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[enh] Add captcha plugin.

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opi 2014-07-20 13:52:39 +02:00
parent 762c296229
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25
sources/lib/plugins/captcha/README Normal file
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captcha Plugin for DokuWiki
All documentation for this plugin can be found at
http://www.dokuwiki.org/plugin:captcha
If you install this plugin manually, make sure it is installed in
lib/plugins/captcha/ - if the folder is called different it
will not work!
Please refer to http://www.dokuwiki.org/plugins for additional info
on how to install plugins in DokuWiki.
----
Copyright (C) Andreas Gohr <andi@splitbrain.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
See the COPYING file in your DokuWiki folder for details

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<?php
/**
* CAPTCHA antispam plugin
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <gohr@cosmocode.de>
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'action.php');
class action_plugin_captcha extends DokuWiki_Action_Plugin {
/**
* register the eventhandlers
*/
function register(&$controller) {
$controller->register_hook(
'ACTION_ACT_PREPROCESS',
'BEFORE',
$this,
'handle_act_preprocess',
array()
);
// old hook
$controller->register_hook(
'HTML_EDITFORM_INJECTION',
'BEFORE',
$this,
'handle_editform_output',
array('editform' => true, 'oldhook' => true)
);
// new hook
$controller->register_hook(
'HTML_EDITFORM_OUTPUT',
'BEFORE',
$this,
'handle_editform_output',
array('editform' => true, 'oldhook' => false)
);
if($this->getConf('regprotect')) {
// old hook
$controller->register_hook(
'HTML_REGISTERFORM_INJECTION',
'BEFORE',
$this,
'handle_editform_output',
array('editform' => false, 'oldhook' => true)
);
// new hook
$controller->register_hook(
'HTML_REGISTERFORM_OUTPUT',
'BEFORE',
$this,
'handle_editform_output',
array('editform' => false, 'oldhook' => false)
);
}
}
/**
* Will intercept the 'save' action and check for CAPTCHA first.
*/
function handle_act_preprocess(&$event, $param) {
$act = $this->_act_clean($event->data);
if(!('save' == $act || ($this->getConf('regprotect') &&
'register' == $act &&
$_POST['save']))
) {
return; // nothing to do for us
}
// do nothing if logged in user and no CAPTCHA required
if(!$this->getConf('forusers') && $_SERVER['REMOTE_USER']) {
return;
}
// check captcha
$helper = plugin_load('helper', 'captcha');
if(!$helper->check()) {
if($act == 'save') {
// stay in preview mode
$event->data = 'preview';
} else {
// stay in register mode, but disable the save parameter
$_POST['save'] = false;
}
}
}
/**
* Create the additional fields for the edit form
*/
function handle_editform_output(&$event, $param) {
// check if source view -> no captcha needed
if(!$param['oldhook']) {
// get position of submit button
$pos = $event->data->findElementByAttribute('type', 'submit');
if(!$pos) return; // no button -> source view mode
} elseif($param['editform'] && !$event->data['writable']) {
if($param['editform'] && !$event->data['writable']) return;
}
// do nothing if logged in user and no CAPTCHA required
if(!$this->getConf('forusers') && $_SERVER['REMOTE_USER']) {
return;
}
// get the CAPTCHA
$helper = plugin_load('helper', 'captcha');
$out = $helper->getHTML();
if($param['oldhook']) {
// old wiki - just print
echo $out;
} else {
// new wiki - insert at correct position
$event->data->insertElement($pos++, $out);
}
}
/**
* Pre-Sanitize the action command
*
* Similar to act_clean in action.php but simplified and without
* error messages
*/
function _act_clean($act) {
// check if the action was given as array key
if(is_array($act)) {
list($act) = array_keys($act);
}
//remove all bad chars
$act = strtolower($act);
$act = preg_replace('/[^a-z_]+/', '', $act);
return $act;
}
}

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<?php
/**
* Options for the CAPTCHA plugin
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$conf['mode'] = 'js';
$conf['forusers'] = 0;
$conf['regprotect'] = 1;
$conf['lettercount'] = 5;
$conf['width'] = 115;
$conf['height'] = 22;
$conf['question'] = 'What\'s the answer to life, the universe and everything?';
$conf['answer'] = '42';

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<?php
/**
* Options for the CAPTCHA plugin
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$meta['mode'] = array('multichoice', '_choices' => array('js', 'text', 'math', 'question', 'image', 'audio', 'figlet'));
$meta['regprotect'] = array('onoff');
$meta['forusers'] = array('onoff');
$meta['lettercount'] = array('numeric', '_min' => 3, '_max' => 16);
$meta['width'] = array('numeric', '_pattern' => '/[0-9]+/');
$meta['height'] = array('numeric', '_pattern' => '/[0-9]+/');
$meta['question'] = array('string');
$meta['answer'] = array('string');

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169
sources/lib/plugins/captcha/figlet.php Normal file
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<?php
/* _ _____ _ _ _
* ___ | |_ ___ | __||_| ___ | | ___ | |_
* | . || || . || __|| || . || || -_|| _|
* | _||_|_|| _||__| |_||_ ||_||___||_|
* |_| |_| |___|
*
* Author : Lucas Baltes (lucas@thebobo.com)
* $Author: lhb $
*
* Website : http://www.thebobo.com/
*
* Date : $Date: 2003/03/16 10:08:01 $
* Rev : $Revision: 1.0 $
*
* Copyright: 2003 - Lucas Baltes
* License : GPL - http://www.gnu.org/licenses/gpl.html
*
* Purpose : Figlet font class
*
* Comments : phpFiglet is a php class to somewhat recreate the
* functionality provided by the original figlet program
* (http://www.figlet.org/). It does not (yet) support the
* more advanced features like kerning or smushing. It can
* use the same (flf2a) fonts as the original figlet program
* (see their website for more fonts).
*
* Usage : $phpFiglet = new phpFiglet();
*
* if ($phpFiglet->loadFont("fonts/standard.flf")) {
* $phpFiglet->display("Hello World");
* } else {
* trigger_error("Could not load font file");
* }
*
*/
class phpFiglet
{
/*
* Internal variables
*/
var $signature;
var $hardblank;
var $height;
var $baseline;
var $maxLenght;
var $oldLayout;
var $commentLines;
var $printDirection;
var $fullLayout;
var $codeTagCount;
var $fontFile;
/*
* Contructor
*/
function phpFiglet()
{
}
/*
* Load an flf font file. Return true on success, false on error.
*/
function loadfont($fontfile)
{
$this->fontFile = @file($fontfile);
if (!$this->fontFile) return false;
$hp = explode(" ", $this->fontFile[0]); // get header
$this->signature = substr($hp[0], 0, strlen($hp[0]) -1);
$this->hardblank = substr($hp[0], strlen($hp[0]) -1, 1);
$this->height = $hp[1];
$this->baseline = $hp[2];
$this->maxLenght = $hp[3];
$this->oldLayout = $hp[4];
$this->commentLines = $hp[5] + 1;
$this->printDirection = $hp[6];
$this->fullLayout = $hp[7];
$this->codeTagCount = $hp[8];
unset($hp);
if ($this->signature != "flf2a") {
return false;
} else {
return true;
}
}
/*
* Get a character as a string, or an array with one line
* for each font height.
*/
function getCharacter($character, $asarray = false)
{
$asciValue = ord($character);
$start = $this->commentLines + ($asciValue - 32) * $this->height;
$data = ($asarray) ? array() : "";
for ($a = 0; $a < $this->height; $a++)
{
$tmp = $this->fontFile[$start + $a];
$tmp = str_replace("@", "", $tmp);
//$tmp = trim($tmp);
$tmp = str_replace($this->hardblank, " ", $tmp);
if ($asarray) {
$data[] = $tmp;
} else {
$data .= $tmp;
}
}
return $data;
}
/*
* Returns a figletized line of characters.
*/
function fetch($line)
{
$ret = "";
for ($i = 0; $i < (strlen($line)); $i++)
{
$data[] = $this->getCharacter($line[$i], true);
}
@reset($data);
for ($i = 0; $i < $this->height; $i++)
{
while (list($k, $v) = each($data))
{
$ret .= str_replace("\n", "", $v[$i]);
}
reset($data);
$ret .= "\n";
}
return $ret;
}
/*
* Display (print) a figletized line of characters.
*/
function display($line)
{
print $this->fetch($line);
}
}
?>

