Question

我在 AFHTTPSessionManager 上使用了 setTaskWillPerformHTTPRedirectionBlock ，但在重定向后，我总是遇到401错误，未提供身份验证凭据。我已经尝试在没有重定向的情况下向端点发送请求，它可以工作。但是通过重定向，似乎重定向后标头丢失了。我也尝试在 AFHTTPSessionManager 块中添加标题，但仍然没有运气。

[self.sessionManager.requestSerializer setValue:[NSString stringWithFormat:@"Token %@", authToken] forHTTPHeaderField:@"Authorization"];
[self.sessionManager.requestSerializer setValue:self.userAgentInfo forHTTPHeaderField:@"User-Agent"];
[self.sessionManager setTaskWillPerformHTTPRedirectionBlock:^NSURLRequest * _Nonnull(NSURLSession * _Nonnull session, NSURLSessionTask * _Nonnull task, NSURLResponse * _Nonnull response, NSURLRequest * _Nonnull request) {
    NSLog(@"%@", request.URL);
    return request; 
}];


[self.sessionManager GET:[NSString stringWithFormat:@"%@path/", self.host]
                parameters:nil
                  progress:nil
                   success:^(NSURLSessionTask *task, id responseObject) {

Answer 1

您正在使用操作管理器的代码建议，因此您只需设置凭据属性：

self.operationManager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:...];
self.operationManager.credential = [[NSURLCredential alloc] initWithUser:USERNAME password:PASSWORD persistence:NSURLCredentialPersistencePermanent];

Answer 2

经过几个小时的努力，找到了解决方案：

[self.sessionManager.requestSerializer setValue:[NSString stringWithFormat:@"Token %@", authToken] forHTTPHeaderField:@"Authorization"];
[self.sessionManager.requestSerializer setValue:self.userAgentInfo forHTTPHeaderField:@"User-Agent"];
[self.sessionManager setTaskWillPerformHTTPRedirectionBlock:^NSURLRequest * _Nonnull(NSURLSession * _Nonnull session, NSURLSessionTask * _Nonnull task, NSURLResponse * _Nonnull response, NSURLRequest * _Nonnull request) {
    NSLog(@"%@", request.URL);
    NSMutableURLRequest *newRequest = [NSMutableURLRequest requestWithURL:request.URL];
    [newRequest setValue:[NSString stringWithFormat:@"Token %@", authToken] forHTTPHeaderField:@"Authorization"];
    [newRequest setValue:self.userAgentInfo forHTTPHeaderField:@"User-Agent"];
    return newRequest;
}];

[self.sessionManager GET:[NSString stringWithFormat:@"%@paths/", self.host]
                parameters:nil
                  progress:nil
                   success:^(NSURLSessionTask *task, id responseObject) {

Answer 3

将原始请求的所有http请求标头复制到setTaskWillPerformHTTPRedirectBlock中的新/当前请求中，这对我来说很有用。

在Swift中看起来像那样：

    // copy original request headers to current request when following HTTP redirect
    manager.setTaskWillPerformHTTPRedirectionBlock { (session, task, response, request) -> URLRequest? in
        var newRequest = request
        task.originalRequest?.allHTTPHeaderFields?.forEach({ (arg) in
            let (key, value) = arg
            newRequest.setValue(value, forHTTPHeaderField: key)
        })
        return newRequest
    }

AFNetworking 3.0重定向丢失标头

3 个答案: