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<?php
/**
Copyright 2012-2014-2013 Nick Korbel
This file is part of Booked Scheduler.
Booked Scheduler is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Booked Scheduler 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Booked Scheduler. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'Pages/Admin/ManageConfigurationPage.php');
require_once(ROOT_DIR . 'Presenters/ActionPresenter.php');
class ConfigActions
{
const Update = 'update';
}
class ManageConfigurationPresenter extends ActionPresenter
{
/**
* @var IManageConfigurationPage
*/
private $page;
/**
* @var IConfigurationSettings
*/
private $configSettings;
/**
* @var
*/
private $configFilePath;
private $deletedSettings = array('password.pattern');
public function __construct(IManageConfigurationPage $page, IConfigurationSettings $settings)
{
parent::__construct($page);
$this->page = $page;
$this->configSettings = $settings;
$this->configFilePath = ROOT_DIR . 'config/config.php';
$this->configFilePathDist = ROOT_DIR . 'config/config.dist.php';
$this->AddAction(ConfigActions::Update, 'Update');
}
public function PageLoad()
{
$shouldShowConfig = Configuration::Instance()->GetSectionKey(ConfigSection::PAGES,
ConfigKeys::PAGES_ENABLE_CONFIGURATION,
new BooleanConverter());
$this->page->SetIsPageEnabled($shouldShowConfig);
if (!$shouldShowConfig)
{
Log::Debug('Show configuration UI is turned off. Not displaying the config values');
return;
}
$configFiles = $this->GetConfigFiles();
$this->page->SetConfigFileOptions($configFiles);
$this->HandleSelectedConfigFile($configFiles);
$isFileWritable = $this->configSettings->CanOverwriteFile($this->configFilePath);
$this->page->SetIsConfigFileWritable($isFileWritable);
if (!$isFileWritable)
{
Log::Debug('Config file is not writable');
return;
}
Log::Debug('Loading and displaying config file for editing by %s',
ServiceLocator::GetServer()->GetUserSession()->Email);
$this->BringConfigFileUpToDate();
$settings = $this->configSettings->GetSettings($this->configFilePath);
foreach ($settings as $key => $value)
{
if (is_array($value))
{
$section = $key;
foreach ($value as $sectionkey => $sectionvalue)
{
if (!$this->ShouldBeSkipped($sectionkey, $section))
{
$this->page->AddSectionSetting(new ConfigSetting($sectionkey, $section, $sectionvalue));
}
}
}
else
{
if (!$this->ShouldBeSkipped($key))
{
$this->page->AddSetting(new ConfigSetting($key, null, $value));
}
}
}
}
public function Update()
{
$shouldShowConfig = Configuration::Instance()->GetSectionKey(ConfigSection::PAGES,
ConfigKeys::PAGES_ENABLE_CONFIGURATION,
new BooleanConverter());
if (!$shouldShowConfig)
{
Log::Debug('Show configuration UI is turned off. No updates are allowed');
return;
}
$configSettings = $this->page->GetSubmittedSettings();
$configFiles = $this->GetConfigFiles();
$this->HandleSelectedConfigFile($configFiles);
$newSettings = array();
foreach ($configSettings as $setting)
{
if (!empty($setting->Section))
{
$newSettings[$setting->Section][$setting->Key] = $setting->Value;
}
else
{
$newSettings[$setting->Key] = $setting->Value;
}
}
$existingSettings = $this->configSettings->GetSettings($this->configFilePath);
$mergedSettings = array_merge($existingSettings, $newSettings);
foreach ($this->deletedSettings as $deletedSetting)
{
if (array_key_exists($deletedSetting, $mergedSettings))
{
unset($mergedSettings[$deletedSetting]);
}
}
Log::Debug("Saving %s settings", count($configSettings));
$this->configSettings->WriteSettings($this->configFilePath, $mergedSettings);
Log::Debug('Config file saved by %s', ServiceLocator::GetServer()->GetUserSession()->Email);
}
private function ShouldBeSkipped($key, $section = null)
{
if ($section == ConfigSection::DATABASE || $section == ConfigSection::API)
{
return true;
}
if (in_array($key, $this->deletedSettings))
{
return true;
}
switch ($key)
{
case ConfigKeys::INSTALLATION_PASSWORD:
case ConfigKeys::PAGES_ENABLE_CONFIGURATION && $section == ConfigSection::PAGES:
return true;
default:
return false;
}
}
private function GetConfigFiles()
{
$files = array(new ConfigFileOption('config.php', ''));
$pluginBaseDir = ROOT_DIR . 'plugins/';
if ($h = opendir($pluginBaseDir))
{
while (false !== ($entry = readdir($h)))
{
$pluginDir = $pluginBaseDir . $entry;
if (is_dir($pluginDir) && $entry != "." && $entry != "..")
{
$plugins = scandir($pluginDir);
foreach ($plugins as $plugin)
{
if (is_dir("$pluginDir/$plugin") && $plugin != "." && $plugin != ".." && strpos($plugin,'Example') === false)
{
$configFiles = array_merge(glob("$pluginDir/$plugin/*.config.php"), glob("$pluginDir/$plugin/*.config.dist.php"));
if (count($configFiles) > 0)
{
$files[] = new ConfigFileOption("$entry-$plugin", "$entry/$plugin");
}
}
}
}
}
closedir($h);
}
return $files;
}
private function HandleSelectedConfigFile($configFiles)
{
$requestedConfigFile = $this->page->GetConfigFileToEdit();
if (!empty($requestedConfigFile))
{
/** @var $file ConfigFileOption */
foreach ($configFiles as $file)
{
if ($file->Location == $requestedConfigFile)
{
$this->page->SetSelectedConfigFile($requestedConfigFile);
$rootDir = ROOT_DIR . 'plugins/' . $requestedConfigFile;
$distFile = glob("$rootDir/*config.dist.php");
$configFile = glob("$rootDir/*config.php");
if (count($distFile) == 1 && count($configFile) == 0)
{
copy($distFile[0], str_replace('.dist', '', $distFile[0]));
}
$configFile = glob("$rootDir/*config.php");
$this->configFilePath = $configFile[0];
$this->configFilePathDist = str_replace('.php', '.dist.php', $configFile[0]);
}
}
}
}
private function BringConfigFileUpToDate()
{
if (!file_exists($this->configFilePathDist))
{
return;
}
$configurator = new Configurator();
$configurator->Merge($this->configFilePath, $this->configFilePathDist);
}
}
class ConfigFileOption
{
public function __construct($name, $location)
{
$this->Name = $name;
$this->Location = $location;
}
}
class ConfigSetting
{
public $Key;
public $Section;
public $Value;
public $Type;
public $Name;
public function __construct($key, $section, $value)
{
$key = trim($key);
$section = trim($section);
$value = trim($value);
$this->Name = $this->encode($key) . '|' . $this->encode($section);
$this->Key = $key;
$this->Section = $section;
$this->Value = $value . '';
$type = strtolower($value) == 'true' || strtolower($value) == 'false' ? ConfigSettingType::Boolean : ConfigSettingType::String;
$this->Type = $type;
if ($type == ConfigSettingType::Boolean)
{
$this->Value = strtolower($this->Value);
}
}
public static function ParseForm($key, $value)
{
$k = self::decode($key);
$keyAndSection = explode('|', $k);
return new ConfigSetting($keyAndSection[0], $keyAndSection[1], $value);
}
private static function encode($value)
{
return str_replace('.', '__', $value);
}
private static function decode($value)
{
return str_replace('__', '.', $value);
}
}
class ConfigSettingType
{
const String = 'string';
const Boolean = 'boolean';
}