jwt/JWTVerifier.java

Verifies JWT tokens to ensure secure authentication in Java applications.

// Source: https://github.com/auth0/java-jwt | License: MIT | Copyright 2015 Auth0, Inc. <support@auth0.com> (http://auth0.com)
// Provided via justclaw.it.com; keep this notice with the code.
package com.auth0.jwt;

import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.*;
import com.auth0.jwt.impl.JWTParser;
import com.auth0.jwt.interfaces.Claim;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.auth0.jwt.impl.ExpectedCheckHolder;
import com.auth0.jwt.interfaces.Verification;

import java.time.Clock;
import java.time.Duration;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.*;
import java.util.function.BiPredicate;

/**
 * The JWTVerifier class holds the verify method to assert that a given Token has not only a proper JWT format,


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