1 package org.cacert.gigi.pages.account;
3 import static org.hamcrest.CoreMatchers.*;
4 import static org.junit.Assert.*;
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;
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;
33 import org.cacert.gigi.crypto.SPKAC;
34 import org.cacert.gigi.dbObjects.Digest;
35 import org.cacert.gigi.pages.account.certs.CertificateAdd;
36 import org.cacert.gigi.pages.account.certs.CertificateRequest;
37 import org.cacert.gigi.testUtils.ClientTest;
38 import org.cacert.gigi.testUtils.IOUtils;
39 import org.cacert.gigi.util.PEM;
40 import org.junit.Test;
42 import sun.security.pkcs.PKCS7;
43 import sun.security.pkcs.PKCS9Attribute;
44 import sun.security.pkcs10.PKCS10Attribute;
45 import sun.security.pkcs10.PKCS10Attributes;
46 import sun.security.util.ObjectIdentifier;
47 import sun.security.x509.CertificateExtensions;
48 import sun.security.x509.DNSName;
49 import sun.security.x509.ExtendedKeyUsageExtension;
50 import sun.security.x509.GeneralName;
51 import sun.security.x509.GeneralNameInterface;
52 import sun.security.x509.GeneralNames;
53 import sun.security.x509.RFC822Name;
54 import sun.security.x509.SubjectAlternativeNameExtension;
55 import sun.security.x509.X509Key;
57 public class TestCertificateAdd extends ClientTest {
59 private static class OnPageError extends Error {
61 public OnPageError(String page) {
66 KeyPair kp = generateKeypair();
70 public TestCertificateAdd() throws GeneralSecurityException, IOException {
71 TestDomain.addDomain(cookie, uniq + ".tld");
76 public void testSimpleServer() throws IOException, GeneralSecurityException {
77 PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
78 CertificateRequest.OID_KEY_USAGE_SSL_SERVER
79 }, new DNSName(uniq + ".tld"));
81 String pem = generatePEMCSR(kp, "CN=a." + uniq + ".tld", atts);
83 String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
84 assertArrayEquals(new String[] {
85 "server", "CAcert WoT User", "dns:a." + uniq + ".tld\ndns:" + uniq + ".tld\n", Digest.SHA256.toString()
90 public void testSimpleMail() throws IOException, GeneralSecurityException {
91 PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
92 CertificateRequest.OID_KEY_USAGE_EMAIL_PROTECTION
93 }, new DNSName("a." + uniq + ".tld"), new DNSName("b." + uniq + ".tld"), new RFC822Name(email));
95 String pem = generatePEMCSR(kp, "CN=a b", atts, "SHA384WithRSA");
97 String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
98 assertArrayEquals(new String[] {
99 "mail", "a b", "email:" + email + "\ndns:a." + uniq + ".tld\ndns:b." + uniq + ".tld\n", Digest.SHA384.toString()
104 public void testSimpleClient() throws IOException, GeneralSecurityException {
105 PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
106 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
107 }, new RFC822Name(email));
109 String pem = generatePEMCSR(kp, "CN=a b,email=" + email, atts, "SHA512WithRSA");
111 String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
112 assertArrayEquals(new String[] {
113 "client", "a b", "email:" + email + "\n", Digest.SHA512.toString()
118 public void testSPKAC() throws GeneralSecurityException, IOException {
124 public void testIssue() throws IOException, GeneralSecurityException {
125 PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
126 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
127 }, new RFC822Name(email));
129 String pem = generatePEMCSR(kp, "CN=a b,email=" + email, atts, "SHA512WithRSA");
131 String[] res = fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
132 assertArrayEquals(new String[] {
133 "client", "a b", "email:" + email + "\n", Digest.SHA512.toString()
136 HttpURLConnection huc = (HttpURLConnection) ncert.openConnection();
137 huc.setRequestProperty("Cookie", cookie);
138 huc.setDoOutput(true);
139 OutputStream out = huc.getOutputStream();
140 out.write(("csrf=" + URLEncoder.encode(csrf, "UTF-8")).getBytes("UTF-8"));
141 out.write(("&CN=CAcert+WoT+User&profile=client&SANs=" + URLEncoder.encode("email:" + email + "\n", "UTF-8")).getBytes("UTF-8"));
142 out.write(("&hash_alg=SHA512").getBytes("UTF-8"));
143 URLConnection uc = authenticate(new URL(huc.getHeaderField("Location") + ".crt"));
144 String crt = IOUtils.readURL(new InputStreamReader(uc.getInputStream(), "UTF-8"));
146 uc = authenticate(new URL(huc.getHeaderField("Location") + ".cer"));
