Organizing mailserver code better, fixing default flask server issues, and fixing modal issues

CTFd/auth.py

@@ -1,5 +1,5 @@
 from flask import render_template, request, redirect, abort, jsonify, url_for, session, Blueprint
-from CTFd.utils import sha512, is_safe_url, authed, mailserver, sendmail, can_register, get_config, verify_email
+from CTFd.utils import sha512, is_safe_url, authed, can_send_mail, sendmail, can_register, get_config, verify_email
 from CTFd.models import db, Teams
 
 from itsdangerous import TimedSerializer, BadTimeSignature, Signer, BadSignature
@@ -121,10 +121,10 @@ def register():
                 session['admin'] = team.admin
                 session['nonce'] = sha512(os.urandom(10))
 
-                if mailserver() and get_config('verify_emails'):
+                if can_send_mail() and get_config('verify_emails'):
                     verify_email(team.email)
                 else:
-                    if mailserver():
+                    if can_send_mail():
                         sendmail(request.form['email'], "You've successfully registered for {}".format(get_config('ctf_name')))
 
         db.session.close()

CTFd/config.py

@@ -18,6 +18,7 @@ SESSION_FILE_DIR = "/tmp/flask_session"
 SESSION_COOKIE_HTTPONLY = True
 PERMANENT_SESSION_LIFETIME = 604800 # 7 days in seconds
 HOST = ".ctfd.io"
+MAILFROM_ADDR = "noreply@ctfd.io"
 UPLOAD_FOLDER = os.path.normpath('static/uploads')
 TEMPLATES_AUTO_RELOAD = True
 TRUSTED_PROXIES = [

CTFd/templates/original/admin/teams.html

@@ -139,7 +139,7 @@ input[type="checkbox"] { margin: 0px !important; position: relative; top: 5px; }
                 </td>
                 <td class="text-center"><span>
                     <i class="fa fa-pencil-square-o"></i>
-                    {% if mailserver() %}<i class="fa fa-envelope"></i>{% endif %}
+                    {% if can_send_mail() %}<i class="fa fa-envelope"></i>{% endif %}
                     <i class="fa fa-times"></i>
                 </span>
                 </td>
@@ -199,7 +199,7 @@ $('#update-user').click(function(e){
 
                 row.find('.team-affiliation').text( $.grep(user_data, function(e){ return e.name == 'affiliation'; })[0]['value'] );
                 row.find('.team-country').text( $.grep(user_data, function(e){ return e.name == 'country'; })[0]['value'] );
-                $('#user').modal();
+                $('#user').modal('hide');
             }
             else{
                 $('#results').append($('p').text( data['data'][i] ))
@@ -224,7 +224,7 @@ $('#send-user-email').click(function(e){
     var email_data = $('#email-user form').serializeArray();
     $.post($('#email-user form').attr('action'), $('#email-user form').serialize(), function(data){
         if (data == "1"){
-            $('#email-user').modal();
+            $('#email-user').modal('hide');
         }
         else{
             $('#email-user-errors').append("<b>Failed to send email</b>");

CTFd/utils.py

@@ -92,7 +92,7 @@ def init_utils(app):
     app.jinja_env.filters['long2ip'] = long2ip
     app.jinja_env.globals.update(pages=pages)
     app.jinja_env.globals.update(can_register=can_register)
-    app.jinja_env.globals.update(mailserver=mailserver)
+    app.jinja_env.globals.update(can_send_mail=can_send_mail)
     app.jinja_env.globals.update(ctf_name=ctf_name)
     app.jinja_env.globals.update(ctf_theme=ctf_theme)
     app.jinja_env.globals.update(can_create_container=can_create_container)
@@ -315,10 +315,19 @@ def set_config(key, value):
     return config
 
 
-def mailserver():
+def can_send_mail():
+    return mailgun() or mailserver()
+
+
+def mailgun():
     if app.config.get('MAILGUN_API_KEY') and app.config.get('MAILGUN_BASE_URL'):
         return True
-    if (get_config('mg_api_key') and get_config('mg_base_url')) or (get_config('mail_server') and get_config('mail_port')):
+    if (get_config('mg_api_key') and get_config('mg_base_url')):
+        return True
+    return False
+
+def mailserver():
+    if (get_config('mail_server') and get_config('mail_port')):
         return True
     return False
 
@@ -334,14 +343,15 @@ def get_smtp(host, port, username=None, password=None, TLS=None, SSL=None):
 
 
 def sendmail(addr, text):
-    if mailserver():
+    if mailgun():
         ctf_name = get_config('ctf_name')
         mg_api_key = get_config('mg_api_key') or app.config.get('MAILGUN_API_KEY')
         mg_base_url = get_config('mg_base_url') or app.config.get('MAILGUN_BASE_URL')
+        mailfrom_addr = get_config('mailfrom_addr') or app.config.get('MAILFROM_ADDR')
         r = requests.post(
             mg_base_url + '/messages',
             auth=("api", mg_api_key),
-            data={"from": "{} Admin <{}>".format(ctf_name, 'noreply@ctfd.io'),
+            data={"from": "{} Admin <{}>".format(ctf_name, mailfrom_addr),
                   "to": [addr],
                   "subject": "Message from {0}".format(ctf_name),
                   "text": text})
@@ -349,7 +359,7 @@ def sendmail(addr, text):
             return True
         else:
             return False
-    elif get_config('mail_server') and get_config('mail_port'):
+    elif mailserver():
         data = {
             'host': get_config('mail_server'),
             'port': int(get_config('mail_port'))

serve.py

@@ -1,3 +1,3 @@
 from CTFd import create_app
 app = create_app()
-app.run(debug=True, host="0.0.0.0", port=4000)
+app.run(debug=True, threaded=True, host="0.0.0.0", port=4000)