4 files changed, 362 insertions, 3 deletions

diff --git a/OpenSim/Framework/Servers/HttpServer/SynchronousRestFormsRequester.cs b/OpenSim/Framework/Servers/HttpServer/SynchronousRestFormsRequester.cs
new file mode 100644
index 0000000..0f0c790
--- /dev/null
+++ b/OpenSim/Framework/Servers/HttpServer/SynchronousRestFormsRequester.cs
@@ -0,0 +1,95 @@
+/*
+ * 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;
+        }
+    }
+}
diff --git a/OpenSim/Server/Base/ServerUtils.cs b/OpenSim/Server/Base/ServerUtils.cs
index 0a36bbe..6c2b3ed 100644
--- a/OpenSim/Server/Base/ServerUtils.cs
+++ b/OpenSim/Server/Base/ServerUtils.cs
@@ -183,5 +183,119 @@ namespace OpenSim.Server.Base
 
             return result;
         }
+
+        public static string BuildQueryString(Dictionary<string, string> data)
+        {
+            string qstring = String.Empty;
+
+            foreach(KeyValuePair<string, string> kvp in data)
+            {
+                string part;
+                if (kvp.Value != String.Empty)
+                {
+                    part = System.Web.HttpUtility.UrlEncode(kvp.Key) +
+                            "=" + System.Web.HttpUtility.UrlEncode(kvp.Value);
+                }
+                else
+                {
+                    part = System.Web.HttpUtility.UrlEncode(kvp.Key);
+                }
+
+                if (qstring != String.Empty)
+                    qstring += "&";
+
+                qstring += part;
+            }
+
+            return qstring;
+        }
+
+        public static string BuildXmlResponse(Dictionary<string, object> data)
+        {
+            XmlDocument doc = new XmlDocument();
+
+            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
+                    "", "");
+
+            doc.AppendChild(xmlnode);
+
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
+                    "");
+
+            doc.AppendChild(rootElement);
+
+            BuildXmlData(rootElement, data);
+
+            return doc.InnerXml;
+        }
+
+        private static void BuildXmlData(XmlElement parent, Dictionary<string, object> data)
+        {
+            foreach (KeyValuePair<string, object> kvp in data)
+            {
+                XmlElement elem = parent.OwnerDocument.CreateElement("",
+                        kvp.Key, "");
+
+                if (kvp.Value is Dictionary<string, object>)
+                {
+                    XmlAttribute type = parent.OwnerDocument.CreateAttribute("",
+                        "type", "");
+                    type.Value = "List";
+
+                    elem.Attributes.Append(type);
+
+                    BuildXmlData(elem, (Dictionary<string, object>)kvp.Value);
+                }
+                else
+                {
+                    elem.AppendChild(parent.OwnerDocument.CreateTextNode(
+                            kvp.Value.ToString()));
+                }
+
+                parent.AppendChild(elem);
+            }
+        }
+
+        public static Dictionary<string, object> ParseXmlResponse(string data)
+        {
+            Dictionary<string, object> ret = new Dictionary<string, object>();
+
+            XmlDocument doc = new XmlDocument();
+
+            doc.LoadXml(data);
+            
+            XmlNodeList rootL = doc.GetElementsByTagName("ServerResponse");
+
+            if (rootL.Count != 1)
+                return ret;
+
+            XmlNode rootNode = rootL[0];
+
+            ret = ParseElement(rootNode);
+
+            return ret;
+        }
+
+        private static Dictionary<string, object> ParseElement(XmlNode element)
+        {
+            Dictionary<string, object> ret = new Dictionary<string, object>();
+
+            XmlNodeList partL = element.ChildNodes;
+
+            foreach (XmlNode part in partL)
+            {
+                XmlNode type = part.Attributes.GetNamedItem("Type");
+                if (type == null || type.Value != "List")
+                {
+                    ret[part.Name] = part.InnerText;
+                }
+                else
+                {
+                    ret[part.Name] = ParseElement(part);
+                }
+            }
+
+            return ret;
+        }
     }
 }
diff --git a/OpenSim/Server/Handlers/Authentication/AuthenticationServerPostHandler.cs b/OpenSim/Server/Handlers/Authentication/AuthenticationServerPostHandler.cs
index 6cf7d56..490a13a 100644
--- a/OpenSim/Server/Handlers/Authentication/AuthenticationServerPostHandler.cs
+++ b/OpenSim/Server/Handlers/Authentication/AuthenticationServerPostHandler.cs
@@ -157,7 +157,7 @@ namespace OpenSim.Server.Handlers.Authentication
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "Authentication",
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
                     "");
 
