root / trunk / Pithos.Client.WPF / PithosAccount.cs @ e5db5351
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1 | 1955901a | Panagiotis Kanavos | // ----------------------------------------------------------------------- |
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2 | f3d080df | Panagiotis Kanavos | // <copyright file="PithosAccount.cs" company="GRNet"> |
3 | 1cf5689c | Panagiotis Kanavos | // Copyright 2011-2012 GRNET S.A. All rights reserved. |
4 | f3d080df | Panagiotis Kanavos | // |
5 | f3d080df | Panagiotis Kanavos | // Redistribution and use in source and binary forms, with or |
6 | f3d080df | Panagiotis Kanavos | // without modification, are permitted provided that the following |
7 | f3d080df | Panagiotis Kanavos | // conditions are met: |
8 | f3d080df | Panagiotis Kanavos | // |
9 | f3d080df | Panagiotis Kanavos | // 1. Redistributions of source code must retain the above |
10 | f3d080df | Panagiotis Kanavos | // copyright notice, this list of conditions and the following |
11 | f3d080df | Panagiotis Kanavos | // disclaimer. |
12 | f3d080df | Panagiotis Kanavos | // |
13 | f3d080df | Panagiotis Kanavos | // 2. Redistributions in binary form must reproduce the above |
14 | f3d080df | Panagiotis Kanavos | // copyright notice, this list of conditions and the following |
15 | f3d080df | Panagiotis Kanavos | // disclaimer in the documentation and/or other materials |
16 | f3d080df | Panagiotis Kanavos | // provided with the distribution. |
17 | f3d080df | Panagiotis Kanavos | // |
18 | f3d080df | Panagiotis Kanavos | // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
19 | f3d080df | Panagiotis Kanavos | // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
20 | f3d080df | Panagiotis Kanavos | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
21 | f3d080df | Panagiotis Kanavos | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
22 | f3d080df | Panagiotis Kanavos | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | f3d080df | Panagiotis Kanavos | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | f3d080df | Panagiotis Kanavos | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
25 | f3d080df | Panagiotis Kanavos | // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
26 | f3d080df | Panagiotis Kanavos | // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
27 | f3d080df | Panagiotis Kanavos | // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
28 | f3d080df | Panagiotis Kanavos | // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | f3d080df | Panagiotis Kanavos | // POSSIBILITY OF SUCH DAMAGE. |
30 | f3d080df | Panagiotis Kanavos | // |
31 | f3d080df | Panagiotis Kanavos | // The views and conclusions contained in the software and |
32 | f3d080df | Panagiotis Kanavos | // documentation are those of the authors and should not be |
33 | f3d080df | Panagiotis Kanavos | // interpreted as representing official policies, either expressed |
34 | f3d080df | Panagiotis Kanavos | // or implied, of GRNET S.A. |
35 | f3d080df | Panagiotis Kanavos | |
36 | 1955901a | Panagiotis Kanavos | // </copyright> |
37 | 1955901a | Panagiotis Kanavos | // ----------------------------------------------------------------------- |
38 | 1955901a | Panagiotis Kanavos | |
39 | 03ee454f | Panagiotis Kanavos | using System.IO; |
40 | 5120f3cb | Panagiotis Kanavos | using Pithos.Network; |
41 | 5120f3cb | Panagiotis Kanavos | using log4net; |
42 | 5120f3cb | Panagiotis Kanavos | |
43 | 1955901a | Panagiotis Kanavos | namespace Pithos.Client.WPF |
44 | 1955901a | Panagiotis Kanavos | { |
