2011-05-16 62 views
2

我在写一段C#代码的测试代码,它登录Facebook并捕获cookie。我只是为了教育目的而做的。我已经获得了一项任务,可以自动完成表单上传,下载以及在我的工作和第三方之间提交表单的工作,这是我必须正确对待的那些事情之一,而且我必须在第一时间做好准备。因此我为什么认为我会在Facebook和其他一些网络服务上做一些练习。C#web服务器没有看到存储的cookie

我:

string postMessage = "user=" + username + "&pass=" + password; 
CookieContainer cookieJar = new CookieContainer(); 
MessageBox.Show(cookieJar.Count + " cookies"); // 0 cookies, as expected. 

HttpWebRequest wReq 
= (HttpWebRequest)HttpWebRequest.Create("https://www.facebook.com/login.php"); 
wReq.Proxy    = HttpWebRequest.GetSystemWebProxy(); 
wReq.Proxy.Credentials = CredentialCache.DefaultCredentials; 
wReq.UserAgent 
    = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.24 " 
    + "(KHTML, like Gecko) Chrome/11.0.696.65 Safari/534.24"; 
wReq.CookieContainer = cookieJar; 
wReq.Method   = "POST"; 
wReq.ContentLength  = postMessage.Length; 
wReq.ContentType  = "application/x-www-form-urlencoded"; 

StreamWriter sw = null; 

try 
{ 
    sw = new StreamWriter(wReq.GetRequestStream()); 
    sw.Write(postMessage); 
} 
catch 
{ 
    return false; 
} 
finally 
{ 
    sw.Close(); 
} 

string result = string.Empty; 

HttpWebResponse wResp = (HttpWebResponse)wReq.GetResponse(); 
using (StreamReader sr = new StreamReader(wResp.GetResponseStream())) 
{ 
    result = sr.ReadToEnd(); 
    sr.Close(); // BREAKPOINT 1 
} 

MessageBox.Show(cookieJar.Count + " cookies"); // 6 cookies. 

wReq 
    = (HttpWebRequest)HttpWebRequest.Create("http://www.facebook.com/home.php"); 
wReq.Proxy = HttpWebRequest.GetSystemWebProxy(); 
wReq.Proxy.Credentials = CredentialCache.DefaultCredentials; 
wReq.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.24 " 
    + "(KHTML, like Gecko) Chrome/11.0.696.65 Safari/534.24"; 
wReq.CookieContainer = cookieJar; 

result = string.Empty; 

wResp = (HttpWebResponse)wReq.GetResponse(); 
using (StreamReader sr = new StreamReader(wResp.GetResponseStream())) 
{ 
    result = sr.ReadToEnd(); 
    sr.Close(); // BREAKPOINT 2 
} 

如果我在断点1检查result,我可以看到结果对于Facebook的登录页面的HTML代码。它告诉我,即使我的cookiaJar已经捕获了6个Cookie,我的浏览器中仍未启用Cookie。

同样,如果我在断点2检查result,我可以看到html代码告诉我“我必须登录才能看到此页面”。

现在,我知道Facebook的工作没有JavaScript,我在我的cookieJar捕获6个饼干。我有点困惑,为什么这不起作用? (顺便说一句,我的密码有大写,小写,数字和符号,我需要用URLEncode()对它进行编码吗?我已经使用纯文本密码成功登录到另一个网站,而不需要编码密码。)

回答

1

您从登录的https切换到http进行读取。尝试更改第二次阅读以使用https以及看看是否有帮助。