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<?php |
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/** |
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* Responsible for handling legacy data migration and management related to scan issues and ignored items. |
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* |
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* @package WP_Defender\Component |
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*/ |
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|
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namespace WP_Defender\Component; |
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|
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use WP_Defender\Component; |
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use WP_Defender\Model\Scan; |
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use WP_Defender\Model\Scan_Item; |
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use WP_Defender\Controller\Scan as Scan_Controller; |
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use WP_Filesystem_Base; |
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|
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/** |
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* Responsible for handling legacy data migration and management related to scan issues and ignored items. |
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* |
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* @since 2.5.6 |
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*/ |
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class Legacy_Versions extends Component { |
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|
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public const IGNORE_LIST = 'wdfscanignore'; |
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|
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/** |
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* Retrieves all scan issue items from the database. |
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* |
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* @return array Array of scan issue items. |
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*/ |
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private function find_all_scan_issue_items() { |
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global $wpdb; |
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|
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$sql = 'SELECT t0.ID AS id,t0.post_parent AS parentId,t1.meta_value AS type,t2.meta_value AS raw'; |
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$sql .= ' FROM ' . $wpdb->posts . ' AS t0'; |
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$sql .= ' LEFT JOIN ' . $wpdb->postmeta . " as t1 ON t1.post_id=ID AND t1.meta_key='type'"; |
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$sql .= ' LEFT JOIN ' . $wpdb->postmeta . " as t2 ON t2.post_id=ID AND t2.meta_key='raw'"; |
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$sql .= " WHERE t0.post_type='wdf_scan_item' AND t0.post_status = 'issue'"; |
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$sql .= ' GROUP BY ID'; |
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|
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return $wpdb->get_results( $sql, ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.DirectDatabaseQuery |
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} |
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|
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/** |
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* Retrieves all ignored scan items based on provided IDs. |
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* |
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* @param array $ids Array of IDs to retrieve. |
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* |
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* @return array Array of ignored scan items. |
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*/ |
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private function find_all_scan_ignored_items( $ids ) { |
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global $wpdb; |
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|
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if ( ! is_array( $ids ) ) { |
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return array(); |
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} |
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|
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$valid_ids = array(); |
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foreach ( $ids as $id ) { |
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if ( ! is_int( $id ) && ! ( is_string( $id ) && ctype_digit( $id ) ) ) { |
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continue; |
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} |
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|
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$id = filter_var( $id, FILTER_VALIDATE_INT ); |
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if ( false !== $id && 0 < $id ) { |
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$valid_ids[ $id ] = $id; |
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} |
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} |
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$ids = array_values( $valid_ids ); |
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if ( array() === $ids ) { |
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return array(); |
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} |
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|
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$placeholders = implode( ', ', array_fill( 0, count( $ids ), '%d' ) ); |
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$sql = 'SELECT t0.ID AS id,t0.post_parent AS parentId,t1.meta_value AS type,t2.meta_value AS raw'; |
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$sql .= ' FROM ' . $wpdb->posts . ' AS t0'; |
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$sql .= ' LEFT JOIN ' . $wpdb->postmeta . " as t1 ON t1.post_id=ID AND t1.meta_key='type'"; |
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$sql .= ' LEFT JOIN ' . $wpdb->postmeta . " as t2 ON t2.post_id=ID AND t2.meta_key='raw'"; |
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$sql .= " WHERE t0.post_type='wdf_scan_item' AND t0.post_status = 'ignored'"; |
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$sql .= " AND t0.ID IN ({$placeholders})"; |
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|
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// SQL is prepared above. so we will ignore prepare warning. |
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return $wpdb->get_results( $wpdb->prepare( $sql, $ids ), ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.DirectDatabaseQuery |
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} |
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|
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/** |
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* Adapts old scan data format to the new format. |
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* |
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* @param array $old_data Old scan data to adapt. |
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* |
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* @return array Adapted scan data. |
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*/ |
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private function adapt_scan_data( $old_data ) { |
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$raw = ''; |
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switch ( $old_data['type'] ) { |
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case 'vuln': |