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All fonts placed in this directory will be used randomly for the image captcha.
The more and exotic fonts you use, the harder it will be to OCR. However you
should be aware that most fonts are very hard to read when used for small sizes.
Provided fonts:
VeraSe.ttf - Bitsream Vera, http://www-old.gnome.org/fonts/
Rufscript010.ttf - Rufscript, http://openfontlibrary.org/en/font/rufscript

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC.'lib/plugins/');
require_once(DOKU_INC.'inc/blowfish.php');
class helper_plugin_captcha extends DokuWiki_Plugin {
protected $field_in = 'plugin__captcha';
protected $field_sec = 'plugin__captcha_secret';
protected $field_hp = 'plugin__captcha_honeypot';
/**
* Constructor. Initializes field names
*/
public function __construct() {
$this->field_in = md5($this->_fixedIdent().$this->field_in);
$this->field_sec = md5($this->_fixedIdent().$this->field_sec);
$this->field_hp = md5($this->_fixedIdent().$this->field_hp);
}
/**
* Check if the CAPTCHA should be used. Always check this before using the methods below.
*
* @return bool true when the CAPTCHA should be used
*/
public function isEnabled() {
if(!$this->getConf('forusers') && $_SERVER['REMOTE_USER']) return false;
return true;
}
/**
* Returns the HTML to display the CAPTCHA with the chosen method
*/
public function getHTML() {
global $ID;
$rand = (float) (rand(0, 10000)) / 10000;
if($this->getConf('mode') == 'math') {
$code = $this->_generateMATH($this->_fixedIdent(), $rand);
$code = $code[0];
$text = $this->getLang('fillmath');
} elseif($this->getConf('mode') == 'question') {
$text = $this->getConf('question');
} else {
$code = $this->_generateCAPTCHA($this->_fixedIdent(), $rand);
$text = $this->getLang('fillcaptcha');
}
$secret = $this->encrypt($rand);
$txtlen = $this->getConf('lettercount');
$out = '';
$out .= '<div id="plugin__captcha_wrapper">';
$out .= '<input type="hidden" name="'.$this->field_sec.'" value="'.hsc($secret).'" />';
$out .= '<label for="plugin__captcha">'.$text.'</label> ';
switch($this->getConf('mode')) {
case 'math':
case 'text':
$out .= $this->_obfuscateText($code);
break;
case 'js':
$out .= '<span id="plugin__captcha_code">'.$this->_obfuscateText($code).'</span>';
break;
case 'image':
$out .= '<img src="'.DOKU_BASE.'lib/plugins/captcha/img.php?secret='.rawurlencode($secret).'&amp;id='.$ID.'" '.
' width="'.$this->getConf('width').'" height="'.$this->getConf('height').'" alt="" /> ';
break;
case 'audio':
$out .= '<img src="'.DOKU_BASE.'lib/plugins/captcha/img.php?secret='.rawurlencode($secret).'&amp;id='.$ID.'" '.
' width="'.$this->getConf('width').'" height="'.$this->getConf('height').'" alt="" /> ';
$out .= '<a href="'.DOKU_BASE.'lib/plugins/captcha/wav.php?secret='.rawurlencode($secret).'&amp;id='.$ID.'"'.
' class="JSnocheck" title="'.$this->getLang('soundlink').'">';
$out .= '<img src="'.DOKU_BASE.'lib/plugins/captcha/sound.png" width="16" height="16"'.
' alt="'.$this->getLang('soundlink').'" /></a>';
break;
case 'figlet':
require_once(dirname(__FILE__).'/figlet.php');
$figlet = new phpFiglet();
if($figlet->loadfont(dirname(__FILE__).'/figlet.flf')) {
$out .= '<pre>';
$out .= rtrim($figlet->fetch($code));
$out .= '</pre>';
} else {
msg('Failed to load figlet.flf font file. CAPTCHA broken', -1);
}
break;
}
$out .= ' <input type="text" size="'.$txtlen.'" name="'.$this->field_in.'" class="edit" /> ';
// add honeypot field
$out .= '<label class="no">'.$this->getLang('honeypot').'<input type="text" name="'.$this->field_hp.'" /></label>';
$out .= '</div>';
return $out;
}
/**
* Checks if the the CAPTCHA was solved correctly
*
* @param bool $msg when true, an error will be signalled through the msg() method
* @return bool true when the answer was correct, otherwise false
*/
public function check($msg = true) {
// compare provided string with decrypted captcha
$rand = $this->decrypt($_REQUEST[$this->field_sec]);
if($this->getConf('mode') == 'math') {
$code = $this->_generateMATH($this->_fixedIdent(), $rand);
$code = $code[1];
} elseif($this->getConf('mode') == 'question') {
$code = $this->getConf('answer');
} else {
$code = $this->_generateCAPTCHA($this->_fixedIdent(), $rand);
}
if(!$_REQUEST[$this->field_sec] ||
!$_REQUEST[$this->field_in] ||
utf8_strtolower($_REQUEST[$this->field_in]) != utf8_strtolower($code) ||
trim($_REQUEST[$this->field_hp]) !== ''
) {
if($msg) msg($this->getLang('testfailed'), -1);
return false;
}
return true;
}
/**
* Build a semi-secret fixed string identifying the current page and user
*
* This string is always the same for the current user when editing the same
* page revision, but only for one day. Editing a page before midnight and saving
* after midnight will result in a failed CAPTCHA once, but makes sure it can
* not be reused which is especially important for the registration form where the
* $ID usually won't change.
*
* @return string
*/
public function _fixedIdent() {
global $ID;
$lm = @filemtime(wikiFN($ID));
$td = date('Y-m-d');
return auth_browseruid().
auth_cookiesalt().
$ID.$lm.$td;
}
/**
* Adds random space characters within the given text
*
* Keeps subsequent numbers without spaces (for math problem)
*
* @param $text
* @return string
*/
protected function _obfuscateText($text) {
$new = '';
$spaces = array(
"\r",
"\n",
"\r\n",
' ',
"\xC2\xA0", // \u00A0 NO-BREAK SPACE
"\xE2\x80\x80", // \u2000 EN QUAD
"\xE2\x80\x81", // \u2001 EM QUAD
"\xE2\x80\x82", // \u2002 EN SPACE
// "\xE2\x80\x83", // \u2003 EM SPACE
"\xE2\x80\x84", // \u2004 THREE-PER-EM SPACE
"\xE2\x80\x85", // \u2005 FOUR-PER-EM SPACE
"\xE2\x80\x86", // \u2006 SIX-PER-EM SPACE
"\xE2\x80\x87", // \u2007 FIGURE SPACE
"\xE2\x80\x88", // \u2008 PUNCTUATION SPACE
"\xE2\x80\x89", // \u2009 THIN SPACE
"\xE2\x80\x8A", // \u200A HAIR SPACE
"\xE2\x80\xAF", // \u202F NARROW NO-BREAK SPACE
"\xE2\x81\x9F", // \u205F MEDIUM MATHEMATICAL SPACE
"\xE1\xA0\x8E\r\n", // \u180E MONGOLIAN VOWEL SEPARATOR
"\xE2\x80\x8B\r\n", // \u200B ZERO WIDTH SPACE
"\xEF\xBB\xBF\r\n", // \uFEFF ZERO WIDTH NO-BREAK SPACE
);
$len = strlen($text);
for($i = 0; $i < $len - 1; $i++) {
$new .= $text{$i};
if(!is_numeric($text{$i + 1})) {
$new .= $spaces[array_rand($spaces)];
}
}
$new .= $text{$len - 1};
return $new;
}
/**
* Generates a random char string
*
* @param $fixed string the fixed part, any string
* @param $rand float some random number between 0 and 1
* @return string
*/
public function _generateCAPTCHA($fixed, $rand) {
$fixed = hexdec(substr(md5($fixed), 5, 5)); // use part of the md5 to generate an int
$numbers = md5($rand * $fixed); // combine both values
// now create the letters
$code = '';
for($i = 0; $i < ($this->getConf('lettercount') * 2); $i += 2) {
$code .= chr(floor(hexdec($numbers[$i].$numbers[$i + 1]) / 10) + 65);
}
return $code;
}
/**
* Create a mathematical task and its result
*
* @param $fixed string the fixed part, any string
* @param $rand float some random number between 0 and 1
* @return array taks, result
*/
protected function _generateMATH($fixed, $rand) {
$fixed = hexdec(substr(md5($fixed), 5, 5)); // use part of the md5 to generate an int
$numbers = md5($rand * $fixed); // combine both values
// first letter is the operator (+/-)
$op = (hexdec($numbers[0]) > 8) ? -1 : 1;
$num = array(hexdec($numbers[1].$numbers[2]), hexdec($numbers[3]));
// we only want positive results
if(($op < 0) && ($num[0] < $num[1])) rsort($num);
// prepare result and task text
$res = $num[0] + ($num[1] * $op);
$task = $num[0].(($op < 0) ? '-' : '+').$num[1].'=?';
return array($task, $res);
}
/**
* Create a CAPTCHA image
*
* @param string $text the letters to display
*/
public function _imageCAPTCHA($text) {
$w = $this->getConf('width');
$h = $this->getConf('height');
$fonts = glob(dirname(__FILE__).'/fonts/*.ttf');
// create a white image
$img = imagecreatetruecolor($w, $h);
$white = imagecolorallocate($img, 255, 255, 255);
imagefill($img, 0, 0, $white);
// add some lines as background noise
for($i = 0; $i < 30; $i++) {
$color = imagecolorallocate($img, rand(100, 250), rand(100, 250), rand(100, 250));
imageline($img, rand(0, $w), rand(0, $h), rand(0, $w), rand(0, $h), $color);
}
// draw the letters
$txtlen = strlen($text);
for($i = 0; $i < $txtlen; $i++) {
$font = $fonts[array_rand($fonts)];
$color = imagecolorallocate($img, rand(0, 100), rand(0, 100), rand(0, 100));
$size = rand(floor($h / 1.8), floor($h * 0.7));
$angle = rand(-35, 35);
$x = ($w * 0.05) + $i * floor($w * 0.9 / $txtlen);
$cheight = $size + ($size * 0.5);
$y = floor($h / 2 + $cheight / 3.8);
imagettftext($img, $size, $angle, $x, $y, $color, $font, $text[$i]);
}
header("Content-type: image/png");
imagepng($img);
imagedestroy($img);
}
/**
* Encrypt the given string with the cookie salt
*
* @param string $data
* @return string
*/
public function encrypt($data) {
if(function_exists('auth_encrypt')) {
$data = auth_encrypt($data, auth_cookiesalt()); // since binky
} else {
$data = PMA_blowfish_encrypt($data, auth_cookiesalt()); // deprecated
}
return base64_encode($data);
}
/**
* Decrypt the given string with the cookie salt
*
* @param string $data
* @return string
*/
public function decrypt($data) {
$data = base64_decode($data);
if(function_exists('auth_decrypt')) {
return auth_decrypt($data, auth_cookiesalt()); // since binky
} else {
return PMA_blowfish_decrypt($data, auth_cookiesalt()); // deprecated
}
}
}

