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comparison Agendas/trunk/src/Agendas.Twitter/oAuthTwitter.cs @ 94:db4b1e2cae49

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Cambio del nombre de la clase Ponente a Persona Se agrega la clase Cuenta para identificar cada una de las cuentas con que se puede autenticar una persona Alta Automatica de cuentas de twitter creando la persona
author Nelo@Kenia.neluz.int
date Sat, 04 Jun 2011 12:11:17 -0300
parents d1688622fa88
children 1ee5711256db
comparison
equal deleted inserted replaced
93:65f0b3d70c18 94:db4b1e2cae49
5 using System.IO; 5 using System.IO;
6 using System.Collections.Specialized; 6 using System.Collections.Specialized;
7 7
8 namespace AltNetHispano.Agendas.Twitter 8 namespace AltNetHispano.Agendas.Twitter
9 { 9 {
10 public class oAuthTwitter : OAuthBase 10 public class OAuthTwitter : OAuthBase
11 { 11 {
12 public enum Method { GET, POST, DELETE }; 12 public enum Method { GET, POST, DELETE };
13 public const string REQUEST_TOKEN = "http://twitter.com/oauth/request_token"; 13 public const string REQUEST_TOKEN = "http://twitter.com/oauth/request_token";
14 public const string AUTHORIZE = "http://twitter.com/oauth/authorize"; 14 public const string AUTHORIZE = "http://twitter.com/oauth/authorize";
15 public const string ACCESS_TOKEN = "http://twitter.com/oauth/access_token"; 15 public const string ACCESS_TOKEN = "http://twitter.com/oauth/access_token";
19 private string _token = ""; 19 private string _token = "";
20 private string _tokenSecret = ""; 20 private string _tokenSecret = "";
21 private string _callBackUrl = "oob"; 21 private string _callBackUrl = "oob";
22 private string _oauthVerifier = ""; 22 private string _oauthVerifier = "";
23 23
24 24 private string ConsumerKey
25 #region Properties
26 public string ConsumerKey
27 { 25 {
28 get 26 get
29 { 27 {
30 if (_consumerKey.Length == 0) 28 if (_consumerKey.Length == 0)
31 { 29 {
32 _consumerKey = ConfigurationManager.AppSettings["consumerKey"]; 30 _consumerKey = ConfigurationManager.AppSettings["consumerKey"];
33 } 31 }
34 return _consumerKey; 32 return _consumerKey;
35 } 33 }
36 set { _consumerKey = value; } 34 }
37 } 35
38 36 private string ConsumerSecret {
39 public string ConsumerSecret {
40 get { 37 get {
41 if (_consumerSecret.Length == 0) 38 if (_consumerSecret.Length == 0)
42 { 39 {
43 _consumerSecret = ConfigurationManager.AppSettings["consumerSecret"]; 40 _consumerSecret = ConfigurationManager.AppSettings["consumerSecret"];
44 } 41 }
45 return _consumerSecret; 42 return _consumerSecret;
46 } 43 }
47 set { _consumerSecret = value; }
48 } 44 }
49 45
50 public string Token { get { return _token; } set { _token = value; } } 46 public string Token { get { return _token; } set { _token = value; } }
51 public string TokenSecret { get { return _tokenSecret; } set { _tokenSecret = value; } } 47 public string TokenSecret { get { return _tokenSecret; } set { _tokenSecret = value; } }
52 public string CallBackUrl { get { return _callBackUrl; } set { _callBackUrl = value; } } 48 public string CallBackUrl { get { return _callBackUrl; } set { _callBackUrl = value; } }
53 public string OAuthVerifier { get { return _oauthVerifier; } set { _oauthVerifier = value; } } 49 public string OAuthVerifier { get { return _oauthVerifier; } set { _oauthVerifier = value; } }
54 50
55 #endregion
56
57 /// <summary> 51 /// <summary>
58 /// Get the link to Twitter's authorization page for this application. 52 /// Get the link to Twitter's authorization page for this application.
59 /// </summary> 53 /// </summary>
60 /// <returns>The url with a valid request token, or a null string.</returns> 54 /// <returns>The url with a valid request token, or a null string.</returns>
61 public string AuthorizationLinkGet() 55 public string AuthorizationLinkGet()
62 { 56 {
63 string ret = null; 57 string ret = null;
64 58
65 string response = oAuthWebRequest(Method.GET, REQUEST_TOKEN, String.Empty); 59 string response = OAuthWebRequest(Method.GET, REQUEST_TOKEN, String.Empty);
66 if (response.Length > 0) 60 if (response.Length > 0)
67 { 61 {
68 //response contains token and token secret. We only need the token. 62 //response contains token and token secret. We only need the token.
