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<?php |
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namespace Wandu\Http\Parameters; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Wandu\Http\Contracts\ServerParamsInterface; |
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class ServerParams extends Parameter implements ServerParamsInterface |
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{ |
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/** |
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* @reference https://www.sitepoint.com/web-foundations/mime-types-complete-list/ |
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* @reference https://msdn.microsoft.com/ko-kr/library/microsoft.reportingservices.reportrendering.image.mimetype%28v=sql.120%29.aspx (for IE) |
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* @reference http://sunwebexpert.com/books/detail/php/ie-non-standard-image-mime-type.html (for IE) |
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* @var array |
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*/ |
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protected static $mimeTypes = [ |
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'html' => ['text/html', 'application/xhtml+xml'], |
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'txt' => ['text/plain'], |
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'js' => ['application/x-javascript', 'application/javascript', 'application/ecmascript', 'text/javascript', 'text/ecmascript'], |
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'css' => ['application/x-pointplus', 'text/css'], |
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'json' => ['application/json', 'application/x-json'], |
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'xml' => ['text/xml', 'application/xml', 'application/x-xml'], |
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'atom' => ['application/atom+xml'], |
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'rss' => ['application/rss+xml'], |
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'form' => ['application/x-www-form-urlencoded'], |
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]; |
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/** @var \Psr\Http\Message\ServerRequestInterface */ |
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protected $request; |
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/** |
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* @param \Psr\Http\Message\ServerRequestInterface $request |
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*/ |
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public function __construct(ServerRequestInterface $request) |
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{ |
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$this->request = $request; |
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parent::__construct($request->getServerParams()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isAjax() |
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{ |
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return $this->request->hasHeader('x-requested-with') && |
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$this->request->getHeaderLine('x-requested-with') === 'XMLHttpRequest'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIpAddress($customHeaderName = null) |
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{ |
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return $this->request->getHeaderLine('x-forwarded-for') ?: $this->get('REMOTE_ADDR'); |
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} |
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/** |
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* @reference https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html |
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* @reference https://developer.mozilla.org/en-US/docs/Web/HTTP/Content_negotiation/List_of_default_Accept_values |
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* {@inheritdoc} |
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*/ |
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public function accepts($contentTypes) |
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{ |
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if (is_string($contentTypes) && array_key_exists($contentTypes, static::$mimeTypes)) { |
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$contentTypes = static::$mimeTypes[$contentTypes]; |
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} elseif (is_string($contentTypes)) { |
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$contentTypes = [$contentTypes]; |
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} |
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$accepts = $this->request->getHeader('accept'); |
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if (count($accepts) === 0) return true; |
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foreach ($accepts as $accept) { |
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list($acceptType, $acceptSubType) = $this->splitType($accept); |
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if ($acceptType === '*') return true; |
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foreach ($contentTypes as $type) { |
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if ($type === $accept) return true; |
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list($checkType, $checkSubType) = $this->splitType($type); |
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if ($acceptSubType === '*' && $checkType === $acceptType) return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLanguages() |
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{ |
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return array_map(function ($language) { |
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return strtok($language, ';'); |
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}, $this->request->getHeader('accept-language')); |
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} |
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/** |
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* @param string $type |
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* @return array |
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*/ |
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private function splitType($type) |
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{ |
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$acceptTypes = explode('/', strtok($type, ';')); |
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if (!isset($acceptTypes[1])) $acceptTypes[1] = '*'; |
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return $acceptTypes; |
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} |
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} |
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Wandu /
Framework
This checks looks for assignemnts to variables using the
list(...)function, where not all assigned variables are subsequently used.Consider the following code example.
Only the variables
$aand$care used. There was no need to assign$b.Instead, the list call could have been.