1 package org.cacert.gigi.pages.account;
3 import java.io.IOException;
4 import java.io.PrintWriter;
5 import java.security.GeneralSecurityException;
6 import java.security.PublicKey;
7 import java.security.interfaces.DSAPublicKey;
8 import java.security.interfaces.ECPublicKey;
9 import java.security.interfaces.RSAPublicKey;
10 import java.sql.SQLException;
11 import java.util.Base64;
12 import java.util.HashMap;
15 import javax.servlet.http.HttpServletRequest;
17 import org.cacert.gigi.Certificate;
18 import org.cacert.gigi.Certificate.CSRType;
19 import org.cacert.gigi.CertificateProfile;
20 import org.cacert.gigi.Digest;
21 import org.cacert.gigi.EmailAddress;
22 import org.cacert.gigi.GigiApiException;
23 import org.cacert.gigi.User;
24 import org.cacert.gigi.crypto.SPKAC;
25 import org.cacert.gigi.localisation.Language;
26 import org.cacert.gigi.output.Form;
27 import org.cacert.gigi.output.template.HashAlgorithms;
28 import org.cacert.gigi.output.template.IterableDataset;
29 import org.cacert.gigi.output.template.Template;
30 import org.cacert.gigi.pages.LoginPage;
31 import org.cacert.gigi.pages.Page;
32 import org.cacert.gigi.util.PEM;
33 import org.cacert.gigi.util.RandomToken;
35 import sun.security.pkcs10.PKCS10;
36 import sun.security.pkcs10.PKCS10Attribute;
37 import sun.security.pkcs10.PKCS10Attributes;
38 import sun.security.util.DerInputStream;
39 import sun.security.util.DerValue;
40 import sun.security.util.ObjectIdentifier;
41 import sun.security.x509.AlgorithmId;
42 import sun.security.x509.CertificateExtensions;
43 import sun.security.x509.DNSName;
44 import sun.security.x509.ExtendedKeyUsageExtension;
45 import sun.security.x509.Extension;
46 import sun.security.x509.GeneralName;
47 import sun.security.x509.GeneralNameInterface;
48 import sun.security.x509.GeneralNames;
49 import sun.security.x509.RFC822Name;
50 import sun.security.x509.SubjectAlternativeNameExtension;
53 * This class represents a form that is used for issuing certificates. This
54 * class uses "sun.security" and therefore needs "-XDignore.symbol.file"
56 public class CertificateIssueForm extends Form {
60 Digest selectedDigest = Digest.getDefault();
66 private final static Template t = new Template(CertificateIssueForm.class.getResource("CertificateIssueForm.templ"));
68 private final static Template tIni = new Template(CertificateAdd.class.getResource("RequestCertificate.templ"));
70 String spkacChallenge;
72 public CertificateIssueForm(HttpServletRequest hsr) {
74 u = Page.getUser(hsr);
75 spkacChallenge = RandomToken.generateToken(16);
80 private CSRType csrType;
82 public Certificate getResult() {
87 public boolean submit(PrintWriter out, HttpServletRequest req) {
88 String csr = req.getParameter("CSR");
89 String spkac = req.getParameter("SPKAC");
93 byte[] data = PEM.decode("(NEW )?CERTIFICATE REQUEST", csr);
94 PKCS10 parsed = new PKCS10(data);
95 PKCS10Attributes atts = parsed.getAttributes();
96 ObjectIdentifier extensionsRequest = ObjectIdentifier.newInternal(new int[] {
97 1, 2, 840, 113549, 1, 9, 14
100 for (PKCS10Attribute b : atts.getAttributes()) {
102 if ( !b.getAttributeId().equals((Object) extensionsRequest)) {
106 Object attribs = b.getAttributeValue();
107 CertificateExtensions ce = (CertificateExtensions) attribs;
108 for (Extension c : ce.getAllExtensions()) {
109 if (c instanceof SubjectAlternativeNameExtension) {
111 SubjectAlternativeNameExtension san = (SubjectAlternativeNameExtension) c;
112 GeneralNames obj = san.get(SubjectAlternativeNameExtension.SUBJECT_NAME);
113 for (int i = 0; i < obj.size(); i++) {
114 GeneralName generalName = obj.get(i);
115 GeneralNameInterface peeled = generalName.getName();
116 if (peeled instanceof DNSName) {
117 System.out.println("is-dns: " + ((DNSName) peeled).getName());
118 } else if (peeled instanceof RFC822Name) {
119 System.out.println("is email: " + ((RFC822Name) peeled).getName());
122 } else if (c instanceof ExtendedKeyUsageExtension) {
123 ExtendedKeyUsageExtension ekue = (ExtendedKeyUsageExtension) c;
124 for (String s : ekue.getExtendedKeyUsage()) {
125 System.out.println("Usage: " + s);
126 if (s.equals("1.3.6.1.5.5.7.3.1")) {
128 } else if (s.equals("1.3.6.1.5.5.7.3.2")) {
130 } else if (s.equals("1.3.6.1.5.5.7.3.3")) {
132 } else if (s.equals("1.3.6.1.5.5.7.3.4")) {
133 System.out.println("Us: emailProtection");
134 } else if (s.equals("1.3.6.1.5.5.7.3.8")) {
