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Merge pull request #12606 from nupplaphil/bug/file_put 

Fix config read/write locking
This commit is contained in:
Hypolite Petovan 2023-01-04 14:40:31 -05:00 committed by GitHub
parent 489e04e666 dce86be58e
commit 6c033c9bd1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 125 additions and 146 deletions
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2
bin/daemon.php
View File

@ -126,7 +126,7 @@ if ($mode == 'status') {
unlink($pidfile);
DI::config()->set('system', 'worker_daemon_mode', false);
DI::keyValue()->set('worker_daemon_mode', false);
die("Daemon process $pid isn't running.\n");
}

47
src/App/BaseURL.php
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@ -172,53 +172,32 @@ class BaseURL
*/
public function save($hostname = null, $sslPolicy = null, $urlPath = null): bool
{
$currHostname = $this->hostname;
$currSSLPolicy = $this->sslPolicy;
$currURLPath = $this->urlPath;
$currUrl = $this->url;
$configTransaction = $this->config->beginTransaction();
if (!empty($hostname) && $hostname !== $this->hostname) {
if ($this->config->set('config', 'hostname', $hostname)) {
$this->hostname = $hostname;
} else {
return false;
}
$configTransaction->set('config', 'hostname', $hostname);
$this->hostname = $hostname;
}
if (isset($sslPolicy) && $sslPolicy !== $this->sslPolicy) {
if ($this->config->set('system', 'ssl_policy', $sslPolicy)) {
$this->sslPolicy = $sslPolicy;
} else {
$this->hostname = $currHostname;
$this->config->set('config', 'hostname', $this->hostname);
return false;
}
$configTransaction->set('system', 'ssl_policy', $sslPolicy);
$this->sslPolicy = $sslPolicy;
}
if (isset($urlPath) && $urlPath !== $this->urlPath) {
if ($this->config->set('system', 'urlpath', $urlPath)) {
$this->urlPath = $urlPath;
} else {
$this->hostname = $currHostname;
$this->sslPolicy = $currSSLPolicy;
$this->config->set('config', 'hostname', $this->hostname);
$this->config->set('system', 'ssl_policy', $this->sslPolicy);
return false;
}
$configTransaction->set('system', 'urlpath', $urlPath);
$this->urlPath = $urlPath;
}
$this->determineBaseUrl();
if (!$this->config->set('system', 'url', $this->url)) {
$this->hostname = $currHostname;
$this->sslPolicy = $currSSLPolicy;
$this->urlPath = $currURLPath;
$this->determineBaseUrl();
$this->config->set('config', 'hostname', $this->hostname);
$this->config->set('system', 'ssl_policy', $this->sslPolicy);
$this->config->set('system', 'urlpath', $this->urlPath);
return false;
if ($this->url !== $currUrl) {
$configTransaction->set('system', 'url', $this->url);
}
$configTransaction->commit();
return true;
}

4
src/Core/Config/Capability/ISetConfigValuesTransactionally.php
View File

@ -41,8 +41,6 @@ interface ISetConfigValuesTransactionally
* @param mixed $value The value to store
*
* @return static the current instance
*
* @throws ConfigPersistenceException In case the persistence layer throws errors
*/
public function set(string $cat, string $key, $value): self;
@ -54,8 +52,6 @@ interface ISetConfigValuesTransactionally
*
* @return static the current instance
*
* @throws ConfigPersistenceException In case the persistence layer throws errors
*
*/
public function delete(string $cat, string $key): self;

