Move into nested docroot
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Rob Davies
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202
vendor/zendframework/zend-diactoros/src/Response.php
vendored
202
vendor/zendframework/zend-diactoros/src/Response.php
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<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @see http://github.com/zendframework/zend-diactoros for the canonical source repository
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* @copyright Copyright (c) 2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
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*/
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namespace Zend\Diactoros;
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use InvalidArgumentException;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\StreamInterface;
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/**
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* HTTP response encapsulation.
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*
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* Responses are considered immutable; all methods that might change state are
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* implemented such that they retain the internal state of the current
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* message and return a new instance that contains the changed state.
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*/
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class Response implements ResponseInterface
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{
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use MessageTrait;
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/**
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* Map of standard HTTP status code/reason phrases
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*
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* @var array
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*/
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private $phrases = [
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// INFORMATIONAL CODES
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100 => 'Continue',
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101 => 'Switching Protocols',
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102 => 'Processing',
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// SUCCESS CODES
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200 => 'OK',
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201 => 'Created',
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202 => 'Accepted',
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203 => 'Non-Authoritative Information',
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204 => 'No Content',
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205 => 'Reset Content',
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206 => 'Partial Content',
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207 => 'Multi-status',
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208 => 'Already Reported',
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// REDIRECTION CODES
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300 => 'Multiple Choices',
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301 => 'Moved Permanently',
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302 => 'Found',
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303 => 'See Other',
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304 => 'Not Modified',
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305 => 'Use Proxy',
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306 => 'Switch Proxy', // Deprecated
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307 => 'Temporary Redirect',
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// CLIENT ERROR
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400 => 'Bad Request',
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401 => 'Unauthorized',
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402 => 'Payment Required',
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403 => 'Forbidden',
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404 => 'Not Found',
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405 => 'Method Not Allowed',
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406 => 'Not Acceptable',
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407 => 'Proxy Authentication Required',
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408 => 'Request Time-out',
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409 => 'Conflict',
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410 => 'Gone',
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411 => 'Length Required',
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412 => 'Precondition Failed',
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413 => 'Request Entity Too Large',
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414 => 'Request-URI Too Large',
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415 => 'Unsupported Media Type',
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416 => 'Requested range not satisfiable',
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417 => 'Expectation Failed',
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418 => 'I\'m a teapot',
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422 => 'Unprocessable Entity',
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423 => 'Locked',
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424 => 'Failed Dependency',
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425 => 'Unordered Collection',
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426 => 'Upgrade Required',
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428 => 'Precondition Required',
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429 => 'Too Many Requests',
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431 => 'Request Header Fields Too Large',
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// SERVER ERROR
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500 => 'Internal Server Error',
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501 => 'Not Implemented',
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502 => 'Bad Gateway',
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503 => 'Service Unavailable',
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504 => 'Gateway Time-out',
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505 => 'HTTP Version not supported',
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506 => 'Variant Also Negotiates',
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507 => 'Insufficient Storage',
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508 => 'Loop Detected',
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511 => 'Network Authentication Required',
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];
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/**
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* @var string
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*/
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private $reasonPhrase = '';
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/**
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* @var int
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*/
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private $statusCode = 200;
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/**
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* @param string|resource|StreamInterface $stream Stream identifier and/or actual stream resource
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* @param int $status Status code for the response, if any.
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* @param array $headers Headers for the response, if any.
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* @throws InvalidArgumentException on any invalid element.
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*/
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public function __construct($body = 'php://memory', $status = 200, array $headers = [])
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{
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if (! is_string($body) && ! is_resource($body) && ! $body instanceof StreamInterface) {
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throw new InvalidArgumentException(
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'Stream must be a string stream resource identifier, '
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. 'an actual stream resource, '
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. 'or a Psr\Http\Message\StreamInterface implementation'
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);
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}
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if (null !== $status) {
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$this->validateStatus($status);
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}
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$this->stream = ($body instanceof StreamInterface) ? $body : new Stream($body, 'wb+');
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$this->statusCode = $status ? (int) $status : 200;
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list($this->headerNames, $headers) = $this->filterHeaders($headers);
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$this->assertHeaders($headers);
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$this->headers = $headers;
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}
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/**
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* {@inheritdoc}
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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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* {@inheritdoc}
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*/
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public function getReasonPhrase()
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{
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if (! $this->reasonPhrase
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&& isset($this->phrases[$this->statusCode])
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) {
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$this->reasonPhrase = $this->phrases[$this->statusCode];
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}
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return $this->reasonPhrase;
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}
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/**
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* {@inheritdoc}
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*/
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public function withStatus($code, $reasonPhrase = '')
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{
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$this->validateStatus($code);
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$new = clone $this;
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$new->statusCode = (int) $code;
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$new->reasonPhrase = $reasonPhrase;
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return $new;
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}
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/**
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* Validate a status code.
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*
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* @param int|string $code
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* @throws InvalidArgumentException on an invalid status code.
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*/
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private function validateStatus($code)
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{
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if (! is_numeric($code)
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|| is_float($code)
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|| $code < 100
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|| $code >= 600
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) {
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throw new InvalidArgumentException(sprintf(
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'Invalid status code "%s"; must be an integer between 100 and 599, inclusive',
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(is_scalar($code) ? $code : gettype($code))
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));
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}
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}
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/**
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* Ensure header names and values are valid.
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*
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* @param array $headers
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* @throws InvalidArgumentException
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*/
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private function assertHeaders(array $headers)
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{
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foreach ($headers as $name => $headerValues) {
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HeaderSecurity::assertValidName($name);
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array_walk($headerValues, __NAMESPACE__ . '\HeaderSecurity::assertValid');
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}
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}
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}
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