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Diffstat (limited to 'base/common/src/com/netscape/cms/publish/mappers/MapDNPattern.java')
-rw-r--r-- | base/common/src/com/netscape/cms/publish/mappers/MapDNPattern.java | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cms/publish/mappers/MapDNPattern.java b/base/common/src/com/netscape/cms/publish/mappers/MapDNPattern.java new file mode 100644 index 000000000..7a9025b1d --- /dev/null +++ b/base/common/src/com/netscape/cms/publish/mappers/MapDNPattern.java @@ -0,0 +1,201 @@ +// --- 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.publish.mappers; + +import java.io.IOException; +import java.io.PushbackReader; +import java.io.StringReader; +import java.util.Vector; + +import netscape.security.x509.CertificateExtensions; +import netscape.security.x509.X500Name; + +import com.netscape.certsrv.apps.CMS; +import com.netscape.certsrv.base.EBaseException; +import com.netscape.certsrv.ldap.ELdapException; +import com.netscape.certsrv.request.IRequest; + +/** + * class for parsing a DN pattern used to construct a ldap dn from + * request attributes and cert subject name. + * <p> + * + * dnpattern is a string representing a ldap dn pattern to formulate from the certificate subject name attributes and + * request attributes . If empty or not set, the certificate subject name will be used as the ldap dn. + * <p> + * + * The syntax is + * + * <pre> + * dnPattern := rdnPattern *[ "," rdnPattern ] + * rdnPattern := avaPattern *[ "+" avaPattern ] + * avaPattern := name "=" value | + * name "=" "$subj" "." attrName [ "." attrNumber ] | + * name "=" "$req" "." attrName [ "." attrNumber ] | + * "$rdn" "." number + * </pre> + * + * <pre> + * Example1: <i>cn=Certificate Manager,ou=people,o=mcom.com</i> + * cert subject name: dn: CN=Certificate Manager, OU=people, O=mcom.com + * request attributes: uid: cmanager + * <p> + * The dn formulated will be : <br> + * CN=Certificate Manager, OU=people, O=mcom.com + * <p> + * note: Subordinate ca enrollment will use ca mapper. Use predicate + * to distinguish the ca itself and the subordinates. + * + * Example2: <i>UID=$req.HTTP_PARAMS.uid, OU=$subj.ou, O=people, , O=mcom.com</i> + * cert subject name: dn: UID=jjames, OU=IS, O=people, , O=mcom.com + * request attributes: uid: cmanager + * <p> + * The dn formulated will be : <br> + * UID=jjames, OU=IS, OU=people, O=mcom.com + * <p> + * UID = the 'uid' attribute value in the request. <br> + * OU = the 'ou' value in the cert subject name. <br> + * O = the string people, mcom.com. <br> + * <p> + * </pre> + * + * If an request attribute or subject DN component does not exist, the attribute is skipped. There is potential risk + * that a wrong dn will be mapped into. + * + * @version $Revision$, $Date$ + */ +public class MapDNPattern { + + /* the list of request attriubutes to retrieve*/ + protected String[] mReqAttrs = null; + + /* the list of cert attriubutes to retrieve*/ + protected String[] mCertAttrs = null; + + /* rdn patterns */ + protected MapRDNPattern[] mRDNPatterns = null; + + /* original pattern string */ + protected String mPatternString = null; + + protected String mTestDN = null; + + /** + * Construct a DN pattern by parsing a pattern string. + * + * @param pattern the DN pattern + * @exception EBaseException If parsing error occurs. + */ + public MapDNPattern(String pattern) + throws ELdapException { + if (pattern == null || pattern.equals("")) { + CMS.debug( + "MapDNPattern: null pattern"); + } else { + mPatternString = pattern; + PushbackReader in = new PushbackReader(new StringReader(pattern)); + + parse(in); + } + } + + public MapDNPattern(PushbackReader in) + throws ELdapException { + parse(in); + } + + private void parse(PushbackReader in) + throws ELdapException { + Vector<MapRDNPattern> rdnPatterns = new Vector<MapRDNPattern>(); + MapRDNPattern rdnPattern = null; + int lastChar = -1; + + do { + rdnPattern = new MapRDNPattern(in); + rdnPatterns.addElement(rdnPattern); + try { + lastChar = in.read(); + } catch (IOException e) { + throw new ELdapException( + CMS.getUserMessage("CMS_LDAP_INTERNAL_ERROR", e.toString())); + } + } while (lastChar == ','); + + mRDNPatterns = new MapRDNPattern[rdnPatterns.size()]; + rdnPatterns.copyInto(mRDNPatterns); + + Vector<String> reqAttrs = new Vector<String>(); + + for (int i = 0; i < mRDNPatterns.length; i++) { + String[] rdnAttrs = mRDNPatterns[i].getReqAttrs(); + + if (rdnAttrs != null && rdnAttrs.length > 0) + for (int j = 0; j < rdnAttrs.length; j++) + reqAttrs.addElement(rdnAttrs[j]); + } + mReqAttrs = new String[reqAttrs.size()]; + reqAttrs.copyInto(mReqAttrs); + + Vector<String> certAttrs = new Vector<String>(); + + for (int i = 0; i < mRDNPatterns.length; i++) { + String[] rdnAttrs = mRDNPatterns[i].getCertAttrs(); + + if (rdnAttrs != null && rdnAttrs.length > 0) + for (int j = 0; j < rdnAttrs.length; j++) + certAttrs.addElement(rdnAttrs[j]); + } + mCertAttrs = new String[certAttrs.size()]; + certAttrs.copyInto(mCertAttrs); + } + + /** + * Form a Ldap v3 DN string from a request and a cert subject name. + * + * @param req the request for (un)publish + * @param subject the subjectDN of the certificate + * @return Ldap v3 DN string to use for base ldap search. + */ + public String formDN(IRequest req, X500Name subject, CertificateExtensions ext) + throws ELdapException { + StringBuffer formedDN = new StringBuffer(); + + for (int i = 0; i < mRDNPatterns.length; i++) { + if (mTestDN != null) + mRDNPatterns[i].mTestDN = mTestDN; + String rdn = mRDNPatterns[i].formRDN(req, subject, ext); + + if (rdn != null && rdn.length() != 0) { + if (formedDN.length() != 0) + formedDN.append(","); + formedDN.append(rdn); + } else { + throw new ELdapException("pattern not matched"); + } + } + return formedDN.toString(); + } + + public String[] getReqAttrs() { + return (String[]) mReqAttrs.clone(); + } + + public String[] getCertAttrs() { + return (String[]) mCertAttrs.clone(); + } +} |