diff options
Diffstat (limited to 'base/common/src/com/netscape/cms/servlet/ocsp/CheckCertServlet.java')
-rw-r--r-- | base/common/src/com/netscape/cms/servlet/ocsp/CheckCertServlet.java | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cms/servlet/ocsp/CheckCertServlet.java b/base/common/src/com/netscape/cms/servlet/ocsp/CheckCertServlet.java new file mode 100644 index 000000000..bfed10291 --- /dev/null +++ b/base/common/src/com/netscape/cms/servlet/ocsp/CheckCertServlet.java @@ -0,0 +1,224 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cms.servlet.ocsp; + + +import com.netscape.cms.servlet.common.*; +import com.netscape.cms.servlet.base.*; + +import java.util.Vector; +import java.io.InputStream; +import java.io.IOException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.ServletException; + +import org.mozilla.jss.asn1.INTEGER; +import org.mozilla.jss.pkix.cert.Certificate; +import org.mozilla.jss.pkix.primitive.AlgorithmIdentifier; +import org.mozilla.jss.asn1.BIT_STRING; + +import com.netscape.certsrv.base.*; +import com.netscape.certsrv.logging.*; +import com.netscape.certsrv.ocsp.*; +import com.netscape.certsrv.authority.*; +import com.netscape.cms.servlet.*; +import com.netscape.certsrv.dbs.crldb.*; +import com.netscape.certsrv.dbs.certdb.*; +import com.netscape.certsrv.apps.*; +import com.netscape.cmsutil.util.*; +import com.netscape.certsrv.authentication.*; +import com.netscape.certsrv.authorization.*; + +import netscape.security.pkcs.*; +import netscape.security.x509.*; +import java.security.cert.*; +import java.util.*; +import javax.servlet.*; +import javax.servlet.http.*; + + +/** + * Check the status of a specific certificate + * + * @version $Revision$ $Date$ + */ +public class CheckCertServlet extends CMSServlet { + + public static final String BEGIN_HEADER = + "-----BEGIN CERTIFICATE-----"; + public static final String END_HEADER = + "-----END CERTIFICATE-----"; + + public static final String ATTR_STATUS = "status"; + public static final String ATTR_ISSUERDN = "issuerDN"; + public static final String ATTR_SUBJECTDN = "subjectDN"; + public static final String ATTR_SERIALNO = "serialno"; + + public static final String STATUS_GOOD = "good"; + public static final String STATUS_REVOKED = "revoked"; + public static final String STATUS_UNKNOWN = "unknown"; + + private final static String TPL_FILE = "checkCert.template"; + private String mFormPath = null; + private IOCSPAuthority mOCSPAuthority = null; + + public CheckCertServlet() { + super(); + } + + /** + * initialize the servlet. This servlet uses the template file + * "checkCert.template" to process the response. + * + * @param sc servlet configuration, read from the web.xml file + */ + public void init(ServletConfig sc) throws ServletException { + super.init(sc); + // override success to display own output. + + mFormPath = "/" + mAuthority.getId() + "/" + TPL_FILE; + mTemplates.remove(CMSRequest.SUCCESS); + mOCSPAuthority = (IOCSPAuthority) mAuthority; + if (mOutputTemplatePath != null) + mFormPath = mOutputTemplatePath; + } + + /** + * Process the HTTP request. + * <ul> + * <li>http.param cert certificate to check. Base64, DER encoded, wrapped + * in -----BEGIN CERTIFICATE-----, -----END CERTIFICATE----- strings + * </ul> + * + * @param cmsReq the object holding the request and response