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<?php
/**
* CAPTCHA antispam plugin - Image generator
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <gohr@cosmocode.de>
*/
if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/../../../');
define('NOSESSION', true);
define('DOKU_DISABLE_GZIP_OUTPUT', 1);
require_once(DOKU_INC.'inc/init.php');
require_once(DOKU_INC.'inc/auth.php');
$ID = $_REQUEST['id'];
/** @var helper_plugin_captcha $plugin */
$plugin = plugin_load('helper', 'captcha');
$rand = $plugin->decrypt($_REQUEST['secret']);
$code = $plugin->_generateCAPTCHA($plugin->_fixedIdent(), $rand);
$plugin->_imageCAPTCHA($code);
//Setup VIM: ex: et ts=4 enc=utf-8 :

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author alhajr <alhajr300@gmail.com>
*/
$lang['testfailed'] = 'عذراً، لكن لم يكن الرد على كلمة التحقق بشكل صحيح.';
$lang['fillcaptcha'] = 'الرجاء تعبئة كافة الأحرف في المربع.';
$lang['fillmath'] = 'الرجاء حل المعادلة التالية.';
$lang['soundlink'] = 'إذا كنت لا تستطيع قراءة الحروف على الصورة، تحميل ملف الصوت يساعدك على قراءة الأحرف.';
$lang['honeypot'] = 'الرجاء الحفاظ على هذا الحقل فارغاً:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author alhajr <alhajr300@gmail.com>
*/
$lang['mode'] = 'أي نوع من كلمة التحقق استخدامها؟';
$lang['mode_o_js'] = 'نص (مملوءة مسبقا مع جافا سكريبت)';
$lang['mode_o_text'] = 'النص (دليل فقط)';
$lang['mode_o_math'] = 'مشكلة الرياضيات';
$lang['mode_o_question'] = 'مسألة ثابتة';
$lang['mode_o_image'] = 'الصورة (أسوأ إمكانية الوصول)';
$lang['mode_o_audio'] = 'الصورة + الصوت (أفضل إمكانية الوصول)';
$lang['regprotect'] = 'حماية نموذج التسجيل كذلك؟';
$lang['forusers'] = 'استخدام كلمة التحقق في تسجيل المستخدمين، أيضا؟';
$lang['lettercount'] = 'عدد من الرسائل لاستخدام (3-16). إذا قمت بزيادة كمية، ومن المؤكد أن زيادة العرض في الصورة أدناه كذلك.';
$lang['width'] = 'عرض الصورة كلمة التحقق (بالبكسل)';
$lang['height'] = 'ارتفاع الصورة كلمة التحقق (بالبكسل)';
$lang['question'] = 'سؤال لوضع مسألة ثابتة';
$lang['answer'] = 'جواب المسألة الثابتة';

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<?php
/**
* Czech language file
*
* @author Antonin Komenda <gree@grees.net>
*/
$lang['testfailed'] = "Bohužel, ale na CAPTCHA nebylo odpovězeno správně. Jste vůbec člověk?";
$lang['fillcaptcha'] = "Vyplňte, prosím, všechna písmena v poli, abyste dokázali, že nejste robot.";
$lang['soundlink'] = "Pokud nedokážete přečíst písmena na obrázku, stáhněte si tento .wav soubor, kde je text přečtený.";

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<?php
/**
* Czech language file
*
* @author Antonin Komenda <gree@grees.net>
*/
$lang['mode'] = "Který typ CAPTCHA se má použít?";
$lang['mode_o_js'] = "Text (předvyplněný JavaScriptem)";
$lang['mode_o_text'] = "Text (pouze manuálně vložený)";
$lang['mode_o_image'] = "Obrázek (špatná přístupnost)";
$lang['mode_o_audio'] = "Obrázek (lepší přístupnost)";
$lang['regprotect'] = "Chránit také registrační formulář?";
$lang['forusers'] = "Používat CAPTCHA i pro registrované uživatele?";
$lang['width'] = "Šírka CAPTCHA obrázku (v bodech)";
$lang['height'] = "Výška CAPTCHA obrázku (v bodech)";