147 byte[] cer = IOUtils.readURL(uc.getInputStream());
148 assertArrayEquals(cer, PEM.decode("CERTIFICATE", crt));
150 uc = authenticate(new URL(huc.getHeaderField("Location") + ".cer?install&chain"));
151 byte[] pkcs7 = IOUtils.readURL(uc.getInputStream());
152 PKCS7 p7 = new PKCS7(pkcs7);
153 byte[] sub = verifyChain(p7.getCertificates());
154 assertArrayEquals(cer, sub);
155 assertEquals("application/x-x509-user-cert", uc.getHeaderField("Content-type"));
157 uc = authenticate(new URL(huc.getHeaderField("Location")));
158 String gui = IOUtils.readURL(uc);
159 Pattern p = Pattern.compile("-----BEGIN CERTIFICATE-----[^-]+-----END CERTIFICATE-----");
160 Matcher m = p.matcher(gui);
161 assertTrue(m.find());
162 byte[] cert = PEM.decode("CERTIFICATE", m.group(0));
163 Certificate c = CertificateFactory.getInstance("X509").generateCertificate(new ByteArrayInputStream(cert));
165 assertThat(gui, containsString("clientAuth"));
166 assertThat(gui, containsString("CN=CAcert WoT User"));
167 assertThat(gui, containsString("SHA512withRSA"));
168 assertThat(gui, containsString("RFC822Name: " + email));
172 private byte[] verifyChain(X509Certificate[] x509Certificates) throws GeneralSecurityException {
173 X509Certificate current = null;
176 for (int i = 0; i < x509Certificates.length; i++) {
177 X509Certificate cert = x509Certificates[i];
178 if (current == null) {
179 if (cert.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
184 if (cert.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
187 if (current.getSubjectX500Principal().equals(cert.getIssuerX500Principal())) {
188 Signature s = Signature.getInstance(cert.getSigAlgName());
189 s.initVerify(current.getPublicKey());
190 s.update(cert.getTBSCertificate());
191 assertTrue(s.verify(cert.getSignature()));
197 assertNotNull(current);
198 return current.getEncoded();
203 public void testValidityPeriodCalendar() throws IOException, GeneralSecurityException {
204 testCertificateValidityRelative(Calendar.YEAR, 2, "2y", true);
205 testCertificateValidityRelative(Calendar.YEAR, 1, "1y", true);
206 testCertificateValidityRelative(Calendar.MONTH, 3, "3m", true);
207 testCertificateValidityRelative(Calendar.MONTH, 7, "7m", true);
208 testCertificateValidityRelative(Calendar.MONTH, 13, "13m", true);
210 testCertificateValidityRelative(Calendar.MONTH, 13, "-1m", false);
214 public void testValidityPeriodWhishStart() throws IOException, GeneralSecurityException {
215 long now = System.currentTimeMillis();
216 final long MS_PER_DAY = 24 * 60 * 60 * 1000;
217 now -= now % MS_PER_DAY;
219 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
220 sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
222 Date start = new Date(now);
223 Date end = new Date(now + MS_PER_DAY * 10);
224 String validity = "&validFrom=" + sdf.format(start) + "&validity=" + sdf.format(end);
225 X509Certificate res = createCertWithValidity(validity);
226 assertNotNull(validity, res);
227 assertEquals(start, res.getNotBefore());
228 assertEquals(end, res.getNotAfter());
231 private void testCertificateValidityRelative(int field, int amount, String length, boolean shouldsucceed) throws IOException, GeneralSecurityException, UnsupportedEncodingException, MalformedURLException, CertificateException {
232 X509Certificate parsed = createCertWithValidity("&validFrom=now&validity=" + length);
233 if (parsed == null) {
234 assertTrue( !shouldsucceed);
237 assertTrue(shouldsucceed);
240 long now = System.currentTimeMillis();
241 Date start = parsed.getNotBefore();
242 Date end = parsed.getNotAfter();
243 Calendar c = Calendar.getInstance();
244 c.setTimeZone(TimeZone.getTimeZone("UTC"));
246 c.add(field, amount);
247 assertTrue(Math.abs(start.getTime() - now) < 10000);
248 assertEquals(c.getTime(), end);
251 private X509Certificate createCertWithValidity(String validity) throws IOException, GeneralSecurityException, UnsupportedEncodingException, MalformedURLException, CertificateException {
252 PKCS10Attributes atts = buildAtts(new ObjectIdentifier[] {
253 CertificateRequest.OID_KEY_USAGE_SSL_CLIENT
254 }, new RFC822Name(email));
256 String pem = generatePEMCSR(kp, "CN=a b", atts, "SHA512WithRSA");
257 fillOutForm("CSR=" + URLEncoder.encode(pem, "UTF-8"));
259 HttpURLConnection huc = (HttpURLConnection) ncert.openConnection();
260 huc.setRequestProperty("Cookie", cookie);
261 huc.setDoOutput(true);
