diff options
Diffstat (limited to 'base/util/src/com/netscape/cmsutil/ocsp/ResponseData.java')
| -rw-r--r-- | base/util/src/com/netscape/cmsutil/ocsp/ResponseData.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/base/util/src/com/netscape/cmsutil/ocsp/ResponseData.java b/base/util/src/com/netscape/cmsutil/ocsp/ResponseData.java new file mode 100644 index 000000000..1b28cf134 --- /dev/null +++ b/base/util/src/com/netscape/cmsutil/ocsp/ResponseData.java @@ -0,0 +1,222 @@ +// --- 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.cmsutil.ocsp; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import org.mozilla.jss.asn1.ANY; +import org.mozilla.jss.asn1.ASN1Template; +import org.mozilla.jss.asn1.ASN1Value; +import org.mozilla.jss.asn1.EXPLICIT; +import org.mozilla.jss.asn1.GeneralizedTime; +import org.mozilla.jss.asn1.INTEGER; +import org.mozilla.jss.asn1.InvalidBERException; +import org.mozilla.jss.asn1.SEQUENCE; +import org.mozilla.jss.asn1.Tag; +import org.mozilla.jss.pkix.cert.Extension; + +/** + * RFC 2560: + * + * <pre> + * ResponseData ::= SEQUENCE { + * version [0] EXPLICIT Version DEFAULT v1, + * responderID ResponderID, + * producedAt GeneralizedTime, + * responses SEQUENCE OF SingleResponse, + * responseExtensions [1] EXPLICIT Extensions OPTIONAL } + * </pre> + * + * @version $Revision$ $Date$ + */ +public class ResponseData implements ASN1Value { + private static final INTEGER v1 = new INTEGER(0); + private INTEGER mVer; + private ResponderID mRID = null; + private GeneralizedTime mProduced = null; + private SingleResponse mSR[] = null; + private Extension mExts[] = null; + + private static final Tag TAG = SEQUENCE.TAG; + + public ResponseData(INTEGER ver, ResponderID rid, GeneralizedTime produced, + SingleResponse sr[], Extension exts[]) { + mVer = (ver != null) ? ver : v1; + mRID = rid; + mProduced = produced; + mSR = sr; + mExts = exts; + } + + public ResponseData(ResponderID rid, GeneralizedTime produced, + SingleResponse sr[]) { + this(v1, rid, produced, sr, null); + } + + public ResponseData(ResponderID rid, GeneralizedTime produced, + SingleResponse sr[], Extension exts[]) { + this(v1, rid, produced, sr, exts); + } + + public Tag getTag() { + return TAG; + } + + public void encode(OutputStream os) throws IOException { + encode(null, os); + } + + public void encode(Tag t, OutputStream os) throws IOException { + SEQUENCE seq = new SEQUENCE(); + + if (mVer != v1) { + seq.addElement(new EXPLICIT(Tag.get(0), new INTEGER(mVer))); + } + + seq.addElement(new EXPLICIT(mRID.getTag(), mRID)); + seq.addElement(mProduced); + SEQUENCE responses = new SEQUENCE(); + for (int i = 0; i < mSR.length; i++) { + responses.addElement(mSR[i]); + } + seq.addElement(responses); + if (mExts != null) { + SEQUENCE exts = new SEQUENCE(); + for (int i = 0; i < mExts.length; i++) { + exts.addElement(mExts[i]); + } + seq.addElement(new EXPLICIT(Tag.get(1), exts)); + } + if (t == null) { + seq.encode(os); + } else { + seq.encode(t, os); + } + } + + public ResponderID getResponderID() { + return mRID; + } + + public GeneralizedTime getProducedAt() { + return mProduced; + } + + public int getResponseCount() { + return (mSR != null) ? mSR.length : 0; + } + + public SingleResponse getResponseAt(int pos) { + return (mSR != null) ? mSR[pos] : null; + } + + public int getResponseExtensionCount() { + return (mExts != null) ? mExts.length : 0; + } + + public Extension getResponseExtensionAt(int pos) { + return (mExts != null) ? mExts[pos] : null; + } + + private static final Template templateInstance = new Template(); + + public static Template getTemplate() { + return templateInstance; + } + + /** + * A Template for decoding <code>ResponseBytes</code>. + */ + public static class Template implements ASN1Template { + + private SEQUENCE.Template seqt; + + public Template() { + seqt = new SEQUENCE.Template(); + seqt.addOptionalElement(new EXPLICIT.Template( + new Tag(0), new INTEGER.Template())); + seqt.addElement(new ANY.Template()); + seqt.addElement(new GeneralizedTime.Template()); + seqt.addElement(new SEQUENCE.OF_Template( + SingleResponse.getTemplate())); + seqt.addOptionalElement(new EXPLICIT.Template( + new Tag(1), new SEQUENCE.OF_Template( + Extension.getTemplate()))); + } + + public boolean tagMatch(Tag tag) { + return TAG.equals(tag); + } + + public ASN1Value decode(InputStream istream) + throws InvalidBERException, IOException { + return decode(TAG, istream); + } + + public ASN1Value decode(Tag implicitTag, InputStream istream) + throws InvalidBERException, IOException { + SEQUENCE seq = (SEQUENCE) seqt.decode(implicitTag, + istream); + + INTEGER ver = v1; + EXPLICIT e_ver = (EXPLICIT) seq.elementAt(0); + if (e_ver != null && e_ver.getTag().getNum() == 0) { + ver = (INTEGER) e_ver.getContent(); + } + ResponderID rid = null; + ANY e_rid = (ANY) seq.elementAt(1); + if (e_rid.getTag().getNum() == 1) { + // name id + rid = (NameID) + NameID.getTemplate().decode(e_rid.getTag(), + new ByteArrayInputStream(e_rid.getEncoded())); + } else if (e_rid.getTag().getNum() == 2) { + // key hash id + rid = (KeyHashID) + KeyHashID.getTemplate().decode(e_rid.getTag(), + new ByteArrayInputStream(e_rid.getEncoded())); + } + GeneralizedTime producedAt = (GeneralizedTime) seq.elementAt(2); + SEQUENCE responses = (SEQUENCE) seq.elementAt(3); + SingleResponse sr[] = null; + if ((responses != null) && (responses.size() > 0)) { + sr = new SingleResponse[responses.size()]; + for (int i = 0; i < responses.size(); i++) { + sr[i] = (SingleResponse) responses.elementAt(i); + } + } + + //decode response extension sequence + EXPLICIT extns_exp = (EXPLICIT) seq.elementAt(4); + SEQUENCE extns_seq; + Extension[] extns_array = null; + if (extns_exp != null) { + extns_seq = (SEQUENCE) extns_exp.getContent(); + extns_array = new Extension[extns_seq.size()]; + for (int x = 0; x < extns_array.length; x++) { + extns_array[x] = (Extension) extns_seq.elementAt(x); + } + } + + return new ResponseData(ver, rid, producedAt, sr, extns_array); + } + } +} |