Imported branch

author: gareth 2007-03-07 18:49:20 +0000
committer: gareth 2007-03-07 18:49:20 +0000
commit: 16476f06b867adf01fa0d17c6761f4a862fc17ad (patch)
tree: c3a1147578ae33d269812adfe8de5ece8c62d586 /ConvertToPlugins/src/GridServers/LoginServer.cs
parent: Deleted old trunk code (diff)
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1 files changed, 322 insertions, 0 deletions
diff --git a/ConvertToPlugins/src/GridServers/LoginServer.cs b/ConvertToPlugins/src/GridServers/LoginServer.cs
new file mode 100644
index 0000000..da982e7
--- /dev/null
+++ b/ConvertToPlugins/src/GridServers/LoginServer.cs
@@ -0,0 +1,322 @@
+/*
+* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
+*
+* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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 Nwc.XmlRpc;
+using System;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Collections;
+using System.Security.Cryptography;
+using System.Xml;
+using libsecondlife;
+using OpenSim;
+namespace OpenSim.GridServers
+{
+        
+        /// <summary>
+        /// When running in local (default) mode , handles client logins.
+        /// </summary>
+        public class LoginServer
+        {
+                public LoginServer(IGridServer gridServer)
+                {
+                        _gridServer = gridServer;
+                }
+                private Login _login;
+                private IGridServer _gridServer;
+                private ushort _loginPort = 8080;
+                public IPAddress clientAddress = IPAddress.Loopback;
+                public IPAddress remoteAddress = IPAddress.Any;
+                private Socket loginServer;
+                private Random RandomClass = new Random();
+                private int NumClients;
+                private string _defaultResponse;
+                
+                private string _mpasswd;
+                private bool _needPasswd=false;
+                // InitializeLogin: initialize the login 
+                private void InitializeLogin() {
+                        loginServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+                        loginServer.Bind(new IPEndPoint(remoteAddress, _loginPort));
+                        loginServer.Listen(1);
+                        
+                        this._needPasswd=false;
+                        //read in default response string
+                        StreamReader SR;
+                string lines;
+                SR=File.OpenText("new-login.dat");
+                
+                //lines=SR.ReadLine();
+                
+                while(!SR.EndOfStream)
+                {
+                        lines = SR.ReadLine();
+                        _defaultResponse += lines;
+                        //lines = SR.ReadLine();
+                }
+                SR.Close();
+                this._mpasswd = EncodePassword("testpass");
+                }
+                
+                public void Startup()
+                {
+                        this.InitializeLogin();
+                        Thread runLoginProxy = new Thread(new ThreadStart(RunLogin));
+                        runLoginProxy.IsBackground = true;
+                        runLoginProxy.Start();
+                }
+                
+                private void RunLogin() 
+                {
+                        Console.WriteLine("Starting Login Server");
+                    try 
+                    {
+                        for (;;) 
+                        {
+                                Socket client = loginServer.Accept();
+                                IPEndPoint clientEndPoint = (IPEndPoint)client.RemoteEndPoint;
+                                
+                                NetworkStream networkStream = new NetworkStream(client);
+                                StreamReader networkReader = new StreamReader(networkStream);
+                                StreamWriter networkWriter = new StreamWriter(networkStream);
+                                try
+                                {
+                                        LoginRequest(networkReader, networkWriter);
+                                }
+                                catch (Exception e)
+                                {
+                                        Console.WriteLine(e.Message);
+                                }
+                                networkWriter.Close();
+                                networkReader.Close();
+                                networkStream.Close();
+                                client.Close();
+                                // send any packets queued for injection
+                                
+                                }
+                    } 
+                    catch (Exception e)
+                    {
+                                Console.WriteLine(e.Message);
+                                Console.WriteLine(e.StackTrace);
+                    }
+                }
+                // ProxyLogin: proxy a login request
+                private void LoginRequest(StreamReader reader, StreamWriter writer) 
+                { 
+                        lock(this)
+                        {
+                                string line;
+                                int contentLength = 0;
+                                // read HTTP header
+                                do
+                                {
+                                        // read one line of the header
+                                        line = reader.ReadLine();
+                                
+                                        // check for premature EOF
+                                        if (line == null)
+                                                throw new Exception("EOF in client HTTP header");
+                                        // look for Content-Length
+                                        Match match = (new Regex(@"Content-Length: (\d+)$")).Match(line);
+                                        if (match.Success)
