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<?php
define('SPOTWEB_SETTINGS_VERSION', '0.25');
define('SPOTWEB_VERSION', '0.' . (SPOTDB_SCHEMA_VERSION * 100) . '.' . (SPOTWEB_SETTINGS_VERSION * 100) . '.' . (SPOTWEB_SECURITY_VERSION * 100));
/*
* Classe om de server settings in op te slaan
*/
class SpotSettings {
private static $_instance = null;
private $_db;
/* Gemergede array met alle settings */
private static $_settings;
/* Settings die uit PHP komen */
private static $_phpSettings;
/* Settings die uit de database komen */
private static $_dbSettings;
/*
* Instantieert een nieuwe settings klasse
*/
public static function singleton(SpotDb $db, array $phpSettings) {
if (self::$_instance === null) {
self::$_instance = new SpotSettings($db);
# maak de array met PHP settings beschikbaar in de klasse
self::$_phpSettings = $phpSettings;
# haal alle settings op, en prepareer die
self::$_dbSettings = $db->getAllSettings();
# en merge de settings met degene die we door krijgen
self::$_settings = array_merge(self::$_dbSettings, self::$_phpSettings);
# Override NNTP header/comments settings, als er geen aparte NNTP header/comments server is opgegeven, gebruik die van
# de NZB server
if ((empty(self::$_settings['nntp_hdr']['host'])) && (!empty(self::$_settings['nntp_nzb']))) {
self::$_settings['nntp_hdr'] = self::$_settings['nntp_nzb'];
} # if
# Hetzelfde voor de NNTP upload server
if ((empty(self::$_settings['nntp_post']['host'])) && (!empty(self::$_settings['nntp_nzb']))) {
self::$_settings['nntp_post'] = self::$_settings['nntp_nzb'];
} # if
} # if
return self::$_instance;
} # singleton
/*
* Geeft de waarde van de setting terug
*/
function get($name) {
return self::$_settings[$name];
} # get
/*
* Unset een bepaalde waarde
*/
function remove($name) {
unset(self::$_settings[$name]);
$this->_db->removeSetting($name);
} # remove
/*
* Geeft terug of een bepaalde setting uit de database
* komt of uit de settings.php file. De settings-file
* heeft altijd prioriteit
*/
function getOrigin($name) {
if (isset(self::$_phpSettings[$name])) {
return "php";
} else {
return "db";
} # if
} # getOrigin
/*
* Set de waarde van de setting, maakt hem ook
* meteen persistent dus mee oppassen
*/
function set($name, $value) {
# Als de setting uit PHP komt, dan mag die niet geupdate worden
# hier omdat we dan niet meer weten wat er gebeurt.
if (isset(self::$_phpSettings[$name])) {
throw new InvalidSettingsUpdateException("InvalidSettingUpdat Exception for '" . $name . '"');
} # if
# Update onze eigen settings array zodat we meteen up-to-date zijn
self::$_settings[$name] = $value;
$this->_db->updateSetting($name, $value);
} # set
/*
* Validate settings
*/
function validateSettings($settings) {
$errorList = array();
# Define arrays with valid settings
$validNntpEnc = array(false, 'ssl', 'tls');
$validModerationAction = array('disable', 'act', 'markspot');
$validRetentionTypes = array('fullonly', 'everything');
# Get the given value for NNTP encryption
$settings['nntp_nzb']['enc'] = (isset($settings['nntp_nzb']['enc']['switch'])) ? $settings['nntp_nzb']['enc']['select'] : false;
$settings['nntp_hdr']['enc'] = (isset($settings['nntp_hdr']['enc']['switch'])) ? $settings['nntp_hdr']['enc']['select'] : false;
$settings['nntp_post']['enc'] = (isset($settings['nntp_post']['enc']['switch'])) ? $settings['nntp_post']['enc']['select'] : false;
# Trim human-entered text fields
$settings['nntp_nzb']['host'] = trim($settings['nntp_nzb']['host']);
$settings['nntp_hdr']['host'] = trim($settings['nntp_hdr']['host']);
$settings['nntp_post']['host'] = trim($settings['nntp_post']['host']);
# Verify settings with the previous declared arrays
if (in_array($settings['nntp_nzb']['enc'], $validNntpEnc) === false || in_array($settings['nntp_hdr']['enc'], $validNntpEnc) === false || in_array($settings['nntp_post']['enc'], $validNntpEnc) === false) {
$errorList[] = _('Invalid encryption setting');
} # if
if (in_array($settings['spot_moderation'], $validModerationAction) === false) {
$errorList[] = _('Invalid spot moderation setting');
} # if
if (in_array($settings['retentiontype'], $validRetentionTypes) === false) {
$errorList[] = _('Invalid spot retentiontype setting');
} # if
# Verify settings
$settings['cookie_expires'] = (int) $settings['cookie_expires'];
if ($settings['cookie_expires'] < 0) {
$errorList[] = _('Invalid cookie_expires setting');
} # if
$settings['retention'] = (int) $settings['retention'];
if ($settings['retention'] < 0) {
