Писал одно время, посмотри мой код:
| Код |
public struct vkApiRequest
{
public string api_id;
public string method;
public string sig;
public string version;
public string format;
public string sid;
public string mid;
public string secret;
}
class vkApiManager
{
private vkApiRequest CurrentApiRequest;
public vkApiManager(string mid,string sid, string secret)
{
CurrentApiRequest.api_id = "api_id=194932"; // <---------------Укажи свой ApplicationID
CurrentApiRequest.version = "v=3.0";
CurrentApiRequest.format = "format=xml";
CurrentApiRequest.mid = mid;
CurrentApiRequest.sid = "sid="+sid;
CurrentApiRequest.secret = secret;
}
private string MD5Hash(string instr)
{
string strHash = string.Empty;
foreach (byte b in new MD5CryptoServiceProvider().ComputeHash(Encoding.Default.GetBytes(instr)))
{
strHash += b.ToString("X2");
}
return strHash.ToLower();
}
private string CreateSignature(string param)
{
string ForSign = CurrentApiRequest.mid;
ForSign += CurrentApiRequest.api_id;
ForSign += param;
ForSign += CurrentApiRequest.format;
ForSign += CurrentApiRequest.method;
ForSign += CurrentApiRequest.version;
ForSign += CurrentApiRequest.secret;
return MD5Hash(ForSign);
}
public string GetFriendsWithInfo()
{
StringBuilder request_content = new StringBuilder();
CurrentApiRequest.method = "method=friends.get";
const string param = "fields= nickname, sex, bdate, city, photo";
request_content.Append("http://api.vkontakte.ru/api.php?");
request_content.Append(CurrentApiRequest.api_id);
request_content.Append("&"+param+"&");
request_content.Append(CurrentApiRequest.format);
request_content.Append("&");
request_content.Append(CurrentApiRequest.method);
request_content.Append("&");
request_content.Append(CurrentApiRequest.sid);
request_content.Append("&");
request_content.Append("sig=" + CreateSignature(param));
request_content.Append("&");
request_content.Append(CurrentApiRequest.version);
HttpWebRequest request = HttpWebRequest.Create(request_content.ToString()) as HttpWebRequest;
request.Method = "POST";
request.AllowAutoRedirect = false;
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
StreamReader myStreamReader = new StreamReader(response.GetResponseStream());
string ret = myStreamReader.ReadToEnd();
response.GetResponseStream().Close();
return ret;
}
}
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