CodeLiturgy.Dashboard/BlueWest.Views/SessionManager.cs

130 lines
3.3 KiB
C#

using System;
using System.Threading;
using System.Threading.Tasks;
using BlueWest.Data.Application;
using BlueWest.Data.Auth;
using Microsoft.Extensions.Hosting;
using Redis.OM;
using Redis.OM.Searching;
namespace BlueWest.Views;
/// <summary>
/// Session Provider Context
/// </summary>
public sealed class SessionManager : ISessionCache
{
private readonly RedisConnectionProvider _provider;
private readonly RedisCollection<SessionToken> _sessionTokens;
/// <summary>
/// Index Creation Device
/// </summary>
/// <param name="provider">Redis connection</param>
public SessionManager(
RedisConnectionProvider provider)
{
_provider = provider;
_sessionTokens = (RedisCollection<SessionToken>) provider.RedisCollection<SessionToken>();
}
/// <summary>
/// Empty constructor
/// </summary>
public SessionManager()
{
}
/// <summary>
/// Get a session token by the respective Id.
/// </summary>
/// <param name="tokenId"></param>
/// <returns></returns>
public async Task<SessionToken> GetSessionTokenByIdAsync(string tokenId)
{
return await _sessionTokens.Where(x => x.Id == tokenId)
.FirstOrDefaultAsync();
}
/// <summary>
/// Create a new session token
/// </summary>
/// <param name="token"></param>
public async Task AddSessionToken(SessionToken token)
{
await _sessionTokens.InsertAsync(token);
}
/// <inheritdoc />
public async Task SaveAsync()
{
await _sessionTokens.SaveAsync();
}
/// <summary>
/// Save session data
/// </summary>
public void Save()
{
_sessionTokens.Save();
}
/// <summary>
/// Gets a Bearer By Access Token Id
/// </summary>
/// <param name="sessionTokenId"></param>
public async Task<bool> IsSessionValidAsync(string sessionTokenId)
{
var accessToken = await _sessionTokens
.Where(t => t.Id == sessionTokenId)
.FirstOrDefaultAsync();
if (accessToken == null) return false;
if (accessToken.IsValid)
{
// Check if it's not expired
var expirationDate = accessToken.CreatedDate + accessToken.ValidFor;
var timeNow = DateTimeOffset.Now.ToUnixTimeMilliseconds();
if (expirationDate >= timeNow) return accessToken.IsValid;
accessToken.IsValid = false;
await _sessionTokens.SaveAsync();
}
return accessToken.IsValid;
}
/// <summary>
/// Checks if a session is valid
/// </summary>
/// <param name="sessionTokenId"></param>
/// <returns></returns>
public bool IsSessionValid(string sessionTokenId)
{
var accessToken = _sessionTokens
.FirstOrDefault(t => t.Id == sessionTokenId);
if (accessToken == null) return false;
if (!accessToken.IsValid) return accessToken.IsValid;
accessToken.Validate();
_sessionTokens.Save();
return accessToken.IsValid;
}
/// <inheritdoc />
public async Task StartAsync(CancellationToken cancellationToken)
{
await _provider.Connection.CreateIndexAsync(typeof(SessionToken));
}
/// <inheritdoc />
public Task StopAsync(CancellationToken cancellationToken)
{
return Task.CompletedTask;
}
}