$errorList[] = _('Invalid retention setting');
} # if
if (($settings['retrieve_newer_than'] = strtotime($settings['retrieve_newer_than'])) === false || $settings['retrieve_newer_than'] > time()) {
$errorList[] = _('Invalid retrieve_newer_than setting');
} elseif ($settings['retrieve_newer_than'] < 1230789600) {
$settings['retrieve_newer_than'] = 1230789600;
} # elseif
$settings['retrieve_increment'] = (int) $settings['retrieve_increment'];
if ($settings['retrieve_increment'] < 1) {
$errorList[] = _('Invalid retrieve_increment setting');
} # if
# check the mailaddress
if (!filter_var($settings['systemfrommail'], FILTER_VALIDATE_EMAIL)) {
$errorList[] = _('Not a valid email address');
} # if
# We don't want to save megabyts of CSS, so put a limit to the size
if (strlen($settings['customcss'] > 1024 * 10)) {
$errorList[] = _('Custom CSS is too large');
} # if
# converteer overige settings naar boolean zodat we gewoon al weten wat er uitkomt
$settings['deny_robots'] = (isset($settings['deny_robots'])) ? true : false;
$settings['sendwelcomemail'] = (isset($settings['sendwelcomemail'])) ? true : false;
$settings['nntp_nzb']['buggy'] = (isset($settings['nntp_nzb']['buggy'])) ? true : false;
$settings['nntp_hdr']['buggy'] = (isset($settings['nntp_hdr']['buggy'])) ? true : false;
$settings['nntp_post']['buggy'] = (isset($settings['nntp_post']['buggy'])) ? true : false;
$settings['retrieve_full'] = (isset($settings['retrieve_full'])) ? true : false;
$settings['prefetch_image'] = (isset($settings['prefetch_image'])) ? true : false;
$settings['prefetch_nzb'] = (isset($settings['prefetch_nzb'])) ? true : false;
$settings['retrieve_comments'] = (isset($settings['retrieve_comments'])) ? true : false;
$settings['retrieve_full_comments'] = (isset($settings['retrieve_full_comments'])) ? true : false;
$settings['retrieve_reports'] = (isset($settings['retrieve_reports'])) ? true : false;
$settings['enable_timing'] = (isset($settings['enable_timing'])) ? true : false;
$settings['enable_stacktrace'] = (isset($settings['enable_stacktrace'])) ? true : false;
$settings['prepare_statistics'] = (isset($settings['prepare_statistics'])) ? true : false;
$settings['external_blacklist'] = (isset($settings['external_blacklist'])) ? true : false;
$settings['external_whitelist'] = (isset($settings['external_whitelist'])) ? true : false;
# Default server settings if they won't be used
if (!isset($settings['nntp_hdr']['use'])) {
$settings['nntp_hdr'] = array('host' => '',
'user' => '',
'pass' => '',
'enc' => false,
'port' => 119,
'buggy' => false);
} # if
if (!isset($settings['nntp_post']['use'])) {
$settings['nntp_post'] = array('host' => '',
'user' => '',
'pass' => '',
'enc' => false,
'port' => 119,
'buggy' => false);
} # if
unset($settings['nntp_hdr']['use'], $settings['nntp_post']['use']);
return array($errorList, $settings);
} # validateSettings
function setSettings($settings) {
# If we disable the external blacklist, clear all entries
if ($settings['external_blacklist'] == false && $this->get('external_blacklist') == true) {
$this->_db->removeOldList($this->get('blacklist_url'), SpotDb::spotterlist_Black);
} # if
# If we disable the external whitelist, clear all entries
if ($settings['external_whitelist'] == false && $this->get('external_whitelist') == true) {
$this->_db->removeOldList($this->get('whitelist_url'), SpotDb::spotterlist_White);
} # if
# clear some stuff we don't need to store
unset($settings['xsrfid'], $settings['http_referer'], $settings['buttonpressed'], $settings['action'], $settings['submitedit']);
# Store settings
foreach ($settings as $key => $value) {
# and write these updated settings to the database
$this->set($key, $value);
} # foreach
} # setSettings
/*
* Is onze database versie nog wel geldig?
*/
function schemaValid() {
# SPOTDB_SCHEMA_VERSION is gedefinieerd bovenin SpotDb
return ($this->get('schemaversion') == SPOTDB_SCHEMA_VERSION);
} # schemaValid
/*
* Zijn onze settings versie nog wel geldig?
*/
function settingsValid() {
# SPOTWEB_SETTINGS_VERSION is gedefinieerd bovenin dit bestand
return ($this->get('settingsversion') == SPOTWEB_SETTINGS_VERSION);
} # settingsValid
/*
* Bestaat de opgegeven setting ?
*/
function exists($name) {
return isset(self::$_settings[$name]);
} # isSet
/*
* Private constructor, moet altijd via singleton gaan
*/
private function __construct($db) {
$this->_db = $db;
} # ctor
} # class SpotSettings
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