Skripti veebipuhverserver/anonüümiseerija. PHP

<?php

// Function to fetch the content from the target URL and return it
function fetchURL($url, $headers, $method, $data = null) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    
    // Set method and data for POST requests
    if ($method === 'POST') {
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    
    $response = curl_exec($ch);
    curl_close($ch);
    return $response;
}

// Check if URL parameter is provided
if (isset($_GET['url'])) {
    $url = $_GET['url'];

    // Forward request headers
    $headers = getallheaders();
    
    // Forward request method
    $method = $_SERVER['REQUEST_METHOD'];

    // Forward request data for POST requests
    $data = null;
    if ($method === 'POST') {
        $data = file_get_contents('php://input');
    }

    // Fetch content from the target URL
    $targetResponse = fetchURL($url, $headers, $method, $data);

    // Extract response headers and content
    list($targetHeaders, $targetContent) = explode("\r\n\r\n", $targetResponse, 2);

    // Forward response headers to the client
    $headerLines = explode("\r\n", $targetHeaders);
    foreach ($headerLines as $header) {
        header($header);
    }

    // Output the content to the client
    echo $targetContent;
} else {
    // URL parameter is missing
    http_response_code(400);
    echo "Missing URL parameter";
}

?>

GET http://example.com/proxy.php?url=https://example.com

<?php

// Function to fetch the content from the target URL and return it
function fetchURL($url, $headers, $method, $data = null) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    
    // Set method and data for POST requests
    if ($method === 'POST') {
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    
    $response = curl_exec($ch);
    curl_close($ch);
    return $response;
}

// Function to cache response content
function cacheContent($url, $content) {
    // Implement caching logic here
    // For simplicity, you can use file-based caching
    $cacheFileName = md5($url) . '.cache';
    file_put_contents($cacheFileName, $content);
}

// Function to retrieve cached content
function getCachedContent($url) {
    // Implement caching logic here
    $cacheFileName = md5($url) . '.cache';
    if (file_exists($cacheFileName)) {
        return file_get_contents($cacheFileName);
    }
    return null;
}

// Check if URL parameter is provided
if (isset($_GET['url'])) {
    $url = $_GET['url'];

    // Check if content is cached
    $cachedContent = getCachedContent($url);
    if ($cachedContent !== null) {
        // Output cached content
        echo $cachedContent;
        exit();
    }

    // Forward request headers
    $headers = getallheaders();
    
    // Forward request method
    $method = $_SERVER['REQUEST_METHOD'];

    // Forward request data for POST requests
    $data = null;
    if ($method === 'POST') {
        $data = file_get_contents('php://input');
    }

    // Fetch content from the target URL
    $targetResponse = fetchURL($url, $headers, $method, $data);

    // Extract response headers and content
    list($targetHeaders, $targetContent) = explode("\r\n\r\n", $targetResponse, 2);

    // Forward response headers to the client
    $headerLines = explode("\r\n", $targetHeaders);
    foreach ($headerLines as $header) {
        header($header);
    }

    // Output the content to the client
    echo $targetContent;

    // Cache the response content
    cacheContent($url, $targetContent);
} else {
    // URL parameter is missing
    http_response_code(400);
    echo "Missing URL parameter";
}

?>