+                                                contentLength = Convert.ToInt32(match.Groups[1].Captures[0].ToString());
+                                } while (line != "");
+                                
+                                // read the HTTP body into a buffer
+                                char[] content = new char[contentLength];
+                                reader.Read(content, 0, contentLength);
+                                
+                                XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(new String(content));
+                                if(request.MethodName == "login_to_simulator")
+                                {
+                                        Hashtable requestData = (Hashtable)request.Params[0];
+                                        string first;
+                                        string last;
+                                        string passwd;
+                                        LLUUID Agent;
+                                        LLUUID Session;
+                                        
+                                        //get login name
+                                        if(requestData.Contains("first"))
+                                        {
+                                                first = (string)requestData["first"];
+                                        }
+                                        else
+                                        {
+                                                first = "test";
+                                        }
+                                        
+                                        if(requestData.Contains("last"))
+                                        {
+                                                last = (string)requestData["last"];
+                                        }
+                                        else
+                                        {
+                                                last = "User"+NumClients.ToString();
+                                        }
+                                        
+                                        if(requestData.Contains("passwd"))
+                                        {
+                                                passwd = (string)requestData["passwd"];
+                                        }
+                                        else
+                                        {
+                                                passwd = "notfound";
+                                        }
+                                        
+                                        if( !Authenticate(first, last, passwd))
+                                        {
+                                                // Fail miserably
+                                                writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
+                                                writer.WriteLine();
+                                                return;
+                                        }
+                                        NumClients++;
+                                        
+                                        //create a agent and session LLUUID
+                                        Agent = GetAgentId( first, last );
+                                        int SessionRand = this.RandomClass.Next(1,999);
+                                        Session = new LLUUID("aaaabbbb-0200-"+SessionRand.ToString("0000")+"-8664-58f53e442797");
+                                        
+                                        
+                                        XmlRpcResponse response =(XmlRpcResponse)(new XmlRpcResponseDeserializer()).Deserialize(this._defaultResponse);
+                                        Hashtable responseData = (Hashtable)response.Value;
+                                        
+                                        responseData["sim_port"] = OpenSim_Main.cfg.IPListenPort;
+                                        responseData["sim_ip"] = OpenSim_Main.cfg.IPListenAddr;
+                                        responseData["agent_id"] = Agent.ToStringHyphenated();
+                                        responseData["session_id"] = Session.ToStringHyphenated();
+                                        ArrayList InventoryList = (ArrayList) responseData["inventory-skeleton"];
+                                        Hashtable Inventory1 = (Hashtable)InventoryList[0];
+                                        Hashtable Inventory2 = (Hashtable)InventoryList[1];
+                                        LLUUID BaseFolderID = LLUUID.Random();
+                                        LLUUID InventoryFolderID = LLUUID.Random();
+                                        Inventory2["name"] = "Base";
+                                        Inventory2["folder_id"] = BaseFolderID.ToStringHyphenated();
+                                        Inventory2["type_default"] =6;
+                                        Inventory1["folder_id"] = InventoryFolderID.ToStringHyphenated();
+                                        
+                                        ArrayList InventoryRoot = (ArrayList) responseData["inventory-root"];
+                                        Hashtable Inventoryroot = (Hashtable)InventoryRoot[0];
+                                        Inventoryroot["folder_id"] = InventoryFolderID.ToStringHyphenated();
+                                        
+                                        CustomiseLoginResponse( responseData, first, last );
+                                        
+                                        this._login = new Login();
+                                        //copy data to login object
+                                        _login.First = first;
+                                        _login.Last = last;
+                                        _login.Agent = Agent;
