add path for parser

app/Http/Controllers/ProxyController.php

@@ -140,6 +140,12 @@ class ProxyController extends Controller
         
         $targetUrl = str_replace("<<SLASH>>", "/", $url);
         $targetUrl = str_rot13(base64_decode($targetUrl));
+        
+        try{
+            $path = parse_url($targetUrl)["path"];
+        }catch(\Exception $e){
+            $path = "";
+        }
 
         $this->password = $password;
         // Hash Value under which a possible cached file would've been stored
@@ -171,7 +177,7 @@ class ProxyController extends Controller
         } else {
             $answer = Cache::get($hash);
         }
-        $result = HttpParser::parse($answer);
+        $result = HttpParser::parse($answer, $path);
         if ($result === null) {
             return $this->streamFile($targetUrl);
         } else {

app/Models/HttpParser.php

@@ -5,7 +5,7 @@ namespace app\Models;
 class HttpParser
 {
 
-    public static function parseHeader($headerPart){
+    public static function parseHeader($headerPart, $path = "") {
         $headerLine = explode("\r\n", $headerPart);
         $httpcode = rtrim($headerLine[0]);
         $httpcode = explode(" ", $httpcode);
@@ -16,13 +16,21 @@ class HttpParser
                 $header[$tmp[0]] = $tmp[1];
             }
         }
-        if(!isset($header['content-type'])){
-            $header['content-type'] = 'application/octet-stream';
+        if(!isset($header['content-type'])) {
+            if(substr($path, -4) === '.css') {
+                $header['content-type'] = 'text/css';
+            } elseif(substr($path, -3) === '.js') {
+                $header['content-type'] = 'text/javascript';
+            } elseif(substr($path, -4) === '.svg') {
+                $header['content-type'] = 'image/svg+xml';
+            } else {
+                $header['content-type'] = 'application/octet-stream';
+            }
         }
         return $header;
     }
 
-    public static function parse($htmldoc){
+    public static function parse($htmldoc, $path = "") {
         try{
             $parts = explode("\r\n\r\n", $htmldoc);
             $regex = "/^HTTP/sm";
@@ -33,7 +41,7 @@ class HttpParser
                 }
                 $i++;
             }
-            $out['header'] = self::parseHeader($parts[$i-1]);
+            $out['header'] = self::parseHeader($parts[$i-1], $path);
             $out['data'] = implode(array_slice($parts,$i));
             unset($out['header']['content-encoding']);
             unset($out['header']['content-length']);