file_check_directory
Definition
file_check_directory(&$directory, $mode = 0, $form_item = NULL)
drupal/includes/file.inc, line 80
Description
Check that directory exists and is writable.
Parameters
$directory Path to extract and verify directory for.
$mode Try to create the directory if it does not exist.
$form_item Optional name for a field item to attach potential errors to.
Return value
False when directory not found, or true when directory exists.
Related topics
Name | Description |
|---|---|
| File interface | Common file handling functions. |
Code
function file_check_directory(&$directory, $mode = 0, $form_item = NULL) {
$directory = rtrim($directory, '/\\');
// Check if directory exists.
if (!is_dir($directory)) {
if (($mode & FILE_CREATE_DIRECTORY) && @mkdir($directory, 0760)) {
drupal_set_message(t('Created directory %directory.', array('%directory' => theme('placeholder', $directory))));
}
else {
if ($form_item) {
form_set_error($form_item, t('The directory %directory does not exist.', array('%directory' => theme('placeholder', $directory))));
}
return false;
}
}
// Check to see if the directory is writable.
if (!is_writable($directory)) {
if (($mode & FILE_MODIFY_PERMISSIONS) && @chmod($directory, 0760)) {
drupal_set_message(t('Modified permissions on directory %directory.', array('%directory' => theme('placeholder', $directory))));
}
else {
form_set_error($form_item, t('The directory %directory is not writable.', array('%directory' => theme('placeholder', $directory))));
return false;
}
}
if ((variable_get('file_directory_temp', FILE_DIRECTORY_TEMP) == $directory || variable_get('file_directory_path', 'files') == $directory) && !is_file("$directory/.htaccess")) {
$htaccess_lines = "SetHandler Drupal_Security_Do_Not_Remove_See_SA_2006_006\nOptions None\n<IfModule mod_rewrite.c>\n RewriteEngine off\n</IfModule>";
if (($fp = fopen("$directory/.htaccess", 'w')) && fputs($fp, $htaccess_lines)) {
fclose($fp);
}
else {
$message = t("Security warning: Couldn't write .htaccess file. Please create a .htaccess file in your %directory directory which contains the following lines: <code>%htaccess</code>", array('%directory' => theme('placeholder', $directory), '%htaccess' => '<br />'. str_replace("\n", '<br />', check_plain($htaccess_lines))));
form_set_error($form_item, $message);
watchdog('security', $message, WATCHDOG_ERROR);
}
}
return true;
}