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js updates. captcha + change password base

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Malishev Dmitry 2011-12-13 13:09:35 +02:00
commit 52dad1d079
2 changed files with 152 additions and 0 deletions
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94
web/captcha.php Normal file
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<?php
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . 'vesta' . DIRECTORY_SEPARATOR . 'core' . DIRECTORY_SEPARATOR . 'VestaSession.class.php';
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . 'vesta' . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'Config.class.php';
define('V_ROOT_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR . 'vesta' . DIRECTORY_SEPARATOR);
class Captcha
{
protected $width = 200;
protected $image = null;
protected $color1 = null;
protected $color2 = null;
protected $color3 = null;
protected $keyword = '';
public $key_len = 7;
protected $chars = 'qw1e2r3t4y5u67o8p9as9d38f6g4h3j2k1l3z5x7c8v3b5n781234567890';
public function __construct()
{
VestaSession::start();
//var_dump(Config::get('session_dirname'));die();
$this->image = imagecreatetruecolor($this->width, 50);
$this->color1 = imagecolorallocate($this->image, 57, 58, 52);
$this->color2 = imagecolorallocate($this->image, 45, 44, 40);
$this->color3 = imagecolorallocate($this->image, 255, 255, 255);
imagefilledrectangle($this->image, 0, 0, 249, 249, $this->color1);
}
public function generateImage($offset = 0)
{
$values = array(
$offset, 15,
$offset, 40,
$offset + 14, 32,
$offset + 14, 8,
$offset, 15,
$offset, 15
);
imagefilledpolygon($this->image, $values, 6, $this->color2);
}
public function draw()
{
$this->generateKeyword();
for ($i = 0; $i < strlen($this->keyword) -1; $i++) {
$this->generateImage($i * 15);
}
$font_file = dirname(__FILE__).DIRECTORY_SEPARATOR.'css'.DIRECTORY_SEPARATOR.'arialbd.ttf';
imagefttext($this->image, 17, 0, 2, 31, $this->color3, $font_file, $this->keyword);
$this->slice();
}
public function slice()
{
$width = 15;
$height = 50;
$dest = imagecreatetruecolor(15 * $this->key_len + 2 * $this->key_len + 8, $height);
imagefilledrectangle($dest, 0, 0, 249, 249, $this->color1);
for ($i = 0; $i < $this->key_len; $i++) {
$dest_x = $i == 0 ? $i * 15 : $i * 15 + $i * 4;
imagecopy($dest, $this->image, $dest_x, 0, $i * 15, 0, $width, $height);
}
header('Content-type: image/jpeg');
imagepng($dest);
}
/**
*
*/
protected function generateKeyword()
{
$this->keyword = '';
for ($i = 0; $i < $this->key_len; $i++) {
$this->keyword .= $this->chars[rand(0, strlen($this->chars)-1)];
}
$_SESSION['captcha_key'] = $this->keyword;
return $this->keyword;
}
}
$c = new Captcha();
$c->draw();
?>

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web/change_password.php Normal file
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<?php
class ChangePassword
{
public function dispatch()
{
//print_r($_SERVER);
if (empty($_GET['v'])) {
return $this->renderError('General error');
}
$key = $_GET['v'];
$real_key = sha1($_SERVER['HTTP_USER_AGENT'].$_SERVER['REMOTE_ADDR']);
$key_sha1 = substr($key, 0, 10) . substr($key, 20, strlen($key));
$stamp = substr($key, 10, 10);
$allowed = time() - 60 * 5; // - 5 mins
if (strcmp($real_key, $key_sha1) != 0) {
return $this->renderError('Invalid keys');
}
/*if ($stamp < $allowed) {
return $this->renderError('Key is expired');
}*/
$this->showResetForm();
print $key_sha1 . "<br />" . $real_key;
}
public function showResetForm()
{
print <<<HTML
<form action="" >
<input type="hidden" name="action" value="change" />
<label>Enter secret code:</label>
<input type="text" name="secret_code" value="" />
<label>Enter new password:</label>
<input type="text" name="secret_code" value="" />
</form>
HTML;
}
public function renderError($message)
{
print <<<HTML
{$message}
HTML;
}
}
$changePassword = new ChangePassword();
$changePassword->dispatch();
?>