1 files changed, 83 insertions, 0 deletions
diff --git a/lib/private/Remote/Api/OCS.php b/lib/private/Remote/Api/OCS.php
new file mode 100644
index 00000000000..36bc22751a5
--- /dev/null
+++ b/lib/private/Remote/Api/OCS.php
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Remote\Api;
+
+use GuzzleHttp\Exception\ClientException;
+use OC\ForbiddenException;
+use OC\Remote\User;
+use OCP\AppFramework\OCSController;
+use OCP\Remote\Api\ICapabilitiesApi;
+use OCP\Remote\Api\IUserApi;
+
+class OCS extends ApiBase implements ICapabilitiesApi, IUserApi {
+	/**
+	 * @param string $method
+	 * @param string $url
+	 * @param array $body
+	 * @param array $query
+	 * @param array $headers
+	 * @return array
+	 * @throws ForbiddenException
+	 * @throws NotFoundException
+	 * @throws \Exception
+	 */
+	protected function request($method, $url, array $body = [], array $query = [], array $headers = []) {
+		try {
+			$response = json_decode(parent::request($method, 'ocs/v2.php/' . $url, $body, $query, $headers), true);
+		} catch (ClientException $e) {
+			if ($e->getResponse()->getStatusCode() === 404) {
+				throw new NotFoundException();
+			} elseif ($e->getResponse()->getStatusCode() === 403 || $e->getResponse()->getStatusCode() === 401) {
+				throw new ForbiddenException();
+			} else {
+				throw $e;
+			}
+		}
+		if (!isset($response['ocs']) || !isset($response['ocs']['meta'])) {
+			throw new \Exception('Invalid ocs response');
+		}
+		if ($response['ocs']['meta']['statuscode'] === OCSController::RESPOND_UNAUTHORISED) {
+			throw new ForbiddenException();
+		}
+		if ($response['ocs']['meta']['statuscode'] === OCSController::RESPOND_NOT_FOUND) {
+			throw new NotFoundException();
+		}
+		if ($response['ocs']['meta']['status'] !== 'ok') {
+			throw new \Exception('Unknown ocs error ' . $response['ocs']['meta']['message']);
+		}
+
+		return $response['ocs']['data'];
+	}
+
+	/**
+	 * @param array $data
+	 * @param string $type
+	 * @param string[] $keys
+	 * @throws \Exception
+	 */
+	private function checkResponseArray(array $data, $type, array $keys) {
+		foreach ($keys as $key) {
+			if (!array_key_exists($key, $data)) {
+				throw new \Exception('Invalid ' . $type . ' response, expected field ' . $key . ' not found');
+			}
+		}
+	}
+
+	public function getUser($userId) {
+		$result = $this->request('get', 'cloud/users/' . $userId);
+		$this->checkResponseArray($result, 'user', User::EXPECTED_KEYS);
+		return new User($result);
+	}
+
+	/**
+	 * @return array The capabilities in the form of [$appId => [$capability => $value]]
+	 */
+	public function getCapabilities() {
+		$result = $this->request('get', 'cloud/capabilities');
+		return $result['capabilities'];
+	}
+}