Merge pull request #10693 from nupplaphil/feat/config_dir

Add the possibility to use a different configuration directory

doc/Config.md

@@ -42,6 +42,9 @@ Some examples of common known configuration files:
 
 Addons can define their own default configuration values in `addon/[addon]/config/[addon].config.php` which is loaded when the addon is activated.
 
+If needed, an alternative `config` path can be used by using the `FRIENDICA_CONFIG_DIR` environment variable (full path required!).
+This is useful in case of hardening the system by separating configuration from program binaries. 
+
 ### Static Configuration location
 
 The `static` directory holds the codebase default configurations files.

src/App.php

@@ -25,6 +25,7 @@ use Exception;
 use Friendica\App\Arguments;
 use Friendica\App\BaseURL;
 use Friendica\App\Module;
+use Friendica\Factory\ConfigFactory;
 use Friendica\Module\Maintenance;
 use Friendica\Security\Authentication;
 use Friendica\Core\Config\Cache;
@@ -352,7 +353,7 @@ class App
 			$this->profiler->update($this->config);
 
 			Core\Hook::loadHooks();
-			$loader = new ConfigFileLoader($this->getBasePath());
+			$loader = (new ConfigFactory())->createConfigFileLoader($this->getBasePath(), $_SERVER);
 			Core\Hook::callAll('load_config', $loader);
 		}
 

src/Factory/ConfigFactory.php

@@ -30,6 +30,45 @@ use Friendica\Util\ConfigFileLoader;
 
 class ConfigFactory
 {
+	/**
+	 * The key of the $_SERVER variable to override the config directory
+	 *
+	 * @var string
+	 */
+	const CONFIG_DIR_ENV = 'FRIENDICA_CONFIG_DIR';
+
+	/**
+	 * The Sub directory of the config-files
+	 *
+	 * @var string
+	 */
+	const CONFIG_DIR = 'config';
+
+	/**
+	 * The Sub directory of the static config-files
+	 *
+	 * @var string
+	 */
+	const STATIC_DIR = 'static';
+
+	/**
+	 * @param string $basePath The basepath of FRIENDICA
+	 * @param array $serer the $_SERVER array
+	 *
+	 * @return ConfigFileLoader
+	 */
+	public function createConfigFileLoader(string $basePath, array $server = [])
+	{
+		if (!empty($server[self::CONFIG_DIR_ENV]) && is_dir($server[self::CONFIG_DIR_ENV])) {
+			$configDir = $server[self::CONFIG_DIR_ENV];
+		} else {
+			$configDir = $basePath . DIRECTORY_SEPARATOR . self::CONFIG_DIR;
+		}
+		$staticDir = $basePath . DIRECTORY_SEPARATOR . self::STATIC_DIR;
+
+		return new ConfigFileLoader($basePath, $configDir, $staticDir);
+	}
+
 	/**
 	 * @param ConfigFileLoader $loader The Config Cache loader (INI/config/.htconfig)
 	 *

src/Module/Admin/Summary.php

@@ -29,6 +29,7 @@ use Friendica\Core\Update;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
 use Friendica\DI;
+use Friendica\Factory\ConfigFactory;
 use Friendica\Model\Register;
 use Friendica\Module\BaseAdmin;
 use Friendica\Network\HTTPException\InternalServerErrorException;
@@ -151,7 +152,7 @@ class Summary extends BaseAdmin
 		}
 
 		// check legacy basepath settings
-		$configLoader = new ConfigFileLoader($a->getBasePath());
+		$configLoader = (new ConfigFactory())->createConfigFileLoader($a->getBasePath(), $_SERVER);
 		$configCache = new Cache();
 		$configLoader->setupCache($configCache);
 		$confBasepath = $configCache->get('system', 'basepath');

src/Util/ConfigFileLoader.php

@@ -35,20 +35,6 @@ use Friendica\Core\Config\Cache;
  */
 class ConfigFileLoader
 {
-	/**
-	 * The Sub directory of the config-files
-	 *
-	 * @var string
-	 */
-	const CONFIG_DIR = 'config';
-
-	/**
-	 * The Sub directory of the static config-files
-	 *
-	 * @var string
-	 */
-	const STATIC_DIR = 'static';
-
 	/**
 	 * The default name of the user defined ini file
 	 *
@@ -83,11 +69,16 @@ class ConfigFileLoader
 	 */
 	private $staticDir;
 
-	public function __construct(string $basePath)
+	/**
+	 * @param string $baseDir   The base
+	 * @param string $configDir
+	 * @param string $staticDir
+	 */
+	public function __construct(string $baseDir, string $configDir, string $staticDir)
 	{
-		$this->baseDir   = $basePath;
+		$this->baseDir   = $baseDir;
-		$this->configDir = $this->baseDir . DIRECTORY_SEPARATOR . self::CONFIG_DIR;
+		$this->configDir = $configDir;
-		$this->staticDir = $this->baseDir . DIRECTORY_SEPARATOR . self::STATIC_DIR;
+		$this->staticDir = $staticDir;
 	}
 
