Java tutorial
// --- 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.cert; import java.io.IOException; import java.security.SecureRandom; import java.util.ArrayList; import java.util.Enumeration; import java.util.Locale; import java.util.Map; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import netscape.security.x509.X509CertImpl; import org.apache.commons.lang.StringUtils; import com.netscape.certsrv.apps.CMS; import com.netscape.certsrv.authentication.IAuthToken; import com.netscape.certsrv.authorization.AuthzToken; import com.netscape.certsrv.authorization.EAuthzAccessDenied; import com.netscape.certsrv.base.EBaseException; import com.netscape.certsrv.base.IArgBlock; import com.netscape.certsrv.ca.ICertificateAuthority; import com.netscape.certsrv.common.ICMSRequest; import com.netscape.certsrv.dbs.certdb.ICertRecord; import com.netscape.certsrv.dbs.certdb.ICertificateRepository; import com.netscape.certsrv.logging.ILogger; import com.netscape.cms.servlet.base.CMSServlet; import com.netscape.cms.servlet.common.CMSRequest; import com.netscape.cms.servlet.common.CMSTemplate; import com.netscape.cms.servlet.common.CMSTemplateParams; import com.netscape.cms.servlet.common.ECMSGWException; import com.netscape.cmscore.security.JssSubsystem; /** * Specify the RevocationReason when revoking a certificate * * @version $Revision$, $Date$ */ public class ReasonToRevoke extends CMSServlet { /** * */ private static final long serialVersionUID = -8447580860330758660L; private final static String TPL_FILE = "reasonToRevoke.template"; private final static String INFO = "ReasonToRevoke"; private ICertificateRepository mCertDB = null; private String mFormPath = null; private ICertificateAuthority mCA = null; private SecureRandom mRandom = null; private int mTimeLimits = 30; /* in seconds */ public ReasonToRevoke() { super(); } /** * initialize the servlet. This servlet uses the template file * 'reasonToRevoke.template' to render the response * * @param sc servlet configuration, read from the web.xml file */ public void init(ServletConfig sc) throws ServletException { super.init(sc); mFormPath = "/" + mAuthority.getId() + "/" + TPL_FILE; if (mAuthority instanceof ICertificateAuthority) { mCA = (ICertificateAuthority) mAuthority; mCertDB = ((ICertificateAuthority) mAuthority).getCertificateRepository(); } if (mCA != null && mCA.noncesEnabled()) { JssSubsystem jssSubsystem = (JssSubsystem) CMS.getSubsystem(JssSubsystem.ID); mRandom = jssSubsystem.getRandomNumberGenerator(); } mTemplates.remove(ICMSRequest.SUCCESS); if (mOutputTemplatePath != null) mFormPath = mOutputTemplatePath; /* Server-Side time limit */ try { mTimeLimits = Integer.parseInt(sc.getInitParameter("timeLimits")); } catch (Exception e) { /* do nothing, just use the default if integer parsing failed */ } } /** * Returns serlvet information. */ public String getServletInfo() { return INFO; } /** * Process the HTTP request. * * @param cmsReq the object holding the request and response information */ public 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, "revoke"); } catch (EAuthzAccessDenied e) { log(ILogger.LL_FAILURE, CMS.getLogMessage("ADMIN_SRVLT_AUTH_FAILURE", e.toString())); } catch (Exception e) { log(ILogger.LL_FAILURE, CMS.getLogMessage("ADMIN_SRVLT_AUTH_FAILURE", e.toString())); } if (authzToken == null) { cmsReq.setStatus(ICMSRequest.UNAUTHORIZED); return; } String revokeAll = null; int totalRecordCount = 1; EBaseException error = null; 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 ctx = CMS.createArgBlock(); CMSTemplateParams argSet = new CMSTemplateParams(header, ctx); try { if (req.getParameter("totalRecordCount") != null) { totalRecordCount = Integer.parseInt(req.getParameter("totalRecordCount")); } revokeAll = req.getParameter("revokeAll"); process(argSet, header, req, resp, revokeAll, totalRecordCount, locale[0]); } catch (EBaseException e) { error = e; } catch (NumberFormatException e) { log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSGW_INVALID_RECORD_COUNT_FORMAT")); error = new EBaseException(CMS.getUserMessage(getLocale(req), "CMS_BASE_INVALID_NUMBER_FORMAT")); } /* catch (Exception e) { noError = false; header.addStringValue(OUT_ERROR, MessageFormatter.getLocalizedString( errorlocale[0], BaseResources.class.getName(), BaseResources.INTERNAL_ERROR_1, e.toString())); } */ try { ServletOutputStream out = resp.getOutputStream(); 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(ICMSRequest.SUCCESS); } } else { cmsReq.setStatus(ICMSRequest.ERROR); cmsReq.setError(error); } } catch (IOException e) { log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSGW_ERR_OUT_STREAM_TEMPLATE", e.toString())); throw new ECMSGWException(CMS.getUserMessage("CMS_GW_DISPLAY_TEMPLATE_ERROR")); } } private void process(CMSTemplateParams argSet, IArgBlock header, HttpServletRequest req, HttpServletResponse resp, String revokeAll, int totalRecordCount, Locale locale) throws EBaseException { header.addStringValue("revokeAll", revokeAll); header.addIntegerValue("totalRecordCount", totalRecordCount); try { if (mCA != null) { X509CertImpl caCert = mCA.getSigningUnit().getCertImpl(); if (isCertFromCA(caCert)) { header.addStringValue("caSerialNumber", caCert.getSerialNumber().toString(16)); } } /** * ICertRecordList list = mCertDB.findCertRecordsInList( * revokeAll, null, totalRecordCount); * Enumeration e = list.getCertRecords(0, totalRecordCount - 1); **/ Enumeration<ICertRecord> e = mCertDB.searchCertificates(revokeAll, totalRecordCount, mTimeLimits); ArrayList<String> noncesList = new ArrayList<String>(); int count = 0; while (e != null && e.hasMoreElements()) { ICertRecord rec = e.nextElement(); if (rec == null) continue; X509CertImpl xcert = rec.getCertificate(); if (xcert != null) if (mCA != null && mCA.noncesEnabled()) { // generate nonce long n = mRandom.nextLong(); // store nonce in session Map<Object, Long> nonces = mCA.getNonces(req, "cert-revoke"); nonces.put(xcert.getSerialNumber(), n); // store serial number and nonce noncesList.add(xcert.getSerialNumber() + ":" + n); } if (!(rec.getStatus().equals(ICertRecord.STATUS_REVOKED))) { count++; IArgBlock rarg = CMS.createArgBlock(); rarg.addStringValue("serialNumber", xcert.getSerialNumber().toString(16)); rarg.addStringValue("serialNumberDecimal", xcert.getSerialNumber().toString()); rarg.addStringValue("subject", xcert.getSubjectDN().toString()); rarg.addLongValue("validNotBefore", xcert.getNotBefore().getTime() / 1000); rarg.addLongValue("validNotAfter", xcert.getNotAfter().getTime() / 1000); argSet.addRepeatRecord(rarg); } } header.addIntegerValue("verifiedRecordCount", count); if (mCA != null && mCA.noncesEnabled()) { // return serial numbers and nonces to client header.addStringValue("nonce", StringUtils.join(noncesList.toArray(), ",")); } } catch (EBaseException e) { log(ILogger.LL_FAILURE, "Error " + e); throw e; } return; } }