Merge pull request #3270 from owncloud/convert-oc_config

Convert OC_Config to object so it can be used for DI
This commit is contained in:
icewind1991 2013-07-11 18:21:08 -07:00
commit 3abe68176f
6 changed files with 328 additions and 105 deletions

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@ -34,16 +34,34 @@
*
*/
namespace OC;
/**
* This class is responsible for reading and writing config.php, the very basic
* configuration file of owncloud.
* configuration file of ownCloud.
*/
class OC_Config{
class Config {
// associative array key => value
private static $cache = array();
protected $cache = array();
// Is the cache filled?
private static $init = false;
protected $configDir;
protected $configFilename;
protected $debugMode;
/**
* @param $configDir path to the config dir, needs to end with '/'
*/
public function __construct($configDir) {
$this->configDir = $configDir;
$this->configFilename = $this->configDir.'config.php';
$this->readData();
$this->setDebugMode(defined('DEBUG') && DEBUG);
}
public function setDebugMode($enable) {
$this->debugMode = $enable;
}
/**
* @brief Lists all available config keys
@ -52,10 +70,8 @@ class OC_Config{
* This function returns all keys saved in config.php. Please note that it
* does not return the values.
*/
public static function getKeys() {
self::readData();
return array_keys( self::$cache );
public function getKeys() {
return array_keys($this->cache);
}
/**
@ -67,11 +83,9 @@ class OC_Config{
* This function gets the value from config.php. If it does not exist,
* $default will be returned.
*/
public static function getValue( $key, $default = null ) {
self::readData();
if( array_key_exists( $key, self::$cache )) {
return self::$cache[$key];
public function getValue($key, $default = null) {
if (isset($this->cache[$key])) {
return $this->cache[$key];
}
return $default;
@ -81,117 +95,90 @@ class OC_Config{
* @brief Sets a value
* @param string $key key
* @param string $value value
* @return bool
*
* This function sets the value and writes the config.php. If the file can
* not be written, false will be returned.
* This function sets the value and writes the config.php.
*
*/
public static function setValue( $key, $value ) {
self::readData();
public function setValue($key, $value) {
// Add change
self::$cache[$key] = $value;
$this->cache[$key] = $value;
// Write changes
self::writeData();
return true;
$this->writeData();
}
/**
* @brief Removes a key from the config
* @param string $key key
* @return bool
*
* This function removes a key from the config.php. If owncloud has no
* write access to config.php, the function will return false.
* This function removes a key from the config.php.
*
*/
public static function deleteKey( $key ) {
self::readData();
if( array_key_exists( $key, self::$cache )) {
public function deleteKey($key) {
if (isset($this->cache[$key])) {
// Delete key from cache
unset( self::$cache[$key] );
unset($this->cache[$key]);
// Write changes
self::writeData();
$this->writeData();
}
return true;
}
/**
* @brief Loads the config file
* @return bool
*
* Reads the config file and saves it to the cache
*/
private static function readData() {
if( self::$init ) {
return true;
private function readData() {
// Default config
$configFiles = array($this->configFilename);
// Add all files in the config dir ending with config.php
$extra = glob($this->configDir.'*.config.php');
if (is_array($extra)) {
natsort($extra);
$configFiles = array_merge($configFiles, $extra);
}
// read all file in config dir ending by config.php
$config_files = glob( OC::$SERVERROOT."/config/*.config.php");
if (!is_array($config_files)) {
$config_files = array();
}
//Filter only regular files
$config_files = array_filter($config_files, 'is_file');
//Sort array naturally :
natsort($config_files);
// Add default config
array_unshift($config_files,OC::$SERVERROOT."/config/config.php");
//Include file and merge config
foreach($config_files as $file){
@include $file;
if( isset( $CONFIG ) && is_array( $CONFIG )) {
self::$cache = array_merge(self::$cache, $CONFIG);
// Include file and merge config
foreach ($configFiles as $file) {
if (!file_exists($file)) {
continue;
}
unset($CONFIG);
include $file;
if (isset($CONFIG) && is_array($CONFIG)) {
$this->cache = array_merge($this->cache, $CONFIG);
}
}
// We cached everything
self::$init = true;
return true;
}
/**
* @brief Writes the config file
* @return bool
*
* Saves the config to the config file.
*
*/
public static function writeData() {
private function writeData() {
// Create a php file ...
$defaults = new OC_Defaults;
$content = "<?php\n ";
if (defined('DEBUG') && DEBUG) {
$defaults = new \OC_Defaults;
$content = "<?php\n";
if ($this->debugMode) {
$content .= "define('DEBUG',true);\n";
}
$content .= "\$CONFIG = ";
$content .= var_export(self::$cache, true);
$content .= '$CONFIG = ';
$content .= var_export($this->cache, true);
$content .= ";\n";
$filename = OC::$SERVERROOT."/config/config.php";
// Write the file
$result=@file_put_contents( $filename, $content );
if(!$result) {
$tmpl = new OC_Template( '', 'error', 'guest' );
$tmpl->assign('errors', array(1=>array(
'error'=>"Can't write into config directory 'config'",
'hint'=>'This can usually be fixed by '
.'<a href="' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target="_blank">giving the webserver write access to the config directory</a>.')));
$tmpl->printPage();
exit;
$result = @file_put_contents($this->configFilename, $content);
if (!$result) {
$url = $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions';
throw new HintException(
"Can't write into config directory 'config'",
'This can usually be fixed by '
.'<a href="' . $url . '" target="_blank">giving the webserver write access to the config directory</a>.');
}
// Prevent others not to read the config
@chmod($filename, 0640);
OC_Util::clearOpcodeCache();
return true;
@chmod($this->configFilename, 0640);
\OC_Util::clearOpcodeCache();
}
}

