/// <summary>
/// Twitter と通信をする。
/// </summary>
/// <param name="method">通信メソッド</param>
/// <param name="url">URL</param>
/// <param name="query">クエリ文字列</param>
/// <returns></returns>
private WebResponse BasicTwitterAccess(string method, string url)
{
string nonce = GetNonce();
long time = GetTime();
string signature = GetSignature(this._consumersecret, this._accesstokensecret,
method + "&" + UrlEncode(url) + "&" + UrlEncode(GetParamString(_consumerkey, nonce, null, time, this._accesstoken, null, null)));
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
hwr.Method = method;
hwr.Headers.Add(HttpRequestHeader.Authorization, GetHeaderAuthorityString(this._consumerkey, nonce, signature, time, this._accesstoken));
WebResponse r = null;
try
{
r = hwr.GetResponse();
}
catch
{
this._status = TwitterLibraryStatus.Failed;
}
this._status = TwitterLibraryStatus.Success;
return r;
}
public TwitterLibrary(string consumerkey, string consumersecret)
{
this._consumerkey = consumerkey;
this._consumersecret = consumersecret;
this._status = TwitterLibraryStatus.NeedPinOrToken;
if (this._accesstokensecret != null && this._accesstoken != null)
{
this._status = TwitterLibraryStatus.Authorized;
return;
}
}
/// <summary>
/// つぶやく。
/// </summary>
/// <param name="str">つぶやき内容</param>
/// <param name="reply_status_id">Reply を送るときの対象ID</param>
/// <returns>成功かどうか</returns>
public bool Update(string str, string reply_status_id = null)
{
string nonce = GetNonce();
long time = GetTime();
string tweet = UrlEncode(str);
string signature = GetSignature(this._consumersecret, this._accesstokensecret,
"POST&" + UrlEncode(this._update_url) + "&" + (reply_status_id != null ? ("in_reply_to_status_id%3D" + reply_status_id + "%26") : "") +
"include_entities%3Dtrue" +
"%26" + UrlEncode(GetParamString(_consumerkey, nonce, null, time, this._accesstoken, null, tweet)));
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(this._update_url);
hwr.Method = "POST";
hwr.ServicePoint.Expect100Continue = false;
hwr.ContentType = "application/x-www-form-urlencoded";
hwr.Headers.Add(HttpRequestHeader.Authorization, GetHeaderAuthorityString(this._consumerkey, nonce, signature, time, this._accesstoken));
var message = new StreamWriter(hwr.GetRequestStream());
message.Write("status=" + tweet + "&include_entities=true" + (reply_status_id != null ? ("&in_reply_to_status_id=" + reply_status_id) : ""));
message.Close();
try
{
var ret = hwr.GetResponse();
ret.Close();
}
catch
{
this._status = TwitterLibraryStatus.Failed;
return false;
}
this._status = TwitterLibraryStatus.Success;
return true;
}
/// <summary>
/// ツイート検索
/// </summary>
/// <param name="query">検索</param>
public void Search(string query)
{
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(this._search_url + "?q=" + UrlEncode(query));
hwr.Method = "GET";
WebResponse r = null;
try
{
r = hwr.GetResponse();
}
catch
{
this._status = TwitterLibraryStatus.Failed;
return;
}
this._status = TwitterLibraryStatus.Success;
if (r != null)
{
var stream = new StreamReader(r.GetResponseStream());
var tweets = new JavaScriptSerializer().Deserialize<Dictionary<string, object>>(stream.ReadToEnd())["results"] as ArrayList;
for (int i = tweets.Count - 1; i >= 0; i--)
{
var info = tweets[i] as Dictionary<string, object>;
UserStreams(info["id_str"] as string, info["from_user"] as string, info["from_user_name"] as string, info["text"] as string);
}
}
}
