mirror of
https://github.com/OpenXE-org/OpenXE.git
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558 lines
17 KiB
PHP
558 lines
17 KiB
PHP
<?php
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namespace Xentral\Components\Http;
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use DateTimeInterface;
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use Xentral\Components\Http\Cookie\Cookie;
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use Xentral\Components\Http\Cookie\CookieCollection;
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use Xentral\Components\Http\Exception\HttpHeaderValueException;
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use Xentral\Components\Http\Exception\InvalidArgumentException;
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use Xentral\Components\Util\StringUtil;
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class Response
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{
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const HTTP_CONTINUE = 100;
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const HTTP_SWITCHING_PROTOCOLS = 101;
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const HTTP_OK = 200;
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const HTTP_CREATED = 201;
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const HTTP_ACCEPT = 202;
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const HTTP_NON_AUTHORITATIVE_INFORMATION = 203;
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const HTTP_NO_CONTENT = 204;
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const HTTP_RESET_CONTENT = 205;
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const HTTP_PARTIAL_CONTENT = 206;
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const HTTP_MULTIPLE_CHOICES = 300;
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const HTTP_MOVED_PERMANENTLY = 301;
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const HTTP_MOVED_TEMPORARILY = 302;
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const HTTP_SEE_OTHER = 303;
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const HTTP_NOT_MODIFIED = 304;
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const HTTP_USE_PROXY = 305;
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const HTTP_TEMPORARY_REDIRECT = 307;
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const HTTP_BAD_REQUEST = 400;
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const HTTP_UNAUTHORIZED = 401;
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const HTTP_PAYMENT_REQUIRED = 402;
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const HTTP_FORBIDDEN = 403;
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const HTTP_NOT_FOUND = 404;
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const HTTP_METHOD_NOT_ALLOWED = 405;
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const HTTP_NOT_ACCEPTABLE = 406;
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const HTTP_PROXY_AUTHENTICATION_REQUIRED = 407;
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const HTTP_REQUEST_TIMEOUT = 408;
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const HTTP_CONFILICT = 409;
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const HTTP_GONE = 410;
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const HTTP_LENGTH_REQUIRED = 411;
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const HTTP_PRECONDITION_FAILED = 412;
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const HTTP_PAYLOAD_TOO_LARGE = 413;
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const HTTP_URI_TOO_LONG = 414;
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const HTTP_UNSUPPORTET_MEDIA_TYPE = 415;
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const HTTP_RANGE_NOT_SATISFIABLE = 416;
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const HTTP_EXPECTATION_FAILED = 417;
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const HTTP_UNPROCESSABLE_ENTITY = 422;
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const HTTP_UPGRADE_REQUIRED = 426;
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const HTTP_INTERNAL_SERVER_ERROR = 500;
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const HTTP_NOT_IMPLEMENTED = 501;
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const HTTP_BAD_GATEWAY = 502;
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const HTTP_SERVICE_UNAVAILABLE = 503;
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const HTTP_GATEWAY_TIMEOUT = 504;
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const HTTP_VERSION_NOT_SUPPORTED = 505;
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const DISPOSITION_INLINE = 'inline';
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const DISPOSITION_ATTACHMENT = 'attachment';
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/** @var array $statusMessages */
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protected static $statusMessages = [
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self::HTTP_CONTINUE => 'Continue',
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self::HTTP_SWITCHING_PROTOCOLS => 'Switching Protocols',
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self::HTTP_NON_AUTHORITATIVE_INFORMATION => 'Non-Authoritative Information',
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self::HTTP_OK => 'OK',
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self::HTTP_CREATED => 'Created',
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self::HTTP_ACCEPT => 'Accepted',
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self::HTTP_NO_CONTENT => 'No Content',
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self::HTTP_RESET_CONTENT => 'Reset Content',
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self::HTTP_PARTIAL_CONTENT => 'Partial Content',
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self::HTTP_MULTIPLE_CHOICES => 'Multiple Choices',
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self::HTTP_MOVED_PERMANENTLY => 'Moved Permanently',
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self::HTTP_MOVED_TEMPORARILY => 'Found',
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self::HTTP_SEE_OTHER => 'See Other',
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self::HTTP_NOT_MODIFIED => 'Not Modified',
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self::HTTP_USE_PROXY => 'Use Proxy',
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self::HTTP_TEMPORARY_REDIRECT => 'Temporary Redirect',
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self::HTTP_BAD_REQUEST => 'Bad Request',
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self::HTTP_UNAUTHORIZED => 'Unauthorized',
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self::HTTP_PAYMENT_REQUIRED => 'Payment Required',
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self::HTTP_FORBIDDEN => 'Forbidden',
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self::HTTP_NOT_FOUND => 'Not Found',
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self::HTTP_METHOD_NOT_ALLOWED => 'Method Not Allowed',
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self::HTTP_NOT_ACCEPTABLE => 'Not Acceptable',
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self::HTTP_PROXY_AUTHENTICATION_REQUIRED => 'Proxy Authentication Required',
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self::HTTP_REQUEST_TIMEOUT => 'Request Timeout',
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self::HTTP_CONFILICT => 'Conflict',
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self::HTTP_GONE => 'Gone',
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self::HTTP_LENGTH_REQUIRED => 'Length Required',
