* [ADD] Work in progress

* [ADD] Using URL routing
* [ADD] Using dependency injection
* [MOD] Big app structure changes

lib/SP/Import/XmlFileImport.php

@@ -0,0 +1,148 @@
+<?php
+/**
+ * sysPass
+ *
+ * @author    nuxsmin
+ * @link      http://syspass.org
+ * @copyright 2012-2017, Rubén Domínguez nuxsmin@$syspass.org
+ *
+ * This file is part of sysPass.
+ *
+ * sysPass is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * sysPass is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ *  along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace SP\Import;
+
+use SP\Core\Exceptions\SPException;
+
+/**
+ * Class XmlFileImport
+ *
+ * @package Import
+ */
+class XmlFileImport
+{
+    /**
+     * @var FileImport
+     */
+    protected $FileImport;
+    /**
+     * @var \DOMDocument
+     */
+    protected $xmlDOM;
+
+    /**
+     * XmlFileImport constructor.
+     *
+     * @param FileImport $FileImport
+     */
+    public function __construct(FileImport $FileImport)
+    {
+        $this->FileImport = $FileImport;
+    }
+
+    /**
+     * Detectar la aplicación que generó el XML.
+     *
+     * @throws SPException
+     */
+    public function detectXMLFormat()
+    {
+        $this->readXMLFile();
+
+        $tags = $this->xmlDOM->getElementsByTagName('Generator');
+
+        /** @var \DOMElement[] $tags */
+        foreach ($tags as $tag) {
+            if ($tag->nodeValue === 'KeePass' || $tag->nodeValue === 'sysPass') {
+                return strtolower($tag->nodeValue);
+            }
+        }
+
+        if ($xmlApp = $this->parseFileHeader()) {
+            switch ($xmlApp) {
+                case 'keepassx_database':
+                    return 'keepassx';
+                case 'revelationdata':
+                    return 'revelation';
+                default:
+                    break;
+            }
+        } else {
+            throw new SPException(
+                SPException::SP_CRITICAL,
+                __('Archivo XML no soportado', false),
+                __('No es posible detectar la aplicación que exportó los datos', false)
+            );
+        }
+
+        return '';
+    }
+
+    /**
+     * Leer el archivo a un objeto XML.
+     *
+     * @throws SPException
+     */
+    protected function readXMLFile()
+    {
+        // Cargar el XML con DOM
+        $this->xmlDOM = new \DOMDocument();
+
+        if ($this->xmlDOM->load($this->FileImport->getTmpFile()) === false) {
+            throw new SPException(
+                SPException::SP_CRITICAL,
+                __('Error interno', false),
+                __('No es posible procesar el archivo XML', false)
+            );
+        }
+    }
+
+    /**
+     * Leer la cabecera del archivo XML y obtener patrones de aplicaciones conocidas.
+     *
+     * @return bool
+     */
+    protected function parseFileHeader()
+    {
+        $handle = @fopen($this->FileImport->getTmpFile(), 'r');
+        $headersRegex = '/(KEEPASSX_DATABASE|revelationdata)/i';
+
+        if ($handle) {
+            // No. de líneas a leer como máximo
+            $maxLines = 5;
+            $count = 0;
+
+            while (($buffer = fgets($handle, 4096)) !== false && $count <= $maxLines) {
+                if (preg_match($headersRegex, $buffer, $app)) {
+                    fclose($handle);
+                    return strtolower($app[0]);
+                }
+                $count++;
+            }
+
+            fclose($handle);
+        }
+
+        return false;
+    }
+
+    /**
+     * @return \DOMDocument
+     */
+    public function getXmlDOM()
+    {
+        return $this->xmlDOM;
+    }
+}