+                                        _login.Session = Session;
+                                        _login.BaseFolder = BaseFolderID;
+                                        _login.InventoryFolder = InventoryFolderID;
+                                        
+                                        //working on local computer so lets add to the gridserver's list of sessions
+                                        this._gridServer.AddNewSession(_login);
+                                        
+                                        // forward the XML-RPC response to the client
+                                        writer.WriteLine("HTTP/1.0 200 OK");
+                                        writer.WriteLine("Content-type: text/xml");
+                                        writer.WriteLine();
+                                        
+                                        XmlTextWriter responseWriter = new XmlTextWriter(writer);
+                                        XmlRpcResponseSerializer.Singleton.Serialize(responseWriter, response);
+                                        responseWriter.Close();
+                                }
+                                else
+                                {
+                                        writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
+                                        writer.WriteLine();
+                                }
+                        }
+                }
+                
+                protected virtual void CustomiseLoginResponse( Hashtable responseData, string first, string last )
+                {
+                }
+                protected virtual LLUUID GetAgentId(string firstName, string lastName)
+                {
+                        LLUUID Agent;
+                        int AgentRand = this.RandomClass.Next(1,9999);
+                        Agent = new LLUUID("99998888-0100-"+AgentRand.ToString("0000")+"-8ec1-0b1d5cd6aead");
+                        return Agent;
+                }
+                protected virtual bool Authenticate(string first, string last, string  passwd)
+                {
+                        if(this._needPasswd)
+                        {
+                                //every user needs the password to login
+                                string encodedPass = passwd.Remove(0,3); //remove $1$
+                                if(encodedPass == this._mpasswd)
+                                {
+                                        return true;
+                                }
+                                else
+                                {
+                                        return false;
+                                }
+                        }
+                        else
+                        {
+                                //do not need password to login
+                                return true;
+                        }
+                }
+                
+                private static string EncodePassword(string passwd)
+                {
+                        Byte[] originalBytes;
+                        Byte[] encodedBytes;
+                        MD5 md5;
+                        
+                        md5 = new MD5CryptoServiceProvider();
+                        originalBytes = ASCIIEncoding.Default.GetBytes(passwd);
+                        encodedBytes = md5.ComputeHash(originalBytes);
+                        return Regex.Replace(BitConverter.ToString(encodedBytes), "-", "").ToLower();
+                }
+                
+        }
+        
+}
author	gareth	2007-03-07 18:49:20 +0000
committer	gareth	2007-03-07 18:49:20 +0000
commit	16476f06b867adf01fa0d17c6761f4a862fc17ad (patch)
tree	c3a1147578ae33d269812adfe8de5ece8c62d586 /ConvertToPlugins/src/GridServers/LoginServer.cs
parent	Deleted old trunk code (diff)
download	opensim-SC-16476f06b867adf01fa0d17c6761f4a862fc17ad.zip opensim-SC-16476f06b867adf01fa0d17c6761f4a862fc17ad.tar.gz opensim-SC-16476f06b867adf01fa0d17c6761f4a862fc17ad.tar.bz2 opensim-SC-16476f06b867adf01fa0d17c6761f4a862fc17ad.tar.xz

diff --git a/ConvertToPlugins/src/GridServers/LoginServer.cs b/ConvertToPlugins/src/GridServers/LoginServer.cs new file mode 100644 index 0000000..da982e7 --- /dev/null +++ b/ConvertToPlugins/src/GridServers/LoginServer.cs
@@ -0,0 +1,322 @@
	1	/*
	2	* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions are met:
	6	* * Redistributions of source code must retain the above copyright
	7	* notice, this list of conditions and the following disclaimer.
	8	* * Redistributions in binary form must reproduce the above copyright
	9	* notice, this list of conditions and the following disclaimer in the
	10	* documentation and/or other materials provided with the distribution.
	11	* * Neither the name of the <organization> nor the
	12	* names of its contributors may be used to endorse or promote products
	13	* derived from this software without specific prior written permission.
	14	*
	15	* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
	16	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	17	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	18	* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
	19	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	20	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	21	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	22	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	23	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	24	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	25	*
	26	*/
	27
	28	using Nwc.XmlRpc;
	29	using System;
	30	using System.IO;
	31	using System.Net;
	32	using System.Net.Sockets;
	33	using System.Text;
	34	using System.Text.RegularExpressions;
	35	using System.Threading;
	36	using System.Collections;
	37	using System.Security.Cryptography;
	38	using System.Xml;
	39	using libsecondlife;
	40	using OpenSim;
	41
	42	namespace OpenSim.GridServers
	43	{
	44
	45	/// <summary>
	46	/// When running in local (default) mode , handles client logins.
