function MTimeProtectedFastFileStorage::save
Same name in other branches
- 9 core/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php \Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::save()
- 8.9.x core/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php \Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::save()
- 10 core/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php \Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::save()
Overrides FileStorage::save
File
-
core/
lib/ Drupal/ Component/ PhpStorage/ MTimeProtectedFastFileStorage.php, line 65
Class
- MTimeProtectedFastFileStorage
- Stores PHP code in files with securely hashed names.
Namespace
Drupal\Component\PhpStorageCode
public function save($name, $data) {
$this->ensureDirectory($this->directory);
// Write the file out to a temporary location. Prepend with a '.' to keep it
// hidden from listings and web servers.
$temporary_path = $this->tempnam($this->directory, '.');
if (!$temporary_path || !@file_put_contents($temporary_path, $data)) {
return FALSE;
}
// The file will not be chmod() in the future so this is the final
// permission.
chmod($temporary_path, 0444);
// Determine the exact modification time of the file.
$mtime = $this->getUncachedMTime($temporary_path);
// Move the temporary file into the proper directory. Note that POSIX
// compliant systems as well as modern Windows perform the rename operation
// atomically, i.e. there is no point at which another process attempting to
// access the new path will find it missing.
$directory = $this->getContainingDirectoryFullPath($name);
$this->ensureDirectory($directory);
$full_path = $this->getFullPath($name, $directory, $mtime);
$result = rename($temporary_path, $full_path);
// Finally reset the modification time of the directory to match the one of
// the newly created file. In order to prevent the creation of a file if the
// directory does not exist, ensure that the path terminates with a
// directory separator.
//
// Recall that when subsequently loading the file, the hash is calculated
// based on the file name, the containing mtime, and a the secret string.
// Hence updating the mtime here is comparable to pointing a symbolic link
// at a new target, i.e., the newly created file.
if ($result) {
$result &= touch($directory . '/', $mtime);
}
return (bool) $result;
}
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