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author soer9648 <soer9648@eucl.dk>
*/
$lang['testfailed'] = 'Desværre, CAPTCHA blev ikke besvaret korrekt. Du er muligvis ikke et menneske?';
$lang['fillcaptcha'] = 'Skriv venligst alle bogstaverne i boksen for at bevise at du er et menneske.';
$lang['fillmath'] = 'Løs venligst følgende ligning for at bevise at du er et menneske.';
$lang['soundlink'] = 'Hvis du ikke kan læse bogstaverne på skærmen, kan du downloade denne .wav-fil, for at få dem læst op.';
$lang['honeypot'] = 'Hold venligst dette felt tomt:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author soer9648 <soer9648@eucl.dk>
*/
$lang['mode'] = 'Hvilken type CAPTCHA skal benyttes?';
$lang['mode_o_js'] = 'Tekst (præudfyldt af JavaScript)';
$lang['mode_o_text'] = 'Tekst (kun manuelt)';
$lang['mode_o_math'] = 'Matematikproblem';
$lang['mode_o_question'] = 'Løsning';
$lang['mode_o_image'] = 'Billede (dårlig tilgængelighed)';
$lang['mode_o_audio'] = 'Billede+Audio (bedre tilgængelighed)';
$lang['mode_o_figlet'] = 'Figlet ASCII Art (dårlig tilgængelighed)';
$lang['regprotect'] = 'Beskyt også registreringsformularen?';
$lang['forusers'] = 'Benyt også CAPTCHA til brugere der er logget ind?';
$lang['lettercount'] = 'Antal af bogstaver der skal benyttes (3-16). Hvis du øger antallet, skal du også huske at øge bredden af billedet herunder.';
$lang['width'] = 'Bredden af CAPTCHA-billedet (pixel)';
$lang['height'] = 'Højden af CAPTCHA-billedet (pixel)';
$lang['question'] = 'Spørgsmål til fast-spørgsmål-tilstand';
$lang['answer'] = 'Svar til fast-spørgsmål-tilstand';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Thomas Templin <templin@gnuwhv.de>
*/
$lang['testfailed'] = 'Das CAPTCHA wurde nicht korrekt beantwortet.';
$lang['fillcaptcha'] = 'Bitte übertrage die Buchstaben in das Eingabefeld.';
$lang['fillmath'] = 'Bitte löse folgende Gleichung:';
$lang['soundlink'] = 'Wenn Du die Buchstaben auf dem Bild nicht lesen kannst, lade diese .wav Datei herunter, um sie vorgelesen zu bekommen.';
$lang['honeypot'] = 'Dieses Feld bitte leer lassen';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Thomas Templin <templin@gnuwhv.de>
*/
$lang['mode'] = 'Welcher CAPTCHA-Typ soll benutzt werden?';
$lang['mode_o_js'] = 'Text (automatisch ausgefüllt via JavaScript)';
$lang['mode_o_text'] = 'Text (manuell auszufüllen)';
$lang['mode_o_math'] = 'Mathe-Aufgabe';
$lang['mode_o_question'] = 'Feste Frage';
$lang['mode_o_image'] = 'Bild (nicht barrierefrei)';
$lang['mode_o_audio'] = 'Bild+Audio (barrierefrei)';
$lang['mode_o_figlet'] = 'Figlet ASCII-Kunst (nicht barrierefrei)';
$lang['regprotect'] = 'Auch die Anmelde-Seite Schützen?';
$lang['forusers'] = 'CAPTCHA auch für angemeldete Benutzer verwenden?';
$lang['lettercount'] = 'Anzahl der zu verwendenen Buchstaben (3-16). Wenn Du die Anzahl erhöhst, denke daran auch die Breite des Bildes im nächsten Feld zu erhöhen.';
$lang['width'] = 'Breite des CAPTCHA Bildes (in Pixel)';
$lang['height'] = 'Höhe des CAPTCHA Bildes (in Pixel)';
$lang['question'] = 'Frage für den "Feste Frage" Modus.';
$lang['answer'] = 'Antwort für den "Feste Frage" Modus.';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$lang['testfailed'] = 'Das CAPTCHA wurde nicht korrekt beantwortet.';
$lang['fillcaptcha'] = 'Bitte übertragen Sie die Buchstaben in das Eingabefeld.';
$lang['fillmath'] = 'Bitte lösen Sie folgende Gleichung:';
$lang['soundlink'] = 'Wenn Sie die Buchstaben auf dem Bild nicht lesen können, laden Sie diese .wav Datei herunter, um sie vorgelesen zu bekommen.';
$lang['honeypot'] = 'Dieses Feld bitte leer lassen';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Thomas Templin <templin@gnuwhv.de>
*/
$lang['mode'] = 'Welcher CAPTCHA-Typ soll benutzt werden?';
$lang['mode_o_js'] = 'Text (automatisch ausgefüllt via JavaScript)';
$lang['mode_o_text'] = 'Text (manuell auszufüllen)';
$lang['mode_o_math'] = 'Mathe-Aufgabe';
$lang['mode_o_question'] = 'Feste Frage';
$lang['mode_o_image'] = 'Bild (nicht barrierefrei)';
$lang['mode_o_audio'] = 'Bild+Audio (barrierefrei)';
$lang['mode_o_figlet'] = 'Figlet ASCII-Kunst (nicht barrierefrei)';
$lang['regprotect'] = 'Protect the registration form as well?';
$lang['forusers'] = 'Use CAPTCHA for logged in users, too?';
$lang['lettercount'] = 'Anzahl der zu verwendenen Buchstaben (3-16). Wenn Sie die Anzahl erhöhen, denken Sie daran auch die Breite des Bildes im nächsten Feld zu erhöhen.';
$lang['width'] = 'Width of the CAPTCHA image (pixel)';
$lang['height'] = 'Height of the CAPTCHA image (pixel)';
$lang['question'] = 'Frage für den "Feste Frage" Modus.';
$lang['answer'] = 'Antwort für den "Feste Frage" Modus.';

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This work is licensed under the Creative Commons Sampling Plus 1.0 License. To
view a copy of this license, visit
http://creativecommons.org/licenses/sampling+/1.0/ or send a letter to Creative
Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.

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Author: Michael Klier <chi@chimeric.de>
Link: http://www.chimeric.de/projects/npa
Voice: Christian Spellenberg
These samples represent the NATO phonetical alphabet. They are protected
by the Creative Commons Sampling Plus 1.0 License. You are free to use
and redistribute these samples under the conditions defined by the
license. For further information read the LICENSE file and visit
http://www.creativecommons.org.
Note: The original high quality wave files were downsampled and converted
to 8-Bit mono files for distribution with the CAPTCHA plugin. Visit
the link above for the original files.

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<?php
/**
* English language file
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$lang['testfailed'] = "Sorry, but the CAPTCHA wasn't answered correctly. Maybe you're not human at all?";
$lang['fillcaptcha'] = "Please fill all the letters into the box to prove you're human.";
$lang['fillmath'] = "Please solve the following equation to prove you're human.";
$lang['soundlink'] = "If you can't read the letters on the image, download this .wav file to get them read to you.";
$lang['honeypot'] = "Please keep this field empty: ";

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<?php
/**
* English language file
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$lang['mode'] = "Which type of CAPTCHA to use?";
$lang['mode_o_js'] = "Text (prefilled with JavaScript)";
$lang['mode_o_text'] = "Text (manual only)";
$lang['mode_o_math'] = "Math Problem";
$lang['mode_o_question'] = "Fixed Question";
$lang['mode_o_image'] = "Image (bad accessibility)";
$lang['mode_o_audio'] = "Image+Audio (better accessibility)";
$lang['mode_o_figlet'] = "Figlet ASCII Art (bad accessibility)";
$lang['regprotect'] = "Protect the registration form as well?";
$lang['forusers'] = "Use CAPTCHA for logged in users, too?";
$lang['lettercount']= "Number of letters to use (3-16). If you increase the amount, be sure to increase the width of the image below as well.";
$lang['width'] = "Width of the CAPTCHA image (pixel)";
$lang['height'] = "Height of the CAPTCHA image (pixel)";
$lang['question'] = "Question for fixed question mode";
$lang['answer'] = "Answer for fixed question mode";

