Subversion Repositories cheapmusic

<?php
// The file has JSON type.
header('Content-Type: application/json');

// Prepare the file name from the query string.
if (!preg_match("#^[a-zA-Z0-9_]+$#", $_GET['file'])) {
    die;
}
$file = "../MyFiles/tmp/pb_" . $_GET['file'] . ".txt";

// Make sure the file is exist.
if (file_exists($file)) {
    // Get the content and echo it.
    $text = file_get_contents($file);
    echo $text;

    // Convert to JSON to read the status.
    $obj = json_decode($text);

    // If the process is finished, delete the file.
    if ($obj->percent >= 100) {
        @unlink($file);
    }
}
else {
    echo json_encode(array(
        "percent" => null,
        "message" => "File Not Found"
    ));
}