tests/org/cacert/gigi/pages/account/TestCertificateAdd.java

   1 package org.cacert.gigi.pages.account;
   2
   3 import static org.hamcrest.CoreMatchers.*;
   4 import static org.junit.Assert.*;
   5
   6 import java.io.ByteArrayInputStream;
   7 import java.io.IOException;
   8 import java.io.InputStreamReader;
   9 import java.io.OutputStream;
  10 import java.io.UnsupportedEncodingException;
  11 import java.net.HttpURLConnection;
  12 import java.net.MalformedURLException;
  13 import java.net.URL;
  14 import java.net.URLConnection;
  15 import java.net.URLEncoder;
  16 import java.security.GeneralSecurityException;
  17 import java.security.KeyPair;
  18 import java.security.Signature;
  19 import java.security.cert.Certificate;
  20 import java.security.cert.CertificateException;
  21 import java.security.cert.CertificateFactory;
  22 import java.security.cert.X509Certificate;
  23 import java.text.SimpleDateFormat;
  24 import java.util.Arrays;
  25 import java.util.Base64;
  26 import java.util.Calendar;
  27 import java.util.Date;
  28 import java.util.TimeZone;
  29 import java.util.Vector;
  30 import java.util.regex.Matcher;
  31 import java.util.regex.Pattern;
  32
  33 import org.cacert.gigi.crypto.SPKAC;
  34 import org.cacert.gigi.dbObjects.CertificateOwner;
  35 import org.cacert.gigi.dbObjects.Digest;
  36 import org.cacert.gigi.pages.account.certs.CertificateAdd;
  37 import org.cacert.gigi.pages.account.certs.CertificateRequest;
  38 import org.cacert.gigi.testUtils.ClientTest;
  39 import org.cacert.gigi.testUtils.IOUtils;
  40 import org.cacert.gigi.util.PEM;
  41 import org.junit.Test;
  42
  43 import sun.security.pkcs.PKCS7;
  44 import sun.security.pkcs.PKCS9Attribute;
  45 import sun.security.pkcs10.PKCS10Attribute;
  46 import sun.security.pkcs10.PKCS10Attributes;
  47 import sun.security.util.ObjectIdentifier;
  48 import sun.security.x509.CertificateExtensions;
  49 import sun.security.x509.DNSName;
  50 import sun.security.x509.ExtendedKeyUsageExtension;
  51 import sun.security.x509.GeneralName;
  52 import sun.security.x509.GeneralNameInterface;
  53 import sun.security.x509.GeneralNames;
  54 import sun.security.x509.RFC822Name;
  55 import sun.security.x509.SubjectAlternativeNameExtension;
  56 import sun.security.x509.X509Key;
  57
  58 public class TestCertificateAdd extends ClientTest {
  59
  60     private static class OnPageError extends Error {
  61
  62         private static final long serialVersionUID = 1L;
  63
  64         public OnPageError(String page) {
  65             super(page);
  66         }
  67     }
  68
  69     KeyPair kp = generateKeypair();
  70
  71     String csrf;
  72
  73     public TestCertificateAdd() throws GeneralSecurityException, IOException {
  74         TestDomain.addDomain(cookie, uniq + ".tld");
  75
  76     }
  77
  78     @Test
  79     public void testSimpleServer() throws IOException, GeneralSecurityException {
  80         PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
  81                 CertificateRequest.OID_KEY_USAGE_SSL_SERVER
  82         }, new DNSName(uniq + ".tld"));
  83
  84         String pem = generatePEMCSR(kp, "CN=a." + uniq + ".tld", atts);
  85
  86         String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
  87         assertArrayEquals(new String[] {
  88                 "server", CertificateRequest.DEFAULT_CN, "dns:a." + uniq + ".tld\ndns:" + uniq + ".tld\n", Digest.SHA256.toString()
  89         }, res);
  90     }
  91
  92     @Test
  93     public void testSimpleMail() throws IOException, GeneralSecurityException {
  94         PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
  95                 CertificateRequest.OID_KEY_USAGE_EMAIL_PROTECTION
  96         }, new DNSName("a." + uniq + ".tld"), new DNSName("b." + uniq + ".tld"), new RFC822Name(email));
  97
  98         String pem = generatePEMCSR(kp, "CN=a b", atts, "SHA384WithRSA");
  99
 100         String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
 101         assertArrayEquals(new String[] {
 102                 "mail", "a b", "email:" + email + "\ndns:a." + uniq + ".tld\ndns:b." + uniq + ".tld\n", Digest.SHA384.toString()
 103         }, res);
 104     }
 105
 106     @Test
 107     public void testSimpleClient() throws IOException, GeneralSecurityException {
 108         PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
 109                 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
 110         }, new RFC822Name(email));
 111
 112         String pem = generatePEMCSR(kp, "CN=a b,email=" + email, atts, "SHA512WithRSA");
 113
 114         String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
