package com.iailab.module.shasteel.util.oauth2;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.date.LocalDateTimeUtil;
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import cn.hutool.core.util.StrUtil;
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import com.iailab.framework.common.util.http.HttpUtils;
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import com.iailab.framework.security.core.util.SecurityFrameworkUtils;
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import java.time.LocalDateTime;
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import java.time.temporal.ChronoUnit;
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import java.util.*;
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/**
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* OAuth2 相关的工具类
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*
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* @author iailab
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*/
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public class OAuth2Utils {
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/**
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* 构建授权码模式下,重定向的 URI
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*
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* copy from Spring Security OAuth2 的 AuthorizationEndpoint 类的 getSuccessfulRedirect 方法
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*
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* @param redirectUri 重定向 URI
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* @param authorizationCode 授权码
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* @param state 状态
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* @return 授权码模式下的重定向 URI
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*/
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public static String buildAuthorizationCodeRedirectUri(String redirectUri, String authorizationCode, String state) {
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Map<String, String> query = new LinkedHashMap<>();
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query.put("code", authorizationCode);
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if (state != null) {
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query.put("state", state);
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}
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return HttpUtils.append(redirectUri, query, null, false);
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}
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/**
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* 构建简化模式下,重定向的 URI
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*
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* copy from Spring Security OAuth2 的 AuthorizationEndpoint 类的 appendAccessToken 方法
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*
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* @param redirectUri 重定向 URI
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* @param accessToken 访问令牌
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* @param state 状态
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* @param expireTime 过期时间
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* @param scopes 授权范围
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* @param additionalInformation 附加信息
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* @return 简化授权模式下的重定向 URI
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*/
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public static String buildImplicitRedirectUri(String redirectUri, String accessToken, String state, LocalDateTime expireTime,
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Collection<String> scopes, Map<String, Object> additionalInformation) {
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Map<String, Object> vars = new LinkedHashMap<String, Object>();
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Map<String, String> keys = new HashMap<String, String>();
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vars.put("access_token", accessToken);
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vars.put("token_type", SecurityFrameworkUtils.AUTHORIZATION_BEARER.toLowerCase());
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if (state != null) {
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vars.put("state", state);
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}
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if (expireTime != null) {
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vars.put("expires_in", getExpiresIn(expireTime));
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}
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if (CollUtil.isNotEmpty(scopes)) {
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vars.put("scope", buildScopeStr(scopes));
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}
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if (CollUtil.isNotEmpty(additionalInformation)) {
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for (String key : additionalInformation.keySet()) {
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Object value = additionalInformation.get(key);
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if (value != null) {
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keys.put("extra_" + key, key);
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vars.put("extra_" + key, value);
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}
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}
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}
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// Do not include the refresh token (even if there is one)
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return HttpUtils.append(redirectUri, vars, keys, true);
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}
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public static String buildUnsuccessfulRedirect(String redirectUri, String responseType, String state,
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String error, String description) {
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Map<String, String> query = new LinkedHashMap<String, String>();
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query.put("error", error);
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query.put("error_description", description);
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if (state != null) {
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query.put("state", state);
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}
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return HttpUtils.append(redirectUri, query, null, !responseType.contains("code"));
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}
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public static long getExpiresIn(LocalDateTime expireTime) {
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return LocalDateTimeUtil.between(LocalDateTime.now(), expireTime, ChronoUnit.SECONDS);
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}
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public static String buildScopeStr(Collection<String> scopes) {
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return CollUtil.join(scopes, " ");
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}
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public static List<String> buildScopes(String scope) {
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return StrUtil.split(scope, ' ');
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}
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}
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