27
lib/hintexception.php Normal file
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@ -0,0 +1,27 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC;
class HintException extends \Exception {
private $hint;
public function __construct($message, $hint = '', $code = 0, Exception $previous = null) {
$this->hint = $hint;
parent::__construct($message, $code, $previous);
}
public function __toString() {
return __CLASS__ . ": [{$this->code}]: {$this->message} ({$this->hint})\n";
}
public function getHint() {
return $this->hint;
}
}

103
lib/legacy/config.php Normal file
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@ -0,0 +1,103 @@
<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @author Jakob Sack
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
*
* An example of config.php
*
* <?php
* $CONFIG = array(
* "database" => "mysql",
* "firstrun" => false,
* "pi" => 3.14
* );
* ?>
*
*/
/**
* This class is responsible for reading and writing config.php, the very basic
* configuration file of ownCloud.
*/
OC_Config::$object = new \OC\Config(OC::$SERVERROOT.'/config/');
class OC_Config {
/**
* @var \OC\Config
*/
public static $object;
/**
* @brief Lists all available config keys
* @return array with key names
*
* This function returns all keys saved in config.php. Please note that it
* does not return the values.
*/
public static function getKeys() {
return self::$object->getKeys();
}
/**
* @brief Gets a value from config.php
* @param string $key key
* @param string $default = null default value
* @return string the value or $default
*
* This function gets the value from config.php. If it does not exist,
* $default will be returned.
*/
public static function getValue($key, $default = null) {
return self::$object->getValue($key, $default);
}
/**
* @brief Sets a value
* @param string $key key
* @param string $value value
*
* This function sets the value and writes the config.php.
*
*/
public static function setValue($key, $value) {
try {
self::$object->setValue($key, $value);
} catch (\OC\HintException $e) {
\OC_Template::printErrorPage($e->getMessage(), $e->getHint());
}
}
/**
* @brief Removes a key from the config
* @param string $key key
*
* This function removes a key from the config.php.
*
*/
public static function deleteKey($key) {
try {
self::$object->deleteKey($key);
} catch (\OC\HintException $e) {
\OC_Template::printErrorPage($e->getMessage(), $e->getHint());
}
}
}

