UrlToken.cs
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33 
34 using Newtonsoft.Json;
35 using Newtonsoft.Json.Bson;
36 using System;
37 using System.Collections.Generic;
38 using System.IO;
39 using System.IO.Compression;
40 using System.Linq;
41 using System.Text;
42 using System.Threading.Tasks;
43 using System.Web;
44 
45 namespace Microsoft.Bot.Builder.Dialogs
46 {
55  public static class UrlToken
56  {
63  public static string Encode<T>(T item)
64  {
65  using (var memory = new MemoryStream())
66  {
67  using (var gzip = new GZipStream(memory, CompressionMode.Compress))
68  using (var writer = new BsonWriter(gzip))
69  {
70  var serializer = JsonSerializer.CreateDefault();
71  serializer.Serialize(writer, item);
72  }
73  var token = HttpServerUtility.UrlTokenEncode(memory.ToArray());
74  return token;
75  }
76  }
77 
84  public static T Decode<T>(string token)
85  {
86  var buffer = HttpServerUtility.UrlTokenDecode(token);
87  using (var memory = new MemoryStream(buffer))
88  using (var gzip = new GZipStream(memory, CompressionMode.Decompress))
89  using (var reader = new BsonReader(gzip))
90  {
91  var serializer = JsonSerializer.CreateDefault();
92  var item = serializer.Deserialize<T>(reader);
93  return item;
94  }
95  }
96  }
97 }
Allow object instances to serialized to URLs. Base64 can not be stored in URLs due to special charact...
Definition: UrlToken.cs:55