<?php
if ( ! class_exists( 'anr_captcha_class' ) ) {
class anr_captcha_class {
private static $instance;
private static $captcha_count = 0;
public static function init() {
if ( ! self::$instance instanceof self ) {
self::$instance = new self();
}
return self::$instance;
}
function actions_filters() {
if ( anr_is_form_enabled( 'fep_contact_form' ) ) {
add_action( 'fepcf_message_form_after_content', array( $this, 'form_field' ), 99 );
add_action( 'fepcf_action_message_before_send', array( $this, 'fepcf_verify' ) );
}
if ( anr_is_form_enabled( 'login' ) && ! defined( 'XMLRPC_REQUEST' ) ) {
add_action( 'login_form', array( $this, 'login_form_field' ), 99 );
add_filter( 'login_form_middle', array( $this, 'login_form_return' ), 99 );
add_action( 'um_after_login_fields', array( $this, 'login_form_field' ), 99 );
add_action( 'woocommerce_login_form', array( $this, 'login_form_field' ), 99 );
add_filter( 'authenticate', array( $this, 'login_verify' ), 999, 3 );
add_action( 'wp_login', array( $this, 'clear_data' ), 10, 2 );
}
if ( anr_is_form_enabled( 'wc_checkout' ) ) {
add_action( 'woocommerce_after_checkout_validation', array( $this, 'wc_checkout_verify' ), 10, 2 );
add_action( 'woocommerce_checkout_after_order_review', array( $this, 'wc_form_field' ) );
}
if ( anr_is_form_enabled( 'registration' ) ) {
add_action( 'register_form', array( $this, 'form_field' ), 99 );
add_action( 'woocommerce_register_form', array( $this, 'form_field' ), 99 );
add_filter( 'registration_errors', array( $this, 'registration_verify' ), 10, 3 );
add_filter( 'woocommerce_registration_errors', array( $this, 'wc_registration_verify' ), 10, 3 );
// add_action ('woocommerce_checkout_after_order_review', array($this, 'wc_form_field') );
}
if ( anr_is_form_enabled( 'bp_register' ) ) {
add_action( 'bp_before_registration_submit_buttons', array( $this, 'bp_form_field' ), 99 );
add_action( 'bp_signup_validate', array( $this, 'bp_registration_verify' ) );
}
if ( anr_is_form_enabled( 'ms_user_signup' ) && is_multisite() ) {
add_action( 'signup_extra_fields', array( $this, 'ms_form_field' ), 99 );
add_filter( 'wpmu_validate_user_signup', array( $this, 'ms_form_field_verify' ) );
add_action( 'signup_blogform', array( $this, 'ms_form_field' ), 99 );
add_filter( 'wpmu_validate_blog_signup', array( $this, 'ms_blog_verify' ) );
}
if ( anr_is_form_enabled( 'lost_password' ) ) {
add_action( 'lostpassword_form', array( $this, 'form_field' ), 99 );
add_action( 'woocommerce_lostpassword_form', array( $this, 'form_field' ), 99 );
// add_action ('allow_password_reset', array($this, 'lostpassword_verify'), 10, 2); //lostpassword_post does not return wp_error( prior WP 4.4 )
add_action( 'lostpassword_post', array( $this, 'lostpassword_verify_44' ) );
}
if ( anr_is_form_enabled( 'reset_password' ) ) {
add_action( 'resetpass_form', array( $this, 'form_field' ), 99 );
add_action( 'woocommerce_resetpassword_form', array( $this, 'form_field' ), 99 );
add_filter( 'validate_password_reset', array( $this, 'reset_password_verify' ), 10, 2 );
}
if ( anr_is_form_enabled( 'comment' ) && ( ! is_admin() || ! current_user_can( 'moderate_comments' ) ) ) {
if ( ! is_user_logged_in() ) {
add_action( 'comment_form_after_fields', array( $this, 'form_field' ), 99 );
} else {
add_filter( 'comment_form_field_comment', array( $this, 'form_field_return' ), 99 );