69 NameValueCollection qs = HttpUtility.ParseQueryString(response); 63 NameValueCollection qs = HttpUtility.ParseQueryString(response);
70 64
74 { 68 {
75 throw new Exception("OAuth callback not confirmed."); 69 throw new Exception("OAuth callback not confirmed.");
76 } 70 }
77 } 71 }
78 72
79 if (qs["oauth_token"] != null) 73 if (qs[OAuthTokenKey] != null)
80 { 74 {
81 ret = AUTHORIZE + "?oauth_token=" + qs["oauth_token"]; 75 ret = AUTHORIZE + "?" + OAuthTokenKey + "=" + qs[OAuthTokenKey];
82 } 76 }
83 } 77 }
84 return ret; 78 return ret;
85 } 79 }
86 80
89 /// </summary> 83 /// </summary>
90 /// <param name="authToken">The oauth_token is supplied by Twitter's authorization page following the callback.</param> 84 /// <param name="authToken">The oauth_token is supplied by Twitter's authorization page following the callback.</param>
91 /// <param name="oauthVerifier">An oauth_verifier parameter is provided to the client either in the pre-configured callback URL</param> 85 /// <param name="oauthVerifier">An oauth_verifier parameter is provided to the client either in the pre-configured callback URL</param>
92 public void AccessTokenGet(string authToken, string oauthVerifier) 86 public void AccessTokenGet(string authToken, string oauthVerifier)
93 { 87 {
94 this.Token = authToken; 88 Token = authToken;
95 this.OAuthVerifier = oauthVerifier; 89 OAuthVerifier = oauthVerifier;
96 90
97 string response = oAuthWebRequest(Method.GET, ACCESS_TOKEN, String.Empty); 91 string response = OAuthWebRequest(Method.GET, ACCESS_TOKEN, String.Empty);
98 92
99 if (response.Length > 0) 93 if (response.Length > 0)
100 { 94 {
101 //Store the Token and Token Secret 95 //Store the Token and Token Secret
102 NameValueCollection qs = HttpUtility.ParseQueryString(response); 96 NameValueCollection qs = HttpUtility.ParseQueryString(response);
103 if (qs["oauth_token"] != null) 97 if (qs[OAuthTokenKey] != null)
104 { 98 {
105 this.Token = qs["oauth_token"]; 99 Token = qs[OAuthTokenKey];
106 } 100 }
107 if (qs["oauth_token_secret"] != null) 101 if (qs[OAuthTokenSecretKey] != null)
108 { 102 {
109 this.TokenSecret = qs["oauth_token_secret"]; 103 TokenSecret = qs[OAuthTokenSecretKey];
110 } 104 }
111 } 105 }
112 } 106 }
113 107
114 /// <summary> 108 /// <summary>
116 /// </summary> 110 /// </summary>
117 /// <param name="method">GET or POST</param> 111 /// <param name="method">GET or POST</param>
118 /// <param name="url">The full url, including the querystring.</param> 112 /// <param name="url">The full url, including the querystring.</param>
119 /// <param name="postData">Data to post (querystring format)</param> 113 /// <param name="postData">Data to post (querystring format)</param>
120 /// <returns>The web server response.</returns> 114 /// <returns>The web server response.</returns>
121 public string oAuthWebRequest(Method method, string url, string postData) 115 public string OAuthWebRequest(Method method, string url, string postData)
122 { 116 {
123 string outUrl = ""; 117 string outUrl;
124 string querystring = ""; 118 string querystring;
125 string ret = ""; 119 string ret;
126 120
127 121
128 //Setup postData for signing. 122 //Setup postData for signing.
129 //Add the postData to the querystring. 123 //Add the postData to the querystring.
