org.fabric3.federation.provisioning.ArtifactCacheResolverServlet Maven / Gradle / Ivy
/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.
* Portions originally based on Apache Tuscany 2007
* licensed under the Apache 2.0 license.
*/
package org.fabric3.federation.provisioning;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import org.fabric3.api.host.util.IOHelper;
import org.fabric3.spi.repository.ArtifactCache;
import org.fabric3.spi.security.AuthenticationService;
import org.fabric3.spi.security.AuthorizationService;
/**
* Used on a participant runtime to return the contents of a contribution associated with the encoded servlet path from the local artifact cache. The
* servlet path corresponds to the contribution URI.
*/
public class ArtifactCacheResolverServlet extends AbstractResolverServlet {
private static final long serialVersionUID = 7721634599080335126L;
private transient ArtifactCache cache;
private boolean secure;
protected ArtifactCacheResolverServlet(ArtifactCache cache,
AuthenticationService authenticationService,
AuthorizationService authorizationService,
String role,
ProvisionMonitor monitor) {
super(authenticationService, authorizationService, role, monitor);
this.cache = cache;
this.secure = true;
}
protected ArtifactCacheResolverServlet(ArtifactCache cache, ProvisionMonitor monitor) {
super(null, null, null, monitor);
this.cache = cache;
this.secure = false;
}
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String path = req.getPathInfo();
if (path == null) {
monitor.errorMessage("Path info was null");
resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
int pos = path.lastIndexOf("/");
if (pos < 0) {
monitor.errorMessage("Invalid path info");
resp.sendError(HttpServletResponse.SC_FORBIDDEN);
return;
}
if (secure && !checkAccess(req)) {
resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
String info = path.substring(pos + 1);
try {
URI uri = new URI(info);
URL url = cache.get(uri);
if (url == null) {
monitor.errorMessage("Contribution not found: " + info + ". Request URL was: " + info);
return;
}
IOHelper.copy(url.openStream(), resp.getOutputStream());
} catch (URISyntaxException e) {
monitor.error("Invalid URI: " + info, e);
resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy