mirror of
https://github.com/StarCitizenTools/mediawiki-skins-Citizen.git
synced 2024-11-12 00:59:46 +00:00
244 lines
6 KiB
PHP
244 lines
6 KiB
PHP
<?php
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/**
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* SkinTemplate class for the Citizen skin
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*
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* @ingroup Skins
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*/
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class SkinCitizen extends SkinTemplate {
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public $skinname = 'citizen';
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public $stylename = 'Citizen';
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public $template = 'CitizenTemplate';
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/**
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* @var OutputPage
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*/
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private $out;
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/**
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* ResourceLoader
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*
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* @param OutputPage $out
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*/
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public function initPage( OutputPage $out ) {
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$this->out = $out;
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// Responsive layout
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$out->addMeta( 'viewport', 'width=device-width, initial-scale=1.0' );
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// Theme color
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$out->addMeta( 'theme-color', $this->getConfigValue( 'CitizenThemeColor' ) ?? '' );
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// Preconnect origin
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$this->addPreConnect();
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// Generate manifest
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$this->addManifest();
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// HTTP headers
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// CSP
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$this->addCSP();
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// HSTS
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$this->addHSTS();
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// Deny X-Frame-Options
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$this->addXFrameOptions();
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// X-XSS-Protection
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$this->addXXSSProtection();
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// Feature policy
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$this->addFeaturePolicy();
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$this->addModules();
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}
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/**
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* getConfig() wrapper to catch exceptions.
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* Returns null on exception
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*
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* @param string $key
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* @return mixed|null
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* @see SkinTemplate::getConfig()
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*/
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private function getConfigValue( $key ) {
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try {
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$value = $this->getConfig()->get( $key );
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} catch ( ConfigException $e ) {
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$value = null;
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}
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return $value;
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}
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/**
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* Adds a preconnect header if enabled in 'CitizenEnablePreconnect'
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*/
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private function addPreConnect() {
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if ( $this->getConfigValue( 'CitizenEnablePreconnect' ) === true ) {
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$this->out->addLink( [
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'rel' => 'preconnect',
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'href' => $this->getConfigValue( 'CitizenPreconnectURL' ),
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] );
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}
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}
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/**
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* Adds the manifest if enabled in 'CitizenEnableManifest'.
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* Manifest link will be empty if wfExpandUrl throws an exception.
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*/
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private function addManifest() {
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if ( $this->getConfigValue( 'CitizenEnableManifest' ) === true ) {
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try {
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$href =
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wfExpandUrl( wfAppendQuery( wfScript( 'api' ),
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[ 'action' => 'webapp-manifest' ] ), PROTO_RELATIVE );
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} catch ( Exception $e ) {
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$href = '';
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}
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$this->out->addLink( [
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'rel' => 'manifest',
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'href' => $href,
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] );
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}
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}
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/**
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* Adds the csp directive if enabled in 'CitizenEnableCSP'.
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* Directive holds the content of 'CitizenCSPDirective'.
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*/
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private function addCSP() {
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if ( $this->getConfigValue( 'CitizenEnableCSP' ) === true ) {
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$cspDirective = $this->getConfigValue( 'CitizenCSPDirective' ) ?? '';
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$cspMode = 'Content-Security-Policy';
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// Check if report mode is enabled
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if ( $this->getConfigValue( 'CitizenEnableCSPReportMode' ) === true ) {
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$cspMode = 'Content-Security-Policy-Report-Only';
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}
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$this->out->getRequest()->response()->header( sprintf( '%s: %s', $cspMode,
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$cspDirective ) );
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}
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}
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/**
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* Adds the HSTS Header. If no max age or an invalid max age is set a default of 300 will be
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* applied.
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* Preload and Include Subdomains can be enabled by setting 'CitizenHSTSIncludeSubdomains'
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* and/or 'CitizenHSTSPreload' to true.
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*/
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private function addHSTS() {
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if ( $this->getConfigValue( 'CitizenEnableHSTS' ) === true ) {
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$maxAge = $this->getConfigValue( 'CitizenHSTSMaxAge' );
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$includeSubdomains = $this->getConfigValue( 'CitizenHSTSIncludeSubdomains' ) ?? false;
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$preload = $this->getConfigValue( 'CitizenHSTSPreload' ) ?? false;
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// HSTS max age
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if ( is_int( $maxAge ) ) {
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$maxAge = max( $maxAge, 0 );
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} else {
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// Default to 5 mins if input is invalid
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$maxAge = 300;
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}
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$hstsHeader = 'Strict-Transport-Security: max-age=' . $maxAge;
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if ( $includeSubdomains ) {
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$hstsHeader .= '; includeSubDomains';
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}
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if ( $preload ) {
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$hstsHeader .= '; preload';
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}
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$this->out->getRequest()->response()->header( $hstsHeader );
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}
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}
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/**
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* Adds the X-Frame-Options header if set in 'CitizenEnableDenyXFrameOptions'
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*/
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private function addXFrameOptions() {
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if ( $this->getConfigValue( 'CitizenEnableDenyXFrameOptions' ) === true ) {
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$this->out->getRequest()->response()->header( 'X-Frame-Options: deny' );
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}
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}
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/**
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* Adds the X-XSS-Protection header if set in 'CitizenEnableXXSSProtection'
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*/
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private function addXXSSProtection() {
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if ( $this->getConfigValue( 'CitizenEnableXXSSProtection' ) === true ) {
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$this->out->getRequest()->response()->header( 'X-XSS-Protection: 1; mode=block' );
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}
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}
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/**
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* Adds the referrer header if enabled in 'CitizenEnableStrictReferrerPolicy'
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*/
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private function addStrictReferrerPolicy() {
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if ( $this->getConfigValue( 'CitizenEnableStrictReferrerPolicy' ) === true ) {
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// iOS Safari, IE, Edge compatiblity
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$this->out->getRequest()->response()->header( 'Referrer-Policy: strict-origin' );
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$this->out->getRequest()->response()->header( 'Referrer-Policy: strict-origin-when-cross-origin' );
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}
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}
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/**
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* Adds the Feature policy header to the response if enabled in 'CitizenFeaturePolicyDirective'
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*/
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private function addFeaturePolicy() {
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if ( $this->getConfigValue( 'CitizenEnableFeaturePolicy' ) === true ) {
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$featurePolicy = $this->getConfigValue( 'CitizenFeaturePolicyDirective' ) ?? '';
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$this->out->getRequest()->response()->header( sprintf( 'Feature-Policy: %s',
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$featurePolicy ) );
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}
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}
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/**
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* Returns the javascript entry modules to load. Only modules that need to
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* be overriden or added conditionally should be placed here.
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* @return array
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*/
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public function getDefaultModules() {
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$modules = parent::getDefaultModules();
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// disable default skin search modules
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$modules['search'] = [];
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return $modules;
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}
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/**
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* Adds all needed skin modules
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*/
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private function addModules() {
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$this->out->addModuleStyles( [
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'mediawiki.skinning.content.externallinks',
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'skins.citizen',
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'skins.citizen.icons',
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'skins.citizen.icons.ca',
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'skins.citizen.icons.p',
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'skins.citizen.icons.toc',
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'skins.citizen.icons.es',
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'skins.citizen.icons.n',
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'skins.citizen.icons.t',
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'skins.citizen.icons.pt',
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'skins.citizen.icons.footer',
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'skins.citizen.icons.badges',
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'skins.citizen.icons.search',
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] );
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$this->out->addModules( [
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'skins.citizen.js',
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'skins.citizen.search',
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] );
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}
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}
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