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<?php |
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declare(strict_types=1); |
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/** |
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* balloon |
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* |
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* @copyright Copryright (c) 2012-2019 gyselroth GmbH (https://gyselroth.com) |
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* @license GPL-3.0 https://opensource.org/licenses/GPL-3.0 |
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*/ |
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namespace Balloon\Session; |
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use Balloon\Filesystem\Node\Collection; |
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use Balloon\Server\User; |
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use Balloon\Session; |
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use MongoDB\BSON\ObjectIdInterface; |
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use MongoDB\BSON\UTCDateTime; |
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use MongoDB\Database; |
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class Factory |
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{ |
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/** |
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* Collection name. |
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*/ |
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public const COLLECTION_NAME = 'sessions'; |
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/** |
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* Database. |
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* |
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* @var Database |
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*/ |
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protected $db; |
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/** |
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* Initialize. |
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*/ |
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public function __construct(Database $db) |
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{ |
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$this->db = $db; |
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} |
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/** |
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* Prepare query. |
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*/ |
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public function prepareQuery(User $user, ?array $query = null): array |
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{ |
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$filter = [ |
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'owner' => $user->getId(), |
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]; |
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if (!empty($query)) { |
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$filter = [ |
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'$and' => [$filter, $query], |
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]; |
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} |
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return $filter; |
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} |
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/** |
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* Get session. |
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*/ |
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public function getOne(User $user, ObjectIdInterface $id): SessionInterface |
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{ |
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$result = $this->db->{self::COLLECTION_NAME}->findOne([ |
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'owner' => $user->getId(), |
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'_id' => $id, |
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]); |
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if ($result === null) { |
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throw new Exception\NotFound('session '.$id.' is not registered'); |
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} |
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return $this->build($result); |
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} |
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/** |
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* Delete by name. |
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*/ |
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public function deleteOne(ObjectIdInterface $id): bool |
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{ |
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$this->db->{self::COLLECTION_NAME}->deleteOne([ |
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'_id' => $id, |
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]); |
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return true; |
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} |
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/** |
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* Update. |
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*/ |
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public function update(User $user, SessionInterface $resource, Collection $parent, $stream): bool |
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{ |
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if ($resource->isFinalized()) { |
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throw new Exception\Closed('This session has been finalized and can not be updated.'); |
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} |
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$ctx = $resource->getHashContext(); |
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$size = md5_update_stream($ctx, $stream); |
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rewind($stream); |
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$storage = $parent->getStorage(); |
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$session = $storage->storeTemporaryFile($stream, $user, $resource->getId()); |
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$size = $resource->getSize() + $size; |
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$data = [ |
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'$set' => [ |
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'size' => $size, |
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'changed' => new UTCDateTime(), |
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], |
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]; |
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if ($size % 64 !== 0) { |
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$data['$set']['hash'] = md5_final($ctx); |
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} else { |
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$data['$set']['context'] = serialize($ctx); |
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} |
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$resource->set(array_merge(['size' => $size], $data['$set'])); |
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$this->db->{self::COLLECTION_NAME}->updateOne([ |
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'_id' => $resource->getId(), |
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'owner' => $user->getId(), |
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], $data); |
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return true; |
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} |
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/** |
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* Add session. |
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*/ |
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public function add(User $user, Collection $parent, $stream): SessionInterface |
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{ |
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$ctx = md5_init(); |
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$size = md5_update_stream($ctx, $stream); |
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rewind($stream); |
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$storage = $parent->getStorage(); |
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$session = $storage->storeTemporaryFile($stream, $user); |
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$resource = [ |
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'_id' => $session, |
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'kind' => 'Session', |
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'created' => new UTCDateTime(), |
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'changed' => new UTCDateTime(), |
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'parent' => $parent->getId(), |
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'size' => $size, |
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'owner' => $user->getId(), |
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]; |
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if ($size % 64 !== 0) { |
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$resource['hash'] = md5_final($ctx); |
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} else { |
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$resource['context'] = serialize($ctx); |
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} |
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$this->db->{self::COLLECTION_NAME}->insertOne($resource); |
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return $this->build($resource); |
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} |
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/** |
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* Build instance. |
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*/ |
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public function build(array $resource): SessionInterface |
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{ |
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return new Session($resource); |
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} |
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} |
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gyselroth /
balloon
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.