first commit

vendor/wpcfto/helpers/file_upload.php

@@ -0,0 +1,155 @@
+<?php
+new STM_WPCFTO_FILE_UPLOAD();
+
+class STM_WPCFTO_FILE_UPLOAD {
+
+	public function __construct() {
+		add_action( 'wp_ajax_wpcfto_upload_file', array( $this, 'upload_file' ) );
+	}
+
+	public function upload_file() {
+		check_ajax_referer( 'wpcfto_upload_file', 'nonce' );
+
+		if ( ! empty( $_FILES['file'] ) && ! empty( $_FILES['file']['name'] ) ) {
+			$filename = sanitize_text_field( $_FILES['file']['name'] );
+			do_action( 'stm_lms_nuxy_repeater_upload_file', $filename );
+		}
+
+		$this->create_folder();
+
+		$r = array(
+			'error' => apply_filters( 'wpcfto_file_error_label', __( 'Error occurred, please try again', 'nuxy' ) ),
+			'path'  => '',
+			'url'   => '',
+		);
+
+		if ( empty( $_POST['field'] ) ) {
+			wp_send_json( $r );
+		}
+
+		$field = sanitize_text_field( $_POST['field'] );
+
+		/*is_repeater?*/
+		if ( ! empty( $_POST['field_native_name'] ) && ! empty( $_POST['field_native_name_inner'] ) ) {
+			$field       = sanitize_text_field( $_POST['field_native_name'] );
+			$field_inner = sanitize_text_field( $_POST['field_native_name_inner'] );
+		}
+
+		$field_data = $this->get_field_data( $field );
+
+		if ( ! empty( $field_inner ) && ! empty( $field_data ) && ! empty( $field_data['fields'] ) && ! empty( $field_data['fields'][ $field_inner ] ) ) {
+			$field_data = $field_data['fields'][ $field_inner ];
+		}
+
+		if ( empty( $field_data ) ) {
+			wp_send_json( $r );
+		}
+
+		$allowed_extensions = $field_data['mimes'];
+
+		if ( empty( $_FILES['file'] ) ) {
+			wp_send_json(
+				array(
+					'error' => apply_filters( 'wpcfto_empty_file_error_label', __( 'Please, select file', 'nuxy' ) ),
+				)
+			);
+		}
+
+		$path = ( isset( $_FILES['file']['name'] ) ) ? sanitize_text_field( $_FILES['file']['name'] ) : '';
+		$ext  = pathinfo( $path, PATHINFO_EXTENSION );
+
+		if ( ! in_array( $ext, $allowed_extensions, true ) ) {
+			wp_send_json(
+				array(
+					'error'   => true,
+					'message' => apply_filters( 'wpcfto_file_error_ext_label', __( 'Invalid file extension', 'nuxy' ) ),
+				)
+			);
+		}
+
+		$filename    = md5( time() ) . basename( $path );
+		$file        = ( isset( $_FILES['file']['tmp_name'] ) ) ? file_get_contents( sanitize_text_field( $_FILES['file']['tmp_name'] ) ) : '';
+		$upload_file = wp_upload_bits( $filename, null, $file );
+
+		if ( $upload_file['error'] ) {
+			$r['error'] = $upload_file['error'];
+			wp_send_json( $r );
+		}
+
+		rename( $upload_file['file'], $this->get_file_path( $filename ) );
+
+		$file_data  = $this->get_file_data( $filename );
+		$r['error'] = '';
+		$r['path']  = $file_data['path'];
+		$r['url']   = $file_data['url'];
+
+		if ( apply_filters( "wpcfto_modify_file_{$field}", false ) ) {
+			$r = apply_filters( "wpcfto_modified_{$field}", $r, $filename );
+		}
+
+		wp_send_json( $r );
+	}
+
+	public function get_file_path( $filename ) {
+		return $this->upload_dir() . '/' . $filename;
+	}
+
+	public function get_file_url( $filename ) {
+		return $this->upload_url() . '/' . $filename;
+	}
+
+	public function get_file_data( $filename ) {
+		return array(
+			'path' => $this->get_file_path( $filename ),
+			'url'  => $this->get_file_url( $filename ),
+		);
+	}
+
+	public function get_field_data( $name ) {
+		$boxes = apply_filters( 'stm_wpcfto_fields', array() );
+
+		foreach ( $boxes as $box ) {
+			foreach ( $box as $section ) {
+				foreach ( $section['fields'] as $field_key => $field ) {
+					if ( $field_key === $name ) {
+						return $field;
+					}
+				}
+			}
+		}
+
+		return false;
+	}
+
+
+	public static function upload_url() {
+		$upload     = wp_upload_dir();
+		$upload_dir = $upload['baseurl'];
+
+		return $upload_dir . '/wpcfto_files';
+	}
+
+	public static function upload_dir() {
+		$upload     = wp_upload_dir();
+		$upload_dir = $upload['basedir'];
+
+		return $upload_dir . '/wpcfto_files';
+	}
+
+	public function create_folder() {
+
+		global $wp_filesystem;
+
+		if ( empty( $wp_filesystem ) ) {
+			require_once ABSPATH . '/wp-admin/includes/file.php';
+			WP_Filesystem();
+		}
+
+		$upload_dir = $this->upload_dir();
+
+		if ( ! $wp_filesystem->is_dir( $upload_dir ) ) {
+			wp_mkdir_p( $upload_dir );
+		}
+	}
+
+}