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ee.sk.digidoc.tsl.DigiDocTrustServiceFactory Maven / Gradle / Ivy
package ee.sk.digidoc.tsl;
import ee.sk.digidoc.*;
import java.io.*;
import java.net.URL;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.security.Principal;
import java.util.Date;
import java.util.List;
import java.util.ArrayList;
import java.util.Vector;
import ee.sk.utils.ConvertUtils;
import ee.sk.utils.ConfigManager;
import org.apache.log4j.Logger;
import ee.sk.digidoc.factory.TrustServiceFactory;
/**
* SAX implementation of TrustServiceFactory
* Provides methods for reading a DigiDoc file
* @author Veiko Sinivee
* @version 1.0
*/
public class DigiDocTrustServiceFactory
implements TrustServiceFactory
{
/** log4j logger */
private static Logger m_logger = Logger.getLogger(DigiDocTrustServiceFactory.class);
/** TSL list */
private List m_tsls;
/**
* initializes the implementation class
*/
public void init()
throws DigiDocException
{
try {
ConfigManager cfg = ConfigManager.instance();
// read in local jdigidoc config file
if(m_logger.isDebugEnabled())
m_logger.debug("Reading local config file");
TrustServiceStatusList tsl = new TrustServiceStatusList();
SchemeInformation si = new SchemeInformation();
si.setVersionIdentifier(1);
si.setSequenceNumber(1);
si.setType(SchemeInformation.TYPE_LOCAL);
tsl.setSchemeInformation(si);
m_tsls = new ArrayList();
m_tsls.add(tsl);
// read CA-s
int nCas = cfg.getIntProperty("DIGIDOC_CAS", 0);
if(m_logger.isDebugEnabled())
m_logger.debug("CA-s: " + nCas);
for(int c = 1; c <= nCas; c++) {
TrustServiceProvider tsp = addTspProvider(
cfg.getStringProperty("DIGIDOC_CA_" + c + "_NAME", null),
cfg.getStringProperty("DIGIDOC_CA_" + c + "_TRADENAME", null));
int nCerts = cfg.getIntProperty("DIGIDOC_CA_" + c + "_CERTS", 0);
for(int n = 1; n <= nCerts; n++) {
String certLoc = cfg.getStringProperty("DIGIDOC_CA_" + c + "_CERT" + n, null);
if(m_logger.isDebugEnabled())
m_logger.debug("CA" + c + " ca-cert" + n + " - " + certLoc);
try {
X509Certificate cert = readCertificate(certLoc);
if(cert != null && tsp != null)
addCATspService(tsp, cert);
} catch(Exception ex2) {
m_logger.warn("Failed to read CA cert: " + certLoc);
}
}
int nOcsps = cfg.getIntProperty("DIGIDOC_CA_" + c + "_OCSPS", 0);
if(m_logger.isDebugEnabled())
m_logger.debug("OCSP-s: " + nOcsps);
for(int n = 1; n <= nOcsps; n++) {
String certLoc = cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_CERT", null);
if(m_logger.isDebugEnabled())
m_logger.debug("CA" + c + " ocsp-cert" + n + " - " + certLoc);
TSPService tsps = null;
try {
X509Certificate cert = readCertificate(certLoc);
if(cert != null && tsp != null) {
tsps = addOcspTspService(tsp, cert,
cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_CN", null),
cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_URL", null),
cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_CN", null),
cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_CA_CN", null));
}
} catch(Exception ex2) {
m_logger.warn("Failed to read OCSP responder cert: " + certLoc);
}
int j = 1;
do {
certLoc = cfg.getStringProperty("DIGIDOC_CA_" + c + "_OCSP" + n + "_CERT_" + j, null);
if(m_logger.isDebugEnabled())
m_logger.debug("CA" + c + " ocsp-cert" + n + "/" + j + " - " + certLoc);
if(certLoc != null && tsps != null) {
try {
X509Certificate cert = readCertificate(certLoc);
if(cert != null) {
tsps.addCertificate(cert);
}
} catch(Exception ex) {
m_logger.warn("Failed to read OCSP responder cert: " + certLoc);
}
}
j++;
} while(certLoc != null);
// TODO: authority-key-identifier
