SDWebImage and setting custom HTTP headers?

Question

I´ve just changed my code for caching images away from EGOImageCache to SDWebView. Unfortunately i don´t know how to set custom HTTP headers as i have to send authentification to be able to fetch images. It was easy done with EGOImageCache as i´ve extended the NSURLRequest at the appropriate place. But i don´t know how to do that with the SDWebView.framework. I see the headers and i´ve found methods in SDWebImageDownloader.h containing

    /**  * Set a value for a HTTP header to be appended to each download HTTP request.  *  * @param value The value for the header field. Use `nil` value to remove the header.  * @param field The name of the header field to set.  */ - (void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field;  /**  * Returns the value of the specified HTTP header field.  *  * @return The value associated with the header field field, or `nil` if there is no corresponding header field.  */ - (NSString *)valueForHTTPHeaderField:(NSString *)field; 

It seems that the lib does support HTTP headers. But as i use UIImageView+WebCache.h i can´t see there an option for setting the headers. In my code i call

[self.imageView setImageWithURL:[NSURL URLWithString:themeImageURL] placeholderImage:[UIImage imageNamed:@"placeholder.png"]]; 

Can anybody tell me how to set HTTP headers?

Answer 1

I had the same problem, and I tried to make:

SDWebImageDownloader *manager = [SDWebImageDownloader sharedDownloader]; [manager setValue:username forHTTPHeaderField:@"X-Oauth-Username"]; 

But the header were not send. After some tries, I came across the problem, SDWebImageDownloader at sharedDownloader makes a new instance of SDWebImageDownloader, so when you put the header at that instance, the instance that really downloads the image don't has the header.

I've solved making this:

SDWebImageDownloader *manager = [SDWebImageManager sharedManager].imageDownloader; [manager setValue:username forHTTPHeaderField:@"X-Oauth-Username"];