🔖 v1.9.3,详细更新内容参考update.md
This commit is contained in:
50
src/main/java/me/zhyd/oauth/cache/AuthCache.java
vendored
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50
src/main/java/me/zhyd/oauth/cache/AuthCache.java
vendored
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@@ -0,0 +1,50 @@
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package me.zhyd.oauth.cache;
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/**
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* JustAuth缓存,用来缓存State
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*
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* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
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* @since 1.9.3
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*/
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public interface AuthCache {
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/**
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* 设置缓存
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*
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* @param key 缓存KEY
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* @param value 缓存内容
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*/
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void set(String key, String value);
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/**
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* 设置缓存,指定过期时间
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*
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* @param key 缓存KEY
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* @param value 缓存内容
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* @param timeout 指定缓存过期时间(毫秒)
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*/
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void set(String key, String value, long timeout);
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/**
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* 获取缓存
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*
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* @param key 缓存KEY
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* @return 缓存内容
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*/
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String get(String key);
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/**
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* 是否存在key,如果对应key的value值已过期,也返回false
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*
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* @param key 缓存KEY
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* @return true:存在key,并且value没过期;false:key不存在或者已过期
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*/
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boolean containsKey(String key);
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/**
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* 清理过期的缓存
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*/
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default void pruneCache() {
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}
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}
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39
src/main/java/me/zhyd/oauth/cache/AuthCacheScheduler.java
vendored
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39
src/main/java/me/zhyd/oauth/cache/AuthCacheScheduler.java
vendored
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@@ -0,0 +1,39 @@
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package me.zhyd.oauth.cache;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ScheduledThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* 缓存调度器
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*
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* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
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* @since 1.9.3
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*/
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public enum AuthCacheScheduler {
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INSTANCE;
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private AtomicInteger cacheTaskNumber = new AtomicInteger(1);
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private ScheduledExecutorService scheduler;
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AuthCacheScheduler() {
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create();
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}
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private void create() {
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this.shutdown();
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this.scheduler = new ScheduledThreadPoolExecutor(10, r -> new Thread(r, String.format("JustAuth-Task-%s", cacheTaskNumber.getAndIncrement())));
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}
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private void shutdown() {
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if (null != scheduler) {
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this.scheduler.shutdown();
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}
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}
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public void schedule(Runnable task, long delay) {
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this.scheduler.scheduleAtFixedRate(task, delay, delay, TimeUnit.MILLISECONDS);
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}
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}
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144
src/main/java/me/zhyd/oauth/cache/AuthDefaultCache.java
vendored
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144
src/main/java/me/zhyd/oauth/cache/AuthDefaultCache.java
vendored
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@@ -0,0 +1,144 @@
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package me.zhyd.oauth.cache;
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import lombok.Getter;
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import lombok.Setter;
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import java.io.Serializable;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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/**
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* 默认的缓存实现
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*
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* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
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* @since 1.9.3
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*/
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public class AuthDefaultCache implements AuthCache {
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/**
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* 默认缓存过期时间:3分钟
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* 鉴于授权过程中,根据个人的操作习惯,或者授权平台的不同(google等),每个授权流程的耗时也有差异,不过单个授权流程一般不会太长
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* 本缓存工具默认的过期时间设置为3分钟,即程序默认认为3分钟内的授权有效,超过3分钟则默认失效,失效后删除
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*/
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private static final long DEF_TIMEOUT = 3 * 60 * 1000;
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/**
