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Refactor IStorage

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Philipp 2021-08-01 14:00:48 +02:00
parent 5dcdf2322e
commit 29c7552df5
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11 changed files with 121 additions and 55 deletions
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6
src/Console/Storage.php
View file

@ -131,10 +131,10 @@ HELP;
throw new CommandArgsException('Invalid arguments');
}
$name = $this->args[1];
$class = $this->storageManager->getByName($name);
$name = $this->args[1];
$class = $this->storageManager->getSelectableStorageByName($name);
if ($class === '') {
if (is_null($class)) {
$this->out($name . ' is not a registered backend.');
return -1;
}

90
src/Core/StorageManager.php
View file

@ -61,8 +61,6 @@ class StorageManager
private $logger;
/** @var L10n */
private $l10n;
/** @var IHTTPRequest */
private $httpRequest;
/** @var Storage\IStorage */
private $currentBackend;
@ -73,25 +71,24 @@ class StorageManager
* @param LoggerInterface $logger
* @param L10n $l10n
*/
public function __construct(Database $dba, IConfig $config, LoggerInterface $logger, L10n $l10n, IHTTPRequest $httpRequest)
public function __construct(Database $dba, IConfig $config, LoggerInterface $logger, L10n $l10n)
{
$this->dba = $dba;
$this->config = $config;
$this->logger = $logger;
$this->l10n = $l10n;
$this->httpRequest = $httpRequest;
$this->backends = $config->get('storage', 'backends', self::DEFAULT_BACKENDS);
$currentName = $this->config->get('storage', 'name', '');
// you can only use user backends as a "default" backend, so the second parameter is true
$this->currentBackend = $this->getByName($currentName, true);
$this->currentBackend = $this->getSelectableStorageByName($currentName);
}
/**
* Return current storage backend class
*
* @return Storage\IStorage|null
* @return Storage\ISelectableStorage|null
*/
public function getBackend()
{
@ -99,16 +96,15 @@ class StorageManager
}
/**
* Return storage backend class by registered name
* Returns a selectable storage backend class by registered name
*
* @param string|null $name Backend name
* @param boolean $onlyUserBackend True, if just user specific instances should be returrned (e.g. not SystemResource)
*
* @return Storage\IStorage|null null if no backend registered at $name
* @return Storage\ISelectableStorage|null null if no backend registered at $name
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function getByName(string $name = null, $onlyUserBackend = false)
public function getSelectableStorageByName(string $name = null)
{
// @todo 2020.09 Remove this call after 2 releases
$name = $this->checkLegacyBackend($name);
@ -116,22 +112,70 @@ class StorageManager
// If there's no cached instance create a new instance
if (!isset($this->backendInstances[$name])) {
// If the current name isn't a valid backend (or the SystemResource instance) create it
if ($this->isValidBackend($name, $onlyUserBackend)) {
if ($this->isValidBackend($name, true)) {
switch ($name) {
// Try the filesystem backend
case Storage\Filesystem::getName():
$this->backendInstances[$name] = new Storage\Filesystem($this->config, $this->logger, $this->l10n);
$this->backendInstances[$name] = new Storage\Filesystem($this->config, $this->l10n);
break;
// try the database backend
case Storage\Database::getName():
$this->backendInstances[$name] = new Storage\Database($this->dba, $this->logger, $this->l10n);
$this->backendInstances[$name] = new Storage\Database($this->dba);
break;
default:
$data = [
'name' => $name,
'storage' => null,
];
Hook::callAll('storage_instance', $data);
if (($data['storage'] ?? null) instanceof Storage\ISelectableStorage) {
$this->backendInstances[$data['name'] ?? $name] = $data['storage'];
} else {
return null;
}
break;
}
} else {
return null;
}
}
return $this->backendInstances[$name];
}
/**
* Return storage backend class by registered name
*
* @param string|null $name Backend name
*
* @return Storage\IStorage|null null if no backend registered at $name
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function getByName(string $name = null)
{
// @todo 2020.09 Remove this call after 2 releases
$name = $this->checkLegacyBackend($name);
// If there's no cached instance create a new instance
if (!isset($this->backendInstances[$name])) {
// If the current name isn't a valid backend (or the SystemResource instance) create it
if ($this->isValidBackend($name, false)) {
switch ($name) {
// Try the filesystem backend
case Storage\Filesystem::getName():
$this->backendInstances[$name] = new Storage\Filesystem($this->config, $this->l10n);
break;
// try the database backend
case Storage\Database::getName():
$this->backendInstances[$name] = new Storage\Database($this->dba);
break;
// at least, try if there's an addon for the backend
case Storage\SystemResource::getName():
$this->backendInstances[$name] = new Storage\SystemResource();
break;
case Storage\ExternalResource::getName():
$this->backendInstances[$name] = new Storage\ExternalResource($this->httpRequest);
$this->backendInstances[$name] = new Storage\ExternalResource();
break;
default:
$data = [
@ -190,18 +234,14 @@ class StorageManager
/**
* Set current storage backend class
*
* @param string $name Backend class name
* @param Storage\ISelectableStorage $storage The storage class
*
* @return boolean True, if the set was successful
*/
public function setBackend(string $name = null)
public function setBackend(Storage\ISelectableStorage $storage)
{
if (!$this->isValidBackend($name, false)) {
return false;
}
if ($this->config->set('storage', 'name', $name)) {
$this->currentBackend = $this->getByName($name, false);
if ($this->config->set('storage', 'name', $storage::getName())) {
$this->currentBackend = $storage;
return true;
} else {
return false;
@ -277,7 +317,7 @@ class StorageManager
* Copy existing data to destination storage and delete from source.
* This method cannot move to legacy in-table `data` field.
*
* @param Storage\IStorage $destination Destination storage class name
* @param Storage\ISelectableStorage $destination Destination storage class name
* @param array $tables Tables to look in for resources. Optional, defaults to ['photo', 'attach']
* @param int $limit Limit of the process batch size, defaults to 5000
*
@ -285,7 +325,7 @@ class StorageManager
* @throws Storage\StorageException
* @throws Exception
*/
public function move(Storage\IStorage $destination, array $tables = self::TABLES, int $limit = 5000)
public function move(Storage\ISelectableStorage $destination, array $tables = self::TABLES, int $limit = 5000)
{
if (!$this->isValidBackend($destination, true)) {
throw new Storage\StorageException(sprintf("Can't move to storage backend '%s'", $destination::getName()));
@ -304,7 +344,7 @@ class StorageManager
while ($resource = $this->dba->fetch($resources)) {
$id = $resource['id'];
$data = $resource['data'];
$source = $this->getByName($resource['backend-class']);
$source = $this->getSelectableStorageByName($resource['backend-class']);
$sourceRef = $resource['backend-ref'];
if (!empty($source)) {

