/// <summary>
/// Returns the user cache of the given user. If the user does not exist in CAM it is added. If
/// the user is invalid according to cam no permissions are cached.
/// </summary>
/// <param name="user">The user to return cache for.</param>
/// <returns>The user's cache.</returns>
public async Task <UserCache> GetUserCacheAsync(IWebApiUser user)
{
Contract.Requires(user != null, "The user must not be null.");
var userCache = cacheService.GetUserCache(user);
logger.Info("User [{0}] is cached: {1}.", user, userCache != null);
if (userCache == null)
{
logger.Info("Caching user [{0}] information.", user);
var camUser = await userService.GetUserByIdAsync(user.Id);
var isValidUser = false;
IEnumerable <IPermission> permissions = new List <IPermission>();
if (camUser != null)
{
isValidUser = await userService.IsUserValidAsync(user.Id);
if (isValidUser)
{
permissions = await GetUserPermissionsAsync(camUser.PrincipalId);
}
}
else
{
camUser = new User();
}
userCache = new UserCache(user, camUser, isValidUser, permissions);
cacheService.Add(userCache);
return(userCache);
}
else
{
return(userCache);
}
}
public override async Task <IResult <TResponse> > Handle(TRequest request, CancellationToken cancellationToken)
{
var code = GenerateKey(request);
TResponse existing;
if (request.CacheControl != CacheControl.NoCache)
{
existing = _cacheService.Get <TResponse>(code);
if (existing != null)
{
request.CompletedFromCache = true;
OnGotFromCache(existing, code);
return(Result.Success(existing));
}
}
if (request.CacheControl == CacheControl.OnlyIfCached)
{
return(Result.Failure <TResponse>(ErrorCodes.NotFound));
}
var result = await HandleImpl(request, cancellationToken)
.ConfigureAwait(false);
if (result.IsFailure)
{
return(result);
}
var regions = Enum.GetValues <CacheRegion>()
.Where(r => request.CacheRegion.HasFlag(r))
.Select(r => r.ToString())
.ToArray();
_cacheService.Add(result.Value, code, regions);
OnAddedToCache(result.Value, code, request.CacheRegion.ToString());
return(result);
}
public UserModule(IUserService userService, IErrorService error, IPasswordService passwordService, IUserCacheService userCacheService) : base("/user")
{
Post["/create"] = _ =>
{
if (Params.AreMissing("UserName", "Email"))
{
return(error.MissingParameters(Response));
}
if (userService.GetUserByName(Params.UserName) != null)
{
return(error.UserNameTaken(Response));
}
if (!Params.Email.IsEmail())
{
return(error.InvalidParameters(Response));
}
var password = userService.CreateUser(Params.UserName, Params.Email);
return((string.IsNullOrWhiteSpace(password)) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password }));
};
Post["/validate"] = _ =>
{
if (Params.AreMissing("UserName", "Password"))
{
return(error.MissingParameters(Response));
}
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsPasswordValid(user, Params.Password))
{
return(error.NoUserForCredentials(Response));
}
var key = userCacheService.Add(user);
return((key == null) ? error.InvalidParameters(Response) : Response.AsJson(new { ThumbKey = key }));
};
Post["/get"] = _ =>
{
if (Params.AreMissing("ThumbKey"))
{
return(error.MissingParameters(Response));
}
if (!Params.ThumbKey.IsGuid())
{
return(error.InvalidParameters(Response));
}
var user = userCacheService.GetUser(Params.ThumbKey);
return((user == null) ? error.NoUserForThumbkey(Response) : Response.AsJson(new { User = new { Id = user.Id, UserName = user.UserName, Email = user.Email } }));
};
Post["/validate/thumbkey"] = _ =>
{
if (Params.AreMissing("ThumbKey"))
{
return(error.MissingParameters(Response));
}
if (!Params.ThumbKey.IsGuid())
{
return(error.InvalidParameters(Response));
}
var isValid = userCacheService.Validate(Params.ThumbKey);
return(!isValid?error.NoUserForThumbkey(Response) : HttpStatusCode.OK);
};
Post["/validate/name"] = _ =>
{
if (Params.AreMissing("UserName"))
{
return(error.MissingParameters(Response));
}
var isValid = userService.GetUserByName(Params.UserName) == null;
return(!isValid?error.UserNameTaken(Response) : HttpStatusCode.OK);
};
Post["/reset/password"] = _ =>
{
if (Params.AreMissing("UserName", "Password"))
{
return(error.MissingParameters(Response));
}
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsPasswordValid(user, Params.Password))
{
return(error.NoUserForCredentials(Response));
}
var password = userService.ResetPassword(user);
return((password == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password }));
};
Post["/forgot-password/request"] = _ =>
{
if (Params.AreMissing("UserName", "Email"))
{
return(error.MissingParameters(Response));
}
if (!Params.Email.IsEmail())
{
return(error.InvalidParameters(Response));
}
var user = userService.GetUserByName(Params.UserName);
if (user == null)
{
return(error.NoUserForCredentials(Response));
}
