Add the skeleton of the authentication connector and the forms data requester

OpenSim/Framework/Servers/HttpServer/SynchronousRestFormsRequester.cs

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+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Xml;
+using System.Xml.Serialization;
+
+namespace OpenSim.Framework.Servers.HttpServer
+{
+    public class SynchronousRestFormsRequester
+    {
+        /// <summary>
+        /// Perform a synchronous REST request.
+        /// </summary>
+        /// <param name="verb"></param>
+        /// <param name="requestUrl"></param>
+        /// <param name="obj"> </param>
+        /// <returns></returns>
+        ///
+        /// <exception cref="System.Net.WebException">Thrown if we encounter a network issue while posting
+        /// the request.  You'll want to make sure you deal with this as they're not uncommon</exception>
+        public static string MakeRequest(string verb, string requestUrl, string obj)
+        {
+            WebRequest request = WebRequest.Create(requestUrl);
+            request.Method = verb;
+
+            if ((verb == "POST") || (verb == "PUT"))
+            {
+                request.ContentType = "text/www-form-urlencoded";
+
+                MemoryStream buffer = new MemoryStream();
+
+                using (StreamWriter writer = new StreamWriter(buffer))
+                {
+                    writer.WriteLine(obj);
+                    writer.Flush();
+                }
+
+                int length = (int) buffer.Length;
+                request.ContentLength = length;
+
+                Stream requestStream = request.GetRequestStream();
+                requestStream.Write(buffer.ToArray(), 0, length);
+            }
+
+            string respstring = String.Empty;
+
+            try
+            {
+                using (WebResponse resp = request.GetResponse())
+                {
+                    if (resp.ContentLength > 0)
+                    {
+                        using (StreamReader reader = new StreamReader(resp.GetResponseStream()))
+                        {
+                            respstring = reader.ReadToEnd();
+                        }
+                    }
+                }
+            }
+            catch (System.InvalidOperationException)
+            {
+                // This is what happens when there is invalid XML
+            }
+            return respstring;
+        }
+    }
+}