jellyfin/MediaBrowser.Model/Cryptography/PasswordHash.cs

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3.1 KiB
C#
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using System;
using System.Collections.Generic;
using System.Text;
namespace MediaBrowser.Model.Cryptography
{
public class PasswordHash
{
//Defined from this hash storage spec
//https://github.com/P-H-C/phc-string-format/blob/master/phc-sf-spec.md
//$<id>[$<param>=<value>(,<param>=<value>)*][$<salt>[$<hash>]]
public string Id;
public Dictionary<string, string> Parameters = new Dictionary<string, string>();
public string Salt;
public byte[] SaltBytes;
public string Hash;
public byte[] HashBytes;
public PasswordHash(string StorageString)
{
string[] a = StorageString.Split('$');
Id = a[1];
if (a[2].Contains("="))
{
foreach (string paramset in (a[2].Split(',')))
{
if (!String.IsNullOrEmpty(paramset))
{
string[] fields = paramset.Split('=');
Parameters.Add(fields[0], fields[1]);
}
}
if (a.Length == 4)
{
Salt = a[2];
SaltBytes = Convert.FromBase64CharArray(Salt.ToCharArray(), 0, Salt.Length);
Hash = a[3];
HashBytes = Convert.FromBase64CharArray(Hash.ToCharArray(), 0, Hash.Length);
}
else
{
Salt = string.Empty;
Hash = a[3];
HashBytes = Convert.FromBase64CharArray(Hash.ToCharArray(), 0, Hash.Length);
}
}
else
{
if (a.Length == 4)
{
Salt = a[2];
SaltBytes = Convert.FromBase64CharArray(Salt.ToCharArray(), 0, Salt.Length);
Hash = a[3];
HashBytes = Convert.FromBase64CharArray(Hash.ToCharArray(), 0, Hash.Length);
}
else
{
Salt = string.Empty;
Hash = a[2];
HashBytes = Convert.FromBase64CharArray(Hash.ToCharArray(), 0, Hash.Length);
}
}
}
public PasswordHash(ICryptoProvider cryptoProvider2)
{
Id = "SHA256";
SaltBytes = cryptoProvider2.GenerateSalt();
Salt = Convert.ToBase64String(SaltBytes);
}
private string SerializeParameters()
{
string ReturnString = String.Empty;
foreach (var KVP in Parameters)
{
ReturnString += String.Format(",{0}={1}", KVP.Key, KVP.Value);
}
if (ReturnString[0] == ',')
{
ReturnString = ReturnString.Remove(0, 1);
}
return ReturnString;
}
public override string ToString()
{
return String.Format("${0}${1}${2}${3}", Id, SerializeParameters(), Salt, Hash);
}
}
}