if (user.Email != Params.Email)
{
return(error.NoUserForEmail(Response));
}
var token = userService.ForgotPasswordRequest(user);
return((token == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Token = token }));
};
Post["/forgot-password/reset"] = _ =>
{
if (Params.AreMissing("UserName", "Token"))
{
return(error.MissingParameters(Response));
}
if (!Params.Token.IsGuid())
{
return(error.InvalidParameters(Response));
}
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsForgotPasswordTokenValid(user, Params.Token))
{
return(error.InvalidForgotPasswordToken(Response));
}
var password = userService.ForgotPasswordReset(user);
return((password == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password }));
};
Post["/logout"] = _ =>
{
if (Params.AreMissing("ThumbKey"))
{
return(error.MissingParameters(Response));
}
if (!Params.ThumbKey.IsGuid())
{
return(error.InvalidParameters(Response));
}
var success = userCacheService.Remove(Params.ThumbKey);
return(!success?error.NoUserForThumbkey(Response) : HttpStatusCode.OK);
};
}
public UserModule(IUserService userService, IErrorService error, IPasswordService passwordService, IUserCacheService userCacheService)
: base("/user")
{
Post["/create"] = _ =>
{
if (Params.AreMissing("UserName", "Email")) return error.MissingParameters(Response);
if (userService.GetUserByName(Params.UserName)!=null) return error.UserNameTaken(Response);
if (!Params.Email.IsEmail()) return error.InvalidParameters(Response);
var password = userService.CreateUser(Params.UserName, Params.Email);
return (string.IsNullOrWhiteSpace(password)) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password });
};
Post["/validate"] = _ =>
{
if (Params.AreMissing("UserName", "Password")) return error.MissingParameters(Response);
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsPasswordValid(user, Params.Password)) return error.NoUserForCredentials(Response);
var key = userCacheService.Add(user);
return (key == null) ? error.InvalidParameters(Response) : Response.AsJson(new { ThumbKey = key });
};
Post["/get"] = _ =>
{
if (Params.AreMissing("ThumbKey")) return error.MissingParameters(Response);
if (!Params.ThumbKey.IsGuid()) return error.InvalidParameters(Response);
var user = userCacheService.GetUser(Params.ThumbKey);
return (user == null) ? error.NoUserForThumbkey(Response) : Response.AsJson(new { User = new { Id = user.Id, UserName = user.UserName, Email = user.Email } });
};
Post["/validate/thumbkey"] = _ =>
{
if (Params.AreMissing("ThumbKey")) return error.MissingParameters(Response);
if (!Params.ThumbKey.IsGuid()) return error.InvalidParameters(Response);
var isValid = userCacheService.Validate(Params.ThumbKey);
return !isValid ? error.NoUserForThumbkey(Response) : HttpStatusCode.OK;
};
Post["/validate/name"] = _ =>
{
if (Params.AreMissing("UserName")) return error.MissingParameters(Response);
var isValid = userService.GetUserByName(Params.UserName)==null;
return !isValid ? error.UserNameTaken(Response) : HttpStatusCode.OK;
};
Post["/reset/password"] = _ =>
{
if (Params.AreMissing("UserName", "Password")) return error.MissingParameters(Response);
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsPasswordValid(user, Params.Password)) return error.NoUserForCredentials(Response);
var password = userService.ResetPassword(user);
return (password == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password });
};
Post["/forgot-password/request"] = _ =>
{
if (Params.AreMissing("UserName", "Email")) return error.MissingParameters(Response);
if (!Params.Email.IsEmail()) return error.InvalidParameters(Response);
var user = userService.GetUserByName(Params.UserName);
if (user == null) return error.NoUserForCredentials(Response);
if (user.Email != Params.Email) return error.NoUserForEmail(Response);
var token = userService.ForgotPasswordRequest(user);
return (token == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Token = token });
};
Post["/forgot-password/reset"] = _ =>
{
if (Params.AreMissing("UserName", "Token")) return error.MissingParameters(Response);
if (!Params.Token.IsGuid()) return error.InvalidParameters(Response);
var user = userService.GetUserByName(Params.UserName);
if (user == null || !passwordService.IsForgotPasswordTokenValid(user, Params.Token)) return error.InvalidForgotPasswordToken(Response);
var password = userService.ForgotPasswordReset(user);
return (password == null) ? error.InvalidParameters(Response) : Response.AsJson(new { Password = password });
};
Post["/logout"] = _ =>
{
if (Params.AreMissing("ThumbKey")) return error.MissingParameters(Response);
if (!Params.ThumbKey.IsGuid()) return error.InvalidParameters(Response);
var success = userCacheService.Remove(Params.ThumbKey);
return !success ? error.NoUserForThumbkey(Response) : HttpStatusCode.OK;
};
}