}
if ( version_compare( get_bloginfo( 'version' ), '4.9.0', '>=' ) ) {
add_filter( 'pre_comment_approved', array( $this, 'comment_verify_490' ), 99 );
} else {
add_filter( 'preprocess_comment', array( $this, 'comment_verify' ) );
}
}
if ( function_exists( 'wpcf7_add_form_tag' ) ) {
if( class_exists( 'WPCF7' ) && WPCF7::get_option( 'recaptcha' ) && apply_filters( 'anr_remove_cf7_recaptcha', false ) ) {
//remove recaptcha keys from CF7 which will disable CF7 recaptcha
WPCF7::update_option( 'recaptcha', null );
}
if( is_user_logged_in() && anr_get_option( 'loggedin_hide' ) ) {
//enable verify nonce otherwie is_user_logged_in() return false when validate recaptcha
add_filter( 'wpcf7_verify_nonce', '__return_true' );
}
wpcf7_add_form_tag( 'anr_nocaptcha', array( $this, 'wpcf7_form_field' ), array( 'name-attr' => true ) );
add_filter( 'wpcf7_validate_anr_nocaptcha', array( $this, 'wpcf7_verify' ), 10, 2 );
} elseif ( function_exists( 'wpcf7_add_shortcode' ) ) {
wpcf7_add_shortcode( 'anr_nocaptcha', array( $this, 'wpcf7_form_field' ), true );
add_filter( 'wpcf7_validate_anr_nocaptcha', array( $this, 'wpcf7_verify' ), 10, 2 );
}
if ( anr_is_form_enabled( 'bbp_new' ) ) {
add_action( 'bbp_theme_before_topic_form_submit_wrapper', array( $this, 'form_field' ), 99 );
add_action( 'bbp_new_topic_pre_extras', array( $this, 'bbp_new_verify' ) );
}
if ( anr_is_form_enabled( 'bbp_reply' ) ) {
add_action( 'bbp_theme_before_reply_form_submit_wrapper', array( $this, 'form_field' ), 99 );
add_action( 'bbp_new_reply_pre_extras', array( $this, 'bbp_reply_verify' ), 10, 2 );
}
}
function add_error_to_mgs( $mgs = false ) {
if ( false === $mgs ) {
$mgs = anr_get_option( 'error_message', '' );
}
if ( ! $mgs ) {
$mgs = __( 'Please solve Captcha correctly', 'advanced-nocaptcha-recaptcha' );
}
$message = '<strong>' . __( 'ERROR', 'advanced-nocaptcha-recaptcha' ) . '</strong>: ' . $mgs;
return apply_filters( 'anr_error_message', $message, $mgs );
}
function total_captcha() {
return self::$captcha_count;
}
function captcha_form_field() {
self::$captcha_count++;
$no_js = anr_get_option( 'no_js' );
$site_key = trim( anr_get_option( 'site_key' ) );
$number = $this->total_captcha();
$version = anr_get_option( 'captcha_version', 'v2_checkbox' );
$field = '<div class="anr_captcha_field"><div id="anr_captcha_field_' . $number . '" class="anr_captcha_field_div">';
if ( 'v3' === $version ) {
$field .= '<input type="hidden" name="g-recaptcha-response" value="" />';
}
$field .= '</div></div>';
if ( 1 == $no_js && 'v2_checkbox' === $version ) {
$field .= sprintf( '<noscript>
<div>
<div style="width: 302px; height: 422px; position: relative;">
<div style="width: 302px; height: 422px; position: absolute;">
<iframe src="https://www.%s/recaptcha/api/fallback?k=' . $site_key . '"
frameborder="0" scrolling="no"
style="width: 302px; height:422px; border-style: none;">
</iframe>
</div>
</div>
<div style="width: 300px; height: 60px; border-style: none;
bottom: 12px; left: 25px; margin: 0px; padding: 0px; right: 25px;
background: #f9f9f9; border: 1px solid #c1c1c1; border-radius: 3px;">
<textarea id="g-recaptcha-response-' . $number . '" name="g-recaptcha-response"
class="g-recaptcha-response"
style="width: 250px; height: 40px; border: 1px solid #c1c1c1;
margin: 10px 25px; padding: 0px; resize: none;" ></textarea>
</div>
</div>
