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Code Issues Releases Wiki Activity

Command line version of the AcceptCertificateDialog

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@367 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2009-02-17 14:21:16 +00:00
parent e707b8fe5c
commit e0a65766db
2 changed files with 87 additions and 57 deletions
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106
src/java/davmail/http/DavGatewayX509TrustManager.java
View File

@ -8,13 +8,14 @@ import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import java.awt.*;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.*;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
* Custom Trust Manager, let user accept or deny.
@ -56,31 +57,90 @@ public class DavGatewayX509TrustManager implements X509TrustManager {
}
protected void userCheckServerTrusted(final X509Certificate[] x509Certificates) throws CertificateException {
try {
String acceptedCertificateHash = Settings.getProperty("davmail.server.certificate.hash");
String certificateHash = getFormattedHash(x509Certificates[0]);
// if user already accepted a certificate,
if (acceptedCertificateHash != null && acceptedCertificateHash.length() > 0
&& acceptedCertificateHash.equals(certificateHash)) {
DavGatewayTray.debug("Found permanently accepted certificate, hash " + acceptedCertificateHash);
String acceptedCertificateHash = Settings.getProperty("davmail.server.certificate.hash");
String certificateHash = getFormattedHash(x509Certificates[0]);
// if user already accepted a certificate,
if (acceptedCertificateHash != null && acceptedCertificateHash.length() > 0
&& acceptedCertificateHash.equals(certificateHash)) {
DavGatewayTray.debug("Found permanently accepted certificate, hash " + acceptedCertificateHash);
} else {
boolean isCertificateTrusted;
if (Settings.getBooleanProperty("davmail.server")) {
// headless mode
isCertificateTrusted = isCertificateTrusted(x509Certificates[0]);
} else {
if (!AcceptCertificateDialog.isCertificateTrusted(x509Certificates[0])) {
throw new CertificateException("User rejected certificate");
}
// certificate accepted, store in settings
Settings.saveProperty("davmail.server.certificate.hash", certificateHash);
isCertificateTrusted = AcceptCertificateDialog.isCertificateTrusted(x509Certificates[0]);
}
} catch (NoSuchAlgorithmException nsa) {
throw new CertificateException(nsa);
if (!isCertificateTrusted) {
throw new CertificateException("User rejected certificate");
}
// certificate accepted, store in settings
Settings.saveProperty("davmail.server.certificate.hash", certificateHash);
}
}
public static String getFormattedHash(X509Certificate certificate) throws NoSuchAlgorithmException, CertificateEncodingException {
protected boolean isCertificateTrusted(X509Certificate certificate) {
BufferedReader inReader = new BufferedReader(new InputStreamReader(System.in));
String answer = null;
while (!"y".equals(answer) && !"Y".equals(answer) && !"n".equals(answer) && !"N".equals(answer) ) {
System.out.println("Server Certificate:");
System.out.println("Issued to: " + DavGatewayX509TrustManager.getRDN(certificate.getSubjectDN()));
System.out.println("Issued by: " + getRDN(certificate.getIssuerDN()));
SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
String notBefore = formatter.format(certificate.getNotBefore());
System.out.println("Valid from: " + notBefore);
String notAfter = formatter.format(certificate.getNotAfter());
System.out.println("Valid until: " + notAfter);
System.out.println("Serial: " + getFormattedSerial(certificate));
String sha1Hash = DavGatewayX509TrustManager.getFormattedHash(certificate);
System.out.println("FingerPrint: " + sha1Hash);
System.out.println();
System.out.println("Server provided an untrusted certificate,");
System.out.println("you can choose to accept or deny access.");
System.out.println("Accept certificate (y/n)?");
try {
answer = inReader.readLine();
} catch (IOException e) {
System.err.println(e);
}
}
return "y".equals(answer) || "Y".equals(answer);
}
public static String getRDN(Principal principal) {
String dn = principal.getName();
int start = dn.indexOf('=');
int end = dn.indexOf(',');
if (start >= 0 && end >= 0) {
return dn.substring(start + 1, end);
} else {
return dn;
}
}
public static String getFormattedSerial(X509Certificate certificate) {
StringBuilder builder = new StringBuilder();
String serial = certificate.getSerialNumber().toString(16);
for (int i = 0; i < serial.length(); i++) {
if (i > 0 && i % 2 == 0) {
builder.append(' ');
}
builder.append(serial.charAt(i));
}
return builder.toString().toUpperCase();
}
public static String getFormattedHash(X509Certificate certificate) {
String sha1Hash;
MessageDigest md = MessageDigest.getInstance("SHA1");
byte[] digest = md.digest(certificate.getEncoded());
sha1Hash = formatHash(digest);
try {
MessageDigest md = MessageDigest.getInstance("SHA1");
byte[] digest = md.digest(certificate.getEncoded());
sha1Hash = formatHash(digest);
} catch (NoSuchAlgorithmException nsa) {
sha1Hash = nsa.getMessage();
} catch (CertificateEncodingException cee) {
sha1Hash = cee.getMessage();
}
return sha1Hash;
}

