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