private static function _checkReadWrite($directory)
{
$directory .= '/';
if (!is_dir($directory)) {
echo sprintf('<tr class="fail"><td><strong>Directory %s does not exist or is not a directory.</strong></td></tr>', $directory);
return false;
}
$octalPermissions = FileUtility::getOctalPermissions($directory);
$proceed = true;
/* Check for read. */
if (is_readable($directory)) {
echo sprintf('<tr class="pass"><td>Directory %s is readable (permissions: %s).</td></tr>', $directory, $octalPermissions);
} else {
echo sprintf('<tr class="fail"><td><strong>Directory %s is not readable (permissions: %s).</strong></td></tr>', $directory, $octalPermissions);
$proceed = false;
}
/* Check for write. */
if (is_writeable($directory)) {
echo sprintf('<tr class="pass"><td>Directory %s is writeable (permissions: %s).</td></tr>', $directory, $octalPermissions);
} else {
echo sprintf('<tr class="fail"><td><strong>Directory %s is not writeable (permissions: %s).</strong></td></tr>', $directory, $octalPermissions);
$proceed = false;
}
/* Test ACTUAL writeability by creating a file, not relying on is_writable()
* as it sometimes returns a false positive.
*/
if (FileUtility::isDirectoryWritable($directory)) {
echo sprintf('<tr class="pass"><td>Creating a file within %s succeeded.</td></tr>', $directory);
} else {
echo sprintf('<tr class="fail"><td><strong>Creating a file within %s failed. Check your permissions.</strong></td></tr>', $directory);
$proceed = false;
}
/* Check for create directory ability. */
$testPath = $directory . 'testdir';
if (is_dir($testPath)) {
FileUtility::recursivelyRemoveDirectory($testPath);
}
if (@mkdir($testPath, 0777)) {
echo sprintf('<tr class="pass"><td>Directories can be created inside %s/.</td></tr>', $directory);
} else {
echo sprintf('<tr class="fail"><td><strong>Directories cannot be created inside %s/.</strong></td></tr>', $directory);
$proceed = false;
}
if (is_dir($testPath)) {
FileUtility::recursivelyRemoveDirectory($testPath);
}
return $proceed;
}
/**
* Removes all attachments associated with a Data Item ID from the
* filesystem.
*
* @param flag Data Item type.
* @param integer Data Item ID.
* @param string Extra SQL criteria to apply to the SELECT / DELETE query.
* @return void
*/
public function deleteAll($dataItemType, $dataItemID, $criteria = '')
{
/* Get all attachment IDs for the Data Item. */
$sql = sprintf("SELECT\n attachment_id AS attachmentID,\n directory_name AS directoryName\n FROM\n attachment\n WHERE\n data_item_id = %s\n AND\n data_item_type = %s\n AND\n site_id = %s\n %s", $this->_db->makeQueryInteger($dataItemID), $this->_db->makeQueryInteger($dataItemType), $this->_siteID, $criteria);
$rs = $this->_db->getAllAssoc($sql);
/* Return if we have no attachments. */
if (empty($rs)) {
return;
}
foreach ($rs as $rowNumber => $row) {
/* Sanity check. Don't delete the whole attachments directory. */
$directoryName = trim($row['directoryName']);
if (empty($directoryName) || ($directoryName = '.')) {
continue;
}
$directory = 'attachments/' . $directoryName;
if (is_dir($directory)) {
FileUtility::recursivelyRemoveDirectory($directory);
}
}
/* Delete the attachments metadata. */
$sql = sprintf("DELETE FROM\n attachment\n WHERE\n data_item_id = %s\n AND\n data_item_type = %s\n AND\n site_id = %s\n %s", $this->_db->makeQueryInteger($dataItemID), $this->_db->makeQueryInteger($dataItemType), $this->_siteID, $criteria);
$this->_db->query($sql);
}