/* * 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.Reflection; using System.Xml; using System.Xml.Serialization; using System.Text; using System.Collections.Generic; using log4net; using OpenSim.Framework; namespace OpenSim.Server.Base { public static class ServerUtils { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); public static string SLAssetTypeToContentType(int assetType) { switch (assetType) { case 0: return "image/jp2"; case 1: return "application/ogg"; case 2: return "application/x-metaverse-callingcard"; case 3: return "application/x-metaverse-landmark"; case 5: return "application/x-metaverse-clothing"; case 6: return "application/x-metaverse-primitive"; case 7: return "application/x-metaverse-notecard"; case 8: return "application/x-metaverse-folder"; case 10: return "application/x-metaverse-lsl"; case 11: return "application/x-metaverse-lso"; case 12: return "image/tga"; case 13: return "application/x-metaverse-bodypart"; case 17: return "audio/x-wav"; case 19: return "image/jpeg"; case 20: return "application/x-metaverse-animation"; case 21: return "application/x-metaverse-gesture"; case 22: return "application/x-metaverse-simstate"; default: return "application/octet-stream"; } } public static byte[] SerializeResult(XmlSerializer xs, object data) { MemoryStream ms = new MemoryStream(); XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8); xw.Formatting = Formatting.Indented; xs.Serialize(xw, data); xw.Flush(); ms.Seek(0, SeekOrigin.Begin); byte[] ret = ms.GetBuffer(); Array.Resize(ref ret, (int)ms.Length); return ret; } public static T LoadPlugin<T>(string dllName, Object[] args) where T:class { string[] parts = dllName.Split(new char[] {':'}); dllName = parts[0]; string className = String.Empty; if (parts.Length > 1) className = parts[1]; return LoadPlugin<T>(dllName, className, args); } public static T LoadPlugin<T>(string dllName, string className, Object[] args) where T:class { string interfaceName = typeof(T).ToString(); try { Assembly pluginAssembly = Assembly.LoadFrom(dllName); foreach (Type pluginType in pluginAssembly.GetTypes()) { if (pluginType.IsPublic) { if (className != String.Empty && pluginType.ToString() != pluginType.Namespace + "." + className) continue; Type typeInterface = pluginType.GetInterface(interfaceName, true); if (typeInterface != null) { T plug = null; try { plug = (T)Activator.CreateInstance(pluginType, args); } catch (Exception e) { m_log.ErrorFormat("Error loading plugin from {0}, exception {1}", dllName, e.InnerException); } return plug; } } } return null; } catch (Exception e) { m_log.ErrorFormat("Error loading plugin from {0}, exception {1}", dllName, e); return null; } } public static Dictionary<string, string> ParseQueryString(string query) { Dictionary<string, string> result = new Dictionary<string, string>(); string[] terms = query.Split(new char[] {'&'}); if (terms.Length == 0) return result; foreach (string t in terms) { string[] elems = t.Split(new char[] {'='}); if (elems.Length == 0) continue; string name = System.Web.HttpUtility.UrlDecode(elems[0]); string value = String.Empty; if (elems.Length > 1) value = System.Web.HttpUtility.UrlDecode(elems[1]); result[name] = value; } 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) { //m_log.DebugFormat("[XXX]: received xml string: {0}", 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; } } }