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: 0x020019B2 RID: 6578
	[Token(Token = "0x20019B2")]
	[StructLayout(3)]
	public static class Extensions
	{
		// Token: 0x0600B0D4 RID: 45268 RVA: 0x002951F8 File Offset: 0x002933F8
		[Token(Token = "0x600B0D4")]
		[Address(RVA = "0x1C87A90", Offset = "0x1C86490", VA = "0x181C87A90")]
		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: 0x0600B0D5 RID: 45269 RVA: 0x00295234 File Offset: 0x00293434
		[Token(Token = "0x600B0D5")]
		[Address(RVA = "0x1C87F70", Offset = "0x1C86970", VA = "0x181C87F70")]
		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: 0x0600B0D6 RID: 45270 RVA: 0x00295274 File Offset: 0x00293474
		[Token(Token = "0x600B0D6")]
		[Address(RVA = "0x1C88DE0", Offset = "0x1C877E0", VA = "0x181C88DE0")]
		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: 0x0600B0D7 RID: 45271 RVA: 0x002952A8 File Offset: 0x002934A8
		[Token(Token = "0x600B0D7")]
		[Address(RVA = "0x1C89330", Offset = "0x1C87D30", VA = "0x181C89330")]
		public static void WriteLine(this Stream fs)
		{
			int num = fs.ReadByte();
		}

		// Token: 0x0600B0D8 RID: 45272 RVA: 0x002952C4 File Offset: 0x002934C4
		[Token(Token = "0x600B0D8")]
		[Address(RVA = "0x1C894B0", Offset = "0x1C87EB0", VA = "0x181C894B0")]
		public static void WriteLine(this Stream fs, string line)
		{
			byte[] asciibytes = line.GetASCIIBytes();
			int num = fs.ReadByte();
			fs.WriteLine();
			VariableSizedBufferPool.Release(asciibytes);
		}

		// Token: 0x0600B0D9 RID: 45273 RVA: 0x002952F4 File Offset: 0x002934F4
		[Token(Token = "0x600B0D9")]
		[Address(RVA = "0x1C893C0", Offset = "0x1C87DC0", VA = "0x181C893C0")]
		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: 0x0600B0DA RID: 45274 RVA: 0x00295328 File Offset: 0x00293528
		[Token(Token = "0x600B0DA")]
		[Address(RVA = "0x1C88050", Offset = "0x1C86A50", VA = "0x181C88050")]
		public static string GetRequestPathAndQueryURL(this Uri uri)
		{
			string parts = uri.GetParts(UriComponents.PathAndQuery, UriFormat.UriEscaped);
			return "/";
		}

		// Token: 0x0600B0DB RID: 45275 RVA: 0x0029534C File Offset: 0x0029354C
		[Token(Token = "0x600B0DB")]
		[Address(RVA = "0x1C87DD0", Offset = "0x1C867D0", VA = "0x181C87DD0")]
		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: 0x0600B0DC RID: 45276 RVA: 0x002953D0 File Offset: 0x002935D0
		[Token(Token = "0x600B0DC")]
		[Address(RVA = "0xE3A240", Offset = "0xE38C40", VA = "0x180E3A240")]
		public static void WriteArray(this Stream stream, byte[] array)
		{
			int num = stream.ReadByte();
		}

		// Token: 0x0600B0DD RID: 45277 RVA: 0x002953EC File Offset: 0x002935EC
		[Token(Token = "0x600B0DD")]
		[Address(RVA = "0x1C880C0", Offset = "0x1C86AC0", VA = "0x181C880C0")]
		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: 0x0600B0DE RID: 45278 RVA: 0x00295444 File Offset: 0x00293644
		[Token(Token = "0x600B0DE")]
		[Address(RVA = "0x1C882D0", Offset = "0x1C86CD0", VA = "0x181C882D0")]
		public static bool IsIpV4AddressValid(string address)
		{
			if (string.IsNullOrEmpty(address))
			{
			}
			string text = address.Trim();
			bool flag;
			return flag;
		}