}
if(m_logger.isDebugEnabled())
m_logger.debug("Local config: " + tsl);
}
// Read TSL-s
// read in all other TSL-s in tsl dir
String sTslDir = cfg.getStringProperty("DIGIDOC_TSL_DIR", null);
if(sTslDir != null && sTslDir.length() > 0) {
File fTslDir = new File(sTslDir);
File[] lTsls = fTslDir.listFiles();
for(int i = 0; (lTsls != null) && (i < lTsls.length); i++) {
File f = lTsls[i];
if(f.isFile() && f.canRead()) {
if(m_logger.isDebugEnabled())
m_logger.debug("Reading TSL: " + f.getAbsolutePath());
TslParser parser = new TslParser();
FileInputStream fis = new FileInputStream(f);
TrustServiceStatusList tsl2 = parser.readTSL(fis);
fis.close();
if(tsl2 != null) {
if(m_logger.isDebugEnabled())
m_logger.debug("Got TSL: " + tsl2);
m_tsls.add(tsl2);
}
}
}
}
} catch(DigiDocException ex) {
m_logger.error("Error init TrustServiceFactory dd: " + ex);
ex.printStackTrace();
throw ex;
} catch(Exception ex) {
m_logger.error("Error init TrustServiceFactory: " + ex);
ex.printStackTrace();
}
}
/**
* Find tsl by type name
* @param type tsl type
* @return TrustServiceStatusList object if found or null
*/
private TrustServiceStatusList findTslByType(String type)
{
for(int i = 0; (m_tsls != null) && (i < m_tsls.size()); i++) {
TrustServiceStatusList tsl = (TrustServiceStatusList)m_tsls.get(i);
if(tsl.getSchemeInformation() != null &&
tsl.getSchemeInformation().getType() != null &&
tsl.getSchemeInformation().getType().equals(type))
return tsl;
}
return null;
}
/**
* Adds info of a new Trust service provider
* @param name short name [optional]
* @param tradeName long name [optional]
* @return TrustServiceProvider object
*/
public TrustServiceProvider addTspProvider(String name, String tradeName)
{
TrustServiceStatusList tsl = findTslByType(SchemeInformation.TYPE_LOCAL);
if(tsl != null) {
TrustServiceProvider tsp = new TrustServiceProvider();
tsl.addTrustServiceProvider(tsp);
TSPInformation tsi = new TSPInformation();
tsi.addName(new MultiLangString(null, name));
tsi.addTradeName(new MultiLangString(null, tradeName));
tsp.setTSPInformation(tsi);
return tsp;
}
return null;
}
/**
* Add new CA service
* @param tspProvider TSP provider
* @param cert ca cert
* @return TSPService object
*/
public TSPService addCATspService(TrustServiceProvider tspProvider, X509Certificate cert)
{
TSPService tsps = new TSPService();
tsps.setType(TSPService.TSP_TYPE_CA_QC);
tsps.addCertificate(cert);
tsps.addSubjectName(new MultiLangString(null, cert.getSubjectDN().getName()));
tsps.addName(new MultiLangString(null, ConvertUtils.getCommonName(cert.getSubjectDN().getName())));
tsps.setCn(ConvertUtils.getCommonName(cert.getSubjectDN().getName()));
tspProvider.addTSPService(tsps);
return tsps;
}
/**
* Add new OCSP service
* @param tspProvider TSP provider
* @param cert ca cert
* @param name service name
* @param oscpUrl OCSP responder url
* @param cn OCSP responder id
* @param caCn responder ca CN
* @return TSPService object
*/
public TSPService addOcspTspService(TrustServiceProvider tspProvider, X509Certificate cert, String name, String ocspUrl, String cn, String caCn)
{
TSPService tsps = new TSPService();
tsps.setType(TSPService.TSP_TYPE_EXT_OCSP_QC);
tsps.addCertificate(cert);
tsps.addSubjectName(new MultiLangString(null, cert.getSubjectDN().getName()));
tsps.addName(new MultiLangString(null, name));
tsps.addServiceAccessPoint(ocspUrl);
tsps.setCn(cn);
tsps.setCaCn(caCn);
tspProvider.addTSPService(tsps);
return tsps;
}
/**
* Reads the cert from a file, URL or from another
* location somewhere in the CLASSPATH such as
* in the librarys jar file.
