give alias to the League Provider Classes that may be used
+// Alias the League OAuth2 provider class
 use League\OAuth2\Client\Provider\Google as Google;
-use Stevenmaguire\OAuth2\Client\Provider\Microsoft as Microsoft;
-use Hayageek\OAuth2\Client\Provider\Yahoo as Yahoo;
-
 
 //SMTP needs accurate times, and the PHP time zone MUST be set
 //This should be done in your php.ini, but this is how to do it if you don't have access to that
 date_default_timezone_set('Etc/UTC');
 
-require '../vendor/autoload.php';
-
 //Load dependencies from composer
 //If this causes an error, run 'composer install'
 require '../vendor/autoload.php';
@@ -32,7 +26,7 @@ $mail->isSMTP();
 // 0 = off (for production use)
 // 1 = client messages
 // 2 = client and server messages
-$mail->SMTPDebug = 0;
+$mail->SMTPDebug = 2;
 
 //Ask for HTML-friendly debug output
 $mail->Debugoutput = 'html';
@@ -62,22 +56,20 @@ $clientSecret = 'RANDOMCHARS-----lGyjPcRtvP';
 // eg: http://localhost/phpmail/get_oauth_token.php
 $refreshToken = 'RANDOMCHARS-----DWxgOvPT003r-yFUV49TQYag7_Aod7y0';
 
-//Change the Class Name depending on the Provider Used
-if (!isset($provider)) {
-    $provider = new Google([
-        'clientId' => $clientId,
-        'clientSecret' => $clientSecret
-    ]);
-}
-
-$mail->setOAuth(new OAuth(
-        [
-    'provider' => $provider,
+$provider = new Google([
     'clientId' => $clientId,
-    'clientSecret' => $clientSecret,
-    'refreshToken' => $refreshToken,
-    'userName' => $email]
-));
+    'clientSecret' => $clientSecret
+]);
+
+$mail->setOAuth(
+    new OAuth([
+        'provider' => $provider,
+        'clientId' => $clientId,
+        'clientSecret' => $clientSecret,
+        'refreshToken' => $refreshToken,
+        'userName' => $email
+    ])
+);
 
 //Set who the message is to be sent from
 //For gmail, this generally needs to be the same as the user you logged in as
@@ -99,14 +91,6 @@ $mail->AltBody = 'This is a plain-text message body';
 //Attach an image file
 $mail->addAttachment('images/phpmailer_mini.png');
 
-$mail->SMTPOptions = array(
-    'ssl' => array(
-        'verify_peer' => false,
-        'verify_peer_name' => false,
-        'allow_self_signed' => true
-    )
-);
-
 //send the message, check for errors
 if (!$mail->send()) {
     echo "Mailer Error: " . $mail->ErrorInfo;

get_oauth_token.php

@@ -31,6 +31,7 @@
 namespace PHPMailer\PHPMailer;
 
 // Aliases for League Provider Classes that may be used
+// Make sure you have added these to your composer.json and run `composer install`
 use League\OAuth2\Client\Provider\Google as Google;
 use Stevenmaguire\OAuth2\Client\Provider\Microsoft as Microsoft;
 use Hayageek\OAuth2\Client\Provider\Yahoo as Yahoo;
@@ -60,7 +61,7 @@ if (array_key_exists('provider', $_GET)) {
     $providerName = $_SESSION['provider'];
 }
 if (!in_array($providerName, ['Google', 'Microsoft', 'Yahoo'])) {
-    exit("Only Google, Microsoft and Yahoo OAuth2 providers are currently supported.");
+    exit('Only Google, Microsoft and Yahoo OAuth2 providers are currently supported in this script.');
 }
 
 //These details obtained are by setting up app in Google developer console.
@@ -72,7 +73,7 @@ $clientSecret = 'RANDOMCHARS-----lGyjPcRtvP';
 $redirectUri = isset($_SERVER['HTTPS']) ? 'https://' : 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
 //$redirectUri = 'http://localhost/PHPMailer/redirect';
 
-$provider = new Google(
+$provider = new $providerName(
     [
         'clientId' => $clientId,
         'clientSecret' => $clientSecret,
@@ -81,21 +82,17 @@ $provider = new Google(
     ]
 );
 
-// Define scopes as a array here.
+// Set OAuth options
 $options = [
     'scope' => [
         'https://mail.google.com/'
     ]
 ];
 
-
 if (!isset($_GET['code'])) {
-
     // If we don't have an authorization code then get one
     $authUrl = $provider->getAuthorizationUrl($options);
-
     $_SESSION['oauth2state'] = $provider->getState();
-
     header('Location: ' . $authUrl);
     exit;
 // Check given state against previously stored one to mitigate CSRF attack
@@ -105,13 +102,12 @@ if (!isset($_GET['code'])) {
     exit('Invalid state');
 } else {
     unset($_SESSION['provider']);
-
     // Try to get an access token (using the authorization code grant)
     $token = $provider->getAccessToken(
         'authorization_code',
-        array(
+        [
             'code' => $_GET['code']
-        )
+        ]
     );
     // Use this to interact with an API on the users behalf
     // Use this to get a new access token if the old one expires