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<?php
/**
*
* @package acp
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*/
/**
* @package acp
*/
class acp_captcha
{
var $u_action;
function main($id, $mode)
{
global $db, $user, $auth, $template;
global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
$user->add_lang('acp/board');
$config_vars = array('enable_confirm' => 'REG_ENABLE',
'enable_post_confirm' => 'POST_ENABLE',
'policy_overlap' => 'OVERLAP_ENABLE',
'policy_overlap_noise_pixel' => 'OVERLAP_NOISE_PIXEL',
'policy_overlap_noise_line' => 'OVERLAP_NOISE_LINE_ENABLE',
'policy_entropy' => 'ENTROPY_ENABLE',
'policy_entropy_noise_pixel' => 'ENTROPY_NOISE_PIXEL',
'policy_entropy_noise_line' => 'ENTROPY_NOISE_LINE_ENABLE',
'policy_shape' => 'SHAPE_ENABLE',
'policy_shape_noise_pixel' => 'SHAPE_NOISE_PIXEL',
'policy_shape_noise_line' => 'SHAPE_NOISE_LINE_ENABLE',
'policy_3dbitmap' => 'THREEDBITMAP_ENABLE',
'policy_cells' => 'CELLS_ENABLE',
'policy_stencil' => 'STENCIL_ENABLE',
'policy_composite' => 'COMPOSITE_ENABLE'
);
$policy_modules = array('policy_entropy', 'policy_3dbitmap', 'policy_overlap', 'policy_shape', 'policy_cells', 'policy_stencil', 'policy_composite');
switch ($mode)
{
case 'visual':
$this->tpl_name = 'acp_captcha';
$this->page_title = 'ACP_VC_SETTINGS';
$submit = request_var('submit', '');
if ($submit)
{
$config_vars = array_keys($config_vars);
foreach ($config_vars as $config_var)
{
set_config($config_var, request_var($config_var, ''));
}
trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
}
else
{
$array = array();
foreach ($config_vars as $config_var => $template_var)
{
$array[$template_var] = $config[$config_var];
}
$template->assign_vars($array);
if (@extension_loaded('gd'))
{
$template->assign_var('GD', true);
foreach ($policy_modules as $module_name)
{
$template->assign_var('U_' . strtoupper($module_name), sprintf($user->lang['CAPTCHA_EXPLAIN'], '<a href="' . append_sid("{$phpbb_root_path}/adm/index.$phpEx", 'i=captcha&mode=img&policy=' . $module_name) . '" target="_blank">', '</a>'));
}
if (function_exists('imagettfbbox') && function_exists('imagettftext'))
{
$template->assign_var('TTF', true);
}
}
}
break;
case 'img':
$policy = request_var('policy', '');
if (!@extension_loaded('gd'))
{
trigger_error($user->lang['NO_GD']);
}
if (($policy !== 'policy_entropy' || $policy !== 'policy_3dbitmap') && !(function_exists('imagettfbbox') && function_exists('imagettftext')))
{
trigger_error($user->lang['NO_TTF']);
}
if (!in_array($policy, $policy_modules))
{
trigger_error($user->lang['BAD_POLICY']);
}
include($phpbb_root_path . 'includes/captcha/captcha_gd.' . $phpEx);
$captcha = new captcha();
$captcha->execute(gen_rand_string(), $policy);
break;
}
}
}
?>
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