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<?php |
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/** |
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* Represents a Malware Result behavior. |
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* |
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* @package WP_Defender\Behavior\Scan_Item |
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*/ |
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|
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namespace WP_Defender\Behavior\Scan_Item; |
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|
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use WP_Error; |
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use WP_Defender\Traits\IO; |
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use WP_Defender\Model\Scan; |
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use WP_Defender\Traits\Theme; |
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use WP_Defender\Traits\Plugin; |
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use Calotes\Component\Behavior; |
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use WP_Defender\Traits\Formats; |
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use WP_Defender\Model\Scan_Item; |
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use WP_Defender\Component\Error_Code; |
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use WP_Defender\Traits\File_Operations; |
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use WP_Defender\Helper\File as File_Helper; |
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use WP_Defender\Component\Quarantine as Quarantine_Component; |
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use WP_Filesystem_Base; |
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|
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/** |
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* Represents a Malware Result behavior. |
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*/ |
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class Malware_Result extends Behavior { |
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|
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use Formats; |
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use IO; |
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use Plugin; |
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use Theme; |
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use File_Operations; |
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|
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private const REMOTE_FILE_IDENTICAL = 'REMOTE_FILE_IDENTICAL'; |
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private const REMOTE_FILE_DIFFER = 'REMOTE_FILE_DIFFER'; |
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private const REMOTE_FILE_NOT_EXISTS = 'REMOTE_FILE_NOT_EXISTS'; |
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private const REPAIR_NOT_IMPLEMENTED = 'REPAIR_NOT_IMPLEMENTED'; |
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|
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/** |
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* Generates an array representation of the scan item. |
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* |
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* @return array |
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*/ |
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public function to_array() { |
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$file = $this->owner->raw_data['file']; |
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list( $file_size, $file_created_at, $delete ) = $this->get_file_meta( $file ); |
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$is_quarantinable = $delete ? false : $this->is_quarantinable( $file ); |
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|
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$quarantine_data = class_exists( 'WP_Defender\Component\Quarantine' ) ? |
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wd_di()->get( Quarantine_Component::class )->scan_item_data( $this->owner ) : |
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array( 'is_quarantinable' => $is_quarantinable ); |
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|
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return array_merge( |
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array( |
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'id' => $this->owner->id, |
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'type' => Scan_Item::TYPE_SUSPICIOUS, |
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'file_name' => pathinfo( $file, PATHINFO_BASENAME ), |
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'full_path' => $file, |
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'date_added' => $file_created_at, |
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'size' => $file_size, |
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'deleted' => $delete, |
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'short_desc' => esc_html__( 'Suspicious function found', 'defender-security' ), |
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), |
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$quarantine_data |
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); |
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} |
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|
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/** |
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* Ignores the scan item and marks it as successfully ignored. |
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* |
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* @return array An array with a message indicating the successful ignore action. |
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*/ |
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public function ignore(): array { |
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$scan = Scan::get_last(); |
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$scan->ignore_issue( $this->owner->id ); |
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|
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return array( 'message' => esc_html__( 'The suspicious file has been successfully ignored.', 'defender-security' ) ); |
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} |
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|
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/** |
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* Restores the ignored suspicious file. |
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* |
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* @return array An array with a message indicating the successful restoration action. |
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*/ |
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public function unignore(): array { |
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$scan = Scan::get_last(); |
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$scan->unignore_issue( $this->owner->id ); |
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|
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return array( 'message' => esc_html__( 'The suspicious file has been successfully restored.', 'defender-security' ) ); |
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} |
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|
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/** |
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* Delete the file, or whole folder. |
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* |
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* @return array|WP_Error |
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*/ |
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public function delete() { |
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$data = $this->owner->raw_data; |
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$scan = Scan::get_last(); |
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$path = $data['file']; |
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if ( ! file_exists( $path ) || ! is_readable( $path ) ) { |
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$scan->remove_issue( $this->owner->id ); |
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$this->log( |
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sprintf( '%s is not readable and will be removed from the scan result', $path ), |
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\WP_Defender\Controller\Scan::SCAN_LOG |
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); |
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|
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return array( 'message' => esc_html__( 'This item has been deleted.', 'defender-security' ) ); |
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} |
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/** |
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* If the path inside theme or plugin folder, then we remove the whole plugin/theme for prevent fatal error. |
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* If the path is to wp-config, we can't delete it. |
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*/ |
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if ( defender_wp_config_path() === $path ) { |
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return new WP_Error( |
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Error_Code::INVALID, |
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esc_html__( 'wp-config.php can\'t be removed. Please remove the suspicious code manually.', 'defender-security' ) |
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); |
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} |
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// If it's not relative path, which mean it is something lay on wp-content folder, we can delete it. |
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if ( ! $this->delete_infected_file( $path ) ) { |
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return $this->get_permission_error( $path ); |
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} |
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|
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return $this->after_delete( $path, $scan, 'malware' ); |
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} |
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|
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/** |
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* Return the source code depending on the type of the issue. |
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* |
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* @return void|array |
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*/ |
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public function pull_src() { |
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global $wp_filesystem; |
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// Initialize the WP filesystem, no more using 'file-put-contents' function. |