		// Token: 0x0600B0DF RID: 45279 RVA: 0x0029546C File Offset: 0x0029366C
		[Token(Token = "0x600B0DF")]
		[Address(RVA = "0x1C88380", Offset = "0x1C86D80", VA = "0x181C88380")]
		public static bool IsIpV6AddressValid(string address)
		{
			bool flag;
			if (!string.IsNullOrEmpty(address) && flag)
			{
				bool flag2;
				return flag2;
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600B0E0 RID: 45280 RVA: 0x00295490 File Offset: 0x00293690
		[Token(Token = "0x600B0E0")]
		[Address(RVA = "0x1C88FC0", Offset = "0x1C879C0", VA = "0x181C88FC0")]
		public static int ToInt32(this string str, int defaultValue = 0)
		{
			if (str != 0)
			{
				return int.Parse(str);
			}
			return defaultValue;
		}

		// Token: 0x0600B0E1 RID: 45281 RVA: 0x002954AC File Offset: 0x002936AC
		[Token(Token = "0x600B0E1")]
		[Address(RVA = "0x1C89040", Offset = "0x1C87A40", VA = "0x181C89040")]
		public static long ToInt64(this string str, long defaultValue = 0L)
		{
			if (str != 0)
			{
				return long.Parse(str);
			}
			return defaultValue;
		}

		// Token: 0x0600B0E2 RID: 45282 RVA: 0x002954C8 File Offset: 0x002936C8
		[Token(Token = "0x600B0E2")]
		[Address(RVA = "0x1C88F10", Offset = "0x1C87910", VA = "0x181C88F10")]
		public static DateTime ToDateTime(this string str, [Optional] DateTime defaultValue)
		{
			if (str != 0)
			{
				bool flag = DateTime.TryParse(str, defaultValue);
			}
			return defaultValue;
		}

		// Token: 0x0600B0E3 RID: 45283 RVA: 0x002954E4 File Offset: 0x002936E4
		[Token(Token = "0x600B0E3")]
		[Address(RVA = "0x1C890C0", Offset = "0x1C87AC0", VA = "0x181C890C0")]
		public static string ToStrOrEmpty(this string str)
		{
			if (str != 0)
			{
				return str;
			}
			return string.Empty;
		}

		// Token: 0x0600B0E4 RID: 45284 RVA: 0x002954FC File Offset: 0x002936FC
		[Token(Token = "0x600B0E4")]
		[Address(RVA = "0x1C87D30", Offset = "0x1C86730", VA = "0x181C87D30")]
		public static string CalculateMD5Hash(this string input)
		{
			byte[] asciibytes = input.GetASCIIBytes();
			string text = asciibytes.CalculateMD5Hash();
			VariableSizedBufferPool.Release(asciibytes);
			return text;
		}

		// Token: 0x0600B0E5 RID: 45285 RVA: 0x00295520 File Offset: 0x00293720
		[Token(Token = "0x600B0E5")]
		[Address(RVA = "0x1C87B60", Offset = "0x1C86560", VA = "0x181C87B60")]
		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;
					num++;
				}
				VariableSizedBufferPool.Release(array);
				int hashCode = stringBuilder.GetHashCode();
				if (md != 0)
				{
				}
				if (num != -1)
				{
				}
			}
			while (num != 0);
			throw new IndexOutOfRangeException();
		}

		// Token: 0x0600B0E6 RID: 45286 RVA: 0x002955A0 File Offset: 0x002937A0
		[Token(Token = "0x600B0E6")]
		[Address(RVA = "0x1C88CF0", Offset = "0x1C876F0", VA = "0x181C88CF0")]
		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: 0x0600B0E7 RID: 45287 RVA: 0x002955D8 File Offset: 0x002937D8
		[Token(Token = "0x600B0E7")]
		[Address(RVA = "0x1C88BE0", Offset = "0x1C875E0", VA = "0x181C88BE0")]
		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: 0x0600B0E8 RID: 45288 RVA: 0x00295608 File Offset: 0x00293808
		[Token(Token = "0x600B0E8")]
		[Address(RVA = "0x1C88A20", Offset = "0x1C87420", VA = "0x181C88A20")]
		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: 0x0600B0E9 RID: 45289 RVA: 0x00295658 File Offset: 0x00293858
		[Token(Token = "0x600B0E9")]
		[Address(RVA = "0x1C88E70", Offset = "0x1C87870", VA = "0x181C88E70")]
		internal static void SkipWhiteSpace(this string str, ref int pos)
		{
			char c;
			if (char.IsWhiteSpace(c))
			{
			}
		}

