115 lines
2.7 KiB
Java
115 lines
2.7 KiB
Java
/**
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* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
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* <p>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.gateway.utils;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import lombok.Getter;
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import org.springblade.core.launch.constant.TokenConstant;
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import org.springblade.gateway.props.JwtProperties;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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/**
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* JwtUtil
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*
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* @author Chill
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*/
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public class JwtUtil {
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public static String BEARER = TokenConstant.BEARER;
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public static String CRYPTO = TokenConstant.CRYPTO;
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public static Integer AUTH_LENGTH = 7;
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/**
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* jwt配置
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*/
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@Getter
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private static JwtProperties jwtProperties;
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public static void setJwtProperties(JwtProperties properties) {
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if (JwtUtil.jwtProperties == null) {
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JwtUtil.jwtProperties = properties;
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}
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}
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/**
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* 签名加密
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*/
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public static String getBase64Security() {
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return Base64.getEncoder().encodeToString(getJwtProperties().getSignKey().getBytes(StandardCharsets.UTF_8));
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}
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/**
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* 获取请求传递的token串
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*
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* @param auth token
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* @return String
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*/
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public static String getToken(String auth) {
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if (isBearer(auth) || isCrypto(auth)) {
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return auth.substring(AUTH_LENGTH);
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}
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return null;
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}
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/**
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* 判断token类型为bearer
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*
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* @param auth token
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* @return String
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*/
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public static Boolean isBearer(String auth) {
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if ((auth != null) && (auth.length() > AUTH_LENGTH)) {
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String headStr = auth.substring(0, 6).toLowerCase();
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return headStr.compareTo(BEARER) == 0;
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}
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return false;
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}
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/**
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* 判断token类型为crypto
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*
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* @param auth token
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* @return String
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*/
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public static Boolean isCrypto(String auth) {
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if ((auth != null) && (auth.length() > AUTH_LENGTH)) {
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String headStr = auth.substring(0, 6).toLowerCase();
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return headStr.compareTo(CRYPTO) == 0;
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}
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return false;
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}
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/**
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* 解析jsonWebToken
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*
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* @param jsonWebToken token串
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* @return Claims
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*/
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public static Claims parseJWT(String jsonWebToken) {
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try {
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return Jwts.parserBuilder()
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.setSigningKey(Base64.getDecoder().decode(getBase64Security())).build()
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.parseClaimsJws(jsonWebToken).getBody();
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} catch (Exception ex) {
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return null;
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}
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}
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}
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