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@ -49,7 +49,7 @@ class Config {
* $default will be returned.
*/
public static function getSystemValue( $key, $default = null ) {
return(\OC_Config::getValue( $key, $default ));
return \OC_Config::getValue( $key, $default );
}
/**
@ -62,7 +62,12 @@ class Config {
* not be written, false will be returned.
*/
public static function setSystemValue( $key, $value ) {
return(\OC_Config::setValue( $key, $value ));
try {
\OC_Config::setValue( $key, $value );
} catch (Exception $e) {
return false;
}
return true;
}
/**
@ -76,7 +81,7 @@ class Config {
* not exist the default value will be returned
*/
public static function getAppValue( $app, $key, $default = null ) {
return(\OC_Appconfig::getValue( $app, $key, $default ));
return \OC_Appconfig::getValue( $app, $key, $default );
}
/**
@ -89,7 +94,12 @@ class Config {
* Sets a value. If the key did not exist before it will be created.
*/
public static function setAppValue( $app, $key, $value ) {
return(\OC_Appconfig::setValue( $app, $key, $value ));
try {
\OC_Appconfig::setValue( $app, $key, $value );
} catch (Exception $e) {
return false;
}
return true;
}
/**
@ -104,7 +114,7 @@ class Config {
* not exist the default value will be returned
*/
public static function getUserValue( $user, $app, $key, $default = null ) {
return(\OC_Preferences::getValue( $user, $app, $key, $default ));
return \OC_Preferences::getValue( $user, $app, $key, $default );
}
/**
@ -119,6 +129,11 @@ class Config {
* will be added automagically.
*/
public static function setUserValue( $user, $app, $key, $value ) {
return(\OC_Preferences::setValue( $user, $app, $key, $value ));
try {
\OC_Preferences::setValue( $user, $app, $key, $value );
} catch (Exception $e) {
return false;
}
return true;
}
}

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@ -1,21 +1,7 @@
<?php
class DatabaseSetupException extends Exception
class DatabaseSetupException extends \OC\HintException
{
private $hint;
public function __construct($message, $hint = '', $code = 0, Exception $previous = null) {
$this->hint = $hint;
parent::__construct($message, $code, $previous);
}
public function __toString() {
return __CLASS__ . ": [{$this->code}]: {$this->message} ({$this->hint})\n";
}
public function getHint() {
return $this->hint;
}
}
class OC_Setup {

105
tests/lib/config.php Normal file
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@ -0,0 +1,105 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class Test_Config extends PHPUnit_Framework_TestCase {
const CONFIG_FILE = 'static://config.php';
const CONFIG_DIR = 'static://';
const TESTCONTENT = '<?php $CONFIG=array("foo"=>"bar");';
/**
* @var \OC\Config
*/
private $config;
function setUp() {
file_put_contents(self::CONFIG_FILE, self::TESTCONTENT);
$this->config = new OC\Config(self::CONFIG_DIR);
}
public function testReadData() {
$config = new OC\Config('/non-existing');
$this->assertAttributeEquals(array(), 'cache', $config);
$this->assertAttributeEquals(array('foo' => 'bar'), 'cache', $this->config);
}
public function testGetKeys() {
$this->assertEquals(array('foo'), $this->config->getKeys());
}
public function testGetValue() {
$this->assertEquals('bar', $this->config->getValue('foo'));
$this->assertEquals(null, $this->config->getValue('bar'));
$this->assertEquals('moo', $this->config->getValue('bar', 'moo'));
}
public function testSetValue() {
$this->config->setDebugMode(false);
$this->config->setValue('foo', 'moo');
$this->assertAttributeEquals(array('foo' => 'moo'), 'cache', $this->config);
$content = file_get_contents(self::CONFIG_FILE);
$this->assertEquals(<<<EOL
<?php
\$CONFIG = array (
'foo' => 'moo',
);
EOL
, $content);
$this->config->setValue('bar', 'red');
$this->assertAttributeEquals(array('foo' => 'moo', 'bar' => 'red'), 'cache', $this->config);
$content = file_get_contents(self::CONFIG_FILE);
$this->assertEquals(<<<EOL
<?php
\$CONFIG = array (
'foo' => 'moo',
'bar' => 'red',
);
EOL
, $content);
}
public function testDeleteKey() {
$this->config->setDebugMode(false);
$this->config->deleteKey('foo');
$this->assertAttributeEquals(array(), 'cache', $this->config);
$content = file_get_contents(self::CONFIG_FILE);
$this->assertEquals(<<<EOL
<?php
\$CONFIG = array (
);
EOL
, $content);
}
public function testSavingDebugMode() {
$this->config->setDebugMode(true);
$this->config->deleteKey('foo'); // change something so we save to the config file
$this->assertAttributeEquals(array(), 'cache', $this->config);
$this->assertAttributeEquals(true, 'debugMode', $this->config);
$content = file_get_contents(self::CONFIG_FILE);
$this->assertEquals(<<<EOL
<?php
define('DEBUG',true);
\$CONFIG = array (
);
EOL
, $content);
}
/**
* @expectedException \OC\HintException
*/
public function testWriteData() {
$config = new OC\Config('/non-writable');
$config->setValue('foo', 'bar');
}
}