		// Token: 0x0600B0EA RID: 45290 RVA: 0x00295674 File Offset: 0x00293874
		[Token(Token = "0x600B0EA")]
		[Address(RVA = "0x1C89110", Offset = "0x1C87B10", VA = "0x181C89110")]
		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: 0x0600B0EB RID: 45291 RVA: 0x002956E4 File Offset: 0x002938E4
		[Token(Token = "0x600B0EB")]
		[Address(RVA = "0x1C88840", Offset = "0x1C87240", VA = "0x181C88840")]
		internal static char? Peek(this string str, int pos)
		{
			if (pos < str.m_stringLength)
			{
				char c = str[pos];
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600B0EC RID: 45292 RVA: 0x0029570C File Offset: 0x0029390C
		[Token(Token = "0x600B0EC")]
		[Address(RVA = "0x1C88420", Offset = "0x1C86E20", VA = "0x181C88420")]
		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: 0x0600B0ED RID: 45293 RVA: 0x00295798 File Offset: 0x00293998
		[Token(Token = "0x600B0ED")]
		[Address(RVA = "0x1C88620", Offset = "0x1C87020", VA = "0x181C88620")]
		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: 0x0600B0EE RID: 45294 RVA: 0x0029581C File Offset: 0x00293A1C
		[Token(Token = "0x600B0EE")]
		[Address(RVA = "0x1C888D0", Offset = "0x1C872D0", VA = "0x181C888D0")]
		public static void ReadBuffer(this Stream stream, byte[] buffer)
		{
			int num = 0;
			int num2 = buffer.Length;
			num2 -= num;
		}

		// Token: 0x0600B0EF RID: 45295 RVA: 0x0029583C File Offset: 0x00293A3C
		[Token(Token = "0x600B0EF")]
		[Address(RVA = "0x1C88970", Offset = "0x1C87370", VA = "0x181C88970")]
		public static void ReadBuffer(this Stream stream, byte[] buffer, int length)
		{
		}

		// Token: 0x0600B0F0 RID: 45296 RVA: 0x00295854 File Offset: 0x00293A54
		[Token(Token = "0x600B0F0")]
		[Address(RVA = "0x1C89740", Offset = "0x1C88140", VA = "0x181C89740")]
		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: 0x0600B0F1 RID: 45297 RVA: 0x00295894 File Offset: 0x00293A94
		[Token(Token = "0x600B0F1")]
		[Address(RVA = "0x1C892A0", Offset = "0x1C87CA0", VA = "0x181C892A0")]
		public static void WriteLine(this BufferPoolMemoryStream ms)
		{
			byte[] eol = HTTPRequest.EOL;
			int num = ms.ReadByte();
		}

		// Token: 0x0600B0F2 RID: 45298 RVA: 0x002958B4 File Offset: 0x00293AB4
		[Token(Token = "0x600B0F2")]
		[Address(RVA = "0x1C89580", Offset = "0x1C87F80", VA = "0x181C89580")]
		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: 0x0600B0F3 RID: 45299 RVA: 0x00295900 File Offset: 0x00293B00
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600B0F3")]
		[Address(RVA = "0x1C89860", Offset = "0x1C88260", VA = "0x181C89860")]
		static Extensions()
		{
			Regex regex = new Regex("\\b(?:\\d{1,3}\\.){3}\\d{1,3}\\b", RegexOptions.IgnoreCase);
		}

		// Token: 0x0400741C RID: 29724
		[Token(Token = "0x400741C")]
		private static readonly Regex validIpV4AddressRegex;
	}
}