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self::HTTP_PRECONDITION_FAILED => 'Precondition Failed',
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self::HTTP_PAYLOAD_TOO_LARGE => 'Payload Too Large',
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self::HTTP_URI_TOO_LONG => 'URI Too Long',
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self::HTTP_UNSUPPORTET_MEDIA_TYPE => 'Unsupported Media Type',
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self::HTTP_RANGE_NOT_SATISFIABLE => 'Range Not Satisfiable',
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self::HTTP_EXPECTATION_FAILED => 'Expectation Failed',
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self::HTTP_UPGRADE_REQUIRED => 'Upgrade Required',
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self::HTTP_INTERNAL_SERVER_ERROR => 'Internal Server Error',
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self::HTTP_NOT_IMPLEMENTED => 'Not Implemented',
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self::HTTP_BAD_GATEWAY => 'Bad Gateway',
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self::HTTP_SERVICE_UNAVAILABLE => 'Service Unavailable',
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self::HTTP_GATEWAY_TIMEOUT => 'Gateway Timeout',
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self::HTTP_VERSION_NOT_SUPPORTED => 'HTTP Version Not Supported',
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];
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/** @var array $oneValueHeaders headers which can hold ONE value ONLY */
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protected static $oneValueHeaders = ['content-type', 'content-length', 'content-disposition', 'date'];
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/** @var array $headers */
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protected $headers = [];
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/** @var array $headerNames */
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protected $headerNames = [];
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/** @var string $content Response content */
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protected $content;
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/** @var int $statusCode HTTP status code */
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protected $statusCode;
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/** @var string $statusText HTTP status text */
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protected $statusText;
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/** @var string $protocolVersion HTTP protocol version */
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protected $protocolVersion;
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/** @var CookieCollection $cookies */
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protected $cookies;
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/**
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* @param string $content
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* @param int $statusCode
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* @param array $headers
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* @param string $protocolVersion
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* @param null $statusText
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* @param CookieCollection|array $cookies
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*/
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public function __construct(
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$content = null,
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$statusCode = self::HTTP_OK,
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array $headers = [],
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$protocolVersion = '1.1',
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$statusText = null,
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$cookies = []
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) {
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$this->statusCode = (int)$statusCode;
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$this->headers = [];
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foreach ($headers as $name => $value) {
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$this->setHeader($name, $value);
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}
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if (!$this->hasHeader('content-type')) {
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$this->setHeader('Content-Type', 'text/html; charset=utf-8');
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}
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$this->setContent($content);
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$this->protocolVersion = $protocolVersion;
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$this->statusText = $statusText;
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$this->setCookies($cookies);
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}
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/**
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* Sends the response headers and content to the client.
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*
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* @param DateTimeInterface|null $sendTime
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*
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* @return void
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*/
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public function send(DateTimeInterface $sendTime = null)
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{
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header(sprintf('HTTP/%s %s %s', $this->getProtocolVersion(), $this->getStatusCode(), $this->getStatusText()));
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if (!$this->hasHeader('date')) {
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if ($sendTime === null) {
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$time = time();
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} else {
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$time = $sendTime->getTimestamp();
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}
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$this->setHeader('Date', gmdate('D, d M Y H:i:s \G\M\T', $time));
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}
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foreach ($this->headers as $name => $value) {
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$replace = strtolower($name) === 'content-type';
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$value = implode(', ', $value);
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header(sprintf('%s: %s', $this->headerNames[$name], $value), $replace, $this->getStatusCode());
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}
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foreach ($this->cookies as $key => $cookie) {
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header($cookie->toHttpHeader(), false);
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}
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if ($this->content !== null) {
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echo $this->content;
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}
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}
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/**
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* Returns the response body.
