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mt-captcha.php
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<?php
/*
* Plugin Name: MTCaptcha WordPress Plugin
* Description: MTCaptcha is a efficient security solution to protect your wordpress website against spam comments and brute-force attacks. It can be integrated with the comments, login, registration, forgot password, contact form 7 and woocommerce checkout
* Version: 2.7.3
* Author: MTCaptcha
* Author URI: https://www.mtcaptcha.com
* License: Apache License, captchaLabel 2.0
* Text Domain: mtcaptcha
*/
if (!defined('ABSPATH')) {
die('Direct access not allowed!');
}
class mtcaptcha
{
const UPDATE = 'update';
const DISABLE = 'disable';
const MT_ACTION = 'mt_action';
const MT_PAGE_OPTIONS_QUERY = '?page=mt_options';
const MT_OPTION_SHOW_CAPTCHA_LABEL = 'mt_captcha_show_captcha_label_form';
const MT_OPTION_SITE_KEY = 'mt_site_key';
const MT_OPTION_PRIVATE_KEY = 'mt_site_private_key';
const MT_OPTION_ENABLE = 'mt_captcha_enable';
const MT_OPTION_ENABLE_CAPTCHA_FOR_FORMS = 'mt_captcha_disable_mtcaptcha';
const MT_OPTION_THEME = 'mt_captcha_theme';
const MT_OPTION_LANGUAGE = 'mt_captcha_lang';
const MT_OPTION_WIDGET_SIZE = 'mt_captcha_widget_size';
const MT_OPTION_ENABLE_JSON_VALUE = 'mt_captcha_enable_json_value';
const MT_OPTION_JSON_VALUE = 'mt_captcha_json_value';
private $pluginName;
private $captchaLabel;
private $loginFormCheckbox;
private $registrationFormCheckbox;
private $lostPasswordFormCheckbox;
private $resetPasswordFormCheckbox;
private $commentFormCheckbox;
private $woocommerceFormCheckbox;
private $contactFormCheckbox;
private $privateKey;
private $siteKey;
private $enableCaptcha;
private $theme;
private $language;
private $jsonValue;
private $jsonElement;
private $widgetSize;
/**
* MTCaptcha constructor.
*/
public function __construct()
{
add_action('init', [$this, 'run']);
add_action( 'wpcf7_init', [$this, 'mt_wpcf7_add_mtcaptcha_tag'], 20 );
add_action('activated_plugin', [$this, 'activation']);
}
public function updateSettings()
{
if (current_user_can('manage_options')) {
$hash = null;
$options = [self::MT_OPTION_SHOW_CAPTCHA_LABEL,
self::MT_OPTION_SITE_KEY,
self::MT_OPTION_PRIVATE_KEY,
self::MT_OPTION_ENABLE,
self::MT_OPTION_THEME,
self::MT_OPTION_LANGUAGE,
self::MT_OPTION_WIDGET_SIZE,
self::MT_OPTION_ENABLE_JSON_VALUE,
self::MT_OPTION_JSON_VALUE
];
foreach ($options as $option) {
$postValue = filter_input(INPUT_POST, $option, FILTER_SANITIZE_SPECIAL_CHARS);
if (!$postValue) {
$postValue = '';
}
update_option($option, $postValue);
if (substr_count($option, 'key')) {
$hash .= $postValue;
}
}
$enable_captcha_forms = filter_input(INPUT_POST, self::MT_OPTION_ENABLE_CAPTCHA_FOR_FORMS, FILTER_DEFAULT, FILTER_REQUIRE_ARRAY);
update_option(self::MT_OPTION_ENABLE_CAPTCHA_FOR_FORMS, $enable_captcha_forms);
}
}
/**
* @param $links
* @return array
*/
public function action_links($links)
{
return array_merge(['settings' => sprintf('<a href="options-general.php%s">%s</a>', self::MT_PAGE_OPTIONS_QUERY, __('Setings', 'mtcaptcha'))], $links);
}
public function activation($plugin)
{
if ($plugin === plugin_basename(__FILE__) && (!get_option(self::MT_OPTION_PRIVATE_KEY) || !get_option(self::MT_OPTION_ENABLE))) {
