using System;

namespace System.Net
{
	// Token: 0x020001FE RID: 510
	internal class BasicClient : IAuthenticationModule
	{
		// Token: 0x0600114D RID: 4429 RVA: 0x00032714 File Offset: 0x00030914
		public Authorization Authenticate(string challenge, WebRequest webRequest, ICredentials credentials)
		{
			if (credentials == null || challenge == null)
			{
				return null;
			}
			string text = challenge.Trim();
			if (text.ToLower().IndexOf("basic") == -1)
			{
				return null;
			}
			return BasicClient.InternalAuthenticate(webRequest, credentials);
		}

		// Token: 0x0600114E RID: 4430 RVA: 0x00032758 File Offset: 0x00030958
		private static byte[] GetBytes(string str)
		{
			int i = str.Length;
			byte[] array = new byte[i];
			for (i--; i >= 0; i--)
			{
				array[i] = (byte)str[i];
			}
			return array;
		}

		// Token: 0x0600114F RID: 4431 RVA: 0x00032794 File Offset: 0x00030994
		private static Authorization InternalAuthenticate(WebRequest webRequest, ICredentials credentials)
		{
			HttpWebRequest httpWebRequest = webRequest as HttpWebRequest;
			if (httpWebRequest == null || credentials == null)
			{
				return null;
			}
			NetworkCredential credential = credentials.GetCredential(httpWebRequest.AuthUri, "basic");
			if (credential == null)
			{
				return null;
			}
			string userName = credential.UserName;
			if (userName == null || userName == string.Empty)
			{
				return null;
			}
			string password = credential.Password;
			string domain = credential.Domain;
			byte[] array;
			if (domain == null || domain == string.Empty || domain.Trim() == string.Empty)
			{
				array = BasicClient.GetBytes(userName + ":" + password);
			}
			else
			{
				array = BasicClient.GetBytes(string.Concat(new string[] { domain, "\\", userName, ":", password }));
			}
			string text = "Basic " + Convert.ToBase64String(array);
			return new Authorization(text);
		}

		// Token: 0x06001150 RID: 4432 RVA: 0x00032890 File Offset: 0x00030A90
		public Authorization PreAuthenticate(WebRequest webRequest, ICredentials credentials)
		{
			return BasicClient.InternalAuthenticate(webRequest, credentials);
		}

		// Token: 0x170005B3 RID: 1459
		// (get) Token: 0x06001151 RID: 4433 RVA: 0x0003289C File Offset: 0x00030A9C
		public string AuthenticationType
		{
			get
			{
				return "Basic";
			}
		}

		// Token: 0x170005B4 RID: 1460
		// (get) Token: 0x06001152 RID: 4434 RVA: 0x000328A4 File Offset: 0x00030AA4
		public bool CanPreAuthenticate
		{
			get
			{
				return true;
			}
		}
	}
}