1 otherwise return upload path
# error if 1<>usb sticks are installed
$rmv_usb_path_count = shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs | cut -d " " -f 4 | grep "^MOUNTPOINT=\"/media" | wc -l');
if ($rmv_usb_path_count == 0) {
throw new RuntimeException('0 USB sticks found.
');
} elseif ($rmv_usb_path_count > 1) {
throw new RuntimeException('More than 1 USB sticks installed.
');
}
$rmv_usb_path = trim(str_replace('"', '', shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs | cut -d " " -f 4 | grep "^MOUNTPOINT=\"/media" | cut -d "=" -f 2')));
if (empty($rmv_usb_path)) {
throw new RuntimeException('Not able to find USB stick.
');
} else {
return $rmv_usb_path . "/";
}
}
//returns folder path where file will be stored, if create_folder_p = 1, it will create the folder if it doesn't exist
function getTargetFolderPath ($create_folder_p) {
$parent_dir = getTargetUSBDriveLocation();
$today_folder_name = "UPLOADS." . date("Y-m-d");
$target_folder_path = $parent_dir . $today_folder_name;
if (!file_exists($target_folder_path) && $create_folder_p) {
mkdir($target_folder_path, 0777) or throw new RuntimeException("Not able to create upload directory.
Make sure 'usb_lib_writable_sticks' is set to 'True'.
");
}
return $target_folder_path;
}
//return number of files within a specified folder
function getFileCount ($folder_path) {
return count(glob($folder_path . "/*"));
}
//check if file mimetype is acceptable for upload
function isFileMimeTypeAcceptable ($file) {
$mimetype = strtolower(mime_content_type($file));
$invalid_mimetypes_str = array ("compress", "image/svg+xml", "octet", "text/xml", "xhtml+xml");
foreach ($invalid_mimetypes_str as $invalid_mt_str) {
if (str_contains($mimetype, $invalid_mt_str)) {
error_log('UPLOAD2USB ERROR - MIMETYPE: ' . $mimetype);
return false;
}
}
return true;
}
//check file content to see if it's unique or not
function isFileContentUnique ($target_folder_path, $file) {
$file_to_upload_md5 = md5_file($file);
$usb_dir = array_diff(scandir($target_folder_path), array('..', '.'));
foreach ($usb_dir as $dir_file) {
$dir_file = $target_folder_path . "/" . $dir_file;
if (!is_dir($dir_file)) {
$dir_file_md5 = md5_file($dir_file);
if ($file_to_upload_md5 == $dir_file_md5) {
return false;
}
}
}
return true;
}
//return unique filename
function getUniqueFileName ($target_folder_path, $filename) {
$new_filename = $filename;
$counter = 1;
while (file_exists($target_folder_path . "/" . $new_filename)) {
$counter++;
$new_filename = pathinfo($filename,8) . '-'. $counter . "." . pathinfo($filename,4);
}
return $new_filename;
}
// Check file size - we are not going to check file size for now.
// elseif ($_FILES["uploaded_file"]["size"] > 5000000) {
// $upload_msg = "Your file is too large.";
// $upload_ok = 0;
// }
?>