/*************************GO-LICENSE-START*********************************
* Copyright 2014 ThoughtWorks, Inc.
*
* 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.
*************************GO-LICENSE-END***********************************/
package com.thoughtworks.go.server.security;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.thoughtworks.go.server.service.ArtifactsDirHolder;
import com.thoughtworks.go.server.util.LastOperationTime;
import com.thoughtworks.go.util.GoConstants;
import com.thoughtworks.go.util.HttpService;
import com.thoughtworks.go.util.StringUtil;
import com.thoughtworks.go.util.SystemEnvironment;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
public class ArtifactSizeEnforcementFilter implements Filter {
private ArtifactsDirHolder artifactsDirHolder;
private SystemEnvironment systemEnvironment;
private LastOperationTime lastOperationTime;
private long totalAvailableSpace;
private static final Logger LOG = Logger.getLogger(ArtifactSizeEnforcementFilter.class);
@Autowired
public ArtifactSizeEnforcementFilter(ArtifactsDirHolder artifactsDirHolder, SystemEnvironment systemEnvironment) {
this.artifactsDirHolder = artifactsDirHolder;
this.systemEnvironment = systemEnvironment;
lastOperationTime = new LastOperationTime(systemEnvironment.getDiskSpaceCacheRefresherInterval());
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
String headerValue = req.getHeader(HttpService.GO_ARTIFACT_PAYLOAD_SIZE);
if (lastOperationTime.pastWaitingPeriod()) {
synchronized (this) {
if (lastOperationTime.pastWaitingPeriod()) {
totalAvailableSpace = artifactsDirHolder.getArtifactsDir().getUsableSpace() - systemEnvironment.getArtifactReposiotryFullLimit() * GoConstants.MEGA_BYTE;
lastOperationTime.refresh();
}
}
}
if (!StringUtil.isBlank(headerValue) && Long.valueOf(headerValue) * 2 > totalAvailableSpace) {
Long artifactSize = Long.valueOf(headerValue);
String logMsg = String.format("[Artifact Upload] Artifact upload (Required Size %s * 2 = %s) was denied by the server because it has run out of disk space (Available Space %s).",
artifactSize, artifactSize * 2, totalAvailableSpace);
LOG.error(logMsg);
res.setStatus(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE);
} else {
chain.doFilter(req, response);
}
}
public void init(FilterConfig filterConfig) throws ServletException {
}
public void destroy() {
}
}