// Decompiled with JetBrains decompiler
// Type: Rei.Fs.FsBase
// Assembly: Rei.Fs, Version=1.13.2.8796, Culture=neutral, PublicKeyToken=null
// MVID: D8B08A8B-697C-4439-9CFF-1BE4EE46F7B0
// Assembly location: F:\Eigene Dateien\Dropbox\portable Collection\Progs\CarotDAV\Rei.Fs.dll

using Microsoft.VisualBasic.CompilerServices;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;

namespace Rei.Fs
{
  [Serializable]
  public abstract class FsBase
  {
    private static SslProtocols pAvailableTlss = SslProtocols.None;
    private static string p_DefClientName;
    private const string boundarystring = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    private string p_ClientName;
    private string p_GroupName;
    private ConnectionSettingBase p_ConnectionSetting;
    private Uri p_BaseUri;

    static FsBase()
    {
      UriParserFixer.Register();
      Assembly executingAssembly = Assembly.GetExecutingAssembly();
      FsBase.p_DefClientName = ((AssemblyProductAttribute) executingAssembly.GetCustomAttributes(typeof (AssemblyProductAttribute), false)[0]).Product + executingAssembly.GetName().Version.ToString(3);
    }

    public static string CreateBoundary(int seed)
    {
      Random random = new Random(seed);
      StringBuilder stringBuilder = new StringBuilder(70);
      stringBuilder.Length = 0;
      stringBuilder.Append("----");
      while (stringBuilder.Length < 70)
        stringBuilder.Append("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"[random.Next("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".Length)]);
      return stringBuilder.ToString();
    }

    public static long ParseContentRange(string range, ref long start, ref long length, bool throwonsmall = true)
    {
      long result1 = 0;
      string str1 = range.Trim().ToLowerInvariant();
      string Left1 = "";
      long result2 = -1;
      int length1 = str1.IndexOf(" ");
      if (length1 >= 0)
      {
        Left1 = str1.Substring(0, length1);
        if (length1 >= str1.Length)
          throw new InvalidServerResponseException("Invalid Content-Range header(0).");
        str1 = str1.Substring(checked (length1 + 1)).Trim();
      }
      if (Operators.CompareString(Left1, "", false) != 0 && Operators.CompareString(Left1, "bytes", false) != 0 && Operators.CompareString(Left1, "byte", false) != 0)
        throw new InvalidServerResponseException("Invalid Content-Range header(1).");
      int length2 = str1.IndexOf("/");
      if (length2 < 0 || length2 >= str1.Length)
        throw new InvalidServerResponseException("Invalid Content-Range header(2).");
      string Left2 = str1.Substring(0, length2).Trim();
      string str2 = str1.Substring(checked (length2 + 1)).Trim();
      long result3;
      if (Operators.CompareString(str2, "*", false) == 0)
        result3 = -1L;
      else if (!long.TryParse(str2, out result3) || result3 < 0L)
        throw new InvalidServerResponseException("Invalid Content-Range header. Invalid instance-length.");
      if (Operators.CompareString(Left2, "*", false) == 0)
        throw new InvalidServerResponseException("Invalid Content-Range header. \"206 Partial Content\" must specify content range.");
      int length3 = Left2.IndexOf("-");
      if (length3 < 0 || length3 >= Left2.Length)
        throw new InvalidServerResponseException("Invalid Content-Range header. Invalid byte-range-resp-spec.");
      if (!long.TryParse(Left2.Substring(0, length3), out result1) || result1 < 0L)
        throw new InvalidServerResponseException("Invalid Content-Range header. Invalid first-byte-pos.");
      if (!long.TryParse(Left2.Substring(checked (length3 + 1)), out result2) || result2 < 0L)
        throw new InvalidServerResponseException("Invalid Content-Range header. Invalid last-byte-pos.");
      if (result2 < result1)
        throw new InvalidServerResponseException("Invalid Content-Range header. Inconsistent range.");
      if (result3 >= 0L && result2 > result3)
        throw new InvalidServerResponseException("Invalid Content-Range header. Inconsistent range.");
      if (result1 > start)
        throw new InvalidServerResponseException("Invalid Content-Range header. Content-Range header unmatch to Request.");
      if (length < 0L)
      {
        if (result3 >= 0L && result2 != checked (result3 - 1L))
          throw new InvalidServerResponseException("Invalid Content-Range header. Inconsistent range.");
      }
      else if (throwonsmall && checked (start + length - 1L) > result2)
        throw new InvalidRangeException("not enough length");
      start = result1;
      length = checked (result2 - result1 + 1L);
      return result3;
    }

    public static SslProtocols AvailableTlss()
    {
      if (FsBase.pAvailableTlss == SslProtocols.None)
      {
        SslProtocols sslProtocols = SslProtocols.None;
        Array values = System.Enum.GetValues(typeof (System.Security.Authentication.SslProtocols));
        int num1 = 0;
        int num2 = checked (values.Length - 1);
        int index = num1;
        while (index <= num2)
        {
          sslProtocols |= (SslProtocols) Conversions.ToInteger(values.GetValue(index));
          checked { ++index; }
        }
        FsBase.pAvailableTlss = sslProtocols & (SslProtocols.Default | SslProtocols.Tls11 | SslProtocols.Tls12);
      }
      return FsBase.pAvailableTlss;
    }

    protected FsBase(ConnectionSettingBase connectionsetting)
    {
      ServicePointManager.SecurityProtocol = (SecurityProtocolType) FsBase.AvailableTlss();
      this.p_ConnectionSetting = connectionsetting;
      this.p_GroupName = "";
      this.p_ClientName = FsBase.p_DefClientName;
      this.p_BaseUri = connectionsetting.TargetUri;
    }