262 OutputStream out = huc.getOutputStream();
263 out.write(("csrf=" + URLEncoder.encode(csrf, "UTF-8")).getBytes("UTF-8"));
264 out.write(("&profile=client&CN=" + CertificateRequest.DEFAULT_CN + "&SANs=" + URLEncoder.encode("email:" + email + "\n", "UTF-8")).getBytes("UTF-8"));
265 out.write(("&hash_alg=SHA512&").getBytes("UTF-8"));
266 out.write(validity.getBytes("UTF-8"));
268 String certurl = huc.getHeaderField("Location");
269 if (certurl == null) {
272 URLConnection uc = authenticate(new URL(certurl + ".crt"));
273 String crt = IOUtils.readURL(new InputStreamReader(uc.getInputStream(), "UTF-8"));
275 CertificateFactory cf = CertificateFactory.getInstance("X.509");
276 X509Certificate parsed = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(crt.getBytes("UTF-8")));
280 private URLConnection authenticate(URL url) throws IOException {
281 URLConnection uc = url.openConnection();
282 uc.setRequestProperty("Cookie", cookie);
286 protected String testSPKAC(boolean correctChallange) throws GeneralSecurityException, IOException {
287 HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
288 uc.setRequestProperty("Cookie", cookie);
289 String s = IOUtils.readURL(uc);
291 csrf = extractPattern(s, Pattern.compile("<input [^>]*name='csrf' [^>]*value='([^']*)'>"));
292 String challenge = extractPattern(s, Pattern.compile("<keygen [^>]*name=\"SPKAC\" [^>]*challenge=\"([^\"]*)\"/>"));
294 SPKAC spk = new SPKAC((X509Key) kp.getPublic(), challenge + (correctChallange ? "" : "b"));
295 Signature sign = Signature.getInstance("SHA512WithRSA");
296 sign.initSign(kp.getPrivate());
298 String[] res = fillOutFormDirect("SPKAC=" + URLEncoder.encode(Base64.getEncoder().encodeToString(spk.getEncoded(sign)), "UTF-8"));
299 if ( !correctChallange) {
300 fail("Should not succeed with wrong challange.");
302 assertArrayEquals(new String[] {
303 "client", CertificateRequest.DEFAULT_CN, "", Digest.SHA512.toString()
305 } catch (OnPageError e) {
306 String error = fetchStartErrorMessage(e.getMessage());
307 assertTrue(error, error.startsWith("<p>Challenge mismatch"));
312 private PKCS10Attributes buildAtts(ObjectIdentifier[] ekuOIDs, GeneralNameInterface... SANs) throws IOException {
313 CertificateExtensions attributeValue = new CertificateExtensions();
314 GeneralNames names = new GeneralNames();
316 for (GeneralNameInterface name : SANs) {
317 names.add(new GeneralName(name));
319 attributeValue.set("SANs", new SubjectAlternativeNameExtension(names));
320 PKCS10Attributes atts = new PKCS10Attributes(new PKCS10Attribute[] {
321 new PKCS10Attribute(PKCS9Attribute.EXTENSION_REQUEST_OID, attributeValue)
323 ExtendedKeyUsageExtension eku = new ExtendedKeyUsageExtension(//
324 new Vector<>(Arrays.<ObjectIdentifier>asList(ekuOIDs)));
325 attributeValue.set("eku", eku);
329 private final URL ncert = new URL("https://" + getServerName() + CertificateAdd.PATH);
331 private String[] fillOutForm(String pem) throws IOException {
332 HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
333 uc.setRequestProperty("Cookie", cookie);
335 return fillOutFormDirect(pem);
339 private String[] fillOutFormDirect(String pem) throws IOException {
341 HttpURLConnection uc = (HttpURLConnection) ncert.openConnection();
342 uc.setRequestProperty("Cookie", cookie);
343 uc.setDoOutput(true);
344 uc.getOutputStream().write(("csrf=" + URLEncoder.encode(csrf, "UTF-8") + "&" + pem).getBytes("UTF-8"));
345 uc.getOutputStream().flush();
347 return extractFormData(uc);
350 private String[] extractFormData(HttpURLConnection uc) throws IOException, Error {
351 String result = IOUtils.readURL(uc);
352 if (hasError().matches(result)) {
353 throw new OnPageError(result);
356 String profileKey = extractPattern(result, Pattern.compile("<option value=\"([^\"]*)\" selected>"));
357 String resultingCN = extractPattern(result, Pattern.compile("<input [^>]*name='CN' [^>]*value='([^']*)'/>"));
358 String txt = extractPattern(result, Pattern.compile("<textarea [^>]*name='SANs' [^>]*>([^<]*)</textarea>"));
359 String md = extractPattern(result, Pattern.compile("<input type=\"radio\" [^>]*name=\"hash_alg\" value=\"([^\"]*)\" checked='checked'/>"));
360 return new String[] {
361 profileKey, resultingCN, txt, md
365 private String extractPattern(String result, Pattern p) {
366 Matcher m = p.matcher(result);
367 assertTrue(m.find());
368 String resultingCN = m.group(1);