1 files changed, 0 insertions, 380 deletions
diff --git a/phpBB/includes/captcha/plugins/captcha_abstract.php b/phpBB/includes/captcha/plugins/captcha_abstract.php
deleted file mode 100644
index 21cacd730c..0000000000
--- a/phpBB/includes/captcha/plugins/captcha_abstract.php
+++ /dev/null
@@ -1,380 +0,0 @@
-<?php
-/**
-*
-* @package VC
-* @version $Id$
-* @copyright (c) 2006, 2008 phpBB Group
-* @license http://opensource.org/licenses/gpl-license.php GNU Public License
-*
-*/
-
-/**
-* @ignore
-*/
-if (!defined('IN_PHPBB'))
-{
-	exit;
-}
-
-
-/**
-* This class holds the code shared by the two default 3.0.x CAPTCHAs.
-*
-* @package VC
-*/
-class phpbb_default_captcha
-{
-	var $confirm_id;
-	var $confirm_code;
-	var $code;
-	var $seed;
-	var $attempts = 0;
-	var $type;
-	var $solved = 0;
-	var $captcha_vars = false;
-
-	function init($type)
-	{
-		global $config, $db, $user;
-
-		// read input
-		$this->confirm_id = request_var('confirm_id', '');
-		$this->confirm_code = request_var('confirm_code', '');
-		$refresh = request_var('refresh_vc', false) && $config['confirm_refresh'];
-
-		$this->type = (int) $type;
-
-		if (!strlen($this->confirm_id) || !$this->load_code())
-		{
-			// we have no confirm ID, better get ready to display something
-			$this->generate_code();
-		}
-		else if ($refresh)
-		{
-			$this->regenerate_code();
-		}
-	}
-
-	function execute_demo()
-	{
-		global $user;
-
-		$this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));
-		$this->seed = hexdec(substr(unique_id(), 4, 10));
-
-		// compute $seed % 0x7fffffff
-		$this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
-		$captcha = new captcha();
-		define('IMAGE_OUTPUT', 1);
-		$captcha->execute($this->code, $this->seed);
-	}
-
-	function execute()
-	{
-		if (empty($this->code))
-		{
-			if (!$this->load_code())
-			{
-				// invalid request, bail out
-				return false;
-			}
-		}
-		$captcha = new captcha();
-		define('IMAGE_OUTPUT', 1);
-		$captcha->execute($this->code, $this->seed);
-	}
-
-	function get_template()
-	{
-		global $config, $user, $template, $phpEx, $phpbb_root_path;
-
-		if ($this->is_solved())
-		{
-			return false;
-		}
-		else
-		{
-			$link = append_sid($phpbb_root_path . 'ucp.' . $phpEx,  'mode=confirm&amp;confirm_id=' . $this->confirm_id . '&amp;type=' . $this->type);
-			$explain = $user->lang(($this->type != CONFIRM_POST) ? 'CONFIRM_EXPLAIN' : 'POST_CONFIRM_EXPLAIN', '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>');
-
-			$template->assign_vars(array(
-				'CONFIRM_IMAGE_LINK'		=> $link,
-				'CONFIRM_IMAGE'				=> '<img src="' . $link . '" />',
-				'CONFIRM_IMG'				=> '<img src="' . $link . '" />',
-				'CONFIRM_ID'				=> $this->confirm_id,
-				'S_CONFIRM_CODE'			=> true,
-				'S_TYPE'					=> $this->type,
-				'S_CONFIRM_REFRESH'			=> ($config['enable_confirm'] && $config['confirm_refresh'] && $this->type == CONFIRM_REG) ? true : false,
-				'L_CONFIRM_EXPLAIN'			=> $explain,
-			));
-
-			return 'captcha_default.html';
-		}
-	}
-
-	function get_demo_template($id)
-	{
-		global $config, $user, $template, $phpbb_admin_path, $phpEx;
-
-		$variables = '';
-
-		if (is_array($this->captcha_vars))
-		{
