--- /dev/null
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+package org.onap.aaf.auth.cm.ca;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.security.MessageDigest;
+import java.security.Principal;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.bouncycastle.asn1.x500.style.BCStyle;
+import org.onap.aaf.auth.cm.cert.CSRMeta;
+import org.onap.aaf.auth.cm.cert.RDN;
+import org.onap.aaf.cadi.Access;
+import org.onap.aaf.cadi.Access.Level;
+import org.onap.aaf.cadi.cm.CertException;
+import org.onap.aaf.misc.env.Trans;
+import org.onap.aaf.misc.env.util.Split;
+
+public abstract class CA {
+ private static final String MUST_EXIST_TO_CREATE_CSRS_FOR = " must exist to create CSRs for ";
+ //TODO figuring out what is an Issuing CA is a matter of convention. Consider SubClassing for Open Source
+ public static final String ISSUING_CA = "Issuing CA";
+ public static final String CM_CA_PREFIX = "cm_ca.";
+ public static final String CM_CA_BASE_SUBJECT = ".baseSubject";
+ protected static final String CM_PUBLIC_DIR = "cm_public_dir";
+ private static final String CM_TRUST_CAS = "cm_trust_cas";
+ protected static final String CM_BACKUP_CAS = "cm_backup_cas";
+
+ public static final Set<String> EMPTY = Collections.unmodifiableSet(new HashSet<String>());
+
+
+ private final String name,env;
+ private MessageDigest messageDigest;
+ private final String permType;
+ private Set<String> caIssuerDNs;
+ private final ArrayList<String> idDomains;
+ private String[] trustedCAs;
+ private List<RDN> rdns;
+
+
+ protected CA(Access access, String caName, String env) throws IOException, CertException {
+ trustedCAs = new String[4]; // starting array
+ this.name = caName;
+ this.env = env;
+ permType = access.getProperty(CM_CA_PREFIX + name + ".perm_type",null);
+ if(permType==null) {
+ throw new CertException(CM_CA_PREFIX + name + ".perm_type" + MUST_EXIST_TO_CREATE_CSRS_FOR + caName);
+ }
+ caIssuerDNs = new HashSet<String>();
+
+ String tag = CA.CM_CA_PREFIX+caName+CA.CM_CA_BASE_SUBJECT;
+
+ String fields = access.getProperty(tag, null);
+ if(fields==null) {
+ throw new CertException(tag + MUST_EXIST_TO_CREATE_CSRS_FOR + caName);
+ }
+ for(RDN rdn : rdns = RDN.parse('/',fields)) {
+ if(rdn.aoi==BCStyle.EmailAddress) { // Cert Specs say Emails belong in Subject
+ throw new CertException("email address is not allowed in " + CM_CA_BASE_SUBJECT);
+ }
+ }
+
+ idDomains = new ArrayList<String>();
+ StringBuilder sb = null;
+ for(String s : Split.splitTrim(',', access.getProperty(CA.CM_CA_PREFIX+caName+".idDomains", ""))) {
+ if(s.length()>0) {
+ if(sb==null) {
+ sb = new StringBuilder();
+ } else {
+ sb.append(", ");
+ }
+ idDomains.add(s);
+ sb.append(s);
+ }
+ }
+ if(sb!=null) {
+ access.printf(Level.INIT, "CA '%s' supports Personal Certificates for %s", caName, sb);
+ }
+
+ String data_dir = access.getProperty(CM_PUBLIC_DIR,null);
+ if(data_dir!=null) {
+ File data = new File(data_dir);
+ byte[] bytes;
+ if(data.exists()) {
+ String trust_cas = access.getProperty(CM_TRUST_CAS,null);
+ if(trust_cas!=null) {
+ for(String fname : Split.splitTrim(',', trust_cas)) {
+ File crt = new File(data,fname);
+ if(crt.exists()) {
+ access.printf(Level.INIT, "Loading CA Cert from %s", crt.getAbsolutePath());
+ bytes = new byte[(int)crt.length()];
+ FileInputStream fis = new FileInputStream(crt);
+ try {
+ fis.read(bytes);
+ addTrustedCA(new String(bytes));
+ } finally {
+ fis.close();
+ }
+ } else {
+ access.printf(Level.INIT, "FAILED to Load CA Cert from %s", crt.getAbsolutePath());
+ }
+ }
+ } else {
+ access.printf(Level.INIT, "Cannot load external TRUST CAs: No property %s",CM_TRUST_CAS);
+ }
+ } else {
+ access.printf(Level.INIT, "Cannot load external TRUST CAs: %s doesn't exist, or is not accessible",data.getAbsolutePath());
+ }
+ }
+ }
+
+ protected void addCaIssuerDN(String issuerDN) {
+ caIssuerDNs.add(issuerDN);
+ }
+
+ protected synchronized void addTrustedCA(final String crtString) {
+ String crt;
+ if(crtString.endsWith("\n")) {
+ crt = crtString;
+ } else {
+ crt = crtString + '\n';
+ }
+ for(int i=0;i<trustedCAs.length;++i) {
+ if(trustedCAs[i]==null) {
+ trustedCAs[i]=crt;
+ return;
+ }
+ }
+ String[] temp = new String[trustedCAs.length+5];
+ System.arraycopy(trustedCAs,0,temp, 0, trustedCAs.length);
+ temp[trustedCAs.length]=crt;
+ trustedCAs = temp;
+ }
+
+ public Set<String> getCaIssuerDNs() {
+ return caIssuerDNs;
+ }
+
+ public String[] getTrustedCAs() {
+ return trustedCAs;
+ }
+
+ public String getEnv() {
+ return env;
+ }
+
+ protected void setMessageDigest(MessageDigest md) {
+ messageDigest = md;
+ }
+
+ /*
+ * End Required Constructor calls
+ */
+
+ public String getName() {
+ return name;
+ }
+
+
+ public String getPermType() {
+ return permType;
+ }
+
+ public abstract X509andChain sign(Trans trans, CSRMeta csrmeta) throws IOException, CertException;
+
+ /* (non-Javadoc)
+ * @see org.onap.aaf.auth.cm.ca.CA#inPersonalDomains(java.security.Principal)
+ */
+ public boolean inPersonalDomains(Principal p) {
+ int at = p.getName().indexOf('@');
+ if(at>=0) {
+ return idDomains.contains(p.getName().substring(at+1));
+ } else {
+ return false;
+ }
+ }
+
+ public MessageDigest messageDigest() {
+ return messageDigest;
+ }
+
+ public CSRMeta newCSRMeta() {
+ return new CSRMeta(rdns);
+ }
+}