113 lines
3.2 KiB
PHP
113 lines
3.2 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Web;
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use Icinga\Application\Icinga;
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use Icinga\Web\FileCache;
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use Icinga\Web\LessCompiler;
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class StyleSheet
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{
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protected static $lessFiles = array(
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'../application/fonts/fontello-ifont/css/ifont-embedded.css',
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'css/vendor/tipsy.css',
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'css/icinga/defaults.less',
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'css/icinga/animation.less',
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'css/icinga/layout-colors.less',
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'css/icinga/layout-structure.less',
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'css/icinga/menu.less',
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'css/icinga/header-elements.less',
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'css/icinga/main-content.less',
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'css/icinga/tabs.less',
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'css/icinga/forms.less',
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'css/icinga/setup.less',
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'css/icinga/widgets.less',
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'css/icinga/pagination.less',
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'css/icinga/monitoring-colors.less',
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'css/icinga/selection-toolbar.less',
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'css/icinga/login.less'
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);
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public static function compileForPdf()
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{
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self::checkPhp();
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$less = new LessCompiler();
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$basedir = Icinga::app()->getBootstrapDirectory();
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foreach (self::$lessFiles as $file) {
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$less->addFile($basedir . '/' . $file);
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}
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$less->addLoadedModules();
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$less->addFile($basedir . '/css/pdf/pdfprint.less');
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return $less->compile();
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}
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public static function sendMinified()
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{
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self::send(true);
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}
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protected static function fixModuleLayoutCss($css)
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{
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return preg_replace(
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'/(\.icinga-module\.module-[^\s]+) (#layout\.[^\s]+)/m',
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'\2 \1',
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$css
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);
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}
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protected static function checkPhp()
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{
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// PHP had a rather conservative PCRE backtrack limit unless 5.3.7
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if (version_compare(PHP_VERSION, '5.3.7') <= 0) {
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ini_set('pcre.backtrack_limit', 1000000);
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}
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}
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public static function send($minified = false)
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{
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self::checkPhp();
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$app = Icinga::app();
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$basedir = $app->getBootstrapDirectory();
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foreach (self::$lessFiles as $file) {
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$lessFiles[] = $basedir . '/' . $file;
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}
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$files = $lessFiles;
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foreach ($app->getModuleManager()->getLoadedModules() as $name => $module) {
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if ($module->hasCss()) {
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$files[] = $module->getCssFilename();
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}
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}
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if ($etag = FileCache::etagMatchesFiles($files)) {
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header("HTTP/1.1 304 Not Modified");
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return;
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} else {
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$etag = FileCache::etagForFiles($files);
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}
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header('Cache-Control: public');
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header('ETag: "' . $etag . '"');
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header('Content-Type: text/css');
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$min = $minified ? '.min' : '';
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$cacheFile = 'icinga-' . $etag . $min . '.css';
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$cache = FileCache::instance();
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if ($cache->has($cacheFile)) {
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$cache->send($cacheFile);
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return;
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}
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$less = new LessCompiler();
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foreach ($lessFiles as $file) {
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$less->addFile($file);
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}
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$less->addLoadedModules();
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if ($minified) {
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$less->compress();
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}
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$out = self::fixModuleLayoutCss($less->compile());
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$cache->store($cacheFile, $out);
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echo $out;
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}
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}
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