Fixing SMTP mail sending make username and password optional (#341)

* Fixing SMTP mail sending make username and password optional

CTFd/admin/__init__.py

@@ -113,6 +113,7 @@ def admin_config():
             verify_emails = bool(request.form.get('verify_emails', None))
             mail_tls = bool(request.form.get('mail_tls', None))
             mail_ssl = bool(request.form.get('mail_ssl', None))
+            mail_useauth = bool(request.form.get('mail_useauth', None))
         except (ValueError, TypeError):
             view_challenges_unregistered = None
             view_scoreboard_if_authed = None
@@ -123,6 +124,7 @@ def admin_config():
             verify_emails = None
             mail_tls = None
             mail_ssl = None
+            mail_useauth = None
         finally:
             view_challenges_unregistered = utils.set_config('view_challenges_unregistered', view_challenges_unregistered)
             view_scoreboard_if_authed = utils.set_config('view_scoreboard_if_authed', view_scoreboard_if_authed)
@@ -133,6 +135,7 @@ def admin_config():
             verify_emails = utils.set_config('verify_emails', verify_emails)
             mail_tls = utils.set_config('mail_tls', mail_tls)
             mail_ssl = utils.set_config('mail_ssl', mail_ssl)
+            mail_useauth = utils.set_config('mail_useauth', mail_useauth)
 
         mail_server = utils.set_config("mail_server", request.form.get('mail_server', None))
         mail_port = utils.set_config("mail_port", request.form.get('mail_port', None))
@@ -186,6 +189,7 @@ def admin_config():
 
     mail_tls = utils.get_config('mail_tls')
     mail_ssl = utils.get_config('mail_ssl')
+    mail_useauth = utils.get_config('mail_useauth')
 
     view_challenges_unregistered = utils.get_config('view_challenges_unregistered')
     view_scoreboard_if_authed = utils.get_config('view_scoreboard_if_authed')
@@ -208,6 +212,7 @@ def admin_config():
                            hide_scores=hide_scores,
                            mail_server=mail_server,
                            mail_port=mail_port,
+                           mail_useauth=mail_useauth,
                            mail_username=mail_username,
                            mail_password=mail_password,
                            mail_tls=mail_tls,

CTFd/themes/admin/templates/config.html

@@ -131,6 +131,12 @@
 									   placeholder="Mail Server Port"
 									   {% if mail_port is defined and mail_port != None %}value="{{ mail_port }}"{% endif %}>
 							</div>
+							<div class="checkbox">
+                                                                <label>
+                                                                        <input id="mail_useauth" name="mail_useauth" type="checkbox" {% if mail_useauth %}checked{% endif %}>
+                                                                        Use SMTP Authentication?
+                                                                </label>
+                                                        </div>
 							<div class="form-group">
 								<label for="start">Username:</label>
 								<input class="form-control" id='mail_username' name='mail_username' type='text'

CTFd/utils.py

@@ -436,13 +436,14 @@ def mailserver():
     return False
 
 
-def get_smtp(host, port, username=None, password=None, TLS=None, SSL=None):
+def get_smtp(host, port, username=None, password=None, TLS=None, SSL=None, auth=None):
     smtp = smtplib.SMTP(host, port)
     smtp.ehlo()
     if TLS:
         smtp.starttls()
         smtp.ehlo()
-    smtp.login(username, password)
+    if auth:
+        smtp.login(username, password)
     return smtp
 
 
@@ -477,6 +478,8 @@ def sendmail(addr, text):
             data['TLS'] = get_config('mail_tls')
         if get_config('mail_ssl'):
             data['SSL'] = get_config('mail_ssl')
+        if get_config('mail_useauth'):
+            data['auth'] = get_config('mail_useauth')
 
         smtp = get_smtp(**data)
         msg = MIMEText(text)

CTFd/views.py

@@ -75,6 +75,7 @@ def setup():
             mail_ssl = utils.set_config('mail_ssl', None)
             mail_username = utils.set_config('mail_username', None)
             mail_password = utils.set_config('mail_password', None)
+            mail_useauth = utils.set_config('mail_useauth', None)
 
             setup = utils.set_config('setup', True)