405 lines
15 KiB
PHP
405 lines
15 KiB
PHP
<?php
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defined('ABSPATH') || exit;
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trait AKSRT_Moderation_Part_1 {
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public function render_comments_custom_column(string $column, int $comment_id): void {
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if ($column !== 'aksrt_moderation') {
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return;
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}
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$status = '';
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if (function_exists('get_comment')) {
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$comment_obj = get_comment($comment_id);
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if (is_object($comment_obj) && isset($comment_obj->comment_approved)) {
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$status = (string) $comment_obj->comment_approved;
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}
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}
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$status_label = $this->status_label($status);
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$source = (string) get_comment_meta($comment_id, 'aksrt_moderation_source', true);
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$result_value = (string) get_comment_meta($comment_id, 'aksrt_moderation_result', true);
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$reason = (string) get_comment_meta($comment_id, 'aksrt_moderation_reason', true);
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$akismet = (string) get_comment_meta($comment_id, 'aksrt_moderation_akismet', true);
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$ai_score = (string) get_comment_meta($comment_id, 'aksrt_moderation_ai_score', true);
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$ai_flagged = (string) get_comment_meta($comment_id, 'aksrt_moderation_ai_flagged', true);
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$ai_top = (string) get_comment_meta($comment_id, 'aksrt_moderation_ai_top_category', true);
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$keyword = (string) get_comment_meta($comment_id, 'aksrt_moderation_keyword', true);
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$match_type = (string) get_comment_meta($comment_id, 'aksrt_moderation_keyword_match_type', true);
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$moderation_user_id = (string) get_comment_meta($comment_id, 'aksrt_moderation_user_id', true);
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$moderation_user_ip = (string) get_comment_meta($comment_id, 'aksrt_moderation_user_ip', true);
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if ($source === '') {
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$source = 'wp_default';
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}
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if ($result_value === '') {
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$result_value = $this->result_by_approved($status);
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}
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if ($reason === '') {
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$reason = 'wp_default_policy';
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}
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if ($akismet === '') {
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$akismet_meta = get_comment_meta($comment_id, 'akismet_result', true);
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if ((string) $akismet_meta === 'true') {
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$akismet = 'spam';
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} elseif ((string) $akismet_meta === 'false') {
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$akismet = 'ham';
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} else {
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$akismet = 'unknown';
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}
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}
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if ($source === 'wp_default' && $akismet === 'ham') {
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$source = 'akismet';
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if ($result_value === 'wp_default_policy') {
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$result_value = 'approved';
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}
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if ($reason === 'wp_default_policy') {
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$reason = 'ham';
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}
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} elseif ($source === 'wp_default' && $akismet === 'spam') {
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$source = 'akismet';
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$result_value = 'spam';
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if ($reason === 'wp_default_policy') {
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$reason = 'spam';
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}
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}
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echo '<strong>' . esc_html($status_label) . '</strong><br>';
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echo 'Source: ' . esc_html($source) . ' | ';
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echo 'Result: ' . esc_html($result_value) . ' | ';
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echo 'Reason: ' . esc_html($reason) . ' | ';
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echo 'Akismet: ' . esc_html($akismet);
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$extras = [];
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if ($ai_score !== '') {
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$extras[] = 'AI score: ' . $ai_score;
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}
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if ($ai_flagged !== '') {
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$extras[] = 'AI flagged: ' . $ai_flagged;
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}
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if ($ai_top !== '') {
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$extras[] = 'AI top: ' . $ai_top;
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}
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if ($keyword !== '') {
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$extras[] = 'Keyword: ' . $keyword;
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}
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if ($match_type !== '') {
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$extras[] = 'Match: ' . $match_type;
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}
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if ($moderation_user_id !== '') {
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$extras[] = 'UID: ' . $moderation_user_id;
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}
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if ($moderation_user_ip !== '') {
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$extras[] = 'IP: ' . $moderation_user_ip;
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}
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if (!empty($extras)) {
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echo '<br><small>' . esc_html(implode(' | ', $extras)) . '</small>';
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}
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}
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private function new_default_result(): array {
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return [
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'result' => 'approved',
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'source' => 'wp_default',
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'reason' => 'wp_default_policy',
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'akismet' => 'unknown',
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'ai_score' => '',
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'ai_flagged' => '',
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'ai_top_category' => '',
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'keyword' => '',
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'keyword_match_type' => '',
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'ip' => '',
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];
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}
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private function remember_result(array $commentdata, array $decision): void {
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$fp = $this->comment_fingerprint($commentdata);
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if ($fp === '') {
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return;
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}
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$this->moderation_result_map[$fp] = $decision;
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if (array_key_exists('comment_approved', $commentdata)) {
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$this->forced_approved_map[$fp] = $commentdata['comment_approved'];
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}
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}
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private function resolve_result_from_runtime_or_default(array $commentdata, WP_Comment $comment): array {
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$fp_data = $this->comment_fingerprint($commentdata);
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if ($fp_data !== '' && isset($this->moderation_result_map[$fp_data])) {
