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-rw-r--r--phpBB/includes/captcha/plugins/captcha_abstract.php282
1 files changed, 0 insertions, 282 deletions
diff --git a/phpBB/includes/captcha/plugins/captcha_abstract.php b/phpBB/includes/captcha/plugins/captcha_abstract.php
deleted file mode 100644
index 4f494b9c69..0000000000
--- a/phpBB/includes/captcha/plugins/captcha_abstract.php
+++ /dev/null
@@ -1,282 +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 CAPTCHAs.
-*/
-abstract class phpbb_default_captcha implements phpbb_captcha_plugin
-{
- protected $confirm_id;
- protected $confirm_code;
- protected $code;
- protected $seed;
- protected $type;
- protected $solved = false;
-
- protected $min_chars = 4;
- protected $max_chars = 7;
-
- function init($type)
- {
- // read input
- $this->confirm_id = request_var('confirm_id', '');
- $this->confirm_code = request_var('confirm_code', '');
- $this->type = (int) $type;
-
- if (!strlen($this->confirm_id))
- {
- // we have no confirm ID, better get ready to display something
- $this->generate_code();
- }
- }
-
- function execute_demo()
- {
- $this->code = gen_rand_string(mt_rand($this->min_chars, $this->max_chars));
- $this->seed = hexdec(substr(unique_id(), 4, 10));
-
- // compute $seed % 0x7fffffff
- $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
- captcha::execute($this->code, $this->seed);
- }
-
-
- function execute()
- {
- if (empty($this->code))
- {
- if (!$this->load_code())
- {
- // invalid request, bail out
- return false;
- }
- }
- captcha::execute($this->code, $this->seed);
- }
-
-
- function get_template()
- {
- phpbb::$template->set_filenames(array(
- 'captcha' => 'captcha_default.html',
- ));
-
- phpbb::$template->assign_vars(array(
- 'CONFIRM_IMAGE' => append_sid('ucp', 'mode=confirm&amp;confirm_id=' . $this->confirm_id . '&amp;type=' . $this->type),
- 'CONFIRM_ID' => $this->confirm_id,
- ));
-
- return phpbb::$template->assign_display('captcha');
- }
-
- function get_demo_template($id)
- {
- phpbb::$template->set_filenames(array(
- 'captcha_demo' => 'captcha_default_acp_demo.html',
- ));
- // acp_captcha has a delivery function; let's use it
- phpbb::$template->assign_vars(array(
- 'CONFIRM_IMAGE' => append_sid(PHPBB_ADMIN_PATH . 'index.' . PHP_EXT, 'captcha_demo=1&amp;mode=visual&amp;i=' . $id . '&amp;select_captcha=' . $this->get_class_name()),
- 'CONFIRM_ID' => $this->confirm_id,
- ));
-
- return phpbb::$template->assign_display('captcha_demo');
- }
-
- function get_hidden_fields()
- {
- $hidden_fields = array();
-
- // this is required for postig.php - otherwise we would forget about the captcha being already solved
- if ($this->solved)
- {
- $hidden_fields['confirm_code'] = $this->confirm_code;
- }
- $hidden_fields['confirm_id'] = $this->confirm_id;
- return $hidden_fields;
- }
-
- static function garbage_collect($type)
- {
- $sql = 'SELECT DISTINCT c.session_id
- FROM ' . CONFIRM_TABLE . ' c
- LEFT JOIN ' . SESSIONS_TABLE . ' s ON (c.session_id = s.session_id)
- WHERE s.session_id IS NULL' .
- ((empty($type)) ? '' : ' AND c.confirm_type = ' . (int) $type);
- $result = phpbb::$db->sql_query($sql);
-
- if ($row = phpbb::$db->sql_fetchrow($result))
- {
- $sql_in = array();
- do
- {
- $sql_in[] = (string) $row['session_id'];
- }
- while ($row = phpbb::$db->sql_fetchrow($result));
-
- if (sizeof($sql_in))
- {
- $sql = 'DELETE FROM ' . CONFIRM_TABLE . '
- WHERE ' . phpbb::$db->sql_in_set('session_id', $sql_in);
- phpbb::$db->sql_query($sql);
- }
- }
- phpbb::$db->sql_freeresult($result);
- }
-
- function uninstall()
- {
- self::garbage_collect(0);
- }
-
- function install()
- {
- return;
- }
-
- function validate()
- {
- $this->confirm_code = request_var('confirm_code', '');
-
- if (!$this->confirm_id)
- {
- $error = phpbb::$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
- {
- $error = phpbb::$user->lang['CONFIRM_CODE_WRONG'];
- }
- }
-
- if (strlen($error))
- {
- // okay, inorect answer. Let's ask a new question
- $this->generate_code();
- return $error;
- }
- else
- {
- return false;
- }
- }
-
-
- /**
- * The old way to generate code, suitable for GD and non-GD. Resets the internal state.
- */
- protected function generate_code()
- {
- $this->code = gen_rand_string(mt_rand($this->min_chars, $this->max_chars));
- $this->confirm_id = md5(unique_id(phpbb::$user->ip));
- $this->seed = hexdec(substr(unique_id(), 4, 10));
- $this->solved = false;
-
- // compute $seed % 0x7fffffff
- $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);
-
- $sql = 'INSERT INTO ' . CONFIRM_TABLE . ' ' . phpbb::$db->sql_build_array('INSERT', array(
- 'confirm_id' => (string) $this->confirm_id,
- 'session_id' => (string) phpbb::$user->session_id,
- 'confirm_type' => (int) $this->type,
- 'code' => (string) $this->code,
- 'seed' => (int) $this->seed)
- );
- phpbb::$db->sql_query($sql);
- }
-
- /**
- * Look up everything we need for painting&checking.
- */
- protected function load_code()
- {
- $sql = 'SELECT code, seed
- FROM ' . CONFIRM_TABLE . "
- WHERE confirm_id = '" . phpbb::$db->sql_escape($this->confirm_id) . "'
- AND session_id = '" . phpbb::$db->sql_escape(phpbb::$user->session_id) . "'
- AND confirm_type = " . $this->type;
- $result = phpbb::$db->sql_query($sql);
- $row = phpbb::$db->sql_fetchrow($result);
- phpbb::$db->sql_freeresult($result);
- if ($row)
- {
- $this->code = $row['code'];
- $this->seed = $row['seed'];
- return true;
- }
- return false;
-
- }
-
- protected function check_code()
- {
- if (empty($this->code))
- {
- if (!$this->load_code())
- {
- return false;
- }
- }
- return (strcasecmp($this->code, $this->confirm_code) === 0);
- }
-
- protected function delete_code()
- {
- $sql = 'DELETE FROM ' . CONFIRM_TABLE . "
- WHERE confirm_id = '" . phpbb::$db->sql_escape($this->confirm_id) . "'
- AND session_id = '" . phpbb::$db->sql_escape(phpbb::$user->session_id) . "'
- AND confirm_type = " . $this->type;
- phpbb::$db->sql_query($sql);
- }
-
- function get_attempt_count()
- {
- $sql = 'SELECT COUNT(session_id) AS attempts
- FROM ' . CONFIRM_TABLE . "
- WHERE session_id = '" . phpbb::$db->sql_escape(phpbb::$user->session_id) . "'
- AND confirm_type = " . $this->type;
- $result = phpbb::$db->sql_query($sql);
- $attempts = (int) phpbb::$db->sql_fetchfield('attempts');
- phpbb::$db->sql_freeresult($result);
-
- return $attempts;
- }
-
-
- function reset()
- {
- $sql = 'DELETE FROM ' . CONFIRM_TABLE . "
- WHERE session_id = '" . phpbb::$db->sql_escape(phpbb::$user->session_id) . "'
- AND confirm_type = " . (int) $this->type;
- phpbb::$db->sql_query($sql);
-
- // we leave the class usable by generating a new question
- $this->generate_code();
- }
-
-}
-
-?> \ No newline at end of file
generated by cgit v1.2.1 (git 2.21.0) at 2025-10-09 12:43:01 +0000