4
src/DI.php
View file

@ -387,11 +387,11 @@ abstract class DI
}
/**
* @return Model\Storage\IStorage
* @return Model\Storage\ISelectableStorage
*/
public static function storage()
{
return self::$dice->create(Model\Storage\IStorage::class);
return self::$dice->create(Model\Storage\ISelectableStorage::class);
}
//

18
src/Model/Attach.php
View file

@ -25,6 +25,7 @@ use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\DI;
use Friendica\Model\Storage\ReferenceStorageException;
use Friendica\Object\Image;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Mimetype;
@ -173,7 +174,12 @@ class Attach
return $i['data'];
} else {
$backendRef = $item['backend-ref'];
return $backendClass->get($backendRef);
try {
return $backendClass->get($backendRef);
} catch (ReferenceStorageException $referenceStorageException) {
DI::logger()->debug('No data found for item', ['item' => $item, 'exception' => $referenceStorageException]);
return '';
}
}
}
@ -278,7 +284,7 @@ class Attach
$items = self::selectToArray(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$backend_class = DI::storageManager()->getByName($item['backend-class'] ?? '');
$backend_class = DI::storageManager()->getSelectableStorageByName($item['backend-class'] ?? '');
if (!empty($backend_class)) {
$fields['backend-ref'] = $backend_class->put($img->asString(), $item['backend-ref'] ?? '');
} else {
@ -310,9 +316,13 @@ class Attach
$items = self::selectToArray(['backend-class','backend-ref'], $conditions);
foreach($items as $item) {
$backend_class = DI::storageManager()->getByName($item['backend-class'] ?? '');
$backend_class = DI::storageManager()->getSelectableStorageByName($item['backend-class'] ?? '');
if (!empty($backend_class)) {
$backend_class->delete($item['backend-ref'] ?? '');
try {
$backend_class->delete($item['backend-ref'] ?? '');
} catch (ReferenceStorageException $referenceStorageException) {
DI::logger()->debug('Item doesn\'t exist.', ['conditions' => $conditions, 'exception' => $referenceStorageException]);
}
}
}

