| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.myfaces.tobago.internal.config; |
| |
| import org.apache.myfaces.tobago.config.TobagoConfig; |
| import org.apache.myfaces.tobago.context.Theme; |
| import org.apache.myfaces.tobago.context.ThemeImpl; |
| import org.apache.myfaces.tobago.exception.TobagoConfigurationException; |
| import org.apache.myfaces.tobago.sanitizer.IgnoringSanitizer; |
| import org.apache.myfaces.tobago.sanitizer.JsoupSanitizer; |
| import org.apache.myfaces.tobago.sanitizer.Sanitizer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| public class TobagoConfigMerger { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private final List<TobagoConfigFragment> fragments; |
| private final TobagoConfig tobagoConfig; |
| |
| private TobagoConfigMerger(final List<TobagoConfigFragment> fragments, final TobagoConfig tobagoConfig) { |
| this.fragments = fragments; |
| this.tobagoConfig = tobagoConfig; |
| } |
| |
| public static void merge(final List<TobagoConfigFragment> fragments, final TobagoConfig tobagoConfig) { |
| final TobagoConfigMerger merger = new TobagoConfigMerger(fragments, tobagoConfig); |
| merger.merge(); |
| merger.resolveThemes(); |
| } |
| |
| private void merge() { |
| |
| // default sanitizer |
| String sanitizerClass = JsoupSanitizer.class.getName(); |
| Properties sanitizerProperties = new Properties(); |
| sanitizerProperties.setProperty("whitelist", "relaxed"); |
| |
| for (TobagoConfigFragment fragment : fragments) { |
| |
| // default theme |
| final String defaultTheme = fragment.getDefaultThemeName(); |
| if (defaultTheme != null) { |
| tobagoConfig.setDefaultThemeName(defaultTheme); |
| } |
| |
| // supported themes |
| for (final String supported : fragment.getSupportedThemeNames()) { |
| tobagoConfig.addSupportedThemeName(supported); |
| } |
| |
| // session secret |
| if (fragment.getCreateSessionSecret() != null) { |
| tobagoConfig.setCreateSessionSecret(fragment.getCreateSessionSecret()); |
| } |
| if (fragment.getCheckSessionSecret() != null) { |
| tobagoConfig.setCheckSessionSecret(fragment.getCheckSessionSecret()); |
| } |
| |
| if (fragment.getPreventFrameAttacks() != null) { |
| tobagoConfig.setPreventFrameAttacks(fragment.getPreventFrameAttacks()); |
| } |
| |
| if (fragment.getContentSecurityPolicy() != null) { |
| tobagoConfig.getContentSecurityPolicy().merge(fragment.getContentSecurityPolicy()); |
| } |
| |
| if (fragment.getSecurityAnnotation() != null) { |
| tobagoConfig.setSecurityAnnotation(fragment.getSecurityAnnotation()); |
| } |
| |
| if (fragment.getSetNosniffHeader() != null) { |
| tobagoConfig.setSetNosniffHeader(fragment.getSetNosniffHeader()); |
| } |
| |
| if (fragment.getSanitizerClass() != null) { |
| sanitizerClass = fragment.getSanitizerClass(); |
| sanitizerProperties = fragment.getSanitizerProperties(); |
| } |
| |
| if (fragment.getDecodeLineFeed() != null) { |
| tobagoConfig.setDecodeLineFeed(fragment.getDecodeLineFeed()); |
| } |
| |
| // theme definition |
| for (final ThemeImpl theme : fragment.getThemeDefinitions()) { |
| tobagoConfig.addAvailableTheme(theme); |
| } |
| |
| // url |
| // todo??? |
| |
| final Map<String, String> mimeTypes = tobagoConfig.getMimeTypes(); |
| for (final Map.Entry<String, String> entry : fragment.getMimeTypes().entrySet()) { |
| mimeTypes.put(entry.getKey(), entry.getValue()); |
| } |
| |
| } |
| |