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* state cache
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*/
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private static Map<String, CacheState> stateCache = new ConcurrentHashMap<>();
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private final ReentrantReadWriteLock cacheLock = new ReentrantReadWriteLock(true);
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private final Lock writeLock = cacheLock.writeLock();
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private final Lock readLock = cacheLock.readLock();
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public AuthDefaultCache() {
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this.schedulePrune(DEF_TIMEOUT);
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}
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/**
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* 设置缓存
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*
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* @param key 缓存KEY
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* @param value 缓存内容
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*/
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@Override
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public void set(String key, String value) {
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set(key, value, DEF_TIMEOUT);
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}
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/**
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* 设置缓存
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*
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* @param key 缓存KEY
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* @param value 缓存内容
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* @param timeout 指定缓存过期时间(毫秒)
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*/
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@Override
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public void set(String key, String value, long timeout) {
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writeLock.lock();
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try {
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stateCache.put(key, new CacheState(value, timeout));
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} finally {
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writeLock.unlock();
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}
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}
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/**
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* 获取缓存
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*
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* @param key 缓存KEY
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* @return 缓存内容
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*/
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@Override
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public String get(String key) {
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readLock.lock();
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try {
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CacheState cacheState = stateCache.get(key);
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if (null == cacheState || cacheState.isExpired()) {
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return null;
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}
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return cacheState.getState();
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} finally {
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readLock.unlock();
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}
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}
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/**
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* 是否存在key,如果对应key的value值已过期,也返回false
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*
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* @param key 缓存KEY
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* @return true:存在key,并且value没过期;false:key不存在或者已过期
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*/
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@Override
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public boolean containsKey(String key) {
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readLock.lock();
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try {
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CacheState cacheState = stateCache.get(key);
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return null != cacheState && !cacheState.isExpired();
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} finally {
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readLock.unlock();
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}
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}
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/**
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* 清理过期的缓存
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*/
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@Override
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public void pruneCache() {
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Iterator<CacheState> values = stateCache.values().iterator();
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CacheState cacheState;
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while (values.hasNext()) {
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cacheState = values.next();
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if (cacheState.isExpired()) {
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values.remove();
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}
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}
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}
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/**
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* 定时清理
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*
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* @param delay 间隔时长,单位毫秒
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*/
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public void schedulePrune(long delay) {
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AuthCacheScheduler.INSTANCE.schedule(this::pruneCache, delay);
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}
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@Getter
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@Setter
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private class CacheState implements Serializable {
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private String state;
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private long expire;
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CacheState(String state, long expire) {
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this.state = state;
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// 实际过期时间等于当前时间加上有效期
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this.expire = System.currentTimeMillis() + expire;
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}
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boolean isExpired() {