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Tradukis Ljosxa Kuznecov <ka2pink@gmail.com>
* @author Robert Bogenschneider <bogi@uea.org>
*/
$lang['testfailed'] = 'Pardonon, sed CAPTCHA ne respondis korekte. Eble vi tute ne estas homo, ĉu?';
$lang['fillcaptcha'] = 'Bonvolu tajpi ĉiujn literojn en la kampeton, por pruvi ke vi estas homo.';
$lang['fillmath'] = 'Bonvolu solvi sekvan ekvacion por pruvi, ke vi estas homa.';
$lang['soundlink'] = 'Se vi ne povas legi la literojn en la bildo, ŝarĝu tiun .wav-dosieron por aŭdi ilin.';
$lang['honeypot'] = 'Bonvolu lasi tiun kampon malplena:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Tradukis Ljosxa Kuznecov <ka2pink@gmail.com>
* @author Robert Bogenschneider <bogi@uea.org>
*/
$lang['mode'] = 'Kiun varianton de CAPTCHA uzi?';
$lang['mode_o_js'] = 'Teksto (prilaborita per Java-skripto)';
$lang['mode_o_text'] = 'Teksto (nur permane)';
$lang['mode_o_math'] = 'Matematika problemo';
$lang['mode_o_question'] = 'Fiksa demando';
$lang['mode_o_image'] = 'Bildo (malbona alirebleco)';
$lang['mode_o_audio'] = 'Bildo+Sono (pli bona alirebleco)';
$lang['mode_o_figlet'] = 'Figlet ASCII - arto (malbona alirebleco)';
$lang['regprotect'] = 'Ĉu protekti ankaŭ la paĝon por registriĝo?';
$lang['forusers'] = 'Uzi CAPTCHA-n ankaŭ por ensalutintaj uzantoj?';
$lang['lettercount'] = 'Kvanto da uzendaj literoj (3-16). Se vi pligrandigas la kvanton, certigu ke vi same pligrandigas la larĝecon de la suba bildo.';
$lang['width'] = 'Larĝeco de CAPTCHA-bildo (pikseloj)';
$lang['height'] = 'Alteco de CAPTCHA-bildo (pikseloj)';
$lang['question'] = 'Demando por fiks-demanda funkciado';
$lang['answer'] = 'Respondo por fiks-demanda funkciado';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Antonio Castilla <antoniocastilla@trazoide.com>
*/
$lang['testfailed'] = 'Lo sentimos, pero el CAPTCHA no fue respondido correctamente. Tal vez no eres una persona.';
$lang['fillcaptcha'] = 'Por favor, complete todas las letras de la caja para demostrar que eres una persona.';
$lang['fillmath'] = 'Por favor, resuelve la siguiente ecuación para demostrar que eres una persona.';
$lang['soundlink'] = 'Si no puede leer toda las letras de la imagen, descargue el archivo wav que lo leerá por ti.';
$lang['honeypot'] = 'Por favor, mantenga este campo vacío: ';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Antonio Castilla <antoniocastilla@trazoide.com>
*/
$lang['mode'] = '¿Qué tipo de CAPTCHA usará?';
$lang['mode_o_js'] = 'Texto (rellenados con JavaScript)';
$lang['mode_o_text'] = 'Texto (manual)';
$lang['mode_o_math'] = 'Problemas de matemáticas';
$lang['mode_o_question'] = 'Pregunta fija';
$lang['mode_o_image'] = 'Imagen (peor accesibilidad)';
$lang['mode_o_audio'] = 'Imagen + Audio (peor accesibilidad)';
$lang['regprotect'] = '¿Quiere proteger el formulario de inscripción así?';
$lang['forusers'] = '¿Utilizar CAPTCHA para los usuarios registrados también?';
$lang['lettercount'] = 'Número de letras para usar (3-16). Si aumenta la cantidad, asegúrese de incrementar el ancho de la imagen de abajo también.';
$lang['width'] = 'Ancho de la imagen CAPTCHA (pixel)';
$lang['height'] = 'Altura de la imagen CAPTCHA (pixel)';
$lang['question'] = 'Pregunta para el modo de pregunta fija';
$lang['answer'] = 'Responda al modo de pregunta fija';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Emmanuel Dupin <seedfloyd@gmail.com>
* @author bruno <bruno@ninesys.fr>
* @author Fabrice Dejaigher <fabrice@chtiland.com>
*/
$lang['testfailed'] = 'Désolé, vous n\'avez pas répondu correctement au test anti-spam. Peut-être n\'êtes vous pas humain ?';
$lang['fillcaptcha'] = 'Merci de recopier le code ci-contre pour prouver que vous êtes humain :';
$lang['fillmath'] = 'S\'il vous plaît résolvez l\'équation suivante pour prouver que vous êtes humain.';
$lang['soundlink'] = 'Si vous ne pouvez pas lire le code, téléchargez ce fichier .wav pour l\'écouter.';
$lang['honeypot'] = 'Merci de laisser ce champ vide : ';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Emmanuel Dupin <seedfloyd@gmail.com>
* @author bruno <bruno@ninesys.fr>
* @author Fabrice Dejaigher <fabrice@chtiland.com>
*/
$lang['mode'] = 'Quel type de CAPTCHA utiliser ?';
$lang['mode_o_js'] = 'Texte (prérempli avec JavaScript)';
$lang['mode_o_text'] = 'Texte (remplissage manuel)';
$lang['mode_o_math'] = 'Problème mathématique';
$lang['mode_o_question'] = 'Question fixe';
$lang['mode_o_image'] = 'Image (mauvaise accessibilité)';
$lang['mode_o_audio'] = 'Image + Audio (meilleure accessibilité)';
$lang['mode_o_figlet'] = 'ASCII Art (mauvaise accessibilité)';
$lang['regprotect'] = 'Protéger également le formulaire d\'inscription ?';
$lang['forusers'] = 'Utiliser également le CAPTCHA pour les utilisateurs connectés ?';
$lang['lettercount'] = 'Nombre de lettres à utiliser (3 à 16). Pensez à augmenter la taille de l\'image ci-dessous en adéquation avec le nombre de lettres afin que celles-ci soient correctement affichées.';
$lang['width'] = 'Largeur de l\'image du CAPTCHA (en pixels)';
$lang['height'] = 'Hauteur de l\'image du CAPTCHA (en pixels)';
$lang['question'] = 'Question pour le mode \'question fixe\'';
$lang['answer'] = 'Réponse pour le mode \'question fixe\'';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Serenity87HUN <anikototh87@gmail.com>
*/
$lang['testfailed'] = 'Rosszul válaszoltál a CAPTCHA-ra. Lehet, hogy nem is ember vagy?';
$lang['fillcaptcha'] = 'Kérlek írd be az összes betűt a dobozba, hogy bebizonyítsd, ember vagy.';
$lang['fillmath'] = 'Kérled oldd meg az alábbi egyenletet, hogy bebizonyítsd, ember vagy.';
$lang['soundlink'] = 'Ha nem látod a képen szereplő szöveget, töltsd le ezt a .wav fájlt, amiben felolvassák.';
$lang['honeypot'] = 'Ezt a mezőt kérlek hagyd üresen:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Serenity87HUN <anikototh87@gmail.com>
* @author Marina Vladi <deldadam@gmail.com>
*/
$lang['mode'] = 'Milyen CAPTCHA-t használjunk?';
$lang['mode_o_js'] = 'Szöveg (JavaScript által kitöltve)';
$lang['mode_o_text'] = 'Szöveg (kézzel kitöltendő)';
$lang['mode_o_math'] = 'Matematikai feladat';
$lang['mode_o_question'] = 'Biztonsági kérdés';
$lang['mode_o_image'] = 'Kép (nehezen érthető)';
$lang['mode_o_audio'] = 'Kép+hang (jobban érthető)';
$lang['mode_o_figlet'] = 'FIGlet-betűrajz (nehezen érthető)';
$lang['regprotect'] = 'A regisztrációlapot is védetté tegyük?';
$lang['forusers'] = 'Bejelentkezett felhasználóknál is használjunk CAPTCHA-t?';
$lang['lettercount'] = 'Felhasználandó betűk száma (3-16). Ha növeled a karakterek számát, ne felejtsd el a kép szélességét is megváltoztatni.';
$lang['width'] = 'CAPTCHA-hoz felhasznált kép szélessége (pixel)';
$lang['height'] = 'CAPTCHA-hoz felhasznált kép magassága (pixel)';
$lang['question'] = 'Biztonsági kérdés mód kérdése';
$lang['answer'] = 'Válasz a biztonsági kérdésre';