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$new_type = Scan_Item::TYPE_VULNERABILITY; |
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if ( isset( $old_data['raw'] ) && '' !== $old_data['raw'] ) { |
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$raw = maybe_unserialize( $old_data['raw'] ); |
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/** |
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* Different $raw['slug'] values depending on the type: |
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* 'type' => 'theme', 'slug' => {THEME_SLUG}, ... |
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* 'type' => 'plugin', 'slug' => {PLUGIN_SLUG}, ... |
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* 'type' => 'WordPress', 'slug' => 'WordPress', ... |
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*/ |
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$file = is_array( $raw ) && isset( $raw['slug'] ) ? $raw['slug'] : ''; |
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} else { |
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$file = ''; |
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} |
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|
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if ( is_array( $raw ) && 'WordPress' !== $raw['type'] ) { |
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$raw_data = array( |
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'type' => $raw['type'], |
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'slug' => $raw['slug'], |
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'base_slug' => $raw['slug'], |
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'version' => '', |
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'name' => $raw['slug'], |
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'bugs' => $raw['bugs'], |
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); |
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} else { |
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$raw_data = $old_data['raw']; |
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} |
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break; |
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case 'content': |
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$new_type = Scan_Item::TYPE_SUSPICIOUS; |
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if ( isset( $old_data['raw'] ) && '' !== $old_data['raw'] ) { |
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$raw = maybe_unserialize( $old_data['raw'] ); |
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$file = is_array( $raw ) && isset( $raw['file'] ) ? $raw['file'] : ''; |
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} else { |
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$file = ''; |
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} |
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|
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$raw_data = is_array( $raw ) && isset( $raw['meta'] ) ? $raw['meta'] : array(); |
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$raw_data['file'] = $file; |
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break; |
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case 'core': |
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default: |
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$new_type = Scan_Item::TYPE_INTEGRITY; |
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if ( isset( $old_data['raw'] ) && '' !== $old_data['raw'] ) { |
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$raw = maybe_unserialize( $old_data['raw'] ); |
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$file = is_array( $raw ) && isset( $raw['file'] ) ? $raw['file'] : ''; |
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} else { |
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$file = ''; |
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} |
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|
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if ( is_array( $raw ) && isset( $raw['type'] ) ) { |
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$short_desc = 'unknown' === $raw['type'] ? 'unversion' : $raw['type']; |
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} else { |
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$short_desc = ''; |
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} |
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$raw_data = array( |
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'file' => $file, |
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'type' => $short_desc, |
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); |
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break; |
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} |
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|
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return array( |
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'type' => $new_type, |
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'file' => $file, |
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'raw' => $raw_data, |
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); |
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} |
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|
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/** |
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* Saves scan issue data to the database. |
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* |
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* @param array $issue_items Array of issue items to save. |
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* @param Scan $model Scan model instance to use for saving. |
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*/ |
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private function save_scan_issue_data( $issue_items, $model ) { |
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if ( ! is_array( $issue_items ) || array() === $issue_items ) { |
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return; |
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} |
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// Get existed issues. |
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$existed_issues = $model->get_issues( null, Scan_Item::STATUS_ACTIVE ); |
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$unique_arr = array(); |
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foreach ( $issue_items as $item ) { |
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$data = $this->adapt_scan_data( $item ); |
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if ( '' === $data['file'] ) { |
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continue; |
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} |
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if ( is_array( $existed_issues ) && array() !== $existed_issues ) { |
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// Scan was started in version > 2.3.2. |
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foreach ( $existed_issues as $issue ) { |
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if ( Scan_Item::TYPE_VULNERABILITY === $data['type'] ) { |
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$file_name = $issue->raw_data['base_slug'] ?? ''; |
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} else { |
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$file_name = $issue->raw_data['file'] ?? ''; |
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} |
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// Check for uniqueness of elements. |
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if ( $data['file'] !== $file_name && ! in_array( $file_name, $unique_arr, true ) ) { |
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$unique_arr[] = $file_name; |
