Flickr API iOS应用“POST尺寸过大！” [英] Flickr API iOS app "POST size too large!"

问题描述

我正在尝试使用API​​将iOS应用中的照片发送到Flickr。我已成功获得授权，并准备好令牌。我通过HTTP POST发送照片数据，并遵循格式指南。

http://www.flickr.com/services/api/upload.example.html

<但是我从API返回的回复是......

 < err code =93msg = POST尺寸太大了！尝试更小的东西，mmkay？ /> 
  

我读过它可能与边界有关。关于@samrowlands对这篇文章的评论，我加倍检查了一下。 http://www.flickr.com/groups/api/discuss/72157605534260892/

任何帮助都会很棒。谢谢！

  UIImage * image = [UIImage imageNamed：@photo.jpg]; 
 NSData * imageData = UIImageJPEGRepresentation（image，0.9）; 
 
 NSMutableURLRequest * request = [[[NSMutableURLRequest alloc] init] autorelease]; 
 [请求setURL：[NSURL URLWithString：@http://api.flickr.com/services/upload/]]; 
 [请求setHTTPMethod：@POST]; 
 
 NSString * boundary = [NSString stringWithString：@--------------------------- 7d44e178b0434]; 
 
 [请求addValue：[NSString stringWithFormat：@multipart / form-data; boundary =％@，boundary] forHTTPHeaderField：@Content-Type：]; 
 
 NSMutableData * body = [NSMutableData data]; 
 [body appendData：[[NSString stringWithFormat：@\\\\ n  - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Disposition：form-data; name = \api_key \\\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，apiKey] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithFormat：@ - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Disposition：form-data; name = \auth_token\\\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，apiToken] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithFormat：@ - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Disposition：form-data; name = \api_sig \\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 
 NSString * uploadSig = [self md5HexDigest：[NSString stringWithFormat：@％@ api_key％@ auth_token％@，apiSecret，apiKey，apiToken]]; 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，uploadSig] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithString：@Content-Disposition：form-data; name = \photo \; filename = \photo.jpg \\\\\ n ] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Type：image / jpeg\r\\\
\r\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：imageData]; 
 [body appendData：[[NSString stringWithFormat：@\ r \ n  - ％@  -  \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [请求setHTTPBody：body]; 
  

解决方案

我通过对内容进行更改来实现此目的-Type（无冒号）并在sig之后和照片之前添加边界。感谢您的代码 - 希望这会有所帮助。

  NSString * uploadSig = [[NSString stringWithFormat：@％@ api_key％@ auth_token ％@，secret，api_key，auth_token] MD5]; 
 
 NSMutableURLRequest * request = [[[NSMutableURLRequest alloc] init] autorelease]; 
 NSString * url = [NSString stringWithFormat：@http://api.flickr.com/services/upload/]; 
 [请求setURL：[NSURL URLWithString：url]]; 
 [请求setHTTPMethod：@POST]; 
 
 
 NSString * boundary = [NSString stringWithString：@--------------------------- 7d44e178b0434 ]; 
 
 [请求addValue：[NSString stringWithFormat：@multipart / form-data; boundary =％@，boundary] forHTTPHeaderField：@Content-Type]; 
 
 NSMutableData * body = [NSMutableData data]; 
 [body appendData：[[NSString stringWithFormat：@\\\\ n  - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[@Content-Disposition：form-data; name = \api_key\\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]] ; 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，api_key] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithFormat：@ - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[@Content-Disposition：form-data; name = \auth_token\\\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]] ; 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，auth_token] dataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[[NSString stringWithFormat：@ - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Disposition：form-data; name = \api_sig \\\\\\\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithFormat：@％@ \\\\ n，uploadSig] dataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：[[NSString stringWithFormat：@ - ％@ \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[[NSString stringWithString：@Content-Disposition：form-data; name = \photo \; filename = \photo.jpg \\\\\ n ] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [body appendData：[@Content-Type：image / jpeg\r\\\
\r\ ndataUsingEncoding：NSUTF8StringEncoding]]; 
 
 [body appendData：imageData]; 
 [body appendData：[[NSString stringWithFormat：@\ r \ n  - ％@  -  \\\\ n，border] dataUsingEncoding：NSUTF8StringEncoding]]; 
 [请求setHTTPBody：body]; 
  

I am trying to send a photo from an iOS app to Flickr using the API. I have successfully got the authorisation working and have a token ready to use. I am sending the photo data over a HTTP POST and am following the formatting guide here.

http://www.flickr.com/services/api/upload.example.html

But the response I get back from the API is...

<err code="93" msg="POST size too large! Try something smaller, mmkay?" />

I have read that it may have something to do with the boundary's. I've doubled checked regarding @samrowlands comments on this post. http://www.flickr.com/groups/api/discuss/72157605534260892/

Any help would be great. Thanks!

UIImage *image = [UIImage imageNamed:@"photo.jpg"];
NSData *imageData = UIImageJPEGRepresentation(image, 0.9);

NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
[request setURL:[NSURL URLWithString:@"http://api.flickr.com/services/upload/"]];
[request setHTTPMethod:@"POST"];

NSString *boundary = [NSString stringWithString:@"---------------------------7d44e178b0434"];

[request addValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary] forHTTPHeaderField: @"Content-Type:"];

NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"api_key\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[[NSString stringWithFormat:@"%@\r\n", apiKey] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"auth_token\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[[NSString stringWithFormat:@"%@\r\n", apiToken] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"api_sig\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

NSString *uploadSig = [self md5HexDigest:[NSString stringWithFormat:@"%@api_key%@auth_token%@", apiSecret, apiKey, apiToken]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", uploadSig] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"photo\"; filename=\"photo.jpg\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];

解决方案

I got this to work by making the change to Content-Type(no colon) and adding a boundary after the sig and before the photo. Thanks for the code - hope this helps.

NSString *uploadSig = [[NSString stringWithFormat:@"%@api_key%@auth_token%@", secret, api_key, auth_token] MD5];

NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
NSString *url = [NSString stringWithFormat:@"http://api.flickr.com/services/upload/"];
[request setURL:[NSURL URLWithString:url]];
[request setHTTPMethod:@"POST"];


NSString *boundary = [NSString stringWithString:@"---------------------------7d44e178b0434"];

[request addValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary] forHTTPHeaderField: @"Content-Type"];

NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[@"Content-Disposition: form-data; name=\"api_key\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", api_key] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[@"Content-Disposition: form-data; name=\"auth_token\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];    
[body appendData:[[NSString stringWithFormat:@"%@\r\n", auth_token] dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"api_sig\"\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", uploadSig] dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"photo\"; filename=\"photo.jpg\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];

这篇关于Flickr API iOS应用“POST尺寸过大！”的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！