45 | 1955901a | Panagiotis Kanavos | using System; |
46 | 1955901a | Panagiotis Kanavos | using System.Collections.Generic; |
47 | 1955901a | Panagiotis Kanavos | using System.Linq; |
48 | 1955901a | Panagiotis Kanavos | using System.Text; |
49 | 1955901a | Panagiotis Kanavos | using System.Net; |
50 | 1955901a | Panagiotis Kanavos | using System.Threading.Tasks; |
51 | 1955901a | Panagiotis Kanavos | using System.Diagnostics.Contracts; |
52 | 1955901a | Panagiotis Kanavos | using System.Diagnostics; |
53 | 1955901a | Panagiotis Kanavos | using System.Net.Sockets; |
54 | 1955901a | Panagiotis Kanavos | |
55 | 1955901a | Panagiotis Kanavos | /// <summary> |
56 | 1955901a | Panagiotis Kanavos | /// TODO: Update summary. |
57 | 1955901a | Panagiotis Kanavos | /// </summary> |
58 | 1955901a | Panagiotis Kanavos | /// <summary> |
59 | 1955901a | Panagiotis Kanavos | /// Retrieves an account name and token from PITHOS |
60 | 1955901a | Panagiotis Kanavos | /// </summary> |
61 | 1955901a | Panagiotis Kanavos | public static class PithosAccount |
62 | 1955901a | Panagiotis Kanavos | { |
63 | 5120f3cb | Panagiotis Kanavos | private static readonly ILog Log = LogManager.GetLogger(typeof(PithosAccount)); |
64 | 5120f3cb | Panagiotis Kanavos | |
65 | 1955901a | Panagiotis Kanavos | /// <summary> |
66 | 1955901a | Panagiotis Kanavos | /// Asynchronously retrieves PITHOS credentials |
67 | 1955901a | Panagiotis Kanavos | /// </summary> |
68 | 20e9a378 | Panagiotis Kanavos | /// <param name="loginUrl">URL to retrieve the account info from PITHOS. Must end with =</param> |
69 | 1955901a | Panagiotis Kanavos | /// <returns>The credentials wrapped in a Task</returns> |
70 | 03ee454f | Panagiotis Kanavos | public static Task<NetworkCredential> RetrieveCredentials(string loginUrl) |
71 | 1955901a | Panagiotis Kanavos | { |
72 | 20e9a378 | Panagiotis Kanavos | Contract.Requires(Uri.IsWellFormedUriString(loginUrl, UriKind.Absolute)); |
73 | 1955901a | Panagiotis Kanavos | |
74 | 20e9a378 | Panagiotis Kanavos | if (!Uri.IsWellFormedUriString(loginUrl, UriKind.Absolute)) |
75 | 20e9a378 | Panagiotis Kanavos | throw new ArgumentException("The pithosSite parameter must be a valid absolute URL", "loginUrl"); |
76 | 1955901a | Panagiotis Kanavos | |
77 | 1955901a | Panagiotis Kanavos | int port = GetFreePort(); |
78 | 28076364 | Panagiotis Kanavos | |
79 | 28076364 | Panagiotis Kanavos | //TODO:Force logout here to take care of existing cookies |
80 | 1955901a | Panagiotis Kanavos | |
81 | 1955901a | Panagiotis Kanavos | |
82 | 1955901a | Panagiotis Kanavos | var listenerUrl = String.Format("http://127.0.0.1:{0}/", port); |
83 | 1955901a | Panagiotis Kanavos | |
84 | 03ee454f | Panagiotis Kanavos | |
85 | 1955901a | Panagiotis Kanavos | |
86 | 03ee454f | Panagiotis Kanavos | var receiveCredentials = ListenForRedirectAsync(port); |
87 | 03ee454f | Panagiotis Kanavos | |
88 | 03ee454f | Panagiotis Kanavos | var uriBuilder=new UriBuilder(loginUrl); |
89 | 03ee454f | Panagiotis Kanavos | uriBuilder.Query="next=" + listenerUrl; |
90 | 03ee454f | Panagiotis Kanavos | |
91 | 03ee454f | Panagiotis Kanavos | var retrieveUri = uriBuilder.Uri; |
92 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Open Browser at {0}", retrieveUri); |
93 | 03ee454f | Panagiotis Kanavos | Process.Start(retrieveUri.ToString()); |
94 | 03ee454f | Panagiotis Kanavos | |
95 | 03ee454f | Panagiotis Kanavos | return receiveCredentials; |
96 | 03ee454f | Panagiotis Kanavos | } |
97 | 03ee454f | Panagiotis Kanavos | |
98 | 34bdb91d | Panagiotis Kanavos | /* |