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$model->add_item( $data['type'], $data['raw'], Scan_Item::STATUS_ACTIVE ); |
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} |
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} |
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} else { |
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$file_name = $data['file'] ?? $data['raw']['file'] ?? false; |
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// Scan wasn't start. |
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if ( $file_name && ! in_array( $file_name, $unique_arr, true ) ) { |
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$unique_arr[] = $file_name; |
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$model->add_item( $data['type'], $data['raw'], Scan_Item::STATUS_ACTIVE ); |
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} |
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} |
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} |
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} |
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|
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/** |
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* Saves ignored scan data to the database. |
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* |
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* @param array $ignored_items Array of ignored items to save. |
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* @param Scan $model Scan model instance to use for saving. |
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*/ |
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private function save_scan_ignored_data( $ignored_items, $model ) { |
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if ( ! is_array( $ignored_items ) || array() === $ignored_items ) { |
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return; |
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} |
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// Get INDEXER of ignored issues. |
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$index_lists = get_site_option( Scan::IGNORE_INDEXER, array() ); |
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// Get existed ignored issues. |
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$existed_issues = $model->get_issues( null, Scan_Item::STATUS_IGNORE ); |
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foreach ( $ignored_items as $item ) { |
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$data = $this->adapt_scan_data( $item ); |
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if ( '' === $data['file'] ) { |
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continue; |
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} |
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if ( is_array( $existed_issues ) && array() !== $existed_issues ) { |
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// Scan was started in version > 2.3.2 . |
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foreach ( $existed_issues as $issue ) { |
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if ( Scan_Item::TYPE_VULNERABILITY === $data['type'] ) { |
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$file_name = $issue->raw_data['base_slug'] ?? ''; |
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} else { |
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$file_name = $issue->raw_data['file'] ?? ''; |
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} |
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// Check for uniqueness of elements. |
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if ( $data['file'] !== $file_name && ! in_array( $file_name, $index_lists, true ) ) { |
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if ( isset( $data['file'] ) ) { |
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$index_lists[] = $data['file']; |
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} elseif ( isset( $data['raw']['slug'] ) ) { |
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$index_lists[] = $data['raw']['slug']; |
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} |
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$model->add_item( $data['type'], $data['raw'], Scan_Item::STATUS_IGNORE ); |
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} |
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} |
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} else { |
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$file_name = $data['file'] ?? $data['raw']['slug'] ?? false; |
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// Scan wasn't start. |
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if ( $file_name && ! in_array( $file_name, $index_lists, true ) ) { |
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$index_lists[] = $file_name; |
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$model->add_item( $data['type'], $data['raw'], Scan_Item::STATUS_IGNORE ); |
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} |
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} |
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} |
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// Update IGNORE_INDEXER. |
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$model->update_ignore_list( $index_lists ); |
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} |
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|
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/** |
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* Retrieves all scan issue data. |
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* |
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* @return array Array of all scan issue data. |
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*/ |
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public function get_scan_issue_data() { |
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return $this->find_all_scan_issue_items(); |
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} |
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|
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/** |
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* Retrieves all scan ignored data. |
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* |
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* @return array Array of all scan ignored data. |
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*/ |
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public function get_scan_ignored_data() { |
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$ids = get_option( self::IGNORE_LIST, false ); |
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if ( ! is_array( $ids ) ) { |
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$ids = get_site_option( self::IGNORE_LIST, array() ); |
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if ( ! is_array( $ids ) ) { |
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return array(); |
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} |
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} |
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|
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return $this->find_all_scan_ignored_items( $ids ); |
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} |
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|
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/** |
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* Runs a simple scan. |
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* |
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* @return int ID of the scan. |
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*/ |
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private function run_simlpe_scan() { |
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$scan_component = wd_di()->get( \WP_Defender\Component\Scan::class ); |
