package lfs import ( "crypto/sha256" "encoding/hex" "errors" "io" "os" "path/filepath" "code.gitea.io/gitea/models" ) var ( errHashMismatch = errors.New("Content hash does not match OID") errSizeMismatch = errors.New("Content size does not match") ) // ContentStore provides a simple file system based storage. type ContentStore struct { BasePath string } // Get takes a Meta object and retrieves the content from the store, returning // it as an io.Reader. If fromByte > 0, the reader starts from that byte func (s *ContentStore) Get(meta *models.LFSMetaObject, fromByte int64) (io.ReadCloser, error) { path := filepath.Join(s.BasePath, transformKey(meta.Oid)) f, err := os.Open(path) if err != nil { return nil, err } if fromByte > 0 { _, err = f.Seek(fromByte, os.SEEK_CUR) } return f, err } // Put takes a Meta object and an io.Reader and writes the content to the store. func (s *ContentStore) Put(meta *models.LFSMetaObject, r io.Reader) error { path := filepath.Join(s.BasePath, transformKey(meta.Oid)) tmpPath := path + ".tmp" dir := filepath.Dir(path) if err := os.MkdirAll(dir, 0750); err != nil { return err } file, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_WRONLY|os.O_EXCL, 0640) if err != nil { return err } defer os.Remove(tmpPath) hash := sha256.New() hw := io.MultiWriter(hash, file) written, err := io.Copy(hw, r) if err != nil { file.Close() return err } file.Close() if written != meta.Size { return errSizeMismatch } shaStr := hex.EncodeToString(hash.Sum(nil)) if shaStr != meta.Oid { return errHashMismatch } return os.Rename(tmpPath, path) } // Exists returns true if the object exists in the content store. func (s *ContentStore) Exists(meta *models.LFSMetaObject) bool { path := filepath.Join(s.BasePath, transformKey(meta.Oid)) if _, err := os.Stat(path); os.IsNotExist(err) { return false } return true } // Verify returns true if the object exists in the content store and size is correct. func (s *ContentStore) Verify(meta *models.LFSMetaObject) (bool, error) { path := filepath.Join(s.BasePath, transformKey(meta.Oid)) fi, err := os.Stat(path) if os.IsNotExist(err) || err == nil && fi.Size() != meta.Size { return false, nil } else if err != nil { return false, err } return true, nil } func transformKey(key string) string { if len(key) < 5 { return key } return filepath.Join(key[0:2], key[2:4], key[4:]) } -event-listeners'>admin_audit/enh/move-to-event-listeners Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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path: root/apps/updatenotification/controller/admincontroller.php
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<?php
/**
 * @author Lukas Reschke <lukas@owncloud.com>
 *
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * 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.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\UpdateNotification\Controller;

use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\IConfig;
use OCP\IRequest;
use OCP\Security\ISecureRandom;

class AdminController extends Controller {
	/** @var IJobList */
	private $jobList;
	/** @var ISecureRandom */
	private $secureRandom;
	/** @var IConfig */
	private $config;
	/** @var ITimeFactory */
	private $timeFactory;

	/**
	 * @param string $appName
	 * @param IRequest $request
	 * @param IJobList $jobList
	 * @param ISecureRandom $secureRandom
	 * @param IConfig $config
	 * @param ITimeFactory $timeFactory
	 */
	public function __construct($appName,
								IRequest $request,
								IJobList $jobList,
								ISecureRandom $secureRandom,
								IConfig $config,
								ITimeFactory $timeFactory) {
		parent::__construct($appName, $request);
		$this->jobList = $jobList;
		$this->secureRandom = $secureRandom;
		$this->config = $config;
		$this->timeFactory = $timeFactory;
	}

	/**
	 * @return TemplateResponse
	 */
	public function displayPanel() {
		return new TemplateResponse($this->appName, 'admin', [], '');
	}

	/**
	 * @return DataResponse
	 */
	public function createCredentials() {
		// Create a new job and store the creation date
		$this->jobList->add('OCA\UpdateNotification\ResetTokenBackgroundJob');
		$this->config->setAppValue('core', 'updater.secret.created', $this->timeFactory->getTime());

		// Create a new token
		$newToken = $this->secureRandom->generate(64);
		$this->config->setSystemValue('updater.secret', password_hash($newToken, PASSWORD_DEFAULT));

		return new DataResponse($newToken);
	}
}
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