 	/**
@@ -102,7 +93,7 @@ class ConfigFileLoader
 	 *
 	 * @throws Exception
 	 */
-	public function setupCache(Cache $config, array $server = [], $raw = false)
+	public function setupCache(Cache $config, array $server = [], bool $raw = false)
 	{
 		// Load static config files first, the order is important
 		$config->load($this->loadStaticConfig('defaults'), Cache::SOURCE_FILE);
@@ -185,7 +176,7 @@ class ConfigFileLoader
 		$filepath = $this->baseDir . DIRECTORY_SEPARATOR .   // /var/www/html/
 		            Addon::DIRECTORY . DIRECTORY_SEPARATOR . // addon/
 		            $name . DIRECTORY_SEPARATOR .            // openstreetmap/
-		            self::CONFIG_DIR . DIRECTORY_SEPARATOR . // config/
+		            'config'. DIRECTORY_SEPARATOR . 		 // config/
 		            $name . ".config.php";                   // openstreetmap.config.php
 
 		if (file_exists($filepath)) {
@@ -206,8 +197,7 @@ class ConfigFileLoader
 	 */
 	public function loadEnvConfig(array $server)
 	{
-		$filepath = $this->baseDir . DIRECTORY_SEPARATOR .   // /var/www/html/
+		$filepath = $this->staticDir . DIRECTORY_SEPARATOR .   // /var/www/html/static/
-					self::STATIC_DIR . DIRECTORY_SEPARATOR . // static/
 					"env.config.php";                          // env.config.php
 
 		if (!file_exists($filepath)) {

static/dependencies.config.php

@@ -74,9 +74,12 @@ return [
 		]
 	],
 	Util\ConfigFileLoader::class => [
-		'shared'          => true,
+		'instanceOf' => Factory\ConfigFactory::class,
-		'constructParams' => [
+		'call'       => [
+			['createConfigFileLoader', [
 				[Dice::INSTANCE => '$basepath'],
+				$_SERVER,
+			], Dice::CHAIN_CALL],
 		],
 	],
 	Config\Cache::class          => [

tests/Util/VFSTrait.php

@@ -43,6 +43,7 @@ trait VFSTrait
 			'static' => [],
 			'test' => [],
 			'logs' => [],
+			'config2' => [],
 		];
 
 		// create a virtual directory and copy all needed files and folders to it

tests/src/Core/Cache/DatabaseCacheTest.php

@@ -55,7 +55,7 @@ class DatabaseCacheTest extends CacheTest
 
 		// load real config to avoid mocking every config-entry which is related to the Database class
 		$configFactory = new ConfigFactory();
-		$loader = new ConfigFileLoader($this->root->url());
+		$loader = (new ConfigFactory())->createConfigFileLoader($this->root->url(), []);
 		$configCache = $configFactory->createCache($loader);
 
 		$dba = new StaticDatabase($configCache, $profiler, $logger);

tests/src/Core/Lock/DatabaseLockDriverTest.php

@@ -57,7 +57,7 @@ class DatabaseLockDriverTest extends LockTest
 
 		// load real config to avoid mocking every config-entry which is related to the Database class
 		$configFactory = new ConfigFactory();
-		$loader        = new ConfigFileLoader($this->root->url());
+		$loader        = (new ConfigFactory())->createConfigFileLoader($this->root->url(), []);
 		$configCache   = $configFactory->createCache($loader);
 
 		$dba = new StaticDatabase($configCache, $profiler, $logger);

tests/src/Core/StorageManagerTest.php

@@ -73,7 +73,7 @@ class StorageManagerTest extends DatabaseTest
 
 		// load real config to avoid mocking every config-entry which is related to the Database class
 		$configFactory = new ConfigFactory();
-		$loader        = new ConfigFileLoader($this->root->url());
+		$loader        = $configFactory->createConfigFileLoader($this->root->url(), []);
 		$configCache   = $configFactory->createCache($loader);
 
 		$this->dba = new StaticDatabase($configCache, $profiler, $this->logger);

tests/src/Model/ProcessTest.php

@@ -33,7 +33,7 @@ class ProcessTest extends DatabaseTest
 
 		// load real config to avoid mocking every config-entry which is related to the Database class
 		$configFactory = new ConfigFactory();
-		$loader        = new ConfigFileLoader($this->root->url());
+		$loader        = (new ConfigFactory())->createConfigFileLoader($this->root->url(), []);
 		$configCache   = $configFactory->createCache($loader);
 
