--- /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.validation;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+import org.onap.aaf.auth.layer.Result;
+
+
+public class Validator {
+ private static final String ESSENTIAL = "\\x25\\x28\\x29\\x2C-\\x2E\\x30-\\x39\\x3D\\x40-\\x5A\\x5F\\x61-\\x7A";
+ private static final Pattern ESSENTIAL_CHARS = Pattern.compile("["+ESSENTIAL+"]+");
+ public static final Pattern ACTION_CHARS = Pattern.compile(
+ "["+ESSENTIAL+"]+" + // All AlphaNumeric+
+ "|\\*" // Just Star
+ );
+ public static final Pattern INST_CHARS = Pattern.compile(
+ "["+ESSENTIAL+"]+[\\*]*" + // All AlphaNumeric+ possibly ending with *
+ "|\\*" + // Just Star
+ "|(([:/]\\*)|([:/][!]{0,1}["+ESSENTIAL+"]+[\\*]*[:/]*))+" // Key :asdf:*:sdf*:sdk
+ );
+ public static final Pattern ID_CHARS = Pattern.compile("[\\w.-]+@[\\w.-]+");
+ public static final Pattern NAME_CHARS = Pattern.compile("[\\w.-]+");
+ public static final Pattern DESC_CHAR = Pattern.compile("["+ESSENTIAL+"\\x20]+");
+ public static List<String> nsKeywords;
+ protected final Pattern actionChars;
+ protected final Pattern instChars;
+ private StringBuilder msgs;
+
+ static {
+ nsKeywords = new ArrayList<String>();
+ nsKeywords.add(".access");
+ nsKeywords.add(".owner");
+ nsKeywords.add(".admin");
+ nsKeywords.add(".member");
+ nsKeywords.add(".perm");
+ nsKeywords.add(".role");
+ nsKeywords.add(".ns");
+ nsKeywords.add(".cred");
+ }
+
+ public Validator() {
+ actionChars = ACTION_CHARS;
+ instChars = INST_CHARS;
+ }
+
+ public final String errs() {
+ return msgs.toString();
+ }
+
+ public final Validator nullOrBlank(String name, String str) {
+ if(str==null) {
+ msg(name + " is null.");
+ } else if(str.length()==0) {
+ msg(name + " is blank.");
+ }
+ return this;
+ }
+
+ public final Validator isNull(String name, Object o) {
+ if(o==null) {
+ msg(name + " is null.");
+ }
+ return this;
+ }
+
+ protected final boolean noMatch(String str, Pattern p) {
+ return !p.matcher(str).matches();
+ }
+ protected final boolean nob(String str, Pattern p) {
+ return str==null || !p.matcher(str).matches();
+ }
+
+ protected final void msg(String ... strs) {
+ if(msgs==null) {
+ msgs=new StringBuilder();
+ }
+ for(String str : strs) {
+ msgs.append(str);
+ }
+ msgs.append('\n');
+ }
+
+ public final boolean err() {
+ return msgs!=null;
+ }
+
+ public final Validator notOK(Result<?> res) {
+ if(res==null) {
+ msgs.append("Result object is blank");
+ } else if(res.notOK()) {
+ msgs.append(res.getClass().getSimpleName() + " is not OK");
+ }
+ return this;
+ }
+
+ protected Validator intRange(String text, int target, int start, int end) {
+ if(target<start || target>end) {
+ msg(text + " is out of range (" + start + '-' + end + ')');
+ }
+ return this;
+ }
+
+ protected Validator floatRange(String text, float target, float start, float end) {
+ if(target<start || target>end) {
+ msg(text + " is out of range (" + start + '-' + end + ')');
+ }
+ return this;
+ }
+
+ protected Validator description(String type, String description) {
+ if(description!=null) {
+ if(noMatch(description, DESC_CHAR)) {
+ msg(type + " Description is invalid.");
+ }
+ }
+ return this;
+ }
+
+ public final Validator permType(String type) {
+ if(nob(type,NAME_CHARS)) {
+ msg("Perm Type [" +type + "] is invalid.");
+ }
+ return this;
+ }
+
+ public final Validator permType(String type, String ns) {
+ if(nob(type,NAME_CHARS)) {
+ msg("Perm Type [" + (ns==null?"":ns+(type.length()==0?"":'.'))+type + "] is invalid.");
+ }
+ return this;
+ }
+
+ public final Validator permInstance(String instance) {
+ if(nob(instance,instChars)) {
+ msg("Perm Instance [" + instance + "] is invalid.");
+ }
+ return this;
+ }
+
+ public final Validator permAction(String action) {
+ // TODO check for correct Splits? Type|Instance|Action ?
+ if(nob(action, actionChars)) {
+ msg("Perm Action [" + action + "] is invalid.");
+ }
+ return this;
+ }
+
+ public final Validator role(String role) {
+ if(nob(role, NAME_CHARS)) {
+ msg("Role [" + role + "] is invalid.");
+ }
+ return this;
+ }
+
+ public final Validator ns(String ns) {
+ if(nob(ns,NAME_CHARS)){
+ msg("NS [" + ns + "] is invalid.");
+ }
+ for(String s : nsKeywords) {
+ if(ns.endsWith(s)) {
+ msg("NS [" + ns + "] may not be named with NS keywords");
+ break;
+ }
+ }
+ return this;
+ }
+
+ public final Validator key(String key) {
+ if(nob(key,NAME_CHARS)) {
+ msg("NS Prop Key [" + key + "] is invalid");
+ }
+ return this;
+ }
+
+ public final Validator value(String value) {
+ if(nob(value,ESSENTIAL_CHARS)) {
+ msg("NS Prop value [" + value + "] is invalid");
+ }
+ return this;
+ }
+
+}