             doc.AppendChild(rootElement);
@@ -179,7 +179,7 @@ namespace OpenSim.Server.Handlers.Authentication
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "Authentication",
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
                     "");
 
             doc.AppendChild(rootElement);
@@ -201,7 +201,7 @@ namespace OpenSim.Server.Handlers.Authentication
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "Authentication",
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
                     "");
 
             doc.AppendChild(rootElement);
diff --git a/OpenSim/Services/Connectors/Authentication/AuthenticationServiceConnector.cs b/OpenSim/Services/Connectors/Authentication/AuthenticationServiceConnector.cs
new file mode 100644
index 0000000..50e817e
--- /dev/null
+++ b/OpenSim/Services/Connectors/Authentication/AuthenticationServiceConnector.cs
@@ -0,0 +1,150 @@
+/*
+ * 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 log4net;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Services.Interfaces;
+using OpenSim.Server.Base;
+using OpenMetaverse;
+
+namespace OpenSim.Services.Connectors
+{
+    public class AuthenticationServicesConnector : IAuthenticationService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_ServerURI = String.Empty;
+
+        public AuthenticationServicesConnector()
+        {
+        }
+
+        public AuthenticationServicesConnector(string serverURI)
+        {
+            m_ServerURI = serverURI.TrimEnd('/');
+        }
+
+        public AuthenticationServicesConnector(IConfigSource source)
+        {
+            Initialise(source);
+        }
+
+        public virtual void Initialise(IConfigSource source)
+        {
+            IConfig assetConfig = source.Configs["AuthenticationService"];
+            if (assetConfig == null)
+            {
+                m_log.Error("[USER CONNECTOR]: AuthenticationService missing from OpanSim.ini");
+                throw new Exception("Authentication connector init error");
+            }
+
+            string serviceURI = assetConfig.GetString("AuthenticationServerURI",
+                    String.Empty);
+
+            if (serviceURI == String.Empty)
+            {
+                m_log.Error("[USER CONNECTOR]: No Server URI named in section AuthenticationService");
+                throw new Exception("Authentication connector init error");
+            }
+            m_ServerURI = serviceURI;
+        }
+
+        public string Authenticate(UUID principalID, string password, int lifetime)
+        {
+            Dictionary<string, string> sendData = new Dictionary<string, string>();
+            sendData["LIFETIME"] = lifetime.ToString();
+            sendData["PRINCIPAL"] = principalID.ToString();
+            sendData["PASSWORD"] = password;
+
+            sendData["METHOD"] = "authenticate";
+
+            string reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                    m_ServerURI + "/auth/plain",
+                    ServerUtils.BuildQueryString(sendData));
+
+            Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
+                    reply);
+
+            if (replyData["Result"].ToString() != "Success")
+                return String.Empty;
+
+            return replyData["Token"].ToString();
+        }
+
+        public bool Verify(UUID principalID, string token, int lifetime)
+        {
+            Dictionary<string, string> sendData = new Dictionary<string, string>();
+            sendData["LIFETIME"] = lifetime.ToString();
+            sendData["PRINCIPAL"] = principalID.ToString();
+            sendData["TOKEN"] = token;
+
+            sendData["METHOD"] = "verify";
+
+            string reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                    m_ServerURI + "/auth/plain",
+                    ServerUtils.BuildQueryString(sendData));
+
+            Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
+                    reply);
+
+            if (replyData["Result"].ToString() != "Success")
+                return false;
+
+            return true;
+        }
+
+        public bool Release(UUID principalID, string token)
+        {
+            Dictionary<string, string> sendData = new Dictionary<string, string>();
+            sendData["PRINCIPAL"] = principalID.ToString();
+            sendData["TOKEN"] = token;
+
+            sendData["METHOD"] = "release";
+
+            string reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                    m_ServerURI + "/auth/plain",
+                    ServerUtils.BuildQueryString(sendData));
+
+            Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
+                    reply);
+
+            if (replyData["Result"].ToString() != "Success")
+                return false;
+
+            return true;
+        }
+    }
+}