Gecko [ 167.86.127.34 ]

Name	Size	Permission
.pkexec	[ DIR ]	drwxr-xr-x
GCONV_PATH=.	[ DIR ]	drwxr-xr-x
adodb	[ DIR ]	drwxrwxrwx
ajax	[ DIR ]	drwxrwxrwx
amd	[ DIR ]	drwxrwxrwx
antivirus	[ DIR ]	drwxrwxrwx
babel-polyfill	[ DIR ]	drwxrwxrwx
behat	[ DIR ]	drwxrwxrwx
bennu	[ DIR ]	drwxrwxrwx
classes	[ DIR ]	drwxrwxrwx
db	[ DIR ]	drwxrwxrwx
ddl	[ DIR ]	drwxrwxrwx
dml	[ DIR ]	drwxrwxrwx
dtl	[ DIR ]	drwxrwxrwx
editor	[ DIR ]	drwxrwxrwx
emoji-data	[ DIR ]	drwxrwxrwx
evalmath	[ DIR ]	drwxrwxrwx
external	[ DIR ]	drwxrwxrwx
filebrowser	[ DIR ]	drwxrwxrwx
filestorage	[ DIR ]	drwxrwxrwx
fonts	[ DIR ]	drwxrwxrwx
form	[ DIR ]	drwxrwxrwx
geopattern-php	[ DIR ]	drwxrwxrwx
google	[ DIR ]	drwxrwxrwx
grade	[ DIR ]	drwxrwxrwx
horde	[ DIR ]	drwxrwxrwx
html2text	[ DIR ]	drwxrwxrwx
htmlpurifier	[ DIR ]	drwxrwxrwx
jabber	[ DIR ]	drwxrwxrwx
jquery	[ DIR ]	drwxrwxrwx
ltiprovider	[ DIR ]	drwxrwxrwx
markdown	[ DIR ]	drwxrwxrwx
maxmind	[ DIR ]	drwxrwxrwx
minify	[ DIR ]	drwxrwxrwx
mlbackend	[ DIR ]	drwxrwxrwx
mustache	[ DIR ]	drwxrwxrwx
pear	[ DIR ]	drwxrwxrwx
php-css-parser	[ DIR ]	drwxrwxrwx
php-jwt	[ DIR ]	drwxrwxrwx
phpmailer	[ DIR ]	drwxrwxrwx
phpspreadsheet	[ DIR ]	drwxrwxrwx
phpunit	[ DIR ]	drwxrwxrwx
plist	[ DIR ]	drwxrwxrwx
polyfills	[ DIR ]	drwxrwxrwx
portfolio	[ DIR ]	drwxrwxrwx
requirejs	[ DIR ]	drwxrwxrwx
rtlcss	[ DIR ]	drwxrwxrwx
scssphp	[ DIR ]	drwxrwxrwx
simplepie	[ DIR ]	drwxrwxrwx
spout	[ DIR ]	drwxrwxrwx
table	[ DIR ]	drwxrwxrwx
tcpdf	[ DIR ]	drwxrwxrwx
templates	[ DIR ]	drwxrwxrwx
testing	[ DIR ]	drwxrwxrwx
tests	[ DIR ]	drwxrwxrwx
typo3	[ DIR ]	drwxrwxrwx
userkey	[ DIR ]	drwxrwxrwx
xapi	[ DIR ]	drwxrwxrwx
xhprof	[ DIR ]	drwxrwxrwx
xmldb	[ DIR ]	drwxrwxrwx
yui	[ DIR ]	drwxrwxrwx
yuilib	[ DIR ]	drwxrwxrwx
.htaccess	197 B	-r--r--r--
.mad-root	0 B	-rw-r--r--
accesslib.php	266.42 KB	-rwxrwxrwx
adminlib.php	388.3 KB	-rwxrwxrwx
authlib.php	42.06 KB	-rwxrwxrwx
badgeslib.php	42.81 KB	-rwxrwxrwx
blocklib.php	99.34 KB	-rwxrwxrwx
boxlib.php	8.08 KB	-rwxrwxrwx
cacert.pem	239.21 KB	-rwxrwxrwx
cacert.txt	811 B	-rwxrwxrwx
clilib.php	8.76 KB	-rwxrwxrwx
completionlib.php	50.73 KB	-rwxrwxrwx
componentlib.class.php	29.2 KB	-rwxrwxrwx
components.json	3.45 KB	-rwxrwxrwx
conditionlib.php	1.11 KB	-rwxrwxrwx
configonlylib.php	6.48 KB	-rwxrwxrwx
cookies.js	2.37 KB	-rwxrwxrwx
coursecatlib.php	3.25 KB	-rwxrwxrwx
cronlib.php	14.33 KB	-rwxrwxrwx
csslib.php	6.81 KB	-rwxrwxrwx
csvlib.class.php	17.38 KB	-rwxrwxrwx
customcheckslib.php	1.5 KB	-rwxrwxrwx
dataformatlib.php	1.79 KB	-rwxrwxrwx
datalib.php	70.22 KB	-rwxrwxrwx
ddllib.php	4.71 KB	-rwxrwxrwx
default.ttf	502.23 KB	-rwxrwxrwx
deprecatedlib.php	122.87 KB	-rwxrwxrwx
dmllib.php	12.2 KB	-rwxrwxrwx