99 | 03ee454f | Panagiotis Kanavos | private static async Task<NetworkCredential> ListenHttpForRedirectAsync(string listenerUrl) |
100 | 03ee454f | Panagiotis Kanavos | { |
101 | 03ee454f | Panagiotis Kanavos | using (var listener = new HttpListener()) |
102 | 03ee454f | Panagiotis Kanavos | { |
103 | 03ee454f | Panagiotis Kanavos | listener.Prefixes.Add(listenerUrl); |
104 | 03ee454f | Panagiotis Kanavos | |
105 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Listening at {0}", listenerUrl); |
106 | 1955901a | Panagiotis Kanavos | |
107 | 1955901a | Panagiotis Kanavos | |
108 | 03ee454f | Panagiotis Kanavos | try |
109 | 1955901a | Panagiotis Kanavos | { |
110 | 03ee454f | Panagiotis Kanavos | listener.Start(); |
111 | 1955901a | Panagiotis Kanavos | |
112 | 03ee454f | Panagiotis Kanavos | var context = await listener.GetContextAsync() |
113 | 03ee454f | Panagiotis Kanavos | .WithTimeout(TimeSpan.FromMinutes(5)); |
114 | 1955901a | Panagiotis Kanavos | |
115 | 03ee454f | Panagiotis Kanavos | var request = context.Request; |
116 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Got Connection {0}", request.RawUrl); |
117 | 03ee454f | Panagiotis Kanavos | |
118 | 03ee454f | Panagiotis Kanavos | var query = request.QueryString; |
119 | 03ee454f | Panagiotis Kanavos | var userName = query["user"]; |
120 | 03ee454f | Panagiotis Kanavos | var token = query["token"]; |
121 | 03ee454f | Panagiotis Kanavos | if (String.IsNullOrWhiteSpace(userName) || |
122 | 03ee454f | Panagiotis Kanavos | String.IsNullOrWhiteSpace(token)) |
123 | 03ee454f | Panagiotis Kanavos | { |
124 | 03ee454f | Panagiotis Kanavos | Respond(context, "Failure", "The server did not return a username or token"); |
125 | 03ee454f | Panagiotis Kanavos | Log.ErrorFormat("[RETRIEVE] No credentials returned by server"); |
126 | 03ee454f | Panagiotis Kanavos | throw new Exception("The server did not return a username or token"); |
127 | 1955901a | Panagiotis Kanavos | } |
128 | 03ee454f | Panagiotis Kanavos | else |
129 | 1955901a | Panagiotis Kanavos | { |
130 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Credentials retrieved user:{0} token:{1}", userName, token); |
131 | 03ee454f | Panagiotis Kanavos | Respond(context, "Authenticated", "Got It"); |
132 | 03ee454f | Panagiotis Kanavos | |
133 | 03ee454f | Panagiotis Kanavos | return new NetworkCredential(userName, token); |
134 | 1955901a | Panagiotis Kanavos | } |
135 | 03ee454f | Panagiotis Kanavos | } |
136 | 03ee454f | Panagiotis Kanavos | catch (Exception exc) |
137 | 03ee454f | Panagiotis Kanavos | { |
138 | 03ee454f | Panagiotis Kanavos | Log.Error("[RETRIEVE][ERROR] Receive connection {0}", exc); |
139 | 03ee454f | Panagiotis Kanavos | throw; |
140 | 03ee454f | Panagiotis Kanavos | } |
141 | 03ee454f | Panagiotis Kanavos | } |
142 | 03ee454f | Panagiotis Kanavos | } |
143 | 34bdb91d | Panagiotis Kanavos | */ |
144 | 1955901a | Panagiotis Kanavos | |
145 | 03ee454f | Panagiotis Kanavos | private static async Task<NetworkCredential> ListenForRedirectAsync(int port) |
146 | 03ee454f | Panagiotis Kanavos | { |
147 | 03ee454f | Panagiotis Kanavos | var listener = new TcpListener(IPAddress.Any, port); |
148 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Listening at {0}", port); |
149 | 1955901a | Panagiotis Kanavos | |
150 | 03ee454f | Panagiotis Kanavos | try |
151 | 03ee454f | Panagiotis Kanavos | { |
152 | 03ee454f | Panagiotis Kanavos | listener.Start(); |
153 | 1955901a | Panagiotis Kanavos | |
154 | 03ee454f | Panagiotis Kanavos | using (var client = await listener.AcceptTcpClientAsync() |
