Change default session timeout

rootfs/standard/var/www/mynode/api.py

@@ -145,6 +145,8 @@ def api_homepage_needs_refresh():
 
 @mynode_api.route("/api/get_qr_code_image")
 def api_get_qr_code_image():
+    check_logged_in()
+    
     img_buf = cStringIO.StringIO()
     url = "ERROR"
     if request.args.get("url"):

rootfs/standard/var/www/mynode/device_info.py

@@ -723,10 +723,10 @@ def get_flask_session_timeout():
             h = parts[1]
             return int(d),int(h)
         else:
-            set_file_contents("/home/bitcoin/.mynode/flask_session_timeout", "90,0")
-            return 90,0
+            set_file_contents("/home/bitcoin/.mynode/flask_session_timeout", "7,0")
+            return 7,0
     except:
-        return 90,0
+        return 7,0
 
 def set_flask_session_timeout(days, hours):
     set_file_contents("/home/bitcoin/.mynode/flask_session_timeout", "{},{}".format(days, hours))

rootfs/standard/var/www/mynode/mynode.py

@@ -59,6 +59,7 @@ app.config['DEBUG'] = False
 app.config['TEMPLATES_AUTO_RELOAD'] = True
 app.config['MAX_CONTENT_LENGTH'] = 32 * 1024 * 1024     # 32 MB upload file max
 app.config['UPLOAD_FOLDER'] = "/tmp/flask_uploads"
+app.config['SESSION_PERMANENT'] = True
 app.config["SESSION_COOKIE_NAME"] = "mynode_session_id"
 app.secret_key = get_flask_secret_key()
 timeout_days, timeout_hours = get_flask_session_timeout()

rootfs/standard/var/www/mynode/templates/settings.html

@@ -536,7 +536,7 @@
             <div class="divider"></div>
 
             <div class="settings_block_subheader">Automatic Logout</div>
-            Your myNode will logout automatically after a period of time. It can be changed below.
+            Your myNode will logout automatically after a period of inactivity. It can be changed below.
             <br/><br/>
 
             <form action="/settings/logout_time" method="POST">