exit(wp_redirect(admin_url(sprintf('options-general.php%s', self::MT_PAGE_OPTIONS_QUERY))));
}
}
public function mt_captcha_display_content(){
echo "<p id='mt_captcha_display'>".__("You have to <a href=\"https://www.mtcaptcha.com/pricing/\" target=\"blank\" rel=\"external\">register your domain</a> first, get private key from MTCaptcha and save it below.", "mtcaptcha")."</p>";
}
public function options_page()
{
echo sprintf('<div class="wrap"><h1>%s - %s</h1><form method="post" action="%s">', $this->pluginName, __('Settings', 'mtcaptcha'), self::MT_PAGE_OPTIONS_QUERY);
settings_fields('mt_captcha_header_section');
settings_fields("mt_captcha_basic_option_header_section");
settings_fields("mt_captcha_adv_option_header_section");
do_settings_sections('mt_options');
submit_button();
echo sprintf('<input type="hidden" name="%s" value="%s">%s</form>%s</div>', self::MT_ACTION, self::UPDATE, PHP_EOL," ");
}
public function menu()
{
add_submenu_page('options-general.php', $this->pluginName, 'MTCaptcha', 'manage_options', 'mt_options', [$this, 'options_page']);
add_action('admin_init', [$this, 'display_options']);
}
public function display_mt_site_private_key()
{
echo sprintf('<input type="text" name="%1$s" class="regular-text" id="%1$s" value="%2$s" /><br/>', self::MT_OPTION_PRIVATE_KEY, $this->privateKey);
echo 'The private key given to you when you <a href="https://admin.mtcaptcha.com/signup/profile?plantype=A" target="blank">register for mtcaptcha.</a>';
}
public function display_mt_captcha_enable()
{
function getEnableCaptcha(){
$mt_captcha_enable = filter_var(get_option("mt_captcha_enable"), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$captcha_enable_options = "";
$enable_options = array(
"all" => "All Users",
"login" => "Logged in Users",
"logout" => "Logged Out Users"
);
foreach( $enable_options as $captcha_enable_eoption => $en_option ) {
if($captcha_enable_eoption === $mt_captcha_enable){
$captcha_enable_options = $captcha_enable_options."<option selected value=\"{$captcha_enable_eoption}\">{$en_option}</option>";
}else{
$captcha_enable_options = $captcha_enable_options."<option value=\"{$captcha_enable_eoption}\">{$en_option}</option>";
}
}
return $captcha_enable_options;
}
echo "<select name=\"mt_captcha_enable\" id=\"mt_captcha_enable\" > ".getEnableCaptcha()."</select>";
}
public function display_mt_captcha_disable_mtcaptcha()
{
$checkbox_options = (!empty(get_option("mt_captcha_disable_mtcaptcha"))) ? get_option("mt_captcha_disable_mtcaptcha") : [];
$wp_forms = array(
'login' => __( 'Login Form', 'mtcaptcha' ),
'registration' => __( 'Registration Form', 'mtcaptcha' ),
'lost_password' => __( 'Lost Password Form', 'mtcaptcha' ),
'reset_password' => __( 'Reset Password Form', 'mtcaptcha' ),
'comment' => __( 'Comment Form', 'mtcaptcha' ),
'wc_checkout' => __( 'WooCommerce Checkout', 'mtcaptcha' ),
'contact_form' => __( 'Contact Form 7', 'mtcaptcha' )
);
foreach( $wp_forms as $formId => $formName ) {
if(sizeof($checkbox_options) == 0) {
$html = "<input type=\"checkbox\" name=\"mt_captcha_disable_mtcaptcha[$formId]\" id=\"mt_captcha_{$formId}_check_disable\" value=\"{$formId}\" ".checked(true, false , false)."/>";
} else {
if(isset($checkbox_options[$formId])) {
