Resolve "use multi curl to improve performance"

Closes #19 (closed)

app/Models/HttpParser.php

+<?php 
+
+namespace app\Models;
+
+class HttpParser
+{
+
+    public static function parseHeader($headerPart, $path = "") {
+        $headerLine = explode("\r\n", $headerPart);
+        $httpcode = rtrim($headerLine[0]);
+        $httpcode = explode(" ", $httpcode);
+        $header['http_code'] = $httpcode[1];
+        foreach($headerLine as $line) {
+            if(stripos($line, ": ")) {
+                $tmp = explode(": ", $line);
+                $header[strtolower($tmp[0])] = $tmp[1];
+            }
+        }
+        if(!isset($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, $path = "") {
+        try{
+            $parts = explode("\r\n\r\n", $htmldoc);
+            $regex = "/^HTTP/sm";
+            $i = 0;
+            while($i < count($parts)){
+                if(!preg_match($regex ,$parts[$i])){
+                    break;
+                }
+                $i++;
+            }
+            $out['header'] = self::parseHeader($parts[$i-1], $path);
+            $out['data'] = implode(array_slice($parts,$i));
+            unset($out['header']['content-encoding']);
+            unset($out['header']['content-length']);
+            unset($out['header']['x-frame-options']);
+            return $out;
+        } catch(\Exception $e) {
+            $out['header']['http_code'] = 200;
+            $out['header']['content-type'] = "text/html";
+            $out['data'] = 'no-result';
+            return $out;
+        }
+    }
+}
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