Post Body

gistfile1.m

- (void)buildMultipartFormDataPostBody
{
#if DEBUG_FORM_DATA_REQUEST
	[self addToDebugBody:@"\r\n==== Building a multipart/form-data body ====\r\n"];
#endif
	
	NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding([self stringEncoding]));
	
	// Set your own boundary string only if really obsessive. We don't bother to check if post data contains the boundary, since it's pretty unlikely that it does.
	NSString *stringBoundary = @"0xKhTmLbOuNdArY";
	
	[self addRequestHeader:@"Content-Type" value:[NSString stringWithFormat:@"multipart/form-data; charset=%@; boundary=%@", charset, stringBoundary]];
	
	[self appendPostString:[NSString stringWithFormat:@"--%@\r\n",stringBoundary]];
	
	// Adds post data
	NSString *endItemBoundary = [NSString stringWithFormat:@"\r\n--%@\r\n",stringBoundary];
	NSUInteger i=0;
	for (NSDictionary *val in [self postData]) {
		[self appendPostString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",[val objectForKey:@"key"]]];
		[self appendPostString:[val objectForKey:@"value"]];
		i++;
		if (i != [[self postData] count] || [[self fileData] count] > 0) { //Only add the boundary if this is not the last item in the post body
			[self appendPostString:endItemBoundary];
		}
	}
	
	// Adds files to upload
	i=0;
	for (NSDictionary *val in [self fileData]) {

		[self appendPostString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n", [val objectForKey:@"key"], [val objectForKey:@"fileName"]]];
		[self appendPostString:[NSString stringWithFormat:@"Content-Type: %@\r\n\r\n", [val objectForKey:@"contentType"]]];
		
		id data = [val objectForKey:@"data"];
		if ([data isKindOfClass:[NSString class]]) {
			[self appendPostDataFromFile:data];
		} else {
			[self appendPostData:data];
		}
		i++;
		// Only add the boundary if this is not the last item in the post body
		if (i != [[self fileData] count]) { 
			[self appendPostString:endItemBoundary];
		}
	}
	
	[self appendPostString:[NSString stringWithFormat:@"\r\n--%@--\r\n",stringBoundary]];
	
#if DEBUG_FORM_DATA_REQUEST
	[self addToDebugBody:@"==== End of multipart/form-data body ====\r\n"];
#endif
}

- (void)buildURLEncodedPostBody
{

	// We can't post binary data using application/x-www-form-urlencoded
	if ([[self fileData] count] > 0) {
		[self setPostFormat:ASIMultipartFormDataPostFormat];
		[self buildMultipartFormDataPostBody];
		return;
	}
	
#if DEBUG_FORM_DATA_REQUEST
	[self addToDebugBody:@"\r\n==== Building an application/x-www-form-urlencoded body ====\r\n"]; 
#endif
	
	
	NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding([self stringEncoding]));

	[self addRequestHeader:@"Content-Type" value:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@",charset]];

	
	NSUInteger i=0;
	NSUInteger count = [[self postData] count]-1;
	for (NSDictionary *val in [self postData]) {
        NSString *data = [NSString stringWithFormat:@"%@=%@%@", [self encodeURL:[val objectForKey:@"key"]], [self encodeURL:[val objectForKey:@"value"]],(i<count ?  @"&" : @"")]; 
		[self appendPostString:data];
		i++;
	}
#if DEBUG_FORM_DATA_REQUEST
	[self addToDebugBody:@"\r\n==== End of application/x-www-form-urlencoded body ====\r\n"]; 
#endif
}