</noscript>', anr_recaptcha_domain() );
}
return $field;
}
function footer_script() {
static $included = false;
$number = $this->total_captcha();
$version = anr_get_option( 'captcha_version', 'v2_checkbox' );
if ( ! $number && ( 'v3' !== $version || 'all_pages' !== anr_get_option( 'v3_script_load', 'all_pages' ) ) ) {
return;
}
if ( $included ) {
return;
}
$included = true;
if ( 'v2_checkbox' === $version ) {
$this->v2_checkbox_script();
} elseif ( 'v2_invisible' === $version ) {
$this->v2_invisible_script();
} elseif ( 'v3' === $version ) {
$this->v3_script();
}
}
function v2_checkbox_script() {
?>
<script type="text/javascript">
var anr_onloadCallback = function() {
for ( var i = 0; i < document.forms.length; i++ ) {
var form = document.forms[i];
var captcha_div = form.querySelector( '.anr_captcha_field_div' );
if ( null === captcha_div )
continue;
captcha_div.innerHTML = '';
( function( form ) {
var anr_captcha = grecaptcha.render( captcha_div,{
'sitekey' : '<?php echo esc_js( trim( anr_get_option( 'site_key' ) ) ); ?>',
'size' : '<?php echo esc_js( anr_get_option( 'size', 'normal' ) ); ?>',
'theme' : '<?php echo esc_js( anr_get_option( 'theme', 'light' ) ); ?>'
});
if ( typeof jQuery !== 'undefined' ) {
jQuery( document.body ).on( 'checkout_error', function(){
grecaptcha.reset(anr_captcha);
});
}
if ( typeof wpcf7 !== 'undefined' ) {
document.addEventListener( 'wpcf7submit', function() {
grecaptcha.reset(anr_captcha);
}, false );
}
})(form);
}
};
</script>
<?php
$language = trim( anr_get_option( 'language' ) );
$lang = '';
if ( $language ) {
$lang = '&hl=' . $language;
}
$google_url = apply_filters( 'anr_v2_checkbox_script_api_src', sprintf( 'https://www.%s/recaptcha/api.js?onload=anr_onloadCallback&render=explicit' . $lang, anr_recaptcha_domain() ), $lang );
?>
<script src="<?php echo esc_url( $google_url ); ?>"
async defer>
</script>
<?php
}
function v2_invisible_script() {
?>
<script type="text/javascript">
var anr_onloadCallback = function() {
for ( var i = 0; i < document.forms.length; i++ ) {
var form = document.forms[i];
var captcha_div = form.querySelector( '.anr_captcha_field_div' );
if ( null === captcha_div )
continue;
captcha_div.innerHTML = '';
( function( form ) {
var anr_captcha = grecaptcha.render( captcha_div,{
'sitekey' : '<?php echo esc_js( trim( anr_get_option( 'site_key' ) ) ); ?>',
'size' : 'invisible',
'theme' : '<?php echo esc_js( anr_get_option( 'theme', 'light' ) ); ?>',
'badge' : '<?php echo esc_js( anr_get_option( 'badge', 'bottomright' ) ); ?>',
'callback' : function ( token ) {
if( typeof jQuery !== 'undefined' ){
jQuery(form).submit();
grecaptcha.reset( anr_captcha );
} else {
HTMLFormElement.prototype.submit.call( form );
}
},
'expired-callback' : function(){
grecaptcha.reset( anr_captcha );
}
});
var cf7_submit = form.querySelector( '.wpcf7-submit' );
if( null !== cf7_submit && ( typeof jQuery !== 'undefined' ) ){
jQuery( cf7_submit ).off('click').on('click', function( e ){
e.preventDefault();
jQuery( '.ajax-loader', form ).addClass( 'is-active' );
grecaptcha.execute( anr_captcha );
});
} else {
form.onsubmit = function( e ){
e.preventDefault();
grecaptcha.execute( anr_captcha );
};
}
})(form);
}
};
</script>
<?php
$language = trim( anr_get_option( 'language' ) );
$lang = '';
if ( $language ) {
$lang = '&hl=' . $language;
}
