nextcloud/lib/public/Http/WellKnown/JrdResponse.php

171 lines
3.9 KiB
PHP

<?php
declare(strict_types=1);
/*
* @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OCP\Http\WellKnown;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\Response;
use function array_filter;
/**
* A JSON Document Format (JDF) response to a well-known request
*
* @ref https://tools.ietf.org/html/rfc6415#appendix-A
* @ref https://tools.ietf.org/html/rfc7033#section-4.4
*
* @since 21.0.0
*/
final class JrdResponse implements IResponse {
/** @var string */
private $subject;
/** @var string|null */
private $expires;
/** @var string[] */
private $aliases = [];
/** @var (string|null)[] */
private $properties = [];
/** @var mixed[] */
private $links;
/**
* @param string $subject https://tools.ietf.org/html/rfc7033#section-4.4.1
*
* @since 21.0.0
*/
public function __construct(string $subject) {
$this->subject = $subject;
}
/**
* @param string $expires
*
* @return $this
*
* @since 21.0.0
*/
public function setExpires(string $expires): self {
$this->expires = $expires;
return $this;
}
/**
* Add an alias
*
* @ref https://tools.ietf.org/html/rfc7033#section-4.4.2
*
* @param string $alias
*
* @return $this
*
* @since 21.0.0
*/
public function addAlias(string $alias): self {
$this->aliases[] = $alias;
return $this;
}
/**
* Add a property
*
* @ref https://tools.ietf.org/html/rfc7033#section-4.4.3
*
* @param string $property
* @param string|null $value
*
* @return $this
*
* @since 21.0.0
*/
public function addProperty(string $property, ?string $value): self {
$this->properties[$property] = $value;
return $this;
}
/**
* Add a link
*
* @ref https://tools.ietf.org/html/rfc7033#section-8.4
*
* @param string $rel https://tools.ietf.org/html/rfc7033#section-4.4.4.1
* @param string|null $type https://tools.ietf.org/html/rfc7033#section-4.4.4.2
* @param string|null $href https://tools.ietf.org/html/rfc7033#section-4.4.4.3
* @param string[]|null $titles https://tools.ietf.org/html/rfc7033#section-4.4.4.4
* @param string|null $properties https://tools.ietf.org/html/rfc7033#section-4.4.4.5
*
* @psalm-param array<string,(string|null)>|null $properties https://tools.ietf.org/html/rfc7033#section-4.4.4.5
*
* @return JrdResponse
* @since 21.0.0
*/
public function addLink(string $rel,
?string $type,
?string $href,
?array $titles = [],
?array $properties = []): self {
$this->links[] = array_filter([
'rel' => $rel,
'type' => $type,
'href' => $href,
'titles' => $titles,
'properties' => $properties,
]);
return $this;
}
/**
* @since 21.0.0
*/
public function toHttpResponse(): Response {
return new JSONResponse(array_filter([
'subject' => $this->subject,
'expires' => $this->expires,
'aliases' => $this->aliases,
'properties' => $this->properties,
'links' => $this->links,
]));
}
/**
* Does this response have any data attached to it?
*
* @since 21.0.0
*/
public function isEmpty(): bool {
return $this->expires === null
&& empty($this->aliases)
&& empty($this->properties)
&& empty($this->links);
}
}