oAuth2.0 登录新浪微博 发送新浪微博 代码
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oAuth2.0 登录新浪微博 发送新浪微博 代码
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1 public class SinaoAuth
2 {
3 string APIHost = "";
4 public SinaoAuth()
5 {
6 APIHost = SinaConfig.Sina_Host;
7 }
8
9 #region 綁定微博帳號
10 /// <summary>
11 /// 綁定微博帳號
12 /// </summary>
13 /// <param name="username">新浪微博的登錄帳號</param>
14 /// <param name="password">新浪微博的登錄密碼</param>
15 /// <returns>失敗返回null</returns>
16 public string Binding(String username, String password)
17 {
18 if (String.IsNullOrEmpty(username) || String.IsNullOrEmpty(password))
19 {
20 return null;
21 }
22 string apiUrl = "https://api.weibo.com/oauth2/access_token?client_id=" + SinaConfig.Sina_AppKey + "&client_secret=" + SinaConfig.Sina_AppSecurity + "&grant_type=password&username=" + username + "&password=" + password;
23
24 try
25 {
26 HttpWebRequest webReq = (HttpWebRequest)HttpWebRequest.Create(apiUrl);
27 webReq.Method = "POST";
28 webReq.Timeout = 2000;
29 //webReq.Headers.Add("Authorization", header);
30 HttpWebResponse webRsp = (HttpWebResponse)webReq.GetResponse();
31
32 using (StreamReader reader = new StreamReader(webRsp.GetResponseStream()))
33 {
34 string rsp = reader.ReadToEnd();
35 AccessTokenResponse accessToken = new AccessTokenResponse(rsp);
36 if (accessToken != null && accessToken.IsValid)
37 {
38 return accessToken.AccessToken;
39 }
40 else
41 {
42 return null;
43 }
44 }
45 }
46 catch (WebException e)
47 {
48 return GetErrorMessage(e);
49 }
50 }
51
52 private string GetErrorMessage(WebException e)
53 {
54 try
55 {
56 HttpWebResponse webResponse = e.Response as HttpWebResponse;
57 StreamReader myread = new StreamReader(webResponse.GetResponseStream());
58 string error = myread.ReadToEnd();
59 ErrorMessage errorMessage = new ErrorMessage(error);
60 return errorMessage.Error_code;
61 }
62 catch (Exception ex)
63 {
64 return ex.Message;
65 throw;
66 }
67 }
68
69 /// <summary>
70 /// 用web方式登錄
71 /// </summary>
72 /// <param name="code"></param>
73 /// <returns></returns>
74 public string Binding(string code)
75 {
76 string apiUrl = "https://api.weibo.com/oauth2/access_token?client_id="+SinaConfig.Sina_AppKey+"&client_secret="+
77 SinaConfig.Sina_AppSecurity + "&grant_type=authorization_code&redirect_uri=http://sae.sina.com.cn/&code="+code;
78 try
79 {
80 HttpWebRequest webReq = (HttpWebRequest)HttpWebRequest.Create(apiUrl);
81 webReq.Method = "POST";
82 webReq.Timeout = 2000;
83 //webReq.Headers.Add("Authorization", header);
84 HttpWebResponse webRsp = (HttpWebResponse)webReq.GetResponse();
85
86 using (StreamReader reader = new StreamReader(webRsp.GetResponseStream()))
87 {
88 string rsp = reader.ReadToEnd();
89 AccessTokenResponse accessToken = new AccessTokenResponse(rsp);
90 if (accessToken != null && accessToken.IsValid)
91 {
92 return accessToken.AccessToken;
93 }
94 else
95 {
96 return null;
97 }
98 }
99 }
100 catch (WebException e)
101 {
102 return GetErrorMessage(e);
103 }
104 }
105
106 /// <summary>
107 /// 直接發送微博
108 /// </summary>
109 /// <param name="access_token"></param>
110 /// <param name="status"></param>
111 /// <returns></returns>
112 public string update(string access_token,string status)
113 {
114 string apiUrl = "https://api.weibo.com/2/statuses/update.json";
115 try
116 {
117 HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(apiUrl);
118 request.Method = "POST";
119 request.Timeout = 2000;
120 request.ContentType = "application/x-www-form-urlencoded";
121 System.Text.Encoding encoding = System.Text.Encoding.ASCII;
122 byte[] bytesToPost = encoding.GetBytes("access_token=" + access_token + "&status=" + UrlEncode(status));
123 request.ContentLength = bytesToPost.Length;
124 System.IO.Stream requestStream = request.GetRequestStream();
125 requestStream.Write(bytesToPost, 0, bytesToPost.Length);
