苹果授权登录Sign In With Apple亲测通过版[100%成功]

苹果授权登录Sign In With Apple后台代码实现JAVA版本亲测通过版

废话不多说，直接复制把自己的包名写上就可以用了
有个别的小坑，HttpUtil自己写，没附上
Base64一定要用org.apache.commons.codec.binary.Base64其它的会报错
小提示：苹果的公钥可能是固定的，可以自己实现一个缓存提高授权速度

pom.xml

 <dependency><groupId>io.jsonwebtoken</groupId><artifactId>jjwt</artifactId><version>0.9.1</version>
</dependency>

package com.;import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.haojiao.init.utils.HttpUtil;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jws;
import io.jsonwebtoken.JwtParser;
import io.jsonwebtoken.Jwts;
import org.apache.commons.codec.binary.Base64;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Base64Utils;import java.math.BigInteger;
import java.security.KeyFactory;
import java.security.PublicKey;
import java.security.spec.RSAPublicKeySpec;
import java.util.HashMap;public class SignInWithApple {private static Logger logger = LoggerFactory.getLogger(SignInWithApple.class);@Testpublic void main(){verify("1.2.3");}/*** 解密个人信息** @param identityToken APP获取的identityToken** @return 解密参数：失败返回null  sub就是用户id,用户昵称需要前端传过来*/public static JSONObject verify(String identityToken) {try {String[] identityTokens = identityToken.split("\\.");String token0 = new String(Base64Utils.decodeFromString(identityTokens[0]), "UTF-8");String token1 = new String(Base64Utils.decodeFromString(identityTokens[1]), "UTF-8");JSONObject data0 = JSONObject.parseObject(token0);JSONObject data1 = JSONObject.parseObject(token1);String aud = (String) data1.get("aud");String sub = (String) data1.get("sub");if (verify(data0,identityToken, aud, sub)) {return data1;}} catch (Exception e) {logger.info("verify(*) error ",e);}return null;}/*** 验证** @param identityToken APP获取的identityToken* @param aud           您在您的Apple Developer帐户中的client_id* @param sub           用户的唯一标识符对应APP获取到的：user* @return true/false*/private static boolean verify(JSONObject token0,String identityToken, String aud, String sub) {try {PublicKey publicKey = getPublicKey(token0);if (publicKey==null){return false;}JwtParser jwtParser = Jwts.parser().setSigningKey(publicKey);jwtParser.requireIssuer("https://appleid.apple.com");jwtParser.requireAudience(aud);jwtParser.requireSubject(sub);Jws<Claims> claim = jwtParser.parseClaimsJws(identityToken);if (claim != null && claim.getBody().containsKey("auth_time")) {return true;}} catch (Exception e) {logger.info("verify(*,*,*) error ", e);}return false;}private static PublicKey getPublicKey(JSONObject token0) {try {String str = HttpUtil.get("https://appleid.apple.com/auth/keys", new HashMap<>());JSONObject data = JSONObject.parseObject(str);JSONArray jsonArray = data.getJSONArray("keys");for (int i = 0; i <jsonArray.size() ; i++) {JSONObject o = jsonArray.getJSONObject(i);String kid = o.getString("kid");if (kid.equals(token0.getString("kid"))){String n = o.getString("n");String e = o.getString("e");BigInteger modulus = new BigInteger(1, Base64.decodeBase64(n));BigInteger publicExponent = new BigInteger(1, Base64.decodeBase64(e));RSAPublicKeySpec spec = new RSAPublicKeySpec(modulus, publicExponent);KeyFactory kf = KeyFactory.getInstance("RSA");return kf.generatePublic(spec);}}} catch (Exception e) {logger.info("getPublicKey error ", e);}return null;}}