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$scan_model = wd_di()->get( Scan::class ); |
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// The simplest data. |
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$scan_model->percent = 100; |
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$scan_model->total_tasks = 1; |
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$scan_model->task_checkpoint = ''; |
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$scan_model->status = Scan::STATUS_FINISH; |
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$scan_model->date_start = gmdate( 'Y-m-d H:i:s' ); |
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$scan_model->date_end = gmdate( 'Y-m-d H:i:s' ); |
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$scan_model->is_automation = false; |
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$last_id = $scan_model->save(); |
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$this->log( 'Scan ID during data migration: ' . $last_id, Scan_Controller::SCAN_LOG ); |
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$scan_component->advanced_scan_actions( $scan_model ); |
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|
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return $last_id; |
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} |
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|
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/** |
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* Migrates scan data from old format to new format. |
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* |
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* @param array $issue_list List of issue items to migrate. |
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* @param array $ignored_list List of ignored items to migrate. |
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*/ |
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public function migrate_scan_data( $issue_list, $ignored_list ) { |
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$scan = Scan::get_active(); |
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if ( is_object( $scan ) ) { |
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$this->log( 'Scan is still running', Scan_Controller::SCAN_LOG ); |
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|
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return; |
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} |
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$model = Scan::get_last(); |
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// Scan was started and finished before. |
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if ( is_object( $model ) && ! is_wp_error( $model ) ) { |
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$this->save_scan_ignored_data( $ignored_list, $model ); |
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$this->save_scan_issue_data( $issue_list, $model ); |
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} else { |
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/** |
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* Scan hasn't started before. Next steps: |
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* create Scan record, |
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* no send notification, |
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* create Scan items. |
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*/ |
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$this->run_simlpe_scan(); |
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$model = Scan::get_last(); |
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if ( is_object( $model ) && ! is_wp_error( $model ) ) { |
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$this->save_scan_ignored_data( $ignored_list, $model ); |
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$this->save_scan_issue_data( $issue_list, $model ); |
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} |
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} |
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} |
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|
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/** |
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* Removes old scan data from the database. |
| 342 |
* |
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* @param array $issue_list List of issue items to remove. |
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* @param array $ignored_list List of ignored items to remove. |
| 345 |
*/ |
| 346 |
public function remove_old_scan_data( $issue_list, $ignored_list ) { |
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// Delete the list of scan issues. |
| 348 |
if ( is_array( $issue_list ) && array() !== $issue_list ) { |
| 349 |
$parent_post_id = (int) $issue_list[0]['parentId']; |
| 350 |
foreach ( $issue_list as $key => $issue ) { |
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// Delete scan items. |
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wp_delete_post( (int) $issue['id'] ); |
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} |
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// Delete scan. |
| 355 |
wp_delete_post( $parent_post_id ); |
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} |
| 357 |
// Delete the ignored list. |
| 358 |
if ( is_array( $ignored_list ) && array() !== $ignored_list ) { |
| 359 |
$parent_post_id = (int) $ignored_list[0]['parentId']; |
| 360 |
foreach ( $ignored_list as $key => $item ) { |
| 361 |
// Delete scan items. |
| 362 |
wp_delete_post( (int) $item['id'] ); |
| 363 |
} |
| 364 |
// Delete scan. |
| 365 |
wp_delete_post( $parent_post_id ); |
| 366 |
|
| 367 |
delete_site_option( self::IGNORE_LIST ); |
| 368 |
delete_option( self::IGNORE_LIST ); |
| 369 |
} |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Changes the onboarding status in the database. |
| 374 |
*/ |
| 375 |
public function change_onboarding_status() { |
| 376 |
update_site_option( 'wp_defender_shown_activator', true ); |
| 377 |
} |
| 378 |
|
| 379 |
/** |
| 380 |
* Decrypts data using a public key. |
| 381 |
* |
| 382 |
* @param string $encrypt_data Data to decrypt. |
| 383 |
* @param string $key Public key to use for decryption. |
| 384 |
* |
| 385 |
* @return bool|string Decrypted data or false on failure. |
| 386 |
*/ |
| 387 |
private static function decrypt_data_with_pub_key( $encrypt_data, $key ) { |
| 388 |
// This is not obfuscation. Just decode a base64-encoded string. |
| 389 |
$str = base64_decode( $encrypt_data, true ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode |
| 390 |
if ( ! $str ) { |
| 391 |
return false; |
| 392 |
} |
| 393 |
$cipher = 'aes-256-cbc'; |
| 394 |
$iv_len = openssl_cipher_iv_length( $cipher ); |
| 395 |
$iv = substr( $str, 0, $iv_len ); |
| 396 |
$ciphertext_raw = substr( $str, $iv_len + 32 ); |
| 397 |
|
| 398 |
return openssl_decrypt( $ciphertext_raw, $cipher, $key, OPENSSL_RAW_DATA, $iv ); |
| 399 |
} |
| 400 |
|
| 401 |
/** |
| 402 |
* Decrypts data using a stored public key. |
| 403 |
* |
| 404 |
* @param string $data Data to decrypt. |
| 405 |
* |
| 406 |
* @return bool|string Decrypted data or false on failure. |
| 407 |
*/ |
| 408 |
public static function get_decrypted_data_with_pub_key( $data ) { |
| 409 |
global $wp_filesystem; |
| 410 |
// Initialize the WP filesystem, no more using 'file-put-contents' function. |
| 411 |
if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
| 412 |
require_once ABSPATH . '/wp-admin/includes/file.php'; |
| 413 |
WP_Filesystem(); |
| 414 |
} |
| 415 |
$path_to_pub_key = __DIR__ . '/def.key'; |
| 416 |
if ( ! file_exists( $path_to_pub_key ) ) { |
| 417 |
return false; |
| 418 |
} |
| 419 |
$key = $wp_filesystem->get_contents( $path_to_pub_key ); |
| 420 |
|
| 421 |
return false !== $key ? self::decrypt_data_with_pub_key( $data, $key ) : ''; |
| 422 |
} |
| 423 |
} |
| 424 |
|
