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<?php |
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/** |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ChampsLibres\WopiLib\Service\Discovery; |
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use ChampsLibres\WopiLib\Contract\Service\Configuration\ConfigurationInterface; |
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use ChampsLibres\WopiLib\Contract\Service\Discovery\DiscoveryInterface; |
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use Exception; |
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use loophp\psr17\Psr17Interface; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use SimpleXMLElement; |
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use const JSON_THROW_ON_ERROR; |
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final class Discovery implements DiscoveryInterface |
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{ |
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private ClientInterface $client; |
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private ConfigurationInterface $configuration; |
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private Psr17Interface $psr17; |
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public function __construct( |
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ConfigurationInterface $configuration, |
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ClientInterface $client, |
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Psr17Interface $psr17 |
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) { |
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$this->configuration = $configuration; |
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$this->client = $client; |
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$this->psr17 = $psr17; |
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} |
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public function discoverExtension(string $extension): array |
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{ |
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$extensions = []; |
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/** @var false|SimpleXMLElement[]|null $apps */ |
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$apps = $this->discover()->xpath('//net-zone/app'); |
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if (false === $apps || null === $apps) { |
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throw new Exception(); |
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} |
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foreach ($apps as $app) { |
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/** @var false|SimpleXMLElement[]|null $actions */ |
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$actions = $app->xpath(sprintf("action[@ext='%s']", $extension)); |
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if (false === $actions || null === $actions) { |
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continue; |
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} |
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foreach ($actions as $action) { |
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$actionAttributes = $action->attributes() ?: []; |
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$extensions[] = array_merge( |
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(array) reset($actionAttributes), |
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['name' => (string) $app['name']], |
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['favIconUrl' => (string) $app['favIconUrl']] |
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); |
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} |
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} |
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return $extensions; |
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} |
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public function discoverMimeType(string $mimeType): array |
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{ |
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$mimeTypes = []; |
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/** @var false|SimpleXMLElement[]|null $apps */ |
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$apps = $this->discover()->xpath(sprintf("//net-zone/app[@name='%s']", $mimeType)); |
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if (false === $apps || null === $apps) { |
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throw new Exception(); |
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} |
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foreach ($apps as $app) { |
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/** @var false|SimpleXMLElement[]|null $actions */ |
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$actions = $app->xpath('action'); |
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if (false === $actions || null === $actions) { |
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continue; |
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} |
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foreach ($actions as $action) { |
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$actionAttributes = $action->attributes() ?: []; |
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$mimeTypes[] = array_merge( |
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(array) reset($actionAttributes), |
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['name' => (string) $app['name']], |
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); |
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} |
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} |
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return $mimeTypes; |
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} |
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public function getCapabilities(): array |
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{ |
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$capabilities = $this->discover()->xpath("//net-zone/app[@name='Capabilities']"); |
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if (false === $capabilities = reset($capabilities)) { |
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return []; |
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} |
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return json_decode( |
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(string) $this->request((string) $capabilities->action['urlsrc'])->getBody(), |
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true, |
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512, |
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JSON_THROW_ON_ERROR |
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); |
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} |
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public function getPublicKey(): string |
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{ |
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return (string) $this->discover()->xpath('//proof-key/@value')[0]; |
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} |
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public function getPublicKeyOld(): string |
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{ |
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return (string) $this->discover()->xpath('//proof-key/@oldvalue')[0]; |
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} |
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private function discover(): SimpleXMLElement |
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{ |
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$simpleXmlElement = simplexml_load_string( |
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(string) $this |
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->request( |
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sprintf('%s/%s', $this->configuration['server'], 'hosting/discovery') |
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) |
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->getBody() |
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); |
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if (false === $simpleXmlElement) { |
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// TODO |
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throw new Exception('Unable to parse XML.'); |
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} |
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return $simpleXmlElement; |
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} |
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private function request(string $url): ResponseInterface |
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{ |
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$response = $this |
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->client |
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->sendRequest($this->psr17->createRequest('GET', $url)); |
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if (200 !== $response->getStatusCode()) { |
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// TODO |
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throw new Exception('Invalid status code'); |
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} |
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return $response; |
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} |
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} |
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Champs-Libres /
wopi-lib
