add piwik installation

www/analytics/core/Unzip/Tar.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Unzip;
+
+use Archive_Tar;
+
+/**
+ * @see libs/Archive_Tar
+ */
+require_once PIWIK_INCLUDE_PATH . '/libs/Archive_Tar/Tar.php';
+
+/**
+ * Unzip implementation for Archive_Tar PEAR lib.
+ *
+ */
+class Tar implements UncompressInterface
+{
+    /**
+     * Archive_Tar instance.
+     *
+     * @var Archive_Tar
+     */
+    private $tarArchive = null;
+
+    /**
+     * Constructor.
+     *
+     * @param string $filename Path to tar file.
+     * @param string|null $compression Either 'gz', 'bz2' or null for no compression.
+     */
+    public function __construct($filename, $compression = null)
+    {
+        $this->tarArchive = new Archive_Tar($filename, $compression);
+    }
+
+    /**
+     * Extracts the contents of the tar file to $pathExtracted.
+     *
+     * @param string $pathExtracted Directory to extract into.
+     * @return bool true if successful, false if otherwise.
+     */
+    public function extract($pathExtracted)
+    {
+        return $this->tarArchive->extract($pathExtracted);
+    }
+
+    /**
+     * Extracts one file held in a tar archive and returns the deflated file
+     * as a string.
+     *
+     * @param string $inArchivePath Path to file in the tar archive.
+     * @return bool true if successful, false if otherwise.
+     */
+    public function extractInString($inArchivePath)
+    {
+        return $this->tarArchive->extractInString($inArchivePath);
+    }
+
+    /**
+     * Lists the files held in the tar archive.
+     *
+     * @return array List of paths describing everything held in the tar archive.
+     */
+    public function listContent()
+    {
+        return $this->tarArchive->listContent();
+    }
+
+    /**
+     * Get error status string for the latest error.
+     *
+     * @return string
+     */
+    public function errorInfo()
+    {
+        return $this->tarArchive->error_object->getMessage();
+    }
+}