$html = "<input type=\"checkbox\" name=\"mt_captcha_disable_mtcaptcha[$formId]\" id=\"mt_captcha_{$formId}_check_disable\" value=\"{$formId}\" ".checked($formId, $checkbox_options[$formId], false)."/>";
} else {
$html = "<input type=\"checkbox\" name=\"mt_captcha_disable_mtcaptcha[$formId]\" id=\"mt_captcha_{$formId}_check_disable\" value=\"{$formId}\" ".checked(true, false , false)."/>";
}
}
$html .= "<label for=\"mt_captcha_{$formId}_check_disable\">".$formName."</label></br>";
echo $html;
}
}
public function display_mt_captcha_show_captcha_label_form()
{
echo sprintf('<input type="checkbox" name="%1$s" id="%1$s" value="3" %2$s />', self::MT_OPTION_SHOW_CAPTCHA_LABEL, checked(3, $this->captchaLabel, false));
echo"Show or Hide Captcha label in the forms";
}
public function display_mt_site_key()
{
echo sprintf('<input type="text" name="%1$s" class="regular-text" id="%1$s" value="%2$s" /><br/>', self::MT_OPTION_SITE_KEY, $this->siteKey);
echo 'The site key given to you when you <a href="https://admin.mtcaptcha.com/signup/profile?plantype=A" target="blank">register for mtcaptcha.</a>';
}
public function display_mt_captcha_theme()
{
function getThemes(){
$mt_captcha_theme = filter_var(get_option("mt_captcha_theme"), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$theme_options = "";
$themes = ["standard", "overcast", "neowhite", "goldbezel", "blackmoon", "darkruby", "touchoforange", "caribbean", "woodyallen", "chrome", "highcontrast"];
foreach( $themes as $theme ) {
if($theme === $mt_captcha_theme){
$theme_options = $theme_options."<option selected value=\"{$theme}\">{$theme}</option>";
}else{
$theme_options = $theme_options."<option value=\"{$theme}\">{$theme}</option>";
}
}
return $theme_options;
}
echo "<select name=\"mt_captcha_theme\" id=\"mt_captcha_theme\"> ".getThemes()."</select>";
}
public function display_mt_captcha_lang()
{
function getLanguage(){
$mt_captcha_lang = filter_var(get_option("mt_captcha_lang"), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$lang_options = "";
$languages = array(
"en" => "English(en)",
"ar" => "Arabic(ar)",
"af" => "Afrikaans(af)",
"am" => "Amharic(am)",
"hy" => "Armenian(hy)",
"az" => "Azerbaijani(az)",
"eu" => "Basque(eu)",
"bn" => "Bengali(bn)",
"bg" => "Bulgarian(bg)",
"ca" => "Catalan(ca)",
"zh-hk" => "Chinese (Hong Kong)(zh-HK)",
"zh" => "Chinese(zh)",
"hr" => "Croatian(hr)",
"cs" => "Czech(cs)",
"da" => "Danish(da)",
"nl" => "Dutch(nl)",
"en" => "English",
"et" => "Estonian(et)",
"fil" => "Filipino(fil)",
"fi" => "Finnish(fi)",
"fr" => "French(fr)",
"gl" => "Galician(gl)",
"ka" => "Georgian(ka)",
"de" => "German(de)",
"el" => "Greek(el)",
"gu" => "Gujarati(gu)",
"iw" => "Hebrew(iw)",
"hi" => "Hindi(hi)",
"hu" => "Hungarain(hu)",
"is" => "Icelandic(is)",
"id" => "Indonesian(id)",
"it" => "Italian(it)",
"ja" => "Japanese(ja)",
"kn" => "Kannada(kn)",
"ko" => "Korean(ko)",
"ko" => "Korean(ko)",
"lv" => "Latvian(lv)",
"lt" => "Lithuanian(lt)",
"ms" => "Malay(ms)",
"ml" => "Malayalam(ml)",
"mr" => "Marathi(mr)",
"mn" => "Mongolian(mn)",
"no" => "Norwegian(no)",
"fa" => "Persian(fa)",
"pl" => "Polish(pl)",
"pt" => "Portuguese(pt)",
"ro" => "Romanian(ro)",
"ru" => "Russian(ru)",
"si" => "Sinhalese(si)",
"sr" => "Serbian(sr)",
"sk" => "Slovak(sk)",
"sl" => "Slovenian(sl)",
"es" => "Spanish(es)",
"sw" => "Swahili(sw)",
