class Image_lib {
function open($filename) {
$image_info = getimagesize($filename);
$this->data['type'] = $image_info[2];
if ($this->data['type'] == IMAGETYPE_JPEG) {
$this->data['source'] = imagecreatefromjpeg($filename);
} elseif ($this->data['type'] == IMAGETYPE_GIF) {
$this->data['source'] = imagecreatefromgif($filename);
} elseif ($this->data['type'] == IMAGETYPE_PNG) {
$this->data['source'] = imagecreatefrompng($filename);
}
return $this;
}
/**
* Получение ширины изображения
* @return int
*/
function get_width() {
return imagesx($this->data['source']);
}
/**
* Получение высоты изображения
* @return int
*/
function get_height() {
return imagesy($this->data['source']);
}
/**
* Ресайз до высоты
* @param int $height
* @return mixed
*/
function resize_to_height($height) {
$ratio = $height / $this->get_height();
$width = $this->get_width() * $ratio;
return $this->resize($width, $height);
}
/**
* Ресайз до ширины
* @param int $width
* @return mixed
*/
function resize_to_width($width) {
$ratio = $width / $this->get_width();
$height = $this->get_height() * $ratio;
return $this->resize($width, $height);
}
/**
* Обрезка картинки
* @param int $width
* @param int $height
* @return mixed
*/
function crop($width, $height) {
$current_width = $this->get_width();
$current_height = $this->get_height();
$x = 0;
$y = 0;
if ($current_width / $current_height > $width / $height) {
$this->resize_to_height($height);
$x = ($this->get_width() - $width) / 2;
} else {
$this->resize_to_width($width);
$y = ($this->get_height() - $height) / 2;
}
return $this->resize($width, $height, $x, $y);
}
/**
* Ресайз текущего изображения
* @param int $width
* @param int $height
* @param int $x
* @param int $y
* @return \Image_lib
*/
function resize($width, $height, $x = 0, $y = 0) {
$new_image = imagecreatetruecolor($width, $height);
if ($x == 0 && $y == 0) {
imagecopyresampled($new_image, $this->data['source'], 0, 0, $x, $y, $width, $height, $this->get_width(), $this->get_height());
} else {
imagecopyresampled($new_image, $this->data['source'], 0, 0, $x, $y, $width, $height, $width, $height);
}
$this->data['source'] = $new_image;
return $this;
}
/**
* Сохраняется текущее изображение
*/
function save() {
$path = $this->data['upload_path'];
if ($this->data['type'] == IMAGETYPE_JPEG) {
$res = imagejpeg($this->data['source'], $path, 99);
} elseif ($this->data['type'] == IMAGETYPE_GIF) {
$res = imagegif($this->data['source'], $path);
} elseif ($this->data['type'] == IMAGETYPE_PNG) {
$res = imagepng($this->data['source'], $path);
}
unset($this->data['source'], $this->data['type']);
return $this;
}
}/***********************************************************************
* PHP NTLM GET LOGIN
* Version 0.2
* ====================================================
*
* Copyright (c) 2004 Nicolas GOLLET (Nicolas.gollet@secusquad.com)
* Copyright (c) 2004 Flextronics Saint-Etienne
*
* This program is free software. You can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
***********************************************************************/
/*
L'identification par NTLM se fait en 6 etape :
etape: | type: | Info echange
-------|----------------|--------------------------------------------------
1 | C --> S | GET ... legende : C = Client
-------|----------------|-------------------------------------------------- S = Serveur
2 | C <-- S | 401 Unauthorized
| | WWW-Authenticate: NTLM
-------|----------------|--------------------------------------------------
3 | C --> S | GET ...
| | Authorization: NTLM <base64-encoded type-1-message>
-------|----------------|--------------------------------------------------
4 | C <-- S | 401 Unauthorized
| | WWW-Authenticate: NTLM <base64-encoded type-2-message>
-------|----------------|--------------------------------------------------
5 | C --> S | GET ...
| | Authorization: NTLM <base64-encoded type-3-message>
-------|----------------|--------------------------------------------------
6 | C <-- S | 200 Ok
-------|----------------|--------------------------------------------------
*/
if (!function_exists('getallheaders'))
{
function getallheaders()
{
$headers = '';
foreach ($_SERVER as $name => $value)
{
if (substr($name, 0, 5) == 'HTTP_')
{
$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
}
}
return $headers;
}
}
$headers = getallheaders(); // Recuperation des l'entetes client
if(!isset($headers['Authorization'])){ //si l'entete autorisation est inexistante
header( "HTTP/1.0 401 Unauthorized" ); //envoi au client le mode d'identification
header( "WWW-Authenticate: NTLM" ); //dans notre cas le NTLM
die(); //on quitte
};
if(isset($headers['Authorization'])) //dans le cas d'une authorisation (identification)
{
if(substr($headers['Authorization'],0,5) == 'NTLM '){ // on verifit que le client soit en NTLM
$chaine=$headers['Authorization'];
$chaine=substr($chaine, 5); // recuperation du base64-encoded type1 message
$chained64=base64_decode($chaine); // decodage base64 dans $chained64
if(ord($chained64{8}) == 1){
// |_ byte signifiant l'etape du processus d'identification (etape 3)
// verification du drapeau NTLM "0xb2" a l'offset 13 dans le message type-1-message :
var_dump(ord($chained64[13]));
if (ord($chained64[13]) != 130){
echo "Votre navigateur Internet n'est pas compatible avec le NTLM, utiliser IE...Merci";
exit;
}
$retAuth = "NTLMSSP";
$retAuth .= chr(0);
$retAuth .= chr(2);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(40);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(1);
$retAuth .= chr(130);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(2);
$retAuth .= chr(2);
$retAuth .= chr(2);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth .= chr(0);
$retAuth64 =base64_encode($retAuth); // encode en base64
$retAuth64 = trim($retAuth64); // enleve les espaces de debut et de fin
header( "HTTP/1.0 401 Unauthorized" ); // envoi le nouveau header
header( "WWW-Authenticate: NTLM $retAuth64" ); // avec l'identification supplementaire
exit;
}
else if(ord($chained64{8}) == 3)
{
// |_ byte signifiant l'etape du processus d'identification (etape 5)
// on recupere le domaine
$lenght_domain = (ord($chained64[31])*256 + ord($chained64[30])); // longueur du domain
$offset_domain = (ord($chained64[33])*256 + ord($chained64[32])); // position du domain.
$domain = substr($chained64, $offset_domain, $lenght_domain); // decoupage du du domain
//le login
$lenght_login = (ord($chained64[39])*256 + ord($chained64[38])); // longueur du login.
$offset_login = (ord($chained64[41])*256 + ord($chained64[40])); // position du login.
$login = substr($chained64, $offset_login, $lenght_login); // decoupage du login
// l'host
$lenght_host = (ord($chained64[47])*256 + ord($chained64[46])); // longueur de l'host.
$offset_host = (ord($chained64[49])*256 + ord($chained64[48])); // position de l'host.
$host = substr($chained64, $offset_host, $lenght_host); // decoupage du l'host
echo "Domain is : $domain <br>";
echo "<br>Login is : $login <br>";
echo "<br>host is : $host <br>";
}
}
}