// --- 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.profile.input;

import java.util.Locale;

import netscape.security.x509.X509CertInfo;

import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.profile.EProfileException;
import com.netscape.certsrv.profile.IProfile;
import com.netscape.certsrv.profile.IProfileContext;
import com.netscape.certsrv.profile.IProfileInput;
import com.netscape.certsrv.property.Descriptor;
import com.netscape.certsrv.property.IDescriptor;
import com.netscape.certsrv.request.IRequest;
import com.netscape.cms.profile.common.EnrollProfile;

/**
 * This class implements the certificate request input from TPS.
 * This input populates 2 main fields to the enrollment "page":
 * 1/ token cuid, 2/ publickey
 * <p>
 *
 * This input usually is used by an enrollment profile for certificate requests coming from TPS.
 *
 * @version $Revision$, $Date$
 */
public class nsHKeyCertReqInput extends EnrollInput implements IProfileInput {
    public static final String VAL_TOKEN_CUID = "tokencuid";
    public static final String VAL_PUBLIC_KEY = "publickey";

    public EnrollProfile mEnrollProfile = null;

    public nsHKeyCertReqInput() {
        addValueName(VAL_TOKEN_CUID);
        addValueName(VAL_PUBLIC_KEY);
    }

    /**
     * Initializes this default policy.
     */
    public void init(IProfile profile, IConfigStore config)
            throws EProfileException {
        super.init(profile, config);

        mEnrollProfile = (EnrollProfile) profile;
    }

    /**
     * Retrieves the localizable name of this policy.
     */
    public String getName(Locale locale) {
        return CMS.getUserMessage(locale, "CMS_PROFILE_INPUT_TOKENKEY_CERT_REQ_NAME");
    }

    /**
     * Retrieves the localizable description of this policy.
     */
    public String getText(Locale locale) {
        return CMS.getUserMessage(locale, "CMS_PROFILE_INPUT_TOKENKEY_CERT_REQ_TEXT");
    }

    /*
     * Pretty print token cuid
     */
    public String toPrettyPrint(String cuid) {
        if (cuid == null)
            return null;

        if (cuid.length() != 20)
            return null;

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < cuid.length(); i++) {
            if (i == 4 || i == 8 || i == 12 || i == 16) {
                sb.append("-");
            }
            sb.append(cuid.charAt(i));
        }
        return sb.toString();
    }

    /**
     * Populates the request with this policy default.
     */
    public void populate(IProfileContext ctx, IRequest request)
            throws EProfileException {
        String tcuid = ctx.get(VAL_TOKEN_CUID);
        // pretty print tcuid
        String prettyPrintCuid = toPrettyPrint(tcuid);
        if (prettyPrintCuid == null) {
            throw new EProfileException(
                    CMS.getUserMessage(getLocale(request),
                            "CMS_PROFILE_TOKENKEY_NO_TOKENCUID",
                            ""));
        }

        request.setExtData("pretty_print_tokencuid", prettyPrintCuid);

        String pk = ctx.get(VAL_PUBLIC_KEY);
        X509CertInfo info =
                request.getExtDataInCertInfo(EnrollProfile.REQUEST_CERTINFO);

        if (tcuid == null) {
            CMS.debug("nsHKeyCertReqInput: populate - tokencuid not found " +
                    "");
            throw new EProfileException(
                    CMS.getUserMessage(getLocale(request),
                            "CMS_PROFILE_TOKENKEY_NO_TOKENCUID",
                            ""));
        }
        if (pk == null) {
            CMS.debug("nsHKeyCertReqInput: populate - public key not found " +
                    "");
            throw new EProfileException(
                    CMS.getUserMessage(getLocale(request),
                            "CMS_PROFILE_TOKENKEY_NO_PUBLIC_KEY",
                            ""));
        }

        mEnrollProfile.fillNSHKEY(getLocale(request), tcuid, pk, info, request);
        request.setExtData(EnrollProfile.REQUEST_CERTINFO, info);
    }

    /**
     * Retrieves the descriptor of the given value
     * parameter by name.
     */
    public IDescriptor getValueDescriptor(Locale locale, String name) {
        if (name.equals(VAL_TOKEN_CUID)) {
            return new Descriptor(IDescriptor.STRING, null,
                    null,
                    CMS.getUserMessage(locale,
                            "CMS_PROFILE_INPUT_TOKENKEY_CERT_REQ_TOKEN_CUID"));
        } else if (name.equals(VAL_PUBLIC_KEY)) {
            return new Descriptor(IDescriptor.STRING, null,
                    null,
                    CMS.getUserMessage(locale,
                            "CMS_PROFILE_INPUT_TOKENKEY_CERT_REQ_PK"));
        }
        return null;
    }
}