130 if (method == Method.POST || method == Method.DELETE) 124 if (method == Method.POST || method == Method.DELETE)
139 if (postData.Length > 0) 133 if (postData.Length > 0)
140 { 134 {
141 postData += "&"; 135 postData += "&";
142 } 136 }
143 qs[key] = HttpUtility.UrlDecode(qs[key]); 137 qs[key] = HttpUtility.UrlDecode(qs[key]);
144 qs[key] = this.UrlEncode(qs[key]); 138 qs[key] = UrlEncode(qs[key]);
145 postData += key + "=" + qs[key]; 139 postData += key + "=" + qs[key];
146 140
147 } 141 }
148 if (url.IndexOf("?") > 0) 142 if (url.IndexOf("?") > 0)
149 { 143 {
155 } 149 }
156 url += postData; 150 url += postData;
157 } 151 }
158 } 152 }
159 153
160 Uri uri = new Uri(url); 154 var uri = new Uri(url);
161 155
162 string nonce = this.GenerateNonce(); 156 string nonce = GenerateNonce();
163 string timeStamp = this.GenerateTimeStamp(); 157 string timeStamp = GenerateTimeStamp();
164 158
165 //Generate Signature 159 //Generate Signature
166 string sig = this.GenerateSignature(uri, 160 string sig = GenerateSignature(uri,
167 this.ConsumerKey, 161 ConsumerKey,
168 this.ConsumerSecret, 162 ConsumerSecret,
169 this.Token, 163 Token,
170 this.TokenSecret, 164 TokenSecret,
171 this.CallBackUrl, 165 CallBackUrl,
172 this.OAuthVerifier, 166 OAuthVerifier,
173 method.ToString(), 167 method.ToString(),
174 timeStamp, 168 timeStamp,
175 nonce, 169 nonce,
176 out outUrl, 170 out outUrl,
177 out querystring); 171 out querystring);
178 172
179 querystring += "&oauth_signature=" + this.UrlEncode(sig); 173 querystring += "&" + OAuthSignatureKey + "=" + UrlEncode(sig);
180 174
181 //Convert the querystring to postData 175 //Convert the querystring to postData
182 if (method == Method.POST || method == Method.DELETE) 176 if (method == Method.POST || method == Method.DELETE)
183 { 177 {
184 postData = querystring; 178 postData = querystring;
202 /// <param name="url">Full url to the web resource</param> 196 /// <param name="url">Full url to the web resource</param>
203 /// <param name="postData">Data to post in querystring format</param> 197 /// <param name="postData">Data to post in querystring format</param>
204 /// <returns>The web server response.</returns> 198 /// <returns>The web server response.</returns>
205 public string WebRequest(Method method, string url, string postData) 199 public string WebRequest(Method method, string url, string postData)
206 { 200 {
207 HttpWebRequest webRequest = null; 201 HttpWebRequest webRequest;
208 StreamWriter requestWriter = null; 202 StreamWriter requestWriter;
209 string responseData = ""; 203 string responseData;
210 204
211 webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest; 205 webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
212 webRequest.Method = method.ToString(); 206 webRequest.Method = method.ToString();
213 webRequest.ServicePoint.Expect100Continue = false; 207 webRequest.ServicePoint.Expect100Continue = false;
214 //webRequest.UserAgent = "Identify your application please."; 208 //webRequest.UserAgent = "Identify your application please.";
222 requestWriter = new StreamWriter(webRequest.GetRequestStream()); 216 requestWriter = new StreamWriter(webRequest.GetRequestStream());
223 try 217 try
224 { 218 {
225 requestWriter.Write(postData); 219 requestWriter.Write(postData);
226 } 220 }
227 catch
228 {
229 throw;
230 }
231 finally 221 finally
232 { 222 {
233 requestWriter.Close(); 223 requestWriter.Close();
234 requestWriter = null;
235 } 224 }
236 } 225 }
237 226
238 responseData = WebResponseGet(webRequest); 227 responseData = WebResponseGet(webRequest);
239 228
240 webRequest = null; 229 return responseData;
241
242 return responseData;
243 230
244 } 231 }
245 232
246 /// <summary> 233 /// <summary>
247 /// Process the web response. 234 /// Process the web response.
249 /// <param name="webRequest">The request object.</param> 236 /// <param name="webRequest">The request object.</param>
250 /// <returns>The response data.</returns> 237 /// <returns>The response data.</returns>
251 public string WebResponseGet(HttpWebRequest webRequest) 238 public string WebResponseGet(HttpWebRequest webRequest)
252 { 239 {
253 StreamReader responseReader = null; 240 StreamReader responseReader = null;
254 string responseData = ""; 241 string responseData;
255 242
256 try 243 try
257 { 244 {
258 responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream()); 245 responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
259 responseData = responseReader.ReadToEnd(); 246 responseData = responseReader.ReadToEnd();
260 } 247 }
261 catch
262 {
263 throw;
264 }
265 finally 248 finally
266 { 249 {
267 webRequest.GetResponse().GetResponseStream().Close(); 250 webRequest.GetResponse().GetResponseStream().Close();
268 responseReader.Close(); 251 responseReader.Close();
269 responseReader = null;
270 } 252 }
271 253
272 return responseData; 254 return responseData;
273 } 255 }
274 } 256 }