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<?php
/**
* Italian language file
*
* @author Willy
*/
$lang['testfailed'] = "Spiacente, ma non hai risposto correttamente a CAPTCHA. Potresti non essere del tutto umano.";
$lang['fillcaptcha'] = "Per favore inserisci le lettere nel box accanto per provare che sei una persona reale.";
$lang['soundlink'] = "Se non riesci a leggere le lettere nell'immagine, scarica questo file .wav ed eseguilo, leggera' le lettere per te.";

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<?php
/**
* Italian language file
*
* @author by Willy
*/
$lang['mode'] = "Che tipo di CAPTCHA vuoi usare?";
$lang['mode_o_js'] = "Testo (precompilato con JavaScript)";
$lang['mode_o_text'] = "Testo (Solo Manuale)";
$lang['mode_o_image'] = "Immagine (Non molto Accessibile)";
$lang['mode_o_audio'] = "Immagine + Audio (Migliore Accessibilità)";
$lang['regprotect'] = "Vuoi proteggere anche il modulo di iscrizione?";
$lang['forusers'] = "Vuoi usare CAPTCHA anche per gli utenti loggati?";
$lang['width'] = "Larghezza dell'immagine di CAPTCHA (pixel)";
$lang['height'] = "Altezza dell'immagine di CAPTCHA (pixel)";

