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msd2/phpBB3/phpbb/captcha/plugins/gd.php

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+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\captcha\plugins;
+
+class gd extends captcha_abstract
+{
+	var $captcha_vars = array(
+		'captcha_gd_x_grid'				=> 'CAPTCHA_GD_X_GRID',
+		'captcha_gd_y_grid'				=> 'CAPTCHA_GD_Y_GRID',
+		'captcha_gd_foreground_noise'	=> 'CAPTCHA_GD_FOREGROUND_NOISE',
+//		'captcha_gd'					=> 'CAPTCHA_GD_PREVIEWED',
+		'captcha_gd_wave'				=> 'CAPTCHA_GD_WAVE',
+		'captcha_gd_3d_noise'			=> 'CAPTCHA_GD_3D_NOISE',
+		'captcha_gd_fonts'				=> 'CAPTCHA_GD_FONTS',
+	);
+
+	public function is_available()
+	{
+		return @extension_loaded('gd');
+	}
+
+	/**
+	* @return string the name of the class used to generate the captcha
+	*/
+	function get_generator_class()
+	{
+		return '\\phpbb\\captcha\\gd';
+	}
+
+	/**
+	*  API function
+	*/
+	function has_config()
+	{
+		return true;
+	}
+
+	public function get_name()
+	{
+		return 'CAPTCHA_GD';
+	}
+
+	function acp_page($id, &$module)
+	{
+		global $user, $template, $phpbb_log, $request;
+		global $config;
+
+		$user->add_lang('acp/board');
+
+		$module->tpl_name = 'captcha_gd_acp';
+		$module->page_title = 'ACP_VC_SETTINGS';
+		$form_key = 'acp_captcha';
+		add_form_key($form_key);
+
+		$submit = $request->variable('submit', '');
+
+		if ($submit && check_form_key($form_key))
+		{
+			$captcha_vars = array_keys($this->captcha_vars);
+			foreach ($captcha_vars as $captcha_var)
+			{
+				$value = $request->variable($captcha_var, 0);
+				if ($value >= 0)
+				{
+					$config->set($captcha_var, $value);
+				}
+			}
+
+			$phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_CONFIG_VISUAL');
+			trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($module->u_action));
+		}
+		else if ($submit)
+		{
+			trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action));
+		}
+		else
+		{
+			foreach ($this->captcha_vars as $captcha_var => $template_var)
+			{
+				$var = (isset($_REQUEST[$captcha_var])) ? $request->variable($captcha_var, 0) : $config[$captcha_var];
+				$template->assign_var($template_var, $var);
+			}
+
+			$template->assign_vars(array(
+				'CAPTCHA_PREVIEW'	=> $this->get_demo_template($id),
+				'CAPTCHA_NAME'		=> $this->get_service_name(),
+				'U_ACTION'			=> $module->u_action,
+			));
+		}
+	}
+
+	function execute_demo()
+	{
+		global $config, $request;
+
+		$config_old = $config;
+
+		$config = new \phpbb\config\config(array());
+		foreach ($config_old as $key => $value)
+		{
+			$config->set($key, $value);
+		}
+
+		foreach ($this->captcha_vars as $captcha_var => $template_var)
+		{
+			$config->set($captcha_var, $request->variable($captcha_var, (int) $config[$captcha_var]));
+		}
+		parent::execute_demo();
+		$config = $config_old;
+	}
+
+}