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<?php namespace GuzzleHttp\Psr7; use InvalidArgumentException; use Psr\Http\Message\ServerRequestInterface; use Psr\Http\Message\UriInterface; use Psr\Http\Message\StreamInterface; use Psr\Http\Message\UploadedFileInterface; /** * Server-side HTTP request * * Extends the Request definition to add methods for accessing incoming data, * specifically server parameters, cookies, matched path parameters, query * string arguments, body parameters, and upload file information. * * "Attributes" are discovered via decomposing the request (and usually * specifically the URI path), and typically will be injected by the application. * * Requests are considered immutable; all methods that might change state are * implemented such that they retain the internal state of the current * message and return a new instance that contains the changed state. */ class ServerRequest extends Request implements ServerRequestInterface { /** * @var array */ private $attributes = []; /** * @var array */ private $cookieParams = []; /** * @var null|array|object */ private $parsedBody; /** * @var array */ private $queryParams = []; /** * @var array */ private $serverParams; /** * @var array */ private $uploadedFiles = []; /** * @param string $method HTTP method * @param string|UriInterface $uri URI * @param array $headers Request headers * @param string|null|resource|StreamInterface $body Request body * @param string $version Protocol version * @param array $serverParams Typically the $_SERVER superglobal */ public function __construct( $method, $uri, array $headers = [], $body = null, $version = '1.1', array $serverParams = [] ) { $this->serverParams = $serverParams; parent::__construct($method, $uri, $headers, $body, $version); } /** * Return an UploadedFile instance array. * * @param array $files A array which respect $_FILES structure * @throws InvalidArgumentException for unrecognized values * @return array */ public static function normalizeFiles(array $files) { $normalized = []; foreach ($files as $key => $value) { if ($value instanceof UploadedFileInterface) { $normalized[$key] = $value; } elseif (is_array($value) && isset($value['tmp_name'])) { $normalized[$key] = self::createUploadedFileFromSpec($value); } elseif (is_array($value)) { $normalized[$key] = self::normalizeFiles($value); continue; } else { throw new InvalidArgumentException('Invalid value in files specification'); } } return $normalized; } /** * Create and return an UploadedFile instance from a $_FILES specification. * * If the specification represents an array of values, this method will * delegate to normalizeNestedFileSpec() and return that return value. * * @param array $value $_FILES struct * @return array|UploadedFileInterface */ private static function createUploadedFileFromSpec(array $value) { if (is_array($value['tmp_name'])) { return self::normalizeNestedFileSpec($value); } return new UploadedFile( $value['tmp_name'], (int) $value['size'], (int) $value['error'], $value['name'], $value['type'] ); } /** * Normalize an array of file specifications. * * Loops through all nested files and returns a normalized array of * UploadedFileInterface instances. * * @param array $files * @return UploadedFileInterface[] */ private static function normalizeNestedFileSpec(array $files = []) { $normalizedFiles = []; foreach (array_keys($files['tmp_name']) as $key) { $spec = [ 'tmp_name' => $files['tmp_name'][$key], 'size' => $files['size'][$key], 'error' => $files['error'][$key], 'name' => $files['name'][$key], 'type' => $files['type'][$key], ]; $normalizedFiles[$key] = self::createUploadedFileFromSpec($spec); } return $normalizedFiles; } /** * Return a ServerRequest populated with superglobals: * $_GET * $_POST * $_COOKIE * $_FILES * $_SERVER * * @return ServerRequestInterface */ public static function fromGlobals() { $method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'GET'; $headers = getallheaders(); $uri = self::getUriFromGlobals(); $body = new CachingStream(new LazyOpenStream('php://input', 'r+')); $protocol = isset($_SERVER['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $_SERVER['SERVER_PROTOCOL']) : '1.1'; $serverRequest = new ServerRequest($method, $uri, $headers, $body, $protocol, $_SERVER); return $serverRequest ->withCookieParams($_COOKIE) ->withQueryParams($_GET) ->withParsedBody($_POST) ->withUploadedFiles(self::normalizeFiles($_FILES)); } private static function extractHostAndPortFromAuthority($authority) { $uri = 'http://'.$authority; $parts = parse_url($uri); if (false === $parts) { return [null, null]; } $host = isset($parts['host']) ? $parts['host'] : null; $port = isset($parts['port']) ? $parts['port'] : null; return [$host, $port]; } /** * Get a Uri populated with values from $_SERVER. * * @return UriInterface */ public static function getUriFromGlobals() { $uri = new Uri(''); $uri = $uri->withScheme(!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http'); $hasPort = false; if (isset($_SERVER['HTTP_HOST'])) { list($host, $port) = self::extractHostAndPortFromAuthority($_SERVER['HTTP_HOST']); if ($host !== null) { $uri = $uri->withHost($host); } if ($port !== null) { $hasPort = true; $uri = $uri->withPort($port); } } elseif (isset($_SERVER['SERVER_NAME'])) { $uri = $uri->withHost($_SERVER['SERVER_NAME']); } elseif (isset($_SERVER['SERVER_ADDR'])) { $uri = $uri->withHost($_SERVER['SERVER_ADDR']); } if (!$hasPort && isset($_SERVER['SERVER_PORT'])) { $uri = $uri->withPort($_SERVER['SERVER_PORT']); } $hasQuery = false; if (isset($_SERVER['REQUEST_URI'])) { $requestUriParts = explode('?', $_SERVER['REQUEST_URI'], 2); $uri = $uri->withPath($requestUriParts[0]); if (isset($requestUriParts[1])) { $hasQuery = true; $uri = $uri->withQuery($requestUriParts[1]); } } if (!$hasQuery && isset($_SERVER['QUERY_STRING'])) { $uri = $uri->withQuery($_SERVER['QUERY_STRING']); } return $uri; } /** * {@inheritdoc} */ public function getServerParams() { return $this->serverParams; } /** * {@inheritdoc} */ public function getUploadedFiles() { return $this->uploadedFiles; } /** * {@inheritdoc} */ public function withUploadedFiles(array $uploadedFiles) { $new = clone $this; $new->uploadedFiles = $uploadedFiles; return $new; } /** * {@inheritdoc} */ public function getCookieParams() { return $this->cookieParams; } /** * {@inheritdoc} */ public function withCookieParams(array $cookies) { $new = clone $this; $new->cookieParams = $cookies; return $new; } /** * {@inheritdoc} */ public function getQueryParams() { return $this->queryParams; } /** * {@inheritdoc} */ public function withQueryParams(array $query) { $new = clone $this; $new->queryParams = $query; return $new; } /** * {@inheritdoc} */ public function getParsedBody() { return $this->parsedBody; } /** * {@inheritdoc} */ public function withParsedBody($data) { $new = clone $this; $new->parsedBody = $data; return $new; } /** * {@inheritdoc} */ public function getAttributes() { return $this->attributes; } /** * {@inheritdoc} */ public function getAttribute($attribute, $default = null) { if (false === array_key_exists($attribute, $this->attributes)) { return $default; } return $this->attributes[$attribute]; } /** * {@inheritdoc} */ public function withAttribute($attribute, $value) { $new = clone $this; $new->attributes[$attribute] = $value; return $new; } /** * {@inheritdoc} */ public function withoutAttribute($attribute) { if (false === array_key_exists($attribute, $this->attributes)) { return $this; } $new = clone $this; unset($new->attributes[$attribute]); return $new; } }
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