* @param certLocation certificates file name,
* or URL. You can use url in form jar:// to read
* a certificate from the car file or some other location in the
* CLASSPATH
* @return certificate object
*/
private static X509Certificate readCertificate(String certLocation)
throws DigiDocException
{
X509Certificate cert = null;
try {
InputStream isCert = null;
URL url = null;
if(certLocation != null) {
if(certLocation.startsWith("http")) {
url = new URL(certLocation);
isCert = url.openStream();
} else if(certLocation.startsWith("jar://")) {
ClassLoader cl = ConfigManager.instance().getClass().getClassLoader();
isCert = cl.getResourceAsStream(certLocation.substring(6));
} else {
isCert = new FileInputStream(certLocation);
}
CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
cert = (X509Certificate)certificateFactory.generateCertificate(isCert);
isCert.close();
if(m_logger.isDebugEnabled())
m_logger.debug("Read cert: " + certLocation + " - " + ((cert != null) ? "OK" : "NULL"));
}
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_READ_FILE);
}
return cert;
}
private X509Certificate findCaForCertInTsl(TrustServiceStatusList tsl, X509Certificate cert, Date dtSigning)
{
Principal caP = cert.getIssuerDN();
//String caDn = cert.getIssuerDN().getName();
String subDn = cert.getSubjectDN().getName();
for(int j = 0; j < tsl.getNumProviders(); j++) {
TrustServiceProvider tsp = tsl.getTrustServiceProvider(j);
for(int l = 0; l < tsp.getNumServices(); l++) {
TSPService tsps = tsp.getTSPService(l);
if(tsps.isCA()) {
for(int m = 0; m < tsps.getNumCertificates(); m++) {
X509Certificate c2 = tsps.getCertificate(m);
if(c2 != null) {
Principal c2p = c2.getSubjectDN();
String ca2Dn = c2.getSubjectDN().getName();
if(c2p.equals(caP) &&
((dtSigning == null) ||
(dtSigning != null && dtSigning.after(c2.getNotBefore()) && dtSigning.before(c2.getNotAfter())))) {
if(m_logger.isDebugEnabled())
m_logger.debug("Found matching CA dn: " + ca2Dn);
try {
cert.verify(c2.getPublicKey());
if(m_logger.isDebugEnabled())
m_logger.debug("CA: " + ca2Dn + " IS issuer of: " + subDn + " serial: " + c2.getSerialNumber().toString());
return c2;
} catch(Exception ex) {
if(m_logger.isDebugEnabled())
m_logger.debug("CA: " + ca2Dn + " IS NOT issuer of: " + subDn);
}
}
} // if c2
} // for
} // if isCA
}
}
return null;
}
private X509Certificate findOcspInTsl(TrustServiceStatusList tsl, String cn)
{
if(m_logger.isDebugEnabled())
m_logger.debug("Search OCSP by cn: " + cn);
for(int j = 0; j < tsl.getNumProviders(); j++) {
TrustServiceProvider tsp = tsl.getTrustServiceProvider(j);
if(m_logger.isDebugEnabled())
m_logger.debug("TSP: " + tsp.getTSPInformation().getName(0));
for(int l = 0; l < tsp.getNumServices(); l++) {
TSPService tsps = tsp.getTSPService(l);
if(m_logger.isDebugEnabled())
m_logger.debug("Service: " + tsps.getCn() + " ocsp: " + tsps.isOCSP() + " CA: " + tsps.isCA());
if(tsps.isOCSP() && tsps.getCn() != null && tsps.getCn().equalsIgnoreCase(cn)) {
if(m_logger.isDebugEnabled())
m_logger.debug("Found OCSP: " + cn);
return tsps.getCertificate(0);