$google_url = apply_filters( 'anr_v2_invisible_script_api_src', sprintf( 'https://www.%s/recaptcha/api.js?onload=anr_onloadCallback&render=explicit' . $lang, anr_recaptcha_domain() ), $lang );
?>
<script src="<?php echo esc_url( $google_url ); ?>"
async defer>
</script>
<?php
}
function v3_script() {
// v3 support v2 script. So use it
// $this->v2_invisible_script();
$language = trim( anr_get_option( 'language' ) );
$site_key = trim( anr_get_option( 'site_key' ) );
$lang = '';
if ( $language ) {
$lang = '&hl=' . $language;
}
$google_url = apply_filters( 'anr_v3_script_api_src', sprintf( 'https://www.%s/recaptcha/api.js?render=' . $site_key . $lang, anr_recaptcha_domain() ), $site_key, $lang );
?>
<script src="<?php echo esc_url( $google_url ); ?>"></script>
<script type="text/javascript">
( function( grecaptcha ) {
var anr_onloadCallback = function() {
grecaptcha.execute(
'<?php echo esc_js( $site_key ); ?>',
{ action: 'advanced_nocaptcha_recaptcha' }
).then( function( token ) {
for ( var i = 0; i < document.forms.length; i++ ) {
var form = document.forms[i];
var captcha = form.querySelector( 'input[name="g-recaptcha-response"]' );
if ( null === captcha )
continue;
captcha.value = token;
}
});
};
grecaptcha.ready( anr_onloadCallback );
document.addEventListener( 'wpcf7submit', anr_onloadCallback, false );
if ( typeof jQuery !== 'undefined' ) {
//Woocommerce
jQuery( document.body ).on( 'checkout_error', anr_onloadCallback );
}
//token is valid for 2 minutes, So get new token every after 1 minutes 50 seconds
setInterval(anr_onloadCallback, 110000);
} )( grecaptcha );
</script>
<?php
}
function form_field() {
echo $this->form_field_return();
}
function form_field_return( $return = '' ) {
if ( is_user_logged_in() && anr_get_option( 'loggedin_hide' ) ) {
return $return;
}
$ip = $_SERVER['REMOTE_ADDR'];
if ( in_array( $ip, array_filter( explode( '\n', anr_get_option( 'whitelisted_ips' ) ) ) ) ) {
return $return;
}
return $return . $this->captcha_form_field();
}
function post_id() {
global $wpdb;
static $post_id;
if ( ! absint( anr_get_option( 'failed_login_allow' ) ) ) {
return 0;
}
if ( is_numeric( $post_id ) ) {
return $post_id;
}
$post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE post_type = 'anr-post' LIMIT 1" );
if ( ! $post_id ) {
$wpdb->insert( $wpdb->posts, array( 'post_type' => 'anr-post' ) );
$post_id = $wpdb->insert_id;
}
$post_id = absint( $post_id );
return $post_id;
}
function show_login_captcha() {
global $wpdb;
$show_captcha = true;
$ip = $_SERVER['REMOTE_ADDR'];
if ( in_array( $ip, array_filter( explode( '\n', anr_get_option( 'whitelisted_ips' ) ) ) ) ) {
return false;
}
// filter_var( $ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE );
$count = absint( anr_get_option( 'failed_login_allow' ) );
$post_id = $this->post_id();
if ( $count && $post_id && filter_var( $ip, FILTER_VALIDATE_IP ) ) {
$user_logins = $wpdb->get_col( $wpdb->prepare( "SELECT meta_value FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = %s", $post_id, md5( $ip ) ) );
if ( count( $user_logins ) < $count && count( array_unique( $user_logins ) ) <= 1 ) {
$show_captcha = false;
}
}
return $show_captcha;
}
function login_form_field() {
if ( $this->show_login_captcha() ) {
$this->form_field();
}
}
function login_form_return( $field = '' ) {
if ( $this->show_login_captcha() ) {
