/**
* Copyright 2015-2017 Red Hat, Inc, and individual contributors.
*
* 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.wildfly.swarm.keycloak.runtime;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Paths;
import javax.enterprise.context.ApplicationScoped;
import org.jboss.logging.Logger;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.Node;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.Asset;
import org.jboss.shrinkwrap.api.asset.ByteArrayAsset;
import org.jboss.shrinkwrap.api.importer.ZipImporter;
import org.wildfly.swarm.bootstrap.util.BootstrapProperties;
import org.wildfly.swarm.config.runtime.AttributeDocumentation;
import org.wildfly.swarm.spi.api.ArchivePreparer;
import org.wildfly.swarm.spi.api.JARArchive;
import org.wildfly.swarm.spi.api.annotations.Configurable;
@ApplicationScoped
public class SecuredArchivePreparer implements ArchivePreparer {
private static final Logger LOG = Logger.getLogger(SecuredArchivePreparer.class);
@Override
public void prepareArchive(Archive<?> archive) throws IOException {
InputStream keycloakJson = null;
if (keycloakJsonPath != null) {
keycloakJson = getKeycloakJson(keycloakJsonPath);
}
if (keycloakJson == null) {
keycloakJson = getKeycloakJson();
}
if (keycloakJson != null) {
archive.add(createAsset(keycloakJson), "WEB-INF/keycloak.json");
} else {
// not adding it.
}
}
private InputStream getKeycloakJson(String path) {
try {
return Files.newInputStream(Paths.get(path));
} catch (IOException e) {
LOG.warn(String.format(
"Unable to get keycloak.json from '%s', fall back to get from classpath: %s",
path, e
));
}
return null;
}
private InputStream getKeycloakJson() {
InputStream keycloakJson = Thread.currentThread().getContextClassLoader().getResourceAsStream("keycloak.json");
if (keycloakJson == null) {
String appArtifact = System.getProperty(BootstrapProperties.APP_ARTIFACT);
if (appArtifact != null) {
try (InputStream in = ClassLoader.getSystemClassLoader().getResourceAsStream("_bootstrap/" + appArtifact)) {
Archive tmpArchive = ShrinkWrap.create(JARArchive.class);
tmpArchive.as(ZipImporter.class).importFrom(in);
Node jsonNode = tmpArchive.get("keycloak.json");
if (jsonNode == null) {
jsonNode = tmpArchive.get("WEB-INF/keycloak.json");
}
if (jsonNode != null && jsonNode.getAsset() != null) {
keycloakJson = jsonNode.getAsset().openStream();
}
} catch (IOException e) {
// ignore
}
}
}
return keycloakJson;
}
private Asset createAsset(InputStream in) throws IOException {
StringBuilder str = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
String line = null;
while ((line = reader.readLine()) != null) {
str.append(line).append("\n");
}
}
return new ByteArrayAsset(str.toString().getBytes());
}
@AttributeDocumentation("Path to keycloak.json configuration")
@Configurable("swarm.keycloak.json.path")
String keycloakJsonPath;
}