Sending base64 from Objective-C app to PHP server

Question

My current Objective-C code

UIImage *image = self.selectedImage;
NSData *data = [UIImagePNGRepresentation(self.selectedImage) 
    base64EncodedDataWithOptions:NSDataBase64Encoding64CharacterLineLength];

NSString *byteArray  = [NSString stringWithUTF8String:[data bytes]];
NSMutableURLRequest *request =
[[NSMutableURLRequest alloc] initWithURL:
[NSURL URLWithString:@"http://API URL IS HERE "]];

[request setHTTPMethod:@"POST"];

NSString *postString = [NSString stringWithFormat:@"id_user=%ld&id_from_user=%@&content=%@&type=photo",(long)_userIdTo,[[NSUserDefaults standardUserDefaults] valueForKey:@"id_user"],byteArray];
NSLog(@"strin %@", postString);

[request setHTTPBody:[postString
                      dataUsingEncoding:NSUTF8StringEncoding]];

send image's byte-code to the server in the base64 form.

If I try to paste the byte-code in Chrome’s plugin for API (Google rest advanced) in the browser, I get an image. But if I try to send it through the app, I had a black square, or nothing, instead the image.

Any ideas?

dchesterton · Accepted Answer · 2014-12-16 23:43:23Z

1

It could be the NSDataBase64Encoding64CharacterLineLength option adding line breaks which I'm not sure PHP supports. Try passing 0 instead and see if PHP can decode the string.

answered Dec 16, 2014 at 23:43

dchesterton

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