function testGetUniqueDirectory()
{
/* Get two random directory names; one with extra data and one
* without.
*/
$directoryA = FileUtility::getUniqueDirectory('attachments');
$directoryB = FileUtility::getUniqueDirectory('attachments/', 'Extra Data!');
/* Directories are also unique in time, with randomness added. */
sleep(1);
$directoryC = FileUtility::getUniqueDirectory('attachments');
$directoryD = FileUtility::getUniqueDirectory('attachments');
/* Make sure all directory names look like md5 strings. */
$this->assertEqual(strlen($directoryA), 32, sprintf("'%s' should be 32 characters long", $directoryA));
$this->assertEqual(strlen($directoryB), 32, sprintf("'%s' should be 32 characters long", $directoryB));
$this->assertEqual(strlen($directoryC), 32, sprintf("'%s' should be 32 characters long", $directoryB));
$this->assertEqual(strlen($directoryD), 32, sprintf("'%s' should be 32 characters long", $directoryB));
/* Make sure extra data is actually being added (directory names
* should not be identical).
*/
$this->assertNotEqual($directoryA, $directoryB, sprintf("'%s' should not equal '%s'", $directoryA, $directoryB));
$this->assertNotEqual($directoryA, $directoryC, sprintf("'%s' should not equal '%s'", $directoryA, $directoryC));
$this->assertNotEqual($directoryA, $directoryD, sprintf("'%s' should not equal '%s'", $directoryA, $directoryD));
$this->assertNotEqual($directoryB, $directoryC, sprintf("'%s' should not equal '%s'", $directoryB, $directoryC));
$this->assertNotEqual($directoryB, $directoryD, sprintf("'%s' should not equal '%s'", $directoryB, $directoryD));
$this->assertNotEqual($directoryC, $directoryD, sprintf("'%s' should not equal '%s'", $directoryC, $directoryD));
/* No directory names should exist. */
$this->assertFalse(file_exists('attachments/' . $directoryA), sprintf("'attachments/%s' should not exist", $directoryA));
$this->assertFalse(file_exists('attachments/' . $directoryB), sprintf("'attachments/%s' should not exist", $directoryB));
$this->assertFalse(file_exists('attachments/' . $directoryC), sprintf("'attachments/%s' should not exist", $directoryB));
$this->assertFalse(file_exists('attachments/' . $directoryD), sprintf("'attachments/%s' should not exist", $directoryB));
}
private function _createDirectory($attachmentID, $storedFilename)
{
/* Make sure attachments exists. */
if (!is_dir('./attachments')) {
/* No? Create it. */
@mkdir('./attachments', 0777);
@touch('./attachments/index.php');
}
/* Attachments are first grouped under a directory for each site ID. */
$siteDirectory = './attachments/site_' . $this->_siteID;
/* Make sure the site directory exists. */
if (!is_dir($siteDirectory)) {
/* No? Create it. */
@mkdir($siteDirectory, 0777);
}
/* Attachments are then grouped in groups of 1000 attachment IDs. */
$IDGroupDirectory = sprintf('%s/%sxxx', $siteDirectory, (int) ($attachmentID / 1000));
/* Make sure the attachment ID group directory exists. */
if (!is_dir($IDGroupDirectory)) {
/* No? Create it. */
@mkdir($IDGroupDirectory, 0777);
}
/* If we had to create directories above, make sure that the creation
* was successful.
*/
if (!is_dir($IDGroupDirectory)) {
$this->_isError = true;
$this->_error = sprintf('Cannot create directory %s, and it does not already exist.', $IDGroupDirectory);
return false;
}
/* Prevent webserver listing of new directories. */
if (!file_exists($siteDirectory . '/index.php')) {
@file_put_contents($siteDirectory . '/index.php', "\n");
}
if (!file_exists($IDGroupDirectory . '/index.php')) {
@file_put_contents($IDGroupDirectory . '/index.php', "\n");
}
/* Get a unique directroy name in which to store the attachment. */
$uniqueDirectory = sprintf('%s/%s/', $IDGroupDirectory, FileUtility::getUniqueDirectory($IDGroupDirectory, $storedFilename));
/* Attempt to create a directory for this attachment ID. */
if (!is_dir($uniqueDirectory)) {
@mkdir($uniqueDirectory, 0777);
}
/* Was creation successful? */
if (!is_dir($uniqueDirectory)) {
$this->_isError = true;
$this->_error = sprintf('Cannot create directory %s, and it does not already exist.', $uniqueDirectory);
return false;
}
/* We probably don't have permission to chmod, but try anyway. */
@chmod($uniqueDirectory, 0777);
return $uniqueDirectory;
}