Question

如果调用下载功能，请设置＆＃34; 授权＆＃34;在Http Header中，并调用第二个函数＆＃34; downloadTaskWithRequest ＆＃34;，但http标头还包括＆＃34; 授权＆＃34;选项，从代码中，我没有设置选项，如何删除＆＃34; 授权＆＃34;调用第二个函数之前的选项，谢谢！

- (void)download:(NSString *)api source:(NSString *)fileName thumb:(NSInteger)thumb success:(void (^)(UIImage *img))success failure:(void (^)(NSError *error))failure
{
    NSURLSessionDataTask *redirect = nil;

    NSUserDefaults *info = [NSUserDefaults standardUserDefaults];
    NSString *token = [info stringForKey:@"TOKEN"];
    NSString *tokenStr = [NSString stringWithFormat:@"Token %@", token];

    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration ephemeralSessionConfiguration];
    configuration.HTTPAdditionalHeaders = @{@"Accept": @"application/json",
                                            @"Content-type": @"application/json",
                                            @"Authorization": tokenStr
                                            };
    configuration.discretionary = YES;

    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

    NSString *filePath = nil;

    if (0 == thumb) {
        filePath = [NSString stringWithFormat:@"%s%@?filename=%@",SERVER_ADDR, api, fileName];
    }
    else{
        filePath = [NSString stringWithFormat:@"%s%@?filename=%@&thumb=%ld",SERVER_ADDR, api,fileName,(long)thumb];
    }


    NSURL *URL = [NSURL URLWithString:filePath];
    NSURLRequest *request = [NSURLRequest requestWithURL:URL];

    redirect = [manager dataTaskWithRequest:request
                          completionHandler:^(NSURLResponse *response, id responseObject, NSError *error){



                                  NSURLSessionConfiguration *downloadConfig = [NSURLSessionConfiguration ephemeralSessionConfiguration];
                                  downloadConfig.allowsCellularAccess = YES;
                                  AFURLSessionManager *download = [[AFURLSessionManager alloc] initWithSessionConfiguration:downloadConfig];

                                  //download.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/json"];

                                  NSURL *realUrl = [response valueForKey:@"URL"];
                                  NSMutableURLRequest *fileRequest = [NSMutableURLRequest requestWithURL:realUrl];


                                  NSURLSessionDownloadTask *downloadTask = [download downloadTaskWithRequest:fileRequest
                                                                                                    progress:nil
                                                                                                 destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
                                                                                                     NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
                                                                                                     return [documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]];
                                                                                                 }
                                                                                           completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
                                                                                               if (error) {
                                                                                                   NSLog(@"File downloaded error = %@",error);
                                                                                                   if (failure) {
                                                                                                       failure(error);
                                                                                                   }
                                                                                               }
                                                                                               else{
                                                                                                   NSLog(@"File downloaded to: %@", filePath);
                                                                                                   UIImage *image = [UIImage imageWithData:[NSData dataWithContentsOfURL:filePath]];
                                                                                                   if (success) {
                                                                                                       success(image);
                                                                                                   }
                                                                                               }
                                                                                           }];
                                  [downloadTask resume];


                          }];
    [redirect resume];
}

Answer 1

我不知道我是否理解正确，但是，如果您想知道为什么downloadConfig有Authorization标题，那么您可以尝试通过替换{{1 }}属性就像使用HTTPAdditionalHeaders一样（无论是通过获取当前标头并删除configuration字段，还是将所有标头设置为Authorization）。

如何删除AFNetworking中的http标头选项？

1 个答案: