add SimpleBinaryHandler

OpenSim/Framework/Servers/HttpServer/Interfaces/IStreamHandler.cs

@@ -104,4 +104,5 @@ namespace OpenSim.Framework.Servers.HttpServer
 
     public delegate void SimpleStreamMethod(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse);
     public delegate void SimpleOSDMapMethod(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse, OSDMap args);
+    public delegate void SimpleBinaryMethod(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse, byte[] data);
 }

OpenSim/Framework/Servers/HttpServer/SimpleBinaryHandler.cs

@@ -0,0 +1,163 @@
+/*
+ * 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.Net;
+using System.IO;
+using OpenSim.Framework.ServiceAuth;
+using OpenMetaverse.StructuredData;
+
+namespace OpenSim.Framework.Servers.HttpServer
+{
+    /// <summary>
+    /// simple OSD streamed request handler.
+    /// for well defined simple uri paths, single http method and a OSDMap encoded body
+    /// </summary>
+    /// <remarks>
+    /// Inheriting classes should override ProcessRequest() rather than Handle()
+    /// </remarks>
+    public class SimpleBinaryHandler : SimpleBaseRequestHandler, ISimpleStreamHandler
+    {
+        protected string m_httMethod;
+        protected IServiceAuth m_Auth;
+        protected SimpleBinaryMethod m_processRequest;
+        protected int m_maxDatasize = -1;
+
+        public SimpleBinaryHandler(string httpmethod, string path) : base(path)
+        {
+            m_httMethod = httpmethod.ToUpper();
+        }
+        public SimpleBinaryHandler(string httpmethod, string path, string name) : base(path, name)
+        {
+            m_httMethod = httpmethod.ToUpper();
+        }
+        public SimpleBinaryHandler(string httpmethod, string path, SimpleBinaryMethod processRequest) : base(path)
+        {
+            m_httMethod = httpmethod.ToUpper();
+            m_processRequest = processRequest;
+        }
+        public SimpleBinaryHandler(string httpmethod, string path, SimpleBinaryMethod processRequest, string name) : base(path, name)
+        {
+            m_httMethod = httpmethod.ToUpper();
+            m_processRequest = processRequest;
+        }
+
+        public SimpleBinaryHandler(string httpmethod, string path, IServiceAuth auth) : base(path)
+        {
+            m_httMethod = httpmethod.ToUpper();
+            m_Auth = auth;
+        }
+
+        public SimpleBinaryHandler(string httpmethod, string path, IServiceAuth auth, SimpleBinaryMethod processRequest)
+            : base(path)
+        {
+            m_httMethod = httpmethod.ToUpper();
+            m_Auth = auth;
+            m_processRequest = processRequest;
+        }
+
+        public SimpleBinaryHandler(string httpmethod, string path, IServiceAuth auth, SimpleBinaryMethod processRequest, string name)
+            : base(path, name)
+        {
+            m_httMethod = httpmethod.ToUpper();
+            m_Auth = auth;
+            m_processRequest = processRequest;
+        }
+
+        public virtual void Handle(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        {
+            RequestsReceived++;
+            if(httpRequest.HttpMethod != m_httMethod)
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.NotFound;
+                return;
+            }
+
+            if (httpRequest.InputStream == null || httpRequest.InputStream.Length == 0)
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.BadRequest;
+                return;
+            }
+
+            if (m_maxDatasize > 0 && httpRequest.InputStream.Length > m_maxDatasize)
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.RequestEntityTooLarge;
+                return;
+            }
+
+            byte[] data;
+            try
+            {
+                Stream request = httpRequest.InputStream;
+                if (request is MemoryStream)
+                    data = ((MemoryStream)request).ToArray();
+                else
+                {
+                    request.Seek(0, SeekOrigin.Begin);
+                    using (MemoryStream ms = new MemoryStream((int)request.Length))
+                    {
+                        request.CopyTo(ms);
+                        data = ms.ToArray();
+                    }
+                }
+                request.Dispose();
+            }
+            catch
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.BadRequest;
+                return;
+            }
+
+            if (m_Auth != null)
+            {
+                if (!m_Auth.Authenticate(httpRequest.Headers, httpResponse.AddHeader, out HttpStatusCode statusCode))
+                {
+                    httpResponse.StatusCode = (int)statusCode;
+                    return;
+                }
+            }
+            try
+            {
+                if(m_processRequest != null)
+                    m_processRequest(httpRequest, httpResponse, data);
+                else
+                    ProcessRequest(httpRequest, httpResponse, data);
+            }
+            catch
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.InternalServerError;
+            }
+
+            RequestsHandled++;
+        }
+
+        public int MaxDataSize { get { return m_maxDatasize; } set { m_maxDatasize = value; }}
+
+        protected virtual void ProcessRequest(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse, byte[] data)
+        {
+        }
+    }
+}