/// <summary>
/// Twitter にログインを行う。
/// </summary>
/// <returns>認証成功かどうか。</returns>
public bool Login()
{
string nonce = GetNonce();
long time = GetTime();
if (this._accesstokensecret != null && this._accesstoken != null)
{
this._status = TwitterLibraryStatus.Authorized;
return true;
}
if (this._pin == "")
{
this._status = TwitterLibraryStatus.NeedPinOrToken;
return false;
}
var signature = GetSignature(this._consumersecret, null,
"POST&" + UrlEncode(this._accesstoken_url) + "&" + GetParamString(this._consumerkey, nonce, null, time, this._request_token, this._pin, null));
var hwr = (HttpWebRequest)HttpWebRequest.Create(this._accesstoken_url + "?" + GetParamString(this._consumerkey, nonce, signature, time, this._request_token, this._pin, null));
hwr.Method = "POST";
hwr.Headers.Add("Authorization", "OAuth");
WebResponse webret;
try
{
webret = hwr.GetResponse();
}
catch
{
this._status = TwitterLibraryStatus.AuthorizationFailed;
return false;
}
string[] response = new StreamReader(webret.GetResponseStream()).ReadToEnd().Split('&');
foreach (string s in response)
{
if (s.IndexOf("oauth_token=") != -1)
this._accesstoken = s.Substring(s.IndexOf("=") + 1);
if (s.IndexOf("oauth_token_secret=") != -1)
this._accesstokensecret = s.Substring(s.IndexOf("=") + 1);
}
this._status = TwitterLibraryStatus.Authorized;
return true;
}
/// <summary>
/// 指定ユーザの直近２０件のタイムラインを取得する。
/// <param name="screenname">Twitter ID ex.) mimura1133</param>
/// </summary>
public void GetUserTimeline(string screenname)
{
HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(this._getusertimeline_url + "?include_entities=true&screen_name=" + screenname);
hwr.Method = "GET";
WebResponse r = null;
try
{
r = hwr.GetResponse();
}
catch
{
this._status = TwitterLibraryStatus.Failed;
return;
}
this._status = TwitterLibraryStatus.Success;
var stream = new StreamReader(r.GetResponseStream());
var tweets = new JavaScriptSerializer().Deserialize<ArrayList>(stream.ReadToEnd());
for (int i = tweets.Count - 1; i >= 0; i--)
{
var tweet = tweets[i] as Dictionary<string, object>;
if (tweet.ContainsKey("user") && tweet.ContainsKey("text"))
{
var user = tweet["user"] as Dictionary<string, object>;
this.UserStreams(tweet["id_str"] as string, user["screen_name"] as string, user["name"] as string, tweet["text"] as string);
}
}
}
/// <summary>
/// PIN コード取得画面を出す。
/// </summary>
/// <returns>URL</returns>
public string GetPinURL()
{
string nonce = GetNonce();
long time = GetTime();
var signature = GetSignature(this._consumersecret, null, "POST&" + UrlEncode(this._requesttoken_url) + "&" + UrlEncode(GetParamString(this._consumerkey, nonce, null, time, null, null, null)));
var hwr = (HttpWebRequest)HttpWebRequest.Create(this._requesttoken_url + "?" + GetParamString(this._consumerkey, nonce, signature, time, null, null, null));
hwr.Method = "POST";
WebResponse webret;
try
{
webret = hwr.GetResponse();
}
catch
{
this._status = TwitterLibraryStatus.AuthorizationFailed;
return "";
}
string[] response = new StreamReader(webret.GetResponseStream()).ReadToEnd().Split('&');
foreach (string s in response)
{
if (s.IndexOf("oauth_token=") != -1)
this._request_token = s.Substring(s.IndexOf("=") + 1);
if (s.IndexOf("oauth_token_secret=") != -1)
this._request_token_secret = s.Substring(s.IndexOf("=") + 1);
}
this._status = TwitterLibraryStatus.NeedPinOrToken;
return this._authorize_url + "?oauth_token=" + this._request_token;
}
