Proxy.php

出自ProgWiki

用途

• 跨網域的AJAX（透過Web-Server上的Proxy.php間接取得不同網域的內容）
• 參照：
  1. Cross domain AJAX querying with jQuery
  2. PHP: mime_content_type

程式碼

<?php
//Cross domain AJAX querying with jQuery
//http://jquery-howto.blogspot.com/2009/04/cross-domain-ajax-querying-with-jquery.html
 
//http://us.php.net/manual/en/function.mime-content-type.php
 
define( "MyWebHost", "www.player.idv.tw" );
 
$url_REFERER = @parse_url($_SERVER['HTTP_REFERER']);
 
if ($url_REFERER['host'] != MyWebHost)
{
	die();
}
 
if (!isset($_GET['q'])) {
	die();
}
// Website url to open
$q = $_GET['q']; // or $REQUEST would suffice?
 
 
if(!function_exists("mime_content_type"))
{
    function mime_content_type($filename) {
 
        $mime_types = array(
 
            'txt' => 'text/plain',
            'htm' => 'text/html',
            'html' => 'text/html',
            'php' => 'text/html',
            'css' => 'text/css',
            'js' => 'application/javascript',
            'json' => 'application/json',
            'xml' => 'application/xml',
			'rss' => 'application/rss+xml',
            'swf' => 'application/x-shockwave-flash',
            'flv' => 'video/x-flv',
 
            // images
            'png' => 'image/png',
            'jpe' => 'image/jpeg',
            'jpeg' => 'image/jpeg',
            'jpg' => 'image/jpeg',
            'gif' => 'image/gif',
            'bmp' => 'image/bmp',
            'ico' => 'image/vnd.microsoft.icon',
            'tiff' => 'image/tiff',
            'tif' => 'image/tiff',
            'svg' => 'image/svg+xml',
            'svgz' => 'image/svg+xml',
 
            // archives
            'zip' => 'application/zip',
            'rar' => 'application/x-rar-compressed',
            'exe' => 'application/x-msdownload',
            'msi' => 'application/x-msdownload',
            'cab' => 'application/vnd.ms-cab-compressed',
 
            // audio/video
            'mp3' => 'audio/mpeg',
            'qt' => 'video/quicktime',
            'mov' => 'video/quicktime',
 
            // adobe
            'pdf' => 'application/pdf',
            'psd' => 'image/vnd.adobe.photoshop',
            'ai' => 'application/postscript',
            'eps' => 'application/postscript',
            'ps' => 'application/postscript',
 
            // ms office
            'doc' => 'application/msword',
            'rtf' => 'application/rtf',
            'xls' => 'application/vnd.ms-excel',
            'ppt' => 'application/vnd.ms-powerpoint',
 
            // open office
            'odt' => 'application/vnd.oasis.opendocument.text',
            'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        );
 
        $ext = strtolower(array_pop(explode('.',$filename)));
		//preg_match("/\.(.*?)$/", $filename, $m);    # Get File extension for a better match
		//$ext = strtolower($m[1]);
 
        if (array_key_exists($ext, $mime_types)) {
            return $mime_types[$ext];
        }
        elseif (function_exists('finfo_open')) {
            $finfo = finfo_open(FILEINFO_MIME);
            $mimetype = finfo_file($finfo, $filename);
            finfo_close($finfo);
            return $mimetype;
        }
        else {
            return 'application/octet-stream';
			//return 'application/xml';
        }
    }
}
 
 
 
if (!isset($_GET['t'])) {
	$filename = $q;
} else {
	$t = $_GET['t'];
	$filename = 'x.'.$t;
}
 
// Set your return content type
$mime_type = mime_content_type($filename);
header('Content-type: '.$mime_type);
 
 
// Get that website's content
$handle = fopen($q, "r");
 
// If there is something, read and return
if ($handle) {
    while (!feof($handle)) {
        $buffer = fgets($handle, 4096);
        echo $buffer;
    }
    fclose($handle);
}
?>