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return System.currentTimeMillis() > this.expire;
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}
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}
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}
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51
src/main/java/me/zhyd/oauth/cache/AuthStateCache.java
vendored
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51
src/main/java/me/zhyd/oauth/cache/AuthStateCache.java
vendored
Normal file
@@ -0,0 +1,51 @@
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package me.zhyd.oauth.cache;
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/**
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* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
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* @version 1.0
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* @since 1.8
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*/
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public class AuthStateCache {
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private static AuthCache authCache = new AuthDefaultCache();
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/**
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* 存入缓存
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*
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* @param key 缓存key
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* @param value 缓存内容
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*/
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public static void cache(String key, String value) {
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authCache.set(key, value);
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}
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/**
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* 存入缓存
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*
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* @param key 缓存key
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* @param value 缓存内容
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* @param timeout 指定缓存过期时间(毫秒)
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*/
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public static void cache(String key, String value, long timeout) {
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authCache.set(key, value, timeout);
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}
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/**
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* 获取缓存内容
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*
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* @param key 缓存key
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* @return 缓存内容
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*/
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public static String get(String key) {
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return authCache.get(key);
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}
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/**
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* 是否存在key,如果对应key的value值已过期,也返回false
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*
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* @param key 缓存key
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* @return true:存在key,并且value没过期;false:key不存在或者已过期
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*/
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public static boolean containsKey(String key) {
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return authCache.containsKey(key);
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}
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}
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@@ -2,6 +2,7 @@ package me.zhyd.oauth.model;
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import lombok.Getter;
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import lombok.Setter;
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import me.zhyd.oauth.cache.AuthStateCache;
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/**
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* 授权回调时的参数类
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@@ -27,4 +28,14 @@ public class AuthCallback {
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* 访问AuthorizeUrl后回调时带的参数state,用于和请求AuthorizeUrl前的state比较,防止CSRF攻击
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*/
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private String state;
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/**
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* 内置的检验state合法性的方法
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*
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* @return true: state正常;false:state不正常,可能授权时间过长导致state失效
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* @since 1.9.3
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*/
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public boolean checkState() {
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return AuthStateCache.containsKey(this.state);
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}
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}
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@@ -85,7 +85,7 @@ public class AuthAlipayRequest extends AuthDefaultRequest {
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}
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/**
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* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
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* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
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* @param state state 验证授权流程的参数,可以防止csrf
|
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* @return 返回授权地址
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@@ -78,7 +78,7 @@ public class AuthBaiduRequest extends AuthDefaultRequest {
|
||||
}
|
||||
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/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
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* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
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@@ -70,7 +70,7 @@ public class AuthCodingRequest extends AuthDefaultRequest {
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||||
}
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||||
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||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -3,6 +3,7 @@ package me.zhyd.oauth.request;
|
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import cn.hutool.http.HttpRequest;
|
||||
import cn.hutool.http.HttpResponse;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
import me.zhyd.oauth.cache.AuthStateCache;
|
||||
import me.zhyd.oauth.config.AuthConfig;
|
||||
import me.zhyd.oauth.config.AuthSource;
|
||||
import me.zhyd.oauth.exception.AuthException;
|
||||
@@ -10,6 +11,7 @@ import me.zhyd.oauth.model.*;
|
||||
import me.zhyd.oauth.utils.AuthChecker;
|
||||
import me.zhyd.oauth.utils.StringUtils;
|
||||
import me.zhyd.oauth.utils.UrlBuilder;
|
||||
import me.zhyd.oauth.utils.UuidUtils;
|
||||
|
||||
/**
|
||||
* 默认的request处理类
|
||||