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author OHTSU Yoshifumi <dev@decomo.info>
* @author Hideaki SAWADA <chuno@live.jp>
*/
$lang['testfailed'] = '申し訳ありませんが、CAPTCHAに対して適切に応答していません。おそらくですが人ではありませんね？';
$lang['fillcaptcha'] = '人間の証明として、ボックス内の全ての文字を入力してください。';
$lang['fillmath'] = '人間の証明として、以下の数式の答えを入力して下さい。';
$lang['soundlink'] = '画像の文字が読めなければ、文字を読んだ.wavファイルをダウンロードして下さい。';
$lang['honeypot'] = 'この項目は空のままにして下さい：';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author OHTSU Yoshifumi <dev@decomo.info>
* @author Hideaki SAWADA <chuno@live.jp>
*/
$lang['mode'] = '認証の方式';
$lang['mode_o_js'] = '文字 (JavaScriptによる自動入力)';
$lang['mode_o_text'] = '文字 (手動入力)';
$lang['mode_o_math'] = '計算式';
$lang['mode_o_question'] = '固定質問';
$lang['mode_o_image'] = '画像 (低アクセシビリティ)';
$lang['mode_o_audio'] = '画像+音声 (中アクセシビリティ)';
$lang['mode_o_figlet'] = 'Figlet [アルファベットAA] (低アクセシビリティ)';
$lang['regprotect'] = 'ユーザー登録時にCAPTCHA認証を行う';
$lang['forusers'] = 'ログインユーザーに対してもCAPTCHA認証を行う';
$lang['lettercount'] = '使用する文字数（3～16）。文字数を増やす場合は下の画像の幅も同様に増やして下さい。';
$lang['width'] = 'CAPTCHA画像の幅　(ピクセル)';
$lang['height'] = 'CAPTCHA画像の高さ(ピクセル)';
$lang['question'] = '固定質問方式の質問';
$lang['answer'] = '固定質問方式の回答';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Myeongjin <aranet100@gmail.com>
*/
$lang['testfailed'] = '죄송하지만 CAPTCHA(캡차)가 올바르지 않습니다. 아마도 전혀 인간이 아니죠?';
$lang['fillcaptcha'] = '인간임을 증명하기 위해 상자에 있는 모든 글자를 채워주세요.';
$lang['fillmath'] = '인간임을 증명하기 위해 다음 방정식을 푸세요.';
$lang['soundlink'] = '그림에 있는 글자를 읽을 수 없다면, 당신에게 들려줄 이 .wav 파일을 다운로드하세요.';
$lang['honeypot'] = '이 필드는 비어 있도록 유지하세요:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Myeongjin <aranet100@gmail.com>
*/
$lang['mode'] = '어떤 CAPTCHA(캡차) 종류를 사용하겠습니까?';
$lang['mode_o_js'] = '글자 (자바스크립트로 미리 채워짐)';
$lang['mode_o_text'] = '글자 (수동만)';
$lang['mode_o_math'] = '수학 문제';
$lang['mode_o_question'] = '고정된 질문';
$lang['mode_o_image'] = '그림 (접근성이 낮음)';
$lang['mode_o_audio'] = '그림+소리 (접근성이 더 나음)';
$lang['mode_o_figlet'] = 'Figlet ASCII 아트 (접근성이 낮음)';
$lang['regprotect'] = '등록 양식에도 보호하겠습니까?';
$lang['forusers'] = '로그인한 사용자도 CAPTCHA(캡차)를 사용하겠습니까?';
$lang['lettercount'] = '사용할 글자 수. (3-16) 양을 증가하면, 아래 그림의 너비도 증가해야 합니다.';
$lang['width'] = 'CAPTCHA(캡차) 그림의 너비 (픽셀)';
$lang['height'] = 'CAPTCHA(캡차) 그림의 높이 (픽셀)';
$lang['question'] = '고정된 질문 모드에 대한 질문';
$lang['answer'] = '고정된 질문 모드에 대한 답변';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Ruben Schouten <mail@ruben.cc>
* @author Mark C. Prins <mprins@users.sf.net>
* @author Mark Prins <mprins@users.sf.net>
*/
$lang['testfailed'] = 'Sorry, maar de CAPTCHA is onjuist beantwoord. Misschien ben je toch geen mens?';
$lang['fillcaptcha'] = 'Tik de letters in het onderstaande vakje over om aan te tonen dat je een mens bent.';
$lang['fillmath'] = 'Geef antwoord op de rekensom om aan te tonen dat je een mens bent.';
$lang['soundlink'] = 'Als je de letters in de afbeelding niet kunt lezen kun je dit .wav bestand downloaden om ze te laten voorlezen.';
$lang['honeypot'] = 'Dit veld leeg laten';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Ruben Schouten <mail@ruben.cc>
* @author Mark C. Prins <mprins@users.sf.net>
* @author Mark Prins <mprins@users.sf.net>
*/
$lang['mode'] = 'Welk type CAPTCHA wil je gebruiken?';
$lang['mode_o_js'] = 'Tekst (automatisch ingevuld via JavaScript)';
$lang['mode_o_text'] = 'Tekst (handmatig overtikken)';
$lang['mode_o_math'] = 'Wiskunde opgave (eenvoudige rekensom)';
$lang['mode_o_question'] = 'Vaste vraag';
$lang['mode_o_image'] = 'Afbeelding (slechte toegankelijkhied)';
$lang['mode_o_audio'] = 'Afbeelding+Audio (betere toegankelijkheid)';
$lang['mode_o_figlet'] = 'Figlet ASCII Art (slechte toegankelijkheid)';
$lang['regprotect'] = 'Het aanmeldformulier ook beschermen?';
$lang['forusers'] = 'Ook CAPTCHA voor ingelogde gebruikers gebruiken?';
$lang['lettercount'] = 'Aantal te gebruiken letters (3-16). Let er op ook de breedte van de afbeelding hieronder te vergroten als het aantal wordt verhoogd';
$lang['width'] = 'Breedte van de CAPTCHA afbeelding (pixels)';
$lang['height'] = 'Hoogte van de CAPTCHA afbeelding (pixels)';
$lang['question'] = 'Vraag voor de vaste vraag modus';
$lang['answer'] = 'Antwoord voor de vaste vraag modus';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Paweł Jan Czochański <czochanski@gmail.com>
*/
$lang['testfailed'] = 'Wybacz, ale CAPTCHA nie została uzupełniona poprawnie. Może wcale nie jesteś człowiekiem?';
$lang['fillcaptcha'] = 'Proszę wprowadzić wszystkie znaki w pole, by udowodnić, że jesteś człowiekiem.';
$lang['fillmath'] = 'Proszę rozwiązać poniższe równanie, by udowodnić, że jesteś człowiekiem.';
$lang['soundlink'] = 'Jeżeli nie jesteś w stanie przeczytać znaków widocznych na obrazie pobierz plik .wav, w którym zawarta jest ich głosowa reprezentacja.';
$lang['honeypot'] = 'Proszę pozostawić to pole puste.';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Paweł Jan Czochański <czochanski@gmail.com>
* @author Mati <mackosa@wp.pl>
*/
$lang['mode'] = 'Jaki typ CAPTCHA zastosować?';
$lang['mode_o_text'] = 'Tekst (tylko ręcznie)';
$lang['mode_o_math'] = 'Problem matematyczny';
$lang['mode_o_question'] = 'Stałe pytanie';
$lang['mode_o_image'] = 'Obraz (słaba dostępność)';
$lang['mode_o_audio'] = 'Obraz+Dźwięk (lepsza dostępność)';
$lang['mode_o_figlet'] = 'Sztuka figletowych ASCII (słaba dostępność)';
$lang['regprotect'] = 'Ochraniać również proces rejestracji?';
$lang['forusers'] = 'Stosować CAPTCHA również dla zalogowanych użytkowników?';
$lang['lettercount'] = 'Wykorzystywane liczby i litery (3-16). Pamiętaj by wraz ze wzrostem ich ilości zwiększać również szerokość obrazu poniżej.';
$lang['width'] = 'Szerokość obrazu CAPTCHA (w pikselach)';
$lang['height'] = 'Wysokość obrazu CAPTCHA (w pikselach)';
$lang['question'] = 'Pytanie stosowane w trybie stałego pytania';
$lang['answer'] = 'Odpowiedź na stałe pytanie';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Juliano Marconi Lanigra <juliano.marconi@gmail.com>
*/
$lang['testfailed'] = 'Desculpe, mas o CAPTCHA não foi preenchido corretamente. Talvez você não seja humano?';
$lang['fillcaptcha'] = 'Por favor preencha todas as letras dentro da caixa para provar que você é humano.';
$lang['fillmath'] = 'Por favor resolva a seguinte equação para provar que você é humano.';
$lang['soundlink'] = 'Se você não pode ler as letras na imagem, faça o download desse .wav para que elas sejam lidas para você.';
$lang['honeypot'] = 'Por favor deixe esse campo em branco:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Juliano Marconi Lanigra <juliano.marconi@gmail.com>
*/
$lang['mode'] = 'Qual tipo de CAPTCHA usar?';
$lang['mode_o_js'] = 'Texto (pré-preenchido com JavaScript)';
$lang['mode_o_text'] = 'Texto (somente manual)';
$lang['mode_o_math'] = 'Problema de Matemática';
$lang['mode_o_question'] = 'Questão Resolvida';
$lang['mode_o_image'] = 'Imagem (acessibilidade ruim)';
$lang['mode_o_audio'] = 'Imagem+Áudio (acessibilidade melhor)';
$lang['mode_o_figlet'] = 'Figlet ASCII Art (acessibilidade ruim)';
$lang['regprotect'] = 'Também proteger o formulário de registro?';
$lang['forusers'] = 'Também usar CAPTCHA para usuários logados?';
$lang['lettercount'] = 'Número de letras para usar (3-16). Se você aumentar a quantidade, lembre de também aumentar a largura da imagem abaixo.';
$lang['width'] = 'Largura da imagem do CAPTCHA (pixel)';
$lang['height'] = 'Altura da imagem do CAPTCHA (pixel)';
$lang['question'] = 'Pergunta para o modo de pergunta fixa';
$lang['answer'] = 'Resposta para o modo de pergunta fixa';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author André Neves <drakferion@gmail.com>
*/
$lang['testfailed'] = 'Infelizmente o CAPTCHA não foi respondido corretamente. Talvez você afinal não seja humano?';
$lang['fillcaptcha'] = 'Por favor preencha todas as letras na caixa para provar que é humano.';
$lang['fillmath'] = 'Por favor resolva a seguinte equação para provar que é humano.';
$lang['soundlink'] = 'Se não pode ler as letras na imagem, descarregue este ficheiro .wav para as ouvir.';
$lang['honeypot'] = 'Por favor mantenha este campo vazio:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author André Neves <drakferion@gmail.com>
*/
$lang['mode'] = 'Que tipo de CAPTCHA usar?';
$lang['mode_o_js'] = 'Texto (pré-preenchido com JavaScript)';
$lang['mode_o_text'] = 'Texto (somente manual)';
$lang['mode_o_math'] = 'Problema Matemático';
$lang['mode_o_question'] = 'Pergunta Fixa';
$lang['mode_o_image'] = 'Imagem (má acessibilidade)';
$lang['mode_o_audio'] = 'Imagem+Áudio (melhor acessibilidade)';
$lang['mode_o_figlet'] = 'Arte em ASCII Figlet (má acessibilidade)';
$lang['regprotect'] = 'Também proteger o formulário de registo?';
$lang['forusers'] = 'Também usar CAPTCHA para utilizadores autenticados?';
$lang['lettercount'] = 'Número de letras a usar (3-16). Se aumentar a quantidade, assegure-se de aumentar também a largura da imagem, abaixo.';
$lang['width'] = 'Largura da imagem CAPTCHA (pixel)';
$lang['height'] = 'Altura da imagem CAPTCHA (pixel)';
$lang['question'] = 'Pergunta para o modo de pergunta fixa';
$lang['answer'] = 'Resposta para o modo de pergunta fixa';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Aleksandr Selivanov <alexgearbox@gmail.com>
* @author Ilya Rozhkov <impeck@ya.ru>
*/
$lang['testfailed'] = 'Извините, код подтверждения введён неверно.';
$lang['fillcaptcha'] = 'Пожалуйста, введите код подтверждения, чтобы доказать, что вы не робот:';
$lang['fillmath'] = 'Ответьте пожалуйста на вопрос, чтобы доказать, что вы человек.';
$lang['soundlink'] = 'Если вы не можете прочитать символы на изображении, загрузите и воспроизведите wav-файл.';
$lang['honeypot'] = 'Пожалуйста, оставьте это поле пустым:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Aleksandr Selivanov <alexgearbox@gmail.com>
* @author Ilya Rozhkov <impeck@ya.ru>
*/
$lang['mode'] = 'Какой тип CAPTCHA использовать?';
$lang['mode_o_js'] = 'Текст (заполнение JavaScript)';
$lang['mode_o_text'] = 'Текст (ручной ввод)';
$lang['mode_o_math'] = 'Математическая задача';
$lang['mode_o_question'] = 'Конкретный вопрос';
$lang['mode_o_image'] = 'Изображение (хорошая защита)';
$lang['mode_o_audio'] = 'Изображение и звук (плохая защита)';
$lang['mode_o_figlet'] = 'Figlet ASCII Art (хорошая защита)';
$lang['regprotect'] = 'Защитить регистрационную форму?';
$lang['forusers'] = 'Использоваться CAPTCHA для зарегистрированных пользователей?';
$lang['lettercount'] = 'Количество букв (3-16). Если вы увеличиваете количество букв, не забудьте увеличить ширину изображения ниже.';
$lang['width'] = 'Ширина изображения CAPTCHA (пиксель)';
$lang['height'] = 'Высота изображения CAPTCHA (пиксель)';
$lang['question'] = 'Вопрос для режима конкретного вопроса';
$lang['answer'] = 'Ответ для режима конкретного вопроса ';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Jozef Riha <jose1711@gmail.com>
* @author Martin Michalek <michalek.dev@gmail.com>
*/
$lang['testfailed'] = 'Ľutujem, ale na CAPTCHA nebolo odpovedané správne. Je možné, že by ste vôbec neboli človekom?';
$lang['fillcaptcha'] = 'Vyplňte prosím všetky písmená v poli, aby ste dokázali, že nie ste skript.';
$lang['fillmath'] = 'Prosím vyriešte nasledujúcu rovnicu, aby sme vás odlíšili od automatických web nástrojov.';
$lang['soundlink'] = 'Ak nedokážete prečítať písmená na obrázku, stiahnite si tento .wav súbor a text vám prečítame.';
$lang['honeypot'] = 'Prosím nechajte toto pole prázdne:';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Jozef Riha <jose1711@gmail.com>
* @author Martin Michalek <michalek.dev@gmail.com>
*/
$lang['mode'] = 'Ktorý typ CAPTCHA sa má použiť?';
$lang['mode_o_js'] = 'Text (predvyplnený JavaScriptom)';
$lang['mode_o_text'] = 'Text (iba manuálne vložený)';
$lang['mode_o_math'] = 'Matematický problém';
$lang['mode_o_question'] = 'Pevne zadaná otázka';
$lang['mode_o_image'] = 'Obrázok (pre ľudí s postihom)';
$lang['mode_o_audio'] = 'Obrázok a zvuk (pre ľudí s menším postihom)';
$lang['mode_o_figlet'] = 'ASCII obrázok (pre ľudí s postihom)';
$lang['regprotect'] = 'Chrániť tiež registračný formulár?';
$lang['forusers'] = 'Používať CAPTCHA aj pre registrovaných užívateľov?';
$lang['lettercount'] = 'Počet písmen (3-16). Ak zvýšite počet, zväčšite tiež šírku obrázka uvedeného nižšie.';
$lang['width'] = 'Šírka CAPTCHA obrázku (v bodoch)';
$lang['height'] = 'Výška CAPTCHA obrázku (v bodoch)';
$lang['question'] = 'Otázka pre typ pevne zadanej otázky';
$lang['answer'] = 'Odpoveď pre typ pevne zadanej otázky';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Ehliman <ehlimansen@gmail.com>
*/
$lang['mode_o_math'] = 'Matematik Problemi';
$lang['mode_o_question'] = 'Sabit Soru';
$lang['mode_o_image'] = 'Resim (Kötü erişebilirlik)';

