/*
* Curl class
*/
class curl_class{
function curl_class(){ $this->__construct($array=null); }
function __construct($array=null) {
/*
Fill class with default variables
*/
if(is_array($array)) {
foreach($array AS $key=>$value) {
$this->$key = $value;
}
}
/*
Specify cookie file
*/
if(!$this->cookie){
$this->cookie = tempnam("tmp","COOK");
}
/*
Default user agent
*/
if(!$this->user_agent) {
$this->user_agent = 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)';
}
/*
Init curl
*/
$this->curl = curl_init();
$this->configCurl(CURLOPT_SSL_VERIFYPEER, 0);
$this->configCurl(CURLOPT_SSL_VERIFYHOST, 0);
$this->configCurl(CURLOPT_RETURNTRANSFER, 1);
$this->configCurl(CURLOPT_HEADER, 1);
$this->configCurl(CURLOPT_AUTOREFERER, 1);
$this->configCurl(CURLOPT_COOKIEFILE, $this->cookie);
$this->configCurl(CURLOPT_COOKIEJAR, $this->cookie);
if($this->ajax) {
$str[] = "X-Requested-With: XMLHttpRequest";
}
if($this->prototype) {
$str[] = "X-Prototype-Version: ". $this->prototype;
}
if($this->prototype || $this->ajax) {
$this->configCurl(CURLOPT_HTTPHEADER, $str);
}
if($this->debug) {
$GLOBALS['fd'] = fopen($_SERVER['DOCUMENT_ROOT']."/webadmin/log/" . "error.txt", "a+");
$this->configCurl(CURLOPT_VERBOSE, 1);
$this->configCurl(CURLOPT_STDERR, $GLOBALS['fd']);
}
/*
Set timeout/
*/
$this->setTimeout($this->connect,$this->transfer);
}
/*
Set a curl option
*/
function configCurl($option, $value){
return @curl_setopt ($this->curl, $option, $value);
}
/*
Set curl timeout
*/
function setTimeout($connect=20, $transfer=10) {
$this->configCurl(CURLOPT_CONNECTTIMEOUT, $connect);
$this->configCurl(CURLOPT_TIMEOUT, $transfer);
}
/*
Return curl error
*/
function get_error_code() {
return curl_errno($this->curl) ? curl_error($this->curl) : false;
}
/*
Return page http code
*/
function get_response_code() {
return curl_getinfo($this->curl, CURLINFO_HTTP_CODE);
}
/*
HTTP authentication
*/
function auth($user, $pass) {
$this->authinfo = "$user:$pass";
}
/*
POST function
*/
function post($url, $referer = '', $post_string=null) {
//Reset options (but using same cookie)
$this->__construct();
$this->url = $url;
$this->post_string = $post_string;
//Set curl options
$this->configCurl(CURLOPT_URL, $this->url);
$this->configCurl(CURLOPT_POSTFIELDS, $this->post_string);
if($this->authinfo) {
$this->configCurl(CURLOPT_USERPWD,$this->authinfo);
}
//Set ref
if($referer){
$this->configCurl(CURLOPT_REFERER, $referer);
}
//Do we need to follow manually?
if($this->nofollow) {
$this->configCurl(CURLOPT_FOLLOWLOCATION, false);
} else {
$this->follow_manually = !$this->configCurl(CURLOPT_FOLLOWLOCATION, true);
}
$page = curl_exec($this->curl);
$error = curl_errno($this->curl);
if ($error != CURLE_OK || empty($page)) {
return false;
}
if($this->follow_manually) {
return $this->manual_follow($page);
} else {
return $page;
}
}
/*
GET function
*/
function get($url, $referer = '') {
//Reset options (but using same cookie)
$this->__construct();
//Set curl options
$this->configCurl(CURLOPT_URL, $url);
if($this->authinfo) {
$this->configCurl(CURLOPT_USERPWD,$this->authinfo);
}
//Set ref
if($referer){
$this->configCurl(CURLOPT_REFERER, $referer);
}
//Do we need to follow manually?
if($this->nofollow) {
$this->configCurl(CURLOPT_FOLLOWLOCATION, false);
} else {
$this->follow_manually = !$this->configCurl(CURLOPT_FOLLOWLOCATION, true);
}
$page = curl_exec($this->curl);
$error = curl_errno($this->curl);
if ($error != CURLE_OK || empty($page)) {
return false;
}
if($this->follow_manually) {
return $this->manual_follow($page);
} else {
return $page;
}
}
/*
Read headers to follow a location manually
*/
function manual_follow($page) {
//Check is follow
if(substr($this->get_response_code(),0,2) != "30") {
$this->follow_url = "";
} else {
preg_match("@Location:(.*?)\n@i", $page, $matches);
$this->follow_url = trim($matches[1]);
}
if($this->follow_url) {
return $this->get($this->follow_url);
} else {
return $page;
}
}
};
