import javax.servlet.http.HttpServletRequest;
import org.cacert.gigi.Certificate;
+import org.cacert.gigi.Certificate.CSRType;
import org.cacert.gigi.Digest;
import org.cacert.gigi.EmailAddress;
+import org.cacert.gigi.GigiApiException;
import org.cacert.gigi.Language;
import org.cacert.gigi.User;
-import org.cacert.gigi.Certificate.CSRType;
+import org.cacert.gigi.crypto.SPKAC;
import org.cacert.gigi.output.Form;
import org.cacert.gigi.output.template.HashAlgorithms;
import org.cacert.gigi.output.template.IterableDataset;
import org.cacert.gigi.output.template.Template;
import org.cacert.gigi.pages.LoginPage;
+import org.cacert.gigi.pages.Page;
+import org.cacert.gigi.util.PEM;
import org.cacert.gigi.util.RandomToken;
import sun.security.pkcs10.PKCS10;
+import sun.security.util.DerInputStream;
+import sun.security.util.DerValue;
+import sun.security.x509.AlgorithmId;
/**
* This class represents a form that is used for issuing certificates. This
public IssueCertificateForm(HttpServletRequest hsr) {
super(hsr);
- u = LoginPage.getUser(hsr);
+ u = Page.getUser(hsr);
spkacChallange = RandomToken.generateToken(16);
}
String csr = req.getParameter("CSR");
String spkac = req.getParameter("SPKAC");
try {
- if (csr != null) {
- PKCS10 parsed = parseCSR(csr);
- out.println(parsed.getSubjectName().getCommonName());
- out.println(parsed.getSubjectName().getCountry());
- out.println("CSR DN: " + parsed.getSubjectName() + "<br/>");
- PublicKey pk = parsed.getSubjectPublicKeyInfo();
- out.println("Type: " + pk.getAlgorithm() + "<br/>");
- if (pk instanceof RSAPublicKey) {
- out.println("Exponent: " + ((RSAPublicKey) pk).getPublicExponent() + "<br/>");
- out.println("Length: " + ((RSAPublicKey) pk).getModulus().bitLength());
- } else if (pk instanceof DSAPublicKey) {
- DSAPublicKey dpk = (DSAPublicKey) pk;
- out.println("Length: " + dpk.getY().bitLength() + "<br/>");
- out.println(dpk.getParams());
- } else if (pk instanceof ECPublicKey) {
- ECPublicKey epk = (ECPublicKey) pk;
- out.println("Length-x: " + epk.getW().getAffineX().bitLength() + "<br/>");
- out.println("Length-y: " + epk.getW().getAffineY().bitLength() + "<br/>");
- out.println(epk.getParams().getCurve());
- }
- out.println("<br/>digest: sha256<br/>");
- this.csr = csr;
- this.csrType = CSRType.CSR;
- } else if (spkac != null) {
- this.csr = "SPKAC=" + spkac.replaceAll("[\r\n]", "");
- this.csrType = CSRType.SPKAC;
- } else {
- login = "1".equals(req.getParameter("login"));
- String hashAlg = req.getParameter("hash_alg");
- if (hashAlg != null) {
- selectedDigest = Digest.valueOf(hashAlg);
- }
- if (req.getParameter("CCA") == null) {
- outputError(out, req, "You need to accept the CCA.");
- return false;
- }
- System.out.println("issuing " + selectedDigest);
- result = new Certificate(LoginPage.getUser(req).getId(), "/commonName=CAcert WoT User", selectedDigest.toString(), this.csr, this.csrType);
- try {
+ try {
+ if (csr != null) {
+ byte[] data = PEM.decode("(NEW )?CERTIFICATE REQUEST", csr);
+ PKCS10 parsed = new PKCS10(data);
+
+ out.println(parsed.getSubjectName().getCommonName());
+ out.println(parsed.getSubjectName().getCountry());
+ out.println("CSR DN: " + parsed.getSubjectName() + "<br/>");
+ PublicKey pk = parsed.getSubjectPublicKeyInfo();
+ checkKeyStrength(pk, out);
+ String sign = getSignatureAlgorithm(data);
+ out.println("<br/>digest: " + sign + "<br/>");
+
+ this.csr = csr;