    public virtual string UserName
    {
      get
      {
        return this.p_ConnectionSetting.UserName;
      }
    }

    public virtual string Password
    {
      get
      {
        return this.p_ConnectionSetting.Password;
      }
    }

    public virtual string ClientName
    {
      get
      {
        return this.p_ClientName;
      }
      set
      {
        this.p_ClientName = value;
      }
    }

    public virtual string GroupName
    {
      get
      {
        return this.p_GroupName;
      }
      set
      {
        this.p_GroupName = value;
      }
    }

    public virtual SecureType LastSecureType
    {
      get
      {
        return SecureType.None;
      }
    }

    public ConnectionSettingBase ConnectionSetting
    {
      get
      {
        return this.p_ConnectionSetting;
      }
    }

    protected Uri BaseUri
    {
      get
      {
        return this.p_BaseUri;
      }
    }

    public event EventHandler<LogMessageEventArgs> LogMessage;

    public void OnLogMessage(string message)
    {
      EventHandler<LogMessageEventArgs> logMessageEvent = this.LogMessageEvent;
      if (logMessageEvent == null)
        return;
      logMessageEvent((object) this, new LogMessageEventArgs(message));
    }

    public abstract FsAbility Ability { get; }

    public bool IsCaseSensitiveFs
    {
      get
      {
        return (this.Ability & FsAbility.IgnoreCase) == FsAbility.None;
      }
    }

    public virtual void ResetConnection()
    {
    }

    public abstract ResourceInfo GetInfo(Uri targeturi);

    public abstract ResourceInfo[] GetEntries(ResourceId id);

    public virtual ResourceInfo GetInfo(ResourceId id)
    {
      return this.GetInfo(id.Uri);
    }

    public virtual ResourceInfo GetInfo(ResourceId parentid, string name)
    {
      ResourceInfo[] entries = this.GetEntries(parentid);
      int num1 = 0;
      int num2 = checked (entries.Length - 1);
      int index = num1;
      while (index <= num2)
      {
        if (Operators.CompareString(UriUtil.GetLastName(entries[index].Id.Uri), name, false) == 0)
          return entries[index];
        checked { ++index; }
      }
      throw new RemoteResourceNotFoundException(UriUtil.CombineName(parentid.Uri, name));
    }

    public virtual ResourceInfo GetParentInfo(ResourceId id)
    {
      return this.GetInfo(UriUtil.GetParent(id.Uri));
    }

    public virtual ResourceInfo[] GetInfoAndEntries(Uri targeturi)
    {
      List<ResourceInfo> resourceInfoList = new List<ResourceInfo>();
      ResourceInfo info = this.GetInfo(targeturi);
      resourceInfoList.Add(info);
      if (info.IsCollection)
      {
        ResourceInfo[] entries = this.GetEntries(info.Id);
        resourceInfoList.AddRange((IEnumerable<ResourceInfo>) entries);
      }
      return resourceInfoList.ToArray();
    }

    public virtual ResourceInfo[] GetInfoAndEntries(ResourceId id)
    {
      List<ResourceInfo> resourceInfoList = new List<ResourceInfo>();
      ResourceInfo info = this.GetInfo(id);
      resourceInfoList.Add(info);
      if (info.IsCollection)
      {
        ResourceInfo[] entries = this.GetEntries(info.Id);
        resourceInfoList.AddRange((IEnumerable<ResourceInfo>) entries);
      }
      return resourceInfoList.ToArray();
    }

    public virtual ResourceInfo[] GetParentInfoAndEntries(ResourceId childid)
    {
      List<ResourceInfo> resourceInfoList = new List<ResourceInfo>();
      ResourceInfo parentInfo = this.GetParentInfo(childid);
      resourceInfoList.Add(parentInfo);
      if (parentInfo.IsCollection)
      {
        ResourceInfo[] entries = this.GetEntries(parentInfo.Id);
        resourceInfoList.AddRange((IEnumerable<ResourceInfo>) entries);
      }
      return resourceInfoList.ToArray();
    }

    public abstract ReturnedInfo CreateCollection(ResourceId parentid, string name);

    public abstract void Delete(ResourceId id);

    public abstract ReturnedInfo Move(ResourceId id, ResourceId newparentid, string newname, bool overwrite);

    public abstract ReturnedInfo Copy(ResourceId id, ResourceId newparentid, string newname, bool overwrite);

    public abstract ReturnedInfo SetTimes(ResourceId id, DateTime lastmodifiedtime, DateTime creationtime, DateTime lastaccesstime);

    public abstract ReturnedInfo SetResourceInfo(ResourceInfo info, ResourceInfo original);

    public virtual Stream OpenRead(Uri targeturi)
    {
      ResourceId id = this.GetInfo(targeturi).Id;
      long start = 0;
      long length = -1;
      return this.OpenRead(id, ref start, ref length);
    }

    public abstract Stream OpenRead(ResourceId id, ref long start, ref long length);

    public abstract Stream OpenWrite(ResourceId parentid, string name, long length);

    public abstract Stream OpenWriteOver(ResourceId id, long length);

    public abstract Stream OpenWriteResume(ResourceId id, ref long start, ref long length);

    public abstract ReturnedInfo CloseWrite(Stream st);

    public abstract string GetLock(ResourceId id, string owner, int timeoutseconds, FsBase.LockScope scope);

    public abstract void ReleaseLock(ResourceId id, string locktoken);

    public enum LockScope
    {
      Exclusive,
      Shared,
    }
  }
}