"sv" => "Swedish(sv)",
"ta" => "Tamil(ta)",
"te" => "Telugu(te)",
"th" => "Thai(th)",
"tr" => "Turkish(tr)",
"uk" => "Ukrainian(uk)",
"ur" => "Urdu(ur)",
"vi" => "Vietnamese(vi)",
"zu" => "Zulu(zu)"
);
foreach( $languages as $langCode => $lang ) {
if($langCode === $mt_captcha_lang){
$lang_options = $lang_options."<option selected value=\"{$langCode}\">{$lang}</option>";
}else{
$lang_options = $lang_options."<option value=\"{$langCode}\">{$lang}</option>";
}
}
return $lang_options;
}
echo "<select name=\"mt_captcha_lang\" id=\"mt_captcha_lang\"> ".getLanguage()."</select>";
}
public function display_mt_captcha_widget_size()
{
function getWidgetSize(){
$mt_captcha_widget_size = filter_var(get_option("mt_captcha_widget_size"), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$widget_size_options = "";
$widget_sizes = array(
"standard" => "standard",
"mini" => "modern mini" );
foreach( $widget_sizes as $captcha_widget_size => $widget_size ) {
if($captcha_widget_size === $mt_captcha_widget_size){
$widget_size_options = $widget_size_options."<option selected value=\"{$captcha_widget_size}\">{$widget_size}</option>";
}else{
$widget_size_options = $widget_size_options."<option value=\"{$captcha_widget_size}\">{$widget_size}</option>";
}
}
return $widget_size_options;
}
echo "<select name=\"mt_captcha_widget_size\" id=\"mt_captcha_widget_size\"> ".getWidgetSize()."</select>";
}
public function display_mt_captcha_enable_json_value()
{
$captcha_enable_json_status = (!empty(get_option("mt_captcha_enable_json_value"))) ? get_option("mt_captcha_enable_json_value") : false;
$show_captcha_enable_json = array(
'enable_json_value' => __('Yes', 'mtcaptcha' ),
);
if($captcha_enable_json_status == TRUE) {
$html = "<input type=\"checkbox\" name=\"mt_captcha_enable_json_value\" id=\"mt_captcha_enable_json_value_check_disable\" onclick=\"custom_captcha_enable_or_disable()\" value=\"{$show_captcha_enable_json['enable_json_value']}\" ".checked(true, true , false)."/>";
} else {
$html = "<input type=\"checkbox\" name=\"mt_captcha_enable_json_value\" id=\"mt_captcha_enable_json_value_check_disable\" onclick=\"custom_captcha_enable_or_disable()\" value=\"{$show_captcha_enable_json['enable_json_value']}\" ".checked(true, false , false)."/>";
}
$html .= "<label for=\"mt_captcha_enable_json_value_check_disable\">".$show_captcha_enable_json['enable_json_value']."</label></br>";
echo $html;
echo'
Provides the custom configuration to render
the MTCaptcha in your forms.<br/><br/>
1. You have to <a href="https://www.mtcaptcha.com/pricing/"
target="blank" rel="external">register your domain</a>
and get your required keys.<br/>
2. Visit <a href="http://service.mtcaptcha.com/mtcv1/demo/"
target="blank" rel="external">MTCaptcha demo page</a>
to customize the MTCaptcha configuration.<br/>
3. Under Basic Options, Provide your site key in the Sitekey field. <br/>
4. Choose the <b>Render Type as "explicit" </b><br/>
5. Choose the <b>Auto Form validate as "True" </b><br/>
6. Customize the <b>Basic Options</b>,
<b>Custom Style</b> and <b>Custom Language</b>.<br/>
7. Click on Apply button to view the changes. <br/>
8. If the changes are looks good,
then copy the snippet located inside the <b>script</b>
tag under <b>Embed Snippet</b> tab. <br/>
