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<?php |
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/** |
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* This file is part of slick/http |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\Http\Message\Server; |
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use Psr\Http\Message\StreamInterface; |
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use Slick\Http\Message\Exception\InvalidArgumentException; |
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use Slick\Http\Message\Server\BodyParser\JsonParser; |
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use Slick\Http\Message\Server\BodyParser\NullParser; |
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use Slick\Http\Message\Server\BodyParser\UrlEncodedParser; |
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use Slick\Http\Message\Server\BodyParser\XmlParser; |
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/** |
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* BodyParser |
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* |
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* @package Slick\Http\Message\Server |
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*/ |
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class BodyParser |
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{ |
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/** |
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* @var string |
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*/ |
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private $contentType; |
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/** |
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* @var array |
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*/ |
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private static $parsers = [ |
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JsonParser::class => ['+json', 'application/json'], |
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XmlParser::class => ['+xml', 'text/xml'], |
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UrlEncodedParser::class => ['urlencoded'] |
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]; |
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/** |
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* Creates a Body Parser for provided header |
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* @param $contentType |
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*/ |
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public function __construct($contentType) |
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{ |
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$this->contentType = $contentType; |
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} |
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/** |
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* Parses provided message body |
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* |
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* @param StreamInterface $body |
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* @return mixed |
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*/ |
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public function parse(StreamInterface $body) |
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{ |
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return $this->createParserWith($body)->parse(); |
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} |
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/** |
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* Creates the parser based on the parsers map with provided stream |
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* |
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* @param StreamInterface $body |
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* |
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* @return BodyParserInterface |
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*/ |
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private function createParserWith(StreamInterface $body) |
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{ |
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$class = NullParser::class; |
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foreach (self::$parsers as $parser => $contentTypes) { |
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foreach ($contentTypes as $contentType) { |
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if (stripos($this->contentType, $contentType) !== false) { |
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$class = $parser; |
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} |
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} |
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} |
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return new $class($body); |
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} |
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/** |
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* Adds a body parser to parsers map |
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* |
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* @param string $className |
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* @param array $contentTypes |
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* |
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* @throws InvalidArgumentException if provided class does not implement BodyParserInterface |
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*/ |
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public static function addParser($className, array $contentTypes) |
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{ |
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if (! is_a($className, BodyParserInterface::class)) { |
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throw new InvalidArgumentException( |
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"Parser objects MUST implement the BodyParserInterface interface." |
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); |
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} |
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$existing = isset(self::$parsers[$className]) |
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? self::$parsers[$className] |
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: []; |
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array_unshift( |
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self::$parsers[$className], |
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array_merge($existing, $contentTypes) |
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); |
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} |
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} |
slickframework /
http