	47	/// </summary>
	48	public class LoginServer
	49	{
	50	public LoginServer(IGridServer gridServer)
	51	{
	52	_gridServer = gridServer;
	53	}
	54	private Login _login;
	55	private IGridServer _gridServer;
	56	private ushort _loginPort = 8080;
	57	public IPAddress clientAddress = IPAddress.Loopback;
	58	public IPAddress remoteAddress = IPAddress.Any;
	59	private Socket loginServer;
	60	private Random RandomClass = new Random();
	61	private int NumClients;
	62	private string _defaultResponse;
	63
	64	private string _mpasswd;
	65	private bool _needPasswd=false;
	66
	67	// InitializeLogin: initialize the login
	68	private void InitializeLogin() {
	69	loginServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
	70	loginServer.Bind(new IPEndPoint(remoteAddress, _loginPort));
	71	loginServer.Listen(1);
	72
	73	this._needPasswd=false;
	74	//read in default response string
	75	StreamReader SR;
	76	string lines;
	77	SR=File.OpenText("new-login.dat");
	78
	79	//lines=SR.ReadLine();
	80
	81	while(!SR.EndOfStream)
	82	{
	83	lines = SR.ReadLine();
	84	_defaultResponse += lines;
	85	//lines = SR.ReadLine();
	86	}
	87	SR.Close();
	88	this._mpasswd = EncodePassword("testpass");
	89	}
	90
	91	public void Startup()
	92	{
	93	this.InitializeLogin();
	94	Thread runLoginProxy = new Thread(new ThreadStart(RunLogin));
	95	runLoginProxy.IsBackground = true;
	96	runLoginProxy.Start();
	97	}
	98
	99	private void RunLogin()
	100	{
	101	Console.WriteLine("Starting Login Server");
	102	try
	103	{
	104	for (;;)
	105	{
	106	Socket client = loginServer.Accept();
	107	IPEndPoint clientEndPoint = (IPEndPoint)client.RemoteEndPoint;
	108
	109
	110	NetworkStream networkStream = new NetworkStream(client);
	111	StreamReader networkReader = new StreamReader(networkStream);
	112	StreamWriter networkWriter = new StreamWriter(networkStream);
	113
	114	try
	115	{
	116	LoginRequest(networkReader, networkWriter);
	117	}
	118	catch (Exception e)
	119	{
	120	Console.WriteLine(e.Message);
	121	}
	122
	123	networkWriter.Close();
	124	networkReader.Close();
	125	networkStream.Close();
	126
	127	client.Close();
	128
	129	// send any packets queued for injection
	130
	131	}
	132	}
	133	catch (Exception e)
	134	{
	135	Console.WriteLine(e.Message);
	136	Console.WriteLine(e.StackTrace);
	137	}
	138	}
	139
	140	// ProxyLogin: proxy a login request
	141	private void LoginRequest(StreamReader reader, StreamWriter writer)
	142	{
	143	lock(this)
	144	{
	145	string line;
	146	int contentLength = 0;
	147	// read HTTP header
	148	do
	149	{
	150	// read one line of the header
	151	line = reader.ReadLine();
	152
	153	// check for premature EOF
	154	if (line == null)
	155	throw new Exception("EOF in client HTTP header");
	156
	157	// look for Content-Length
	158	Match match = (new Regex(@"Content-Length: (\d+)$")).Match(line);
	159	if (match.Success)
	160	contentLength = Convert.ToInt32(match.Groups[1].Captures[0].ToString());
	161	} while (line != "");
	162
	163	// read the HTTP body into a buffer
	164	char[] content = new char[contentLength];
	165	reader.Read(content, 0, contentLength);
	166
	167	XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(new String(content));
	168	if(request.MethodName == "login_to_simulator")
	169	{
	170	Hashtable requestData = (Hashtable)request.Params[0];
	171	string first;
	172	string last;
	173	string passwd;
	174	LLUUID Agent;
	175	LLUUID Session;
	176
	177	//get login name
	178	if(requestData.Contains("first"))
	179	{
	180	first = (string)requestData["first"];
	181	}
	182	else
	183	{
	184	first = "test";
	185	}
	186
	187	if(requestData.Contains("last"))
	188	{
	189	last = (string)requestData["last"];
	190	}
	191	else
	192	{
	193	last = "User"+NumClients.ToString();
	194	}
	195
	196	if(requestData.Contains("passwd"))
	197	{
	198	passwd = (string)requestData["passwd"];
	199	}
	200	else
