using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using Cpp2IlInjected;

namespace BestHTTP.Extensions
{
	// Token: 0x02001F8F RID: 8079
	[Token(Token = "0x2001F8F")]
	public static class Extensions
	{
		// Token: 0x0600CCAE RID: 52398 RVA: 0x002ED6EC File Offset: 0x002EB8EC
		[Token(Token = "0x600CCAE")]
		[Address(RVA = "0x1712840", Offset = "0x1711640", VA = "0x181712840")]
		public static string AsciiToString(this byte[] bytes)
		{
			int length;
			StringBuilder stringBuilder = new StringBuilder(length);
			length = bytes.Length;
			int num = 0;
			int length2 = bytes.Length;
			if (num < length2)
			{
				byte b;
				StringBuilder stringBuilder2 = stringBuilder.Append((char)b);
				num++;
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCAF RID: 52399 RVA: 0x002ED728 File Offset: 0x002EB928
		[Token(Token = "0x600CCAF")]
		[Address(RVA = "0x1712CF0", Offset = "0x1711AF0", VA = "0x181712CF0")]
		public static byte[] GetASCIIBytes(this string str)
		{
			int stringLength = str.m_stringLength;
			int num = 0;
			byte[] array = VariableSizedBufferPool.Get((long)stringLength, num != 0);
			int num2 = 0;
			if (num2 < str.m_stringLength)
			{
				char c = str[num2];
				num2++;
			}
			return array;
		}

		// Token: 0x0600CCB0 RID: 52400 RVA: 0x002ED768 File Offset: 0x002EB968
		[Token(Token = "0x600CCB0")]
		[Address(RVA = "0x1713B60", Offset = "0x1712960", VA = "0x181713B60")]
		public static void SendAsASCII(this BinaryWriter stream, string str)
		{
			int num = 0;
			if (num < str.m_stringLength)
			{
				char c = str[num];
				stream.Write(c != '\0');
				num++;
			}
		}

		// Token: 0x0600CCB1 RID: 52401 RVA: 0x002ED79C File Offset: 0x002EB99C
		[Token(Token = "0x600CCB1")]
		[Address(RVA = "0x17140B0", Offset = "0x1712EB0", VA = "0x1817140B0")]
		public static void WriteLine(this Stream fs)
		{
			int num = fs.ReadByte();
		}

		// Token: 0x0600CCB2 RID: 52402 RVA: 0x002ED7B8 File Offset: 0x002EB9B8
		[Token(Token = "0x600CCB2")]
		[Address(RVA = "0x1714230", Offset = "0x1713030", VA = "0x181714230")]
		public static void WriteLine(this Stream fs, string line)
		{
			byte[] asciibytes = line.GetASCIIBytes();
			int num = fs.ReadByte();
			fs.WriteLine();
			VariableSizedBufferPool.Release(asciibytes);
		}

		// Token: 0x0600CCB3 RID: 52403 RVA: 0x002ED7E8 File Offset: 0x002EB9E8
		[Token(Token = "0x600CCB3")]
		[Address(RVA = "0x1714140", Offset = "0x1712F40", VA = "0x181714140")]
		public static void WriteLine(this Stream fs, string format, params object[] values)
		{
			byte[] asciibytes = string.Format(format, values).GetASCIIBytes();
			int num = fs.ReadByte();
			fs.WriteLine();
			VariableSizedBufferPool.Release(asciibytes);
		}

		// Token: 0x0600CCB4 RID: 52404 RVA: 0x002ED81C File Offset: 0x002EBA1C
		[Token(Token = "0x600CCB4")]
		[Address(RVA = "0x1712DD0", Offset = "0x1711BD0", VA = "0x181712DD0")]
		public static string GetRequestPathAndQueryURL(this Uri uri)
		{
			string parts = uri.GetParts(UriComponents.PathAndQuery, UriFormat.UriEscaped);
			return "/";
		}

		// Token: 0x0600CCB5 RID: 52405 RVA: 0x002ED840 File Offset: 0x002EBA40
		[Token(Token = "0x600CCB5")]
		[Address(RVA = "0x1712B50", Offset = "0x1711950", VA = "0x181712B50")]
		public static string[] FindOption(this string str, string option)
		{
			string text = str.ToLower();
			(new char[1])[0] = (char)((uint)44);
			string text2 = option.ToLower();
			int num = 0;
			string[] array;
			int length = array.Length;
			if (num < length)
			{
				string text3 = array[num];
				int num2 = 0;
				if (!text3.Contains(text2))
				{
					num++;
				}
				string text4 = array[num];
				return text4.Split(new char[] { (char)((uint)61) }, (StringSplitOptions)num2);
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCB6 RID: 52406 RVA: 0x002ED8C4 File Offset: 0x002EBAC4
		[Token(Token = "0x600CCB6")]
		[Address(RVA = "0x6D84B0", Offset = "0x6D72B0", VA = "0x1806D84B0")]
		public static void WriteArray(this Stream stream, byte[] array)
		{
			int num = stream.ReadByte();
		}