126 requestStream.Close();
127
128 HttpWebResponse response = (HttpWebResponse)request.GetResponse();
129 using (StreamReader reader = new StreamReader(response.GetResponseStream()))
130 {
131 string rsp = reader.ReadToEnd();
132 if (rsp != "")
133 {
134 return "SUCCESS";
135 }
136 }
137 return null;
138 }
139 catch (WebException ex)
140 {
141 return GetErrorMessage(ex);
142 }
143 }
144
145 public static string UrlEncode(string str)
146 {
147 StringBuilder sb = new StringBuilder();
148 byte[] byStr = System.Text.Encoding.UTF8.GetBytes(str); //默認是System.Text.Encoding.Default.GetBytes(str)
149 for (int i = 0; i < byStr.Length; i++)
150 {
151 sb.Append(@"%" + Convert.ToString(byStr[i], 16));
152 }
153
154 return (sb.ToString());
155 }
156
157 /// <summary>
158 /// 發送帶圖片的微博
159 /// </summary>
160 /// <param name="access_token"></param>
161 /// <param name="status">文字內容</param>
162 /// <param name="pic">圖片的byte流</param>
163 /// <returns></returns>
164 public string ShareImg(string access_token,string status,byte[] pic)
165 {
166 string apiUrl = "https://api.weibo.com/2/statuses/upload.json?access_token=" + access_token + "&status=" +UrlEncode(status) + "&pic=" + @pic + "";
167
168 try
169 {
170 HttpWebRequest webReq = (HttpWebRequest)HttpWebRequest.Create(apiUrl);
171 webReq.Method = "POST";
172 webReq.Timeout = 2000;
173 string boundary = Guid.NewGuid().ToString();
174 //webReq.ContentType = string.Format("text/html; charset=GBK");
175 webReq.ContentType=string.Format("multipart/form-data; boundary={0}", boundary);
176 byte[] contents = getMultipartContent(status, pic, boundary);
177 webReq.ContentLength = contents.Length;
178 webReq.GetRequestStream().Write(contents, 0, contents.Length);
179
180 HttpWebResponse webRsp = (HttpWebResponse)webReq.GetResponse();
181
182 using (StreamReader reader = new StreamReader(webRsp.GetResponseStream()))
183 {
184 string rsp = reader.ReadToEnd();
185 if (rsp != "")
186 {
187 return "SUCCESS";
188 }
189 }
190 return null;
191 }
192 catch (WebException e)
193 {
194 return GetErrorMessage(e);
195 }
196 }
197
198
199 private byte[] getMultipartContent(string msg, byte[] pic, string boundary)
200 {
201 string contentEncoding = "iso-8859-1";
202 string header = string.Format("--{0}", boundary);
203 string footer = string.Format("--{0}--", boundary);
204
205 StringBuilder contents = new StringBuilder();
206 contents.AppendLine(header);
207 contents.AppendLine(String.Format("Content-Disposition: form-data; name=\"{0}\"", "status"));
208 contents.AppendLine("Content-Type: text/plain; charset=US-ASCII");
209 contents.AppendLine("Content-Transfer-Encoding: 8bit");
210 contents.AppendLine();
211 contents.AppendLine(UrlEncode(msg));
212
213 contents.AppendLine(header);
214 contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0}\"", "source"));
215 contents.AppendLine("Content-Type: text/plain; charset=US-ASCII");
216 contents.AppendLine("Content-Transfer-Encoding: 8bit");
217 contents.AppendLine();
218 contents.AppendLine(SinaConfig.Sina_AppKey);
219
220 contents.AppendLine(header);
221 string fileHeader = string.Format("Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"", "pic", "");
222 string fileData = System.Text.Encoding.GetEncoding(contentEncoding).GetString(pic);
223
224 contents.AppendLine(fileHeader);
225 contents.AppendLine("Content-Type: application/octet-stream; charset=UTF-8");
226 contents.AppendLine("Content-Transfer-Encoding: binary");
227 contents.AppendLine();
228 contents.AppendLine(fileData);
229 contents.AppendLine(footer);
230
231 return Encoding.GetEncoding(contentEncoding).GetBytes(contents.ToString());
232 }
233
234 #endregion
235 }
提供學習交流，不正確的希望園子們指出來 謝謝 哈。
轉載于:https://www.cnblogs.com/Lovetuya/archive/2012/04/11/2442366.html
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