001/*
002 *   Copyright 2020 Vonage
003 *
004 *   Licensed under the Apache License, Version 2.0 (the "License");
005 *   you may not use this file except in compliance with the License.
006 *   You may obtain a copy of the License at
007 *
008 *        http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *   Unless required by applicable law or agreed to in writing, software
011 *   distributed under the License is distributed on an "AS IS" BASIS,
012 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *   See the License for the specific language governing permissions and
014 *   limitations under the License.
015 */
016package com.vonage.client.auth;
017
018import org.apache.commons.lang3.StringUtils;
019
020import java.util.*;
021
022public class VonageUnacceptableAuthException extends VonageAuthException {
023    private static final Map<Class, String> AUTH_DESCRIPTION_MAP = new HashMap<>();
024
025    private final Iterable<AuthMethod> availableAuths;
026    private final Iterable<Class> acceptableAuthClasses;
027
028    static {
029        AUTH_DESCRIPTION_MAP.put(TokenAuthMethod.class, "API Key and Secret");
030        AUTH_DESCRIPTION_MAP.put(SignatureAuthMethod.class, "API Key and Signature Secret");
031        AUTH_DESCRIPTION_MAP.put(JWTAuthMethod.class, "Application ID and Private Key");
032    }
033
034    public VonageUnacceptableAuthException(Collection<AuthMethod> availableAuths, Collection<Class>
035            acceptableAuthClasses) {
036        super();
037        this.availableAuths = new ArrayList<>(availableAuths);
038        this.acceptableAuthClasses = new ArrayList<>(acceptableAuthClasses);
039    }
040
041    public String getMessage() {
042        return generateErrorMessage();
043    }
044
045    private String generateErrorMessage() {
046        SortedSet<String> availableTypes = new TreeSet<>();
047        for (AuthMethod auth : this.availableAuths) {
048            availableTypes.add(AUTH_DESCRIPTION_MAP.getOrDefault(auth.getClass(), auth.getClass().getSimpleName()));
049        }
050
051        SortedSet<String> acceptableTypes = new TreeSet<>();
052        for (Class klass : this.acceptableAuthClasses) {
053            acceptableTypes.add(AUTH_DESCRIPTION_MAP.getOrDefault(klass, klass.getSimpleName()));
054        }
055
056        return String.format("No acceptable authentication type could be found. Acceptable types are: %s. Supplied " +
057                "types " +
058                "were: %s", StringUtils.join(acceptableTypes, ", "), StringUtils.join(availableTypes, ", "));
059    }
060}