add OAUTH pseudo method

* OAUTH pseudo method will elect either XOAUTH2 or OAUTHBEARER according to server's capabilities Signed-off-by: Edouard Vanbelle <[email protected]>
pear · Dec 26, 2023 · 6451805 · 6451805
1 parent 8a06d24
commit 6451805
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/Net/SMTP.php b/Net/SMTP.php
@@ -717,6 +717,8 @@ public function starttls()
      * @param string $pwd    The password to authenticate with.
      * @param string $method The requested authentication method.  If none is
      *                       specified, the best supported method will be used.
+     *                       If you use the special method `OAUTH`, the best
+     *                       supported method will be between XOAUTH2 and OAUTHBEARER
      * @param bool   $tls    Flag indicating whether or not TLS should be attempted.
      * @param string $authz  An optional authorization identifier.  If specified, this
      *                       identifier will be used as the authorization proxy.
@@ -750,6 +752,14 @@ public function auth($uid, $pwd , $method = '', $tls = true, $authz = '')
                 /* Return the PEAR_Error object from _getBestAuthMethod(). */
                 return $method;
             }
+        } elseif ($method === 'OAUTH') {
+            // case of OAUTH, elect the best method
+            $available_methods = explode(' ', $this->esmtp['AUTH']);
+            foreach (['XOAUTH2', 'OAUTHBEARER'] as $method) {
+                if (in_array($method, $available_methods)) {
+                    break;
+                }
+            }
         } else {
             $method = strtoupper($method);
             if (!array_key_exists($method, $this->auth_methods)) {