9
src/Core/Config/Model/ConfigTransaction.php
View File

@ -37,6 +37,8 @@ class ConfigTransaction implements ISetConfigValuesTransactionally
protected $cache;
/** @var Cache */
protected $delCache;
/** @var bool field to check if something is to save */
protected $changedConfig = false;
public function __construct(IManageConfigValues $config)
{
@ -70,6 +72,7 @@ class ConfigTransaction implements ISetConfigValuesTransactionally
public function set(string $cat, string $key, $value): ISetConfigValuesTransactionally
{
$this->cache->set($cat, $key, $value, Cache::SOURCE_DATA);
$this->changedConfig = true;
return $this;
}
@ -80,6 +83,7 @@ class ConfigTransaction implements ISetConfigValuesTransactionally
{
$this->cache->delete($cat, $key);
$this->delCache->set($cat, $key, 'deleted');
$this->changedConfig = true;
return $this;
}
@ -87,6 +91,11 @@ class ConfigTransaction implements ISetConfigValuesTransactionally
/** {@inheritDoc} */
public function commit(): void
{
// If nothing changed, just do nothing :)
if (!$this->changedConfig) {
return;
}
try {
$newCache = $this->config->getCache()->merge($this->cache);
$newCache = $newCache->diff($this->delCache);

24
src/Core/Config/Util/ConfigFileManager.php
View File

@ -173,7 +173,21 @@ class ConfigFileManager
$filename = $this->configDir . '/' . self::CONFIG_DATA_FILE;
if (file_exists($filename)) {
$dataArray = include $filename;
$content = '<?php return [];';
$configStream = fopen($filename, 'r');
if (flock($configStream, LOCK_SH)) {
$content = fread($configStream, filesize($filename));
if (!$content) {
throw new ConfigFileException(sprintf('Couldn\'t read file %s', $filename));
}
flock($configStream, LOCK_UN);
}
fclose($configStream);
$dataArray = eval('?>' . $content);
if (!is_array($dataArray)) {
throw new ConfigFileException(sprintf('Error loading config file %s', $filename));
@ -200,8 +214,12 @@ class ConfigFileManager
throw new ConfigFileException('config source cannot get encoded');
}
if (!file_put_contents($this->configDir . '/' . self::CONFIG_DATA_FILE, $encodedData)) {
throw new ConfigFileException(sprintf('Cannot save data to file %s/%s', $this->configDir, self::CONFIG_DATA_FILE));
$configStream = fopen($this->configDir . '/' . self::CONFIG_DATA_FILE, 'w');
if (flock($configStream, LOCK_EX)) {
fwrite($configStream, $encodedData);
fflush($configStream);
flock($configStream, LOCK_UN);
}
}

2
tests/src/Core/Config/Cache/ConfigFileManagerTest.php
View File

@ -407,7 +407,7 @@ class ConfigFileManagerTest extends MockedTest
$configFileLoader->setupCache($configCache);
$specialChars = '!"§$%&/()(/&%$\'><?$a,;:[]}{}\\';
$specialChars = '!"§$%&/()(/&%$\'><?$a,;:[]}{}\\?¿¿ß';
// overwrite some data and save it back to the config file
$configCache->set('system', 'test', 'it', Cache::SOURCE_DATA);

24
tests/src/Core/Config/ConfigTransactionTest.php
View File

@ -9,6 +9,7 @@ use Friendica\Core\Config\Util\ConfigFileManager;
use Friendica\Core\Config\ValueObject\Cache;
use Friendica\Test\MockedTest;
use Friendica\Test\Util\VFSTrait;
use Mockery\Exception\InvalidCountException;
class ConfigTransactionTest extends MockedTest
{
@ -108,4 +109,27 @@ class ConfigTransactionTest extends MockedTest
// the whole category should be gone
self::assertNull($tempData['delete'] ?? null);
}
/**
* This test asserts that in empty transactions, no saveData is called, thus no config file writing was performed
*/
public function testNothingToDo()
{
$this->configFileManager = \Mockery::spy(ConfigFileManager::class);
$config = new Config($this->configFileManager, new Cache());
$configTransaction = new ConfigTransaction($config);
// commit empty transaction
$configTransaction->commit();
try {
$this->configFileManager->shouldNotHaveReceived('saveData');
} catch (InvalidCountException $exception) {
self::fail($exception);
}
// If not failed, the test ends successfully :)
self::assertTrue(true);
}
}

