88 lines
3.4 KiB
Java
88 lines
3.4 KiB
Java
package me.zhyd.oauth.utils;
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import me.zhyd.oauth.config.AuthConfig;
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import me.zhyd.oauth.config.AuthSource;
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import me.zhyd.oauth.exception.AuthException;
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import me.zhyd.oauth.model.AuthResponseStatus;
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/**
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* 授权配置类的校验器
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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 AuthChecker {
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/**
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* 是否支持第三方登录
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*
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* @param config config
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* @param source source
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* @return true or false
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*/
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public static boolean isSupportedAuth(AuthConfig config, AuthSource source) {
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boolean isSupported = StringUtils.isNotEmpty(config.getClientId()) && StringUtils.isNotEmpty(config.getClientSecret()) && StringUtils.isNotEmpty(config.getRedirectUri());
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if (isSupported && AuthSource.ALIPAY == source) {
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isSupported = StringUtils.isNotEmpty(config.getAlipayPublicKey());
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}
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if (isSupported && AuthSource.STACK_OVERFLOW == source) {
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isSupported = StringUtils.isNotEmpty(config.getStackOverflowKey());
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}
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return isSupported;
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}
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/**
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* 检查配置合法性。针对部分平台, 对redirect uri有特定要求。一般来说redirect uri都是http://,而对于facebook平台, redirect uri 必须是https的链接
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*
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* @param config config
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* @param source source
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*/
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public static void checkConfig(AuthConfig config, AuthSource source) {
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String redirectUri = config.getRedirectUri();
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if (!GlobalAuthUtil.isHttpProtocol(redirectUri) && !GlobalAuthUtil.isHttpsProtocol(redirectUri)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_REDIRECT_URI);
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}
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// facebook的回调地址必须为https的链接
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if (AuthSource.FACEBOOK == source && !GlobalAuthUtil.isHttpsProtocol(redirectUri)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_REDIRECT_URI);
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}
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// 支付宝在创建回调地址时,不允许使用localhost或者127.0.0.1
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if (AuthSource.ALIPAY == source && GlobalAuthUtil.isLocalHost(redirectUri)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_REDIRECT_URI);
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}
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}
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/**
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* 校验回调传回的code
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*
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* @param code 回调时传回的code
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*/
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public static void checkCode(String code) {
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if (StringUtils.isEmpty(code)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_CODE);
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}
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}
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/**
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* 校验state的合法性防止被CSRF
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*
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* @param newState 新的state,一般为回调时传回的state(可能被篡改)
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* @param originalState 原始的state,发起授权时向第三方平台传递的state
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*/
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public static void checkState(String newState, String originalState) {
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// 如果原始state为空,表示当前平台未使用state
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if (StringUtils.isEmpty(originalState)) {
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return;
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}
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// 如果授权之前使用了state,但是回调时未返回state,则表示当前请求为非法的请求,可能正在被CSRF攻击
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if (StringUtils.isEmpty(newState)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_REQUEST);
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}
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// 如果授权前后的state不一致,则表示当前请求为非法的请求,新的state可能为伪造
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if (!newState.equals(originalState)) {
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throw new AuthException(AuthResponseStatus.ILLEGAL_REQUEST);
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}
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}
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}
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