--- /dev/null
+/**
+ * ============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.config;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.util.Date;
+import java.util.HashSet;
+
+import org.onap.ccsdk.apps.cadi.AbsUserCache;
+import org.onap.ccsdk.apps.cadi.lur.LocalLur;
+
+public class UsersDump {
+
+ /**
+ * @param args
+ */
+ public static boolean write(OutputStream os, AbsUserCache<?> lur) {
+ PrintStream ps;
+ if (os instanceof PrintStream) {
+ ps = (PrintStream)os;
+ } else {
+ ps = new PrintStream(os);
+ }
+ try {
+ ps.println("<?xml version='1.0' encoding='utf-8'?>");
+ ps.println("<!--");
+ ps.print( " Code Generated Tomcat Users and Roles from AT&T LUR on ");
+ ps.println(new Date());
+ ps.println( "-->");
+ ps.println("<tomcat-users>");
+
+ // We loop through Users, but want to write Groups first... therefore, save off print
+ StringBuilder sb = new StringBuilder();
+
+ // Obtain all unique role names
+ HashSet<String> groups = new HashSet<>();
+ for (AbsUserCache<?>.DumpInfo di : lur.dumpInfo()) {
+ sb.append("\n <user username=\"");
+ sb.append(di.user);
+ sb.append("\" roles=\"");
+ boolean first = true;
+ for (String role : di.perms) {
+ groups.add(role);
+ if (first)first = false;
+ else sb.append(',');
+ sb.append(role);
+ }
+ sb.append("\"/>");
+
+ }
+
+ // Print roles
+ for (String group : groups) {
+ ps.print(" <role rolename=\"");
+ ps.print(group);
+ ps.println("\"/>");
+ }
+
+ ps.println(sb);
+
+ ps.println("</tomcat-users>");
+ ps.flush();
+ } catch (Exception t) {
+ t.printStackTrace(ps);
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ *
+ * Note: This method returns a String if there's an error, or null if ok.
+ * This unusual style is necessitated by the fact that any Exceptions thrown are likely to
+ * be unlogged and hidden from view, making debugging almost impossible.
+ *
+ * @param writeto
+ * @param up
+ * @return
+ */
+ public static String updateUsers(String writeto, LocalLur up) {
+ // Dump a Tomcat-user.xml lookalike (anywhere)
+ if (writeto!=null) {
+ // First read content
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ if (UsersDump.write(baos, up)) {
+ byte[] postulate = baos.toByteArray();
+ // now get contents of file
+ File file = new File(writeto);
+ boolean writeIt;
+ if (file.exists()) {
+ try {
+ FileInputStream fis = new FileInputStream(file);
+ byte[] orig = new byte[(int)file.length()];
+ int read;
+ try {
+ read = fis.read(orig);
+ } finally {
+ fis.close();
+ }
+ if (read<=0) {
+ writeIt = false;
+ } else {
+ // Starting at third "<" (<tomcat-users> line)
+ int startA=0, startB=0;
+ for (int i=0;startA<orig.length && i<3;++startA) if (orig[startA]=='<')++i;
+ for (int i=0;startB<orig.length && i<3;++startB) if (postulate[startB]=='<')++i;
+
+ writeIt=orig.length-startA!=postulate.length-startB; // first, check if remaining length is the same
+ while (!writeIt && startA<orig.length && startB<postulate.length) {
+ if (orig[startA++]!=postulate[startB++])writeIt = true;
+ }
+ }
+ } catch (Exception e) {
+ writeIt = true;
+ }
+ } else {
+ writeIt = true;
+ }
+
+ if (writeIt) {
+ try {
+ FileOutputStream fos = new FileOutputStream(file);
+ try {
+ fos.write(postulate);
+ } finally {
+ fos.close();
+ }
+ } catch (IOException e) {
+ return e.getMessage();
+ }
+ }
+ }
+ }
+ return null; // no message means ok.
+ }
+
+}
Code Review / ccsdk / apps.git / blobdiff