		// Token: 0x0600CCB7 RID: 52407 RVA: 0x002ED8E0 File Offset: 0x002EBAE0
		[Token(Token = "0x600CCB7")]
		[Address(RVA = "0x1712E40", Offset = "0x1711C40", VA = "0x181712E40")]
		public static bool IsHostIsAnIPAddress(this Uri uri)
		{
			int num = 0;
			if (!(uri == num))
			{
				string host = uri.Host;
				if (!string.IsNullOrEmpty(host))
				{
					string text = host.Trim();
					bool flag;
					if (flag)
					{
						return true;
					}
				}
				bool flag2;
				if (!string.IsNullOrEmpty(uri.Host) && flag2)
				{
					bool flag3;
					return flag3;
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCB8 RID: 52408 RVA: 0x002ED938 File Offset: 0x002EBB38
		[Token(Token = "0x600CCB8")]
		[Address(RVA = "0x1713050", Offset = "0x1711E50", VA = "0x181713050")]
		public static bool IsIpV4AddressValid(string address)
		{
			if (string.IsNullOrEmpty(address))
			{
			}
			string text = address.Trim();
			bool flag;
			return flag;
		}

		// Token: 0x0600CCB9 RID: 52409 RVA: 0x002ED960 File Offset: 0x002EBB60
		[Token(Token = "0x600CCB9")]
		[Address(RVA = "0x1713100", Offset = "0x1711F00", VA = "0x181713100")]
		public static bool IsIpV6AddressValid(string address)
		{
			bool flag;
			if (!string.IsNullOrEmpty(address) && flag)
			{
				bool flag2;
				return flag2;
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCBA RID: 52410 RVA: 0x002ED984 File Offset: 0x002EBB84
		[Token(Token = "0x600CCBA")]
		[Address(RVA = "0x1713D40", Offset = "0x1712B40", VA = "0x181713D40")]
		public static int ToInt32(this string str, int defaultValue = 0)
		{
			if (str != 0)
			{
				return int.Parse(str);
			}
			return defaultValue;
		}

		// Token: 0x0600CCBB RID: 52411 RVA: 0x002ED9A0 File Offset: 0x002EBBA0
		[Token(Token = "0x600CCBB")]
		[Address(RVA = "0x1713DC0", Offset = "0x1712BC0", VA = "0x181713DC0")]
		public static long ToInt64(this string str, long defaultValue = 0L)
		{
			if (str != 0)
			{
				return long.Parse(str);
			}
			return defaultValue;
		}

		// Token: 0x0600CCBC RID: 52412 RVA: 0x002ED9BC File Offset: 0x002EBBBC
		[Token(Token = "0x600CCBC")]
		[Address(RVA = "0x1713C90", Offset = "0x1712A90", VA = "0x181713C90")]
		public static DateTime ToDateTime(this string str, [Optional] DateTime defaultValue)
		{
			if (str != 0)
			{
				bool flag = DateTime.TryParse(str, defaultValue);
				DateTime dateTime;
				return dateTime;
			}
			return defaultValue;
		}

		// Token: 0x0600CCBD RID: 52413 RVA: 0x002ED9D8 File Offset: 0x002EBBD8
		[Token(Token = "0x600CCBD")]
		[Address(RVA = "0x1713E40", Offset = "0x1712C40", VA = "0x181713E40")]
		public static string ToStrOrEmpty(this string str)
		{
			if (str != 0)
			{
				return str;
			}
			return string.Empty;
		}

		// Token: 0x0600CCBE RID: 52414 RVA: 0x002ED9F0 File Offset: 0x002EBBF0
		[Token(Token = "0x600CCBE")]
		[Address(RVA = "0x1712AB0", Offset = "0x17118B0", VA = "0x181712AB0")]
		public static string CalculateMD5Hash(this string input)
		{
			byte[] asciibytes = input.GetASCIIBytes();
			string text = asciibytes.CalculateMD5Hash();
			VariableSizedBufferPool.Release(asciibytes);
			return text;
		}

