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package cn.ocoop.shiro.authc.realm;

import cn.ocoop.shiro.ApiToken;
import cn.ocoop.shiro.authc.realm.resolves.MobileCaptchaSubjectResolve;
import cn.ocoop.shiro.authc.realm.resolves.SubjectResolve;
import cn.ocoop.shiro.subject.User;
import cn.ocoop.spring.App;
import org.apache.shiro.authc.*;
import org.apache.shiro.util.SimpleByteSource;

/**
 * Created by liolay on 2016/12/6.
 */
public class ApiAuthorizingRealm extends AbstractAuthorizingRealm {

    protected SubjectResolve getSubjectResolve() {
        return App.getBean(MobileCaptchaSubjectResolve.class);
    }

    @Override
    protected void assertCredentialsMatch(AuthenticationToken token, AuthenticationInfo info) throws AuthenticationException {
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        MobileCaptchaSubjectResolve subjectResolve = (MobileCaptchaSubjectResolve) getSubjectResolve();
        User user = subjectResolve.findLoginUser(token);
        if (user == null) {//没找到帐号
            user = subjectResolve.unknownAccountProcess(token);
        }
        if (user == null) {//没找到帐号
            throw new UnknownAccountException();
        }

        //交给AuthenticatingRealm使用CredentialsMatcher进行密码匹配，如果觉得人家的不好可以自定义实现
        SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo(
                user.getUsername(), //用户名
                user.getPassword(), //密码
                new SimpleByteSource(user.getSalt()),
                getName()  //realm name
        );
        return authenticationInfo;
    }

    @Override
    public boolean supports(AuthenticationToken token) {
        return super.supports(token) && ApiToken.class.isAssignableFrom(token.getClass());
    }
}