Switch cache control to ENABLE_CACHE env variable

Changed caching logic to use ENABLE_CACHE (disabled by default) instead of DISABLE_CACHE. Updated documentation and bumped version to 2.2.4 for clarity and consistency.

README.md

@@ -11,7 +11,7 @@ Read the docs at https://docs.pstream.org/proxy/introduction
  - bypass CORS - always allows browser to send requests through it
  - secure it with turnstile - prevent bots from using your proxy
  - parse and bypass m3u8 stream restrictions - make sure the IP is not blocked by the CDN, may need to be on a VPS.
- - Caching of tls segments (disable with DISABLE_CACHE=true in .env)
+ - Caching of tls segments (enable with ENABLE_CACHE=true in .env, disabled by default)
 
 > [!WARNING]
 > Turnstile integration only works properly with cloudflare workers as platform

package.json

@@ -1,7 +1,7 @@
 {
   "name": "simple-proxy",
   "private": true,
-  "version": "2.2.3",
+  "version": "2.2.4",
   "scripts": {
     "prepare": "nitropack prepare",
     "dev": "nitropack dev",

src/routes/m3u8-proxy.ts

@@ -1,7 +1,7 @@
 import { setResponseHeaders } from 'h3';
 
-// Check if caching is disabled via environment variable
-const isCacheDisabled = () => process.env.DISABLE_CACHE === 'true';
+// Check if caching is enabled via environment variable (disabled by default)
+const isCacheDisabled = () => process.env.ENABLE_CACHE !== 'true';
 
 function parseURL(req_url: string, baseUrl?: string) {
   if (baseUrl) {

src/routes/ts-proxy.ts

@@ -1,8 +1,8 @@
 import { setResponseHeaders } from 'h3';
 import { getCachedSegment } from './m3u8-proxy';
 
-// Check if caching is disabled via environment variable
-const isCacheDisabled = () => process.env.DISABLE_CACHE === 'true';
+// Check if caching is enabled via environment variable (disabled by default)
+const isCacheDisabled = () => process.env.ENABLE_CACHE !== 'true';
 
 export default defineEventHandler(async (event) => {
   // Handle CORS preflight requests