 		$this->dba = new StaticDatabase($configCache, $profiler, $logger);

tests/src/Model/Storage/DatabaseStorageTest.php

@@ -55,7 +55,7 @@ class DatabaseStorageTest extends StorageTest
 
 		// load real config to avoid mocking every config-entry which is related to the Database class
 		$configFactory = new ConfigFactory();
-		$loader = new ConfigFileLoader($this->root->url());
+		$loader = (new ConfigFactory())->createConfigFileLoader($this->root->url(), []);
 		$configCache = $configFactory->createCache($loader);
 
 		$dba = new StaticDatabase($configCache, $profiler, $logger);

tests/src/Util/Config/ConfigFileLoaderTest.php

@@ -22,6 +22,7 @@
 namespace Friendica\Test\src\Util\Config;
 
 use Friendica\Core\Config\Cache;
+use Friendica\Factory\ConfigFactory;
 use Friendica\Test\MockedTest;
 use Friendica\Test\Util\VFSTrait;
 use Friendica\Util\ConfigFileLoader;
@@ -45,7 +46,11 @@ class ConfigFileLoaderTest extends MockedTest
 	{
 		$this->delConfigFile('local.config.php');
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -67,7 +72,11 @@ class ConfigFileLoaderTest extends MockedTest
 			->at($this->root->getChild('config'))
 			->setContent('<?php return true;');
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -91,7 +100,11 @@ class ConfigFileLoaderTest extends MockedTest
 			->at($this->root->getChild('config'))
 			->setContent(file_get_contents($file));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -123,7 +136,11 @@ class ConfigFileLoaderTest extends MockedTest
 			->at($this->root->getChild('config'))
 			->setContent(file_get_contents($file));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -154,7 +171,11 @@ class ConfigFileLoaderTest extends MockedTest
 			->at($this->root)
 			->setContent(file_get_contents($file));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -203,7 +224,11 @@ class ConfigFileLoaderTest extends MockedTest
 			->at($this->root->getChild('addon')->getChild('test')->getChild('config'))
 			->setContent(file_get_contents($file));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 
 		$conf = $configFileLoader->loadAddonConfig('test');
 
@@ -235,7 +260,11 @@ class ConfigFileLoaderTest extends MockedTest
 				->at($this->root->getChild('config'))
 		         ->setContent(file_get_contents($fileDir . 'B.config.php'));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -264,7 +293,11 @@ class ConfigFileLoaderTest extends MockedTest
 		         ->at($this->root->getChild('config'))
 		         ->setContent(file_get_contents($fileDir . 'B.ini.php'));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -293,7 +326,11 @@ class ConfigFileLoaderTest extends MockedTest
 		         ->at($this->root->getChild('config'))
 		         ->setContent(file_get_contents($fileDir . 'B.ini.php'));
 
-		$configFileLoader = new ConfigFileLoader($this->root->url());
+		$configFileLoader = new ConfigFileLoader(
+			$this->root->url(),
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::CONFIG_DIR,
+			$this->root->url() . DIRECTORY_SEPARATOR . ConfigFactory::STATIC_DIR
+		);
 		$configCache = new Cache();
 
 		$configFileLoader->setupCache($configCache);
@@ -301,4 +338,44 @@ class ConfigFileLoaderTest extends MockedTest
 		self::assertEquals('admin@test.it', $configCache->get('config', 'admin_email'));
 		self::assertEmpty($configCache->get('system', 'NewKey'));
 	}
+
+	/**
+	 * Test that using a wrong configuration directory leads to the "normal" config path
+	 */
+	public function testWrongEnvDir()
+	{
+		$this->delConfigFile('local.config.php');
+
+		$configFileLoader = (new ConfigFactory())->createConfigFileLoader($this->root->url(), ['FRIENDICA_CONFIG_DIR' => '/a/wrong/dir/']);
+		$configCache = new Cache();
+
+		$configFileLoader->setupCache($configCache);
+
+		self::assertEquals($this->root->url(), $configCache->get('system', 'basepath'));
+	}
+
+	/**
+	 * Test that a different location of the configuration directory produces the expected output
+	 */
+	public function testRightEnvDir()
+	{
+		$this->delConfigFile('local.config.php');
+
+		$fileDir = dirname(__DIR__) . DIRECTORY_SEPARATOR .
+				   '..' . DIRECTORY_SEPARATOR .
+				   '..' . DIRECTORY_SEPARATOR .
+				   'datasets' . DIRECTORY_SEPARATOR .
+				   'config' . DIRECTORY_SEPARATOR;
+
+		vfsStream::newFile('B.config.php')
+				 ->at($this->root->getChild('config2'))
+				 ->setContent(file_get_contents($fileDir . 'B.config.php'));
+
+		$configFileLoader = (new ConfigFactory())->createConfigFileLoader($this->root->url(), ['FRIENDICA_CONFIG_DIR' => $this->root->getChild('config2')->url()]);
+		$configCache = new Cache();
+
+		$configFileLoader->setupCache($configCache);
+
+		self::assertEquals('newValue', $configCache->get('system', 'newKey'));
+	}
 }