TYPO3 v15 dev-main snapshot ()

Classes/Http/StreamFactory.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\Http;
+
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\StreamInterface;
+use Symfony\Component\DependencyInjection\Attribute\AsAlias;
+
+/**
+ * @internal Note that this is not public API, use PSR-17 interfaces instead.
+ */
+#[AsAlias(StreamFactoryInterface::class, public: true)]
+readonly class StreamFactory implements StreamFactoryInterface
+{
+    /**
+     * Create a new stream from a string.
+     *
+     * @param string $content String content with which to populate the stream.
+     */
+    public function createStream(string $content = ''): StreamInterface
+    {
+        $stream = new Stream('php://temp', 'r+');
+        if ($content !== '') {
+            $stream->write($content);
+        }
+        return $stream;
+    }
+
+    /**
+     * Create a stream from an existing file.
+     *
+     * The `$filename` MAY be any string supported by `fopen()`.
+     *
+     * @param string $filename Filename or stream URI to use as basis of stream.
+     * @param string $mode Mode with which to open the underlying filename/stream.
+     * @throws \RuntimeException If the file cannot be opened.
+     * @throws \InvalidArgumentException If the mode is invalid.
+     */
+    public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
+    {
+        $resource = @fopen($filename, $mode);
+        if ($resource === false) {
+            if ($mode === '' || in_array($mode[0], ['r', 'w', 'a', 'x', 'c'], true) === false) {
+                throw new \InvalidArgumentException('The mode ' . $mode . ' is invalid.', 1566823434);
+            }
+
+            throw new \RuntimeException('The file ' . $filename . ' cannot be opened.', 1566823435);
+        }
+
+        return new Stream($resource);
+    }
+
+    /**
+     * Create a new stream from an existing resource.
+     *
+     * The stream MUST be readable and may be writable.
+     *
+     * @param resource $resource PHP resource to use as basis of stream.
+     * @throws \InvalidArgumentException
+     */
+    public function createStreamFromResource($resource): StreamInterface
+    {
+        if (!is_resource($resource) || get_resource_type($resource) !== 'stream') {
+            throw new \InvalidArgumentException('Invalid stream provided; must be a stream resource', 1566853697);
+        }
+        return new Stream($resource);
+    }
+}