-			foreach ($this->captcha_vars as $captcha_var => $template_var)
-			{
-				$variables .= '&amp;' . rawurlencode($captcha_var) . '=' . request_var($captcha_var, (int) $config[$captcha_var]);
-			}
-		}
-
-		// acp_captcha has a delivery function; let's use it
-		$template->assign_vars(array(
-			'CONFIRM_IMAGE'		=> append_sid($phpbb_admin_path . 'index.' . $phpEx, 'captcha_demo=1&amp;mode=visual&amp;i=' . $id . '&amp;select_captcha=' . $this->get_class_name()) . $variables,
-			'CONFIRM_ID'		=> $this->confirm_id,
-		));
-
-		return 'captcha_default_acp_demo.html';
-	}
-
-	function get_hidden_fields()
-	{
-		$hidden_fields = array();
-
-		// this is required for posting.php - otherwise we would forget about the captcha being already solved
-		if ($this->solved)
-		{
-			$hidden_fields['confirm_code'] = $this->confirm_code;
-		}
-		$hidden_fields['confirm_id'] = $this->confirm_id;
-		return $hidden_fields;
-	}
-
-	function garbage_collect($type)
-	{
-		global $db, $config;
-
-		$sql = 'SELECT DISTINCT c.session_id
-			FROM ' . CONFIRM_TABLE . ' c
-			LEFT JOIN ' . SESSIONS_TABLE . ' s ON (c.session_id = s.session_id)
-			WHERE s.session_id IS NULL' .
-				((empty($type)) ? '' : ' AND c.confirm_type = ' . (int) $type);
-		$result = $db->sql_query($sql);
-
-		if ($row = $db->sql_fetchrow($result))
-		{
-			$sql_in = array();
-			do
-			{
-				$sql_in[] = (string) $row['session_id'];
-			}
-			while ($row = $db->sql_fetchrow($result));
-
-			if (sizeof($sql_in))
-			{
-				$sql = 'DELETE FROM ' . CONFIRM_TABLE . '
-					WHERE ' . $db->sql_in_set('session_id', $sql_in);
-				$db->sql_query($sql);
-			}
-		}
-		$db->sql_freeresult($result);
-	}
-
-	function uninstall()
-	{
-		$this->garbage_collect(0);
-	}
-
-	function install()
-	{
-		return;
-	}
-
-	function validate()
-	{
-		global $config, $db, $user;
-
-		if (empty($user->lang))
-		{
-			$user->setup();
-		}
-
-		$error = '';
-		if (!$this->confirm_id)
-		{
-			$error = $user->lang['CONFIRM_CODE_WRONG'];
-		}
-		else
-		{
-			if ($this->check_code())
-			{
-				// $this->delete_code(); commented out to allow posting.php to repeat the question
-				$this->solved = true;
-			}
-			else
-			{
-				$error = $user->lang['CONFIRM_CODE_WRONG'];
-			}
-		}
-
-		if (strlen($error))
-		{
-			// okay, incorrect answer. Let's ask a new question.
-			$this->new_attempt();
-			return $error;
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	/**
-	* The old way to generate code, suitable for GD and non-GD. Resets the internal state.
-	*/
-	function generate_code()
-	{
-		global $db, $user;
-
-		$this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));
-		$this->confirm_id = md5(unique_id($user->ip));
-		$this->seed = hexdec(substr(unique_id(), 4, 10));
-		$this->solved = 0;
-		// compute $seed % 0x7fffffff
-		$this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
-		$sql = 'INSERT INTO ' . CONFIRM_TABLE . ' ' . $db->sql_build_array('INSERT', array(
-				'confirm_id'	=> (string) $this->confirm_id,
-				'session_id'	=> (string) $user->session_id,
-				'confirm_type'	=> (int) $this->type,
-				'code'			=> (string) $this->code,
-				'seed'			=> (int) $this->seed)
-		);
-		$db->sql_query($sql);
-	}
-
-	/**
-	* New Question, if desired.