dtllib.php	2.58 KB	-rwxrwxrwx
editorlib.php	6.43 KB	-rwxrwxrwx
emptyfile.php	809 B	-rwxrwxrwx
enrollib.php	119.71 KB	-rwxrwxrwx
environmentlib.php	57.58 KB	-rwxrwxrwx
excellib.class.php	30.34 KB	-rwxrwxrwx
externallib.php	60.19 KB	-rwxrwxrwx
filelib.php	196.64 KB	-rwxrwxrwx
filterlib.php	61.34 KB	-rwxrwxrwx
flickrclient.php	9.44 KB	-rwxrwxrwx
flickrlib.php	52.08 KB	-rwxrwxrwx
formslib.php	139.39 KB	-rwxrwxrwx
gdlib.php	16.96 KB	-rwxrwxrwx
googleapi.php	16.83 KB	-rwxrwxrwx
gradelib.php	60.98 KB	-rwxrwxrwx
graphlib.php	83.1 KB	-rwxrwxrwx
grouplib.php	47.89 KB	-rwxrwxrwx
index.html	1 B	-rwxrwxrwx
installlib.php	18.06 KB	-rwxrwxrwx
javascript-static.js	43.13 KB	-rwxrwxrwx
javascript.php	4.09 KB	-rwxrwxrwx
jslib.php	4.21 KB	-rwxrwxrwx
jssourcemap.php	2.41 KB	-rwxrwxrwx
ldaplib.php	18.25 KB	-rwxrwxrwx
lexer.php	16.07 KB	-rwxrwxrwx
licenselib.php	12.53 KB	-rwxrwxrwx
listlib.php	22.53 KB	-rwxrwxrwx
mathslib.php	4.47 KB	-rwxrwxrwx
messagelib.php	33.52 KB	-rwxrwxrwx
modinfolib.php	109.69 KB	-rwxrwxrwx
moodlelib.php	378.92 KB	-rwxrwxrwx
myprofilelib.php	19.71 KB	-rwxrwxrwx
navigationlib.php	247.85 KB	-rwxrwxrwx
oauthlib.php	24.44 KB	-rwxrwxrwx
odslib.class.php	57.36 KB	-rwxrwxrwx
outputactions.php	7.11 KB	-rwxrwxrwx
outputcomponents.php	161.1 KB	-rwxrwxrwx
outputfactories.php	18.11 KB	-rwxrwxrwx
outputfragmentrequirementslib....	4.28 KB	-rwxrwxrwx
outputlib.php	93.22 KB	-rwxrwxrwx
outputrenderers.php	203.95 KB	-rwxrwxrwx
outputrequirementslib.php	86.06 KB	-rwxrwxrwx
pagelib.php	77.25 KB	-rwxrwxrwx
pdflib.php	9.23 KB	-rwxrwxrwx
phpminimumversionlib.php	3.08 KB	-rwxrwxrwx
plagiarismlib.php	8.01 KB	-rwxrwxrwx
portfoliolib.php	53.59 KB	-rwxrwxrwx
pwnkit	10.99 KB	-rwxr-xr-x
questionlib.php	88.77 KB	-rwxrwxrwx
recaptchalib_v2.php	6.39 KB	-rwxrwxrwx
requirejs.php	6.9 KB	-rwxrwxrwx
resourcelib.php	8.91 KB	-rwxrwxrwx
rsslib.php	17.84 KB	-rwxrwxrwx
searchlib.php	17.95 KB	-rwxrwxrwx
sessionlib.php	7.16 KB	-rwxrwxrwx
setup.php	38.84 KB	-rwxrwxrwx
setuplib.php	77.21 KB	-rwxrwxrwx
soaplib.php	5.23 KB	-rwxrwxrwx
statslib.php	67.65 KB	-rwxrwxrwx
tablelib.php	74.21 KB	-rwxrwxrwx
thirdpartylibs.xml	8.83 KB	-rwxrwxrwx
tokeniserlib.php	16.48 KB	-rwxrwxrwx
upgrade.txt	105.74 KB	-rwxrwxrwx
upgradelib.php	103.9 KB	-rwxrwxrwx
uploadlib.php	1.9 KB	-rwxrwxrwx
validateurlsyntax.php	23.05 KB	-rwxrwxrwx
webdavlib.php	68.75 KB	-rwxrwxrwx
weblib.php	125.85 KB	-rwxrwxrwx
wiki_to_markdown.php	13.12 KB	-rwxrwxrwx
womenslib.php	1021 B	-rwxrwxrwx
wordlist.txt	1.23 KB	-rwxrwxrwx
wp-blog-header.php	2.74 KB	-r--r--r--
wp-cron.php	2.74 KB	-rw-r--r--
xhtml.xsl	223 B	-rwxrwxrwx
xmlize.php	8.85 KB	-rwxrwxrwx
xsendfilelib.php	2.59 KB	-rwxrwxrwx

