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<?php // phpcs:ignore
/**
* Class for dealing with destinations.
*
* @since 2.5
*
* @package Snapshot
* @subpackage Model
*/
if ( class_exists( 'Snapshot_Model_Destination' ) ) {
return;
}
abstract class Snapshot_Model_Destination {
public $name_slug;
public $name_display;
private static $destinations;
/**
* @var array
*/
public $form_errors = array();
public function __construct() {
if ( method_exists( $this, 'on_creation' ) ) {
$this->on_creation();
}
if ( empty( $this->name_display ) || empty ( $this->name_slug ) ) {
wp_die( esc_html__( 'You must override all required vars in your Snapshot Destination class!', SNAPSHOT_I18N_DOMAIN ) );
}
}
public function display_listing_table( $destinations, $edit_url, $delete_url ) {
wp_die( esc_html__( "You must override the function 'display_listing_table' in your Snapshot Destination class!", SNAPSHOT_I18N_DOMAIN ) );
}
public function sendfile_to_remote( $destination_info, $filename ) {
wp_die( esc_html__( "You must override the function 'sendfile_to_remote' in your Snapshot Destination class!", SNAPSHOT_I18N_DOMAIN ) );
}
public function display_details_form( $item = 0 ) {
wp_die( esc_html__( "You must override the function 'display_details_form' in your Snapshot Destination class!", SNAPSHOT_I18N_DOMAIN ) );
}
public static function load_destinations() {
$dir = WPMUDEVSnapshot::instance()->get_plugin_path() . 'lib/Snapshot/Model/Destination';
if ( ! defined( 'WPMUDEV_SNAPSHOT_DESTINATIONS_EXCLUDE' ) ) {
define( 'WPMUDEV_SNAPSHOT_DESTINATIONS_EXCLUDE', '' );
}
//search the dir for files
$snapshot_destination_files = array();
if ( ! is_dir( $dir ) ) {
return;
}
$dh = opendir( $dir );
if ( ! $dh ) {
return;
}
$plugin = readdir( $dh );
while ( false !== $plugin ) {
if ( '.' === $plugin[0] ) {
$plugin = readdir( $dh );
continue;
}
if ( '_' === $plugin[0] ) {
$plugin = readdir( $dh );
continue;
} // Ignore this starting with underscore
$_destination_dir = $dir . '/' . $plugin;
if ( is_dir( $_destination_dir ) ) {
$_destination_dir_file = $_destination_dir . "/index.php";
if ( is_file( $_destination_dir_file ) ) {
$snapshot_destination_files[] = $_destination_dir_file;
}
}
$plugin = readdir( $dh );
}
closedir( $dh );
//echo "snapshot_destination_files<pre>"; print_r($snapshot_destination_files); echo "</pre>";
if ( ( $snapshot_destination_files ) && ( count( $snapshot_destination_files ) ) ) {
sort( $snapshot_destination_files );
foreach ( $snapshot_destination_files as $file ) {
//echo "file=[". $file ."]<br />";
if ( strpos( $file, 'dropbox' ) !== false ) {
if ( version_compare( phpversion(), '5.5.0', '>=' ) ) {
include $file ;
}
} else {
include $file ;
}
}
}
do_action( 'snapshot_destinations_loaded' );
}
public static function get_object_from_type( $type ) {
$destinationClasses = WPMUDEVSnapshot::instance()->get_setting( 'destinationClasses' );
if ( isset( $destinationClasses[ $type ] ) ) {
return $destinationClasses[ $type ];
}
}
public static function get_destinations() {
if ( empty ( self::$destinations ) ) {
self::load_destinations();
}
return self::$destinations;
}
public static function show_destination_item_count( $destination_key ) {
if ( isset( WPMUDEVSnapshot::instance()->config_data['items'] ) ) {
$destination_count = 0;
foreach ( WPMUDEVSnapshot::instance()->config_data['items'] as $snapshot_item ) {
if ( ( isset( $snapshot_item['destination'] ) ) && ( $snapshot_item['destination'] === $destination_key ) ) {
$destination_count++;
}
}
if ( $destination_count ) {
?><a href="<?php echo esc_url( WPMUDEVSnapshot::instance()->get_setting( 'SNAPSHOT_MENU_URL' ) ); ?>snapshot_pro_snapshots&destination=<?php echo esc_attr( $destination_key ); ?>"><?php echo esc_html( $destination_count ); ?></a>
<?php
} else {
echo '<span>0</span>';
}
} else {
echo "0";
}
}
public static function get_destination_item_count( $destination_key ) {
if ( isset( WPMUDEVSnapshot::instance()->config_data['items'] ) ) {
$destination_count = 0;
foreach ( WPMUDEVSnapshot::instance()->config_data['items'] as $snapshot_item ) {
if ( ( isset( $snapshot_item['destination'] ) ) && ( $snapshot_item['destination'] === $destination_key ) ) {
$destination_count++;
}
}
return $destination_count;
} else {
return 0;
}
}
