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<?php |
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/** |
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* Spam check using WordPress disallowed words |
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* |
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* @since 6.21 |
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* @package Formidable |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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die( 'You are not allowed to call this page directly.' ); |
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} |
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|
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class FrmSpamCheckWPDisallowedWords extends FrmSpamCheck { |
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|
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public function check() { |
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$mod_keys = trim( $this->get_disallowed_words() ); |
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if ( empty( $mod_keys ) ) { |
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return false; |
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} |
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|
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$values = $this->values; |
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$content = FrmEntriesHelper::entry_array_to_string( $values ); |
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|
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FrmEntryValidate::prepare_values_for_spam_check( $values ); |
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$ip = FrmAppHelper::get_ip_address(); |
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$user_agent = FrmAppHelper::get_server_value( 'HTTP_USER_AGENT' ); |
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$user_info = FrmEntryValidate::get_spam_check_user_info( $values ); |
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|
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return $this->do_check_wp_disallowed_words( |
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$user_info['comment_author'], |
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$user_info['comment_author_email'], |
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$user_info['comment_author_url'], |
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$content, |
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$ip, |
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$user_agent |
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); |
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} |
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|
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/** |
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* For WP 5.5 compatibility. |
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* |
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* @return string |
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*/ |
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private function get_disallowed_words() { |
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$keys = get_option( 'disallowed_keys' ); |
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if ( false === $keys ) { |
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// Fallback for WP < 5.5. |
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// phpcs:ignore WordPress.WP.DeprecatedParameterValues.Found |
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$keys = get_option( 'blacklist_keys' ); |
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} |
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return $keys; |
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} |
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|
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/** |
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* For WP 5.5 compatibility. |
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* |
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* @return bool Return `true` if contains disallowed words. |
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*/ |
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private function do_check_wp_disallowed_words( $author, $email, $url, $content, $ip, $user_agent ) { |
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if ( function_exists( 'wp_check_comment_disallowed_list' ) ) { |
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return wp_check_comment_disallowed_list( $author, $email, $url, $content, $ip, $user_agent ); |
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} |
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// phpcs:ignore WordPress.WP.DeprecatedFunctions.wp_blacklist_checkFound |
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return wp_blacklist_check( $author, $email, $url, $content, $ip, $user_agent ); |
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} |
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|
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protected function is_enabled() { |
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return apply_filters( 'frm_check_blacklist', true, $this->values ); |
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} |
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|
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protected function get_spam_message() { |
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return __( 'Your entry appears to be blocked spam!', 'formidable' ); |
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} |
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} |
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|
