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Add api clients for talking to remote clouds
Signed-off-by: Robin Appelman <robin@icewind.nl>
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<?php | ||
/** | ||
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> | ||
* | ||
* @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/>. | ||
* | ||
*/ | ||
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namespace OC\Remote\Api; | ||
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use OC\Remote\Credentials; | ||
use OC\Remote\Instance; | ||
use OCP\Http\Client\IClientService; | ||
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class ApiBase { | ||
/** @var Instance */ | ||
private $instance; | ||
/** @var Credentials */ | ||
private $credentials; | ||
/** @var IClientService */ | ||
private $clientService; | ||
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public function __construct(Instance $instance, Credentials $credentials, IClientService $clientService) { | ||
$this->instance = $instance; | ||
$this->credentials = $credentials; | ||
$this->clientService = $clientService; | ||
} | ||
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protected function getHttpClient() { | ||
return $this->clientService->newClient(); | ||
} | ||
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protected function addDefaultHeaders(array $headers) { | ||
return array_merge([ | ||
'OCS-APIREQUEST' => 'true', | ||
'Accept' => 'application/json' | ||
], $headers); | ||
} | ||
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/** | ||
* @param string $method | ||
* @param string $url | ||
* @param array $body | ||
* @param array $query | ||
* @param array $headers | ||
* @return resource|string | ||
*/ | ||
protected function request($method, $url, array $body = [], array $query = [], array $headers = []) { | ||
$fullUrl = trim($this->instance->getFullUrl(), '/') . '/' . $url; | ||
$options = [ | ||
'query' => $query, | ||
'headers' => $this->addDefaultHeaders($headers), | ||
'auth' => [$this->credentials->getUsername(), $this->credentials->getPassword()] | ||
]; | ||
if ($body) { | ||
$options['body'] = $body; | ||
} | ||
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$client = $this->getHttpClient(); | ||
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switch ($method) { | ||
case 'get': | ||
$response = $client->get($fullUrl, $options); | ||
break; | ||
case 'post': | ||
$response = $client->post($fullUrl, $options); | ||
break; | ||
case 'put': | ||
$response = $client->put($fullUrl, $options); | ||
break; | ||
case 'delete': | ||
$response = $client->delete($fullUrl, $options); | ||
break; | ||
case 'options': | ||
$response = $client->options($fullUrl, $options); | ||
break; | ||
default: | ||
throw new \InvalidArgumentException('Invalid method ' . $method); | ||
} | ||
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return $response->getBody(); | ||
} | ||
} |
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<?php | ||
/** | ||
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> | ||
* | ||
* @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/>. | ||
* | ||
*/ | ||
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namespace OC\Remote\Api; | ||
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class NotFoundException extends \Exception { | ||
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} |
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<?php | ||
/** | ||
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> | ||
* | ||
* @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/>. | ||
* | ||
*/ | ||
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namespace OC\Remote\Api; | ||
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use OC\ForbiddenException; | ||
use OC\Remote\User; | ||
use OCP\API; | ||
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class OCS extends ApiBase { | ||
/** | ||
* @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 = []) { | ||
$response = json_decode(parent::request($method, '/ocs/v2.php/' . $url, $body, $query, $headers), true); | ||
if (!isset($result['ocs']) || !isset($result['ocs']['meta'])) { | ||
throw new \Exception('Invalid ocs response'); | ||
} | ||
if ($response['ocs']['meta']['statuscode'] === API::RESPOND_UNAUTHORISED) { | ||
throw new ForbiddenException(); | ||
} | ||
if ($response['ocs']['meta']['statuscode'] === API::RESPOND_NOT_FOUND) { | ||
throw new NotFoundException(); | ||
} | ||
if ($response['ocs']['meta']['status'] !== 'ok') { | ||
throw new \Exception('Unknown ocs error ' . $response['ocs']['meta']['message']); | ||
} | ||
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return $response['ocs']['data']; | ||
} | ||
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public function getUser($userId) { | ||
return new User($this->request('get', 'cloud/users/' . $userId)); | ||