public static function get_destination_nice_name( $destination_type ) {
$nice_names = array(
'dropbox' => __( 'Dropbox', SNAPSHOT_I18N_DOMAIN ),
'aws' => __( 'Amazon AWS', SNAPSHOT_I18N_DOMAIN ),
'google-drive' => __( 'Google Drive', SNAPSHOT_I18N_DOMAIN ),
'ftp' => __( 'FTP/SFTP', SNAPSHOT_I18N_DOMAIN ),
);
if ( isset( $nice_names[ $destination_type ] ) ) {
return $nice_names[ $destination_type ];
}
return $destination_type;
}
/**
* Ensure that an array of destination info has the required fields to be complete and usable
*
* @param array $destination_info
* @param array $required_fields
*
* @return bool
*/
public static function has_required_fields( $destination_info, $required_fields ) {
foreach ( $required_fields as $key => $field ) {
if ( is_array( $field ) ) {
if ( ! self::has_required_fields( $destination_info[ $key ], $field ) ) {
return false;
}
} elseif ( empty( $destination_info[ $field ] ) ) {
return false;
}
}
return true;
}
/**
* Validate a list of basic text fields
*
* @param array $text_fields
* @param array $input
* @param array $output
* @param array $required_fields
*
* @return array
*/
protected function validate_text_fields( $text_fields, $input, $output = array(), $required_fields = array() ) {
foreach ( $text_fields as $field ) {
$output[ $field ] = empty( $input[ $field ] ) ? '' : sanitize_text_field( stripslashes( $input[ $field ] ) );
if ( isset( $required_fields[ $field ] ) && ! $output[ $field ] ) {
$this->form_errors[ $field ] = $required_fields[ $field ];
}
}
return $output;
}
/**
* @param array $number_fields
* @param array $input
* @param array $output
* @param array $required_fields
*
* @return array
*/
protected function validate_number_fields( $number_fields, $input, $output = array(), $required_fields = array() ) {
foreach ( $number_fields as $field ) {
$output[ $field ] = empty( $input[ $field ] ) ? 0 : intval( $input[ $field ] );
if ( isset( $required_fields[ $field ] ) && ! $output[ $field ] ) {
$this->form_errors[ $field ] = $required_fields[ $field ];
}
}
return $output;
}
abstract public function validate_form_data( $d_info );
/**
* Uniform exception handling
*
* Logs error and sets up error status
*
* @since 3.1.6-beta.1
*
* @param Exception $e Exception to log
* @param string $action Action that we were trying to do
*
* @return false
*/
public function handle_exception ($e, $action) {
$this->error_array['errorStatus'] = true;
if ( isset( $this->snapshot_logger ) && isset($e) ) {
$this->snapshot_logger->log_message(
sprintf(
__("Error: Could not perform %1\$s [%2\$s]: Error: %3\$s", SNAPSHOT_I18N_DOMAIN),
$action, $this->name_display, $e
)
);
}
return false;
}
/**
* Sets up destination info and prepares connection
*
* @since v3.1.6-beta.1
*
* @param array $destination_info Destination info to set up
*
* @return bool
*/
public function set_up_destination ($destination_info) {
$this->init();
$this->load_class_destination( $destination_info );
return $this->login();
}
/**
* Purges remote items to spec
*
* @since 3.1.6-beta.1
*
* @param string $root Filename prefix to match.
* @param int $keep_count How many remote files to preserve.
*
* @return int Number of removed files
*/
public function purge_remote_items ($root, $keep_count) {
if (!is_callable(array($this, 'remove_file'))) {
// We're not able to remove remote files.
return 0;
}
if (!is_callable(array($this, 'get_prepared_items'))) {
// We're not able to parse remote items into something we know about.
return 0;
}
$items = $this->list_remote_items($root);
$name_prefix = preg_quote( $root, '/' );
$prepared = array_filter(
$this->get_prepared_items( $items ),
function ( $item ) use ( $name_prefix ) {
// Accurate file name checking
// See $backup_zip_filename in WPMUDEVSnapshot::snapshot_ajax_backup_finish (snapshot.php)
return preg_match( "/$name_prefix\-\d{6}\-\d{6}\-[\da-f]{8}\.zip$/ui", $item['title'] );
}
);
$initial_count = count( $prepared );
$to_remove = $initial_count - $keep_count;
if ($to_remove <= 0) return 0; // Nothing to do here
ksort($prepared);
$removed = 0;
foreach ($prepared as $item) {
try {
if ($this->remove_file($item['id'])) {
$removed++;
}
} catch (Exception $e) {
// Something went wrong
$this->handle_exception($e, "remove {$item['title']}");
}
if ($removed >= $to_remove) break;
}
return $removed;
}
}