392 lines
11 KiB
PHP
392 lines
11 KiB
PHP
<?php
|
|
|
|
// FIXME! Namespaces...
|
|
require_once 'ConfigIO.php';
|
|
require_once 'ConfigJson.php';
|
|
require_once 'ConfigPhp.php';
|
|
|
|
/**
|
|
* Class ConfigManager
|
|
*
|
|
* Manages all Shaarli's settings.
|
|
* See the documentation for more information on settings:
|
|
* - doc/Shaarli-configuration.html
|
|
* - https://github.com/shaarli/Shaarli/wiki/Shaarli-configuration
|
|
*/
|
|
class ConfigManager
|
|
{
|
|
/**
|
|
* @var string Flag telling a setting is not found.
|
|
*/
|
|
protected static $NOT_FOUND = 'NOT_FOUND';
|
|
|
|
/**
|
|
* @var string Config folder.
|
|
*/
|
|
protected $configFile;
|
|
|
|
/**
|
|
* @var array Loaded config array.
|
|
*/
|
|
protected $loadedConfig;
|
|
|
|
/**
|
|
* @var ConfigIO implementation instance.
|
|
*/
|
|
protected $configIO;
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
public function __construct($configFile = 'data/config')
|
|
{
|
|
$this->configFile = $configFile;
|
|
$this->initialize();
|
|
}
|
|
|
|
/**
|
|
* Reset the ConfigManager instance.
|
|
*/
|
|
public function reset()
|
|
{
|
|
$this->initialize();
|
|
}
|
|
|
|
/**
|
|
* Rebuild the loaded config array from config files.
|
|
*/
|
|
public function reload()
|
|
{
|
|
$this->load();
|
|
}
|
|
|
|
/**
|
|
* Initialize the ConfigIO and loaded the conf.
|
|
*/
|
|
protected function initialize()
|
|
{
|
|
if (file_exists($this->configFile . '.php')) {
|
|
$this->configIO = new ConfigPhp();
|
|
} else {
|
|
$this->configIO = new ConfigJson();
|
|
}
|
|
$this->load();
|
|
}
|
|
|
|
/**
|
|
* Load configuration in the ConfigurationManager.
|
|
*/
|
|
protected function load()
|
|
{
|
|
$this->loadedConfig = $this->configIO->read($this->getConfigFileExt());
|
|
$this->setDefaultValues();
|
|
}
|
|
|
|
/**
|
|
* Get a setting.
|
|
*
|
|
* Supports nested settings with dot separated keys.
|
|
* Eg. 'config.stuff.option' will find $conf[config][stuff][option],
|
|
* or in JSON:
|
|
* { "config": { "stuff": {"option": "mysetting" } } } }
|
|
*
|
|
* @param string $setting Asked setting, keys separated with dots.
|
|
* @param string $default Default value if not found.
|
|
*
|
|
* @return mixed Found setting, or the default value.
|
|
*/
|
|
public function get($setting, $default = '')
|
|
{
|
|
// During the ConfigIO transition, map legacy settings to the new ones.
|
|
if ($this->configIO instanceof ConfigPhp && isset(ConfigPhp::$LEGACY_KEYS_MAPPING[$setting])) {
|
|
$setting = ConfigPhp::$LEGACY_KEYS_MAPPING[$setting];
|
|
}
|
|
|
|
$settings = explode('.', $setting);
|
|
$value = self::getConfig($settings, $this->loadedConfig);
|
|
if ($value === self::$NOT_FOUND) {
|
|
return $default;
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Set a setting, and eventually write it.
|
|
*
|
|
* Supports nested settings with dot separated keys.
|
|
*
|
|
* @param string $setting Asked setting, keys separated with dots.
|
|
* @param string $value Value to set.
|
|
* @param bool $write Write the new setting in the config file, default false.
|
|
* @param bool $isLoggedIn User login state, default false.
|
|
*
|
|
* @throws Exception Invalid
|
|
*/
|
|
public function set($setting, $value, $write = false, $isLoggedIn = false)
|
|
{
|
|
if (empty($setting) || ! is_string($setting)) {
|
|
throw new Exception('Invalid setting key parameter. String expected, got: '. gettype($setting));
|
|
}
|
|
|
|
// During the ConfigIO transition, map legacy settings to the new ones.
