server/lib/private/OCSClient.php

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<?php
/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Bart Visscher <bartv@thisnet.nl>
* @author Brice Maron <brice@bmaron.net>
* @author Felix Moeller <mail@felixmoeller.de>
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* @author Frank Karlitschek <frank@karlitschek.de>
* @author Jarrett <JetUni@users.noreply.github.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Kamil Domanski <kdomanski@kdemail.net>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Sam Tuke <mail@samtuke.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
*/
namespace OC;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use OCP\ILogger;
/**
* Class OCSClient is a class for communication with the ownCloud appstore
*
* @package OC
*/
class OCSClient {
/** @var IClientService */
private $httpClientService;
/** @var IConfig */
private $config;
/** @var ILogger */
private $logger;
/**
* @param IClientService $httpClientService
* @param IConfig $config
* @param ILogger $logger
*/
public function __construct(IClientService $httpClientService,
IConfig $config,
ILogger $logger) {
$this->httpClientService = $httpClientService;
$this->config = $config;
$this->logger = $logger;
}
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/**
* Returns whether the AppStore is enabled (i.e. because the AppStore is disabled for EE)
*
* @return bool
*/
public function isAppStoreEnabled() {
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return $this->config->getSystemValue('appstoreenabled', true) === true;
}
/**
* Get the url of the OCS AppStore server.
*
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* @return string of the AppStore server
*/
private function getAppStoreUrl() {
return $this->config->getSystemValue('appstoreurl', 'https://api.owncloud.com/v1');
}
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/**
* @param string $body
* @param string $action
* @return null|\SimpleXMLElement
*/
private function loadData($body, $action) {
$loadEntities = libxml_disable_entity_loader(true);
$data = @simplexml_load_string($body);
libxml_disable_entity_loader($loadEntities);
if($data === false) {
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libxml_clear_errors();
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$this->logger->error(
sprintf('Could not get %s, content was no valid XML', $action),
[
'app' => 'core',
]
);
return null;
}
return $data;
}
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/**
* Get all the categories from the OCS server
*
* @param array $targetVersion The target ownCloud version
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* @return array|null an array of category ids or null
* @note returns NULL if config value appstoreenabled is set to false
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* This function returns a list of all the application categories on the OCS server
*/
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public function getCategories(array $targetVersion) {
if (!$this->isAppStoreEnabled()) {
return null;
}
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$client = $this->httpClientService->newClient();
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try {
$response = $client->get(
$this->getAppStoreUrl() . '/content/categories',
[
'timeout' => 20,
'query' => [
'version' => implode('x', $targetVersion),
],
]
);
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} catch(\Exception $e) {
$this->logger->error(
sprintf('Could not get categories: %s', $e->getMessage()),
[
'app' => 'core',
]
);
return null;
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}
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$data = $this->loadData($response->getBody(), 'categories');
if($data === null) {
return null;
}
$tmp = $data->data;
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$cats = [];
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foreach ($tmp->category as $value) {
$id = (int)$value->id;
$name = (string)$value->name;
$cats[$id] = $name;
}
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return $cats;
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}
/**
* Get all the applications from the OCS server
* @param array $categories
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* @param int $page
* @param string $filter
* @param array $targetVersion The target ownCloud version
* @return array An array of application data
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*/
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public function getApplications(array $categories, $page, $filter, array $targetVersion) {
if (!$this->isAppStoreEnabled()) {
return [];
}
$client = $this->httpClientService->newClient();
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try {
$response = $client->get(
$this->getAppStoreUrl() . '/content/data',
[
'timeout' => 20,
'query' => [
'version' => implode('x', $targetVersion),
'filter' => $filter,
'categories' => implode('x', $categories),
'sortmode' => 'new',
'page' => $page,
'pagesize' => 100,
'approved' => $filter
],
]
);
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} catch(\Exception $e) {
$this->logger->error(
sprintf('Could not get applications: %s', $e->getMessage()),
[
'app' => 'core',