$field = $this->form_field_return( $field );
}
return $field;
}
function wc_form_field() {
if ( ! is_user_logged_in() && 'yes' == get_option( 'woocommerce_enable_signup_and_login_from_checkout', 'yes' ) && anr_is_form_enabled( 'registration' ) ) {
$this->form_field();
} elseif ( anr_is_form_enabled( 'wc_checkout' ) ) {
$this->form_field();
}
}
function ms_form_field( $errors ) {
if ( $errmsg = $errors->get_error_message( 'anr_error' ) ) {
echo '<p class="error">' . $errmsg . '</p>';
}
$this->form_field();
}
function verify( $response = false ) {
static $last_verify = null;
if ( is_user_logged_in() && anr_get_option( 'loggedin_hide' ) ) {
return true;
}
$secre_key = trim( anr_get_option( 'secret_key' ) );
$remoteip = $_SERVER['REMOTE_ADDR'];
$verify = false;
if ( in_array( $remoteip, array_filter( explode( '\n', anr_get_option( 'whitelisted_ips' ) ) ) ) ) {
return true;
}
if ( false === $response ) {
$response = isset( $_POST['g-recaptcha-response'] ) ? $_POST['g-recaptcha-response'] : '';
}
$pre_check = apply_filters( 'anr_verify_captcha_pre', null, $response );
if ( null !== $pre_check ) {
return $pre_check;
}
if ( ! $secre_key ) { // if $secre_key is not set
return true;
}
if ( ! $response || ! $remoteip ) {
return $verify;
}
if ( null !== $last_verify ) {
return $last_verify;
}
$url = apply_filters( 'anr_google_verify_url', sprintf( 'https://www.%s/recaptcha/api/siteverify', anr_recaptcha_domain() ) );
// make a POST request to the Google reCAPTCHA Server
$request = wp_remote_post(
$url, array(
'timeout' => 10,
'body' => array(
'secret' => $secre_key,
'response' => $response,
'remoteip' => $remoteip,
),
)
);
// get the request response body
$request_body = wp_remote_retrieve_body( $request );
if ( ! $request_body ) {
return $verify;
}
$result = json_decode( $request_body, true );
if ( isset( $result['success'] ) && true == $result['success'] ) {
if ( 'v3' === anr_get_option( 'captcha_version' ) ) {
$score = isset( $result['score'] ) ? $result['score'] : 0;
$action = isset( $result['action'] ) ? $result['action'] : '';
$verify = anr_get_option( 'score', '0.5' ) <= $score && 'advanced_nocaptcha_recaptcha' == $action;
} else {
$verify = true;
}
}
$verify = apply_filters( 'anr_verify_captcha', $verify, $result, $response );
$last_verify = $verify;
return $verify;
}
function fepcf_verify( $errors ) {
if ( ! $this->verify() ) {
$errors->add( 'anr_error', anr_get_option( 'error_message' ) );
}
}
function login_verify( $user, $username = '', $password = '' ) {
global $wpdb;
if ( ! $username ) {
return $user;
}
$show_captcha = $this->show_login_captcha();
if ( ! ( $user instanceof WP_User ) ) {
if ( ! $show_captcha && ( $post_id = $this->post_id() ) ) {
if ( is_email( $username ) ) {
$user_data = get_user_by( 'email', $username );
if ( $user_data ) {
$username = $user_data->user_login;
}
}
$wpdb->insert(
$wpdb->postmeta, array(
'post_id' => $post_id,
'meta_key' => md5( $_SERVER['REMOTE_ADDR'] ),
'meta_value' => $username,
), array( '%d', '%s', '%s' )
);
}
// return $user;
}
if ( $show_captcha && ! $this->verify() ) {
return new WP_Error( 'anr_error', $this->add_error_to_mgs() );
}
return $user;
}
function clear_data( $user_login, $user ) {
global $wpdb;
if ( $post_id = $this->post_id() ) {
$wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE post_id = %d AND ( meta_key = %s OR meta_value = %s )", $post_id, md5( $_SERVER['REMOTE_ADDR'] ), $user_login ) );
