Add Twitch api for iptv

.gitignore

@@ -3,4 +3,5 @@
 /assets/jsconfig.json
 hugo_stats.json
 .hugo_build.lock
-.netlify
+.netlify
+node_modules

netlify.toml

@@ -11,3 +11,8 @@
   command = "hugo server"
   port = 3000
   publish = "public"
+
+[[redirects]]
+  from="/api/*"
+  to="/.netlify/functions/:splat"
+  status = 200

netlify/functions/twitch.js

@@ -0,0 +1,37 @@
+const twitch = require('twitch-m3u8')
+
+exports.handler = async function (event, context) {
+    const user = event.queryStringParameters?.user;
+    if(user)
+    {
+        try
+        {
+            var playlist = await twitch.getStream(user, true);
+            return { headers: {"content-type":"application/vnd.apple.mpegurl; charset=utf-8"}, statusCode: 200, body: playlist };
+        }
+        catch(err)
+        {
+            return { headers: {"content-type":"text/plain"}, statusCode: 404, body: "user "+user+" not found" };
+        }
+    }
+    else
+    {
+        const vod = event.queryStringParameters?.vod;
+        if(vod)
+        {
+            try
+            {
+                var playlist = await twitch.getVod(vod, true);
+                return { headers: {"content-type":"application/vnd.apple.mpegurl; charset=utf-8"}, statusCode: 200, body: playlist };
+            }
+            catch(err)
+            {
+                return { headers: {"content-type":"text/plain"}, statusCode: 404, body: "vod "+vod+" not found" };
+            }
+        }
+        else
+        {
+            return { headers: {"content-type":"text/plain"}, statusCode: 404, body: "Usage:\ntwitch?user=<username>\ntwitch?vod=<vodid>" };
+        }
+    }
+};

package-lock.json

@@ -0,0 +1,17 @@
+{
+  "name": "functions",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "twitch-m3u8": "^1.1.5"
+      }
+    },
+    "node_modules/twitch-m3u8": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/twitch-m3u8/-/twitch-m3u8-1.1.5.tgz",
+      "integrity": "sha512-o037ePS9fwfuOmBe/ftji/e3cqzWq50AUvuIHJZ5E0pV73UMjn3BAm00aZUYVrt3Ns6k08HvhVjAIya/WYcGRg=="
+    }
+  }
+}

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "twitch-m3u8": "^1.1.5"
+  }
+}