Revert "XOAUTH2 support for Outlook SMTP (#15062)"

This reverts commit fb6a2c7.

src/middlewared/middlewared/plugins/mail.py

@@ -28,13 +28,15 @@ class DenyNetworkActivity(Exception):
     pass
 
 
-class QueueItem:
+class QueueItem(object):
+
     def __init__(self, message):
         self.attempts = 0
         self.message = message
 
 
-class MailQueue:
+class MailQueue(object):
+
     MAX_ATTEMPTS = 3
     MAX_QUEUE_LIMIT = 20
 
@@ -71,7 +73,10 @@ class MailModel(sa.Model):
 
 
 class MailService(ConfigService):
+
     mail_queue = MailQueue()
+    oauth_access_token = None
+    oauth_access_token_expires_at = None
 
     class Config:
         datastore = 'system.email'
@@ -91,7 +96,6 @@ class Config:
         Password('pass', null=True, required=True),
         Dict(
             'oauth',
-            Str('provider'),
             Str('client_id'),
             Str('client_secret'),
             Password('refresh_token'),
@@ -115,7 +119,6 @@ async def mail_extend(self, cfg):
             (
                 'replace', Dict(
                     'oauth',
-                    Str('provider'),
                     Str('client_id', required=True),
                     Str('client_secret', required=True),
                     Password('refresh_token', required=True),
@@ -367,7 +370,7 @@ def read_json():
                 msg[key] = val
 
         try:
-            if config['oauth'] and config['oauth']['provider'] == 'gmail':
+            if config['oauth']:
                 self.middleware.call_sync('mail.gmail_send', msg, config)
             else:
                 server = self._get_smtp_server(config, message['timeout'], local_hostname=local_hostname)
@@ -426,9 +429,7 @@ def _get_smtp_server(self, config, timeout=300, local_hostname=None):
                 local_hostname=local_hostname)
             if config['security'] == 'TLS':
                 server.starttls()
-        if config['oauth'] and config['oauth']['provider'] == 'outlook':
-            self.middleware.call_sync('mail.outlook_xoauth2', server, config)
-        elif config['smtp']:
+        if config['smtp']:
             server.login(config['user'], config['pass'])
 
         return server
@@ -440,7 +441,7 @@ def send_mail_queue(self):
             for queue in list(mq.queue):
                 try:
                     config = self.middleware.call_sync('mail.config')
-                    if config['oauth'] and config['oauth']['provider'] == 'gmail':
+                    if config['oauth']:
                         self.middleware.call_sync('mail.gmail_send', queue.message, config)
                     else:
                         server = self._get_smtp_server(config)

src/middlewared/middlewared/plugins/mail_/gmail.py

@@ -59,7 +59,7 @@ def gmail_initialize(self):
 
     @private
     def gmail_build_service(self, config):
-        if config["oauth"] and config["oauth"]["provider"] == "gmail":
+        if config["oauth"]:
             return GmailService(config)
 
         return None