information + */ + protected void process(CMSRequest cmsReq) + throws EBaseException { + HttpServletRequest req = cmsReq.getHttpReq(); + HttpServletResponse resp = cmsReq.getHttpResp(); + + IAuthToken authToken = authenticate(cmsReq); + + AuthzToken authzToken = null; + + try { + authzToken = authorize(mAclMethod, authToken, + mAuthzResourceName, "validate"); + } catch (Exception e) { + // do nothing for now + } + + if (authzToken == null) { + cmsReq.setStatus(CMSRequest.UNAUTHORIZED); + return; + } + + CMSTemplate form = null; + Locale[] locale = new Locale[1]; + + try { + form = getTemplate(mFormPath, req, locale); + } catch (IOException e) { + log(ILogger.LL_FAILURE, + CMS.getLogMessage("CMSGW_ERR_GET_TEMPLATE", mFormPath, e.toString())); + throw new ECMSGWException( + CMS.getUserMessage("CMS_GW_DISPLAY_TEMPLATE_ERROR")); + } + + IArgBlock header = CMS.createArgBlock(); + IArgBlock fixed = CMS.createArgBlock(); + CMSTemplateParams argSet = new CMSTemplateParams(header, fixed); + + IDefStore defStore = mOCSPAuthority.getDefaultStore(); + + String b64 = cmsReq.getHttpReq().getParameter("cert"); + + if (b64.indexOf(BEGIN_HEADER) == -1) { + // error + throw new ECMSGWException(CMS.getUserMessage(getLocale(req), "CMS_GW_MISSING_CERT_HEADER")); + + } + if (b64.indexOf(END_HEADER) == -1) { + // error + throw new ECMSGWException(CMS.getUserMessage(getLocale(req), "CMS_GW_MISSING_CERT_FOOTER")); + } + + X509Certificate cert = null; + + try { + cert = Cert.mapCert(b64); + } catch (Exception e) { + throw new ECMSGWException(CMS.getUserMessage("CMS_GW_DECODING_CERT_ERROR")); + } + if (cert == null) { + throw new ECMSGWException(CMS.getUserMessage("CMS_GW_DECODING_CERT_ERROR")); + } + + ICRLIssuingPointRecord pt = defStore.readCRLIssuingPoint( + cert.getIssuerDN().getName()); + + header.addStringValue(ATTR_ISSUERDN, cert.getIssuerDN().getName()); + header.addStringValue(ATTR_SUBJECTDN, cert.getSubjectDN().getName()); + header.addStringValue(ATTR_SERIALNO, "0x" + cert.getSerialNumber().toString(16)); + try { + X509CRLImpl crl = null; + + crl = new X509CRLImpl(pt.getCRL()); + X509CRLEntry crlentry = crl.getRevokedCertificate(cert.getSerialNumber()); + + if (crlentry == null) { + if (defStore.isNotFoundGood()) { + header.addStringValue(ATTR_STATUS, STATUS_GOOD); + } else { + header.addStringValue(ATTR_STATUS, STATUS_UNKNOWN); + } + } else { + header.addStringValue(ATTR_STATUS, STATUS_REVOKED); + } + } catch (Exception e) { + header.addStringValue(ATTR_STATUS, STATUS_UNKNOWN); + } + log(ILogger.EV_AUDIT, AuditFormat.LEVEL, "Checked Certificate Status " + cert.getIssuerDN().getName() + " " + cert.getSerialNumber().toString()); + + try { + ServletOutputStream out = resp.getOutputStream(); + String error = null; + + if (error == null) { + String xmlOutput = req.getParameter("xml"); + if (xmlOutput != null && xmlOutput.equals("true")) { + outputXML(resp, argSet); + } else { + resp.setContentType("text/html"); + form.renderOutput(out, argSet); + cmsReq.setStatus(CMSRequest.SUCCESS); + } + } else { + cmsReq.setStatus(CMSRequest.ERROR); + // cmsReq.setError(error); + } + } catch (IOException e) { + log(ILogger.LL_FAILURE, + CMS.getLogMessage("CMSGW_ERR_STREAM_TEMPLATE", e.toString())); + throw new ECMSGWException( + CMS.getUserMessage("CMS_GW_DISPLAY_TEMPLATE_ERROR")); + } + } +} |