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<?php |
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|
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namespace King_Addons; |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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class Upload_Email_File |
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{ |
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public function __construct() |
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{ |
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add_action('wp_ajax_king_addons_upload_file', [$this, 'handle_file_upload']); |
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add_action('wp_ajax_nopriv_king_addons_upload_file', [$this, 'handle_file_upload']); |
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} |
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|
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public function handle_file_upload() |
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{ |
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if (!isset($_POST['king_addons_fb_nonce']) || !wp_verify_nonce($_POST['king_addons_fb_nonce'], 'king-addons-js')) { |
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wp_send_json_error(array( |
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'message' => esc_html__('Security check failed.', 'king-addons'), |
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)); |
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} |
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|
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$max_file_size = isset($_POST['max_file_size']) ? floatval(sanitize_text_field($_POST['max_file_size'])) : 0; |
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if ($max_file_size <= 0) { |
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$max_file_size = wp_max_upload_size() / pow(1024, 2); |
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} |
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|
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if (isset($_FILES['uploaded_file'])) { |
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$file = $_FILES['uploaded_file']; |
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|
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if ($file['size'] > $max_file_size * 1024 * 1024) { |
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wp_send_json_error(array( |
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'cause' => 'filesize', |
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'sizes' => [ |
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$max_file_size * 1024 * 1024, |
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$file['size'] |
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], |
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'message' => 'File size exceeds the allowed limit.' |
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)); |
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} |
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|
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if (!$this->file_validity($file)) { |
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wp_send_json_error(array( |
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'cause' => 'filetype', |
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'message' => esc_html__('File type is not valid.', 'king-addons') |
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)); |
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} |
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|
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if ('click' == $_POST['triggering_event']) { |
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$upload_dir = wp_upload_dir(); |
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$upload_path = $upload_dir['basedir'] . '/king-addons/forms'; |
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|
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wp_mkdir_p($upload_path); |
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|
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$filename = wp_unique_filename($upload_path, $file['name']); |
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|
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if (move_uploaded_file($file['tmp_name'], $upload_path . '/' . $filename)) { |
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wp_send_json_success(array( |
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'url' => $upload_dir['baseurl'] . '/king-addons/forms/' . $filename |
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)); |
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} else { |
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wp_send_json_error(array( |
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'message' => esc_html__('Failed to upload the file.', 'king-addons') |
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)); |
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} |
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} else { |
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wp_send_json_success(array( |
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'message' => esc_html__('File validation passed', 'king-addons') |
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)); |
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} |
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} |
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|
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if ('click' == $_POST['triggering_event']) { |
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|
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$upload_dir = wp_upload_dir(); |
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$upload_path = $upload_dir['basedir'] . '/king-addons/forms'; |
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|
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wp_mkdir_p($upload_path); |
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|
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wp_send_json_error(array( |
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'message' => esc_html__('No file was uploaded.', 'king-addons'), |
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'files' => $_FILES['uploaded_file'] |
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)); |
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} |
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} |
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|
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private function file_validity($file) |
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{ |
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$whitelist = ['jpg', 'jpeg', 'png', 'gif', 'pdf', 'doc', 'docx', 'ppt', 'pptx', 'odt', 'avi', 'ogg', 'm4a', 'mov', 'mp3', 'mp4', 'mpg', 'wav', 'wmv', 'txt']; |
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|
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if (empty($_POST['allowed_file_types'])) { |
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$allowed_file_types = 'jpg,jpeg,png,gif,pdf,doc,docx,ppt,pptx,odt,avi,ogg,m4a,mov,mp3,mp4,mpg,wav,wmv,txt'; |
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} else { |
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$allowed_file_types = $_POST['allowed_file_types']; |
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} |
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|
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if (!wp_check_filetype($file['name'])['ext']) { |
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return 'mailto:[email protected]?subject=Bug Report - King Addons&body=Please describe the issue'; |
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} |
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|
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$f_extension = pathinfo($file['name'], PATHINFO_EXTENSION); |
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$f_extension = strtolower($f_extension); |
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|
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$allowed_file_types = explode(',', $allowed_file_types); |
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$allowed_file_types = array_map('trim', $allowed_file_types); |
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$allowed_file_types = array_map('strtolower', $allowed_file_types); |
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|
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return (in_array($f_extension, $allowed_file_types) && in_array($f_extension, $whitelist) && !in_array($f_extension, $this->get_exclusion_list())); |
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} |
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|
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private function get_exclusion_list() |
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{ |
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static $exclusionlist = false; |
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if (!$exclusionlist) { |
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$exclusionlist = [ |
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'php', |
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'php3', |
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'php4', |
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'php5', |
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'php6', |
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'phps', |
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'php7', |
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'phtml', |
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'shtml', |
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'pht', |
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'swf', |
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'html', |
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'asp', |
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'aspx', |
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'cmd', |
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'csh', |
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'bat', |
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'htm', |
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'hta', |
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'jar', |
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'exe', |
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'com', |
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'js', |
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'lnk', |
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'htaccess', |
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'htpasswd', |
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'phtml', |
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'ps1', |
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'ps2', |
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'py', |
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'rb', |
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'tmp', |
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'cgi', |
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'svg', |
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'svgz' |
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]; |
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} |
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|
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return $exclusionlist; |
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} |
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} |
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|
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new Upload_Email_File(); |
