javaOIDCMsg/lib/src/main/java/com/auth0/jwt/TokenUtils.java at master · ewjay/javaOIDCMsg

44 lines (40 loc) · 1.99 KB

// Permission is hereby granted, free of charge, to any person obtaining a copy of

// this software and associated documentation files (the "Software"), to deal in

// the Software without restriction, including without limitation the rights to

// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

// the Software, and to permit persons to whom the Software is furnished to do so,

// subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

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package com.auth0.jwt;

import com.auth0.jwt.exceptions.JWTDecodeException;

public abstract class TokenUtils {

/**

* Splits the given token on the "." chars into a String array with 3 parts.

* @param token the string to split.

* @return the array representing the 3 parts of the token.

* @throws JWTDecodeException if the Token doesn't have 3 parts.

public static String[] splitToken(String token) throws JWTDecodeException {

String[] parts = token.split("\\.");

if (parts.length == 2 && token.endsWith(".")) {

//Tokens with alg='none' have empty String as Signature.

parts = new String[]{parts[0], parts[1], ""};

}

if (parts.length != 3) {

throw new JWTDecodeException(String.format("The token was expected to have 3 parts, but got %s.", parts.length));

}

return parts;

}

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