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height:90%'>&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * 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\Header\Headers;

/**
 * @author Sebastiaan Stok &lt;s.stok@rollerscapes.net&gt;
 */
class SMimePart extends AbstractPart
{
    /** @internal, to be removed in 8.0 */
    protected Headers $_headers;

    public function __construct(
        private iterable|string $body,
        private string $type,
        private string $subtype,
        private array $parameters,
    ) {
        parent::__construct();
    }

    public function getMediaType(): string
    {
        return $this-&gt;type;
    }

    public function getMediaSubtype(): string
    {
        return $this-&gt;subtype;
    }

    public function bodyToString(): string
    {
        if (\is_string($this-&gt;body)) {
            return $this-&gt;body;
        }

        $body = &#039;&#039;;
        foreach ($this-&gt;body as $chunk) {
            $body .= $chunk;
        }
        $this-&gt;body = $body;

        return $body;
    }

    public function bodyToIterable(): iterable
    {
        if (\is_string($this-&gt;body)) {
            yield $this-&gt;body;

            return;
        }

        $body = &#039;&#039;;
        foreach ($this-&gt;body as $chunk) {
            $body .= $chunk;
            yield $chunk;
        }
        $this-&gt;body = $body;
    }

    public function getPreparedHeaders(): Headers
    {
        $headers = clone parent::getHeaders();

        $headers-&gt;setHeaderBody(&#039;Parameterized&#039;, &#039;Content-Type&#039;, $this-&gt;getMediaType().&#039;/&#039;.$this-&gt;getMediaSubtype());

        foreach ($this-&gt;parameters as $name =&gt; $value) {
            $headers-&gt;setHeaderParameter(&#039;Content-Type&#039;, $name, $value);
        }

        return $headers;
    }

    public function __serialize(): array
    {
        if (self::class === (new \ReflectionMethod($this, &#039;__sleep&#039;))-&gt;class || self::class !== (new \ReflectionMethod($this, &#039;__serialize&#039;))-&gt;class) {
            // convert iterables to strings for serialization
            if (is_iterable($this-&gt;body)) {
                $this-&gt;body = $this-&gt;bodyToString();
            }

            return [
                &#039;_headers&#039; =&gt; $this-&gt;getHeaders(),
                &#039;body&#039; =&gt; $this-&gt;body,
                &#039;type&#039; =&gt; $this-&gt;type,
                &#039;subtype&#039; =&gt; $this-&gt;subtype,
                &#039;parameters&#039; =&gt; $this-&gt;parameters,
            ];
        }

        trigger_deprecation(&#039;symfony/mime&#039;, &#039;7.4&#039;, &#039;Implementing &quot;%s::__sleep()&quot; is deprecated, use &quot;__serialize()&quot; instead.&#039;, get_debug_type($this));

        $data = [];
        foreach ($this-&gt;__sleep() as $key) {
            try {
                if (($r = new \ReflectionProperty($this, $key))-&gt;isInitialized($this)) {
                    $data[$key] = $r-&gt;getValue($this);
                }
            } catch (\ReflectionException) {
                $data[$key] = $this-&gt;$key;
            }
        }

        return $data;
    }

    public function __unserialize(array $data): void
    {
        if ($wakeup = self::class !== (new \ReflectionMethod($this, &#039;__wakeup&#039;))-&gt;class &amp;&amp; self::class === (new \ReflectionMethod($this, &#039;__unserialize&#039;))-&gt;class) {
            trigger_deprecation(&#039;symfony/mime&#039;, &#039;7.4&#039;, &#039;Implementing &quot;%s::__wakeup()&quot; is deprecated, use &quot;__unserialize()&quot; instead.&#039;, get_debug_type($this));
        }

        if ([&#039;_headers&#039;, &#039;body&#039;, &#039;type&#039;, &#039;subtype&#039;, &#039;parameters&#039;] === array_keys($data)) {
            parent::__unserialize([&#039;headers&#039; =&gt; $data[&#039;_headers&#039;]]);
            $this-&gt;body = $data[&#039;body&#039;];
            $this-&gt;type = $data[&#039;type&#039;];
            $this-&gt;subtype = $data[&#039;subtype&#039;];
            $this-&gt;parameters = $data[&#039;parameters&#039;];

            if ($wakeup) {
                $this-&gt;__wakeup();
            }

            return;
        }

        $p = &quot;\0&quot;.self::class.&quot;\0&quot;;
        if ([&quot;\0*\0_headers&quot;, $p.&#039;body&#039;, $p.&#039;type&#039;, $p.&#039;subtype&#039;, $p.&#039;parameters&#039;] === array_keys($data)) {
            $r = new \ReflectionProperty(parent::class, &#039;headers&#039;);
            $r-&gt;setValue($this, $data[&quot;\0*\0_headers&quot;]);

            $this-&gt;body = $data[$p.&#039;body&#039;];
            $this-&gt;type = $data[$p.&#039;type&#039;];
            $this-&gt;subtype = $data[$p.&#039;subtype&#039;];
            $this-&gt;parameters = $data[$p.&#039;parameters&#039;];

            if ($wakeup) {
                $this-&gt;_headers = $data[&quot;\0*\0_headers&quot;];
                $this-&gt;__wakeup();
            }

            return;
        }

        trigger_deprecation(&#039;symfony/mime&#039;, &#039;7.4&#039;, &#039;Passing extra keys to &quot;%s::__unserialize()&quot; is deprecated, populate properties in &quot;%s::__unserialize()&quot; instead.&#039;, self::class, get_debug_type($this));

        \Closure::bind(function ($data) use ($wakeup) {
            foreach ($data as $key =&gt; $value) {
                $this-&gt;{(&quot;\0&quot; === $key[0] ?? &#039;&#039;) ? substr($key, 1 + strrpos($key, &quot;\0&quot;)) : $key} = $value;
            }

            if ($wakeup) {
                $this-&gt;__wakeup();
            }
        }, $this, static::class)($data);
    }

    /**
     * @deprecated since Symfony 7.4, will be replaced by `__serialize()` in 8.0
     */
    public function __sleep(): array
    {
        trigger_deprecation(&#039;symfony/mime&#039;, &#039;7.4&#039;, &#039;Calling &quot;%s::__sleep()&quot; is deprecated, use &quot;__serialize()&quot; instead.&#039;, get_debug_type($this));

        // convert iterables to strings for serialization
        if (is_iterable($this-&gt;body)) {
            $this-&gt;body = $this-&gt;bodyToString();
        }

        $this-&gt;_headers = $this-&gt;getHeaders();

        return [&#039;_headers&#039;, &#039;body&#039;, &#039;type&#039;, &#039;subtype&#039;, &#039;parameters&#039;];
    }

    /**
     * @deprecated since Symfony 7.4, will be replaced by `__unserialize()` in 8.0
     */
    public function __wakeup(): void
    {
        trigger_deprecation(&#039;symfony/mime&#039;, &#039;7.4&#039;, &#039;Calling &quot;%s::__wakeup()&quot; is deprecated, use &quot;__unserialize()&quot; instead.&#039;, get_debug_type($this));

        $r = new \ReflectionProperty(AbstractPart::class, &#039;headers&#039;);
        $r-&gt;setValue($this, $this-&gt;_headers);
        unset($this-&gt;_headers);
    }
}
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