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*
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* @return string|null
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*/
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public function getContent()
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{
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return $this->content;
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}
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/**
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* Sets the response body.
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*
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* @param string|null $content
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*/
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public function setContent($content)
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{
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if ($content !== null) {
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$this->content = (string)$content;
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$this->setHeader('Content-Length', (string)strlen($this->content));
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} else {
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$this->content = null;
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unset($this->headers['content-type'], $this->headers['content-length']);
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}
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}
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/**
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* Returns the HTTP status code.
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*
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* @return int HTTP status code
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*/
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public function getStatusCode()
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{
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return $this->statusCode;
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}
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/**
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* Sets the HTTP status code.
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*
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* @param int $statusCode HTTP status code
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*/
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public function setStatusCode($statusCode)
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{
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if (!array_key_exists($statusCode, self::$statusMessages)) {
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throw new InvalidArgumentException(sprintf('Status Code %s is not supported.', $statusCode));
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}
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$this->statusCode = (int)$statusCode;
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}
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/**
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* Gets the HTTP status text (=reason).
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*
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* @return string HTTP status text
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*/
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public function getStatusText()
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{
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if ($this->statusText === null) {
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$this->statusText = self::$statusMessages[$this->statusCode];
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}
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return $this->statusText;
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}
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/**
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* Sets the HTTP status text (=reason).
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*
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* @param string $message
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*/
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public function setStatusText($message)
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{
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$this->statusText = $message;
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}
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/**
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* Returns the HTTP version
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*
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* @return string
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*/
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public function getProtocolVersion()
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{
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return $this->protocolVersion;
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}
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/**
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* Sets header (overwrites existing header).
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*
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* @param string $name
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* @param string|string[] $values
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*/
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public function setHeader($name, $values)
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{
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if (!is_string($values) && !is_array($values)) {
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throw new HttpHeaderValueException(
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'Invalid header, only string|string[] allowed',
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0,
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null,
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$values
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);
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}
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if ($values === '' || $values === []) {
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throw new HttpHeaderValueException('Empty header not allowed', 0, null, $values);
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}
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if (!is_array($values)) {
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$values = [$values];
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}
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foreach ($values as $value) {
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$value = $this->sanitizeHeaderValue($value);
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if (!is_string($value) || $value === '') {
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throw new HttpHeaderValueException('Invalid header', 0, null, $value);
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}
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}
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$normalized = $this->normalizeHeaderName($name);
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$this->headers[$normalized] = $values;
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$this->headerNames[$normalized] = $name;
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}
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/**
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* Sets header (appends existing header).
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*
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* @param string $name
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* @param string $value
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*/
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public function addHeader($name, $value)
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{
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if (in_array($this->normalizeHeaderName($name), self::$oneValueHeaders, true)) {
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throw new InvalidArgumentException(sprintf('Cannot append header "%s".', $name));
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}
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if (!is_string($value)) {
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throw new HttpHeaderValueException('Invalid header', 0, null, $value);
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}
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$value = $this->sanitizeHeaderValue($value);
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if ($value === '') {
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throw new HttpHeaderValueException('Empty header not allowed', 0, null, $value);
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}
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$normalized = $this->normalizeHeaderName($name);
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$header = $this->getHeader($normalized);
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if (count($header) === 0) {
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$this->headerNames[$normalized] = $name;
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}
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if (count(array_intersect($header, [$value])) === 0) {
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$header[] = $value;
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$this->headers[$normalized] = $header;
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}
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}
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/**
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* Gets header as array.
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*
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* @param string $name
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*
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* @return string[]|array empty if not set
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*/
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public function getHeader($name)
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{
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$normalized = $this->normalizeHeaderName($name);
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if ($this->hasHeader($normalized)) {
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return $this->headers[$normalized];
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}
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return [];
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}
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/**
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* Gets header as comma-seperated string.
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*
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* @example getHeaderLine(Headername) -> 'value1, value2'
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*
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* @param string $name
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*
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* @return string|null null if header not set
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*/
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public function getHeaderLine($name)
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{
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$header = $this->getHeader($name);
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if (count($header) === 0) {
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return null;
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}
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return implode(', ', $header);
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}
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/**
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* Returns true if the header exists.