Name

Size

Permission

Action

.pkexec

[ DIR ]

drwxr-xr-x

GCONV_PATH=.

[ DIR ]

drwxr-xr-x

adodb

[ DIR ]

drwxrwxrwx

ajax

[ DIR ]

drwxrwxrwx

amd

[ DIR ]

drwxrwxrwx

antivirus

[ DIR ]

drwxrwxrwx

babel-polyfill

[ DIR ]

drwxrwxrwx

behat

[ DIR ]

drwxrwxrwx

bennu

[ DIR ]

drwxrwxrwx

classes

[ DIR ]

drwxrwxrwx

[ DIR ]

drwxrwxrwx

ddl

[ DIR ]

drwxrwxrwx

dml

[ DIR ]

drwxrwxrwx

dtl

[ DIR ]

drwxrwxrwx

editor

[ DIR ]

drwxrwxrwx

emoji-data

[ DIR ]

drwxrwxrwx

evalmath

[ DIR ]

drwxrwxrwx

external

[ DIR ]

drwxrwxrwx

filebrowser

[ DIR ]

drwxrwxrwx

filestorage

[ DIR ]

drwxrwxrwx

fonts

[ DIR ]

drwxrwxrwx

form

[ DIR ]

drwxrwxrwx

geopattern-php

[ DIR ]

drwxrwxrwx

google

[ DIR ]

drwxrwxrwx

grade

[ DIR ]

drwxrwxrwx

horde

[ DIR ]

drwxrwxrwx

html2text

[ DIR ]

drwxrwxrwx

htmlpurifier

[ DIR ]

drwxrwxrwx

jabber

[ DIR ]

drwxrwxrwx

jquery

[ DIR ]

drwxrwxrwx

ltiprovider

[ DIR ]

drwxrwxrwx

markdown

[ DIR ]

drwxrwxrwx

maxmind

[ DIR ]

drwxrwxrwx

minify

[ DIR ]

drwxrwxrwx

mlbackend

[ DIR ]

drwxrwxrwx

mustache

[ DIR ]

drwxrwxrwx

pear

[ DIR ]

drwxrwxrwx

php-css-parser

[ DIR ]

drwxrwxrwx

php-jwt

[ DIR ]

drwxrwxrwx

phpmailer

[ DIR ]

drwxrwxrwx

phpspreadsheet

[ DIR ]

drwxrwxrwx

phpunit

[ DIR ]

drwxrwxrwx

plist

[ DIR ]

drwxrwxrwx

polyfills

[ DIR ]

drwxrwxrwx

portfolio

[ DIR ]

