// --- 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.csadmin;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Locale;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import netscape.security.x509.CertificateChain;
import org.w3c.dom.Node;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.authority.ICertAuthority;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.logging.ILogger;
import com.netscape.cms.servlet.base.CMSServlet;
import com.netscape.cms.servlet.base.UserInfo;
import com.netscape.cms.servlet.common.CMSRequest;
import com.netscape.cmsutil.xml.XMLObject;
public class GetCertChain extends CMSServlet {
/**
*
*/
private static final long serialVersionUID = -356806997334418285L;
private final static String SUCCESS = "0";
public GetCertChain() {
super();
}
/**
* initialize the servlet.
*
* @param sc servlet configuration, read from the web.xml file
*/
public void init(ServletConfig sc) throws ServletException {
super.init(sc);
}
/**
* Process the HTTP request.
*
* - http.param op 'downloadBIN' - return the binary certificate chain
*
- http.param op 'displayIND' - display pretty-print of certificate chain components
*
*
* @param cmsReq the object holding the request and response information
*/
protected void process(CMSRequest cmsReq) throws EBaseException {
HttpServletResponse httpResp = cmsReq.getHttpResp();
CertificateChain certChain = ((ICertAuthority) mAuthority).getCACertChain();
if (certChain == null) {
CMS.debug(
"GetCertChain displayChain: cannot get the certificate chain.");
outputError(httpResp, "Error: Failed to get certificate chain.");
return;
}
byte[] bytes = null;
try {
ByteArrayOutputStream encoded = new ByteArrayOutputStream();
certChain.encode(encoded);
bytes = encoded.toByteArray();
} catch (IOException e) {
log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSGW_ERROR_ENCODING_CA_CHAIN_1",
e.toString()));
outputError(httpResp,
"Error: Failed to encode the certificate chain");
}
String chainBase64 = CMS.BtoA(bytes);
chainBase64 = normalizeCertStr(chainBase64);
try {
XMLObject xmlObj = null;
xmlObj = new XMLObject();
Node root = xmlObj.createRoot("XMLResponse");
xmlObj.addItemToContainer(root, "Status", SUCCESS);
xmlObj.addItemToContainer(root, "ChainBase64", chainBase64);
byte[] cb = xmlObj.toByteArray();
outputResult(httpResp, "application/xml", cb);
} catch (Exception e) {
CMS.debug("Failed to send the XML output");
}
}
protected void renderResult(CMSRequest cmsReq) throws IOException {// do nothing, ie, it will not return the default javascript.
}
/**
* Retrieves locale based on the request.
*/
protected Locale getLocale(HttpServletRequest req) {
Locale locale = null;
String lang = req.getHeader("accept-language");
if (lang == null) {
// use server locale
locale = Locale.getDefault();
} else {
locale = new Locale(UserInfo.getUserLanguage(lang),
UserInfo.getUserCountry(lang));
}
return locale;
}
private String normalizeCertStr(String s) {
StringBuffer val = new StringBuffer();
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) == '\n') {
continue;
} else if (s.charAt(i) == '\r') {
continue;
} else if (s.charAt(i) == '"') {
continue;
} else if (s.charAt(i) == ' ') {
continue;
}
val.append(s.charAt(i));
}
return val.toString();
}
}