Use new appstore API

This change introduces the new appstore API in Nextcloud.

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

5 files changed, 305 insertions, 0 deletions

diff --git a/lib/private/App/AppStore/Fetcher/AppFetcher.php b/lib/private/App/AppStore/Fetcher/AppFetcher.php
new file mode 100644
index 00000000000..2a39b047a5a
--- /dev/null
+++ b/lib/private/App/AppStore/Fetcher/AppFetcher.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\App\AppStore\Fetcher;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IAppData;
+use OCP\Http\Client\IClientService;
+use OCP\IConfig;
+
+class AppFetcher extends Fetcher {
+	/**
+	 * @param IAppData $appData
+	 * @param IClientService $clientService
+	 * @param ITimeFactory $timeFactory
+	 * @param IConfig $config;
+	 */
+	public function __construct(IAppData $appData,
+								IClientService $clientService,
+								ITimeFactory $timeFactory,
+								IConfig $config) {
+		parent::__construct(
+			$appData,
+			$clientService,
+			$timeFactory
+		);
+
+		$this->fileName = 'apps.json';
+		$this->endpointUrl = sprintf(
+			'https://apps.nextcloud.com/api/v1/platform/%s/apps.json',
+			substr(implode(\OC_Util::getVersion(), '.'), 0, 5)
+		);
+	}
+}
diff --git a/lib/private/App/AppStore/Fetcher/CategoryFetcher.php b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
new file mode 100644
index 00000000000..74201ec3737
--- /dev/null
+++ b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\App\AppStore\Fetcher;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IAppData;
+use OCP\Http\Client\IClientService;
+
+class CategoryFetcher extends Fetcher {
+	/**
+	 * @param IAppData $appData
+	 * @param IClientService $clientService
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct(IAppData $appData,
+								IClientService $clientService,
+								ITimeFactory $timeFactory) {
+		parent::__construct(
+			$appData,
+			$clientService,
+			$timeFactory
+		);
+		$this->fileName = 'categories.json';
+		$this->endpointUrl = 'https://apps.nextcloud.com/api/v1/categories.json';
+	}
+}
diff --git a/lib/private/App/AppStore/Fetcher/Fetcher.php b/lib/private/App/AppStore/Fetcher/Fetcher.php
new file mode 100644
index 00000000000..cffff9176e2
--- /dev/null
+++ b/lib/private/App/AppStore/Fetcher/Fetcher.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\App\AppStore\Fetcher;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IAppData;
+use OCP\Files\NotFoundException;
+use OCP\Http\Client\IClientService;
+
+abstract class Fetcher {
+	const INVALIDATE_AFTER_SECONDS = 300;
+
+	/** @var IAppData */
+	private $appData;
+	/** @var IClientService */
+	private $clientService;
+	/** @var ITimeFactory */
+	private $timeFactory;
+	/** @var string */
+	protected $fileName;
+	/** @var string */
+	protected $endpointUrl;
+
+	/**
+	 * @param IAppData $appData
+	 * @param IClientService $clientService
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct(IAppData $appData,
+								IClientService $clientService,
+								ITimeFactory $timeFactory) {
+		$this->appData = $appData;
+		$this->clientService = $clientService;
+		$this->timeFactory = $timeFactory;
+	}
+
+	/**
+	 * Returns the array with the categories on the appstore server
+	 *
+	 * @return array
+	 */
+	 public function get() {
+		$rootFolder = $this->appData->getFolder('/');
+
+		try {
+			// File does already exists
+			$file = $rootFolder->getFile($this->fileName);
+			$jsonBlob = json_decode($file->getContent(), true);
+			if(is_array($jsonBlob)) {
+				// If the timestamp is older than 300 seconds request the files new
+				if((int)$jsonBlob['timestamp'] > ($this->timeFactory->getTime() - self::INVALIDATE_AFTER_SECONDS)) {
+					return $jsonBlob['data'];
+				}
+			}
+		} catch (NotFoundException $e) {
+			// File does not already exists
+			$file = $rootFolder->newFile($this->fileName);
+		}
+
+		// Refresh the file content
+		$client = $this->clientService->newClient();
+		try {
+			$response = $client->get($this->endpointUrl);
+			$responseJson = [];
+			$responseJson['data'] = json_decode($response->getBody(), true);
+			$responseJson['timestamp'] = $this->timeFactory->getTime();
+			$file->putContent(json_encode($responseJson));
+			return json_decode($file->getContent(), true)['data'];
+		} catch (\Exception $e) {
+			return [];
+		}
+	}
+}
diff --git a/lib/private/App/AppStore/Version/Version.php b/lib/private/App/AppStore/Version/Version.php
new file mode 100644
index 00000000000..ca182ae078b
--- /dev/null
+++ b/lib/private/App/AppStore/Version/Version.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\App\AppStore\Version;
+
+class Version {
+	/** @var string */
+	private $minVersion;
+	/** @var string */
+	private $maxVersion;
+
+	/**
+	 * @param string $minVersion
+	 * @param string $maxVersion
+	 */
+	public function __construct($minVersion, $maxVersion) {
+		$this->minVersion = $minVersion;
+		$this->maxVersion = $maxVersion;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getMinimumVersion() {
+		return $this->minVersion;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getMaximumVersion() {
+		return $this->maxVersion;
+	}
+}
diff --git a/lib/private/App/AppStore/Version/VersionParser.php b/lib/private/App/AppStore/Version/VersionParser.php
new file mode 100644
index 00000000000..1058a8bc0fa
--- /dev/null
+++ b/lib/private/App/AppStore/Version/VersionParser.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\App\AppStore\Version;
+
+/**
+ * Class VersionParser parses the versions as sent by the Nextcloud app store
+ *
+ * @package OC\App\AppStore
+ */
+class VersionParser {
+	/**
+	 * Returns the version for a version string
+	 *
+	 * @param string $versionSpec
+	 * @return Version
+	 * @throws \Exception If the version cannot be parsed
+	 */
+	public function getVersion($versionSpec) {
+		// * indicates that the version is compatible with all versions
+		if($versionSpec === '*') {
+			return new Version('', '');
+		}
+
+		// Count the amount of =, if it is one then it's either maximum or minimum
+		// version. If it is two then it is maximum and minimum.
+		if (preg_match_all('/(?:>|<)(?:=|)[0-9.]+/', $versionSpec, $matches)) {
+			switch(count($matches[0])) {
+				case 1:
+					if(substr($matches[0][0], 0, 1) === '>') {
+						return new Version(substr($matches[0][0], 2), '');
+					} else {
+						return new Version('', substr($matches[0][0], 2));
+					}
+					break;
+				case 2:
+					return new Version(substr($matches[0][0], 2), substr($matches[0][1], 2));
+					break;
+				default:
+					throw new \Exception('Version cannot be parsed');
+			}
+		}
+
+		throw new \Exception('Version cannot be parsed');
+	}
+}