[#2] Implement new basic Envelope

src/Native/Envelope.php

@@ -0,0 +1,111 @@
+<?php
+
+/*
+ * This file is part of the DigiDoc package.
+ *
+ * (c) Kristen Gilden <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace KG\DigiDoc\Native;
+
+use KG\DigiDoc\EnvelopeInterface;
+
+class Envelope implements EnvelopeInterface
+{
+    /**
+     * @var \ZipArchive
+     */
+    private $archive;
+
+    /**
+     * @var string
+     */
+    private $path;
+
+    /**
+     * @param string $path
+     */
+    public function __construct($path)
+    {
+        $this->path = $path;
+
+        $this->archive = new \ZipArchive();
+        if (true !== ($error = $this->archive->open($this->path))) {
+            // @todo better exception?
+            throw new \RuntimeException(sprintf('Failed to open archive "%s", ZipArchive code %d', $this->path, $error));
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getFiles()
+    {
+        $nonMetaNames = array();
+
+        foreach ($this->getAllFileNames() as $fileName) {
+            // Skip metadata files.
+            if (0 === strpos($fileName, 'META-INF/') || 'mimetype' === $fileName) {
+                continue;
+            }
+
+            $nonMetaNames[] = $fileName;
+        }
+
+        return new \ArrayIterator($this->convertNamesToFullPaths($nonMetaNames));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSignatures()
+    {
+        $signatureNames = array();
+
+        foreach ($this->getAllFileNames() as $fileName) {
+            if (preg_match('/^META-INF\/signatures\d+\.xml$/', $fileName)) {
+                $signatureNames[] = $fileName;
+            }
+        }
+
+        return new \ArrayIterator($this->convertNamesToFullPaths($signatureNames));
+    }
+
+    public function __destruct()
+    {
+        $this->archive->close();
+    }
+
+    /**
+     * @param array $names
+     *
+     * @return array
+     */
+    private function convertNamesToFullPaths($names)
+    {
+        $paths = array();
+
+        foreach ($names as $name) {
+            $paths[] = sprintf('zip://%s#%s', $this->path, $name);
+        }
+
+        return $paths;
+    }
+
+    /**
+     * @return array
+     */
+    private function getAllFileNames()
+    {
+        $fileNames = array();
+
+        for ($i = 0; $i < $this->archive->numFiles; $i++) {
+            $fileNames[] = $this->archive->getNameIndex($i);
+        }
+
+        return $fileNames;
+    }
+}

tests/Native/EnvelopeTest.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of the DigiDoc package.
+ *
+ * (c) Kristen Gilden <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace KG\DigiDoc\Tests\Envelope;
+
+use KG\DigiDoc\Native\Envelope;
+
+class EnvelopeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testGetFilesFailsIfArchiveFailsToOpen()
+    {
+        $envelope = new Envelope('not-exists.bdoc');
+    }
+
+    public function testGetFilesReturnsIterator()
+    {
+        $envelope = new Envelope(__DIR__ . '/../fixtures/envelope.bdoc');
+        $this->assertInstanceOf('\Iterator', $envelope->getFiles());
+    }
+
+    public function testGetFilesNotContainsMetaFiles()
+    {
+        $path = __DIR__ . '/../fixtures/envelope.bdoc';
+
+        $envelope = new Envelope($path);
+        $expected = array(
+            'zip://' . $path . '#' . 'hello.txt',
+            'zip://' . $path . '#' . 'kitten.jpg',
+        );
+
+        $this->assertEquals($expected, iterator_to_array($envelope->getFiles()));
+    }
+
+    public function testGetSignaturesReturnsIterator()
+    {
+        $envelope = new Envelope(__DIR__ . '/../fixtures/envelope.bdoc');
+        $this->assertInstanceOf('\Iterator', $envelope->getSignatures());
+    }
+
+    public function testGetSignaturesContainsOnlySignatureFiles()
+    {
+        $path = __DIR__ . '/../fixtures/envelope.bdoc';
+
+        $envelope = new Envelope($path);
+        $expected = array(
+            'zip://' . $path . '#' . 'META-INF/signatures0.xml',
+            'zip://' . $path . '#' . 'META-INF/signatures1.xml',
+        );
+
+        $this->assertEquals($expected, iterator_to_array($envelope->getSignatures()));
+    }
+}