159
tests/src/Util/BaseURLTest.php
View File

@ -23,10 +23,25 @@ namespace Friendica\Test\src\Util;
use Friendica\App\BaseURL;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core\Config\Capability\ISetConfigValuesTransactionally;
use Friendica\Core\Config\Model\Config;
use Friendica\Core\Config\Model\ConfigTransaction;
use Friendica\Core\Config\Util\ConfigFileManager;
use Friendica\Core\Config\ValueObject\Cache;
use Friendica\Test\MockedTest;
use Friendica\Test\Util\VFSTrait;
class BaseURLTest extends MockedTest
{
use VFSTrait;
protected function setUp(): void
{
parent::setUp();
$this->setUpVfsDir();
}
public function dataDefault()
{
return [
@ -231,6 +246,21 @@ class BaseURLTest extends MockedTest
public function dataSave()
{
return [
'no_change' => [
'input' => [
'hostname' => 'friendica.local',
'urlPath' => 'path',
'sslPolicy' => BaseURL::SSL_POLICY_FULL,
'url' => 'https://friendica.local/path',
'force_ssl' => true,
],
'save' => [
'hostname' => 'friendica.local',
'urlPath' => 'path',
'sslPolicy' => BaseURL::SSL_POLICY_FULL,
],
'url' => 'https://friendica.local/path',
],
'default' => [
'input' => [
'hostname' => 'friendica.old',
@ -315,28 +345,20 @@ class BaseURLTest extends MockedTest
*/
public function testSave($input, $save, $url)
{
$configMock = \Mockery::mock(IManageConfigValues::class);
$configMock->shouldReceive('get')->with('config', 'hostname')->andReturn($input['hostname']);
$configMock->shouldReceive('get')->with('system', 'urlpath')->andReturn($input['urlPath']);
$configMock->shouldReceive('get')->with('system', 'ssl_policy')->andReturn($input['sslPolicy']);
$configMock->shouldReceive('get')->with('system', 'url')->andReturn($input['url']);
$configMock->shouldReceive('get')->with('system', 'force_ssl')->andReturn($input['force_ssl']);
$configFileManager = new ConfigFileManager($this->root->url(), $this->root->url() . '/config/', $this->root->url() . '/static/');
$config = new Config($configFileManager, new Cache([
'config' => [
'hostname' => $input['hostname'] ?? null,
],
'system' => [
'urlpath' => $input['urlPath'] ?? null,
'ssl_policy' => $input['sslPolicy'] ?? null,
'url' => $input['url'] ?? null,
'force_ssl' => $input['force_ssl'] ?? null,
],
]));
$baseUrl = new BaseURL($configMock, []);
if (isset($save['hostname'])) {
$configMock->shouldReceive('set')->with('config', 'hostname', $save['hostname'])->andReturn(true)->once();
}
if (isset($save['urlPath'])) {
$configMock->shouldReceive('set')->with('system', 'urlpath', $save['urlPath'])->andReturn(true)->once();
}
if (isset($save['sslPolicy'])) {
$configMock->shouldReceive('set')->with('system', 'ssl_policy', $save['sslPolicy'])->andReturn(true)->once();
}
$configMock->shouldReceive('set')->with('system', 'url', $url)->andReturn(true)->once();
$baseUrl = new BaseURL($config, []);
$baseUrl->save($save['hostname'], $save['sslPolicy'], $save['urlPath']);
@ -353,28 +375,20 @@ class BaseURLTest extends MockedTest
*/
public function testSaveByUrl($input, $save, $url)
{
$configMock = \Mockery::mock(IManageConfigValues::class);
$configMock->shouldReceive('get')->with('config', 'hostname')->andReturn($input['hostname']);
$configMock->shouldReceive('get')->with('system', 'urlpath')->andReturn($input['urlPath']);
$configMock->shouldReceive('get')->with('system', 'ssl_policy')->andReturn($input['sslPolicy']);
$configMock->shouldReceive('get')->with('system', 'url')->andReturn($input['url']);
