.
*/
// =============={ Configuration Begin }==============
$settings = array(
// Website title
'title' => 'strace.club',
// Directory to store uploaded files
'uploaddir' => '.',
// Display list uploaded files
'listfiles' => true,
// Allow users to delete files that they have uploaded (will enable sessions)
'allow_deletion' => true,
// Allow users to mark files as hidden
'allow_private' => true,
// Display file sizes
'listfiles_size' => true,
// Display file dates
'listfiles_date' => true,
// Display file dates format
'listfiles_date_format' => 'F d Y H:i:s',
// Randomize file names (number of 'false')
'random_name_len' => 8,
// Keep filetype information (if random name is activated)
'random_name_keep_type' => true,
// Random file name letters
'random_name_alphabet' => 'qazwsxedcrfvtgbyhnujmikolp1234567890',
// Display debugging information
'debug' => false,
// Complete URL to your directory (including tracing slash)
'url' => 'http://strace.club/',
// Amount of seconds that each file should be stored for (0 for no limit)
// Default 30 days
'time_limit' => 60 * 60 * 24 * 30,
// Files that will be ignored
'ignores' => array('.', '..', 'LICENSE', 'README.md'),
// Language code
'lang' => 'en',
// Language direction
'lang_dir' => 'ltr',
// Remove old files?
'remove_old_files' => true,
// Privacy: Allow external references (the "fork me" ribbon)
'allow_external_refs' => true,
);
// =============={ Configuration End }==============
// Is the local config file there?
if (isReadableFile('config-local.php')) {
// Load it then
include('config-local.php');
}
// Enabling error reporting
if ($settings['debug']) {
error_reporting(E_ALL);
ini_set('display_startup_errors',1);
ini_set('display_errors',1);
}
$data = array();
// Name of this file
$data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
// Adding current script name to ignore list
$data['ignores'] = $settings['ignores'];
$data['ignores'][] = $data['scriptname'];
// Use canonized path
$data['uploaddir'] = realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR . $settings['uploaddir']);
// Maximum upload size, set by system
$data['max_upload_size'] = ini_get('upload_max_filesize');
// If file deletion or private files are allowed, starting a session.
// This is required for user authentification
if ($settings['allow_deletion'] || $settings['allow_private']) {
session_start();
// 'User ID'
if (!isset($_SESSION['upload_user_id']))
$_SESSION['upload_user_id'] = mt_rand(100000, 999999);
// List of filenames that were uploaded by this user
if (!isset($_SESSION['upload_user_files']))
$_SESSION['upload_user_files'] = array();
}
// If debug is enabled, logging all variables
if ($settings['debug']) {
// Displaying debug information
echo 'Settings:
';
echo '';
print_r($settings);
echo '
';
// Displaying debug information
echo 'Data:
';
echo '';
print_r($data);
echo '
';
echo '';
// Displaying debug information
echo 'SESSION:
';
echo '';
print_r($_SESSION);
echo '
';
}
// Format file size
function formatSize ($bytes) {
$units = array('B', 'KB', 'MB', 'GB', 'TB');
$bytes = max($bytes, 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($units) - 1);
$bytes /= pow(1024, $pow);
return ceil($bytes) . ' ' . $units[$pow];
}
// Rotating a two-dimensional array
function diverseArray ($vector) {
$result = array();
foreach ($vector as $key1 => $value1)
foreach ($value1 as $key2 => $value2)
$result[$key2][$key1] = $value2;
return $result;
}
// Handling file upload
function uploadFile ($file_data) {
global $settings, $data;
$file_data['uploaded_file_name'] = basename($file_data['name']);
$file_data['target_file_name'] = $file_data['uploaded_file_name'];
// Generating random file name
if ($settings['random_name_len'] !== false) {
do {
$file_data['target_file_name'] = '';
while (strlen($file_data['target_file_name']) < $settings['random_name_len'])
$file_data['target_file_name'] .= $settings['random_name_alphabet'][mt_rand(0, strlen($settings['random_name_alphabet']) - 1)];
if ($settings['random_name_keep_type'])
$file_data['target_file_name'] .= '.' . pathinfo($file_data['uploaded_file_name'], PATHINFO_EXTENSION);
} while (isReadableFile($file_data['target_file_name']));
}
$file_data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file_data['target_file_name'];
