1 files changed, 190 insertions, 0 deletions
diff --git a/vendor/symfony/mime/Part/TextPart.php b/vendor/symfony/mime/Part/TextPart.php
new file mode 100644
index 0000000000..6a04185315
--- /dev/null
+++ b/vendor/symfony/mime/Part/TextPart.php
@@ -0,0 +1,190 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Part;
+
+use Symfony\Component\Mime\Encoder\Base64ContentEncoder;
+use Symfony\Component\Mime\Encoder\ContentEncoderInterface;
+use Symfony\Component\Mime\Encoder\EightBitContentEncoder;
+use Symfony\Component\Mime\Encoder\QpContentEncoder;
+use Symfony\Component\Mime\Exception\InvalidArgumentException;
+use Symfony\Component\Mime\Header\Headers;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @experimental in 4.3
+ */
+class TextPart extends AbstractPart
+{
+    private static $encoders = [];
+
+    private $body;
+    private $charset;
+    private $subtype;
+    private $disposition;
+    private $name;
+    private $encoding;
+
+    /**
+     * @param resource|string $body
+     */
+    public function __construct($body, ?string $charset = 'utf-8', $subtype = 'plain', string $encoding = null)
+    {
+        parent::__construct();
+
+        if (!\is_string($body) && !\is_resource($body)) {
+            throw new \TypeError(sprintf('The body of "%s" must be a string or a resource (got "%s").', self::class, \is_object($body) ? \get_class($body) : \gettype($body)));
+        }
+
+        $this->body = $body;
+        $this->charset = $charset;
+        $this->subtype = $subtype;
+
+        if (null === $encoding) {
+            $this->encoding = $this->chooseEncoding();
+        } else {
+            if ('quoted-printable' !== $encoding && 'base64' !== $encoding && '8bit' !== $encoding) {
+                throw new InvalidArgumentException(sprintf('The encoding must be one of "quoted-printable", "base64", or "8bit" ("%s" given).', $encoding));
+            }
+            $this->encoding = $encoding;
+        }
+    }
+
+    public function getMediaType(): string
+    {
+        return 'text';
+    }
+
+    public function getMediaSubtype(): string
+    {
+        return $this->subtype;
+    }
+
+    /**
+     * @param string $disposition one of attachment, inline, or form-data
+     *
+     * @return $this
+     */
+    public function setDisposition(string $disposition)
+    {
+        $this->disposition = $disposition;
+
+        return $this;
+    }
+
+    /**
+     * Sets the name of the file (used by FormDataPart).
+     *
+     * @return $this
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    public function getBody(): string
+    {
+        if (!\is_resource($this->body)) {
+            return $this->body;
+        }
+
+        if (stream_get_meta_data($this->body)['seekable'] ?? false) {
+            rewind($this->body);
+        }
+
+        return stream_get_contents($this->body) ?: '';
+    }
+
+    public function bodyToString(): string
+    {
+        return $this->getEncoder()->encodeString($this->getBody(), $this->charset);
+    }
+
+    public function bodyToIterable(): iterable
+    {
+        if (\is_resource($this->body)) {
+            if (stream_get_meta_data($this->body)['seekable'] ?? false) {
+                rewind($this->body);
+            }
+            yield from $this->getEncoder()->encodeByteStream($this->body);
+        } else {
+            yield $this->getEncoder()->encodeString($this->body);
+        }
+    }
+
+    public function getPreparedHeaders(): Headers
+    {
+        $headers = parent::getPreparedHeaders();
+
+        $headers->setHeaderBody('Parameterized', 'Content-Type', $this->getMediaType().'/'.$this->getMediaSubtype());
+        if ($this->charset) {
+            $headers->setHeaderParameter('Content-Type', 'charset', $this->charset);
+        }
+        if ($this->name) {
+            $headers->setHeaderParameter('Content-Type', 'name', $this->name);
+        }
+        $headers->setHeaderBody('Text', 'Content-Transfer-Encoding', $this->encoding);
+
+        if (!$headers->has('Content-Disposition') && null !== $this->disposition) {
+            $headers->setHeaderBody('Parameterized', 'Content-Disposition', $this->disposition);
+            if ($this->name) {
+                $headers->setHeaderParameter('Content-Disposition', 'name', $this->name);
+            }
+        }
+
+        return $headers;
+    }
+
+    private function getEncoder(): ContentEncoderInterface
+    {
+        if ('8bit' === $this->encoding) {
+            return self::$encoders[$this->encoding] ?? (self::$encoders[$this->encoding] = new EightBitContentEncoder());
+        }
+
+        if ('quoted-printable' === $this->encoding) {
+            return self::$encoders[$this->encoding] ?? (self::$encoders[$this->encoding] = new QpContentEncoder());
+        }
+
+        return self::$encoders[$this->encoding] ?? (self::$encoders[$this->encoding] = new Base64ContentEncoder());
+    }
+
+    private function chooseEncoding(): string
+    {
+        if (null === $this->charset) {
+            return 'base64';
+        }
+
+        return 'quoted-printable';
+    }
+
+    public function __sleep()
+    {
+        // convert resources to strings for serialization
+        if (\is_resource($this->body)) {
+            $this->body = $this->getBody();
+        }
+
+        $this->_headers = $this->getHeaders();
+
+        return ['_headers', 'body', 'charset', 'subtype', 'disposition', 'name', 'encoding'];
+    }
+
+    public function __wakeup()
+    {
+        $r = new \ReflectionProperty(AbstractPart::class, 'headers');
+        $r->setAccessible(true);
+        $r->setValue($this, $this->_headers);
+        unset($this->_headers);
+    }
+}