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return $this->moderation_result_map[$fp_data];
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}
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$fp_comment = $this->comment_fingerprint((array) $comment);
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if ($fp_comment !== '' && isset($this->moderation_result_map[$fp_comment])) {
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return $this->moderation_result_map[$fp_comment];
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}
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$fallback = $this->new_default_result();
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$fallback['result'] = $this->result_by_approved((string) $comment->comment_approved);
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$fallback['reason'] = 'wp_default_policy';
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$akismet_meta = get_comment_meta($comment->comment_ID, 'akismet_result', true);
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if ((string) $akismet_meta === 'true') {
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$fallback['source'] = 'akismet';
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$fallback['reason'] = 'spam';
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$fallback['akismet'] = 'spam';
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$fallback['result'] = 'spam';
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} elseif ((string) $akismet_meta === 'false') {
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$fallback['source'] = 'akismet';
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$fallback['reason'] = 'ham';
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$fallback['akismet'] = 'ham';
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}
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return $fallback;
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}
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private function enrich_moderation_result(array $result, array $commentdata): array {
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if (!isset($result['result']) || $result['result'] === '') {
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$approved = isset($commentdata['comment_approved']) ? (string) $commentdata['comment_approved'] : '1';
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$result['result'] = $this->result_by_approved($approved);
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}
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if (!isset($result['source']) || $result['source'] === '') {
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$result['source'] = 'wp_default';
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}
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if (!isset($result['reason']) || $result['reason'] === '') {
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$result['reason'] = 'wp_default_policy';
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}
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if (!isset($result['akismet']) || $result['akismet'] === '') {
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$result['akismet'] = 'unknown';
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}
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if (!isset($result['ai_score'])) {
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$result['ai_score'] = '';
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}
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if (!isset($result['ai_flagged'])) {
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$result['ai_flagged'] = '';
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}
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if (!isset($result['ai_top_category'])) {
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$result['ai_top_category'] = '';
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}
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if (!isset($result['keyword'])) {
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$result['keyword'] = '';
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}
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if (!isset($result['keyword_match_type'])) {
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$result['keyword_match_type'] = '';
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}
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return $result;
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}
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private function result_by_approved(string $approved): string {
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if ($approved === 'spam') {
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return 'spam';
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}
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if ($approved === '0') {
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return 'pending';
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}
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if ($approved === 'trash') {
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return 'trash';
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}
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return 'approved';
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}
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private function status_label(string $approved): string {
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if ($approved === '1') {
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return 'Approved';
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}
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if ($approved === '0') {
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return 'Pending';
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}
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if ($approved === 'spam') {
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return 'Spam';
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}
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if ($approved === 'trash') {
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return 'Trash';
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}
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return ucfirst($approved);
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}
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private function comment_fingerprint(array $data): string {
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$post_id = (string) ($data['comment_post_ID'] ?? '');
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$author = strtolower(trim((string) ($data['comment_author'] ?? '')));
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$email = strtolower(trim((string) ($data['comment_author_email'] ?? '')));
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$content_md5 = md5(trim((string) ($data['comment_content'] ?? '')));
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$ip = trim((string) ($data['comment_author_IP'] ?? ($data['comment_author_ip'] ?? '')));
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if ($post_id === '' && $author === '' && $email === '' && $content_md5 === md5('')) {
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return '';
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}
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return md5(implode('|', [$post_id, $author, $email, $content_md5, $ip]));
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}
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// ============================================================
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// 1. Akismet
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// ============================================================
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private function check_akismet(array $data, array $config, string $ip) {
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if (empty($config['akismet_enabled'])) {
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return true;
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}
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$api_key = trim((string) ($config['akismet_api_key'] ?? ''));
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if ($api_key === '') {
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return 'error';
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}
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$site_url = !empty($config['akismet_site_url']) ? (string) $config['akismet_site_url'] : home_url('/');
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$payload = [
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'blog' => $site_url,
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'blog_lang' => $config['akismet_blog_lang'] ?? 'zh-CN',
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'blog_charset' => get_bloginfo('charset') ?: 'UTF-8',
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'user_ip' => $ip,
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'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? '',
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'referrer' => $_SERVER['HTTP_REFERER'] ?? '',
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'comment_type' => 'comment',
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'comment_author' => $data['comment_author'] ?? '',
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'comment_author_email' => $data['comment_author_email'] ?? '',
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'comment_author_url' => $data['comment_author_URL'] ?? ($data['comment_author_url'] ?? ''),
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'comment_content' => $data['comment_content'] ?? '',
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'is_test' => defined('WP_DEBUG') && WP_DEBUG ? '1' : '0',
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];
