AT&T 2.0.19 Code drop, stage 2

[aaf/authz.git] / cadi / core / src / main / java / org / onap / aaf / cadi / principal / X509Principal.java

diff --git a/cadi/core/src/main/java/org/onap/aaf/cadi/principal/X509Principal.java b/cadi/core/src/main/java/org/onap/aaf/cadi/principal/X509Principal.java
new file mode 100644 (file)
index 0000000..16f6217
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/aaf/cadi/principal/X509Principal.java
@@ -0,0 +1,109 @@
+/**
+ * ============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.cadi.principal;
+
+import java.io.IOException;
+import java.security.cert.CertificateEncodingException;
+import java.security.cert.X509Certificate;
+import java.util.regex.Pattern;
+
+import org.onap.aaf.cadi.CadiException;
+import org.onap.aaf.cadi.GetCred;
+
+public class X509Principal extends BearerPrincipal implements GetCred {
+       private static final Pattern pattern = Pattern.compile("[a-zA-Z0-9]*\\@[a-zA-Z0-9.]*");
+       private final X509Certificate cert;
+       private final String name;
+       private TagLookup tagLookup;
+       private byte[] content;  
+
+       public X509Principal(String identity, X509Certificate cert) {
+               name = identity;
+               content = null;
+               this.cert = cert;
+               tagLookup = null;
+       }
+
+       public X509Principal(String identity, X509Certificate cert, byte[] content) {
+               name = identity;
+               this.content = content;
+               this.cert = cert;
+               tagLookup = null;
+       }
+
+       public X509Principal(X509Certificate cert, byte[] content) throws IOException {
+               this.content=content;
+               this.cert = cert;
+               String _name = null;
+               String subj = cert.getSubjectDN().getName();
+               int cn = subj.indexOf("OU=");
+               if(cn>=0) {
+                       cn+=3;
+                       int space = subj.indexOf(',',cn);
+                       if(space>=0) {
+                               String id = subj.substring(cn, space);
+                               if(pattern.matcher(id).matches()) {
+                                       _name = id;
+                               }
+                       }
+               }
+               if(_name==null) {
+                       throw new IOException("X509 does not have Identity as CN");
+               }
+               name = _name;
+               tagLookup = null;
+       }
+       
+       public String getAsHeader() throws IOException {
+               try {
+                       if(content==null) {
+                               content=cert.getEncoded();
+                       }
+               } catch (CertificateEncodingException e) {
+                       throw new IOException(e);
+               }
+               return "X509 " + content;
+       }
+       
+       public String toString() {
+               return "X509 Authentication for " + name;
+       }
+
+
+       public byte[] getCred() {
+               try {
+                       return content==null?(content=cert.getEncoded()):content;
+               } catch (CertificateEncodingException e) {
+                       return null;
+               }
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       @Override
+       public String tag() {
+               return "x509";
+       }
+
+}