		// Token: 0x0600CCBF RID: 52415 RVA: 0x002EDA14 File Offset: 0x002EBC14
		[Token(Token = "0x600CCBF")]
		[Address(RVA = "0x1712910", Offset = "0x1711710", VA = "0x181712910")]
		public static string CalculateMD5Hash(this byte[] input)
		{
			int num;
			do
			{
				num = 0;
				MD5 md = MD5.Create();
				byte[] array = md.ComputeHash(input);
				int length;
				StringBuilder stringBuilder = new StringBuilder(length);
				length = array.Length;
				if (num < array.Length)
				{
					num += 32;
					num += array;
					string text;
					StringBuilder stringBuilder2 = stringBuilder.Append(text);
					num++;
				}
				VariableSizedBufferPool.Release(array);
				int hashCode = stringBuilder.GetHashCode();
				if (md != 0)
				{
				}
			}
			while (num != 0);
			throw new IndexOutOfRangeException();
		}

		// Token: 0x0600CCC0 RID: 52416 RVA: 0x002EDA9C File Offset: 0x002EBC9C
		[Token(Token = "0x600CCC0")]
		[Address(RVA = "0x1713A70", Offset = "0x1712870", VA = "0x181713A70")]
		internal static string Read(this string str, ref int pos, char block, bool needResult = true)
		{
			Func<char, bool> func = (char ch) => ch != block;
			return Extensions.Read(str, ref pos, func, needResult);
		}

		// Token: 0x0600CCC1 RID: 52417 RVA: 0x002EDAD4 File Offset: 0x002EBCD4
		[Token(Token = "0x600CCC1")]
		[Address(RVA = "0x1713960", Offset = "0x1712760", VA = "0x181713960")]
		internal static string Read(this string str, ref int pos, Func<char, bool> block, bool needResult = true)
		{
			int stringLength = str.m_stringLength;
			str.SkipWhiteSpace(ref pos);
			char c;
			if (block(c) != 0)
			{
			}
			if (needResult)
			{
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCC2 RID: 52418 RVA: 0x002EDB04 File Offset: 0x002EBD04
		[Token(Token = "0x600CCC2")]
		[Address(RVA = "0x17137A0", Offset = "0x17125A0", VA = "0x1817137A0")]
		internal static string ReadPossibleQuotedText(this string str, ref int pos)
		{
			string empty = string.Empty;
			if (str != 0)
			{
				Func<char, bool> <>9__21_ = Extensions.<>c.<>9__21_0;
				if (<>9__21_ == 0)
				{
					Extensions.<>c.<>9__21_0 = delegate(char ch)
					{
						bool flag;
						return flag;
					};
				}
				string text = Extensions.Read(str, ref pos, <>9__21_, true);
			}
			return empty;
		}

		// Token: 0x0600CCC3 RID: 52419 RVA: 0x002EDB54 File Offset: 0x002EBD54
		[Token(Token = "0x600CCC3")]
		[Address(RVA = "0x1713BF0", Offset = "0x17129F0", VA = "0x181713BF0")]
		internal static void SkipWhiteSpace(this string str, ref int pos)
		{
			char c;
			if (char.IsWhiteSpace(c))
			{
			}
		}

		// Token: 0x0600CCC4 RID: 52420 RVA: 0x002EDB70 File Offset: 0x002EBD70
		[Token(Token = "0x600CCC4")]
		[Address(RVA = "0x1713E90", Offset = "0x1712C90", VA = "0x181713E90")]
		internal static string TrimAndLower(this string str)
		{
			if (str != 0)
			{
				char[] array = new char[str.m_stringLength];
				int num = 0;
				int num2 = 0;
				if (0 < str.m_stringLength)
				{
					char c = str[num2];
					if (!char.IsWhiteSpace(c) && !char.IsControl(c))
					{
						num++;
						char c2 = char.ToLowerInvariant(c);
						array[0] = c2;
					}
					num2++;
				}
				string text;
				return text;
			}
			throw new IndexOutOfRangeException();
		}

		// Token: 0x0600CCC5 RID: 52421 RVA: 0x002EDBE0 File Offset: 0x002EBDE0
		[Token(Token = "0x600CCC5")]
		[Address(RVA = "0x17135C0", Offset = "0x17123C0", VA = "0x1817135C0")]
		internal static char? Peek(this string str, int pos)
		{
			if (pos < str.m_stringLength)
			{
				char c = str[pos];
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CCC6 RID: 52422 RVA: 0x002EDC08 File Offset: 0x002EBE08
		[Token(Token = "0x600CCC6")]
		[Address(RVA = "0x17131A0", Offset = "0x1711FA0", VA = "0x1817131A0")]
		internal static List<HeaderValue> ParseOptionalHeader(this string str)
		{
			List<HeaderValue> list = new List();
			if (str != 0)
			{
				int num = 0;
				if (num < str.m_stringLength)
				{
					Func<char, bool> <>9__25_ = Extensions.<>c.<>9__25_0;
					if (<>9__25_ == 0)
					{
						Extensions.<>c.<>9__25_0 = delegate(char ch)
						{
							bool flag;
							return flag;
						};
					}
					string text = Extensions.Read(str, num, <>9__25_, true).TrimAndLower();
					HeaderValue headerValue = new HeaderValue();
					headerValue.<Key>k__BackingField = text;
					char c = str[-1];
					string text2 = str.ReadPossibleQuotedText(num);
					headerValue.<Value>k__BackingField = text2;
					list.Add(headerValue);
				}
			}
			return list;
		}

