_path );

		return $unique_dir_path;
	}

	/**
	 * Register Ajax Actions
	 *
	 * Runs on the 'elementor/ajax/register_actions' hook. Receives the AJAX module as a parameter and registers
	 * callbacks for specified action IDs.
	 *
	 * @since 3.5.0
	 * @access public
	 *
	 * @param Ajax $ajax
	 */
	public function register_ajax_actions( Ajax $ajax ) {
		$ajax->register_ajax_action( 'enable_unfiltered_files_upload', [ $this, 'enable_unfiltered_files_upload' ] );
	}

	/**
	 * Set Unfiltered Files Upload
	 *
	 * @since 3.5.0
	 * @access public
	 */
	public function enable_unfiltered_files_upload() {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		update_option( self::UNFILTERED_FILE_UPLOADS_KEY, 1 );
	}

	/**
	 * Support Unfiltered File Uploads
	 *
	 * When uploading a file within Elementor, this method adds the registered
	 * file types to WordPress' allowed mimes list. This will only happen if the user allowed unfiltered file uploads
	 * in Elementor's settings in the admin dashboard.
	 *
	 * @since 3.5.0
	 * @access public
	 *
	 * @param array $allowed_mimes
	 * @return array allowed mime types
	 */
	final public function support_unfiltered_elementor_file_uploads( $allowed_mimes ) {
		if ( $this->is_elementor_upload() && $this->are_unfiltered_uploads_enabled() ) {
			foreach ( $this->file_type_handlers as $file_type_handler ) {
				$allowed_mimes[ $file_type_handler->get_file_extension() ] = $file_type_handler->get_mime_type();
			}
		}

		return $allowed_mimes;
	}

	/**
	 * Set Elementor Upload State
	 *
	 * @since 3.5.0
	 * @access public
	 *
	 * @param $state
	 */
	public function set_elementor_upload_state( $state ) {
		$this->is_elementor_upload = $state;
	}

	/**
	 * Is Elementor Upload
	 *
	 * This method checks if the current session includes a request to upload files made via Elementor.
	 *
	 * @since 3.5.0
	 * @access private
	 *
	 * @return bool
	 */
	private function is_elementor_upload() {
		return $this->is_elementor_upload || $this->is_elementor_media_upload() || $this->is_elementor_wp_media_upload();
	}

	/**
	 * Is Elementor Media Upload
	 *
	 * Checks whether the current request includes uploading files via Elementor which are not destined for the Media
	 * Library.
	 *
	 * @since 3.5.0
	 * @access private
	 *
	 * @return bool
	 */
	private function is_elementor_media_upload() {
		// Sometimes `uploadTypeCaller` passed as a GET parameter when using the WP Media Library REST API, where the
		// whole request body is occupied by the uploaded file.
		return isset( $_REQUEST['uploadTypeCaller'] ) && 'elementor-media-upload' === $_REQUEST['uploadTypeCaller']; // phpcs:ignore
	}

	/**
	 * Is Elementor WP Media Upload
	 *
	 * Checks whether the current request is a request to upload files into the WP Media Library via Elementor.
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @return bool
	 */
	private function is_elementor_wp_media_upload() {
		return isset( $_REQUEST['uploadTypeCaller'] ) && 'elementor-wp-media-upload' === $_REQUEST['uploadTypeCaller']; // phpcs:ignore
	}

	/**
	 * Add File Extension To Allowed Extensions List
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @param string $file_type
	 */
	private function add_file_extension_to_allowed_extensions_list( $file_type ) {
		$file_handler = $this->file_type_handlers[ $file_type ];

		$file_extension = $file_handler->get_file_extension();

		// Only add the file extension to the list if it doesn't already exist in it.
		if ( ! in_array( $file_extension, $this->allowed_file_extensions, true ) ) {
			$this->allowed_file_extensions[] = $file_extension;
		}
	}

	/**
	 * Save Base64 as File
	 *
	 * Saves a Base64 string as a .tmp file in Elementor's temporary files directory.
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @param $file
	 * @return array|\WP_Error
	 */
	private function save_base64_to_tmp_file( $file ) {
		$file_content = base64_decode( $file['fileData'] ); // phpcs:ignore

		// If the decode fails
		if ( ! $file_content ) {
			return new \WP_Error( 'file_error', self::INVALID_FILE_CONTENT );
		}

		$temp_filename = $this->create_temp_file( $file_content, $file['fileName'] );

		if ( is_wp_error( $temp_filename ) ) {
			return $temp_filename;
		}

		return [
			// the original uploaded file name
			'name' => $file['fileName'],
			// The path to the temporary file
			'tmp_name' => $temp_filename,
		];
	}

