From 4daeede73fd29c179acf500bf301a027218997cf Mon Sep 17 00:00:00 2001
From: Digitaltim | Burhan <info@digitaltim.de>
Date: Mon, 30 Jan 2023 14:41:13 +0100
Subject: [PATCH] url based proxy support

Add: Url based Proxy support
---
 src/Engine/Request.php | 74 ++++++++++++++++++++++--------------------
 1 file changed, 38 insertions(+), 36 deletions(-)

diff --git a/src/Engine/Request.php b/src/Engine/Request.php
index b6f45ae..ca03f6d 100644
--- a/src/Engine/Request.php
+++ b/src/Engine/Request.php
@@ -9,7 +9,7 @@
 abstract class Request
 {
     private $curl;
-
+    
     private $defaultCurlOpts = [
         CURLOPT_RETURNTRANSFER => true,
         CURLOPT_FOLLOWLOCATION => true,
@@ -17,7 +17,7 @@ abstract class Request
         CURLOPT_SSL_VERIFYPEER => false,
         CURLINFO_HEADER_OUT => true,
     ];
-
+    
     /**
      * @param array $proxy
      * @param string $cookies
@@ -28,14 +28,14 @@ abstract class Request
      * @throws InvalidClassException
      */
     public function makeRequest(array $proxy = [], string $cookies = '', bool $detailed = false, array $curlOpts = [],
-                                bool $multiRequest = false)
+        bool $multiRequest = false)
     {
 //        if ($multiRequest)
 //            return self::makeMultiRequest($proxy, $detailed);
-
+        
         return self::makeSingleRequest($proxy, $cookies, $detailed, $curlOpts);
     }
-
+    
     /**
      * @param array $proxy
      * @param string $cookies
@@ -48,41 +48,43 @@ private function makeSingleRequest(array $proxy = [], string $cookies = '', bool
     {
         if (!isset($this->curl))
             $this->curl = curl_init();
-
+        
         $requestMethod = $this->getRequestMethod();
-
+        
         $postOpts = [];
-
+        
         if ($requestMethod === 'POST')
             $postOpts = [CURLOPT_POSTFIELDS => http_build_query($this->getFormData())];
-
+        
         curl_setopt_array($this->curl,
             $this->defaultCurlOpts + EngineService::setProxyForSingle($proxy) + $curlOpts + $postOpts +[
                 CURLOPT_CUSTOMREQUEST => $requestMethod,
                 CURLOPT_HTTPHEADER => self::mergeHeaders($this->getHeaders()),
                 CURLOPT_URL => $this->getUrl(),
+                CURLOPT_URL => (array_key_exists('url', $proxy)) ?
+                    $proxy['url'].$this->getUrl() : $this->getUrl(),
                 CURLOPT_HEADER => $detailed,
                 CURLOPT_COOKIE => $cookies,
             ]
         );
-
+        
         return $this->response($detailed ? self::exec() : curl_exec($this->curl), $detailed);
     }
-
+    
     /**
      * @return array
      */
     public function exec(): array
     {
         $response = curl_exec($this->curl);
-
+        
         $requestHeaders = curl_getinfo($this->curl,CURLINFO_HEADER_OUT);
         $headerSize = curl_getinfo($this->curl,CURLINFO_HEADER_SIZE);
         $responseHeader = substr($response, 0, $headerSize);
-
+        
         $code = curl_getinfo($this->curl,CURLINFO_HTTP_CODE) ?: '';
         $messageCode = array_key_exists($code, Engine::HTTP_CODES) ? Engine::HTTP_CODES[$code] : '';
-
+        
         return [
             'request_headers' => self::headersToArray($requestHeaders),
             'response_headers' => self::headersToArray($responseHeader),
@@ -97,7 +99,7 @@ public function exec(): array
             'response' => substr($response, $headerSize)
         ];
     }
-
+    
     /**
      * @param $response
      * @return array
@@ -106,17 +108,17 @@ private function getCookie($response): array
     {
         preg_match_all('/^Set-Cookie:\s*([^;]*)/mi',
             $response, $match_found);
-
+        
         $cookies = [];
-
+        
         foreach ($match_found[1] as $item) {
             parse_str($item, $cookie);
             $cookies = array_merge($cookies, $cookie);
         }
-
+        
         return $cookies;
     }
-
+    
     /**
      * @param string $header
      * @return array
@@ -125,11 +127,11 @@ private function headersToArray(string $header): array
     {
         $headers = [];
         $headersTmpArray = explode("\r\n", $header);
-
+        
         for ($i = 0 ; $i < count( $headersTmpArray ) ; ++$i) {
             // we don't care about the two \r\n lines at the end of the headers
             if (strlen( $headersTmpArray[$i] ) > 0) {
-
+                
                 // the headers start with HTTP status codes, which do not contain a colon, so we can filter them out too
                 if (strpos( $headersTmpArray[$i] , ":")) {
                     $headerName = substr( $headersTmpArray[$i] , 0 , strpos( $headersTmpArray[$i] , ":" ) );
@@ -138,7 +140,7 @@ private function headersToArray(string $header): array
                 }
             }
         }
-
+        
         return $headers;
     }
 
@@ -146,7 +148,7 @@ private function headersToArray(string $header): array
 //    {
 //
 //    }
-
+    
     /**
      * @param $headers
      * @return array
@@ -154,49 +156,49 @@ private function headersToArray(string $header): array
     private function mergeHeaders($headers): array
     {
         $mergedHeaders = [];
-
+        
         foreach ($headers as $key => $value) {
             $mergedHeaders[] = $key . ': ' . $value;
         }
-
+        
         return $mergedHeaders;
     }
-
+    
     /**
      * @throws InvalidClassException
      */
     public function response($data, bool $detailed = false, bool $multiRequest = false)
     {
         $class = self::getResponseClass();
-
+        
         if (!class_exists($class))
             throw new InvalidClassException('Call to undefined Response Class');
-
+        
         return new $class($data, $detailed, $multiRequest);
     }
-
+    
     /**
      * @return string
      */
     private function getResponseClass(): string
     {
         $reversedArr = explode('\\', strrev(get_called_class()));
-
+        
         $method = strrev($reversedArr[0]);
         $folders = '';
-
+        
         unset($reversedArr[0]);
-
+        
         foreach ($reversedArr as $folder) {
             if (strrev($folder) === "Requests")
                 break;
-
+            
             $folders = strrev($folder) . '\\' . $folders;
         }
-
+        
         return Engine::RESPONSE_PREFIX . $folders . $method;
     }
-
+    
     /**
      * Destructor of Request Engine
      */
@@ -204,4 +206,4 @@ function __destruct() {
         if ($this->curl)
             curl_close($this->curl);
     }
-}
\ No newline at end of file
+}