38
src/java/davmail/ui/AcceptCertificateDialog.java
View File

@ -36,39 +36,9 @@ public class AcceptCertificateDialog extends JDialog {
panel.add(fieldPanel);
}
protected String getRDN(Principal principal) {
String dn = principal.getName();
int start = dn.indexOf('=');
int end = dn.indexOf(',');
if (start >= 0 && end >= 0) {
return dn.substring(start + 1, end);
} else {
return dn;
}
}
public String getFormattedSerial(X509Certificate certificate) {
StringBuilder builder = new StringBuilder();
String serial = certificate.getSerialNumber().toString(16);
for (int i = 0; i < serial.length(); i++) {
if (i > 0 && i % 2 == 0) {
builder.append(' ');
}
builder.append(serial.charAt(i));
}
return builder.toString().toUpperCase();
}
public AcceptCertificateDialog(X509Certificate certificate) {
setAlwaysOnTop(true);
String sha1Hash;
try {
sha1Hash = DavGatewayX509TrustManager.getFormattedHash(certificate);
} catch (NoSuchAlgorithmException nsa) {
sha1Hash = nsa.getMessage();
} catch (CertificateEncodingException cee) {
sha1Hash = cee.getMessage();
}
String sha1Hash = DavGatewayX509TrustManager.getFormattedHash(certificate);
SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
setTitle("DavMail: Accept certificate ?");
@ -81,8 +51,8 @@ public class AcceptCertificateDialog extends JDialog {
JPanel subjectPanel = new JPanel();
subjectPanel.setLayout(new BoxLayout(subjectPanel, BoxLayout.Y_AXIS));
subjectPanel.setBorder(BorderFactory.createTitledBorder("Server Certificate"));
addFieldValue(subjectPanel, "Issued to", getRDN(certificate.getSubjectDN()));
addFieldValue(subjectPanel, "Issued by", getRDN(certificate.getIssuerDN()));
addFieldValue(subjectPanel, "Issued to", DavGatewayX509TrustManager.getRDN(certificate.getSubjectDN()));
addFieldValue(subjectPanel, "Issued by", DavGatewayX509TrustManager.getRDN(certificate.getIssuerDN()));
Date now = new Date();
String notBefore = formatter.format(certificate.getNotBefore());
if (now.before(certificate.getNotBefore())) {
@ -94,7 +64,7 @@ public class AcceptCertificateDialog extends JDialog {
notAfter = "<html><font color=\"#FF0000\">"+notAfter+"</font></html>";
}
addFieldValue(subjectPanel, "Valid until", notAfter);
addFieldValue(subjectPanel, "Serial", getFormattedSerial(certificate));
addFieldValue(subjectPanel, "Serial", DavGatewayX509TrustManager.getFormattedSerial(certificate));
addFieldValue(subjectPanel, "FingerPrint", sha1Hash);
JPanel warningPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));