		// Token: 0x0600CCC7 RID: 52423 RVA: 0x002EDC94 File Offset: 0x002EBE94
		[Token(Token = "0x600CCC7")]
		[Address(RVA = "0x17133A0", Offset = "0x17121A0", VA = "0x1817133A0")]
		internal static List<HeaderValue> ParseQualityParams(this string str)
		{
			List<HeaderValue> list = new List();
			if (str != 0)
			{
				int num = 0;
				if (num < str.m_stringLength)
				{
					Func<char, bool> <>9__26_ = Extensions.<>c.<>9__26_0;
					if (<>9__26_ == 0)
					{
						Extensions.<>c.<>9__26_0 = delegate(char ch)
						{
							bool flag;
							return flag;
						};
					}
					string text = Extensions.Read(str, num, <>9__26_, true).TrimAndLower();
					HeaderValue headerValue = new HeaderValue();
					headerValue.<Key>k__BackingField = text;
					char c = str[-1];
					string text2;
					headerValue.<Value>k__BackingField = text2;
					list.Add(headerValue);
				}
			}
			return list;
		}

		// Token: 0x0600CCC8 RID: 52424 RVA: 0x002EDD18 File Offset: 0x002EBF18
		[Token(Token = "0x600CCC8")]
		[Address(RVA = "0x1713650", Offset = "0x1712450", VA = "0x181713650")]
		public static void ReadBuffer(this Stream stream, byte[] buffer)
		{
			int num = 0;
			int num2 = buffer.Length;
			num2 -= num;
		}

		// Token: 0x0600CCC9 RID: 52425 RVA: 0x002EDD38 File Offset: 0x002EBF38
		[Token(Token = "0x600CCC9")]
		[Address(RVA = "0x17136F0", Offset = "0x17124F0", VA = "0x1817136F0")]
		public static void ReadBuffer(this Stream stream, byte[] buffer, int length)
		{
		}

		// Token: 0x0600CCCA RID: 52426 RVA: 0x002EDD50 File Offset: 0x002EBF50
		[Token(Token = "0x600CCCA")]
		[Address(RVA = "0x17144C0", Offset = "0x17132C0", VA = "0x1817144C0")]
		public static void WriteString(this BufferPoolMemoryStream ms, string str)
		{
			object obj = Encoding.UTF8.Clone();
			byte[] bytes = Encoding.UTF8.GetBytes(str);
			int num = ms.ReadByte();
			byte[] array;
			VariableSizedBufferPool.Release(array);
		}

		// Token: 0x0600CCCB RID: 52427 RVA: 0x002EDD90 File Offset: 0x002EBF90
		[Token(Token = "0x600CCCB")]
		[Address(RVA = "0x1714020", Offset = "0x1712E20", VA = "0x181714020")]
		public static void WriteLine(this BufferPoolMemoryStream ms)
		{
			byte[] eol = HTTPRequest.EOL;
			int num = ms.ReadByte();
		}

		// Token: 0x0600CCCC RID: 52428 RVA: 0x002EDDB0 File Offset: 0x002EBFB0
		[Token(Token = "0x600CCCC")]
		[Address(RVA = "0x1714300", Offset = "0x1713100", VA = "0x181714300")]
		public static void WriteLine(this BufferPoolMemoryStream ms, string str)
		{
			object obj = Encoding.UTF8.Clone();
			byte[] bytes = Encoding.UTF8.GetBytes(str);
			int num = ms.ReadByte();
			byte[] array;
			VariableSizedBufferPool.Release(array);
			byte[] eol = HTTPRequest.EOL;
			int num2 = ms.ReadByte();
		}

		// Token: 0x0600CCCD RID: 52429 RVA: 0x002EDDFC File Offset: 0x002EBFFC
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600CCCD")]
		[Address(RVA = "0x17145E0", Offset = "0x17133E0", VA = "0x1817145E0")]
		static Extensions()
		{
			Regex regex = new Regex("\\b(?:\\d{1,3}\\.){3}\\d{1,3}\\b", RegexOptions.IgnoreCase);
		}

		// Token: 0x0400825F RID: 33375
		[Token(Token = "0x400825F")]
		private static readonly Regex validIpV4AddressRegex;
	}
}