<?php /** * This file is part of the CodeIgniter 4 framework. * * (c) CodeIgniter Foundation <admin@codeigniter.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace CodeIgniter\HTTP; use CodeIgniter\HTTP\Exceptions\HTTPException; use CodeIgniter\Pager\PagerInterface; use DateTime; use InvalidArgumentException; /** * Representation of an outgoing, getServer-side response. * Most of these methods are supplied by ResponseTrait. * * Per the HTTP specification, this interface includes properties for * each of the following: * * - Protocol version * - Status code and reason phrase * - Headers * - Message body * * @mixin \CodeIgniter\HTTP\RedirectResponse */ interface ResponseInterface { /** * Constants for status codes. * From https://en.wikipedia.org/wiki/List_of_HTTP_status_codes */ // Informational const HTTP_CONTINUE = 100; const HTTP_SWITCHING_PROTOCOLS = 101; const HTTP_PROCESSING = 102; const HTTP_EARLY_HINTS = 103; // Success const HTTP_OK = 200; const HTTP_CREATED = 201; const HTTP_ACCEPTED = 202; const HTTP_NONAUTHORITATIVE_INFORMATION = 203; const HTTP_NO_CONTENT = 204; const HTTP_RESET_CONTENT = 205; const HTTP_PARTIAL_CONTENT = 206; const HTTP_MULTI_STATUS = 207; const HTTP_ALREADY_REPORTED = 208; const HTTP_IM_USED = 226; // Redirection const HTTP_MULTIPLE_CHOICES = 300; const HTTP_MOVED_PERMANENTLY = 301; const HTTP_FOUND = 302; const HTTP_SEE_OTHER = 303; const HTTP_NOT_MODIFIED = 304; const HTTP_USE_PROXY = 305; const HTTP_SWITCH_PROXY = 306; const HTTP_TEMPORARY_REDIRECT = 307; const HTTP_PERMANENT_REDIRECT = 308; // Client Error const HTTP_BAD_REQUEST = 400; const HTTP_UNAUTHORIZED = 401; const HTTP_PAYMENT_REQUIRED = 402; const HTTP_FORBIDDEN = 403; const HTTP_NOT_FOUND = 404; const HTTP_METHOD_NOT_ALLOWED = 405; const HTTP_NOT_ACCEPTABLE = 406; const HTTP_PROXY_AUTHENTICATION_REQUIRED = 407; const HTTP_REQUEST_TIMEOUT = 408; const HTTP_CONFLICT = 409; const HTTP_GONE = 410; const HTTP_LENGTH_REQUIRED = 411; const HTTP_PRECONDITION_FAILED = 412; const HTTP_PAYLOAD_TOO_LARGE = 413; const HTTP_URI_TOO_LONG = 414; const HTTP_UNSUPPORTED_MEDIA_TYPE = 415; const HTTP_RANGE_NOT_SATISFIABLE = 416; const HTTP_EXPECTATION_FAILED = 417; const HTTP_IM_A_TEAPOT = 418; const HTTP_MISDIRECTED_REQUEST = 421; const HTTP_UNPROCESSABLE_ENTITY = 422; const HTTP_LOCKED = 423; const HTTP_FAILED_DEPENDENCY = 424; const HTTP_TOO_EARLY = 425; const HTTP_UPGRADE_REQUIRED = 426; const HTTP_PRECONDITION_REQUIRED = 428; const HTTP_TOO_MANY_REQUESTS = 429; const HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE = 431; const HTTP_UNAVAILABLE_FOR_LEGAL_REASONS = 451; const HTTP_CLIENT_CLOSED_REQUEST = 499; // Server Error const HTTP_INTERNAL_SERVER_ERROR = 500; const HTTP_NOT_IMPLEMENTED = 501; const HTTP_BAD_GATEWAY = 502; const HTTP_SERVICE_UNAVAILABLE = 503; const HTTP_GATEWAY_TIMEOUT = 504; const HTTP_HTTP_VERSION_NOT_SUPPORTED = 505; const HTTP_VARIANT_ALSO_NEGOTIATES = 506; const HTTP_INSUFFICIENT_STORAGE = 507; const HTTP_LOOP_DETECTED = 508; const HTTP_NOT_EXTENDED = 510; const HTTP_NETWORK_AUTHENTICATION_REQUIRED = 511; const HTTP_NETWORK_CONNECT_TIMEOUT_ERROR = 599; /** * Gets the response status code. * * The status code is a 3-digit integer result code of the getServer's attempt * to understand and satisfy the request. * * @return integer Status code. * * @deprecated To be replaced by the PSR-7 version (compatible) */ public function getStatusCode(): int; //-------------------------------------------------------------------- /** * Return an instance with the specified status code and, optionally, reason phrase. * * If no reason phrase is specified, will default recommended reason phrase for * the response's status code. * * @see http://tools.ietf.org/html/rfc7231#section-6 * @see http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml * * @param integer $code The 3-digit integer result code to set. * @param string $reason The reason phrase to use with the * provided status code; if none is provided, will * default to the IANA name. * * @return self * @throws InvalidArgumentException For invalid status code arguments. */ public function setStatusCode(int $code, string $reason = ''); //-------------------------------------------------------------------- /** * Gets the response response phrase associated with the status code. * * @see http://tools.ietf.org/html/rfc7231#section-6 * @see http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml * * @return string * * @deprecated Use getReasonPhrase() */ public function getReason(): string; //-------------------------------------------------------------------- // Convenience Methods //-------------------------------------------------------------------- /** * Sets the date header * * @param DateTime $date * * @return ResponseInterface */ public function setDate(DateTime $date); /** * Sets the Last-Modified date header. * * $date can be either a string representation of the date or, * preferably, an instance of DateTime. * * @param string|DateTime $date */ public function setLastModified($date); /** * Set the Link Header * * @param PagerInterface $pager * * @see http://tools.ietf.org/html/rfc5988 * * @return Response * @todo Recommend moving to Pager */ public function setLink(PagerInterface $pager); /** * Sets