}
}
function registration_verify( $errors, $sanitized_user_login, $user_email ) {
if ( ! $this->verify() ) {
$errors->add( 'anr_error', $this->add_error_to_mgs() );
}
return $errors;
}
function wc_registration_verify( $errors, $sanitized_user_login, $user_email ) {
if ( defined( 'WOOCOMMERCE_CHECKOUT' ) && ! anr_is_form_enabled( 'wc_checkout' ) ) {
return $errors;
}
if ( ! $this->verify() ) {
$errors->add( 'anr_error', anr_get_option( 'error_message' ) );
}
return $errors;
}
function bp_form_field() {
do_action( 'bp_anr_error_errors' );
$this->form_field();
}
function bp_registration_verify() {
if ( ! $this->verify() ) {
buddypress()->signup->errors['anr_error'] = anr_get_option( 'error_message' );
}
}
function ms_form_field_verify( $result ) {
if ( isset( $_POST['stage'] ) && 'validate-user-signup' === $_POST['stage'] && ! $this->verify() ) {
$result['errors']->add( 'anr_error', anr_get_option( 'error_message' ) );
}
return $result;
}
function ms_blog_verify( $result ) {
if ( ! $this->verify() ) {
$result['errors']->add( 'anr_error', anr_get_option( 'error_message' ) );
}
return $result;
}
function lostpassword_verify( $result, $user_id ) {
if ( ! $this->verify() ) {
return new WP_Error( 'anr_error', $this->add_error_to_mgs() );
}
return $result;
}
function lostpassword_verify_44( $errors ) {
if ( ! $this->verify() ) {
$errors->add( 'anr_error', $this->add_error_to_mgs() );
}
}
function reset_password_verify( $errors, $user ) {
if ( ! $this->verify() ) {
$errors->add( 'anr_error', $this->add_error_to_mgs() );
}
}
function comment_verify( $commentdata ) {
if ( ! $this->verify() ) {
wp_die(
'<p>' . $this->add_error_to_mgs() . '</p>', __( 'Comment Submission Failure' ), array(
'response' => 403,
'back_link' => true,
)
);
}
return $commentdata;
}
function comment_verify_490( $approved ) {
if ( ! $this->verify() ) {
return new WP_Error( 'anr_error', $this->add_error_to_mgs(), 403 );
}
return $approved;
}
function wpcf7_form_field( $tag ) {
return $this->form_field_return() . sprintf( '<span class="wpcf7-form-control-wrap %s"></span>', $tag->name );
}
function wpcf7_verify( $result, $tag ) {
if ( ! $this->verify() ) {
$result->invalidate( $tag, anr_get_option( 'error_message' ) );
}
return $result;
}
function bbp_new_verify( $forum_id ) {
if ( ! $this->verify() ) {
bbp_add_error( 'anr_error', $this->add_error_to_mgs() );
}
}
function bbp_reply_verify( $topic_id, $forum_id ) {
if ( ! $this->verify() ) {
bbp_add_error( 'anr_error', $this->add_error_to_mgs() );
}
}
function wc_checkout_verify( $data, $errors ) {
$is_reg_enable = apply_filters( 'woocommerce_checkout_registration_enabled', 'yes' === get_option( 'woocommerce_enable_signup_and_login_from_checkout' ) );
$is_reg_required = apply_filters( 'woocommerce_checkout_registration_required', 'yes' !== get_option( 'woocommerce_enable_guest_checkout' ) );
if ( ! is_user_logged_in() && $is_reg_enable && anr_is_form_enabled( 'registration' ) && ( $is_reg_required || ! empty( $data['createaccount'] ) ) ) {
// verification done during ragistration, So no need any more verification
} elseif ( ! $this->verify() ) {
$errors->add( 'anr_error', anr_get_option( 'error_message' ) );
}
}
} //END CLASS
} //ENDIF
add_action( 'init', array( anr_captcha_class::init(), 'actions_filters' ), -9 );