-	*/
-	function regenerate_code()
-	{
-		global $db, $user;
-
-		$this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));
-		$this->seed = hexdec(substr(unique_id(), 4, 10));
-		$this->solved = 0;
-		// compute $seed % 0x7fffffff
-		$this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
-		$sql = 'UPDATE ' . CONFIRM_TABLE . ' SET ' . $db->sql_build_array('UPDATE', array(
-				'code'			=> (string) $this->code,
-				'seed'			=> (int) $this->seed)) . '
-				WHERE
-				confirm_id = \'' . $db->sql_escape($this->confirm_id) . '\'
-					AND session_id = \'' . $db->sql_escape($user->session_id) . '\'';
-		$db->sql_query($sql);
-	}
-
-	/**
-	* New Question, if desired.
-	*/
-	function new_attempt()
-	{
-		global $db, $user;
-
-		$this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));
-		$this->seed = hexdec(substr(unique_id(), 4, 10));
-		$this->solved = 0;
-		// compute $seed % 0x7fffffff
-		$this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
-		$sql = 'UPDATE ' . CONFIRM_TABLE . ' SET ' . $db->sql_build_array('UPDATE', array(
-				'code'			=> (string) $this->code,
-				'seed'			=> (int) $this->seed)) . '
-				, attempts = attempts + 1
-				WHERE
-				confirm_id = \'' . $db->sql_escape($this->confirm_id) . '\'
-					AND session_id = \'' . $db->sql_escape($user->session_id) . '\'';
-		$db->sql_query($sql);
-	}
-
-	/**
-	* Look up everything we need for painting&checking.
-	*/
-	function load_code()
-	{
-		global $db, $user;
-
-		$sql = 'SELECT code, seed, attempts
-			FROM ' . CONFIRM_TABLE . "
-			WHERE confirm_id = '" . $db->sql_escape($this->confirm_id) . "'
-				AND session_id = '" . $db->sql_escape($user->session_id) . "'
-				AND confirm_type = " . $this->type;
-		$result = $db->sql_query($sql);
-		$row = $db->sql_fetchrow($result);
-		$db->sql_freeresult($result);
-
-		if ($row)
-		{
-			$this->code = $row['code'];
-			$this->seed = $row['seed'];
-			$this->attempts = $row['attempts'];
-			return true;
-		}
-
-		return false;
-	}
-
-	function check_code()
-	{
-		return (strcasecmp($this->code, $this->confirm_code) === 0);
-	}
-
-	function delete_code()
-	{
-		global $db, $user;
-
-		$sql = 'DELETE FROM ' . CONFIRM_TABLE . "
-			WHERE confirm_id = '" . $db->sql_escape($confirm_id) . "'
-				AND session_id = '" . $db->sql_escape($user->session_id) . "'
-				AND confirm_type = " . $this->type;
-		$db->sql_query($sql);
-	}
-
-	function get_attempt_count()
-	{
-		return $this->attempts;
-	}
-
-	function reset()
-	{
-		global $db, $user;
-
-		$sql = 'DELETE FROM ' . CONFIRM_TABLE . "
-			WHERE session_id = '" . $db->sql_escape($user->session_id) . "'
-				AND confirm_type = " . (int) $this->type;
-		$db->sql_query($sql);
-
-		// we leave the class usable by generating a new question
-		$this->generate_code();
-	}
-
-	function is_solved()
-	{
-		if (request_var('confirm_code', false) && $this->solved === 0)
-		{
-			$this->validate();
-		}
-		return (bool) $this->solved;
-	}
-
-	/**
-	*  API function
-	*/
-	function has_config()
-	{
-		return false;
-	}
-
-}
-
-?>
-\ No newline at end of file