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gist: 141129 Download_button fork
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#import "Twitter.h"
#import "StringUtil.h"
 
#define NETWORK_TIMEOUT 20.0
 
@implementation Twitter
 
@synthesize buf;
 
- (void)dealloc
{
	[connection release];
	[buf release];
	[super dealloc];
}
 
- (void)post:(NSString*)options {
//    NSString *username = [[options componentsSeparatedByString:@"::"] objectAtIndex:0];
//    NSString *password = [[options componentsSeparatedByString:@"::"] objectAtIndex:1];
	[connection release];
	[buf release];
 
    NSString *URL = (NSString*)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)@"http://twitter.com/statuses/update.json", (CFStringRef)@"%", NULL, kCFStringEncodingUTF8);
    [URL autorelease];
	NSMutableURLRequest* req = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:URL]
													cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
													timeoutInterval:NETWORK_TIMEOUT];
    [req setHTTPMethod:@"POST"];
    [req setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
    
	NSString *username = [[NSUserDefaults standardUserDefaults] stringForKey:@"dirs"];
	NSString *password = [[NSUserDefaults standardUserDefaults] stringForKey:@"xxx"];
    
    NSString* auth = [NSString stringWithFormat:@"%@:%@", username, password];
    NSString* basicauth = [NSString stringWithFormat:@"Basic %@", [NSString base64encode:auth]];
    [req setValue:basicauth forHTTPHeaderField:@"Authorization"];
    
	NSString *body = [NSString stringWithFormat:@"status=%@&source=iWake",
					  @"i just wake up"];
 
    int contentLength = [body lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
    [req setValue:[NSString stringWithFormat:@"%d", contentLength] forHTTPHeaderField:@"Content-Length"];
    [req setHTTPBody:[NSData dataWithBytes:[body UTF8String] length:contentLength]];
    
	buf = [[NSMutableData data] retain];
	connection = [[NSURLConnection alloc] initWithRequest:req delegate:self];
 
}
 
+ (void)update:(NSString*)options forWebView:(UIWebView*)webView {
	[self post:options];
	alert(@"a");
}
 
- (void)connection:(NSURLConnection *)aConnection didReceiveResponse:(NSURLResponse *)aResponse
{
    NSHTTPURLResponse *resp = (NSHTTPURLResponse*)aResponse;
    if (resp) {
        alert(@"Response: %d", resp.statusCode);
    }
	[buf setLength:0];
}
 
- (void)connection:(NSURLConnection *)aConn didReceiveData:(NSData *)data
{
	[buf appendData:data];
}
 
- (void)connection:(NSURLConnection *)aConn didFailWithError:(NSError *)error
{
	[connection autorelease];
	connection = nil;
	[buf autorelease];
	buf = nil;
    
    NSString* msg = [NSString stringWithFormat:@"Error: %@ %@",
                     [error localizedDescription],
                     [[error userInfo] objectForKey:NSErrorFailingURLStringKey]];
    
    alert(@"Connection failed: %@", msg);
}
 
- (void)connectionDidFinishLoading:(NSURLConnection *)aConn
{
    
    NSString* s = [[[NSString alloc] initWithData:buf encoding:NSUTF8StringEncoding] autorelease];
	alert(s);
    
    [connection autorelease];
    connection = nil;
	[buf autorelease];
	buf = nil;
}
 
 
 
@end