check_server();
$this->method = $_SERVER['REQUEST_METHOD'];
$this->search_api = self::SEARCH_API;
$this->docompress = self::DOCOMPRESS;
$this->pre_request();
$this->dorequest();
$this->post_request();
}
private function pre_request() {
if(strrchr($_SERVER['REQUEST_URI'], '?') !== false){
$this->request_api = strval(substr(strrchr($_SERVER['REQUEST_URI'], '?'), 0));
}else{
$this->request_api = '';
}
$this->request_api = $this->mytrim($this->request_api);
if($this->method == 'POST'){
$this->post_data = @file_get_contents('php://input');
}
}
private function dorequest() {
$url = $this->search_api.'/';
if (!empty($this->request_api)) {
$url .= 'search' . $this->request_api;
}
$ch = curl_init($url);
$curl_opt = array();
if($this->method == 'POST') {
$curl_opt[CURLOPT_POST] = true;
$curl_opt[CURLOPT_POSTFIELDS] = $this->post_data;
}
$curl_opt[CURLOPT_USERAGENT] = $_SERVER['HTTP_USER_AGENT'];
$curl_opt[CURLOPT_RETURNTRANSFER] = true;
$curl_opt[CURLOPT_HEADERFUNCTION] = create_function('$ch,$str','if(strpos($str,\'Content-Length:\') === false ) { header($str); } return strlen($str);');
$curl_opt[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1 ;//avoid the "Expect: 100-continue" error
curl_setopt_array($ch,$curl_opt);
$this->ret = curl_exec($ch);
curl_close($ch);
}
private function post_request() {
$result = str_replace('/images/search/', '', $this->ret);
$result = str_replace('/stylesheets/search/', '', $result);
$result = str_replace('http://platform.twitter.com/', '', $result);
$result = str_replace('/javascripts/search/', '', $result);
$result = str_replace('http://search.twitter.com/search?', 'search.php?', $result);
$result = str_replace('/search?', 'search.php?', $result);
$result = str_replace('"/search"', '"search.php"', $result);
header('Content-Length: '.strlen($result));
if($this->docompress && Extension_Loaded('zlib')) {
if(!Ob_Start('ob_gzhandler')) {
Ob_Start();
}
}
echo $result;
if($this->docompress && Extension_Loaded('zlib')) {
Ob_End_Flush();
}
}
private function mytrim($str) {
return trim($str,'/');
}
private function check_server() {
if(!function_exists('curl_init') &&
!function_exists('curl_setopt_array') &&
!function_exists('curl_exec') &&
!function_exists('curl_close')) {
$this->err("curl functions doesn't exists!");
}
else if(!function_exists('file_get_contents') && !function_exists('file_put_contents')) {
$this->err("PHP 5 is needed!");
}
}
private function err($str=null) {
if(empty($str)) {
$str = 'Seems every thing is fine.';
}
$msg ="
Twitter Search Message Page
Twitter Search Message Page
This is a Twitter Search proxy, and there is something wrong.
".nl2br($str)."
";
echo $msg;
exit();
}
}
$tsearch = new tsearch();
?>