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package org.jenkinsci.plugins.bbprb;
import hudson.Extension;
import hudson.model.UnprotectedRootAction;
import hudson.security.ACL;
import hudson.security.csrf.CrumbExclusion;
import hudson.triggers.Trigger;
import hudson.triggers.TriggerDescriptor;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jenkins.model.Jenkins;
import jenkins.model.ParameterizedJobMixIn.ParameterizedJob;
import net.sf.json.JSONException;
import net.sf.json.JSONObject;
import org.acegisecurity.context.SecurityContext;
import org.acegisecurity.context.SecurityContextHolder;
import org.apache.commons.io.IOUtils;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.StaplerResponse;
@Extension
public class BitbucketHookReceiver
extends CrumbExclusion implements UnprotectedRootAction {
private static final String BITBUCKET_HOOK_URL = "bbprb-hook";
private static final String BITBUCKET_UA = "Bitbucket-Webhooks/2.0";
@Override
public boolean process(HttpServletRequest req, HttpServletResponse resp,
FilterChain chain)
throws IOException, ServletException {
String pathInfo = req.getPathInfo();
if (pathInfo != null && pathInfo.startsWith("/" + BITBUCKET_HOOK_URL)) {
chain.doFilter(req, resp);
return true;
}
return false;
}
public void doIndex(StaplerRequest req, StaplerResponse resp)
throws IOException {
String userAgent = req.getHeader("user-agent");
if (!BITBUCKET_UA.equals(userAgent)) {
LOGGER.log(Level.WARNING, "Bad user agent: `{0}`, expected `{1}`",
new Object[] {userAgent, BITBUCKET_UA});
resp.setStatus(StaplerResponse.SC_BAD_REQUEST);
return;
}
String uri = req.getRequestURI();
if (!uri.contains("/" + BITBUCKET_HOOK_URL + "/")) {
LOGGER.log(Level.WARNING,
"BitBucket hook URI does not contain `/{0}/`: `{1}`",
new Object[] {BITBUCKET_HOOK_URL, uri});
resp.setStatus(StaplerResponse.SC_NOT_FOUND);
return;
}
String event = req.getHeader("x-event-key");
if (event == null) {
LOGGER.log(Level.WARNING, "Missing the `x-event-key` header");
resp.setStatus(StaplerResponse.SC_BAD_REQUEST);
return;
}
String body = IOUtils.toString(req.getInputStream());
if (body.isEmpty()) {
LOGGER.log(Level.WARNING, "Received empty request body");
resp.setStatus(StaplerResponse.SC_BAD_REQUEST);
return;
}
String contentType = req.getContentType();
if (contentType != null &&
contentType.startsWith("application/x-www-form-urlencoded")) {
body = URLDecoder.decode(body, "UTF-8");
}
if (body.startsWith("payload=")) {
body = body.substring(8);
}
LOGGER.log(Level.FINE,
"Received commit hook notification, key: `{0}`, body: `{1}`",
new Object[] {event, body});
try {
JSONObject payload = JSONObject.fromObject(body);
if (event.startsWith("pullrequest:")) {
JSONObject pr = payload.getJSONObject("pullrequest");
for (BitbucketBuildTrigger trigger : getBitbucketTriggers()) {
trigger.handlePR(event, pr);
}
return;
}
} catch (JSONException e) {
LOGGER.log(Level.WARNING, e.getMessage());
resp.setStatus(StaplerResponse.SC_BAD_REQUEST);
return;
}
}
private static List<BitbucketBuildTrigger> getBitbucketTriggers() {
List<BitbucketBuildTrigger> bbtriggers = new ArrayList<>();
SecurityContext orig = ACL.impersonate(ACL.SYSTEM);
List<ParameterizedJob> jobs =
Jenkins.getInstance().getAllItems(ParameterizedJob.class);
SecurityContextHolder.setContext(orig);
for (ParameterizedJob job : jobs) {
String jobName = job.getFullName();
LOGGER.log(Level.FINER, "Found job: `{0}`", jobName);
Map<TriggerDescriptor, Trigger<?>> triggers = job.getTriggers();
for (Trigger<?> trigger : triggers.values()) {
if (trigger instanceof BitbucketBuildTrigger) {
LOGGER.log(Level.FINE, "Will consider job: `{0}`", jobName);
bbtriggers.add((BitbucketBuildTrigger)trigger);
}
}
}
return bbtriggers;
}
private static final Logger LOGGER =
Logger.getLogger(BitbucketHookReceiver.class.getName());
public String getIconFileName() {
return null;
}
public String getDisplayName() {
return null;
}
public String getUrlName() {
return BITBUCKET_HOOK_URL;
}
}
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