1: using System;
2: using System.IO;
3: using System.Xml;
4: using System.Data;
5: using System.Collections;
6: using System.Globalization;
7: using System.Configuration;
8: using System.Net;
9: using System.Text;
10: using System.Text.RegularExpressions;
11: using System.Web;
12:
13: namespace Ia.Cl.Model
14: {
15: ////////////////////////////////////////////////////////////////////////////
16:
17: /// <summary publish="true">
18: /// SMS API service support class. Handles sending and recieving SMS messages through the ClickATell.com SMS API Service gateway. Requires subscription.
19: /// </summary>
20: ///
21: /// <value>
22: /// I have updated the code to use "Send SMS with C#" see http://www.clickatell.com/developers/c.php 2010-02
23: /// </value>
24: ///
25: /// <remarks>
26: /// Copyright © 2001-2015 Jasem Y. Al-Shamlan (info@ia.com.kw), Internet Applications - Kuwait. All Rights Reserved.
27: ///
28: /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
29: /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
30: ///
31: /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
32: /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
33: ///
34: /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
35: ///
36: /// Copyright notice: This notice may not be removed or altered from any source distribution.
37: /// </remarks>
38: public class Sms
39: {
40: private static string url;
41: private static string apiId, user, password;
42:
43: ////////////////////////////////////////////////////////////////////////////
44:
45: /// <summary>
46: ///
47: /// </summary>
48: public Sms() { }
49:
50: ////////////////////////////////////////////////////////////////////////////
51:
52: /// <summary>
53: ///
54: /// </summary>
55: public static int Send(string to, string from, string text, out string result)
56: {
57: // for non-unicode sending on letter is about 160 chars. You need concat value that is at least (chars/160) + 1
58: int op;
59:
60: op = 0;
61: result = "";
62:
63: // unicode = 0, concat = 2;
64: op = Send(to, from, text, 0, 2, out result);
65:
66: return op;
67: }
68:
69: ////////////////////////////////////////////////////////////////////////////
70:
71: /// <summary>
72: ///
73: /// </summary>
74: public static int SendUtf8(string to, string from, string text, out string result)
75: {
76: int op;
77:
78: op = 0;
79: result = "";
80:
81: // unicode = 1 (for Arabic), concat = 2;
82: op = Send(to, from, ConvertUtf8ToUnicodeHex(text), 1, 2, out result);
83:
84: return op;
85: }
86:
87: ////////////////////////////////////////////////////////////////////////////
88:
89: /// <summary>
90: ///
91: /// </summary>
92: private static int Send(string to, string from, string text, int unicode, int concat, out string result)
93: {
94: int op;
95: string u;
96:
97: op = 0;
98: result = "";
99:
100: apiId = ConfigurationManager.AppSettings["clickatellHttpApiId"].ToString();
101: user = ConfigurationManager.AppSettings["clickatellUser"].ToString();
102: password = ConfigurationManager.AppSettings["clickatellPassword"].ToString();
103:
104: url = "http://api.clickatell.com/http/sendmsg";
105:
106: // remove all space chars
107: to = Regex.Replace(to, @"\s", "");
108:
109: using (WebClient wc = new WebClient())
110: {
111: // check that to is all digits
112: if (Regex.IsMatch(to, @"^\d{8,15}$"))
113: {
114: // remove the leading "00" if they existed
115: to = Regex.Replace(to, "^00", "");
116:
117: if (to.Length == 8) // if number is 8 digits we will assume it is from Kuwait and add the country code
118: {
119: // check if number is SMSable
120: to = "965" + to; // this adds the country code to the number
121: }
122:
123: wc.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
124: wc.QueryString.Add("user", user);
125: wc.QueryString.Add("password", password);
126: wc.QueryString.Add("api_id", apiId);
127: wc.QueryString.Add("to", to);
128: wc.QueryString.Add("concat", concat.ToString());
129: wc.QueryString.Add("unicode", unicode.ToString());
130: wc.QueryString.Add("text", text);
131:
132: using (Stream s = wc.OpenRead(url))
133: {
134: using (StreamReader sr = new StreamReader(s))
135: {
136: u = sr.ReadToEnd();
137:
138: if (u.Contains("ERR"))
139: {
140: result = "SMS could not be sent (" + u + "). ";
141: op = -1;
142: }
143: else
144: {
145: result = u;
146: op = 1;
147: }
148:
149: //sr.Close();
150: }
151:
152: //s.Close();
153: }
154: }
155: else
156: {
157: result = "Number has non-digit characters or number of characters is not within range. ";
158: op = -1;
159: }
160: }
161:
162: return op;
163: }
164:
165: /*
166: ////////////////////////////////////////////////////////////////////////////
167:
168: /// <summary>
169: ///
170: /// </summary>