]
);
return [];
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}
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$data = $this->loadData($response->getBody(), 'applications');
if($data === null) {
return [];
}
$tmp = $data->data->content;
$tmpCount = count($tmp);
$apps = [];
for ($i = 0; $i < $tmpCount; $i++) {
$app = [];
$app['id'] = (string)$tmp[$i]->id;
$app['name'] = (string)$tmp[$i]->name;
$app['label'] = (string)$tmp[$i]->label;
$app['version'] = (string)$tmp[$i]->version;
$app['type'] = (string)$tmp[$i]->typeid;
$app['typename'] = (string)$tmp[$i]->typename;
$app['personid'] = (string)$tmp[$i]->personid;
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$app['profilepage'] = (string)$tmp[$i]->profilepage;
$app['license'] = (string)$tmp[$i]->license;
$app['detailpage'] = (string)$tmp[$i]->detailpage;
$app['preview'] = (string)$tmp[$i]->smallpreviewpic1;
$app['preview-full'] = (string)$tmp[$i]->previewpic1;
$app['changed'] = strtotime($tmp[$i]->changed);
$app['description'] = (string)$tmp[$i]->description;
$app['score'] = (string)$tmp[$i]->score;
$app['downloads'] = (int)$tmp[$i]->downloads;
$app['level'] = (int)$tmp[$i]->approved;
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$apps[] = $app;
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}
return $apps;
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}
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/**
* Get an the applications from the OCS server
*
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* @param string $id
* @param array $targetVersion The target ownCloud version
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* @return array|null an array of application data or null
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*
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* This function returns an applications from the OCS server
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*/
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public function getApplication($id, array $targetVersion) {
if (!$this->isAppStoreEnabled()) {
return null;
}
$client = $this->httpClientService->newClient();
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try {
$response = $client->get(
$this->getAppStoreUrl() . '/content/data/' . urlencode($id),
[
'timeout' => 20,
'query' => [
'version' => implode('x', $targetVersion),
],
]
);
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} catch(\Exception $e) {
$this->logger->error(
sprintf('Could not get application: %s', $e->getMessage()),
[
'app' => 'core',
]
);
return null;
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}
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$data = $this->loadData($response->getBody(), 'application');
if($data === null) {
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return null;
}
$tmp = $data->data->content;
if (is_null($tmp)) {
\OCP\Util::writeLog('core', 'No update found at the ownCloud appstore for app ' . $id, \OCP\Util::DEBUG);
return null;
}
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$app = [];
$app['id'] = (int)$id;
$app['name'] = (string)$tmp->name;
$app['version'] = (string)$tmp->version;
$app['type'] = (string)$tmp->typeid;
$app['label'] = (string)$tmp->label;
$app['typename'] = (string)$tmp->typename;
$app['personid'] = (string)$tmp->personid;
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$app['profilepage'] = (string)$tmp->profilepage;
$app['detailpage'] = (string)$tmp->detailpage;
$app['preview1'] = (string)$tmp->smallpreviewpic1;
$app['preview2'] = (string)$tmp->smallpreviewpic2;
$app['preview3'] = (string)$tmp->smallpreviewpic3;
$app['changed'] = strtotime($tmp->changed);
$app['description'] = (string)$tmp->description;
$app['detailpage'] = (string)$tmp->detailpage;
$app['score'] = (int)$tmp->score;
$app['level'] = (int)$tmp->approved;
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return $app;
}
/**
* Get the download url for an application from the OCS server
* @param string $id
* @param array $targetVersion The target ownCloud version
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* @return array|null an array of application data or null
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*/
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public function getApplicationDownload($id, array $targetVersion) {
if (!$this->isAppStoreEnabled()) {
return null;
}
$url = $this->getAppStoreUrl() . '/content/download/' . urlencode($id) . '/1';
$client = $this->httpClientService->newClient();
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try {
$response = $client->get(
$url,
[
'timeout' => 20,
'query' => [
'version' => implode('x', $targetVersion),
],
]
);
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} catch(\Exception $e) {
$this->logger->error(
sprintf('Could not get application download URL: %s', $e->getMessage()),
[
'app' => 'core',
]
);
return null;
}
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$data = $this->loadData($response->getBody(), 'application download URL');
if($data === null) {
return null;
}
$tmp = $data->data->content;
$app = [];
if (isset($tmp->downloadlink)) {
$app['downloadlink'] = (string)$tmp->downloadlink;
} else {
$app['downloadlink'] = '';
}
return $app;
}
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}