	/**
	 * Validate File
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @param array $file
	 * @param array $file_extensions Optional
	 * @return bool|\WP_Error
	 */
	private function validate_file( array $file, $file_extensions = [] ) {
		$uploaded_file_name = isset( $file['name'] ) ? $file['name'] : $file['tmp_name'];

		$file_extension = pathinfo( $uploaded_file_name, PATHINFO_EXTENSION );

		if ( ! $this->is_elementor_wp_media_upload() ) {
			$is_file_type_allowed = $this->is_file_type_allowed( $file_extension, $file_extensions );

			if ( is_wp_error( $is_file_type_allowed ) ) {
				return $is_file_type_allowed;
			}
		}

		$file_type_handler = $this->get_file_type_handlers( $file_extension );

		// If Elementor does not have a handler for this file type, don't block it.
		if ( ! $file_type_handler ) {
			return true;
		}

		// If there is a File Type Handler for the uploaded file, it means it is a non-standard file type. In this case,
		// we check if unfiltered file uploads are enabled or not before allowing it.
		if ( ! self::are_unfiltered_uploads_enabled() ) {
			return new \WP_Error( Exceptions::FORBIDDEN, esc_html__( 'This file is not allowed for security reasons.', 'elementor' ) );
		}

		// Here is each file type handler's chance to run its own specific validations
		return $file_type_handler->validate_file( $file );
	}

	/**
	 * Is File Type Allowed
	 *
	 * Checks whether the passed file extension is allowed for upload.
	 *
	 * @since 3.5.0
	 * @access private
	 *
	 * @param $file_extension
	 * @param $filtered_file_extensions
	 * @return bool|\WP_Error
	 */
	private function is_file_type_allowed( $file_extension, $filtered_file_extensions ) {
		$allowed_file_extensions = $this->get_allowed_file_extensions();

		if ( $filtered_file_extensions ) {
			$allowed_file_extensions = array_intersect( $allowed_file_extensions, $filtered_file_extensions );
		}

		$is_allowed = false;

		// Check if the file type (extension) is in the allowed extensions list. If it is a non-standard file type (not
		// enabled by default in WordPress) and unfiltered file uploads are not enabled, it will not be in the allowed
		// file extensions list.
		foreach ( $allowed_file_extensions as $allowed_extension ) {
			if ( preg_match( '/' . $allowed_extension . '/', $file_extension ) ) {
				$is_allowed = true;

				break;
			}
		}

		if ( ! $is_allowed ) {
			$is_allowed = new \WP_Error( Exceptions::FORBIDDEN, 'Uploading this file type is not allowed.' );
		}

		return $is_allowed;
	}

	/**
	 * Remove Directory with Files
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @param string $dir
	 * @return bool
	 */
	private function remove_directory_with_files( $dir ) {
		$dir_iterator = new \RecursiveDirectoryIterator( $dir, \RecursiveDirectoryIterator::SKIP_DOTS );

		foreach ( new \RecursiveIteratorIterator( $dir_iterator, \RecursiveIteratorIterator::CHILD_FIRST ) as $name => $item ) {
			if ( is_dir( $name ) ) {
				rmdir( $name );
			} else {
				unlink( $name );
			}
		}

		return rmdir( $dir );
	}

	/**
	 * Get Allowed File Extensions
	 *
	 * Retrieve an array containing the list of file extensions allowed for upload.
	 *
	 * @since 3.3.0
	 * @access private
	 *
	 * @return array file extension/s
	 */
	private function get_allowed_file_extensions() {
		if ( ! $this->allowed_file_extensions ) {
			$this->allowed_file_extensions = array_keys( get_allowed_mime_types() );

			foreach ( $this->get_file_type_handlers() as $file_type => $handler ) {
				if ( $handler->is_upload_allowed() ) {
					// Add the file extension to the allowed extensions list only if unfiltered files upload is enabled.
					$this->add_file_extension_to_allowed_extensions_list( $file_type );
				}
			}
		}

		return $this->allowed_file_extensions;
	}

	public function __construct() {
		$this->register_file_types();

		add_filter( 'upload_mimes', [ $this, 'support_unfiltered_elementor_file_uploads' ] );
		add_filter( 'wp_handle_upload_prefilter', [ $this, 'handle_elementor_wp_media_upload' ] );
		add_filter( 'wp_check_filetype_and_ext', [ $this, 'check_filetype_and_ext' ], 10, 4 );

		// Ajax.
		add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
	}
}