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Split IStorage and ISelectableStorage and make their behaviour homogenous

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Philipp 2021-08-01 13:06:19 +02:00
parent e205bd450e
commit 5dcdf2322e
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9 changed files with 216 additions and 229 deletions
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66
src/Model/Storage/Database.php
View file

@ -21,8 +21,7 @@
namespace Friendica\Model\Storage;
use Friendica\Core\L10n;
use Psr\Log\LoggerInterface;
use Exception;
use Friendica\Database\Database as DBA;
/**
@ -30,7 +29,7 @@ use Friendica\Database\Database as DBA;
*
* This class manage data stored in database table.
*/
class Database extends AbstractStorage
class Database implements ISelectableStorage
{
const NAME = 'Database';
@ -39,47 +38,53 @@ class Database extends AbstractStorage
/**
* @param DBA $dba
* @param LoggerInterface $logger
* @param L10n $l10n
*/
public function __construct(DBA $dba, LoggerInterface $logger, L10n $l10n)
public function __construct(DBA $dba)
{
parent::__construct($l10n, $logger);
$this->dba = $dba;
}
/**
* @inheritDoc
*/
public function get(string $reference)
public function get(string $reference): string
{
$result = $this->dba->selectFirst('storage', ['data'], ['id' => $reference]);
if (!$this->dba->isResult($result)) {
return '';
}
try {
$result = $this->dba->selectFirst('storage', ['data'], ['id' => $reference]);
if (!$this->dba->isResult($result)) {
throw new ReferenceStorageException(sprintf('Database storage cannot find data for reference %s', $reference));
}
return $result['data'];
return $result['data'];
} catch (Exception $exception) {
throw new StorageException(sprintf('Database storage failed to get %s', $reference), $exception->getCode(), $exception);
}
}
/**
* @inheritDoc
*/
public function put(string $data, string $reference = '')
public function put(string $data, string $reference = ''): string
{
if ($reference !== '') {
$result = $this->dba->update('storage', ['data' => $data], ['id' => $reference]);
try {
$result = $this->dba->update('storage', ['data' => $data], ['id' => $reference]);
} catch (Exception $exception) {
throw new StorageException(sprintf('Database storage failed to update %s', $reference), $exception->getCode(), $exception);
}
if ($result === false) {
$this->logger->warning('Failed to update data.', ['id' => $reference, 'errorCode' => $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
throw new StorageException($this->l10n->t('Database storage failed to update %s', $reference));
throw new StorageException(sprintf('Database storage failed to update %s', $reference), 500, new Exception($this->dba->errorMessage(), $this->dba->errorNo()));
}
return $reference;
} else {
$result = $this->dba->insert('storage', ['data' => $data]);
try {
$result = $this->dba->insert('storage', ['data' => $data]);
} catch (Exception $exception) {
throw new StorageException(sprintf('Database storage failed to insert %s', $reference), $exception->getCode(), $exception);
}
if ($result === false) {
$this->logger->warning('Failed to insert data.', ['errorCode' => $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
throw new StorageException($this->l10n->t('Database storage failed to insert data'));
throw new StorageException(sprintf('Database storage failed to update %s', $reference), 500, new Exception($this->dba->errorMessage(), $this->dba->errorNo()));
}
return $this->dba->lastInsertId();
@ -91,13 +96,19 @@ class Database extends AbstractStorage
*/
public function delete(string $reference)
{
return $this->dba->delete('storage', ['id' => $reference]);
try {
if (!$this->dba->delete('storage', ['id' => $reference])) {
throw new ReferenceStorageException(sprintf('Database storage failed to delete %s', $reference));
}
} catch (Exception $exception) {
throw new StorageException(sprintf('Database storage failed to delete %s', $reference), $exception->getCode(), $exception);
}
}
/**
* @inheritDoc
*/
public function getOptions()
public function getOptions(): array
{
return [];
}
@ -105,7 +116,7 @@ class Database extends AbstractStorage
/**
* @inheritDoc
*/
public function saveOptions(array $data)
public function saveOptions(array $data): array
{
return [];
}
@ -113,8 +124,13 @@ class Database extends AbstractStorage
/**
* @inheritDoc
*/
public static function getName()
public static function getName(): string
{
return self::NAME;
}
public function __toString()
{
return self::getName();
}
}