}
}
}
if(m_logger.isDebugEnabled())
m_logger.debug("Did not find ocsp for: " + cn);
return null;
}
private X509Certificate[] findOcspsInTsl(TrustServiceStatusList tsl, String cn, String serialNr)
{
X509Certificate[] lcert = null;
Vector vec = new Vector();
if(m_logger.isDebugEnabled())
m_logger.debug("Search OCSP by cn: " + cn + " serial: " + serialNr);
for(int j = 0; j < tsl.getNumProviders(); j++) {
TrustServiceProvider tsp = tsl.getTrustServiceProvider(j);
if(m_logger.isDebugEnabled())
m_logger.debug("TSP: " + tsp.getTSPInformation().getName(0));
for(int l = 0; l < tsp.getNumServices(); l++) {
TSPService tsps = tsp.getTSPService(l);
if(m_logger.isDebugEnabled())
m_logger.debug("Service: " + tsps.getCn() + " ocsp: " + tsps.isOCSP() + " CA: " + tsps.isCA());
if(tsps.isOCSP() && tsps.getCn() != null && tsps.getCn().equalsIgnoreCase(cn)) {
if(m_logger.isDebugEnabled())
m_logger.debug("Found OCSP: " + cn);
for(int m = 0; m < tsps.getNumCertificates(); m++) {
X509Certificate cert = tsps.getCertificate(m);
if(serialNr == null || (serialNr != null && serialNr.equals(cert.getSerialNumber().toString()))) {
if(m_logger.isDebugEnabled() && cert != null)
m_logger.debug("Found cert: " + cert.getSubjectDN().toString() + " serial: " + cert.getSerialNumber().toString());
vec.add(cert);
}
}
}
}
}
if(m_logger.isDebugEnabled())
m_logger.debug("Found: " + vec.size() + " certs for: " + cn);
lcert = new X509Certificate[vec.size()];
for(int j = 0; j < vec.size(); j++)
lcert[j] = (X509Certificate)vec.elementAt(j);
return lcert;
}
/**
* Finds direct CA cert for given user cert
* @param cert user cert
* @param bUseLocal use also ca certs registered in local config file
* @return CA cert or null if not found
* @deprecated use findCaForCert(X509Certificate cert, boolean bUseLocal, Date dtSigning)
*/
public X509Certificate findCaForCert(X509Certificate cert, boolean bUseLocal)
{
return findCaForCert(cert, bUseLocal, null);
}
/**
* Finds direct CA cert for given user cert
* @param cert user cert
* @param bUseLocal use also ca certs registered in local config file
* @param dtSigning signing timestamp. Used to pick correct ca if many of them apply
* @return CA cert or null if not found
*/
public X509Certificate findCaForCert(X509Certificate cert, boolean bUseLocal, Date dtSigning)
{
Principal caP = cert.getIssuerDN();
String caDn = cert.getIssuerDN().getName();
if(m_logger.isDebugEnabled())
m_logger.debug("Search CA: " + caDn);
// find in TSL files at first
for(int i = 0; (m_tsls != null) && (i < m_tsls.size()); i++) {
TrustServiceStatusList tsl = (TrustServiceStatusList)m_tsls.get(i);
if((tsl.isLocal() && bUseLocal) || !tsl.isLocal()) {
X509Certificate ca = findCaForCertInTsl(tsl, cert, dtSigning);
if(ca != null)
return ca;
}
}
return null;
}
/**
* Finds direct OCSP cert for given ocsp responder id
* @param cn OCSP responder-id
* @param bUseLocal use also ca certs registered in local config file
* @return OCSP cert or null if not found
*/
public X509Certificate findOcspByCN(String cn, boolean bUseLocal)
{
if(m_logger.isDebugEnabled())