	201	{
	202	passwd = "notfound";
	203	}
	204
	205	if( !Authenticate(first, last, passwd))
	206	{
	207	// Fail miserably
	208	writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
	209	writer.WriteLine();
	210	return;
	211	}
	212	NumClients++;
	213
	214	//create a agent and session LLUUID
	215	Agent = GetAgentId( first, last );
	216	int SessionRand = this.RandomClass.Next(1,999);
	217	Session = new LLUUID("aaaabbbb-0200-"+SessionRand.ToString("0000")+"-8664-58f53e442797");
	218
	219
	220	XmlRpcResponse response =(XmlRpcResponse)(new XmlRpcResponseDeserializer()).Deserialize(this._defaultResponse);
	221	Hashtable responseData = (Hashtable)response.Value;
	222
	223	responseData["sim_port"] = OpenSim_Main.cfg.IPListenPort;
	224	responseData["sim_ip"] = OpenSim_Main.cfg.IPListenAddr;
	225	responseData["agent_id"] = Agent.ToStringHyphenated();
	226	responseData["session_id"] = Session.ToStringHyphenated();
	227	ArrayList InventoryList = (ArrayList) responseData["inventory-skeleton"];
	228	Hashtable Inventory1 = (Hashtable)InventoryList[0];
	229	Hashtable Inventory2 = (Hashtable)InventoryList[1];
	230	LLUUID BaseFolderID = LLUUID.Random();
	231	LLUUID InventoryFolderID = LLUUID.Random();
	232	Inventory2["name"] = "Base";
	233	Inventory2["folder_id"] = BaseFolderID.ToStringHyphenated();
	234	Inventory2["type_default"] =6;
	235	Inventory1["folder_id"] = InventoryFolderID.ToStringHyphenated();
	236
	237	ArrayList InventoryRoot = (ArrayList) responseData["inventory-root"];
	238	Hashtable Inventoryroot = (Hashtable)InventoryRoot[0];
	239	Inventoryroot["folder_id"] = InventoryFolderID.ToStringHyphenated();
	240
	241	CustomiseLoginResponse( responseData, first, last );
	242
	243	this._login = new Login();
	244	//copy data to login object
	245	_login.First = first;
	246	_login.Last = last;
	247	_login.Agent = Agent;
	248	_login.Session = Session;
	249	_login.BaseFolder = BaseFolderID;
	250	_login.InventoryFolder = InventoryFolderID;
	251
	252	//working on local computer so lets add to the gridserver's list of sessions
	253	this._gridServer.AddNewSession(_login);
	254
	255	// forward the XML-RPC response to the client
	256	writer.WriteLine("HTTP/1.0 200 OK");
	257	writer.WriteLine("Content-type: text/xml");
	258	writer.WriteLine();
	259
	260	XmlTextWriter responseWriter = new XmlTextWriter(writer);
	261	XmlRpcResponseSerializer.Singleton.Serialize(responseWriter, response);
	262	responseWriter.Close();
	263	}
	264	else
	265	{
	266	writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
	267	writer.WriteLine();
	268	}
	269	}
	270	}
	271
	272	protected virtual void CustomiseLoginResponse( Hashtable responseData, string first, string last )
	273	{
	274	}
	275
	276	protected virtual LLUUID GetAgentId(string firstName, string lastName)
	277	{
	278	LLUUID Agent;
	279	int AgentRand = this.RandomClass.Next(1,9999);
	280	Agent = new LLUUID("99998888-0100-"+AgentRand.ToString("0000")+"-8ec1-0b1d5cd6aead");
	281	return Agent;
	282	}
	283
	284	protected virtual bool Authenticate(string first, string last, string passwd)
	285	{
	286	if(this._needPasswd)
	287	{
	288	//every user needs the password to login
	289	string encodedPass = passwd.Remove(0,3); //remove $1$
	290	if(encodedPass == this._mpasswd)
	291	{
	292	return true;
	293	}
	294	else
	295	{
	296	return false;
	297	}
	298	}
	299	else
	300	{
	301	//do not need password to login
	302	return true;
	303	}
	304	}
	305
	306	private static string EncodePassword(string passwd)
	307	{
	308	Byte[] originalBytes;
	309	Byte[] encodedBytes;
	310	MD5 md5;
	311
	312	md5 = new MD5CryptoServiceProvider();
	313	originalBytes = ASCIIEncoding.Default.GetBytes(passwd);
	314	encodedBytes = md5.ComputeHash(originalBytes);
	315
	316	return Regex.Replace(BitConverter.ToString(encodedBytes), "-", "").ToLower();
	317	}
	318
	319	}
	320
	321
	322	}