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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.Collections.Generic;
30 using System.IO;
31 using System.Net;
32 using System.Reflection;
33 using System.Text;
34 using log4net;
35 using Nini.Config;
36 using NUnit.Framework;
37 using OpenMetaverse;
38 using OpenSim.Framework;
39 using OpenSim.Framework.Servers;
40 using OpenSim.Framework.Servers.HttpServer;
41 using OpenSim.Region.CoreModules.Scripting.LSLHttp;
42 using OpenSim.Region.Framework.Scenes;
43 using OpenSim.Region.ScriptEngine.Shared;
44 using OpenSim.Region.ScriptEngine.Shared.Api;
45 using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
46 using OpenSim.Services.Interfaces;
47 using OpenSim.Tests.Common;
48 using OpenSim.Tests.Common.Mock;
49  
50 namespace OpenSim.Region.ScriptEngine.Shared.Tests
51 {
52 /// <summary>
53 /// Tests for HTTP related functions in LSL
54 /// </summary>
55 [TestFixture]
56 public class LSL_ApiHttpTests : OpenSimTestCase
57 {
58 private Scene m_scene;
59 private MockScriptEngine m_engine;
60 private UrlModule m_urlModule;
61  
62 private TaskInventoryItem m_scriptItem;
63 private LSL_Api m_lslApi;
64  
65 [TestFixtureSetUp]
66 public void TestFixtureSetUp()
67 {
68 // Don't allow tests to be bamboozled by asynchronous events. Execute everything on the same thread.
69 Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
70 }
71  
72 [TestFixtureTearDown]
73 public void TestFixureTearDown()
74 {
75 // We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
76 // threads. Possibly, later tests should be rewritten so none of them require async stuff (which regression
77 // tests really shouldn't).
78 Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
79 }
80  
81 [SetUp]
82 public override void SetUp()
83 {
84 base.SetUp();
85  
86 // This is an unfortunate bit of clean up we have to do because MainServer manages things through static
87 // variables and the VM is not restarted between tests.
88 uint port = 9999;
89 MainServer.RemoveHttpServer(port);
90  
91 BaseHttpServer server = new BaseHttpServer(port, false, 0, "");
92 MainServer.AddHttpServer(server);
93 MainServer.Instance = server;
94  
95 server.Start();
96  
97 m_engine = new MockScriptEngine();
98 m_urlModule = new UrlModule();
99  
100 m_scene = new SceneHelpers().SetupScene();
101 SceneHelpers.SetupSceneModules(m_scene, new IniConfigSource(), m_engine, m_urlModule);
102  
103 SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
104 m_scriptItem = TaskInventoryHelpers.AddScript(m_scene, so.RootPart);
105  
106 // This is disconnected from the actual script - the mock engine does not set up any LSL_Api atm.
107 // Possibly this could be done and we could obtain it directly from the MockScriptEngine.
108 m_lslApi = new LSL_Api();
109 m_lslApi.Initialize(m_engine, so.RootPart, m_scriptItem, null);
110 }
111  
112 [TearDown]
113 public void TearDown()
114 {
115 MainServer.Instance.Stop();
116 }
117  
118 [Test]
119 public void TestLlReleaseUrl()
120 {
121 TestHelpers.InMethod();
122  
123 m_lslApi.llRequestURL();
124 string returnedUri = m_engine.PostedEvents[m_scriptItem.ItemID][0].Params[2].ToString();
125  
126 {
127 // Check that the initial number of URLs is correct
128 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls - 1));
129 }
130  
131 {
132 // Check releasing a non-url
133 m_lslApi.llReleaseURL("GARBAGE");
134 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls - 1));
135 }
136  
137 {
138 // Check releasing a non-existing url
139 m_lslApi.llReleaseURL("http://example.com");
140 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls - 1));
141 }
142  
143 {
144 // Check URL release
145 m_lslApi.llReleaseURL(returnedUri);
146 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls));
147  
148 HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(returnedUri);
149  
150 bool gotExpectedException = false;
151  
152 try
153 {
154 using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse())
155 {}
156 }
157 catch (WebException e)
158 {
159 using (HttpWebResponse response = (HttpWebResponse)e.Response)
160 gotExpectedException = response.StatusCode == HttpStatusCode.NotFound;
161 }
162  
163 Assert.That(gotExpectedException, Is.True);
164 }
165  
166 {
167 // Check releasing the same URL again
168 m_lslApi.llReleaseURL(returnedUri);
169 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls));
170 }
171 }
172  
173 [Test]
174 public void TestLlRequestUrl()
175 {
176 TestHelpers.InMethod();
177  
178 string requestId = m_lslApi.llRequestURL();
179 Assert.That(requestId, Is.Not.EqualTo(UUID.Zero.ToString()));
180 string returnedUri;
181  
182 {
183 // Check that URL is correctly set up
184 Assert.That(m_lslApi.llGetFreeURLs().value, Is.EqualTo(m_urlModule.TotalUrls - 1));
185  
186 Assert.That(m_engine.PostedEvents.ContainsKey(m_scriptItem.ItemID));
187  
188 List<EventParams> events = m_engine.PostedEvents[m_scriptItem.ItemID];
189 Assert.That(events.Count, Is.EqualTo(1));
190 EventParams eventParams = events[0];
191 Assert.That(eventParams.EventName, Is.EqualTo("http_request"));
192  
193 UUID returnKey;
194 string rawReturnKey = eventParams.Params[0].ToString();
195 string method = eventParams.Params[1].ToString();
196 returnedUri = eventParams.Params[2].ToString();
197  
198 Assert.That(UUID.TryParse(rawReturnKey, out returnKey), Is.True);
199 Assert.That(method, Is.EqualTo(ScriptBaseClass.URL_REQUEST_GRANTED));
200 Assert.That(Uri.IsWellFormedUriString(returnedUri, UriKind.Absolute), Is.True);
201 }
202  
203 {
204 // Check that request to URL works.
205 string testResponse = "Hello World";
206  
207 m_engine.ClearPostedEvents();
208 m_engine.PostEventHook
209 += (itemId, evp) => m_lslApi.llHTTPResponse(evp.Params[0].ToString(), 200, testResponse);
210  
211 // Console.WriteLine("Trying {0}", returnedUri);
212  
213 AssertHttpResponse(returnedUri, testResponse);
214  
215 Assert.That(m_engine.PostedEvents.ContainsKey(m_scriptItem.ItemID));
216  
217 List<EventParams> events = m_engine.PostedEvents[m_scriptItem.ItemID];
218 Assert.That(events.Count, Is.EqualTo(1));
219 EventParams eventParams = events[0];
220 Assert.That(eventParams.EventName, Is.EqualTo("http_request"));
221  
222 UUID returnKey;
223 string rawReturnKey = eventParams.Params[0].ToString();
224 string method = eventParams.Params[1].ToString();
225 string body = eventParams.Params[2].ToString();
226  
227 Assert.That(UUID.TryParse(rawReturnKey, out returnKey), Is.True);
228 Assert.That(method, Is.EqualTo("GET"));
229 Assert.That(body, Is.EqualTo(""));
230 }
231 }
232  
233 private void AssertHttpResponse(string uri, string expectedResponse)
234 {
235 HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
236  
237 using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse())
238 {
239 using (Stream stream = webResponse.GetResponseStream())
240 {
241 using (StreamReader reader = new StreamReader(stream))
242 {
243 Assert.That(reader.ReadToEnd(), Is.EqualTo(expectedResponse));
244 }
245 }
246 }
247 }
248 }
249 }