56
src/Model/Storage/ExternalResource.php
View file

@ -21,9 +21,8 @@
namespace Friendica\Model\Storage;
use BadMethodCallException;
use Exception;
use Friendica\Util\HTTPSignature;
use Friendica\Network\IHTTPRequest;
/**
* External resource storage class
@ -35,66 +34,33 @@ class ExternalResource implements IStorage
{
const NAME = 'ExternalResource';
/** @var IHTTPRequest */
private $httpRequest;
public function __construct(IHTTPRequest $httpRequest)
{
$this->httpRequest = $httpRequest;
}
/**
* @inheritDoc
*/
public function get(string $reference)
public function get(string $reference): string
{
$data = json_decode($reference);
if (empty($data->url)) {
return "";
throw new ReferenceStorageException(sprintf('Invalid reference %s, cannot retrieve URL', $reference));
}
$parts = parse_url($data->url);
if (empty($parts['scheme']) || empty($parts['host'])) {
return "";
throw new ReferenceStorageException(sprintf('Invalid reference %s, cannot extract scheme and host', $reference));
}
$fetchResult = HTTPSignature::fetchRaw($data->url, $data->uid, ['accept_content' => '']);
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(), $exception);
}
if ($fetchResult->isSuccess()) {
return $fetchResult->getBody();
} else {
return "";
throw new StorageException(sprintf('External resource failed to get %s', $reference), $fetchResult->getReturnCode(), new Exception($fetchResult->getBody()));
}
}
/**
* @inheritDoc
*/
public function put(string $data, string $reference = '')
{
throw new BadMethodCallException();
}
public function delete(string $reference)
{
throw new BadMethodCallException();
}
/**
* @inheritDoc
*/
public function getOptions()
{
return [];
}
/**
* @inheritDoc
*/
public function saveOptions(array $data)
{
return [];
}
/**
* @inheritDoc
*/
@ -106,7 +72,7 @@ class ExternalResource implements IStorage
/**
* @inheritDoc
*/
public static function getName()
public static function getName(): string
{
return self::NAME;
}

61
src/Model/Storage/Filesystem.php
View file

@ -21,10 +21,10 @@
namespace Friendica\Model\Storage;
use Exception;
use Friendica\Core\Config\IConfig;
use Friendica\Core\L10n;
use Friendica\Util\Strings;
use Psr\Log\LoggerInterface;
/**
* Filesystem based storage backend
@ -36,7 +36,7 @@ use Psr\Log\LoggerInterface;
* Each new resource gets a value as reference and is saved in a
* folder tree stucture created from that value.
*/
class Filesystem extends AbstractStorage
class Filesystem implements ISelectableStorage
{
const NAME = 'Filesystem';
@ -49,18 +49,19 @@ class Filesystem extends AbstractStorage
/** @var string */
private $basePath;
/** @var L10n */
private $l10n;
/**
* Filesystem constructor.
*
* @param IConfig $config
* @param LoggerInterface $logger
* @param L10n $l10n
*/
public function __construct(IConfig $config, LoggerInterface $logger, L10n $l10n)
public function __construct(IConfig $config, L10n $l10n)
{
parent::__construct($l10n, $logger);
$this->config = $config;
$this->l10n = $l10n;
$path = $this->config->get('storage', 'filesystem_path', self::DEFAULT_BASE_FOLDER);
$this->basePath = rtrim($path, '/');
@ -73,7 +74,7 @@ class Filesystem extends AbstractStorage
*
* @return string
*/
private function pathForRef(string $reference)
private function pathForRef(string $reference): string
{
$fold1 = substr($reference, 0, 2);
$fold2 = substr($reference, 2, 2);
@ -84,7 +85,7 @@ class Filesystem extends AbstractStorage
/**
* Create dirctory tree to store file, with .htaccess and index.html files
* Create directory tree to store file, with .htaccess and index.html files
*
* @param string $file Path and filename
*
@ -96,8 +97,7 @@ class Filesystem extends AbstractStorage
if (!is_dir($path)) {
if (!mkdir($path, 0770, true)) {
$this->logger->warning('Failed to create dir.', ['path' => $path]);
throw new StorageException($this->l10n->t('Filesystem storage failed to create "%s". Check you write permissions.', $path));
throw new StorageException(sprintf('Filesystem storage failed to create "%s". Check you write permissions.', $path));
}
}
@ -118,23 +118,32 @@ class Filesystem extends AbstractStorage
/**
* @inheritDoc
*/
public function get(string $reference)
public function get(string $reference): string
{
$file = $this->pathForRef($reference);
if (!is_file($file)) {
return '';
throw new ReferenceStorageException(sprintf('Filesystem storage failed to get the file %s, The file is invalid', $reference));
}
return file_get_contents($file);
$result = file_get_contents($file);
// just in case the result is REALLY false, not zero or empty or anything else, throw the exception
if ($result === false) {
throw new StorageException(sprintf('Filesystem storage failed to get data to "%s". Check your write permissions', $file));
}
}
/**
* @inheritDoc
*/
public function put(string $data, string $reference = '')
public function put(string $data, string $reference = ''): string
{
if ($reference === '') {
$reference = Strings::getRandomHex();
try {
$reference = Strings::getRandomHex();
} catch (Exception $exception) {
throw new StorageException('Filesystem storage failed to generate a random hex', $exception->getCode(), $exception);
}
}
$file = $this->pathForRef($reference);
@ -144,8 +153,7 @@ class Filesystem extends AbstractStorage
// just in case the result is REALLY false, not zero or empty or anything else, throw the exception
if ($result === false) {
$this->logger->warning('Failed to write data.', ['file' => $file]);
throw new StorageException($this->l10n->t('Filesystem storage failed to save data to "%s". Check your write permissions', $file));
throw new StorageException(sprintf('Filesystem storage failed to save data to "%s". Check your write permissions', $file));
}
chmod($file, 0660);
@ -158,17 +166,19 @@ class Filesystem extends AbstractStorage
public function delete(string $reference)
{
$file = $this->pathForRef($reference);
// return true if file doesn't exists. we want to delete it: success with zero work!
if (!is_file($file)) {
return true;
throw new ReferenceStorageException(sprintf('File with reference "%s" doesn\'t exist', $reference));
}
if (!unlink($file)) {
throw new StorageException(sprintf('Cannot delete with file with reference "%s"', $reference));
}
return unlink($file);
}
/**
* @inheritDoc
*/
public function getOptions()
public function getOptions(): array
{
return [
'storagepath' => [
@ -183,7 +193,7 @@ class Filesystem extends AbstractStorage
/**
* @inheritDoc
*/
public function saveOptions(array $data)
public function saveOptions(array $data): array
{
$storagePath = $data['storagepath'] ?? '';
if ($storagePath === '' || !is_dir($storagePath)) {
@ -199,8 +209,13 @@ class Filesystem extends AbstractStorage
/**
* @inheritDoc
*/
public static function getName()
public static function getName(): string
{
return self::NAME;
}
public function __toString()
{
return self::getName();
}
}