+ this.csrType = CSRType.CSR;
+ } else if (spkac != null) {
+ String cleanedSPKAC = spkac.replaceAll("[\r\n]", "");
+ byte[] data = Base64.getDecoder().decode(cleanedSPKAC);
+ SPKAC parsed = new SPKAC(data);
+ if ( !parsed.getChallenge().equals(spkacChallange)) {
+ throw new GigiApiException("Challange mismatch");
+ }
+ checkKeyStrength(parsed.getPubkey(), out);
+ String sign = getSignatureAlgorithm(data);
+ out.println("<br/>digest: " + sign + "<br/>");
+
+ // spkacChallange
+ this.csr = "SPKAC=" + cleanedSPKAC;
+ this.csrType = CSRType.SPKAC;
+
+ } else {
+ login = "1".equals(req.getParameter("login"));
+ String hashAlg = req.getParameter("hash_alg");
+ if (hashAlg != null) {
+ selectedDigest = Digest.valueOf(hashAlg);
+ }
+ if (req.getParameter("CCA") == null) {
+ outputError(out, req, "You need to accept the CCA.");
+ return false;
+ }
+ System.out.println("issuing " + selectedDigest);
+ result = new Certificate(LoginPage.getUser(req).getId(), "/commonName=CAcert WoT User", selectedDigest.toString(), this.csr, this.csrType);
result.issue().waitFor(60000);
return true;
- } catch (SQLException e) {
- e.printStackTrace();
- } catch (InterruptedException e) {
- e.printStackTrace();
}
- return false;
+ } catch (IOException e) {
+ e.printStackTrace();
+ } catch (IllegalArgumentException e) {
+ throw new GigiApiException("Certificate Request format is invalid.");
+ } catch (GeneralSecurityException e) {
+ throw new GigiApiException("Certificate Request format is invalid.");
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ } catch (SQLException e) {
+ throw new GigiApiException(e);
}
- } catch (IOException e) {
- e.printStackTrace();
- } catch (GeneralSecurityException e) {
- e.printStackTrace();
+ } catch (GigiApiException e) {
+ e.format(out, Page.getLanguage(req));
}
return false;
}
- private PKCS10 parseCSR(String csr) throws IOException, GeneralSecurityException {
- csr = csr.replaceFirst("-----BEGIN (NEW )?CERTIFICATE REQUEST-----", "");
- csr = csr.replaceFirst("-----END (NEW )?CERTIFICATE REQUEST-----", "");
- csr = csr.replace("\r", "");
- csr = csr.replace("\n", "");
- byte[] b = Base64.getDecoder().decode(csr);
- // Also checks signature validity
- return new PKCS10(b);
+ private void checkKeyStrength(PublicKey pk, PrintWriter out) {
+ out.println("Type: " + pk.getAlgorithm() + "<br/>");
+ if (pk instanceof RSAPublicKey) {
+ out.println("Exponent: " + ((RSAPublicKey) pk).getPublicExponent() + "<br/>");
+ out.println("Length: " + ((RSAPublicKey) pk).getModulus().bitLength());
+ } else if (pk instanceof DSAPublicKey) {
+ DSAPublicKey dpk = (DSAPublicKey) pk;
+ out.println("Length: " + dpk.getY().bitLength() + "<br/>");
+ out.println(dpk.getParams());
+ } else if (pk instanceof ECPublicKey) {
+ ECPublicKey epk = (ECPublicKey) pk;
+ out.println("Length-x: " + epk.getW().getAffineX().bitLength() + "<br/>");
+ out.println("Length-y: " + epk.getW().getAffineY().bitLength() + "<br/>");
+ out.println(epk.getParams().getCurve());
+ }
+ }
+
+ private static PKCS10 parseCSR(String csr) throws IOException, GeneralSecurityException {
+ return new PKCS10(PEM.decode("(NEW )?CERTIFICATE REQUEST", csr));
+ }
+
+ private static String getSignatureAlgorithm(byte[] data) throws IOException {
+ DerInputStream in = new DerInputStream(data);
+ DerValue[] seq = in.getSequence(3);
+ return AlgorithmId.parse(seq[1]).getName();
}
@Override
projects / gigi.git / blobdiff