solving problems with lack of memory, the new ZipReader and ZipWriter class, adds .phpstorm.meta.php

#13
#16
#27
#31
#41

tests/ZipSlipVulnerabilityTest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace PhpZip\Tests;
+
+use PhpZip\Exception\ZipException;
+use PhpZip\ZipFile;
+
+/**
+ * Class ZipSlipVulnerabilityTest.
+ *
+ * @see https://github.com/Ne-Lexa/php-zip/issues/39 Issue#31
+ * @see https://snyk.io/research/zip-slip-vulnerability Zip Slip Vulnerability
+ *
+ * @internal
+ *
+ * @small
+ */
+class ZipSlipVulnerabilityTest extends ZipTestCase
+{
+    /**
+     * @throws ZipException
+     */
+    public function testCreateSlipVulnerabilityFile()
+    {
+        $localFile = '../dir/./../../file.txt';
+        $zipFile = new ZipFile();
+        $zipFile->addFromString($localFile, 'contents');
+        static::assertContains($localFile, $zipFile->getListFiles());
+        $zipFile->close();
+    }
+
+    /**
+     * @throws ZipException
+     */
+    public function testUnpack()
+    {
+        static::assertTrue(mkdir($this->outputDirname, 0755, true));
+
+        $zipFile = new ZipFile();
+        $zipFile->addFromString('../dir/./../../file.txt', 'contents');
+        $zipFile->extractTo($this->outputDirname);
+        $zipFile->close();
+
+        $expectedExtractedFile = $this->outputDirname . '/dir/file.txt';
+        static::assertTrue(is_file($expectedExtractedFile));
+    }
+}