136 } else if (s.equals("1.3.6.1.5.5.7.3.9")) {
141 // Unknown requestet extension
146 out.println(parsed.getSubjectName().getCommonName());
147 out.println(parsed.getSubjectName().getCountry());
148 out.println("CSR DN: " + parsed.getSubjectName() + "<br/>");
149 PublicKey pk = parsed.getSubjectPublicKeyInfo();
150 checkKeyStrength(pk, out);
151 String sign = getSignatureAlgorithm(data);
152 out.println("<br/>digest: " + sign + "<br/>");
155 this.csrType = CSRType.CSR;
156 } else if (spkac != null) {
157 String cleanedSPKAC = spkac.replaceAll("[\r\n]", "");
158 byte[] data = Base64.getDecoder().decode(cleanedSPKAC);
159 SPKAC parsed = new SPKAC(data);
160 if ( !parsed.getChallenge().equals(spkacChallenge)) {
161 throw new GigiApiException("Challenge mismatch");
163 checkKeyStrength(parsed.getPubkey(), out);
164 String sign = getSignatureAlgorithm(data);
165 out.println("<br/>digest: " + sign + "<br/>");
168 this.csr = "SPKAC=" + cleanedSPKAC;
169 this.csrType = CSRType.SPKAC;
172 login = "1".equals(req.getParameter("login"));
173 String hashAlg = req.getParameter("hash_alg");
174 if (hashAlg != null) {
175 selectedDigest = Digest.valueOf(hashAlg);
177 if (req.getParameter("CCA") == null) {
178 outputError(out, req, "You need to accept the CCA.");
181 CertificateProfile profile = CertificateProfile.getByName(req.getParameter("profile"));
183 System.out.println("issuing " + selectedDigest);
184 result = new Certificate(LoginPage.getUser(req).getId(), "/commonName=CAcert WoT User", selectedDigest.toString(), this.csr, this.csrType, profile);
185 result.issue().waitFor(60000);
188 } catch (IOException e) {
190 } catch (IllegalArgumentException e) {
191 throw new GigiApiException("Certificate Request format is invalid.");
192 } catch (GeneralSecurityException e) {
193 throw new GigiApiException("Certificate Request format is invalid.");
194 } catch (InterruptedException e) {
196 } catch (SQLException e) {
197 throw new GigiApiException(e);
199 } catch (GigiApiException e) {
200 e.format(out, Page.getLanguage(req));
205 private void checkKeyStrength(PublicKey pk, PrintWriter out) {
206 out.println("Type: " + pk.getAlgorithm() + "<br/>");
207 if (pk instanceof RSAPublicKey) {
208 out.println("Exponent: " + ((RSAPublicKey) pk).getPublicExponent() + "<br/>");
209 out.println("Length: " + ((RSAPublicKey) pk).getModulus().bitLength());
210 } else if (pk instanceof DSAPublicKey) {
211 DSAPublicKey dpk = (DSAPublicKey) pk;
212 out.println("Length: " + dpk.getY().bitLength() + "<br/>");
213 out.println(dpk.getParams());
214 } else if (pk instanceof ECPublicKey) {
215 ECPublicKey epk = (ECPublicKey) pk;
216 out.println("Length-x: " + epk.getW().getAffineX().bitLength() + "<br/>");
217 out.println("Length-y: " + epk.getW().getAffineY().bitLength() + "<br/>");
218 out.println(epk.getParams().getCurve());
222 private static PKCS10 parseCSR(String csr) throws IOException, GeneralSecurityException {
223 return new PKCS10(PEM.decode("(NEW )?CERTIFICATE REQUEST", csr));
226 private static String getSignatureAlgorithm(byte[] data) throws IOException {
227 DerInputStream in = new DerInputStream(data);
228 DerValue[] seq = in.getSequence(3);
229 return AlgorithmId.parse(seq[1]).getName();
233 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
235 HashMap<String, Object> vars2 = new HashMap<String, Object>(vars);
236 vars2.put("csrf", getCSRFToken());
237 vars2.put("csrf_name", getCsrfFieldName());
238 vars2.put("spkacChallenge", spkacChallenge);
239 tIni.output(out, l, vars2);
242 super.output(out, l, vars);
247 protected void outputContent(PrintWriter out, Language l, Map<String, Object> vars) {
248 HashMap<String, Object> vars2 = new HashMap<String, Object>(vars);
249 vars2.put("CCA", "<a href='/policy/CAcertCommunityAgreement.html'>CCA</a>");
251 final EmailAddress[] ea = u.getEmails();
252 vars2.put("emails", new IterableDataset() {
257 public boolean next(Language l, Map<String, Object> vars) {
258 if (count >= ea.length) {
261 vars.put("id", ea[count].getId());
262 vars.put("value", ea[count].getAddress());
267 vars2.put("hashs", new HashAlgorithms(selectedDigest));
268 vars2.put("profiles", new IterableDataset() {
273 public boolean next(Language l, Map<String, Object> vars) {
274 CertificateProfile cp = CertificateProfile.getById(i++);
278 vars.put("key", cp.getKeyName());
279 vars.put("name", cp.getVisibleName());
283 t.output(out, l, vars2);