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//
// Copyright (c) 2010, 2011 TumblrKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#import "NSDictionary+TumblrKit.h"
#import "NSString+TumblrKit.h"
@implementation NSDictionary (TumblrKit)
- (NSData *)multipartMIMEData
{
NSString *format = @"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n%@\r\n";
NSMutableData *result = [NSMutableData data];
NSMutableDictionary *dict_ = [self mutableCopy];
// Hack: it seems the order we send the data in the HTTP post body matter
// in the Tumblr API. We'll remove the "type" object from the dictionary
// we copied and append its value as first thing, then we'll iterate the
// remaining keys. The impressive part is it worked directly when TumblrKit
// was compiled in 32 bit mode (where "type" was the first item to be encoded)
// but didn't work in 64 bit mode. It seems the architecture affects the
// sort of the keys, but we should not rely on that anyway (nor should the
// Tumblr API engineers :-)
id value = [dict_ objectForKey:@"type"];
[dict_ removeObjectForKey:@"type"];
[result appendData:[[NSString stringWithFormat:format, [NSString MIMEBoundary], @"type", value] dataUsingEncoding:NSUTF8StringEncoding]];
for (NSString *key in dict_) {
if ([key isEqualToString:@"data"]) {
[result appendData:[[NSString stringWithFormat:@"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n", [NSString MIMEBoundary], key] dataUsingEncoding:NSUTF8StringEncoding]];
[result appendData:[dict_ objectForKey:key]];
[result appendData:[@"\n" dataUsingEncoding:NSUTF8StringEncoding]];
}
else {
[result appendData:[[NSString stringWithFormat:format, [NSString MIMEBoundary], key, [dict_ objectForKey:key]] dataUsingEncoding:NSUTF8StringEncoding]];
}
}
[result appendData:[[NSString stringWithFormat:@"--%@--\r\n", [NSString MIMEBoundary]] dataUsingEncoding:NSUTF8StringEncoding]];
return result;
}
@end