 115         assertArrayEquals(new String[] {
 116                 "client", "a b", "email:" + email + "\n", Digest.SHA512.toString()
 117         }, res);
 118     }
 119
 120     @Test
 121     public void testSPKAC() throws GeneralSecurityException, IOException {
 122         testSPKAC(false);
 123         testSPKAC(true);
 124     }
 125
 126     @Test
 127     public void testIssue() throws IOException, GeneralSecurityException {
 128         PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
 129                 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
 130         }, new RFC822Name(email));
 131
 132         String pem = generatePEMCSR(kp, "CN=a b,email=" + email, atts, "SHA512WithRSA");
 133
 134         String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
 135         assertArrayEquals(new String[] {
 136                 "client", "a b", "email:" + email + "\n", Digest.SHA512.toString()
 137         }, res);
 138
 139         HttpURLConnection huc = (HttpURLConnection) ncert.openConnection();
 140         huc.setRequestProperty("Cookie", cookie);
 141         huc.setDoOutput(true);
 142         OutputStream out = huc.getOutputStream();
 143         out.write(("csrf=" + URLEncoder.encode(csrf, "UTF-8")).getBytes("UTF-8"));
 144         out.write(("&CN=" + URLEncoder.encode(CertificateRequest.DEFAULT_CN, "UTF-8") + "&profile=client&SANs=" + URLEncoder.encode("email:" + email + "\n", "UTF-8")).getBytes("UTF-8"));
 145         out.write(("&hash_alg=SHA512").getBytes("UTF-8"));
 146         URLConnection uc = authenticate(new URL(huc.getHeaderField("Location") + ".crt"));
 147         String crt = IOUtils.readURL(new InputStreamReader(uc.getInputStream(), "UTF-8"));
 148
 149         uc = authenticate(new URL(huc.getHeaderField("Location") + ".cer"));
 150         byte[] cer = IOUtils.readURL(uc.getInputStream());
 151         assertArrayEquals(cer, PEM.decode("CERTIFICATE", crt));
 152
 153         uc = authenticate(new URL(huc.getHeaderField("Location") + ".cer?install&chain"));
 154         byte[] pkcs7 = IOUtils.readURL(uc.getInputStream());
 155         PKCS7 p7 = new PKCS7(pkcs7);
 156         byte[] sub = verifyChain(p7.getCertificates());
 157         assertArrayEquals(cer, sub);
 158         assertEquals("application/x-x509-user-cert", uc.getHeaderField("Content-type"));
 159
 160         uc = authenticate(new URL(huc.getHeaderField("Location")));
 161         String gui = IOUtils.readURL(uc);
 162         Pattern p = Pattern.compile("-----BEGIN CERTIFICATE-----[^-]+-----END CERTIFICATE-----");
 163         Matcher m = p.matcher(gui);
 164         assertTrue(m.find());
 165         byte[] cert = PEM.decode("CERTIFICATE", m.group(0));
 166         Certificate c = CertificateFactory.getInstance("X509").generateCertificate(new ByteArrayInputStream(cert));
 167         gui = c.toString();
 168         assertThat(gui, containsString("clientAuth"));
 169         assertThat(gui, containsString("CN=" + CertificateRequest.DEFAULT_CN));
 170         assertThat(gui, containsString("SHA512withRSA"));
 171         assertThat(gui, containsString("RFC822Name: " + email));
 172
 173     }
 174
 175     private byte[] verifyChain(X509Certificate[] x509Certificates) throws GeneralSecurityException {
 176         X509Certificate current = null;
 177         nextCert:
 178         while (true) {
 179             for (int i = 0; i < x509Certificates.length; i++) {
 180                 X509Certificate cert = x509Certificates[i];
 181                 if (current == null) {
 182                     if (cert.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
 183                         current = cert;
 184                         continue nextCert;
 185                     }
 186                 } else {
 187                     if (cert.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
 188                         continue;
 189                     }
 190                     if (current.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
 191                         Signature s = Signature.getInstance(cert.getSigAlgName());
 192                         s.initVerify(current.getPublicKey());
 193                         s.update(cert.getTBSCertificate());
 194                         assertTrue(s.verify(cert.getSignature()));
 195                         current = cert;
 196                         continue nextCert;
 197                     }
 198                 }
 199             }
 200             assertNotNull(current);
 201             return current.getEncoded();
 202         }
 203     }
 204
 205     @Test
 206     public void testValidityPeriodCalendar() throws IOException, GeneralSecurityException {
