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;
}