9. Paste the copied snippet to the below textbox. <br/>';
}
public function display_mt_captcha_json_value() {
$mt_captcha_json_value = filter_var(get_option("mt_captcha_json_value"), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
echo "<textarea
name='mt_captcha_json_value'
class='regular-text'
id='mt_captcha_json_value'
rows='10'
cols='50'
placeholder = 'var mtcaptchaConfig = {
\"sitekey\": \"YOUR SITE KEY\",
\"widgetSize\": \"mini\",
\"lang\": \"en\",
\"autoFormValidate\": true,
\"loadAnimation\": true,
\"render\": \"explicit\",
\"renderQueue\":[]
};
(function(){var mt_service = document.createElement(\"script\");
mt_service.async = true;
mt_service.src=\"https://service.mtcaptcha.com/mtcv1/client/mtcaptcha.min.js\";
(document.getElementsByTagName(\"head\")[0] ||
document.getElementsByTagName(\"body\")[0]).appendChild(mt_service);
var mt_service2 = document.createElement(\"script\");
mt_service2.async = true;
mt_service2.src=\"https://service2.mtcaptcha.com/mtcv1/client/mtcaptcha2.min.js\";
(document.getElementsByTagName(\"head\")[0] ||
document.getElementsByTagName(\"body\")[0]).appendChild(mt_service2);}) ();'
>"
.$mt_captcha_json_value.
'</textarea>';
?> <script>custom_captcha_enable_or_disable(); </script> <?php
}
public function display_options()
{
add_settings_section("mt_captcha_header_section", __("<h2 id='mtcaptcha_head' >MTCaptcha Common Settings</h2>", "mtcaptcha"), "mt_captcha_display_content", "mt-options");
$fields = [
['id' => self::MT_OPTION_SITE_KEY, 'label' => __("Site Key <sup id='site_astrik' class='required'>*</sup>", 'mtcaptcha')],
['id' => self::MT_OPTION_PRIVATE_KEY, 'label' => __("Private Key <sup id='prvte_astrik' class='required'>*</sup>", 'mtcaptcha')],
['id' => self::MT_OPTION_ENABLE, 'label' => __('Enable MTCaptcha for', 'mtcaptcha')],
['id' => self::MT_OPTION_ENABLE_CAPTCHA_FOR_FORMS, 'label' => __('Enable MTCaptcha', 'mtcaptcha')],
['id' => self::MT_OPTION_SHOW_CAPTCHA_LABEL, 'label' => __('Show Captcha label in the form', 'mtcaptcha')],
];
add_settings_section('mt_captcha_header_section', __('MTCaptcha Common Settings<p id="mt_captcha_display">You have to <a href=\"https://www.mtcaptcha.com/pricing/\" target=\"blank\" rel=\"external\">register your domain</a> first, get site & private key from MTCaptcha and save it below.</p>', 'mtcaptcha'), [], 'mt_options');
foreach ($fields as $field) {
add_settings_field($field['id'], $field['label'], [$this, sprintf('display_%s', $field['id'])], 'mt_options', 'mt_captcha_header_section');
register_setting('mt_captcha_header_section', $field['id']);
}
$basicFields = [
['id' => self::MT_OPTION_THEME, 'label' => __('Theme', 'mtcaptcha')],
['id' => self::MT_OPTION_LANGUAGE, 'label' => __('Language', 'mtcaptcha')],
['id' => self::MT_OPTION_WIDGET_SIZE, 'label' => __('Widget Size', 'mtcaptcha')],
];
add_settings_section('mt_captcha_basic_option_header_section', __('MTCaptcha Basic Options', 'mtcaptcha'), [], 'mt_options');
foreach ($basicFields as $basicField) {
add_settings_field($basicField['id'], $basicField['label'], [$this, sprintf('display_%s', $basicField['id'])], 'mt_options', 'mt_captcha_basic_option_header_section');
register_setting('mt_captcha_basic_option_header_section', $basicField['id']);
}
$advFields = [