|
|
if ($this->configIO instanceof ConfigPhp && isset(ConfigPhp::$LEGACY_KEYS_MAPPING[$setting])) {
|
|
$setting = ConfigPhp::$LEGACY_KEYS_MAPPING[$setting];
|
|
}
|
|
|
|
$settings = explode('.', $setting);
|
|
self::setConfig($settings, $value, $this->loadedConfig);
|
|
if ($write) {
|
|
$this->write($isLoggedIn);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if a settings exists.
|
|
*
|
|
* Supports nested settings with dot separated keys.
|
|
*
|
|
* @param string $setting Asked setting, keys separated with dots.
|
|
*
|
|
* @return bool true if the setting exists, false otherwise.
|
|
*/
|
|
public function exists($setting)
|
|
{
|
|
// During the ConfigIO transition, map legacy settings to the new ones.
|
|
if ($this->configIO instanceof ConfigPhp && isset(ConfigPhp::$LEGACY_KEYS_MAPPING[$setting])) {
|
|
$setting = ConfigPhp::$LEGACY_KEYS_MAPPING[$setting];
|
|
}
|
|
|
|
$settings = explode('.', $setting);
|
|
$value = self::getConfig($settings, $this->loadedConfig);
|
|
if ($value === self::$NOT_FOUND) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Call the config writer.
|
|
*
|
|
* @param bool $isLoggedIn User login state.
|
|
*
|
|
* @return bool True if the configuration has been successfully written, false otherwise.
|
|
*
|
|
* @throws MissingFieldConfigException: a mandatory field has not been provided in $conf.
|
|
* @throws UnauthorizedConfigException: user is not authorize to change configuration.
|
|
* @throws IOException: an error occurred while writing the new config file.
|
|
*/
|
|
public function write($isLoggedIn)
|
|
{
|
|
// These fields are required in configuration.
|
|
$mandatoryFields = array(
|
|
'credentials.login',
|
|
'credentials.hash',
|
|
'credentials.salt',
|
|
'security.session_protection_disabled',
|
|
'general.timezone',
|
|
'general.title',
|
|
'general.header_link',
|
|
'privacy.default_private_links',
|
|
'redirector.url',
|
|
);
|
|
|
|
// Only logged in user can alter config.
|
|
if (is_file($this->getConfigFileExt()) && !$isLoggedIn) {
|
|
throw new UnauthorizedConfigException();
|
|
}
|
|
|
|
// Check that all mandatory fields are provided in $conf.
|
|
foreach ($mandatoryFields as $field) {
|
|
if (! $this->exists($field)) {
|
|
throw new MissingFieldConfigException($field);
|
|
}
|
|
}
|
|
|
|
return $this->configIO->write($this->getConfigFileExt(), $this->loadedConfig);
|
|
}
|
|
|
|
/**
|
|
* Set the config file path (without extension).
|
|
*
|
|
* @param string $configFile File path.
|
|
*/
|
|
public function setConfigFile($configFile)
|
|
{
|
|
$this->configFile = $configFile;
|
|
}
|
|
|
|
/**
|
|
* Return the configuration file path (without extension).
|
|
*
|
|
* @return string Config path.
|
|
*/
|
|
public function getConfigFile()
|
|
{
|
|
return $this->configFile;
|
|
}
|
|
|
|
/**
|
|
* Get the configuration file path with its extension.
|
|
*
|
|
* @return string Config file path.
|
|
*/
|
|
public function getConfigFileExt()
|
|
{
|
|
return $this->configFile . $this->configIO->getExtension();
|
|
}
|
|
|
|
/**
|
|
* Recursive function which find asked setting in the loaded config.
|
|
*
|
|
* @param array $settings Ordered array which contains keys to find.
|
|
* @param array $conf Loaded settings, then sub-array.
|
|
*
|
|
* @return mixed Found setting or NOT_FOUND flag.
|
|
*/
|
|
protected static function getConfig($settings, $conf)
|
|
{
|
|
if (!is_array($settings) || count($settings) == 0) {
|
|
return self::$NOT_FOUND;
|
|
}
|
|
|
|
$setting = array_shift($settings);
|
|
if (!isset($conf[$setting])) {
|
|
return self::$NOT_FOUND;
|
|
}
|
|
|
|
if (count($settings) > 0) {
|
|
return self::getConfig($settings, $conf[$setting]);
|
|
}
|
|
return $conf[$setting];
|
|
}
|
|
|
|
/**
|
|
* Recursive function which find asked setting in the loaded config.
|
|
*
|
|
* @param array $settings Ordered array which contains keys to find.
|
|
* @param mixed $value
|
|
* @param array $conf Loaded settings, then sub-array.