171: private static int send_old(string to, string from, string text, out string result)
172: {
173: int op;
174: string response, r1;
175:
176: op = 0;
177: result = r1 = "";
178:
179: api_id = ConfigurationManager.AppSettings["clickatell_xml_api_id"].ToString();
180: user = ConfigurationManager.AppSettings["clickatell_user"].ToString();
181: password = ConfigurationManager.AppSettings["clickatell_password"].ToString();
182:
183: XmlDataDocument d = new XmlDataDocument();
184:
185: // remove all space chars
186: to = Regex.Replace(to, @"\s", "");
187:
188: // check that to is all digits
189: if (Regex.IsMatch(to, @"^\d{8,15}$"))
190: {
191: // remove the leading "00" if they existed
192: to = Regex.Replace(to, "^00", "");
193:
194: if (to.Length <= 8) // if number is 8 or less digits we will assume it is from Kuwait and add the country code
195: {
196: // check if number is SMSable
197:
198: to = "965" + to; // this adds the country code to the number
199: }
200:
201: url = "http://api.clickatell.com/xml/xml?data=<clickAPI><sendMsg><api_id>" + api_id + "</api_id><user>" + user + "</user><password>" + password + "</password><concat>" + concat + "</concat><unicode>" + unicode + "</unicode><to>" + to + "</to><text>" + HttpUtility.UrlEncode(text) + "</text><from>" + from + "</from></sendMsg></clickAPI>";
202:
203: op = get_page(url, out response, out r1);
204:
205: if (op > 0)
206: {
207: try { d.LoadXml(response); }
208: catch (Exception) { result = "SMS could not be sent. Response is not in recognized XML format. "; }
209: }
210: else { result = r1; }
211: }
212: else { result = "Number has non-digit characters or number of characters is not within range"; op = -1; }
213:
214: return op;
215: }
216: */
217:
218: ////////////////////////////////////////////////////////////////////////////
219:
220: /// <summary>
221: ///
222: /// </summary>
223: private static string ConvertUtf8ToUnicodeHex(string line)
224: {
225: // convert a utf8 string to a hex representation of unicode
226: UTF8Encoding utf8 = new UTF8Encoding();
227:
228: // encode the string
229: byte[] bytes = utf8.GetBytes(line);
230: int count = utf8.GetCharCount(bytes);
231:
232: Decoder d = Encoding.UTF8.GetDecoder();
233: int charCount = d.GetCharCount(bytes, 0, bytes.Length);
234: char[] chars = new char[charCount];
235: int charsDecodedCount = d.GetChars(bytes, 0, bytes.Length, chars, 0);
236:
237: line = "";
238: foreach (char c in chars) line += ((ushort)c).ToString("X").PadLeft(4, '0');
239:
240: //result_l.Text += "\n<br><br>ΩΨΘ:03A903A80398";
241: return line;
242: }
243:
244: /*
245: ////////////////////////////////////////////////////////////////////////////
246:
247: /// <summary>
248: ///
249: /// </summary>
250: private static int get_page(string url, out string text, out string result)
251: {
252: int op;
253:
254: op = 0;
255: result = "";
256: text = "";
257:
258: try
259: {
260: Uri ourUri = new Uri(url);
261: // Creates an HttpWebRequest for the specified URL.
262: HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(ourUri);
263: HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
264:
265: Stream receiveStream = myHttpWebResponse.GetResponseStream();
266: Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
267:
268: // Pipes the stream to a higher level stream reader with the required encoding format.
269: StreamReader readStream = new StreamReader(receiveStream, encode);
270:
271: Char[] read = new Char[256];
272: // Reads 256 characters at a time.
273: int count = readStream.Read(read, 0, 256);
274:
275: while (count > 0)
276: {
277: // Dumps the 256 characters on a string and displays the string to the console.
278: String str = new String(read, 0, count);
279: text += str;
280: count = readStream.Read(read, 0, 256);
281: }
282:
283: // Releases the resources of the response.
284: myHttpWebResponse.Close();
285:
286: op = 1;
287: }
288: catch (WebException e)
289: {
290: HttpWebResponse response = (HttpWebResponse)e.Response;
291: if (response != null)
292: {
293: if (response.StatusCode == HttpStatusCode.Unauthorized)
294: {
295: string challenge = null;
296: challenge = response.GetResponseHeader("WWW-Authenticate");
297: if (challenge != null) result = "The following challenge was raised by the server: " + challenge;
298: }
299: else result = "The following WebException was raised : " + e.Message;
300: }
301: else result = "Response Received from server was null";
302:
303: op = -1;
304: }
305: catch (Exception e)
306: {
307: result = "The following Exception was raised : " + e.Message;
308: op = -1;
309: }
310:
311: return op;
312: }
313: */
314:
315: ////////////////////////////////////////////////////////////////////////////
316: ////////////////////////////////////////////////////////////////////////////
317: }
318: }