25
src/Model/Photo.php
View file

@ -28,6 +28,8 @@ use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\DI;
use Friendica\Model\Storage\ExternalResource;
use Friendica\Model\Storage\ReferenceStorageException;
use Friendica\Model\Storage\StorageException;
use Friendica\Model\Storage\SystemResource;
use Friendica\Object\Image;
use Friendica\Util\DateTimeFormat;
@ -183,9 +185,10 @@ class Photo
*
* @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
*
* @return \Friendica\Object\Image
* @return \Friendica\Object\Image|string
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
* @throws StorageException
*/
public static function getImageDataForPhoto(array $photo)
{
@ -198,12 +201,17 @@ class Photo
// legacy data storage in "data" column
$i = self::selectFirst(['data'], ['id' => $photo['id']]);
if ($i === false) {
return null;
return '';
}
$data = $i['data'];
} else {
$backendRef = $photo['backend-ref'] ?? '';
$data = $backendClass->get($backendRef);
try {
$data = $backendClass->get($backendRef);
} catch (ReferenceStorageException $referenceStorageException) {
DI::logger()->debug('No data found for photo', ['photo' => $photo, 'exception' => $referenceStorageException]);
return '';
}
}
return $data;
}
@ -339,7 +347,7 @@ class Photo
if (DBA::isResult($existing_photo)) {
$backend_ref = (string)$existing_photo["backend-ref"];
$storage = DI::storageManager()->getByName($existing_photo["backend-class"] ?? '');
$storage = DI::storageManager()->getSelectableStorageByName($existing_photo["backend-class"] ?? '');
} else {
$storage = DI::storage();
}
@ -403,11 +411,14 @@ class Photo
$photos = DBA::select('photo', ['id', 'backend-class', 'backend-ref'], $conditions);
while ($photo = DBA::fetch($photos)) {
$backend_class = DI::storageManager()->getByName($photo['backend-class'] ?? '');
$backend_class = DI::storageManager()->getSelectableStorageByName($photo['backend-class'] ?? '');
if (!empty($backend_class)) {
if ($backend_class->delete($photo["backend-ref"] ?? '')) {
try {
$backend_class->delete($item['backend-ref'] ?? '');
// Delete the photos after they had been deleted successfully
DBA::delete("photo", ['id' => $photo['id']]);
} catch (ReferenceStorageException $referenceStorageException) {
DI::logger()->debug('phot doesn\'t exist.', ['conditions' => $conditions, 'exception' => $referenceStorageException]);
}
}
}
@ -437,7 +448,7 @@ class Photo
$photos = self::selectToArray(['backend-class', 'backend-ref'], $conditions);
foreach($photos as $photo) {
$backend_class = DI::storageManager()->getByName($photo['backend-class'] ?? '');
$backend_class = DI::storageManager()->getSelectableStorageByName($photo['backend-class'] ?? '');
if (!empty($backend_class)) {
$fields["backend-ref"] = $backend_class->put($img->asString(), $photo['backend-ref']);
} else {

4
src/Model/Storage/ExternalResource.php
View file

@ -52,12 +52,12 @@ class ExternalResource implements IStorage
try {
$fetchResult = HTTPSignature::fetchRaw($data->url, $data->uid, ['accept_content' => '']);
} catch (Exception $exception) {
throw new StorageException(sprintf('External resource failed to get %s', $reference), $exception->getCode(), $exception);
throw new ReferenceStorageException(sprintf('External resource failed to get %s', $reference), $exception->getCode(), $exception);
}
if ($fetchResult->isSuccess()) {
return $fetchResult->getBody();
} else {
throw new StorageException(sprintf('External resource failed to get %s', $reference), $fetchResult->getReturnCode(), new Exception($fetchResult->getBody()));
throw new ReferenceStorageException(sprintf('External resource failed to get %s', $reference), $fetchResult->getReturnCode(), new Exception($fetchResult->getBody()));
}
}

2
src/Model/Storage/Filesystem.php
View file

@ -131,6 +131,8 @@ class Filesystem implements ISelectableStorage
if ($result === false) {
throw new StorageException(sprintf('Filesystem storage failed to get data to "%s". Check your write permissions', $file));
}
return $result;
}
/**

