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annotate PostWriterWebService blog/PostWriterWebService.asmx @ 188:49125b681709

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author juanjose.montesdeocaarbos
date Tue, 09 Aug 2011 08:55:08 -0300
parents 4895116b8232
children
rev   line source
98
4895116b8232 subida del web service para escribir posts en el blog del portal
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1 <%@ WebService Language="C#" Class="PostWriterWebService" %>
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2
4895116b8232 subida del web service para escribir posts en el blog del portal
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3 using System;
4895116b8232 subida del web service para escribir posts en el blog del portal
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4 using System.Configuration;
4895116b8232 subida del web service para escribir posts en el blog del portal
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5 using System.Globalization;
4895116b8232 subida del web service para escribir posts en el blog del portal
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6 using System.Linq;
4895116b8232 subida del web service para escribir posts en el blog del portal
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7 using System.Security.Cryptography;
4895116b8232 subida del web service para escribir posts en el blog del portal
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8 using System.Web;
4895116b8232 subida del web service para escribir posts en el blog del portal
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9 using System.Web.Services;
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10 using System.Web.Services.Protocols;
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11 using Telerik.Blogs;
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12
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13 [WebService(Namespace = "http://tempuri.org/")]
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14 [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
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15 // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
4895116b8232 subida del web service para escribir posts en el blog del portal
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16 // [System.Web.Script.Services.ScriptService]
4895116b8232 subida del web service para escribir posts en el blog del portal
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17 public class PostWriterWebService : System.Web.Services.WebService {
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18
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19 [WebMethod]
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20 public void WriteBlogPost(string securityToken, string blogName, string postTitle, string postHtmlContent, string postAuthor, bool setPublicationDate)
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21 {
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22 checkSecurityToken(securityToken);
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23 writePost(blogName, postTitle, postHtmlContent, postAuthor, setPublicationDate);
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24 }
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25
4895116b8232 subida del web service para escribir posts en el blog del portal
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26 private void checkSecurityToken(string securityToken)
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27 {
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28 if (string.IsNullOrEmpty(securityToken)) throw new ArgumentNullException("securityToken");
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29
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30 var now = DateTime.UtcNow;
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31 now = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, 0, 0);
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32
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33 var masterKey = System.Configuration.ConfigurationManager.AppSettings["BlogWriterMasterKey"];
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34 if (string.IsNullOrEmpty(masterKey))
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35 throw new Exception("Master key not found");
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36
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37 var token1 = buildToken(masterKey, now.AddMinutes(-1));
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38 var token2 = buildToken(masterKey, now);
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39 var token3 = buildToken(masterKey, now.AddMinutes(1));
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40
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41 if (!securityToken.Equals(token1) && !securityToken.Equals(token2) && !securityToken.Equals(token3))
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42 throw new Exception("Invalid security token");
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43 }
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44
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45 private string buildToken(string key, DateTime time)
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46 {
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47 var aux = key + time.ToString(CultureInfo.InvariantCulture);
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48
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49 var enc = System.Text.Encoding.ASCII.GetEncoder();
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50
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51 var data = new byte[aux.Length];
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52 enc.GetBytes(aux.ToCharArray(), 0, aux.Length, data, 0, true);
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53
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54 var md5 = new MD5CryptoServiceProvider();
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55 var result = md5.ComputeHash(data);
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56
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57 return BitConverter.ToString(result).Replace("-", "").ToLower();
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58 }
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59
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60 private void writePost(string blogName, string postTitle, string postHtmlContent, string postAuthor, bool setPublicationDate)
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61 {
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62 if (string.IsNullOrEmpty(blogName)) throw new ArgumentNullException("blogName");
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63 if (string.IsNullOrEmpty(postTitle)) throw new ArgumentNullException("postTitle");
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64 if (string.IsNullOrEmpty(postHtmlContent)) throw new ArgumentNullException("postHtmlContent");
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65 if (string.IsNullOrEmpty(postAuthor)) throw new ArgumentNullException("postAuthor");
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66
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67 try
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68 {
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69 var manager = new BlogManager();
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70
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71 var blogs = manager.GetBlogs();
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72 var blog = (blogs.Cast<IBlog>()).SingleOrDefault(b => b.Name.Equals(blogName));
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73
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74 if (blog == null)
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75 throw new Exception(string.Format("Blog '{0}' no encontrado", blogName));
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76
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77 var postContent = manager.Content.CreateContent("text/html");
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78
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79 postContent.ParentID = blog.ID;
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80 postContent.Content = postHtmlContent;
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81 postContent.SetMetaData("Author", postAuthor);
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82 postContent.SetMetaData("Title", postTitle);
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83 if (setPublicationDate)
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84 postContent.SetMetaData("Publication_Date", DateTime.Now);
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85
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86 manager.Content.SaveContent(postContent);
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87 }
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88 catch (Exception e)
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89 {
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90 throw new Exception("Ocurrio un error creando el post", e);
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91 }
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92 }
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93 }