100
src/Model/Storage/ISelectableStorage.php Normal file
View file

@ -0,0 +1,100 @@
<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model\Storage;
/**
* Interface for selectable storage backends
*/
interface ISelectableStorage extends IStorage
{
/**
* Put data in backend as $ref. If $ref is not defined a new reference is created.
*
* @param string $data Data to save
* @param string $reference Data reference. Optional.
*
* @return string Saved data reference
*
* @throws StorageException in case there's an unexpected error
*/
public function put(string $data, string $reference = ""): string;
/**
* Remove data from backend
*
* @param string $reference Data reference
*
* @throws StorageException in case there's an unexpected error
* @throws ReferenceStorageException in case the reference doesn't exist
*/
public function delete(string $reference);
/**
* Get info about storage options
*
* @return array
*
* This method return an array with informations about storage options
* from which the form presented to the user is build.
*
* The returned array is:
*
* [
* 'option1name' => [ ..info.. ],
* 'option2name' => [ ..info.. ],
* ...
* ]
*
* An empty array can be returned if backend doesn't have any options
*
* The info array for each option MUST be as follows:
*
* [
* 'type', // define the field used in form, and the type of data.
* // one of 'checkbox', 'combobox', 'custom', 'datetime',
* // 'input', 'intcheckbox', 'password', 'radio', 'richtext'
* // 'select', 'select_raw', 'textarea'
*
* 'label', // Translatable label of the field
* 'value', // Current value
* 'help text', // Translatable description for the field
* extra data // Optional. Depends on 'type':
* // select: array [ value => label ] of choices
* // intcheckbox: value of input element
* // select_raw: prebuild html string of < option > tags
* ]
*
* See https://github.com/friendica/friendica/wiki/Quick-Template-Guide
*/
public function getOptions(): array;
/**
* Validate and save options
*
* @param array $data Array [optionname => value] to be saved
*
* @return array Validation errors: [optionname => error message]
*
* Return array must be empty if no error.
*/
public function saveOptions(array $data): array;
}

