FileStorage: always creates directories

Author: dg

src/Bridges/CacheDI/CacheExtension.php

@@ -29,6 +29,8 @@ public function __construct($tempDir)
 
 	public function loadConfiguration()
 	{
+		@mkdir($this->tempDir . '/cache'); // @ - directory may exists
+
 		$builder = $this->getContainerBuilder();
 
 		$builder->addDefinition($this->prefix('journal'))
@@ -45,32 +47,4 @@ public function loadConfiguration()
 		}
 	}
 
-
-	public function afterCompile(Nette\PhpGenerator\ClassType $class)
-	{
-		if (!$this->checkTempDir($this->tempDir . '/cache')) {
-			$class->getMethod('initialize')->addBody('Nette\Caching\Storages\FileStorage::$useDirectories = FALSE;');
-		}
-	}
-
-
-	private function checkTempDir($dir)
-	{
-		@mkdir($dir); // @ - directory may exists
-
-		// checks whether directory is writable
-		$uniq = uniqid('_', TRUE);
-		if (!@mkdir("$dir/$uniq")) { // @ - is escalated to exception
-			throw new Nette\InvalidStateException("Unable to write to directory '$dir'. Make this directory writable.");
-		}
-
-		// checks whether subdirectory is writable
-		$isWritable = @file_put_contents("$dir/$uniq/_", '') !== FALSE; // @ - error is expected
-		if ($isWritable) {
-			unlink("$dir/$uniq/_");
-		}
-		rmdir("$dir/$uniq");
-		return $isWritable;
-	}
-
 }

src/Caching/Storages/FileStorage.php

@@ -49,15 +49,12 @@ class FileStorage implements Nette\Caching\IStorage
 	/** @var float  probability that the clean() routine is started */
 	public static $gcProbability = 0.001;
 
-	/** @var bool */
+	/** @deprecated */
 	public static $useDirectories = TRUE;
 
 	/** @var string */
 	private $dir;
 
-	/** @var bool */
-	private $useDirs;
-
 	/** @var IJournal */
 	private $journal;
 
@@ -72,7 +69,6 @@ public function __construct($dir, IJournal $journal = NULL)
 		}
 
 		$this->dir = $dir;
-		$this->useDirs = (bool) static::$useDirectories;
 		$this->journal = $journal;
 
 		if (mt_rand() / mt_getrandmax() < static::$gcProbability) {
@@ -142,7 +138,7 @@ private function verify(array $meta): bool
 	public function lock(string $key)
 	{
 		$cacheFile = $this->getCacheFile($key);
-		if ($this->useDirs && !is_dir($dir = dirname($cacheFile))) {
+		if (!is_dir($dir = dirname($cacheFile))) {
 			@mkdir($dir); // @ - directory may already exist
 		}
 		$handle = fopen($cacheFile, 'c+b');
@@ -356,7 +352,7 @@ protected function readData(array $meta)
 	protected function getCacheFile(string $key): string
 	{
 		$file = urlencode($key);
-		if ($this->useDirs && $a = strrpos($file, '%00')) { // %00 = urlencode(Nette\Caching\Cache::NAMESPACE_SEPARATOR)
+		if ($a = strrpos($file, '%00')) { // %00 = urlencode(Nette\Caching\Cache::NAMESPACE_SEPARATOR)
 			$file = substr_replace($file, '/_', $a, 3);
 		}
 		return $this->dir . '/_' . $file;