m_logger.debug("Search OCSP: " + cn + " use-local: " + bUseLocal);
// find in TSL files at first
for(int i = 0; (m_tsls != null) && (i < m_tsls.size()); i++) {
TrustServiceStatusList tsl = (TrustServiceStatusList)m_tsls.get(i);
if(m_logger.isDebugEnabled())
m_logger.debug("TSL: " + tsl.getSchemeInformation().getSchemeName(0) + " local: " + tsl.isLocal());
if((tsl.isLocal() && bUseLocal) || !tsl.isLocal()) {
X509Certificate cert = findOcspInTsl(tsl, cn);
if(cert != null)
return cert;
}
}
return null;
}
/**
* Finds direct OCSP cert for given ocsp responder id
* @param cn OCSP responder-id
* @param bUseLocal use also ca certs registered in local config file
* @param serialNr serial number or NULL
* @return OCSP cert or null if not found
*/
public X509Certificate[] findOcspsByCNAndNr(String cn, boolean bUseLocal, String serialNr)
{
X509Certificate[] lcert = null;
if(m_logger.isDebugEnabled())
m_logger.debug("Search OCSP: " + cn + " use-local: " + bUseLocal + " serial: " + serialNr);
// find in TSL files at first
for(int i = 0; (m_tsls != null) && (lcert == null) && (i < m_tsls.size()); i++) {
TrustServiceStatusList tsl = (TrustServiceStatusList)m_tsls.get(i);
if(m_logger.isDebugEnabled())
m_logger.debug("TSL: " + tsl.getSchemeInformation().getSchemeName(0) + " local: " + tsl.isLocal());
if((tsl.isLocal() && bUseLocal) || !tsl.isLocal()) {
// TODO: find certs
lcert = findOcspsInTsl(tsl, cn, serialNr);
X509Certificate cert = findOcspInTsl(tsl, cn);
}
}
return lcert;
}
/**
* Finds OCSP url for given user cert
* @param cert user cert
* @param nUrl index of url if many exist
* @param bUseLocal use also ca certs registered in local config file
* @return CA cert or null if not found
*/
public String findOcspUrlForCert(X509Certificate cert, int nUrl, boolean bUseLocal)
{
String caDn = cert.getIssuerDN().getName();
String caCn = ConvertUtils.getCommonName(caDn);
if(m_logger.isDebugEnabled())
m_logger.debug("Search ocsp url for CA: " + caCn);
// find in TSL files at first
for(int i = 0; (m_tsls != null) && (i < m_tsls.size()); i++) {
TrustServiceStatusList tsl = (TrustServiceStatusList)m_tsls.get(i);
if((tsl.isLocal() && bUseLocal) || !tsl.isLocal()) {
for(int j = 0; j < tsl.getNumProviders(); j++) {
TrustServiceProvider tsp = tsl.getTrustServiceProvider(j);
for(int l = 0; l < tsp.getNumServices(); l++) {
TSPService tsps = tsp.getTSPService(l);
if(m_logger.isDebugEnabled())
m_logger.debug("Checking tsp service: " + caCn);
if(tsps.isOCSP() && tsps.getCaCn() != null && tsps.getCaCn().equals(caCn)) {
if(m_logger.isDebugEnabled())
m_logger.debug("Found OCSP: " + caCn);
if(tsps.getServiceAccessPoints() != null && nUrl >= 0 && nUrl < tsps.getServiceAccessPoints().length) {
if(m_logger.isDebugEnabled())
m_logger.debug("Found ocsp URL: " + tsps.getServiceAccessPoints()[nUrl]);
return tsps.getServiceAccessPoints()[nUrl];
}
}
}
}
}
}
String sUrl = ConfigManager.instance().getProperty("DIGIDOC_OCSP_RESPONDER_URL");
if(m_logger.isDebugEnabled())
m_logger.debug("Using default URL: " + sUrl);
return sUrl;
}
}