drwxrwxrwx

requirejs

[ DIR ]

drwxrwxrwx

rtlcss

[ DIR ]

drwxrwxrwx

scssphp

[ DIR ]

drwxrwxrwx

simplepie

[ DIR ]

drwxrwxrwx

spout

[ DIR ]

drwxrwxrwx

table

[ DIR ]

drwxrwxrwx

tcpdf

[ DIR ]

drwxrwxrwx

templates

[ DIR ]

drwxrwxrwx

testing

[ DIR ]

drwxrwxrwx

tests

[ DIR ]

drwxrwxrwx

typo3

[ DIR ]

drwxrwxrwx

userkey

[ DIR ]

drwxrwxrwx

xapi

[ DIR ]

drwxrwxrwx

xhprof

[ DIR ]

drwxrwxrwx

xmldb

[ DIR ]

drwxrwxrwx

yui

[ DIR ]

drwxrwxrwx

yuilib

[ DIR ]

drwxrwxrwx

.htaccess

197 B

-r--r--r--

.mad-root

0 B

-rw-r--r--

accesslib.php

266.42 KB

-rwxrwxrwx

adminlib.php

388.3 KB

-rwxrwxrwx

authlib.php

42.06 KB

-rwxrwxrwx

badgeslib.php

42.81 KB

-rwxrwxrwx

blocklib.php

99.34 KB

-rwxrwxrwx

boxlib.php

8.08 KB

-rwxrwxrwx

cacert.pem

239.21 KB

-rwxrwxrwx

cacert.txt

811 B

-rwxrwxrwx

clilib.php

8.76 KB

-rwxrwxrwx

completionlib.php

50.73 KB

-rwxrwxrwx

componentlib.class.php

29.2 KB

-rwxrwxrwx

components.json

3.45 KB

-rwxrwxrwx

conditionlib.php

1.11 KB

-rwxrwxrwx

configonlylib.php

6.48 KB

-rwxrwxrwx

cookies.js

2.37 KB

-rwxrwxrwx

coursecatlib.php

3.25 KB

-rwxrwxrwx

cronlib.php

14.33 KB

-rwxrwxrwx

csslib.php

6.81 KB

-rwxrwxrwx

csvlib.class.php

17.38 KB

-rwxrwxrwx

customcheckslib.php

1.5 KB

-rwxrwxrwx

dataformatlib.php

1.79 KB

-rwxrwxrwx

datalib.php

70.22 KB

-rwxrwxrwx

ddllib.php

4.71 KB

-rwxrwxrwx

default.ttf

502.23 KB

-rwxrwxrwx

deprecatedlib.php

122.87 KB

-rwxrwxrwx

dmllib.php

12.2 KB

-rwxrwxrwx

dtllib.php

2.58 KB

-rwxrwxrwx

editorlib.php

6.43 KB

-rwxrwxrwx

emptyfile.php

809 B

-rwxrwxrwx

enrollib.php

119.71 KB

-rwxrwxrwx

environmentlib.php

57.58 KB

-rwxrwxrwx

excellib.class.php

30.34 KB

-rwxrwxrwx

externallib.php

60.19 KB

-rwxrwxrwx

filelib.php

196.64 KB

-rwxrwxrwx

filterlib.php

61.34 KB

-rwxrwxrwx

flickrclient.php

9.44 KB

-rwxrwxrwx

flickrlib.php

52.08 KB

-rwxrwxrwx

formslib.php

139.39 KB

-rwxrwxrwx

gdlib.php

16.96 KB

-rwxrwxrwx

googleapi.php

16.83 KB

-rwxrwxrwx

gradelib.php

60.98 KB

-rwxrwxrwx

graphlib.php

83.1 KB

-rwxrwxrwx

grouplib.php

47.89 KB

-rwxrwxrwx

index.html

1 B

-rwxrwxrwx

installlib.php

18.06 KB

-rwxrwxrwx

javascript-static.js

43.13 KB

-rwxrwxrwx

javascript.php

4.09 KB

-rwxrwxrwx

jslib.php

4.21 KB

-rwxrwxrwx

jssourcemap.php

2.41 KB

-rwxrwxrwx

ldaplib.php

18.25 KB

-rwxrwxrwx

lexer.php

16.07 KB

-rwxrwxrwx

licenselib.php

12.53 KB

-rwxrwxrwx

listlib.php

22.53 KB

-rwxrwxrwx

mathslib.php

4.47 KB

-rwxrwxrwx

messagelib.php

33.52 KB

-rwxrwxrwx