['id' => self::MT_OPTION_ENABLE_JSON_VALUE, 'label' => __('Enable Custom MTCaptcha configuration', 'mtcaptcha')],
['id' => self::MT_OPTION_JSON_VALUE, 'label' => __(' ', 'mtcaptcha')],
];
add_settings_section('mt_captcha_adv_option_header_section', __('MTCaptcha Advanced Options', 'mtcaptcha'), [], 'mt_options');
foreach ($advFields as $advField) {
add_settings_field($advField['id'], $advField['label'], [$this, sprintf('display_%s', $advField['id'])], 'mt_options', 'mt_captcha_adv_option_header_section');
register_setting('mt_captcha_adv_option_header_section', $advField['id']);
}
$plugin_path_styles = plugin_dir_url( __FILE__ ).'style.css';
$plugin_path_scripts = plugin_dir_url( __FILE__ ).'common_script.js';
wp_enqueue_style( 'mtcaptcha-styles', $plugin_path_styles , false, '1.1', 'all');
wp_enqueue_script('common-scripts', $plugin_path_scripts);
}
function mt_captcha_wc_checkout_verify($data, $errors) {
global $message_statement;
if (!$this->mt_captcha_verify()) {
$message = $message_statement;
$errors->add( 'validation', $message . "<br/>");
}
}
function mt_captcha_comment_and_contact_form_verify($spam) {
if ($this->mt_captcha_verify()) {
return false;
} else {
return true;
}
}
function mt_captcha_common_verify($input) {
global $message_statement;
if ($this->mt_captcha_verify()) {
return $input;
} else {
$errorTitle = 'MTCaptcha';
$errorParams = ['response' => 403, 'back_link' => 1];
$failedMsg = '<p><strong>%s:</strong> MTCaptcha %s. %s</p>';
$error = __('Error', 'mtcaptcha');
$verificationFailed = __('verification failed', 'mtcaptcha');
$message = $message_statement;
wp_die(sprintf($failedMsg, $error, $verificationFailed, $message), $errorTitle, $errorParams);
}
}
function mt_captcha_verify() {
global $message_statement;
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST["mtcaptcha-verifiedtoken"])) {
$mtcaptchaVerifiedtoken = filter_input(INPUT_POST, "mtcaptcha-verifiedtoken", FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$response = wp_remote_get("https://service.mtcaptcha.com/mtcv1/api/checktoken?privatekey={$this->privateKey}&token={$mtcaptchaVerifiedtoken}");
$response = json_decode($response["body"], 1);
if ($response["success"]) {
return true;
} else {
$this->validate_error_token($response);
return false;
}
} else {
$message = $message_statement;
wp_die($message, "MTCaptcha", array("response" => 403, "back_link" => 1));
}
}
function validate_error_token($response) {
$error_codes = array(
'token-expired' => ('The token has expired.'),
'token-duplicate-cal' => ('The token has been verified already.'),
'bad-request' => ('The request is invalid or malformed.'),
'missing-input-privatekey' => ('`privatekey` parameter is missing'),
'missing-input-token' => (' ‘token’ parameter is missing.'),
'invalid-privatekey' => ('The private key is invalid or malformed.'),
'invalid-token' => ('The token parameter is invalid or malformed.'),
'invalid-token-faildecrypt' => ('The token parameter is invalid or malformed.'),
'privatekey-mismatch-token' => ('The token and the privatekey does not match.'),
'expired-sitekey-or-account' => ('The sitekey/privatekey is no longer valid due to expiration or account closure.'),
'network-error' => ('Something went wrong!'),
'unknown-error' => ('Something went wrong!')
