[英]How to handle set-cookie Header in SignalR java Client?
I am using SignalR
java client in android and .net core3
as my webservice.我在 android 和.net core3
使用SignalR
java 客户端作为我的.net core3
。 I configured a set-cookie header in my responses from webservice to prevent DDOS attacks
, but now I can't connect to my Hub because there is no option in SignalR
java client to Handle set-cookie header .我在来自 webservice 的响应中配置了一个 set-cookie 标头以防止DDOS attacks
,但现在我无法连接到我的集线器,因为SignalR
java 客户端中没有选项来处理 set-cookie header 。 How can I fix this problem?我该如何解决这个问题?
Well after alot of search I came to this :经过大量搜索,我来到了这个:
hubConnection = HubConnectionBuilder.create(HUB_URL).withHandshakeResponseTimeout(60000).withHeaders(mapHeader).setHttpClientBuilderCallback(param1 -> {
param1.addInterceptor(new ApiClient.ReceivedCookiesInterceptor(G.context));
param1.addInterceptor(new ApiClient.AddCookiesInterceptor(G.context));
}).withTransport(TransportEnum.ALL).withAccessTokenProvider(Single.defer(() -> Single.just("An Access Token"))).build();
(setHttpClientBuilderCallback) will give me a configuration builder which I can use to handle setcookie
from response . (setHttpClientBuilderCallback) 会给我一个配置生成器,我可以用它来处理来自 response 的setcookie
。
this is my ReceivedCookiesInterceptor
:这是我的ReceivedCookiesInterceptor
:
public static class ReceivedCookiesInterceptor implements Interceptor {
private Context context;
public ReceivedCookiesInterceptor(Context context) {
this.context = context;
}
@Override
public Response intercept(Chain chain) throws IOException {
Response originalResponse = chain.proceed(chain.request());
if (!originalResponse.headers("Set-Cookie").isEmpty()) {
Log.i("HubLogin", "intercept: "+originalResponse.headers("Set-Cookie"));
HashSet<String> cookies = (HashSet<String>) PreferenceManager.getDefaultSharedPreferences(context).getStringSet("PREF_COOKIES", new HashSet<String>());
for (String header : originalResponse.headers("Set-Cookie")) {
cookies.add(header);
}
SharedPreferences.Editor memes = PreferenceManager.getDefaultSharedPreferences(context).edit();
memes.putStringSet("PREF_COOKIES", cookies).apply();
memes.apply();
}
return originalResponse;
}
}
and this is my AddCookiesInterceptor
:这是我的AddCookiesInterceptor
:
public static class AddCookiesInterceptor implements Interceptor {
public static final String PREF_COOKIES = "PREF_COOKIES";
private Context context;
public AddCookiesInterceptor(Context context ) {
this.context = context;
}
@Override
public Response intercept(Interceptor.Chain chain) throws IOException {
Request.Builder builder = chain.request().newBuilder();
HashSet<String> preferences = (HashSet<String>) PreferenceManager.getDefaultSharedPreferences(context).getStringSet(PREF_COOKIES, new HashSet<>());
for (String cookie : preferences) {
builder.addHeader("Cookie", cookie);
}
return chain.proceed(builder.build());
}
}
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