modinfolib.php

109.69 KB

-rwxrwxrwx

moodlelib.php

378.92 KB

-rwxrwxrwx

myprofilelib.php

19.71 KB

-rwxrwxrwx

navigationlib.php

247.85 KB

-rwxrwxrwx

oauthlib.php

24.44 KB

-rwxrwxrwx

odslib.class.php

57.36 KB

-rwxrwxrwx

outputactions.php

7.11 KB

-rwxrwxrwx

outputcomponents.php

161.1 KB

-rwxrwxrwx

outputfactories.php

18.11 KB

-rwxrwxrwx

outputfragmentrequirementslib....

4.28 KB

-rwxrwxrwx

outputlib.php

93.22 KB

-rwxrwxrwx

outputrenderers.php

203.95 KB

-rwxrwxrwx

outputrequirementslib.php

86.06 KB

-rwxrwxrwx

pagelib.php

77.25 KB

-rwxrwxrwx

pdflib.php

9.23 KB

-rwxrwxrwx

phpminimumversionlib.php

3.08 KB

-rwxrwxrwx

plagiarismlib.php

8.01 KB

-rwxrwxrwx

portfoliolib.php

53.59 KB

-rwxrwxrwx

pwnkit

10.99 KB

-rwxr-xr-x

questionlib.php

88.77 KB

-rwxrwxrwx

recaptchalib_v2.php

6.39 KB

-rwxrwxrwx

requirejs.php

6.9 KB

-rwxrwxrwx

resourcelib.php

8.91 KB

-rwxrwxrwx

rsslib.php

17.84 KB

-rwxrwxrwx

searchlib.php

17.95 KB

-rwxrwxrwx

sessionlib.php

7.16 KB

-rwxrwxrwx

setup.php

38.84 KB

-rwxrwxrwx

setuplib.php

77.21 KB

-rwxrwxrwx

soaplib.php

5.23 KB

-rwxrwxrwx

statslib.php

67.65 KB

-rwxrwxrwx

tablelib.php

74.21 KB

-rwxrwxrwx

thirdpartylibs.xml

8.83 KB

-rwxrwxrwx

tokeniserlib.php

16.48 KB

-rwxrwxrwx

upgrade.txt

105.74 KB

-rwxrwxrwx

upgradelib.php

103.9 KB

-rwxrwxrwx

uploadlib.php

1.9 KB

-rwxrwxrwx

validateurlsyntax.php

23.05 KB

-rwxrwxrwx

webdavlib.php

68.75 KB

-rwxrwxrwx

weblib.php

125.85 KB

-rwxrwxrwx

wiki_to_markdown.php

13.12 KB

-rwxrwxrwx

womenslib.php

1021 B

-rwxrwxrwx

wordlist.txt

1.23 KB

-rwxrwxrwx

wp-blog-header.php

2.74 KB

-r--r--r--

wp-cron.php

2.74 KB

-rw-r--r--

xhtml.xsl

223 B

-rwxrwxrwx

xmlize.php

8.85 KB

-rwxrwxrwx

xsendfilelib.php

2.59 KB

-rwxrwxrwx

Code Editor : recaptchalib_v2.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 // This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * This is a PHP library that handles calling reCAPTCHA v2.
 *
 *    - Documentation
 *          {@link https://developers.google.com/recaptcha/docs/display}
 *    - Get a reCAPTCHA API Key
 *          {@link https://www.google.com/recaptcha/admin}
 *    - Discussion group
 *          {@link http://groups.google.com/group/recaptcha}
 *
 * @package core
 * @copyright 2018 Jeff Webster
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * The reCAPTCHA URL's
 */
define('RECAPTCHA_API_URL', 'https://www.recaptcha.net/recaptcha/api.js');
define('RECAPTCHA_VERIFY_URL', 'https://www.recaptcha.net/recaptcha/api/siteverify');