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<?php
/**
* Traditional Chinese language file
*
* @author Danny Lin <danny0838@pchome.com.tw>
*/
$lang['testfailed'] = "很抱歉，您沒有輸入正確的 CAPTCHA 驗證碼。";
$lang['fillcaptcha'] = "請將字母填入方框。";
$lang['soundlink'] = "如果您無法閱讀圖片中的字母，請下載收聽這個 WAV 檔。";

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<?php
/**
* Traditional Chinese language file
*
* @author Danny Lin <danny0838@pchome.com.tw>
*/
$lang['mode'] = "使用哪種 CAPTCHA 類型？";
$lang['mode_o_js'] = "文字 (預先用 Javascript 填入)";
$lang['mode_o_text'] = "文字 (手動填入)";
$lang['mode_o_image'] = "圖片 (易用性差)";
$lang['mode_o_audio'] = "圖片+聲音 (易用性較佳)";
$lang['mode_o_figlet'] = "Figlet ASCII 藝術字 (易用性差)";
$lang['regprotect'] = "保護註冊表單嗎？";
$lang['forusers'] = "已登入使用者也要 CAPTCHA 驗證嗎？";
$lang['width'] = "CAPTCHA 圖片寬度 (像素)";
$lang['height'] = "CAPTCHA 圖片高度 (像素)";

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author lainme <lainme993@gmail.com>
*/
$lang['testfailed'] = '抱歉，您输入的验证码不正确。';
$lang['fillcaptcha'] = '请在输入框中填入验证码以证明您不是机器人。';
$lang['fillmath'] = '请填入算式的结果以证明您不是机器人。';
$lang['soundlink'] = '如果您无法阅读图片中的字母，请下载此 .wav 文件。';
$lang['honeypot'] = '请将此区域留空：';

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<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author lainme <lainme993@gmail.com>
*/
$lang['mode'] = '使用什么类型的验证码？';
$lang['mode_o_js'] = '文本 (预先由 JavaScript 填写)';
$lang['mode_o_text'] = '文本 (手动输入)';
$lang['mode_o_math'] = '算术题';
$lang['mode_o_question'] = '固定问题';
$lang['mode_o_image'] = '图片 (无障碍性差)';
$lang['mode_o_audio'] = '图片+音频 (更好的无障碍性)';
$lang['mode_o_figlet'] = 'Figlet ASCII 艺术 (无障碍性差)';
$lang['regprotect'] = '同时保护注册表单吗？';
$lang['forusers'] = '对已登入的用户也适用吗？';
$lang['lettercount'] = '使用字母的数目 (3-16)。如果您增加数目，请确保同时增加图片的宽度。';
$lang['width'] = '验证码图片宽度 (像素)';
$lang['height'] = '验证码图片高度 (像素)';
$lang['question'] = '固定问题模式的问题';
$lang['answer'] = '固定问题模式的答案';

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base captcha
author Andreas Gohr
email andi@splitbrain.org
date 2014-01-05
name CAPTCHA Plugin
desc Use a CAPTCHA challenge to protect DokuWiki against automated spam
url http://www.dokuwiki.org/plugin:captcha

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/**
* Autofill and hide the whole captcha stuff in the simple JS mode
*/
jQuery(function () {
var $code = jQuery('#plugin__captcha_code');
if (!$code.length) return;
var $box = jQuery('#plugin__captcha_wrapper input[type=text]');
$box.first().val($code.text().replace(/([^A-Z])+/g, ''));
jQuery('#plugin__captcha_wrapper').hide();
});

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.dokuwiki #plugin__captcha_wrapper img {
margin: 1px;
vertical-align: bottom;
border: 1px solid __border__;
}
.dokuwiki #plugin__captcha_wrapper pre {
font-size: 70%;
font-family: monospace;
font-weight: bold;
border: none;
background-color: __background__;
color: __text__;
padding: 0;
}
.dokuwiki #plugin__captcha_wrapper .no {
display: none;
}
.dokuwiki #plugin__captcha_wrapper {
clear: left;
}

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<?php
/**
* CAPTCHA antispam plugin - sound generator
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <gohr@cosmocode.de>
*/
if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/../../../');
define('NOSESSION', true);
define('DOKU_DISABLE_GZIP_OUTPUT', 1);
require_once(DOKU_INC.'inc/init.php');
require_once(DOKU_INC.'inc/auth.php');
$ID = $_REQUEST['id'];
/** @var $plugin helper_plugin_captcha */
$plugin = plugin_load('helper', 'captcha');
if($plugin->getConf('mode') != 'audio') {
http_status(404);
exit;
}
$rand = $plugin->decrypt($_REQUEST['secret']);
$code = strtolower($plugin->_generateCAPTCHA($plugin->_fixedIdent(), $rand));
// prepare an array of wavfiles
$lc = dirname(__FILE__).'/lang/'.$conf['lang'].'/audio/';
$en = dirname(__FILE__).'/lang/en/audio/';
$wavs = array();
for($i = 0; $i < $plugin->getConf('lettercount'); $i++) {
$file = $lc.$code{$i}.'.wav';
if(!@file_exists($file)) $file = $en.$code{$i}.'.wav';
$wavs[] = $file;
}
header('Content-type: audio/x-wav');
header('Content-Disposition: attachment;filename=captcha.wav');
echo joinwavs($wavs);
/**
* Join multiple wav files
*
* All wave files need to have the same format and need to be uncompressed.
* The headers of the last file will be used (with recalculated datasize
* of course)
*
* @link http://ccrma.stanford.edu/CCRMA/Courses/422/projects/WaveFormat/
* @link http://www.thescripts.com/forum/thread3770.html
*/
function joinwavs($wavs) {
$fields = join(
'/', array(
'H8ChunkID', 'VChunkSize', 'H8Format',
'H8Subchunk1ID', 'VSubchunk1Size',
'vAudioFormat', 'vNumChannels', 'VSampleRate',
'VByteRate', 'vBlockAlign', 'vBitsPerSample'
)
);
$data = '';
foreach($wavs as $wav) {
$fp = fopen($wav, 'rb');
$header = fread($fp, 36);
$info = unpack($fields, $header);
// read optional extra stuff
if($info['Subchunk1Size'] > 16) {
$header .= fread($fp, ($info['Subchunk1Size'] - 16));
}
// read SubChunk2ID
$header .= fread($fp, 4);
// read Subchunk2Size
$size = unpack('vsize', fread($fp, 4));
$size = $size['size'];
// read data
$data .= fread($fp, $size);
}
return $header.pack('V', strlen($data)).$data;
}