org.aoju.bus.oauth.provider.StackOverflowProvider Maven / Gradle / Ivy

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package org.aoju.bus.oauth.provider;

import com.alibaba.fastjson.JSONObject;
import org.aoju.bus.cache.metric.ExtendCache;
import org.aoju.bus.core.exception.AuthorizedException;
import org.aoju.bus.core.lang.Charset;
import org.aoju.bus.core.lang.Normal;
import org.aoju.bus.core.lang.Symbol;
import org.aoju.bus.core.toolkit.UriKit;
import org.aoju.bus.http.Httpx;
import org.aoju.bus.oauth.Builder;
import org.aoju.bus.oauth.Context;
import org.aoju.bus.oauth.Registry;
import org.aoju.bus.oauth.magic.AccToken;
import org.aoju.bus.oauth.magic.Callback;
import org.aoju.bus.oauth.magic.Property;
import org.aoju.bus.oauth.metric.OauthScope;

import java.util.HashMap;
import java.util.Map;

/**
 * Stack Overflow登录
 *
 * @author Kimi Liu
 * @since Java 17+
 */
public class StackOverflowProvider extends AbstractProvider {

    public StackOverflowProvider(Context context) {
        super(context, Registry.STACKOVERFLOW);
    }

    public StackOverflowProvider(Context context, ExtendCache extendCache) {
        super(context, Registry.STACKOVERFLOW, extendCache);
    }

    @Override
    public AccToken getAccessToken(Callback callback) {
        String accessTokenUrl = accessTokenUrl(callback.getCode());
        Map paramMap = new HashMap<>();
        UriKit.decodeVal(accessTokenUrl, Charset.DEFAULT_UTF_8).forEach(paramMap::put);
        String response = Httpx.post(source.accessToken(), paramMap);
        JSONObject object = JSONObject.parseObject(response);

        this.checkResponse(object);

        return AccToken.builder()
                .accessToken(object.getString("access_token"))
                .expireIn(object.getIntValue("expires"))
                .build();
    }

    @Override
    public Property getUserInfo(AccToken accToken) {
        String userInfoUrl = Builder.fromUrl(this.source.userInfo())
                .queryParam("access_token", accToken.getAccessToken())
                .queryParam("site", "stackoverflow")
                .queryParam("key", this.context.getOverflowKey())
                .build();
        JSONObject jsonObject = JSONObject.parseObject(Httpx.get(userInfoUrl));
        this.checkResponse(jsonObject);
        JSONObject object = jsonObject.getJSONArray("items").getJSONObject(0);

        return Property.builder()
                .rawJson(object)
                .uuid(object.getString("user_id"))
                .avatar(object.getString("profile_image"))
                .location(object.getString("location"))
                .nickname(object.getString("display_name"))
                .blog(object.getString("website_url"))
                .gender(Normal.Gender.UNKNOWN)
                .token(accToken)
                .source(source.toString())
                .build();
    }

    /**
     * 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
     */
    @Override
    public String authorize(String state) {
        return Builder.fromUrl(super.authorize(state))
                .queryParam("scope", this.getScopes(Symbol.COMMA, false, getScopes(true, OauthScope.StackOverflow.values())))
                .build();
    }

    /**
     * 检查响应内容是否正确
     *
     * @param object 请求响应内容
     */
    private void checkResponse(JSONObject object) {
        if (object.containsKey("error")) {
            throw new AuthorizedException(object.getString("error_description"));
        }
    }

}