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*
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* @param string $name
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*
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* @return bool
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*/
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public function hasHeader($name)
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{
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return array_key_exists($this->normalizeHeaderName($name), $this->headers);
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}
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/**
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* Returns all headers
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*
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* @return array all headers
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*/
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public function getHeaders()
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{
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$headers = [];
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foreach ($this->headers as $name => $value) {
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$headers[$this->headerNames[$name]] = $value;
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}
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return $headers;
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}
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/**
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* Returns all headers with normalized names
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*
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* @return array all headers
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*/
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public function getHeadersNormalized()
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{
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return $this->headers;
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}
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/**
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* Returns the value of the Content-Type header.
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*
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* @example getContentType() -> 'text/html; charset=utf-8'
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*
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* @return string
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*/
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public function getContentType()
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{
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return $this->getHeaderLine('content-type');
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}
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/**
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* Overwrites the Content-Type header.
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*
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* @param string $contentType
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* @param string $charset
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*/
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public function setContentType($contentType, $charset = 'utf-8')
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{
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$this->setHeader('Content-Type', sprintf('%s; charset=%s', $contentType, $charset));
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}
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/**
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* Returns value of the Content-Disposition header.
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*
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* @example getContentDisposition() -> 'attachment; filename*="file.txt"; filename="file.txt"'
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*
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* @return string Content-Disposition header
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*/
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public function getContentDisposition()
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{
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return $this->getHeaderLine('content-disposition');
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}
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/**
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* Sets the Content-Disposition HTTP header.
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*
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* @param string $disposition values: 'inline'|'attachment'
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* @param string $clientFileName file name for download on client
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*/
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public function setContentDisposition($disposition = self::DISPOSITION_ATTACHMENT, $clientFileName = '')
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{
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$disposition = strtolower($disposition);
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if (!in_array($disposition, [self::DISPOSITION_ATTACHMENT, self::DISPOSITION_INLINE], true)) {
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throw new InvalidArgumentException(sprintf('Invalid Content-Disposition "%s".', $disposition));
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}
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if ($clientFileName === '') {
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throw new InvalidArgumentException('Filename required.');
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}
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$encodedName = urlencode(StringUtil::toFilename($clientFileName));
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$fallbackName = StringUtil::toAscii($clientFileName);
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$header = sprintf('%s; filename*="%s"', $disposition, $encodedName);
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if ($fallbackName !== '') {
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$header .= sprintf('; filename="%s"', $fallbackName);
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}
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$this->setHeader('Content-Disposition', $header);
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}
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/**
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* Removes all non-ASCII characters from a header value
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*
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* @param string $value
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*
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* @return string
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*/
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protected function sanitizeHeaderValue($value)
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{
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if (!is_string($value)) {
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throw new HttpHeaderValueException('Invalid header', 0, null, $value);
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}
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return StringUtil::toAscii($value);
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}
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/**
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* @param string $name
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* @param string $value
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* @param int $timeToLive 0 = for ever
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*/
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public function addSimpleCookie($name, $value, $timeToLive = 0)
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{
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$this->addCookie(new Cookie($name, $value, $timeToLive));
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}
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/**
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* @param Cookie $cookie
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*/
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public function addCookie(Cookie $cookie)
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{
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$this->cookies[] = $cookie;
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}
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/**
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* @param string $cookieName
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*/
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public function removeCookie($cookieName)
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{
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foreach ($this->cookies as $key => $cookie) {
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if ($cookieName === $cookie->getName()) {
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unset($this->cookies[$key]);
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}
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}
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}
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/**
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* @return CookieCollection
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*/
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public function getCookies()
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{
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return $this->cookies;
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}
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/**
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* @param CookieCollection|array $cookies
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*/
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protected function setCookies($cookies)
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{
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if (is_object($cookies) && get_class($cookies) === CookieCollection::class) {
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$this->cookies = $cookies;
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} else {
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$this->cookies = new CookieCollection($cookies);
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}
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}
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/**
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* Transforms header name to normalized form.
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*
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* @example 'HEADER-NAME' -> 'header-name'
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*
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* @param string $name
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*
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* @return string
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*/
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protected function normalizeHeaderName($name)
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{
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if (!preg_match('/^[a-zA-Z0-9\-]+$/', $name)) {
|
|
throw new InvalidArgumentException(sprintf('Invalid character in header name "%s".', $name));
|
|
}
|
|
|
|
return str_replace('_', '-', strtolower($name));
|
|
}
|
|
}
|