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<?php |
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/** |
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* The spam comment model class. |
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* |
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* @package WP_Defender\Model |
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*/ |
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|
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namespace WP_Defender\Model; |
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|
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/** |
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* Class Spam_Comment |
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* |
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* Provides methods to retrieve spam comment IPs from WordPress database. |
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*/ |
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class Spam_Comment { |
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/** |
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* Retrieve aggregated spam comment IPs across all sites in a multisite setup or from a single site. |
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* |
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* @return array Associative array of IP addresses as keys and their spam comment count as values. |
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*/ |
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public static function get_spam_comments_ip(): array { |
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global $wpdb; |
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|
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$spam_ips = array(); |
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|
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if ( is_multisite() ) { |
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$offset = 0; |
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$limit = 100; |
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$mu_spam_ips = array(); |
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while ( $blogs = $wpdb->get_results( "SELECT blog_id FROM {$wpdb->blogs} LIMIT {$offset}, {$limit}", ARRAY_A ) ) { // phpcs:ignore |
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if ( ! empty( $blogs ) && is_array( $blogs ) ) { |
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foreach ( $blogs as $blog ) { |
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switch_to_blog( $blog['blog_id'] ); |
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|
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$mu_spam_ips = self::fetch_manual_spam_comments_ip(); |
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|
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if ( ! empty( $mu_spam_ips ) && is_array( $mu_spam_ips ) ) { |
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foreach ( $mu_spam_ips as $ip => $count ) { |
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$spam_ips[ $ip ] = isset( $spam_ips[ $ip ] ) |
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? $spam_ips[ $ip ] + $count |
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: $count; |
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} |
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} |
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|
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restore_current_blog(); |
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} |
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} |
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$offset += $limit; |
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} |
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} else { |
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$spam_ips = self::fetch_manual_spam_comments_ip(); |
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} |
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|
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return is_array( $spam_ips ) ? $spam_ips : array(); |
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} |
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|
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/** |
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* Fetches spam comment IPs and their counts from the current WordPress site which are flagged by moderator. |
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* |
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* @return array Associative array of IP addresses as keys and their spam comment count as values. |
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*/ |
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private static function fetch_manual_spam_comments_ip(): array { |
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global $wpdb; |
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|
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$sql = "SELECT c.comment_author_IP as ip, COUNT(*) as count |
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FROM {$wpdb->comments} c |
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JOIN {$wpdb->commentmeta} cm ON c.comment_ID = cm.comment_id |
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WHERE c.comment_approved = 'spam' |
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AND c.comment_author_IP IS NOT NULL AND c.comment_author_IP != '' |
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AND cm.meta_key = '_wp_trash_meta_time' |
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AND cm.meta_value >= UNIX_TIMESTAMP(NOW() - INTERVAL 12 HOUR) |
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GROUP BY c.comment_author_IP |
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ORDER BY count DESC"; |
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|
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$results = $wpdb->get_results( $sql, ARRAY_A ); // phpcs:ignore |
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|
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$spam_ips = array(); |
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if ( is_array( $results ) && ! empty( $results ) ) { |
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foreach ( $results as $row ) { |
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$spam_ips[ $row['ip'] ] = (int) $row['count']; |
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} |
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} |
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|
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return $spam_ips; |
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} |
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} |
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|
