shiro 多Realm配置 Realm不执行/实现Realm针对性验证

protected AuthenticationInfo doMultiRealmAuthentication(Collection<Realm> realms, AuthenticationToken token) {
AuthenticationStrategy strategy = this.getAuthenticationStrategy();
AuthenticationInfo aggregate = strategy.beforeAllAttempts(realms, token);
if (log.isTraceEnabled()) {
log.trace("Iterating through {} realms for PAM authentication", realms.size());
}
Iterator var5 = realms.iterator();
while(var5.hasNext()) {
Realm realm = (Realm)var5.next();
aggregate = strategy.beforeAttempt(realm, token, aggregate);
if (realm.supports(token)) {
log.trace("Attempting to authenticate token [{}] using realm [{}]", token, realm);
AuthenticationInfo info = null;
Throwable t = null;
try {
info = realm.getAuthenticationInfo(token);
} catch (Throwable var11) {
t = var11;
if (log.isDebugEnabled()) {
String msg = "Realm [" + realm + "] threw an exception during a multi-realm authentication attempt:";
log.debug(msg, var11);
}
}
aggregate = strategy.afterAttempt(realm, token, info, aggregate, t);
} else {
log.debug("Realm [{}] does not support token {}.
Skipping realm.", realm, token);
}
}
aggregate = strategy.afterAllAttempts(token, aggregate);
return aggregate;
}

 shiro 多realm 认证的时候执行的源码

 通过迭代器遍历   遍历的时候会首先判断  supports token    默认是false 

 本身作用应该是来判断token  类型 然后区分验证是否执行  一般的  instance of  区分来判判断是否执行验证操作也可以实现针对   性验证

Realm  中重写supports  方法

@Override
public boolean supports(AuthenticationToken token) {
return token instanceof JWTToken;
}

   来决定是否继续执行下去他执行

验证成功！喜大普奔

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