001/*
002 * Copyright (c) 2011-2017 Nexmo Inc
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a copy
005 * of this software and associated documentation files (the "Software"), to deal
006 * in the Software without restriction, including without limitation the rights
007 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008 * copies of the Software, and to permit persons to whom the Software is
009 * furnished to do so, subject to the following conditions:
010 *
011 * The above copyright notice and this permission notice shall be included in
012 * all copies or substantial portions of the Software.
013 *
014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
020 * THE SOFTWARE.
021 */
022package com.nexmo.client.auth;
023
024import org.apache.commons.lang3.StringUtils;
025
026import java.util.*;
027
028public class NexmoUnacceptableAuthException extends NexmoAuthException {
029    private static final Map<Class, String> AUTH_DESCRIPTION_MAP = new HashMap<>();
030
031    private final Iterable<AuthMethod> availableAuths;
032    private final Iterable<Class> acceptableAuthClasses;
033
034    static {
035        AUTH_DESCRIPTION_MAP.put(TokenAuthMethod.class, "API Key and Secret");
036        AUTH_DESCRIPTION_MAP.put(SignatureAuthMethod.class, "API Key and Signature Secret");
037        AUTH_DESCRIPTION_MAP.put(JWTAuthMethod.class, "Application ID and Private Key");
038    }
039
040    public NexmoUnacceptableAuthException(Collection<AuthMethod> availableAuths, Collection<Class>
041            acceptableAuthClasses) {
042        super();
043        this.availableAuths = new ArrayList<>(availableAuths);
044        this.acceptableAuthClasses = new ArrayList<>(acceptableAuthClasses);
045    }
046
047    public String getMessage() {
048        return generateErrorMessage();
049    }
050
051    private String generateErrorMessage() {
052        SortedSet<String> availableTypes = new TreeSet<>();
053        for (AuthMethod auth : this.availableAuths) {
054            availableTypes.add(AUTH_DESCRIPTION_MAP.getOrDefault(auth.getClass(), auth.getClass().getSimpleName()));
055        }
056
057        SortedSet<String> acceptableTypes = new TreeSet<>();
058        for (Class klass : this.acceptableAuthClasses) {
059            acceptableTypes.add(AUTH_DESCRIPTION_MAP.getOrDefault(klass, klass.getSimpleName()));
060        }
061
062        return String.format("No acceptable authentication type could be found. Acceptable types are: %s. Supplied " +
063                "types " +
064                "were: %s", StringUtils.join(acceptableTypes, ", "), StringUtils.join(availableTypes, ", "));
065    }
066}