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[FIXED JENKINS-21668] Obtain Root CA information from java instance. …
…This will only work if there is no password for obtaining the keystore.
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src/main/java/com/cloudbees/jenkins/support/impl/RootCAs.java
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/* | ||
* The MIT License | ||
* | ||
* Copyright (c) 2014 schristou88 | ||
* | ||
* Permission is hereby granted, free of charge, to any person obtaining a copy | ||
* of this software and associated documentation files (the "Software"), to deal | ||
* in the Software without restriction, including without limitation the rights | ||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
* copies of the Software, and to permit persons to whom the Software is | ||
* furnished to do so, subject to the following conditions: | ||
* | ||
* The above copyright notice and this permission notice shall be included in | ||
* all copies or substantial portions of the Software. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
* THE SOFTWARE. | ||
*/ | ||
package com.cloudbees.jenkins.support.impl; | ||
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import com.cloudbees.jenkins.support.api.Component; | ||
import com.cloudbees.jenkins.support.api.Container; | ||
import com.cloudbees.jenkins.support.api.Content; | ||
import edu.umd.cs.findbugs.annotations.NonNull; | ||
import hudson.Extension; | ||
import hudson.model.Computer; | ||
import hudson.model.Node; | ||
import hudson.model.TaskListener; | ||
import hudson.remoting.Callable; | ||
import hudson.remoting.Future; | ||
import hudson.remoting.VirtualChannel; | ||
import hudson.security.Permission; | ||
import hudson.slaves.SlaveComputer; | ||
import jenkins.model.Jenkins; | ||
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import java.io.*; | ||
import java.security.KeyStore; | ||
import java.security.KeyStoreException; | ||
import java.util.Collections; | ||
import java.util.Map; | ||
import java.util.Set; | ||
import java.util.WeakHashMap; | ||
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/** | ||
* @author schristou88 | ||
*/ | ||
@Extension | ||
public class RootCAs extends Component{ | ||
@NonNull | ||
@Override | ||
public Set<Permission> getRequiredPermissions() { | ||
return Collections.singleton(Jenkins.ADMINISTER); | ||
} | ||
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@NonNull | ||
@Override | ||
public String getDisplayName() { | ||
return "Root CAs"; | ||
} | ||
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@Override | ||
public void addContents(@NonNull Container container) { | ||
Jenkins j = Jenkins.getInstance(); | ||
addContents(container, j); | ||
for (Node node : j.getNodes()) { | ||
addContents(container, node); | ||
} | ||
} | ||
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private void addContents(@NonNull Container container, final @NonNull Node node) { | ||
Computer c = node.toComputer(); | ||
if (c == null) { | ||
return; | ||
} | ||
if (c instanceof SlaveComputer && !Boolean.TRUE.equals(((SlaveComputer) c).isUnix())) { | ||
return; | ||
} | ||
if (!node.createLauncher(TaskListener.NULL).isUnix()) { | ||
return; | ||
} | ||
String name; | ||
if (node instanceof Jenkins) { | ||
name = "master"; | ||
} else { | ||
name = "slave/" + node.getNodeName(); | ||
} | ||
container.add( | ||
new Content("nodes/" + name + "/RootCA.txt") { | ||
@Override | ||
public void writeTo(OutputStream os) throws IOException { | ||
PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(os, "utf-8"))); | ||
try { | ||
out.println(getRootCA(node)); | ||
} catch (IOException e) { | ||
e.printStackTrace(out); | ||
} finally { | ||
out.flush(); | ||
} | ||
} | ||
} | ||
); | ||
} | ||
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public Future<String> getRootCA(Node node) throws IOException { | ||
VirtualChannel channel = node.getChannel(); | ||
if (channel == null) { | ||
return null; | ||
} | ||
return channel.callAsync(new GetRootCA()); | ||
} | ||
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private static final class GetRootCA implements Callable<String, RuntimeException> { | ||
@edu.umd.cs.findbugs.annotations.SuppressWarnings( | ||
value = {"RV_RETURN_VALUE_IGNORED_BAD_PRACTICE", "DM_DEFAULT_ENCODING"}, | ||
justification = "Best effort" | ||
) | ||
public String call() { | ||
ByteArrayOutputStream bos = new ByteArrayOutputStream(); | ||
try { | ||
getRootCAList(bos); | ||
return bos.toString("utf-8"); | ||
} catch (UnsupportedEncodingException e) { | ||
return bos.toString(); | ||
} | ||
} | ||
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private static final long serialVersionUID = 1L; | ||
} | ||
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public static void getRootCAList(OutputStream out) throws UnsupportedEncodingException { | ||
PrintWriter writer = new PrintWriter(new OutputStreamWriter(out, "utf-8"), true); | ||
try { | ||
KeyStore instance = KeyStore.getInstance(KeyStore.getDefaultType()); | ||
while (instance.aliases().hasMoreElements()) { | ||
String s = instance.aliases().nextElement(); | ||
writer.println("========"); | ||
writer.println("Alias: " + s); | ||
writer.println(instance.getCertificate(s).getPublicKey()); | ||
writer.println("Trusted certificate: " + instance.isCertificateEntry(s)); | ||
} | ||
} catch (KeyStoreException e) { | ||
e.printStackTrace(writer); | ||
} | ||
} | ||
} |