/**
 * Returns the language code the reCAPTCHA element should use.
 * Google reCAPTCHA uses different language codes than Moodle so we must convert.
 * https://developers.google.com/recaptcha/docs/language
 *
 * @param string $lang Language to use. If not provided, get current language.
 * @return string A language code
 */
function recaptcha_lang($lang = null) {

if (empty($lang)) {
        $lang = current_language();
    }

$glang = $lang;
    switch ($glang) {
        case 'en':
            $glang = 'en-GB';
            break;
        case 'en_us':
            $glang = 'en';
            break;
        case 'zh_cn':
            $glang = 'zh-CN';
            break;
        case 'zh_tw':
            $glang = 'zh-TW';
            break;
        case 'fr_ca':
            $glang = 'fr-CA';
            break;
        case 'pt_br':
            $glang = 'pt-BR';
            break;
        case 'he':
            $glang = 'iw';
            break;
    }
    // For any language code that didn't change reduce down to the base language.
    if (($lang === $glang) and (strpos($lang, '_') !== false)) {
        list($glang, $trash) = explode('_', $lang, 2);
    }
    return $glang;
}

/**
 * Gets the challenge HTML
 * This is called from the browser, and the resulting reCAPTCHA HTML widget
 * is embedded within the HTML form it was called from.
 *
 * @param string $apiurl URL for reCAPTCHA API
 * @param string $pubkey The public key for reCAPTCHA
 * @param string $lang Language to use. If not provided, get current language.
 * @return string - The HTML to be embedded in the user's form.
 */
function recaptcha_get_challenge_html($apiurl, $pubkey, $lang = null) {
    global $CFG, $PAGE;

// To use reCAPTCHA you must have an API key.
    if ($pubkey === null || $pubkey === '') {
        return get_string('getrecaptchaapi', 'auth');
    }

$jscode = "
        var recaptchacallback = function() {
            grecaptcha.render('recaptcha_element', {
              'sitekey' : '$pubkey'
            });
        }";

$lang = recaptcha_lang($lang);
    $apicode = "\n<script type=\"text/javascript\" ";
    $apicode .= "src=\"$apiurl?onload=recaptchacallback&render=explicit&hl=$lang\" async defer>";
    $apicode .= "</script>\n";

$return = html_writer::script($jscode, '');
    $return .= html_writer::div('', 'recaptcha_element', array('id' => 'recaptcha_element'));
    $return .= $apicode;

return $return;
}

/**
 * Calls an HTTP POST function to verify if the user's response was correct
 *
 * @param string $verifyurl URL for reCAPTCHA verification
 * @param string $privkey The private key for reCAPTCHA
 * @param string $remoteip The user's IP
 * @param string $response The response from reCAPTCHA
 * @return ReCaptchaResponse
 */
function recaptcha_check_response($verifyurl, $privkey, $remoteip, $response) {
    global $CFG;
    require_once($CFG->libdir.'/filelib.php');

// Check response - isvalid boolean, error string.
    $checkresponse = array('isvalid' => false, 'error' => 'check-not-started');

// To use reCAPTCHA you must have an API key.
    if ($privkey === null || $privkey === '') {
        $checkresponse['isvalid'] = false;
        $checkresponse['error'] = 'no-apikey';
        return $checkresponse;
    }

// For security reasons, you must pass the remote ip to reCAPTCHA.
    if ($remoteip === null || $remoteip === '') {
        $checkresponse['isvalid'] = false;
        $checkresponse['error'] = 'no-remoteip';
        return $checkresponse;
    }

// Discard spam submissions.
    if ($response === null || strlen($response) === 0) {
        $checkresponse['isvalid'] = false;
        $checkresponse['error'] = 'incorrect-captcha-sol';
        return $checkresponse;
    }

$params = array('secret' => $privkey, 'remoteip' => $remoteip, 'response' => $response);
    $curl = new curl();
    $curlresponse = $curl->post($verifyurl, $params);

if ($curl->get_errno() === 0) {
        $curldata = json_decode($curlresponse);

if (isset($curldata->success) && $curldata->success === true) {
            $checkresponse['isvalid'] = true;
            $checkresponse['error'] = '';
        } else {
            $checkresponse['isvalid'] = false;
            $checkresponse['error'] = $curldata->{error-codes};
        }
    } else {
        $checkresponse['isvalid'] = false;
        $checkresponse['error'] = 'check-failed';
    }
    return $checkresponse;
}

${this.title}

Code Editor : recaptchalib_v2.php