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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.Net;
using System.Net.Sockets;
using System.Reflection;
using System.Text;
using System.IO;
using OpenMetaverse.StructuredData;
using OpenMetaverse;
using log4net;
namespace OpenSim.Framework.Servers.HttpServer
{
/// <summary>
/// Json rpc request manager.
/// </summary>
public class JsonRpcRequestManager
{
static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public JsonRpcRequestManager()
{
}
#region Web Util
/// <summary>
/// Sends json-rpc request with a serializable type.
/// </summary>
/// <returns>
/// OSD Map.
/// </returns>
/// <param name='parameters'>
/// Serializable type .
/// </param>
/// <param name='method'>
/// Json-rpc method to call.
/// </param>
/// <param name='uri'>
/// URI of json-rpc service.
/// </param>
/// <param name='jsonId'>
/// Id for our call.
/// </param>
public bool JsonRpcRequest(ref object parameters, string method, string uri, string jsonId)
{
if (jsonId == null)
throw new ArgumentNullException ("jsonId");
if (uri == null)
throw new ArgumentNullException ("uri");
if (method == null)
throw new ArgumentNullException ("method");
if (parameters == null)
throw new ArgumentNullException ("parameters");
// Prep our payload
OSDMap json = new OSDMap();
json.Add("jsonrpc", OSD.FromString("2.0"));
json.Add("id", OSD.FromString(jsonId));
json.Add("method", OSD.FromString(method));
json.Add("params", OSD.SerializeMembers(parameters));
string jsonRequestData = OSDParser.SerializeJsonString(json);
byte[] content = Encoding.UTF8.GetBytes(jsonRequestData);
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.ContentType = "application/json-rpc";
webRequest.Method = "POST";
Stream dataStream = webRequest.GetRequestStream();
dataStream.Write(content, 0, content.Length);
dataStream.Close();
WebResponse webResponse = null;
try
{
webResponse = webRequest.GetResponse();
}
catch (WebException e)
{
Console.WriteLine("Web Error" + e.Message);
Console.WriteLine ("Please check input");
return false;
}
Stream rstream = webResponse.GetResponseStream();
OSDMap mret = new OSDMap();
try
{
mret = (OSDMap)OSDParser.DeserializeJson(rstream);
}
catch (Exception e)
{
m_log.DebugFormat("[JSONRPC]: JsonRpcRequest Error {0}", e.Message);
return false;
}
if (mret.ContainsKey("error"))
return false;
// get params...
OSD.DeserializeMembers(ref parameters, (OSDMap) mret["result"]);
return true;
}
/// <summary>
/// Sends json-rpc request with OSD parameter.
/// </summary>
/// <returns>
/// The rpc request.
/// </returns>
/// <param name='data'>
/// data - incoming as parameters, outgong as result/error
/// </param>
/// <param name='method'>
/// Json-rpc method to call.
/// </param>
/// <param name='uri'>
/// URI of json-rpc service.
/// </param>
/// <param name='jsonId'>
/// If set to <c>true</c> json identifier.
/// </param>
public bool JsonRpcRequest(ref OSD data, string method, string uri, string jsonId)
{
OSDMap map = new OSDMap();
map["jsonrpc"] = "2.0";
if(string.IsNullOrEmpty(jsonId))
map["id"] = UUID.Random().ToString();
else
map["id"] = jsonId;
map["method"] = method;
map["params"] = data;
string jsonRequestData = OSDParser.SerializeJsonString(map);
byte[] content = Encoding.UTF8.GetBytes(jsonRequestData);
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.ContentType = "application/json-rpc";
webRequest.Method = "POST";
Stream dataStream = webRequest.GetRequestStream();
dataStream.Write(content, 0, content.Length);
dataStream.Close();
WebResponse webResponse = null;
try
{
webResponse = webRequest.GetResponse();
}
catch (WebException e)
{
Console.WriteLine("Web Error" + e.Message);
Console.WriteLine ("Please check input");
return false;
}
Stream rstream = webResponse.GetResponseStream();
OSDMap response = new OSDMap();
try
{
response = (OSDMap)OSDParser.DeserializeJson(rstream);
}
catch (Exception e)
{
m_log.DebugFormat("[JSONRPC]: JsonRpcRequest Error {0}", e.Message);
return false;
}
if(response.ContainsKey("error"))
{
data = response["error"];
return false;
}
data = response;
return true;
}
#endregion Web Util
}
}
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