 207         testCertificateValidityRelative(Calendar.YEAR, 2, "2y", true);
 208         testCertificateValidityRelative(Calendar.YEAR, 1, "1y", true);
 209         testCertificateValidityRelative(Calendar.MONTH, 3, "3m", true);
 210         testCertificateValidityRelative(Calendar.MONTH, 7, "7m", true);
 211         testCertificateValidityRelative(Calendar.MONTH, 13, "13m", true);
 212
 213         testCertificateValidityRelative(Calendar.MONTH, 13, "-1m", false);
 214     }
 215
 216     @Test
 217     public void testValidityPeriodWhishStart() throws IOException, GeneralSecurityException {
 218         long now = System.currentTimeMillis();
 219         final long MS_PER_DAY = 24 * 60 * 60 * 1000;
 220         now -= now % MS_PER_DAY;
 221         now += MS_PER_DAY;
 222         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
 223         sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
 224
 225         Date start = new Date(now);
 226         Date end = new Date(now + MS_PER_DAY * 10);
 227         String validity = "&validFrom=" + sdf.format(start) + "&validity=" + sdf.format(end);
 228         X509Certificate res = createCertWithValidity(validity, false);
 229         assertNotNull(validity, res);
 230         assertEquals(start, res.getNotBefore());
 231         assertEquals(end, res.getNotAfter());
 232     }
 233
 234     private void testCertificateValidityRelative(int field, int amount, String length, boolean shouldsucceed) throws IOException, GeneralSecurityException, UnsupportedEncodingException, MalformedURLException, CertificateException {
 235         X509Certificate parsed = createCertWithValidity("&validFrom=now&validity=" + length, false);
 236         if (parsed == null) {
 237             assertTrue( !shouldsucceed);
 238             return;
 239         } else {
 240             assertTrue(shouldsucceed);
 241         }
 242
 243         long now = System.currentTimeMillis();
 244         Date start = parsed.getNotBefore();
 245         Date end = parsed.getNotAfter();
 246         Calendar c = Calendar.getInstance();
 247         c.setTimeZone(TimeZone.getTimeZone("UTC"));
 248         c.setTime(start);
 249         c.add(field, amount);
 250         assertTrue(Math.abs(start.getTime() - now) < 10000);
 251         assertEquals(c.getTime(), end);
 252     }
 253
 254     private X509Certificate createCertWithValidity(String validity, boolean login) throws IOException, GeneralSecurityException, UnsupportedEncodingException, MalformedURLException, CertificateException {
 255         PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
 256                 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
 257         }, new RFC822Name(email));
 258
 259         String pem = generatePEMCSR(kp, "CN=a b", atts, "SHA512WithRSA");
 260         fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
 261
 262         HttpURLConnection huc = (HttpURLConnection) ncert.openConnection();
 263         huc.setRequestProperty("Cookie", cookie);
 264         huc.setDoOutput(true);
 265         OutputStream out = huc.getOutputStream();
 266         out.write(("csrf=" + URLEncoder.encode(csrf, "UTF-8")).getBytes("UTF-8"));
 267         out.write(("&profile=client&CN=" + CertificateRequest.DEFAULT_CN + "&SANs=" + URLEncoder.encode("email:" + email + "\n", "UTF-8")).getBytes("UTF-8"));
 268         out.write(("&hash_alg=SHA512&").getBytes("UTF-8"));
 269         if (login) {
 270             out.write(("login=1&").getBytes("UTF-8"));
 271         }
 272         out.write(validity.getBytes("UTF-8"));
 273
 274         String certurl = huc.getHeaderField("Location");
 275         if (certurl == null) {
 276             return null;
 277         }
 278         URLConnection uc = authenticate(new URL(certurl + ".crt"));
 279         String crt = IOUtils.readURL(new InputStreamReader(uc.getInputStream(), "UTF-8"));
 280
 281         CertificateFactory cf = CertificateFactory.getInstance("X.509");
 282         X509Certificate parsed = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(crt.getBytes("UTF-8")));
 283         return parsed;
 284     }
 285
 286     private URLConnection authenticate(URL url) throws IOException {
 287         URLConnection uc = url.openConnection();
 288         uc.setRequestProperty("Cookie", cookie);
 289         return uc;
 290     }
 291
 292     protected String testSPKAC(boolean correctChallange) throws GeneralSecurityException, IOException {
 293         HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
 294         uc.setRequestProperty("Cookie", cookie);
 295         String s = IOUtils.readURL(uc);
