package club.wpia.gigi.pages.main;
-import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.Signature;
-import java.security.cert.CertificateException;
-import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.security.interfaces.RSAPrivateKey;
import java.security.spec.PKCS8EncodedKeySpec;
-import java.util.Arrays;
import java.util.Base64;
+import java.util.HashMap;
+import java.util.Locale;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import club.wpia.gigi.GigiApiException;
import club.wpia.gigi.dbObjects.Certificate;
import club.wpia.gigi.dbObjects.Certificate.CertificateStatus;
+import club.wpia.gigi.dbObjects.CertificateOwner;
import club.wpia.gigi.dbObjects.Job;
+import club.wpia.gigi.dbObjects.Organisation;
+import club.wpia.gigi.dbObjects.User;
import club.wpia.gigi.localisation.Language;
import club.wpia.gigi.output.template.Form;
+import club.wpia.gigi.output.template.MailTemplate;
import club.wpia.gigi.output.template.Template;
import club.wpia.gigi.output.template.TranslateCommand;
import club.wpia.gigi.util.PEM;
import club.wpia.gigi.util.RandomToken;
import club.wpia.gigi.util.RateLimit;
import club.wpia.gigi.util.RateLimit.RateLimitException;
+import club.wpia.gigi.util.ServerConstants;
public class KeyCompromiseForm extends Form {
+ public static final String CONFIDENTIAL_MARKER = "*CONFIDENTIAL*";
+
private static final Template t = new Template(KeyCompromiseForm.class.getResource("KeyCompromiseForm.templ"));
// 50 per 5 min
public static final String CHALLENGE_PREFIX = "This private key has been compromised. Challenge: ";
- public static final TranslateCommand NOT_LOADED = new TranslateCommand("Certificate could not be loaded");
-
public static final TranslateCommand NOT_FOUND = new TranslateCommand("Certificate to revoke not found");
+ private static final MailTemplate revocationNotice = new MailTemplate(KeyCompromiseForm.class.getResource("RevocationNotice.templ"));
+
public KeyCompromiseForm(HttpServletRequest hsr) {
super(hsr);
challenge = RandomToken.generateToken(32);
if (RATE_LIMIT.isLimitExceeded(req.getRemoteAddr())) {
throw new RateLimitException();
}
- Certificate c = null;
- X509Certificate cert = null;
- String serial = req.getParameter("serial");
- String certData = req.getParameter("cert");
- if (serial != null && !serial.isEmpty()) {
- c = fetchCertificate(serial);
- try {
- cert = c.cert();
- } catch (IOException e) {
- throw new PermamentFormException(new GigiApiException(NOT_LOADED));
- } catch (GeneralSecurityException e) {
- throw new PermamentFormException(new GigiApiException(NOT_LOADED));
- }
- }
- if (certData != null && !certData.isEmpty()) {
- X509Certificate c0;
- byte[] supplied;
- try {
- supplied = PEM.decode("CERTIFICATE", certData);
- c0 = (X509Certificate) CertificateFactory.getInstance("X509").generateCertificate(new ByteArrayInputStream(supplied));
- } catch (IllegalArgumentException e1) {
- throw new PermamentFormException(new GigiApiException("Your certificate could not be parsed"));
- } catch (CertificateException e1) {
- throw new PermamentFormException(new GigiApiException("Your certificate could not be parsed"));
- }
- try {
- String ser = c0.getSerialNumber().toString(16);
- c = fetchCertificate(ser);
- cert = c.cert();
- if ( !Arrays.equals(supplied, cert.getEncoded())) {
- throw new PermamentFormException(new GigiApiException(NOT_FOUND));
- }
- } catch (IOException e) {
- throw new PermamentFormException(new GigiApiException(NOT_LOADED));
- } catch (GeneralSecurityException e) {
- throw new PermamentFormException(new GigiApiException(NOT_LOADED));
+ Certificate c;
+ try {
+ c = Certificate.locateCertificate(req.getParameter("serial"), req.getParameter("cert"));
+ if (c == null) {
+ throw new GigiApiException(NOT_FOUND);
}
+ } catch (GigiApiException e) {
+ throw new PermamentFormException(e);
}
- if (c == null) {
- throw new PermamentFormException(new GigiApiException("No certificate identification information provided"));
+
+ X509Certificate cert;
+ try {
+ cert = c.cert();
+ } catch (IOException | GeneralSecurityException e) {
+ throw new PermamentFormException(new GigiApiException(Certificate.NOT_LOADED));
}
+
if (c.getStatus() == CertificateStatus.REVOKED) {
return new SuccessMessageResult(new TranslateCommand("Certificate had already been revoked"));
}
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
- Job j = c.revoke(challenge, Base64.getEncoder().encodeToString(signature), "");
+ String message = req.getParameter("message");
+ if (message != null && message.isEmpty()) {
+ message = null;
+ }
+ if (message != null) {
+ if (message.startsWith(CONFIDENTIAL_MARKER)) {
+ message = " " + message;
+ }
+ String confidential = req.getParameter("confidential");
+ if (confidential != null && !confidential.isEmpty()) {
+ message = CONFIDENTIAL_MARKER + "\r\n" + message;
+ }
+ if (message.contains("---")) {
+ throw new GigiApiException("Your message may not contain '---'.");
+ }
+ // convert all line endings to CRLF
+ message = message.replace("\r\n", "\n").replace("\r", "\n").replace("\n", "\r\n");
+ if ( !message.matches("[ -~\r\n\t]*")) {
+ throw new GigiApiException("Your message may only contain printable ASCII characters, tab, newline and space.");
+ }
+ }
+ CertificateOwner co = c.getOwner();
+ String primaryEmail;
+ Language l = Language.getInstance(Locale.ENGLISH);
+ if (co instanceof User) {
+ primaryEmail = ((User) co).getEmail();
+ l = Language.getInstance(((User) co).getPreferredLocale());
+ } else if (co instanceof Organisation) {
+ primaryEmail = ((Organisation) co).getContactEmail();
+ } else {
+ throw new IllegalArgumentException("certificate owner of unknown type");
+ }
+ HashMap<String, Object> vars = new HashMap<>();
+ vars.put("appName", ServerConstants.getAppName());
+ if (message != null && !message.startsWith(CONFIDENTIAL_MARKER)) {
+ vars.put("message", message);
+ } else {
+ vars.put("message", null);
+ }
+ vars.put("serial", c.getSerial());
+ try {
+ revocationNotice.sendMail(l, vars, primaryEmail);
+ } catch (IOException e) {
+ throw new GigiApiException("Sending the notification mail failed.");
+ }
+ Job j = c.revoke(challenge, Base64.getEncoder().encodeToString(signature), message);
if ( !j.waitFor(60000)) {
throw new PermamentFormException(new GigiApiException("Revocation timed out."));
}
return signature;
}
- private Certificate fetchCertificate(String serial) {
- Certificate c;
- serial = serial.trim().toLowerCase();
- int idx = 0;
- while (idx < serial.length() && serial.charAt(idx) == '0') {
- idx++;
- }
- serial = serial.substring(idx);
- c = Certificate.getBySerial(serial);
- if (c == null) {
- throw new PermamentFormException(new GigiApiException(NOT_FOUND));
- }
- return c;
- }
-
@Override
protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
vars.put("challenge", challenge);