| resolveThemes(tobagoConfig.getAvailableThemes()); |
| |
| if (sanitizerClass != null) { |
| try { |
| final Class<? extends Sanitizer> aClass = Class.forName(sanitizerClass).asSubclass(Sanitizer.class); |
| final Sanitizer sanitizer = aClass.newInstance(); |
| sanitizer.setProperties(sanitizerProperties); |
| tobagoConfig.setSanitizer(sanitizer); |
| } catch (final Exception e) { |
| LOG.error("Can't create sanitizer: '" + sanitizerClass + "'", e); |
| tobagoConfig.setSanitizer(new IgnoringSanitizer()); |
| } |
| } |
| } |
| |
| private void resolveThemes(final Map<String, ThemeImpl> map) { |
| for (final ThemeImpl theme : map.values()) { |
| final String fallbackName = theme.getFallbackName(); |
| final ThemeImpl fallback = map.get(fallbackName); |
| theme.setFallback(fallback); |
| } |
| for (final ThemeImpl theme : map.values()) { |
| theme.resolveFallbacks(); |
| } |
| for (final ThemeImpl theme : map.values()) { |
| theme.resolveResources(); |
| } |
| for (final ThemeImpl theme : map.values()) { |
| theme.init(); |
| } |
| } |
| |
| private void resolveThemes() { |
| |
| final Map<String, ThemeImpl> availableThemes = tobagoConfig.getAvailableThemes(); |
| |
| if (tobagoConfig.getDefaultThemeName() != null) { |
| final String defaultThemeName = tobagoConfig.getDefaultThemeName(); |
| final ThemeImpl defaultTheme = availableThemes.get(defaultThemeName); |
| tobagoConfig.setDefaultTheme(defaultTheme); |
| checkThemeIsAvailable(defaultThemeName, defaultTheme, availableThemes); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("name = '{}'", defaultThemeName); |
| LOG.debug("defaultTheme = '{}'", defaultTheme); |
| } |
| } else { |
| int deep = 0; |
| Theme defaultTheme = null; |
| for (final Map.Entry<String, ThemeImpl> entry : availableThemes.entrySet()) { |
| final Theme theme = entry.getValue(); |
| if (theme.getFallbackList().size() > deep) { |
| defaultTheme = theme; |
| deep = theme.getFallbackList().size(); |
| } |
| } |
| if (defaultTheme == null) { |
| final String error = "Did not found any theme! " |
| + "Please ensure you have a tobago-config.xml with a theme-definition in your " |
| + "theme JAR. Please add a theme JAR to your classpath. Usually " |
| + "tobago-theme-standard.jar in WEB-INF/lib"; |
| LOG.error(error); |
| throw new TobagoConfigurationException(error); |
| } else { |
| tobagoConfig.setDefaultTheme(defaultTheme); |
| if (LOG.isInfoEnabled()) { |
| LOG.info("Using default Theme {}", defaultTheme.getName()); |
| } |
| } |
| } |
| if (!tobagoConfig.getSupportedThemeNames().isEmpty()) { |
| for (final String name : tobagoConfig.getSupportedThemeNames()) { |
| final Theme theme = availableThemes.get(name); |
| checkThemeIsAvailable(name, theme, availableThemes); |
| tobagoConfig.getSupportedThemes().add(theme); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("name = '{}'", name); |
| LOG.debug("last added theme = '{}'", theme); |
| } |
| } |
| } |
| } |
| |
| private void checkThemeIsAvailable( |
| final String name, final Theme theme, final Map<String, ThemeImpl>availableThemes) { |
| if (theme == null) { |
| final String error = "Theme not found! name: '" + name + "'. " |
| + "Please ensure you have a tobago-config.xml with a theme-definition in your " |
| + "theme JAR. Found the following themes: " + availableThemes.keySet(); |
| LOG.error(error); |
| throw new TobagoConfigurationException(error); |
| } |
| } |
| |
| |
| } |