the Content Type header for this response with the mime type * and, optionally, the charset. * * @param string $mime * @param string $charset * * @return ResponseInterface */ public function setContentType(string $mime, string $charset = 'UTF-8'); //-------------------------------------------------------------------- // Formatter Methods //-------------------------------------------------------------------- /** * Converts the $body into JSON and sets the Content Type header. * * @param array|string $body * @param boolean $unencoded * * @return $this */ public function setJSON($body, bool $unencoded = false); /** * Returns the current body, converted to JSON is it isn't already. * * @return mixed|string * * @throws InvalidArgumentException If the body property is not array. */ public function getJSON(); /** * Converts $body into XML, and sets the correct Content-Type. * * @param array|string $body * * @return $this */ public function setXML($body); /** * Retrieves the current body into XML and returns it. * * @return mixed|string * @throws InvalidArgumentException If the body property is not array. */ public function getXML(); //-------------------------------------------------------------------- // Cache Control Methods // // http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 //-------------------------------------------------------------------- /** * Sets the appropriate headers to ensure this response * is not cached by the browsers. */ public function noCache(); /** * A shortcut method that allows the developer to set all of the * cache-control headers in one method call. * * The options array is used to provide the cache-control directives * for the header. It might look something like: * * $options = [ * 'max-age' => 300, * 's-maxage' => 900 * 'etag' => 'abcde', * ]; * * Typical options are: * - etag * - last-modified * - max-age * - s-maxage * - private * - public * - must-revalidate * - proxy-revalidate * - no-transform * * @param array $options * * @return ResponseInterface */ public function setCache(array $options = []); //-------------------------------------------------------------------- // Output Methods //-------------------------------------------------------------------- /** * Sends the output to the browser. * * @return ResponseInterface */ public function send(); /** * Sends the headers of this HTTP request to the browser. * * @return Response */ public function sendHeaders(); /** * Sends the Body of the message to the browser. * * @return Response */ public function sendBody(); //-------------------------------------------------------------------- // Cookie Methods //-------------------------------------------------------------------- /** * Set a cookie * * Accepts an arbitrary number of binds (up to 7) or an associative * array in the first parameter containing all the values. * * @param string|array $name Cookie name or array containing binds * @param string $value Cookie value * @param string $expire Cookie expiration time in seconds * @param string $domain Cookie domain (e.g.: '.yourdomain.com') * @param string $path Cookie path (default: '/') * @param string $prefix Cookie name prefix * @param boolean $secure Whether to only transfer cookies via SSL * @param boolean $httponly Whether only make the cookie accessible via HTTP (no javascript) * @param string|null $samesite * * @return $this */ public function setCookie( $name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = false, $httponly = false, $samesite = null ); /** * Checks to see if the Response has a specified cookie or not. * * @param string $name * @param string|null $value * @param string $prefix * * @return boolean */ public function hasCookie(string $name, string $value = null, string $prefix = ''): bool; /** * Returns the cookie * * @param string|null $name * @param string $prefix * * @return mixed */ public function getCookie(string $name = null, string $prefix = ''); /** * Sets a cookie to be deleted when the response is sent. * * @param string $name * @param string $domain * @param string $path * @param string $prefix * * @return $this */ public function deleteCookie(string $name = '', string $domain = '', string $path = '/', string $prefix = ''); /** * Returns all cookies currently set. * * @return array */ public function getCookies(); //-------------------------------------------------------------------- // Response Methods //-------------------------------------------------------------------- /** * Perform a redirect to a new URL, in two flavors: header or location. * * @param string $uri The URI to redirect to * @param string $method * @param integer $code The type of redirection, defaults to 302 * * @return $this * @throws HTTPException For invalid status code. */ public function redirect(string $uri, string $method = 'auto', int $code = null); /** * Force a download. * * Generates the headers that force a download to happen. And * sends the file to the browser. * * @param string $filename The path to the file to send * @param string|null $data The data to be downloaded * @param boolean $setMime Whether to try and send the actual MIME type * * @return DownloadResponse|null */ public function download(string $filename = '', $data = '', bool $setMime = false); }