Add option to set auto-logout time period

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

@@ -721,12 +721,23 @@ def get_flask_session_timeout():
             parts = timeout.split(",")
             d = parts[0]
             h = parts[1]
-            return timedelta(days=d, hours=h)
+            return int(d),int(h)
         else:
             set_file_contents("/home/bitcoin/.mynode/flask_session_timeout", "90,0")
-            return timedelta(days=90, hours=0)
+            return 90,0
     except:
-        return timedelta(days=90, hours=0)
+        return 90,0
+
+def set_flask_session_timeout(days, hours):
+    set_file_contents("/home/bitcoin/.mynode/flask_session_timeout", "{},{}".format(days, hours))
+    os.system("sync")
+
+
+#==================================
+# Uploader Functions
+#==================================
+def restart_flask():
+    os.system("systemctl restart www")
 
 
 #==================================

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

@@ -61,7 +61,8 @@ app.config['MAX_CONTENT_LENGTH'] = 32 * 1024 * 1024     # 32 MB upload file max
 app.config['UPLOAD_FOLDER'] = "/tmp/flask_uploads"
 app.config["SESSION_COOKIE_NAME"] = "mynode_session_id"
 app.secret_key = get_flask_secret_key()
-app.permanent_session_lifetime = get_flask_session_timeout()
+timeout_days, timeout_hours = get_flask_session_timeout()
+app.permanent_session_lifetime = timedelta(days=timeout_days, hours=timeout_hours)
 app.register_error_handler(LoginError, handle_login_exception)
 
 app.wsgi_app = ReverseProxied(app.wsgi_app)

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

@@ -49,6 +49,7 @@ def page_settings():
         upload_rate = 100
         download_rate = 100
 
+    logout_time_days, logout_time_hours = get_flask_session_timeout()
 
     templateData = {
         "title": "myNode Settings",
@@ -69,6 +70,8 @@ def page_settings():
         "product_key_error": pk_error,
         "changelog": changelog,
         "is_https_forced": is_https_forced(),
+        "logout_time_days": logout_time_days,
+        "logout_time_hours": logout_time_hours,
         "using_bitcoin_custom_config": using_bitcoin_custom_config(),
         "using_lnd_custom_config": using_lnd_custom_config(),
         "is_bitcoin_synced": is_bitcoind_synced(),
@@ -615,6 +618,29 @@ def change_quicksync_rates_page():
     return redirect(url_for(".page_settings"))
 
 
+@mynode_settings.route("/settings/logout_time", methods=['POST'])
+def change_logout_time_page():
+    check_logged_in()
+    if not request:
+        return redirect("/settings")
+
+    d = request.form.get('logout_days')
+    h = request.form.get('logout_hours')
+
+    if d == "0" and h == "0":
+        flash("Logout time cannot be 0 hours and 0 days", category="error")
+        return redirect(url_for(".page_settings"))
+
+    set_flask_session_timeout(d, h)
+    
+    # Trigger reboot
+    t = Timer(3.0, restart_flask)
+    t.start()
+
+    flash("Automatic logout time updated!", category="message")
+    return redirect(url_for(".page_settings"))
+
+
 @mynode_settings.route("/settings/delete-lnd-wallet", methods=['POST'])
 def page_lnd_delete_wallet():
     check_logged_in()

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

@@ -535,6 +535,30 @@
 
             <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.
+            <br/><br/>
+
+            <form action="/settings/logout_time" method="POST">
+                {% set logoutDays = [0,1,2,3,5,7,10,15,20,30,60,90] %}
+                {% set logoutHours = range(24) %}
+                Days: 
+                <select name="logout_days" id="logout_days">
+                    {% for d in logoutDays %}
+                    <option value="{{d}}" {% if logout_time_days == d %}selected{% endif %}>{{d}}</option>
+                    {% endfor %}
+                </select>
+                Hours: 
+                <select name="logout_hours" id="logout_hours">
+                    {% for h in logoutHours %}
+                    <option value="{{h}}" {% if logout_time_hours == h %}selected{% endif %}>{{h}}</option>
+                    {% endfor %}
+                </select>
+                <input type="submit" id="logout_save_button" value="Save" class="ui-button ui-widget ui-corner-all settings_button_small"/>
+            </form>
+
+            <div class="divider"></div>
+
             <div class="settings_block_subheader">Force HTTPS</div>
             You can force the myNode web interface to only use HTTPS.
             <br/><br/>