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if ( ! $wp_filesystem instanceof WP_Filesystem_Base ) { |
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require_once ABSPATH . '/wp-admin/includes/file.php'; |
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WP_Filesystem(); |
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} |
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$data = $this->owner->raw_data; |
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|
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$file_path = wp_normalize_path( $data['file'] ); |
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|
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$active = false; |
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$type_src = ''; |
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if ( ! file_exists( $file_path ) ) { |
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return array( |
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'origin' => '', |
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'code' => '', |
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); |
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} elseif ( false !== stripos( $file_path, wp_normalize_path( WP_PLUGIN_DIR ) ) ) { |
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$active = $this->is_active_plugin( $file_path ); |
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$type_src = 'plugin'; |
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} elseif ( false !== stripos( $file_path, wp_normalize_path( $this->get_path_of_themes_dir() ) ) ) { |
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$active = $this->is_active_theme( $file_path ); |
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$type_src = 'theme'; |
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} |
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|
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$markers = array(); |
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foreach ( $data as $item ) { |
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if ( isset( $item['catches'] ) ) { |
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foreach ( $item['catches'] as $catch ) { |
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$markers = array_merge( $markers, $catch['mapper'] ); |
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} |
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} |
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} |
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|
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$success_data = array( |
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'origin' => $wp_filesystem->get_contents( $file_path ), |
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'mapper' => $markers, |
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'active' => $active, |
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'type_src' => $type_src, |
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); |
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|
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if ( 'plugin' === $type_src ) { |
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$directory_name = $this->get_plugin_directory_name( $file_path ); |
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$plugin_headers = $this->get_plugin_headers( $file_path ); |
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if ( empty( $plugin_headers ) ) { |
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return $success_data; |
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} |
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|
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$plugin_headers = reset( $plugin_headers ); |
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|
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$success_data['local_file_state'] = $this->get_local_file_state( |
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$file_path, |
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$directory_name, |
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$plugin_headers |
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); |
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|
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$success_data['directory_name'] = $directory_name; |
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$success_data['author'] = $plugin_headers['Author'] ?? ''; |
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$success_data['author_uri'] = $plugin_headers['AuthorURI'] ?? ''; |
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} |
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|
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wp_send_json_success( $success_data ); |
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} |
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|
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/** |
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* Get local file state which used to handle repair or delete in front end. |
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* |
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* @param string $file_path File full path. |
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* @param string $directory_name Plugin directory name. |
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* @param array $plugin_headers Plugin headers. |
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* |
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* @return string Get local file state. |
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*/ |
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private function get_local_file_state( $file_path, $directory_name, $plugin_headers ): string { |
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$file_relative_path = $this->get_plugin_relative_path( $file_path ); |
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|
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$source_file_url = $this->get_file_url( |
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$directory_name, |
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$plugin_headers['Version'], |
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$file_relative_path |
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); |
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|
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/** |
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* Retrieves an instance of the File_Helper class. |
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* |
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* @var File_Helper $file_helper |
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*/ |
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$file_helper = wd_di()->get( File_Helper::class ); |
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|
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$is_identical = $file_helper->is_identical_content( |
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$file_path, |
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$source_file_url |
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); |
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|
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if ( |
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is_wp_error( $is_identical ) && |
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'http_404' === $is_identical->get_error_code() |
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) { |
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// If file is not exists in remote then it may not be repaired. |
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$local_file_state = self::REMOTE_FILE_NOT_EXISTS; |
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} elseif ( false === $is_identical ) { |
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$local_file_state = self::REMOTE_FILE_DIFFER; |
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} else { |
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$local_file_state = self::REMOTE_FILE_IDENTICAL; |
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} |
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|
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return $local_file_state; |
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} |
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|
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/** |
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* A wrapper method for WP_Defender\Behavior\Scan_Item\Plugin_Integrity::resolve(). |
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*/ |
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public function resolve() { |
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$file_path = $this->owner->raw_data['file']; |
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|
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$directory_name = $this->get_plugin_directory_name( $file_path ); |
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$plugin_headers = $this->get_plugin_headers( $file_path ); |
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$plugin_headers = reset( $plugin_headers ); |
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|
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$local_file_state = $this->get_local_file_state( |
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$file_path, |
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$directory_name, |
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$plugin_headers |
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); |
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|
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if ( 'REMOTE_FILE_DIFFER' !== $local_file_state ) { |
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return; |
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} |
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|
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/** |
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* Retrieves an instance of the Plugin_Integrity class. |
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* |
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* @var Plugin_Integrity $plugin_integrity |
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*/ |
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$plugin_integrity = wd_di()->get( Plugin_Integrity::class ); |
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|
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$this->owner->raw_data['type'] = 'modified'; |
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|
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$plugin_integrity->owner = $this->owner; |
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|
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return $plugin_integrity->resolve(); |
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} |
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} |
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|
