Objective-C - clearCookies functions

clearCookies.m

// By Dave Wood - Released into the Public Domain
+ (void)clearCookies
{
    NSHTTPCookieStorage *httpCookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
    for (NSHTTPCookie *httpCookie in [httpCookieStorage cookies])
    {
        [httpCookieStorage deleteCookie:httpCookie];
    }
    [[NSUserDefaults standardUserDefaults] synchronize];
}

// domain passed should be something like @".app.net", the leading dot prevents deleting somethingelseapp.net
+ (void)clearCookiesForDomain:(NSString *)domain
{
    NSHTTPCookieStorage *httpCookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
    for (NSHTTPCookie *httpCookie in [httpCookieStorage cookies])
    {
        if ([httpCookie.domain hasSuffix:domain])
        {
            [httpCookieStorage deleteCookie:httpCookie];
        }
    }
    [[NSUserDefaults standardUserDefaults] synchronize];
}