I guess we doin cookies now

localization.py

@@ -1,6 +1,6 @@
 import os
 import json
-from flask import request, session
+from flask import request, make_response
 
 class Localization:
 	"""Handles localization for IPMPV"""
@@ -10,6 +10,8 @@ class Localization:
 		self.default_language = default_language
 		self.translations = {}
 		self.available_languages = []
+		self.cookie_name = 'ipmpv_language'
+		self.cookie_max_age = 31536000  # 1 year in seconds
 		self._load_translations()
 
 	def _load_translations(self):
@@ -35,27 +37,43 @@ class Localization:
 			self.translations[self.default_language] = {}
 
 	def get_language(self):
-        """Get the current language based on session or browser settings"""
+		"""Get the current language based on cookies or browser settings"""
-        # Check session first
+		# Check cookie first
-        if 'language' in session:
+		lang_cookie = request.cookies.get(self.cookie_name)
-            lang = session['language']
+		if lang_cookie and lang_cookie in self.available_languages:
-            if lang in self.available_languages:
+			return lang_cookie
-                return lang
 
 		# Check browser Accept-Language header
 		if request.accept_languages:
 			for lang in request.accept_languages.values():
 				if lang[:2] in self.available_languages:
-                    session['language'] = lang[:2]
 					return lang[:2]
 
 		# Fallback to default language
 		return self.default_language
 
-    def set_language(self, language_code):
+	def set_language(self, language_code, response=None):
-        """Set the current language"""
+		"""
+		Set the current language in a cookie
+
+		Args:
+			language_code (str): The language code to set
+			response (flask.Response, optional): A Flask response object to add the cookie to
+
+		Returns:
+			bool: Whether the language was set successfully
+		"""
 		if language_code in self.available_languages:
-            session['language'] = language_code
+			# If a response was provided, add the cookie to it
+			if response:
+				response.set_cookie(
+					self.cookie_name,
+					language_code,
+					max_age=self.cookie_max_age,
+					path='/',
+					httponly=True,
+					samesite='Strict'
+				)
 			return True
 		return False
 

server.py

@@ -6,7 +6,7 @@ import re
 import subprocess
 import threading
 import flask
-from flask import request, jsonify, send_from_directory, session, redirect, url_for
+from flask import request, jsonify, send_from_directory, redirect, url_for, make_response
 from localization import localization, _
 from utils import is_valid_url, change_resolution, get_current_resolution, is_wayland, get_or_create_secret_key
 
@@ -26,7 +26,6 @@ class IPMPVServer:
 		self.ipmpv_retroarch_cmd = ipmpv_retroarch_cmd
 		self.retroarch_p = None
 		self.volume_control = volume_control
-		self.app.secret_key = get_or_create_secret_key()
 
 		# Register routes
 		self._register_routes()
@@ -40,8 +39,9 @@ class IPMPVServer:
 
 		@self.app.route("/switch_language/<language>")
 		def switch_language(language):
-			localization.set_language(language)
+			response = make_response(redirect(request.referrer or url_for('index')))
-			return redirect(request.referrer or url_for('index'))
+			localization.set_language(language, response)
+			return response
 
 		@self.app.route("/")
 		def index():