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using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Reflection;
using Nini.Config;
using log4net;
namespace OpenSim.Framework.ServiceAuth
{
public class BasicHttpAuthentication : IServiceAuth
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private string m_Username, m_Password;
private string m_CredentialsB64;
private string remove_me;
public string Credentials
{
get { return m_CredentialsB64; }
}
public BasicHttpAuthentication(IConfigSource config, string section)
{
remove_me = section;
m_Username = Util.GetConfigVarFromSections<string>(config, "HttpAuthUsername", new string[] { "Network", section }, string.Empty);
m_Password = Util.GetConfigVarFromSections<string>(config, "HttpAuthPassword", new string[] { "Network", section }, string.Empty);
string str = m_Username + ":" + m_Password;
byte[] encData_byte = Util.UTF8.GetBytes(str);
m_CredentialsB64 = Convert.ToBase64String(encData_byte);
m_log.DebugFormat("[HTTP BASIC AUTH]: {0} {1} [{2}]", m_Username, m_Password, section);
}
public void AddAuthorization(NameValueCollection headers)
{
//m_log.DebugFormat("[HTTP BASIC AUTH]: Adding authorization for {0}", remove_me);
headers["Authorization"] = "Basic " + m_CredentialsB64;
}
public bool Authenticate(string data)
{
string recovered = Util.Base64ToString(data);
if (!String.IsNullOrEmpty(recovered))
{
string[] parts = recovered.Split(new char[] { ':' });
if (parts.Length >= 2)
{
return m_Username.Equals(parts[0]) && m_Password.Equals(parts[1]);
}
}
return false;
}
public bool Authenticate(NameValueCollection requestHeaders, AddHeaderDelegate d)
{
//m_log.DebugFormat("[HTTP BASIC AUTH]: Authenticate in {0}", remove_me);
if (requestHeaders != null)
{
string value = requestHeaders.Get("Authorization");
if (value != null)
{
value = value.Trim();
if (value.StartsWith("Basic "))
{
value = value.Replace("Basic ", string.Empty);
if (Authenticate(value))
return true;
}
}
}
d("WWW-Authenticate", "Basic realm = \"Asset Server\"");
return false;
}
}
}
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