// Do now allow to overwriting files
if (isReadableFile($file_data['upload_target_file'])) {
echo 'File name already exists' . "\n";
return;
}
// Moving uploaded file OK
if (move_uploaded_file($file_data['tmp_name'], $file_data['upload_target_file'])) {
if ($settings['allow_deletion'] || $settings['allow_private'])
$_SESSION['upload_user_files'][] = $file_data['target_file_name'];
echo $settings['url'] . $file_data['target_file_name'] . "\n";
} else {
echo 'Error: unable to upload the file.';
}
}
// Delete file
function deleteFile ($file) {
global $data;
if (in_array(substr($file, 1), $_SESSION['upload_user_files']) || in_array($file, $_SESSION['upload_user_files'])) {
$fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file;
if (!in_array($file, $data['ignores']) && isReadableFile($fqfn)) {
unlink($fqfn);
echo 'File has been removed';
exit;
}
}
}
// Mark/unmark file as hidden
function markUnmarkHidden ($file) {
global $data;
if (in_array(substr($file, 1), $_SESSION['upload_user_files']) || in_array($file, $_SESSION['upload_user_files'])) {
$fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file;
if (!in_array($file, $data['ignores']) && isReadableFile($fqfn)) {
if (substr($file, 0, 1) === '.') {
rename($fqfn, substr($fqfn, 1));
echo 'File has been made visible';
} else {
rename($fqfn, $data['uploaddir'] . DIRECTORY_SEPARATOR . '.' . $file);
echo 'File has been hidden';
}
exit;
}
}
}
// Checks if the given file is a file and is readable
function isReadableFile ($file) {
return (is_file($file) && is_readable($file));
}
// Files are being POSEed. Uploading them one by one.
if (isset($_FILES['file'])) {
header('Content-type: text/plain');
if (is_array($_FILES['file'])) {
$file_array = diverseArray($_FILES['file']);
foreach ($file_array as $file_data)
uploadFile($file_data);
} else
uploadFile($_FILES['file']);
exit;
}
// Other file functions (delete, private).
if (isset($_POST)) {
if ($settings['allow_deletion'] && (isset($_POST['target'])) && isset($_POST['action']) && $_POST['action'] === 'delete')
deleteFile($_POST['target']);
if ($settings['allow_private'] && (isset($_POST['target'])) && isset($_POST['action']) && $_POST['action'] === 'privatetoggle')
markUnmarkHidden($_POST['target']);
}
// List files in a given directory, excluding certain files
function createArrayFromPath ($dir) {
global $data;
$file_array = array();
$dh = opendir($dir);
while ($filename = readdir($dh)) {
$fqfn = $dir . DIRECTORY_SEPARATOR . $filename;
if (isReadableFile($fqfn) && !in_array($filename, $data['ignores']))
$file_array[filemtime($fqfn)] = $filename;
}
ksort($file_array);
$file_array = array_reverse($file_array, true);
return $file_array;
}
// Removes old files
function removeOldFiles ($dir) {
global $file_array, $settings;
foreach ($file_array as $file) {
$fqfn = $dir . DIRECTORY_SEPARATOR . $file;
if ($settings['time_limit'] < time() - filemtime($fqfn))
unlink($fqfn);
}
}
// Only read files if the feature is enabled
if ($settings['listfiles']) {
$file_array = createArrayFromPath($data['uploaddir']);
// Removing old files
if ($settings['remove_old_files'])
removeOldFiles($data['uploaddir']);
$file_array = createArrayFromPath($data['uploaddir']);
}
?>
<?=$settings['title']?>
$filename) {
$fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $filename;
$file_info = array();
$file_owner = false;
$file_private = $filename[0] === '.';
if ($settings['listfiles_size'])
$file_info[] = formatSize(filesize($fqfn));
if ($settings['listfiles_size'])
$file_info[] = date($settings['listfiles_date_format'], $mtime);
if ($settings['allow_deletion'] || $settings['allow_private'])
if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
$file_owner = true;
$file_info = implode(', ', $file_info);
if (strlen($file_info) > 0)
$file_info = ' (' . $file_info . ')';
$class = '';
if ($file_owner)
$class = 'owned';
if (!$file_private || $file_owner) {
echo "- ";
$url = str_replace('/./', '/', sprintf('%s%s/%s', $settings['url'], $settings['uploaddir'], $filename));
echo "$filename$file_info";
if ($file_owner) {
if ($settings['allow_deletion'])
echo '';
if ($settings['allow_private'])
if ($file_private)
echo '';
else
echo '';
}
echo "
";
}
}
?>
Fork me on GitHub