@@ -60,7 +62,7 @@ public abstract class AuthDefaultRequest implements AuthRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回认证url,可自行跳转页面
|
||||
* 返回授权url,可自行跳转页面
|
||||
* <p>
|
||||
* 不建议使用该方式获取授权地址,不带{@code state}的授权地址,容易受到csrf攻击。
|
||||
* 建议使用{@link AuthDefaultRequest#authorize(String)}方法生成授权地址,在回调方法中对{@code state}进行校验
|
||||
@@ -75,7 +77,7 @@ public abstract class AuthDefaultRequest implements AuthRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
@@ -150,7 +152,12 @@ public abstract class AuthDefaultRequest implements AuthRequest {
|
||||
* @return 返回不为null的state
|
||||
*/
|
||||
protected String getRealState(String state) {
|
||||
return StringUtils.isEmpty(state) ? String.valueOf(System.currentTimeMillis()) : state;
|
||||
if (StringUtils.isEmpty(state)) {
|
||||
state = UuidUtils.getUUID();
|
||||
}
|
||||
// 缓存state
|
||||
AuthStateCache.cache(state, state);
|
||||
return state;
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@@ -57,7 +57,7 @@ public class AuthDingTalkRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -88,7 +88,7 @@ public class AuthDouyinRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -60,7 +60,7 @@ public class AuthGoogleRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -181,7 +181,7 @@ public class AuthLinkedinRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -108,7 +108,7 @@ public class AuthMiRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -101,7 +101,7 @@ public class AuthMicrosoftRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -69,7 +69,7 @@ public class AuthPinterestRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -13,7 +13,7 @@ import me.zhyd.oauth.model.AuthToken;
|
||||
public interface AuthRequest {
|
||||
|
||||
/**
|
||||
* 返回认证url,可自行跳转页面
|
||||
* 返回授权url,可自行跳转页面
|
||||
* <p>
|
||||
* 不建议使用该方式获取授权地址,不带{@code state}的授权地址,容易受到csrf攻击。
|
||||
* 建议使用{@link AuthDefaultRequest#authorize(String)}方法生成授权地址,在回调方法中对{@code state}进行校验
|
||||
@@ -26,7 +26,7 @@ public interface AuthRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -67,7 +67,7 @@ public class AuthStackOverflowRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -54,7 +54,7 @@ public class AuthTaobaoRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -70,7 +70,7 @@ public class AuthTencentCloudRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -64,7 +64,7 @@ public class AuthToutiaoRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
@@ -99,7 +99,7 @@ public class AuthWeChatRequest extends AuthDefaultRequest {
|
||||
}
|
||||
|
||||
/**
|
||||
* 返回带{@code state}参数的认证url,授权回调时会带上这个{@code state}
|
||||
* 返回带{@code state}参数的授权url,授权回调时会带上这个{@code state}
|
||||
*
|
||||
* @param state state 验证授权流程的参数,可以防止csrf
|
||||
* @return 返回授权地址
|
||||
|
||||
19
src/main/java/me/zhyd/oauth/utils/AuthStateUtils.java
Normal file
19
src/main/java/me/zhyd/oauth/utils/AuthStateUtils.java
Normal file
@@ -0,0 +1,19 @@
|
||||
package me.zhyd.oauth.utils;
|
||||
|
||||
/**
|
||||
* AuthState工具类,默认只提供一个创建随机uuid的方法
|
||||
*
|
||||
* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
|
||||
* @since 1.9.3
|
||||
*/
|
||||
public class AuthStateUtils {
|
||||
|
||||
/**
|
||||
* 生成随机state,采用{@see https://github.com/lets-mica/mica}的UUID工具
|
||||
*
|
||||
* @return 随机的state字符串
|
||||
*/
|
||||
public static String createState() {
|
||||
return UuidUtils.getUUID();
|
||||
}
|
||||
}
|
||||
@@ -1,9 +1,11 @@
|
||||
package me.zhyd.oauth.utils;
|
||||
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.concurrent.ThreadLocalRandom;
|
||||
|
||||
/**
|
||||
* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
|
||||
* @version 1.0
|
||||
* @since 1.8
|
||||
* @since 1.0.0
|
||||
*/
|
||||
public class StringUtils {
|
||||
|
||||
@@ -14,4 +16,24 @@ public class StringUtils {
|
||||
public static boolean isNotEmpty(String str) {
|
||||
return !isEmpty(str);
|
||||
}
|
||||
|
||||
/**
|
||||
* 如果给定字符串{@code str}中不包含{@code appendStr},则在{@code str}后追加{@code appendStr};
|
||||
* 如果已包含{@code appendStr},则在{@code str}后追加{@code otherwise}
|
||||
*
|
||||
* @param str 给定的字符串
|
||||
* @param appendStr 需要追加的内容
|
||||
* @param otherwise 当{@code appendStr}不满足时追加到{@code str}后的内容
|
||||
* @return 追加后的字符串
|
||||
*/
|
||||
public static String appendIfNotContain(String str, String appendStr, String otherwise) {
|
||||
if (isEmpty(str) || isEmpty(appendStr)) {
|
||||
return str;
|
||||
}
|
||||
if (str.contains(appendStr)) {
|
||||
return str.concat(otherwise);
|
||||
}
|
||||
return str.concat(appendStr);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -71,7 +71,7 @@ public class UrlBuilder {
|
||||
if (MapUtil.isEmpty(this.params)) {
|
||||
return this.baseUrl;
|
||||
}
|
||||
String baseUrl = StrUtil.addSuffixIfNot(this.baseUrl, "?");
|
||||
String baseUrl = StringUtils.appendIfNotContain(this.baseUrl, "?", "&");
|
||||
String paramString = GlobalAuthUtil.parseMapToString(this.params, encode);
|
||||
return baseUrl + paramString;
|
||||
}
|
||||
|
||||
65
src/main/java/me/zhyd/oauth/utils/UuidUtils.java
Normal file
65
src/main/java/me/zhyd/oauth/utils/UuidUtils.java
Normal file
@@ -0,0 +1,65 @@
|
||||
package me.zhyd.oauth.utils;
|
||||
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.concurrent.ThreadLocalRandom;
|
||||
|
||||
/**
|
||||
* 高性能的创建UUID的工具类,{@see https://github.com/lets-mica/mica}
|
||||
*
|
||||
* @author yadong.zhang (yadong.zhang0415(a)gmail.com)
|
||||
* @since 1.9.3
|
||||
*/
|
||||
public class UuidUtils {
|
||||
|
||||
/**
|
||||
* All possible chars for representing a number as a String
|
||||
* copy from mica:https://github.com/lets-mica/mica/blob/master/mica-core/src/main/java/net/dreamlu/mica/core/utils/NumberUtil.java#L113
|
||||
*/
|
||||
private final static byte[] DIGITS = {
|
||||
'0', '1', '2', '3', '4', '5',
|
||||
'6', '7', '8', '9', 'a', 'b',
|
||||
'c', 'd', 'e', 'f', 'g', 'h',
|
||||
'i', 'j', 'k', 'l', 'm', 'n',
|
||||
'o', 'p', 'q', 'r', 's', 't',
|
||||
'u', 'v', 'w', 'x', 'y', 'z',
|
||||
'A', 'B', 'C', 'D', 'E', 'F',
|
||||
'G', 'H', 'I', 'J', 'K', 'L',
|
||||
'M', 'N', 'O', 'P', 'Q', 'R',
|
||||
'S', 'T', 'U', 'V', 'W', 'X',
|
||||
'Y', 'Z'
|
||||
};
|
||||
|
||||
/**
|
||||
* 生成uuid,采用 jdk 9 的形式,优化性能
|
||||
* copy from mica:https://github.com/lets-mica/mica/blob/master/mica-core/src/main/java/net/dreamlu/mica/core/utils/StringUtil.java#L335
|
||||
* <p>
|
||||
* 关于mica uuid生成方式的压测结果,可以参考:https://github.com/lets-mica/mica-jmh/wiki/uuid
|
||||
*
|
||||
* @return UUID
|
||||
*/
|
||||
public static String getUUID() {
|
||||
ThreadLocalRandom random = ThreadLocalRandom.current();
|
||||
long lsb = random.nextLong();
|
||||
long msb = random.nextLong();
|
||||
byte[] buf = new byte[32];
|
||||
formatUnsignedLong(lsb, buf, 20, 12);
|
||||
formatUnsignedLong(lsb >>> 48, buf, 16, 4);
|
||||
formatUnsignedLong(msb, buf, 12, 4);
|
||||
formatUnsignedLong(msb >>> 16, buf, 8, 4);
|
||||
formatUnsignedLong(msb >>> 32, buf, 0, 8);
|
||||
return new String(buf, StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
/**
|
||||
* copy from mica:https://github.com/lets-mica/mica/blob/master/mica-core/src/main/java/net/dreamlu/mica/core/utils/StringUtil.java#L348
|
||||
*/
|
||||
private static void formatUnsignedLong(long val, byte[] buf, int offset, int len) {
|
||||
int charPos = offset + len;
|
||||
int radix = 1 << 4;
|
||||
int mask = radix - 1;
|
||||
do {
|
||||
buf[--charPos] = DIGITS[((int) val) & mask];
|
||||
val >>>= 4;
|
||||
} while (charPos > offset);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user