FolderTheme.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.keycloak.theme;
import org.keycloak.models.RealmModel;
import org.keycloak.services.util.LocaleUtil;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Files;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.regex.Pattern;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class FolderTheme implements Theme {
private String parentName;
private String importName;
private File themeDir;
private File resourcesDir;
private String name;
private Type type;
private final Properties properties;
public FolderTheme(File themeDir, String name, Type type) throws IOException {
this.themeDir = themeDir;
this.name = name;
this.type = type;
this.properties = new Properties();
File propertiesFile = new File(themeDir, "theme.properties");
if (propertiesFile.isFile()) {
try (InputStream stream = Files.newInputStream(propertiesFile.toPath())) {
PropertiesUtil.readCharsetAware(properties, stream);
}
parentName = properties.getProperty("parent");
importName = properties.getProperty("import");
}
resourcesDir = new File(themeDir, "resources");
}
@Override
public String getName() {
return name;
}
@Override
public String getParentName() {
return parentName;
}
@Override
public String getImportName() {
return importName;
}
@Override
public Type getType() {
return type;
}
@Override
public URL getTemplate(String name) throws IOException {
File file = new File(themeDir, name);
return file.isFile() ? file.toURI().toURL() : null;
}
@Override
public InputStream getResourceAsStream(String path) throws IOException {
if (File.separatorChar != '/') {
path = path.replace('/', File.separatorChar);
}
File file = new File(resourcesDir, path);
if (!file.isFile() || !file.getCanonicalPath().startsWith(resourcesDir.getCanonicalPath() + File.separator)) {
return null;
} else {
return file.toURI().toURL().openStream();
}
}
@Override
public Properties getMessages(Locale locale) throws IOException {
return getMessages("messages", locale);
}
private static final Pattern LEGAL_LOCALE = Pattern.compile("[a-zA-Z0-9-_]*");
@Override
public Properties getMessages(String baseBundlename, Locale locale) throws IOException {
if (locale == null){
return null;
}
Properties m = new Properties();
String filename = baseBundlename + "_" + locale;
if (!LEGAL_LOCALE.matcher(filename).matches()) {
throw new RuntimeException("Found illegal characters in locale or bundle name: " + filename);
}
File file = new File(themeDir, "messages" + File.separator + filename + ".properties");
if (file.isFile()) {
try (InputStream stream = Files.newInputStream(file.toPath())) {
PropertiesUtil.readCharsetAware(m, stream);
}
}
return m;
}
public Properties getEnhancedMessages(RealmModel realm, Locale locale) throws IOException {
if (locale == null){
return null;
}
Map<Locale, Properties> localeMessages = Collections.singletonMap(locale, getMessages(locale));
return LocaleUtil.enhancePropertiesWithRealmLocalizationTexts(realm, locale, localeMessages);
}
@Override
public Properties getProperties() {
return properties;
}
}