Files
mixtape/zero.Core/Api/Token.cs
T

110 lines
2.5 KiB
C#

using Raven.Client.Documents;
using Raven.Client.Documents.Session;
using System;
using System.Threading.Tasks;
using zero.Core.Entities;
using zero.Core.Extensions;
using zero.Core.Options;
namespace zero.Core.Api
{
public class Token : IToken
{
protected IDocumentStore Raven { get; private set; }
protected IZeroOptions Options { get; private set; }
private const string PREFIX = "ChangeTokens.";
public Token(IDocumentStore raven, IZeroOptions options)
{
Raven = raven;
Options = options;
}
/// <inheritdoc />
public async Task<bool> Verify(IZeroEntity entity, string token)
{
return await Verify(entity?.Id, token);
}
/// <inheritdoc />
public async Task<bool> Verify(string entityId, string token)
{
if (token.IsNullOrWhiteSpace() && entityId.IsNullOrEmpty())
{
return true;
}
if (token.IsNullOrWhiteSpace() || entityId.IsNullOrEmpty())
{
return false;
}
using (IAsyncDocumentSession session = Raven.OpenAsyncSession())
{
return await session.Query<ChangeToken>().AnyAsync(x => x.Id == token && x.ReferenceId == entityId);
}
}
/// <inheritdoc />
public async Task<string> Get(IZeroEntity entity)
{
return await Get(entity?.Id);
}
/// <inheritdoc />
public async Task<string> Get(string entityId)
{
if (entityId.IsNullOrEmpty())
{
return null;
}
ChangeToken token = new ChangeToken()
{
Id = Constants.Database.CollectionPrefix + PREFIX + Guid.NewGuid(),
ReferenceId = entityId
};
using (IAsyncDocumentSession session = Raven.OpenAsyncSession())
{
await session.StoreAsync(token);
session.Advanced.GetMetadataFor(token)[Constants.Database.Expires] = DateTime.UtcNow.AddMinutes(Options.TokenExpiration);
await session.SaveChangesAsync();
}
return token.Id;
}
}
public interface IToken
{
/// <summary>
/// Verifies if the change token is valid for the entity
/// </summary>
Task<bool> Verify(IZeroEntity entity, string token);
/// <summary>
/// Verifies if the change token is valid for the entity
/// </summary>
Task<bool> Verify(string entityId, string token);
/// <summary>
/// Get a new change token for the entity
/// </summary>
Task<string> Get(IZeroEntity entity);
/// <summary>
/// Get a new change token for the entity
/// </summary>
Task<string> Get(string entityId);
}
}