} | ||
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public function getCapabilities() { | ||
return $this->request('get', 'cloud/capabilities'); | ||
} | ||
} |
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@@ -0,0 +1,53 @@ | ||
<?php | ||
/** | ||
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> | ||
* | ||
* @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/>. | ||
* | ||
*/ | ||
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namespace OC\Remote; | ||
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class Credentials { | ||
/** @var string */ | ||
private $user; | ||
/** @var string */ | ||
private $password; | ||
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/** | ||
* @param string $user | ||
* @param string $password | ||
*/ | ||
public function __construct($user, $password) { | ||
$this->user = $user; | ||
$this->password = $password; | ||
} | ||
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/** | ||
* @return string | ||
*/ | ||
public function getUsername() { | ||
return $this->user; | ||
} | ||
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/** | ||
* @return string | ||
*/ | ||
public function getPassword() { | ||
return $this->password; | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,127 @@ | ||
<?php | ||
/** | ||
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> | ||
* | ||
* @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/>. | ||
* | ||
*/ | ||
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namespace OC\Remote; | ||
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use OCP\Http\Client\IClientService; | ||
use OCP\ICache; | ||
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/** | ||
* Provides some basic info about a remote Nextcloud instance | ||
*/ | ||
class Instance { | ||
/** @var string */ | ||
private $url; | ||
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/** @var ICache */ | ||
private $cache; | ||
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/** @var IClientService */ | ||
private $clientService; | ||
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private $status; | ||
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/** | ||
* @param string $url | ||
* @param ICache $cache | ||
* @param IClientService $clientService | ||
*/ | ||
public function __construct($url, ICache $cache, IClientService $clientService) { | ||
$url = str_replace('https://', '', $url); | ||
$this->url = str_replace('http://', '', $url); | ||
$this->cache = $cache; | ||
$this->clientService = $clientService; | ||
} | ||
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/** | ||
* @return string The url of the remote server without protocol | ||
*/ | ||
public function getUrl() { | ||
return $this->url; | ||
} | ||
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/** | ||
* @return string The of of the remote server with protocol | ||
*/ | ||
public function getFullUrl() { | ||
return $this->getProtocol() . '://' . $this->getUrl(); | ||
} | ||
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/** | ||
* @return string The full version string in '13.1.2.3' format | ||
*/ | ||
public function getVersion() { | ||
$status = $this->getStatus(); | ||
return $status['version']; | ||
} | ||
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/** | ||
* @return string 'http' or 'https' | ||
*/ | ||
public function getProtocol() { | ||
$status = $this->getStatus(); | ||
return $status['protocol']; | ||
} | ||
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/** | ||
* Check that the remote server is installed and not in maintenance mode | ||
* | ||
* @return bool | ||
*/ | ||
public function isActive() { | ||
$status = $this->getStatus(); | ||
return $status['installed'] && !$status['maintenance']; | ||
} | ||
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private function getStatus() { | ||
if ($this->status) { | ||
return $this->status; | ||
} | ||
$key = 'remote/' . $this->url . '/status'; | ||
$status = $this->cache->get($key); | ||
if (!$status) { | ||
$response = $this->downloadStatus('https://' . $this->getUrl() . '/status.php'); | ||
$protocol = 'https'; | ||
if (!$response) { | ||
$response = $this->downloadStatus('http://' . $this->getUrl() . '/status.php'); | ||
$protocol = 'http'; | ||
} | ||
$status = json_decode($response, true); | ||
if ($status) { | ||
$status['protocol'] = $protocol; | ||
} | ||
if ($status) { | ||
$this->cache->set($key, $status, 5 * 60); | ||
$this->status = $status; | ||
} | ||
} | ||
return $status; | ||
} | ||
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private function downloadStatus($url) { | ||
try { | ||
$request = $this->clientService->newClient()->get($url); | ||
return $request->getBody(); | ||
} catch (\Exception $e) { | ||
return false; | ||
} | ||
} | ||
} |
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