17
src/Module/Admin/Storage.php
View file

@ -23,7 +23,7 @@ namespace Friendica\Module\Admin;
use Friendica\Core\Renderer;
use Friendica\DI;
use Friendica\Model\Storage\IStorage;
use Friendica\Model\Storage\ISelectableStorage;
use Friendica\Module\BaseAdmin;
use Friendica\Util\Strings;
@ -37,8 +37,8 @@ class Storage extends BaseAdmin
$storagebackend = Strings::escapeTags(trim($parameters['name'] ?? ''));
/** @var IStorage $newstorage */
$newstorage = DI::storageManager()->getByName($storagebackend);
/** @var ISelectableStorage $newstorage */
$newstorage = DI::storageManager()->getSelectableStorageByName($storagebackend);
// save storage backend form
$storage_opts = $newstorage->getOptions();
@ -68,7 +68,10 @@ class Storage extends BaseAdmin
}
if (!empty($_POST['submit_save_set'])) {
if (empty($storagebackend) || !DI::storageManager()->setBackend($storagebackend)) {
/** @var ISelectableStorage $newstorage */
$newstorage = DI::storageManager()->getSelectableStorageByName($storagebackend);
if (!DI::storageManager()->setBackend($newstorage)) {
notice(DI::l10n()->t('Invalid storage backend setting value.'));
}
}
@ -89,7 +92,7 @@ class Storage extends BaseAdmin
$storage_form_prefix = preg_replace('|[^a-zA-Z0-9]|', '', $name);
$storage_form = [];
foreach (DI::storageManager()->getByName($name)->getOptions() as $option => $info) {
foreach (DI::storageManager()->getSelectableStorageByName($name)->getOptions() as $option => $info) {
$type = $info[0];
// Backward compatibilty with yesno field description
if ($type == 'yesno') {
@ -108,7 +111,7 @@ class Storage extends BaseAdmin
'name' => $name,
'prefix' => $storage_form_prefix,
'form' => $storage_form,
'active' => $current_storage_backend instanceof IStorage && $name === $current_storage_backend::getName(),
'active' => $current_storage_backend instanceof ISelectableStorage && $name === $current_storage_backend::getName(),
];
}
@ -124,7 +127,7 @@ class Storage extends BaseAdmin
'$noconfig' => DI::l10n()->t('This backend doesn\'t have custom settings'),
'$baseurl' => DI::baseUrl()->get(true),
'$form_security_token' => self::getFormSecurityToken("admin_storage"),
'$storagebackend' => $current_storage_backend instanceof IStorage ? $current_storage_backend::getName() : DI::l10n()->t('Database (legacy)'),
'$storagebackend' => $current_storage_backend instanceof ISelectableStorage ? $current_storage_backend::getName() : DI::l10n()->t('Database (legacy)'),
'$availablestorageforms' => $available_storage_forms,
]);
}

2
src/Worker/MoveStorage.php
View file

@ -34,7 +34,7 @@ class MoveStorage
public static function execute()
{
$current = DI::storage();
$moved = DI::storageManager()->move($current);
$moved = DI::storageManager()->move($current);
if ($moved) {
Worker::add(PRIORITY_LOW, 'MoveStorage');

4
static/dependencies.config.php
View file

@ -44,7 +44,7 @@ use Friendica\Core\Session\ISession;
use Friendica\Core\StorageManager;
use Friendica\Database\Database;
use Friendica\Factory;
use Friendica\Model\Storage\IStorage;
use Friendica\Model\Storage\ISelectableStorage;
use Friendica\Model\User\Cookie;
use Friendica\Network;
use Friendica\Util;
@ -213,7 +213,7 @@ return [
$_SERVER, $_COOKIE
],
],
IStorage::class => [
ISelectableStorage::class => [
'instanceOf' => StorageManager::class,
'call' => [
['getBackend', [], Dice::CHAIN_CALL],

4
tests/src/Core/StorageManagerTest.php
View file

@ -309,7 +309,7 @@ class StorageManagerTest extends DatabaseTest
$this->loadFixture(__DIR__ . '/../../datasets/storage/database.fixture.php', $this->dba);
$storageManager = new StorageManager($this->dba, $this->config, $this->logger, $this->l10n, $this->httpRequest);
$storage = $storageManager->getByName($name);
$storage = $storageManager->getSelectableStorageByName($name);
$storageManager->move($storage);
$photos = $this->dba->select('photo', ['backend-ref', 'backend-class', 'id', 'data']);
@ -334,7 +334,7 @@ class StorageManagerTest extends DatabaseTest
$this->expectException(StorageException::class);
$storageManager = new StorageManager($this->dba, $this->config, $this->logger, $this->l10n, $this->httpRequest);
$storage = $storageManager->getByName(Storage\SystemResource::getName());
$storage = $storageManager->getSelectableStorageByName(Storage\SystemResource::getName());
$storageManager->move($storage);
}
}