14

我阅读了有关请求拦截器的信息,但不知道如何真正使用它们来获取 cookie ......我正在从 nodejs 发送 cookie ......

res.cookie('userid', user._id, { maxAge: 86400000, signed: true, path: '/' });

在我的 android 客户端中 - 我已经为我的 RestApiManager 设置了这个

public class RestApiManager {
  private static final String API_URL = "ip: port";

    private static final RestAdapter REST_ADAPTER = new RestAdapter.Builder()
            .setEndpoint(API_URL)
            .setLogLevel(RestAdapter.LogLevel.FULL)
            .build();

    //Call interface
    public interface AsynchronousApi {
  //Login User
        @FormUrlEncoded
        @POST("/login")
        public void loginUser(
                @Field("loginName") String loginName,
                @Field("password") String password,
                Callback<UserResponse> callback);
//Profile Picture
        @Multipart
        @POST("/profilePicture")
        public void uploadProfilePicture(
                @Part("photo") TypedFile photo,
                @Part("userId") String userId,
                Callback<UserResponse> callback); //success thumbnail to picasso

    }
    //create adapter
    private static final AsynchronousApi ASYNCHRONOUS_API = REST_ADAPTER.create(AsynchronousApi.class);

    //call service to initiate
    public static AsynchronousApi getAsyncApi() {
        return ASYNCHRONOUS_API;
    }
}

单独的 cookie 类:

    public class ApiCookie implements RequestInterceptor{
    // cookie use
    private String sessionId;

    public ApiCookie() {

    }

    //COOKIE BELOW
    public void setSessionId(String sessionId) {
        this.sessionId = sessionId;
    }

    public void clearSessionId() {
        sessionId = null;
    }


    @Override
    public void intercept(RequestFacade requestFacade) {
        setSessionId();
    }
}

试图弄清楚如何获取 cookie 并能够在将来的请求中发送它,所以我不需要包含 userId 字段?

4

4 回答 4

10

我的应用程序中有类似的情况。此解决方案适用于我使用 Retrofit 检索 cookie。 MyCookieManager.java

import java.io.IOException;
import java.net.CookieManager;
import java.net.URI;
import java.util.List;
import java.util.Map;

class MyCookieManager extends CookieManager {

    @Override
    public void put(URI uri, Map<String, List<String>> stringListMap) throws IOException {
        super.put(uri, stringListMap);
        if (stringListMap != null && stringListMap.get("Set-Cookie") != null)
            for (String string : stringListMap.get("Set-Cookie")) {
                if (string.contains("userid")) {
                    //save your cookie here
                }
            }
    }
}

以下是如何使用 RequestInterceptor 为将来的请求设置 cookie:

 MyCookieManager myCookieManager = new MyCookieManager();
            CookieHandler.setDefault(myCookieManager);
 private static final RestAdapter REST_ADAPTER = new RestAdapter.Builder()
            .setEndpoint(API_URL)
            .setLogLevel(RestAdapter.LogLevel.FULL)
                    .setRequestInterceptor(new RequestInterceptor() {
                        @Override
                        public void intercept(RequestFacade requestFacade) {
                            String userId = ;//get your saved userid here
                            if (userId != null)
                                requestFacade.addHeader("Cookie", userId);
                        }
                    })
            .build();
于 2014-09-15T15:38:15.340 回答
1

使用 lib 的简单解决方案。 compile 'com.squareup.okhttp3:okhttp-urlconnection:3.2.0'.

JavaNetCookieJar jncj = new JavaNetCookieJar(CookieHandler.getDefault()); OkHttpClient.Builder().cookieJar(jncj).build();

于 2016-06-04T17:44:15.903 回答
0

我在 Kotlin 中创建了拦截器来检索 cookie(仅过滤掉 http 的 cookie)并在每个请求中发送标头,直到用户注销(并使用 clearCookie() 方法)

class CookiesInterceptor: Interceptor {

    companion object {
        const val COOKIE_KEY = "Cookie"
        const val SET_COOKIE_KEY = "Set-Cookie"
    }

    fun clearCookie() {
        cookie = null
    }

    private var cookie: String? = null

    override fun intercept(chain: Interceptor.Chain): Response {
        val request = chain.request()
        val requestBuilder = request.newBuilder()
        cookie?.let { requestBuilder.addHeader(COOKIE_KEY, it) }

        val response = chain.proceed(requestBuilder.build())
        response.headers()
                .toMultimap()[SET_COOKIE_KEY]
                ?.filter { !it.contains("HttpOnly") }
                ?.getOrNull(0)
                ?.also {
                    cookie = it
                }

        return response
    }

}
于 2018-08-03T09:45:13.000 回答
0

@Rafolos您的回答救了我,它完美而干净。您只需确保对所有后续请求使用相同的拦截器对象,否则如果您为每个调用实例化一个新的 CookiesInterceptor,则 cookie 将为空。

我有一个具有此属性的 RetrofitProvider 对象:

private val cookiesInterceptor: CookiesInterceptor by lazy {
    CookiesInterceptor()
}

然后我像这样使用它:

private fun provideOkHttpClient(): OkHttpClient {
    val httpClient = OkHttpClient.Builder()

    httpClient.addInterceptor(this.cookiesInterceptor)
    // add some other interceptors

    return httpClient.build()
}

它就像一个魅力。谢谢!

于 2018-10-15T09:29:10.727 回答