155 | 03ee454f | Panagiotis Kanavos | .WithTimeout(TimeSpan.FromMinutes(5))) |
156 | 03ee454f | Panagiotis Kanavos | { |
157 | 03ee454f | Panagiotis Kanavos | using (var stream = client.GetStream()) |
158 | 03ee454f | Panagiotis Kanavos | using (var reader=new StreamReader(stream)) |
159 | 03ee454f | Panagiotis Kanavos | { |
160 | 03ee454f | Panagiotis Kanavos | var request = await reader.ReadLineAsync(); |
161 | 1a3dfbfd | Panagiotis Kanavos | //BUG |
162 | 1a3dfbfd | Panagiotis Kanavos | //TODO: Add proper warnings here if the content is empty, don't just throw an exception |
163 | 1a3dfbfd | Panagiotis Kanavos | //This may be a common occurence |
164 | 1a3dfbfd | Panagiotis Kanavos | |
165 | 1a3dfbfd | Panagiotis Kanavos | if (String.IsNullOrWhiteSpace(request)) |
166 | 34bdb91d | Panagiotis Kanavos | throw new PithosException("The server did send any information"); |
167 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Got Connection {0}", request); |
168 | 03ee454f | Panagiotis Kanavos | |
169 | 03ee454f | Panagiotis Kanavos | |
170 | 28076364 | Panagiotis Kanavos | var items = ParseResponse(request); |
171 | 03ee454f | Panagiotis Kanavos | |
172 | 03ee454f | Panagiotis Kanavos | var userName = items["user"]; |
173 | 03ee454f | Panagiotis Kanavos | var token = items["token"]; |
174 | 03ee454f | Panagiotis Kanavos | if (String.IsNullOrWhiteSpace(userName) || |
175 | 03ee454f | Panagiotis Kanavos | String.IsNullOrWhiteSpace(token)) |
176 | 03ee454f | Panagiotis Kanavos | { |
177 | 03ee454f | Panagiotis Kanavos | Respond(stream, "Failure", "The server did not return a username or token"); |
178 | 03ee454f | Panagiotis Kanavos | Log.ErrorFormat("[RETRIEVE] No credentials returned by server"); |
179 | 34bdb91d | Panagiotis Kanavos | throw new PithosException("The server did not return a username or token"); |
180 | 03ee454f | Panagiotis Kanavos | } |
181 | 03ee454f | Panagiotis Kanavos | else |
182 | 03ee454f | Panagiotis Kanavos | { |
183 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Credentials retrieved user:{0} token:{1}", userName, token); |
184 | 03ee454f | Panagiotis Kanavos | Respond(stream, "Authenticated", "Got It"); |
185 | 03ee454f | Panagiotis Kanavos | } |
186 | 03ee454f | Panagiotis Kanavos | return new NetworkCredential(userName, token); |
187 | 03ee454f | Panagiotis Kanavos | } |
188 | 03ee454f | Panagiotis Kanavos | } |
189 | 03ee454f | Panagiotis Kanavos | } |
190 | 03ee454f | Panagiotis Kanavos | catch (Exception exc) |
191 | 03ee454f | Panagiotis Kanavos | { |
192 | 03ee454f | Panagiotis Kanavos | Log.Error("[RETRIEVE][ERROR] Receive connection {0}", exc); |
193 | 34bdb91d | Panagiotis Kanavos | throw new PithosException("An error occured while retrieving credentials",exc); |
194 | 03ee454f | Panagiotis Kanavos | } |
195 | 1955901a | Panagiotis Kanavos | } |
196 | 1955901a | Panagiotis Kanavos | |
197 | 28076364 | Panagiotis Kanavos | private static Dictionary<string, string> ParseResponse(string request) |
198 | 28076364 | Panagiotis Kanavos | { |
199 | 28076364 | Panagiotis Kanavos | var parts = request.Split(' '); |
200 | 28076364 | Panagiotis Kanavos | var query = parts[1].TrimStart('/', '?'); |
201 | 28076364 | Panagiotis Kanavos | |
202 | 28076364 | Panagiotis Kanavos | var items = query.Split('&') |
203 | 28076364 | Panagiotis Kanavos | .Select(pair => pair.Split('=')) |
204 | 28076364 | Panagiotis Kanavos | .ToDictionary(arr => arr[0].ToLower(), arr => Uri.UnescapeDataString(arr[1])); |
205 | 28076364 | Panagiotis Kanavos | return items; |
206 | 28076364 | Panagiotis Kanavos | } |
