Port to java 17

[ccsdk/apps.git] / cadi / core / src / main / java / org / onap / ccsdk / apps / cadi / principal / X509Principal.java

diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/principal/X509Principal.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/principal/X509Principal.java
new file mode 100644 (file)
index 0000000..245b27a
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/principal/X509Principal.java
@@ -0,0 +1,112 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk
+ * ===========================================================================
+ * Copyright (c) 2023 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.ccsdk.apps.cadi.principal;
+
+import java.io.IOException;
+import java.security.cert.CertificateEncodingException;
+import java.security.cert.X509Certificate;
+import java.util.regex.Pattern;
+
+import org.onap.ccsdk.apps.cadi.GetCred;
+import org.onap.ccsdk.apps.cadi.taf.basic.BasicHttpTaf;
+
+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 byte[] content;
+    private BasicHttpTaf bht;
+
+    public X509Principal(String identity, X509Certificate cert) {
+        name = identity;
+        content = null;
+        this.cert = cert;
+    }
+
+    public X509Principal(String identity, X509Certificate cert, byte[] content, BasicHttpTaf bht) {
+        name = identity;
+        this.content = content;
+        this.cert = cert;
+        this.bht = bht;
+    }
+
+    public X509Principal(X509Certificate cert, byte[] content, BasicHttpTaf bht) 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;
+        this.bht = bht;
+    }
+
+    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";
+    }
+
+    public BasicHttpTaf getBasicHttpTaf() {
+        return bht;
+    }
+
+}