 296
 297         csrf = extractPattern(s, Pattern.compile("<input [^>]*name='csrf' [^>]*value='([^']*)'>"));
 298         String challenge = extractPattern(s, Pattern.compile("<keygen [^>]*name=\"SPKAC\" [^>]*challenge=\"([^\"]*)\"/>"));
 299
 300         SPKAC spk = new SPKAC((X509Key) kp.getPublic(), challenge + (correctChallange ? "" : "b"));
 301         Signature sign = Signature.getInstance("SHA512WithRSA");
 302         sign.initSign(kp.getPrivate());
 303         try {
 304             String[] res = fillOutFormDirect("SPKAC=" + URLEncoder.encode(Base64.getEncoder().encodeToString(spk.getEncoded(sign)), "UTF-8"));
 305             if ( !correctChallange) {
 306                 fail("Should not succeed with wrong challange.");
 307             }
 308             assertArrayEquals(new String[] {
 309                     "client", CertificateRequest.DEFAULT_CN, "", Digest.SHA512.toString()
 310             }, res);
 311         } catch (OnPageError e) {
 312             String error = fetchStartErrorMessage(e.getMessage());
 313             assertTrue(error, error.startsWith("<p>Challenge mismatch"));
 314         }
 315         return csrf;
 316     }
 317
 318     private PKCS10Attributes buildAtts(ObjectIdentifier[] ekuOIDs, GeneralNameInterface... SANs) throws IOException {
 319         CertificateExtensions attributeValue = new CertificateExtensions();
 320         GeneralNames names = new GeneralNames();
 321
 322         for (GeneralNameInterface name : SANs) {
 323             names.add(new GeneralName(name));
 324         }
 325         attributeValue.set("SANs", new SubjectAlternativeNameExtension(names));
 326         PKCS10Attributes atts = new PKCS10Attributes(new PKCS10Attribute[] {
 327                 new PKCS10Attribute(PKCS9Attribute.EXTENSION_REQUEST_OID, attributeValue)
 328         });
 329         ExtendedKeyUsageExtension eku = new ExtendedKeyUsageExtension(//
 330                 new Vector<>(Arrays.<ObjectIdentifier>asList(ekuOIDs)));
 331         attributeValue.set("eku", eku);
 332         return atts;
 333     }
 334
 335     private final URL ncert = new URL("https://" + getServerName() + CertificateAdd.PATH);
 336
 337     private String[] fillOutForm(String pem) throws IOException {
 338         HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
 339         uc.setRequestProperty("Cookie", cookie);
 340         csrf = getCSRF(uc);
 341         return fillOutFormDirect(pem);
 342
 343     }
 344
 345     private String[] fillOutFormDirect(String pem) throws IOException {
 346
 347         HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
 348         uc.setRequestProperty("Cookie", cookie);
 349         uc.setDoOutput(true);
 350         uc.getOutputStream().write(("csrf=" + URLEncoder.encode(csrf, "UTF-8") + "&" + pem).getBytes("UTF-8"));
 351         uc.getOutputStream().flush();
 352
 353         return extractFormData(uc);
 354     }
 355
 356     private String[] extractFormData(HttpURLConnection uc) throws IOException, Error {
 357         String result = IOUtils.readURL(uc);
 358         if (hasError().matches(result)) {
 359             throw new OnPageError(result);
 360         }
 361
 362         String profileKey = extractPattern(result, Pattern.compile("<option value=\"([^\"]*)\" selected>"));
 363         String resultingCN = extractPattern(result, Pattern.compile("<input [^>]*name='CN' [^>]*value='([^']*)'/>"));
 364         String txt = extractPattern(result, Pattern.compile("<textarea [^>]*name='SANs' [^>]*>([^<]*)</textarea>"));
 365         String md = extractPattern(result, Pattern.compile("<input type=\"radio\" [^>]*name=\"hash_alg\" value=\"([^\"]*)\" checked='checked'/>"));
 366         return new String[] {
 367                 profileKey, resultingCN, txt, md
 368         };
 369     }
 370
 371     private String extractPattern(String result, Pattern p) {
 372         Matcher m = p.matcher(result);
 373         assertTrue(m.find());
 374         String resultingCN = m.group(1);
 375         return resultingCN;
 376     }
 377
 378     @Test
 379     public void testSetLoginEnabled() throws IOException, GeneralSecurityException {
 380         X509Certificate parsedLoginNotEnabled = createCertWithValidity("&validFrom=now&validity=1m", false);
 381         assertNull(CertificateOwner.getByEnabledSerial(parsedLoginNotEnabled.getSerialNumber().toString(16).toLowerCase()));
 382
 383         X509Certificate parsedLoginEnabled = createCertWithValidity("&validFrom=now&validity=1m", true);
 384         assertEquals(u, CertificateOwner.getByEnabledSerial(parsedLoginEnabled.getSerialNumber().toString(16).toLowerCase()));
 385     }
 386 }