80
src/Model/Storage/IStorage.php
View file

@ -22,9 +22,7 @@
namespace Friendica\Model\Storage;
/**
* Interface for storage backends
*
* @todo Split this interface into "IStorage" for get() operations (including Resource fetching) and "IUserStorage" for real user backends including put/delete/options
* Interface for basic storage backends
*/
interface IStorage
{
@ -34,77 +32,11 @@ interface IStorage
* @param string $reference Data reference
*
* @return string
*
* @throws StorageException in case there's an unexpected error
* @throws ReferenceStorageException in case the reference doesn't exist
*/
public function get(string $reference);
/**
* Put data in backend as $ref. If $ref is not defined a new reference is created.
*
* @param string $data Data to save
* @param string $reference Data reference. Optional.
*
* @return string Saved data reference
*/
public function put(string $data, string $reference = "");
/**
* Remove data from backend
*
* @param string $reference Data reference
*
* @return boolean True on success
*/
public function delete(string $reference);
/**
* Get info about storage options
*
* @return array
*
* This method return an array with informations about storage options
* from which the form presented to the user is build.
*
* The returned array is:
*
* [
* 'option1name' => [ ..info.. ],
* 'option2name' => [ ..info.. ],
* ...
* ]
*
* An empty array can be returned if backend doesn't have any options
*
* The info array for each option MUST be as follows:
*
* [
* 'type', // define the field used in form, and the type of data.
* // one of 'checkbox', 'combobox', 'custom', 'datetime',
* // 'input', 'intcheckbox', 'password', 'radio', 'richtext'
* // 'select', 'select_raw', 'textarea'
*
* 'label', // Translatable label of the field
* 'value', // Current value
* 'help text', // Translatable description for the field
* extra data // Optional. Depends on 'type':
* // select: array [ value => label ] of choices
* // intcheckbox: value of input element
* // select_raw: prebuild html string of < option > tags
* ]
*
* See https://github.com/friendica/friendica/wiki/Quick-Template-Guide
*/
public function getOptions();
/**
* Validate and save options
*
* @param array $data Array [optionname => value] to be saved
*
* @return array Validation errors: [optionname => error message]
*
* Return array must be empty if no error.
*/
public function saveOptions(array $data);
public function get(string $reference): string;
/**
* The name of the backend
@ -118,5 +50,5 @@ interface IStorage
*
* @return string
*/
public static function getName();
public static function getName(): string;
}

26
src/Model/Storage/AbstractStorage.php → src/Model/Storage/ReferenceStorageException.php
View file

@ -21,31 +21,11 @@
namespace Friendica\Model\Storage;
use Friendica\Core\L10n;
use Psr\Log\LoggerInterface;
use Exception;
/**
* A general storage class which loads common dependencies and implements common methods
* Storage Exception in case of invalid references
*/
abstract class AbstractStorage implements IStorage
class ReferenceStorageException extends Exception
{
/** @var L10n */
protected $l10n;
/** @var LoggerInterface */
protected $logger;
/**
* @param L10n $l10n
* @param LoggerInterface $logger
*/
public function __construct(L10n $l10n, LoggerInterface $logger)
{
$this->l10n = $l10n;
$this->logger = $logger;
}
public function __toString()
{
return static::getName();
}
}

6
src/Model/Storage/StorageException.php
View file

@ -21,9 +21,11 @@
namespace Friendica\Model\Storage;
use Exception;
/**
* Storage Exception
* Storage Exception for unexpected failures
*/
class StorageException extends \Exception
class StorageException extends Exception
{
}

47
src/Model/Storage/SystemResource.php
View file

@ -21,8 +21,6 @@
namespace Friendica\Model\Storage;
use \BadMethodCallException;
/**
* System resource storage class
*
@ -39,45 +37,22 @@ class SystemResource implements IStorage
/**
* @inheritDoc
*/
public function get(string $filename)
public function get(string $reference): string
{
$folder = dirname($filename);
$folder = dirname($reference);
if (!in_array($folder, self::VALID_FOLDERS)) {
return "";
throw new ReferenceStorageException(sprintf('System Resource is invalid for reference %s, no valid folder found', $reference));
}
if (!file_exists($filename)) {
return "";
if (!file_exists($reference)) {
throw new StorageException(sprintf('System Resource is invalid for reference %s, the file doesn\'t exist', $reference));
}
return file_get_contents($filename);
}
$content = file_get_contents($reference);
/**
* @inheritDoc
*/
public function put(string $data, string $filename = '')
{
throw new BadMethodCallException();
}
if ($content === false) {
throw new StorageException(sprintf('Cannot get content for reference %s', $reference));
}
public function delete(string $filename)
{
throw new BadMethodCallException();
}
/**
* @inheritDoc
*/
public function getOptions()
{
return [];
}
/**
* @inheritDoc
*/
public function saveOptions(array $data)
{
return [];
return $content;
}
/**
@ -91,7 +66,7 @@ class SystemResource implements IStorage
/**
* @inheritDoc
*/
public static function getName()
public static function getName(): string
{
return self::NAME;
}

3
src/Util/HTTPSignature.php
View file

@ -28,6 +28,7 @@ use Friendica\DI;
use Friendica\Model\APContact;
use Friendica\Model\Contact;
use Friendica\Model\User;
use Friendica\Network\CurlResult;
/**
* Implements HTTP Signatures per draft-cavage-http-signatures-07.
@ -408,7 +409,7 @@ class HTTPSignature
* 'nobody' => only return the header
* 'cookiejar' => path to cookie jar file
*
* @return object CurlResult
* @return CurlResult|void CurlResult
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function fetchRaw($request, $uid = 0, $opts = ['accept_content' => 'application/activity+json, application/ld+json'])