);
foreach ($response['fail_codes'] as $code) {
if (!isset($error_codes[$code])) {
$code = 'unknown-error';
}
$message = "<p><strong>".__("ERROR:", "mtcaptcha")."</strong> ".__($error_codes[$code], "mtcaptcha")."</p>";
global $message_statement;
$message_statement = $message;
}
}
function mt_captcha_display() {
$randomId = "mtcaptcha-".strval(rand());
if($this->captchaLabel){
echo"<label >Captcha <span class='required'>*</span></label>";
}
echo '<div id="'.$randomId.'"></div>';
$this->pushTorenderQueue($randomId);
}
function pushTorenderQueue($randomId) {?>
<script type="text/javascript">
if(typeof mtcaptchaConfig != "undefined") {
mtcaptchaConfig.renderQueue.push(<?php echo "'$randomId'" ?>);
}
</script><?php
}
public function enqueue_main()
{
wp_register_script("mt_captcha_captcha_main", "");
wp_enqueue_script("mt_captcha_captcha_main");
if($this->jsonValue == "Yes"){
wp_add_inline_script('mt_captcha_captcha_main',wp_specialchars_decode(html_entity_decode($this->jsonElement, ENT_QUOTES)));
}else{
wp_add_inline_script('mt_captcha_captcha_main','var mtcaptchaConfig ='
.json_encode(array("sitekey" => $this->siteKey,
"autoFormValidate" => (bool)true,
"render" => "explicit",
"renderQueue" => ["mtcaptcha"],
"theme" => $this->theme,
"widgetSize" => $this->widgetSize,
"lang" => $this->language
)));
function mt_captcha_load_script(){ ?>
<script type="text/javascript">
(function(){var mt_captcha_service = document.createElement('script');mt_captcha_service.async = true;mt_captcha_service.src = 'https://service.mtcaptcha.com/mtcv1/client/mtcaptcha.min.js';(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(mt_captcha_service);
var mt_captcha_service2 = document.createElement('script');mt_captcha_service2.async = true;mt_captcha_service2.src = 'https://service2.mtcaptcha.com/mtcv1/client/mtcaptcha2.min.js';(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(mt_captcha_service2);
}) ();
</script><?php
}
add_action ( 'wp_head', 'mt_captcha_load_script' );
add_action( 'login_head', 'mt_captcha_load_script' );
}
wp_enqueue_style("style", plugin_dir_url(__FILE__)."style.css?v=2.9");
}
public function frontend()
{
$this->enqueue_main();
$mt_display_list = [];
$mt_captcha_verify_list = [];
if ((!empty($this->loginFormCheckbox))
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, 'login_form', 'woocommerce_login_form');
array_push($mt_captcha_verify_list, "wp_authenticate_user");
}
if (!empty($this->lostPasswordFormCheckbox)
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, "lost_password", "lostpassword_form", "woocommerce_lostpassword_form");
array_push($mt_captcha_verify_list, "lostpassword_post");
}
if (!empty($this->registrationFormCheckbox)
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, "bp_after_signup_profile_fields", "register_form", "woocommerce_register_form");
array_push($mt_captcha_verify_list, "bp_signup_validate", "registration_errors", "woocommerce_registration_errors");
}
if (!empty($this->commentFormCheckbox)
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, "comment_form_after_fields");
array_push($mt_captcha_verify_list, 'preprocess_comment');
}
if (!empty($this->resetPasswordFormCheckbox)
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, "retrieve_password", "resetpass_form", "woocommerce_resetpassword_form");
array_push($mt_captcha_verify_list, "resetpass_post");
}
if ((!empty($this->woocommerceFormCheckbox))
&& (($this->enableCaptcha == "logout" && !is_user_logged_in())
|| $this->enableCaptcha == "all" || ($this->enableCaptcha == "login" && is_user_logged_in()) )) {
array_push($mt_display_list, "woocommerce_after_order_notes");