|
|
*
|
|
* @return mixed Found setting or NOT_FOUND flag.
|
|
*/
|
|
protected static function setConfig($settings, $value, &$conf)
|
|
{
|
|
if (!is_array($settings) || count($settings) == 0) {
|
|
return self::$NOT_FOUND;
|
|
}
|
|
|
|
$setting = array_shift($settings);
|
|
if (count($settings) > 0) {
|
|
return self::setConfig($settings, $value, $conf[$setting]);
|
|
}
|
|
$conf[$setting] = $value;
|
|
}
|
|
|
|
/**
|
|
* Set a bunch of default values allowing Shaarli to start without a config file.
|
|
*/
|
|
protected function setDefaultValues()
|
|
{
|
|
$this->setEmpty('resource.data_dir', 'data');
|
|
$this->setEmpty('resource.config', 'data/config.php');
|
|
$this->setEmpty('resource.datastore', 'data/datastore.php');
|
|
$this->setEmpty('resource.ban_file', 'data/ipbans.php');
|
|
$this->setEmpty('resource.updates', 'data/updates.txt');
|
|
$this->setEmpty('resource.log', 'data/log.txt');
|
|
$this->setEmpty('resource.update_check', 'data/lastupdatecheck.txt');
|
|
$this->setEmpty('resource.raintpl_tpl', 'tpl/');
|
|
$this->setEmpty('resource.raintpl_tmp', 'tmp/');
|
|
$this->setEmpty('resource.thumbnails_cache', 'cache');
|
|
$this->setEmpty('resource.page_cache', 'pagecache');
|
|
|
|
$this->setEmpty('security.ban_after', 4);
|
|
$this->setEmpty('security.ban_duration', 1800);
|
|
$this->setEmpty('security.session_protection_disabled', false);
|
|
$this->setEmpty('security.open_shaarli', false);
|
|
|
|
$this->setEmpty('general.header_link', '?');
|
|
$this->setEmpty('general.links_per_page', 20);
|
|
$this->setEmpty('general.enabled_plugins', array('qrcode'));
|
|
|
|
$this->setEmpty('updates.check_updates', false);
|
|
$this->setEmpty('updates.check_updates_branch', 'stable');
|
|
$this->setEmpty('updates.check_updates_interval', 86400);
|
|
|
|
$this->setEmpty('feed.rss_permalinks', true);
|
|
$this->setEmpty('feed.show_atom', false);
|
|
|
|
$this->setEmpty('privacy.default_private_links', false);
|
|
$this->setEmpty('privacy.hide_public_links', false);
|
|
$this->setEmpty('privacy.hide_timestamps', false);
|
|
|
|
$this->setEmpty('thumbnail.enable_thumbnails', true);
|
|
$this->setEmpty('thumbnail.enable_localcache', true);
|
|
|
|
$this->setEmpty('redirector.url', '');
|
|
$this->setEmpty('redirector.encode_url', true);
|
|
|
|
$this->setEmpty('plugins', array());
|
|
}
|
|
|
|
/**
|
|
* Set only if the setting does not exists.
|
|
*
|
|
* @param string $key Setting key.
|
|
* @param mixed $value Setting value.
|
|
*/
|
|
public function setEmpty($key, $value)
|
|
{
|
|
if (! $this->exists($key)) {
|
|
$this->set($key, $value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return ConfigIO
|
|
*/
|
|
public function getConfigIO()
|
|
{
|
|
return $this->configIO;
|
|
}
|
|
|
|
/**
|
|
* @param ConfigIO $configIO
|
|
*/
|
|
public function setConfigIO($configIO)
|
|
{
|
|
$this->configIO = $configIO;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exception used if a mandatory field is missing in given configuration.
|
|
*/
|
|
class MissingFieldConfigException extends Exception
|
|
{
|
|
public $field;
|
|
|
|
/**
|
|
* Construct exception.
|
|
*
|
|
* @param string $field field name missing.
|
|
*/
|
|
public function __construct($field)
|
|
{
|
|
$this->field = $field;
|
|
$this->message = 'Configuration value is required for '. $this->field;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exception used if an unauthorized attempt to edit configuration has been made.
|
|
*/
|
|
class UnauthorizedConfigException extends Exception
|
|
{
|
|
/**
|
|
* Construct exception.
|
|
*/
|
|
public function __construct()
|
|
{
|
|
$this->message = 'You are not authorized to alter config.';
|
|
}
|
|
}
|