Android GitClone: Support SSH keys

Generate an SSH key if it doesn't exist and then use that one. This was
just supposed to be a PoC. Sadly, it doesn't really work. I keep
getting Auth Failures when cloning. Not really sure what the problem
is.
This commit is contained in:
Vishesh Handa
2018-10-18 23:31:41 +02:00
parent b3432ccc4f
commit b70da22e1c

View File

@ -1,11 +1,26 @@
package com.example.journal;
import android.os.AsyncTask;
import android.util.Log;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.TransportConfigCallback;
import org.eclipse.jgit.api.errors.TransportException;
import org.eclipse.jgit.transport.Transport;
import org.eclipse.jgit.transport.SshTransport;
import org.eclipse.jgit.transport.JschConfigSessionFactory;
import org.eclipse.jgit.transport.SshSessionFactory;
import org.eclipse.jgit.transport.OpenSshConfig.Host;
import org.eclipse.jgit.util.FS;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.*;
import java.io.File;
import java.io.IOException;
import io.flutter.plugin.common.MethodChannel.Result;
@ -21,14 +36,90 @@ public class GitCloneTask extends AsyncTask<String, Void, Void> {
String filesDir = params[1];
File directory = new File(filesDir + "/git");
try {
Git git = Git.cloneRepository()
.setURI(url)
.setDirectory(directory)
.call();
Log.d("GitClone Directory", filesDir);
File keysDir = new File(filesDir + "/keys");
if (!keysDir.exists()) {
keysDir.mkdir();
}
catch (GitAPIException e) {
final String privateKeyPath = filesDir + "/keys/id_rsa";
final String publicKeyPath = filesDir + "/keys/id_rsa.pub";
try {
// Generate key pair
try {
JSch jsch = new JSch();
KeyPair kpair = KeyPair.genKeyPair(jsch, KeyPair.RSA, 1024 * 4);
kpair.writePrivateKey(privateKeyPath);
kpair.writePublicKey(publicKeyPath, "Auto generated Key");
kpair.dispose();
} catch (JSchException ex) {
Log.d("GitClone", ex.toString());
} catch (IOException ex) {
Log.d("GitClone", ex.toString());
}
final SshSessionFactory sshSessionFactory = new JschConfigSessionFactory() {
protected void configure(Host host, Session session) {
session.setConfig("StrictHostKeyChecking", "no");
}
protected JSch createDefaultJSch(FS fs) throws JSchException {
class MyLogger implements com.jcraft.jsch.Logger {
java.util.Hashtable name;
MyLogger() {
name = new java.util.Hashtable();
name.put(new Integer(DEBUG), "DEBUG: ");
name.put(new Integer(INFO), "INFO: ");
name.put(new Integer(WARN), "WARN: ");
name.put(new Integer(ERROR), "ERROR: ");
name.put(new Integer(FATAL), "FATAL: ");
}
public boolean isEnabled(int level) {
return true;
}
public void log(int level, String message) {
System.err.print(name.get(new Integer(level)));
System.err.println(message);
}
}
JSch.setLogger(new MyLogger());
JSch defaultJSch = super.createDefaultJSch(fs);
defaultJSch.addIdentity(privateKeyPath);
Log.d("identityNames", defaultJSch.getIdentityNames().toString());
return defaultJSch;
}
};
CloneCommand cloneCommand = Git.cloneRepository()
.setURI(url)
.setDirectory(directory);
cloneCommand.setTransportConfigCallback(new TransportConfigCallback() {
@Override
public void configure(Transport transport) {
SshTransport sshTransport = (SshTransport) transport;
sshTransport.setSshSessionFactory(sshSessionFactory);
}
});
cloneCommand.call();
} catch (TransportException e) {
// FIXME: Return a better error message?
System.err.println("Transport Error Cloning repository " + url + " : " + e.getMessage());
return null;
} catch (GitAPIException e) {
System.err.println("Error Cloning repository " + url + " : " + e.getMessage());
Log.d("gitClone", e.toString());
}
return null;
}