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// --- 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.util.Locale;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.base.IArgBlock;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.ca.ICertificateAuthority;
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;
/**
* Redirect a request to the Master. This servlet is used in
* a clone when a requested service (such as CRL) is not available.
* It redirects the user to the master.
*
* @version $Revision$, $Date$
*/
public class CloneRedirect extends CMSServlet {
private final static String PROP_REDIRECT_URL = "masterURL";
private final static String TPL_FILE = "cloneRedirect.template";
private String mNewUrl = null;
private String mFormPath = null;
private ICertificateAuthority mCA = null;
/**
* Constructs CloneRedirect servlet.
*/
public CloneRedirect() {
super();
}
/**
* Initialize the servlet.
* @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;
IConfigStore authConfig = mCA.getConfigStore();
if (authConfig != null) {
try {
mNewUrl = authConfig.getString(PROP_REDIRECT_URL,
"*** master URL unavailable, check your configuration ***");
} catch (EBaseException e) {
// do nothing
}
}
}
if (mAuthority instanceof ICertificateAuthority)
mCA = (ICertificateAuthority) mAuthority;
// override success to do output with our own template.
mTemplates.remove(CMSRequest.SUCCESS);
}
/**
* Serves HTTP request.
*/
public void process(CMSRequest cmsReq) throws EBaseException {
HttpServletRequest req = cmsReq.getHttpReq();
HttpServletResponse resp = cmsReq.getHttpResp();
EBaseException error = null;
IArgBlock header = CMS.createArgBlock();
IArgBlock fixed = CMS.createArgBlock();
CMSTemplateParams argSet = new CMSTemplateParams(header, fixed);
CMSTemplate form = null;
Locale[] locale = new Locale[1];
try {
form = getTemplate(mFormPath, req, locale);
} catch (IOException e) {
log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSGW_ERROR_DISPLAY_TEMPLATE"));
throw new ECMSGWException(
CMS.getLogMessage("CMSGW_ERROR_DISPLAY_TEMPLATE"));
}
CMS.debug("CloneRedirect: " + CMS.getLogMessage("ADMIN_SRVLT_ADD_MASTER_URL", mNewUrl));
header.addStringValue("masterURL", mNewUrl);
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(CMSRequest.SUCCESS);
}
} else {
cmsReq.setStatus(CMSRequest.ERROR);
cmsReq.setError(error);
}
} catch (IOException e) {
log(ILogger.LL_FAILURE,
CMS.getLogMessage("ADMIN_SRVLT_ERR_STREAM_TEMPLATE", e.toString()));
throw new ECMSGWException(CMS.getLogMessage("CMSGW_ERROR_DISPLAY_TEMPLATE"));
}
}
/**
* Display information about redirecting to the master's URL info
*/
private void process(CMSTemplateParams argSet, IArgBlock header,
HttpServletRequest req,
HttpServletResponse resp,
String signatureAlgorithm,
Locale locale)
throws EBaseException {
CMS.debug("CloneRedirect: " + CMS.getLogMessage("ADMIN_SRVLT_ADD_MASTER_URL", mNewUrl));
header.addStringValue("masterURL", mNewUrl);
return;
}
}
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