$configMock->shouldReceive('get')->with('system', 'force_ssl')->andReturn($input['force_ssl']);
$configFileManager = new ConfigFileManager($this->root->url(), $this->root->url() . '/config/', $this->root->url() . '/static/');
$config = new Config($configFileManager, new Cache([
'config' => [
'hostname' => $input['hostname'] ?? null,
],
'system' => [
'urlpath' => $input['urlPath'] ?? null,
'ssl_policy' => $input['sslPolicy'] ?? null,
'url' => $input['url'] ?? null,
'force_ssl' => $input['force_ssl'] ?? null,
],
]));
$baseUrl = new BaseURL($configMock, []);
if (isset($save['hostname'])) {
$configMock->shouldReceive('set')->with('config', 'hostname', $save['hostname'])->andReturn(true)->once();
}
if (isset($save['urlPath'])) {
$configMock->shouldReceive('set')->with('system', 'urlpath', $save['urlPath'])->andReturn(true)->once();
}
if (isset($save['sslPolicy'])) {
$configMock->shouldReceive('set')->with('system', 'ssl_policy', $save['sslPolicy'])->andReturn(true)->once();
}
$configMock->shouldReceive('set')->with('system', 'url', $url)->andReturn(true)->once();
$baseUrl = new BaseURL($config, []);
$baseUrl->saveByURL($url);
@ -498,65 +512,4 @@ class BaseURLTest extends MockedTest
self::assertEquals($redirect, $baseUrl->checkRedirectHttps());
}
public function dataWrongSave()
{
return [
'wrongHostname' => [
'fail' => 'hostname',
],
'wrongSSLPolicy' => [
'fail' => 'sslPolicy',
],
'wrongURLPath' => [
'fail' => 'urlPath',
],
'wrongURL' => [
'fail' => 'url',
],
];
}
/**
* Test the save() method with wrong parameters
* @dataProvider dataWrongSave
*/
public function testWrongSave($fail)
{
$configMock = \Mockery::mock(IManageConfigValues::class);
$configMock->shouldReceive('get')->with('config', 'hostname')->andReturn('friendica.local');
$configMock->shouldReceive('get')->with('system', 'urlpath')->andReturn('new/test');
$configMock->shouldReceive('get')->with('system', 'ssl_policy')->andReturn(BaseURL::DEFAULT_SSL_SCHEME);
$configMock->shouldReceive('get')->with('system', 'url')->andReturn('http://friendica.local/new/test');
switch ($fail) {
case 'hostname':
$configMock->shouldReceive('set')->with('config', 'hostname', \Mockery::any())->andReturn(false)->once();
break;
case 'sslPolicy':
$configMock->shouldReceive('set')->with('config', 'hostname', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'ssl_policy', \Mockery::any())->andReturn(false)->once();
break;
case 'urlPath':
$configMock->shouldReceive('set')->with('config', 'hostname', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'ssl_policy', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'urlpath', \Mockery::any())->andReturn(false)->once();
break;
case 'url':
$configMock->shouldReceive('set')->with('config', 'hostname', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'ssl_policy', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'urlpath', \Mockery::any())->andReturn(true)->twice();
$configMock->shouldReceive('set')->with('system', 'url', \Mockery::any())->andReturn(false)->once();
break;
}
$baseUrl = new BaseURL($configMock, []);
self::assertFalse($baseUrl->save('test', 10, 'nope'));
// nothing should have changed because we never successfully saved anything
self::assertEquals('friendica.local', $baseUrl->getHostname());
self::assertEquals('new/test', $baseUrl->getUrlPath());
self::assertEquals(BaseURL::DEFAULT_SSL_SCHEME, $baseUrl->getSSLPolicy());
self::assertEquals('http://friendica.local/new/test', $baseUrl->get());
}
}