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$endpoint = sprintf('https://%s.rest.akismet.com/1.1/comment-check', $api_key);
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$response = wp_remote_post($endpoint, [
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'body' => http_build_query($payload),
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'timeout' => 10,
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'headers' => ['Content-Type' => 'application/x-www-form-urlencoded'],
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]);
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if (is_wp_error($response)) {
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return 'error';
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}
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$body = trim((string) wp_remote_retrieve_body($response));
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if ($body === 'true') {
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return 'spam';
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}
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if ($body === 'false') {
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return 'ham';
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}
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return 'error';
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}
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// ============================================================
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// 2. AI Moderation
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// ============================================================
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private function check_ai_moderation(array $data, array $config) {
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if (empty($config['ai_enabled']) || empty($config['ai_moderate_comments'])) {
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return true;
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}
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$content = trim((string) ($data['comment_content'] ?? ''));
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if ($content === '') {
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return true;
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}
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// 委托给统一内容审核服务
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if (!class_exists('AKSRT_Content_Audit')) {
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return true;
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}
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$result = AKSRT_Content_Audit::get_instance()->audit_text($content);
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if ($result['passed']) {
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return true;
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}
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// 映射到审核风控的 score 模型
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$score = 70;
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if (in_array('non_compliant', $result['labels'] ?? [], true)) {
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$score = 95;
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}
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return [
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'flagged' => 1,
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'score' => $score,
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'top_category' => $result['reason'] ?? 'content_audit_flagged',
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];
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}
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/**
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* 图片审核 — 委托给统一内容审核服务。
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*
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* @param string $image_path Absolute path to the local image file.
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* @param array $config Optional config override (merged with get_config()).
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* @return array ['passed' => bool, 'reason' => string, ...]
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*/
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public function baidu_moderate_image(string $image_path, array $config = []): array {
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$config = array_merge($this->get_config(), $config);
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if (empty($config['ai_enabled']) || empty($config['ai_moderate_background'])) {
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return ['passed' => true, 'reason' => 'disabled'];
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}
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if (!class_exists('AKSRT_Content_Audit')) {
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return ['passed' => true, 'reason' => 'audit_service_missing'];
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}
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return AKSRT_Content_Audit::get_instance()->audit_image($image_path);
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}
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// ============================================================
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// 3. Blocked keywords
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// ============================================================
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private function check_blocked_keywords(array $data, array $config): array {
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$keywords_raw = (string) ($config['blocked_keywords'] ?? '');
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if (trim($keywords_raw) === '') {
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return ['hit' => false, 'keyword' => '', 'match_type' => ''];
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}
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$parts = preg_split('/[\r\n,;、\x{FF0C}\x{FF1B}]+/u', $keywords_raw);
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$keywords = array_values(array_filter(array_map('trim', (array) $parts), static function ($v) {
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return $v !== '';
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}));
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if (empty($keywords)) {
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return ['hit' => false, 'keyword' => '', 'match_type' => ''];
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}
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$text = implode(' ', [
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(string) ($data['comment_content'] ?? ''),
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(string) ($data['comment_author'] ?? ''),
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(string) ($data['comment_author_email'] ?? ''),
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(string) ($data['comment_author_URL'] ?? ($data['comment_author_url'] ?? '')),
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]);
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$text_norm = $this->normalize_text($text);
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foreach ($keywords as $keyword) {
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if ($keyword === '') {
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continue;
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}
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// User-defined regex keyword like /pattern/flags.
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if (preg_match('#^/.+/[imsxuADSUXJ]*$#', $keyword)) {
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$matched = @preg_match($keyword, $text);
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if ($matched === 1) {
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return ['hit' => true, 'keyword' => $keyword, 'match_type' => 'regex'];
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}
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continue;
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}
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if ($this->contains_text($text, $keyword)) {
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return ['hit' => true, 'keyword' => $keyword, 'match_type' => 'plain'];
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}
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$keyword_norm = $this->normalize_text($keyword);
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if ($keyword_norm !== '' && $this->contains_text($text_norm, $keyword_norm)) {
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return ['hit' => true, 'keyword' => $keyword, 'match_type' => 'normalized'];
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}
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}
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return ['hit' => false, 'keyword' => '', 'match_type' => ''];
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}
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private function contains_text(string $haystack, string $needle): bool {
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if ($needle === '') {
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return false;
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}
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if (function_exists('mb_stripos')) {
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return mb_stripos($haystack, $needle, 0, 'UTF-8') !== false;
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}
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return stripos($haystack, $needle) !== false;
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}
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}
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