207 | 03ee454f | Panagiotis Kanavos | |
208 | 03ee454f | Panagiotis Kanavos | |
209 | 437abfca | Panagiotis Kanavos | private static void Respond(HttpListenerContext context,string title,string message) |
210 | 1955901a | Panagiotis Kanavos | { |
211 | 1955901a | Panagiotis Kanavos | var response = context.Response; |
212 | 437abfca | Panagiotis Kanavos | var html = String.Format("<html><head><title>{0}</title></head><body><h1>{1}</h1></body></html>", title, message); |
213 | 437abfca | Panagiotis Kanavos | var outBuffer = Encoding.UTF8.GetBytes(html); |
214 | 1955901a | Panagiotis Kanavos | response.ContentLength64 = outBuffer.Length; |
215 | 1955901a | Panagiotis Kanavos | using (var stream = response.OutputStream) |
216 | 1955901a | Panagiotis Kanavos | { |
217 | 1955901a | Panagiotis Kanavos | stream.Write(outBuffer, 0, outBuffer.Length); |
218 | 1955901a | Panagiotis Kanavos | } |
219 | 1955901a | Panagiotis Kanavos | |
220 | 5120f3cb | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Responded"); |
221 | 1955901a | Panagiotis Kanavos | } |
222 | 03ee454f | Panagiotis Kanavos | |
223 | 03ee454f | Panagiotis Kanavos | private static void Respond(Stream stream,string title,string message) |
224 | 03ee454f | Panagiotis Kanavos | { |
225 | 03ee454f | Panagiotis Kanavos | |
226 | 03ee454f | Panagiotis Kanavos | var html = String.Format("<html><head><title>{0}</title></head><body><h1>{1}</h1></body></html>", title, message); |
227 | 03ee454f | Panagiotis Kanavos | |
228 | 03ee454f | Panagiotis Kanavos | var response = new StringBuilder(); |
229 | 03ee454f | Panagiotis Kanavos | response.AppendLine("HTTP/1.1 200 OK"); |
230 | 03ee454f | Panagiotis Kanavos | response.AppendFormat("Content-Length: {0}\n", html.Length); |
231 | 03ee454f | Panagiotis Kanavos | response.AppendLine("Server: Microsoft-HTTPAPI/2.0"); |
232 | 03ee454f | Panagiotis Kanavos | response.AppendFormat("Date: {0}\n\n", DateTime.UtcNow); |
233 | 03ee454f | Panagiotis Kanavos | response.AppendLine(html); |
234 | 03ee454f | Panagiotis Kanavos | |
235 | 03ee454f | Panagiotis Kanavos | var outBuffer=Encoding.UTF8.GetBytes(response.ToString()); |
236 | 03ee454f | Panagiotis Kanavos | |
237 | 03ee454f | Panagiotis Kanavos | stream.Write(outBuffer, 0, outBuffer.Length); |
238 | 03ee454f | Panagiotis Kanavos | |
239 | 03ee454f | Panagiotis Kanavos | Log.InfoFormat("[RETRIEVE] Responded"); |
240 | 03ee454f | Panagiotis Kanavos | } |
241 | 03ee454f | Panagiotis Kanavos | |
242 | 03ee454f | Panagiotis Kanavos | |
243 | 1955901a | Panagiotis Kanavos | /// <summary> |
244 | 1955901a | Panagiotis Kanavos | /// Locates a free local port |
245 | 1955901a | Panagiotis Kanavos | /// </summary> |
246 | 1955901a | Panagiotis Kanavos | /// <returns>A free port</returns> |
247 | 1955901a | Panagiotis Kanavos | /// <remarks>The method starts and stops a TcpListener on port 0 to locate a free port.</remarks> |
248 | 1955901a | Panagiotis Kanavos | public static int GetFreePort() |
249 | 1955901a | Panagiotis Kanavos | { |
250 | 1955901a | Panagiotis Kanavos | //The TcpListener will locate a free port |
251 | 1955901a | Panagiotis Kanavos | var listener = new TcpListener(IPAddress.Any, 0); |
252 | 1955901a | Panagiotis Kanavos | listener.Start(); |
253 | 1955901a | Panagiotis Kanavos | var port = ((IPEndPoint)listener.LocalEndpoint).Port; |
254 | 1955901a | Panagiotis Kanavos | listener.Stop(); |
255 | 1955901a | Panagiotis Kanavos | return port; |
256 | 1955901a | Panagiotis Kanavos | } |
257 | 1955901a | Panagiotis Kanavos | } |
258 | 1955901a | Panagiotis Kanavos | } |