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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Controller;
use OC\Core\ResponseDefinitions;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\AnonRateLimit;
use OCP\AppFramework\Http\Attribute\ApiRoute;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\PublicPage;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\Collaboration\Reference\IDiscoverableReferenceProvider;
use OCP\Collaboration\Reference\IReferenceManager;
use OCP\Collaboration\Reference\Reference;
use OCP\IRequest;
/**
* @psalm-import-type CoreReference from ResponseDefinitions
* @psalm-import-type CoreReferenceProvider from ResponseDefinitions
*/
class ReferenceApiController extends OCSController {
private const LIMIT_MAX = 15;
public function __construct(
string $appName,
IRequest $request,
private IReferenceManager $referenceManager,
private ?string $userId,
) {
parent::__construct($appName, $request);
}
/**
* Extract references from a text
*
* @param string $text Text to extract from
* @param bool $resolve Resolve the references
* @param int $limit Maximum amount of references to extract
* @return DataResponse<Http::STATUS_OK, array{references: array<string, CoreReference|null>}, array{}>
*
* 200: References returned
*/
#[NoAdminRequired]
#[ApiRoute(verb: 'POST', url: '/extract', root: '/references')]
public function extract(string $text, bool $resolve = false, int $limit = 1): DataResponse {
$references = $this->referenceManager->extractReferences($text);
$result = [];
$index = 0;
foreach ($references as $reference) {
if ($index++ >= $limit) {
break;
}
$result[$reference] = $resolve ? $this->referenceManager->resolveReference($reference)->jsonSerialize() : null;
}
return new DataResponse([
'references' => $result
]);
}
/**
* Extract references from a text
*
* @param string $text Text to extract from
* @param string $sharingToken Token of the public share
* @param bool $resolve Resolve the references
* @param int $limit Maximum amount of references to extract, limited to 15
* @return DataResponse<Http::STATUS_OK, array{references: array<string, CoreReference|null>}, array{}>
*
* 200: References returned
*/
#[ApiRoute(verb: 'POST', url: '/extractPublic', root: '/references')]
#[PublicPage]
#[AnonRateLimit(limit: 10, period: 120)]
public function extractPublic(string $text, string $sharingToken, bool $resolve = false, int $limit = 1): DataResponse {
$references = $this->referenceManager->extractReferences($text);
$result = [];
$index = 0;
foreach ($references as $reference) {
if ($index++ >= min($limit, self::LIMIT_MAX)) {
break;
}
$result[$reference] = $resolve ? $this->referenceManager->resolveReference($reference, true, $sharingToken)?->jsonSerialize() : null;
}
return new DataResponse([
'references' => $result
]);
}
/**
* Resolve a reference
*
* @param string $reference Reference to resolve
* @return DataResponse<Http::STATUS_OK, array{references: array<string, ?CoreReference>}, array{}>
*
* 200: Reference returned
*/
#[NoAdminRequired]
#[ApiRoute(verb: 'GET', url: '/resolve', root: '/references')]
public function resolveOne(string $reference): DataResponse {
/** @var ?CoreReference $resolvedReference */
$resolvedReference = $this->referenceManager->resolveReference(trim($reference))?->jsonSerialize();
$response = new DataResponse(['references' => [$reference => $resolvedReference]]);
$response->cacheFor(3600, false, true);
return $response;
}
/**
* Resolve from a public page
*
* @param string $reference Reference to resolve
* @param string $sharingToken Token of the public share
* @return DataResponse<Http::STATUS_OK, array{references: array<string, ?CoreReference>}, array{}>
*
* 200: Reference returned
*/
#[ApiRoute(verb: 'GET', url: '/resolvePublic', root: '/references')]
#[PublicPage]
#[AnonRateLimit(limit: 25, period: 120)]
public function resolveOnePublic(string $reference, string $sharingToken): DataResponse {
/** @var ?CoreReference $resolvedReference */
$resolvedReference = $this->referenceManager->resolveReference(trim($reference), true, trim($sharingToken))?->jsonSerialize();
$response = new DataResponse(['references' => [$reference => $resolvedReference]]);
$response->cacheFor(3600, false, true);
return $response;
}
/**
* Resolve multiple references
*
* @param list<string> $references References to resolve
* @param int $limit Maximum amount of references to resolve
* @return DataResponse<Http::STATUS_OK, array{references: array<string, CoreReference|null>}, array{}>
*
* 200: References returned
*/
#[NoAdminRequired]
#[ApiRoute(verb: 'POST', url: '/resolve', root: '/references')]
public function resolve(array $references, int $limit = 1): DataResponse {
$result = [];
$index = 0;
foreach ($references as $reference) {
if ($index++ >= $limit) {
break;
}
$result[$reference] = $this->referenceManager->resolveReference($reference)?->jsonSerialize();
}
return new DataResponse([
'references' => $result
]);
}
/**
* Resolve multiple references from a public page
*
* @param list<string> $references References to resolve
* @param string $sharingToken Token of the public share
* @param int $limit Maximum amount of references to resolve, limited to 15
* @return DataResponse<Http::STATUS_OK, array{references: array<string, CoreReference|null>}, array{}>
*
* 200: References returned
*/
#[ApiRoute(verb: 'POST', url: '/resolvePublic', root: '/references')]
#[PublicPage]
#[AnonRateLimit(limit: 10, period: 120)]
public function resolvePublic(array $references, string $sharingToken, int $limit = 1): DataResponse {
$result = [];
$index = 0;
foreach ($references as $reference) {
if ($index++ >= min($limit, self::LIMIT_MAX)) {
break;
}
$result[$reference] = $this->referenceManager->resolveReference($reference, true, $sharingToken)?->jsonSerialize();
}
return new DataResponse([
'references' => $result
]);
}
/**
* Get the providers
*
* @return DataResponse<Http::STATUS_OK, list<CoreReferenceProvider>, array{}>
*
* 200: Providers returned
*/
#[NoAdminRequired]
#[ApiRoute(verb: 'GET', url: '/providers', root: '/references')]
public function getProvidersInfo(): DataResponse {
$providers = $this->referenceManager->getDiscoverableProviders();
$jsonProviders = array_values(array_map(static function (IDiscoverableReferenceProvider $provider) {
return $provider->jsonSerialize();
}, $providers));
return new DataResponse($jsonProviders);
}
/**
* Touch a provider
*
* @param string $providerId ID of the provider
* @param int|null $timestamp Timestamp of the last usage
* @return DataResponse<Http::STATUS_OK, array{success: bool}, array{}>
*
* 200: Provider touched
*/
#[NoAdminRequired]
#[ApiRoute(verb: 'PUT', url: '/provider/{providerId}', root: '/references')]
public function touchProvider(string $providerId, ?int $timestamp = null): DataResponse {
if ($this->userId !== null) {
$success = $this->referenceManager->touchProvider($this->userId, $providerId, $timestamp);
return new DataResponse(['success' => $success]);
}
return new DataResponse(['success' => false]);
}
}
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