add_action("woocommerce_after_checkout_validation", array($this, "mt_captcha_wc_checkout_verify"), 10, 2 );
}
$mtcDisplay = 'mt_captcha_display';
$mtcVerify = 'mt_captcha_common_verify';
foreach ($mt_display_list as $mt_display) {
add_action($mt_display, [$this, $mtcDisplay]);
}
foreach($mt_captcha_verify_list as $mt_captcha_verify) {
add_action($mt_captcha_verify,[$this, $mtcVerify]);
}
}
function mt_wpcf7_mtcaptcha_form_tag_handler( $tag ) {
$contactFormId = "contact-form-".strval(rand());
$this->pushTorenderQueue($contactFormId);
$contact_html = '';
if(get_option("mt_captcha_show_captcha_label_form") == TRUE){
$contact_html = "<label for='mtcaptcha'>Captcha <span class='required'>*</span> </label>";
}
$contact_html = $contact_html .'<div id="'.$contactFormId.'" class="wpcf7-form-control-wrap">%s</div>';
return sprintf( $contact_html , '' );
}
function mt_wpcf7_add_mtcaptcha_tag() {
$checkbox_options = (!empty(get_option("mt_captcha_disable_mtcaptcha"))) ? get_option("mt_captcha_disable_mtcaptcha") : [];
if (empty(isset($checkbox_options['contact_form']))) {
return;
}
wpcf7_remove_form_tag( 'mtcaptcha' );
wpcf7_add_form_tag(
'mtcaptcha',
[$this, 'mt_wpcf7_mtcaptcha_form_tag_handler'],
array( 'display-block' => true )
);
add_filter( 'wpcf7_spam', [$this, 'mt_captcha_comment_and_contact_form_verify'], 10, 1 );
}
function mt_wpcf7_add_tag_generator_mtcaptcha() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add(
'mtcaptcha',
esc_html__( 'MTCaptcha', 'wpcf7-mtcaptcha' ),
'mt_wpcf7_tag_generator_mtcaptcha',
array( 'nameless' => 1 )
);
}
public function run()
{
$this->pluginName = get_file_data(__FILE__, ['Name' => 'Plugin Name'])['Name'];
$postAction = filter_input(INPUT_POST, self::MT_ACTION, FILTER_SANITIZE_SPECIAL_CHARS);
if ($postAction === self::UPDATE) {
$this->updateSettings();
}
$checkbox_options = (!empty(get_option("mt_captcha_disable_mtcaptcha"))) ? get_option("mt_captcha_disable_mtcaptcha") : [];
$this->privateKey = filter_var(get_option(self::MT_OPTION_PRIVATE_KEY), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$this->siteKey = filter_var(get_option(self::MT_OPTION_SITE_KEY), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$this->enableCaptcha = filter_var(get_option(self::MT_OPTION_ENABLE), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$this->language = filter_var(get_option(self::MT_OPTION_LANGUAGE), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$this->widgetSize = filter_var(get_option(self::MT_OPTION_WIDGET_SIZE), FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$this->theme = get_option(self::MT_OPTION_THEME);
$this->loginFormCheckbox = isset($checkbox_options['login']);
$this->registrationFormCheckbox = isset($checkbox_options['registration']);
$this->lostPasswordFormCheckbox = isset($checkbox_options['lost_password']);
$this->resetPasswordFormCheckbox = isset($checkbox_options['reset_password']);
$this->commentFormCheckbox = isset($checkbox_options['comment']);
$this->woocommerceFormCheckbox = isset($checkbox_options['wc_checkout']);
$this->contactFormCheckbox = isset($checkbox_options['contact_form']);
$this->captchaLabel = get_option(self::MT_OPTION_SHOW_CAPTCHA_LABEL);
$this->jsonValue = get_option(self::MT_OPTION_ENABLE_JSON_VALUE);
$this->jsonElement = get_option(self::MT_OPTION_JSON_VALUE);
$getAction = filter_input(INPUT_GET, self::MT_ACTION, FILTER_SANITIZE_SPECIAL_CHARS);
add_filter(sprintf('plugin_action_links_%s', plugin_basename(__FILE__)), [$this, 'action_links']);
add_action('admin_menu', [$this, 'menu']);
if (!is_admin()) {
$this->frontend();
}
}
}
new mtcaptcha();