debianize-mobilizon/lib/mobilizon_web/resolvers/user.ex
2019-09-08 00:05:54 +02:00

223 lines
6.6 KiB
Elixir

defmodule MobilizonWeb.Resolvers.User do
@moduledoc """
Handles the user-related GraphQL calls
"""
alias Mobilizon.{Actors, Config, Users}
alias Mobilizon.Actors.Actor
alias Mobilizon.Service.Users.{ResetPassword, Activation}
alias Mobilizon.Users.User
import Mobilizon.Users.Guards
require Logger
@doc """
Find an user by it's ID
"""
def find_user(_parent, %{id: id}, _resolution) do
Users.get_user_with_actors(id)
end
@doc """
Return current logged-in user
"""
def get_current_user(
_parent,
_args,
%{
context: %{
current_user: user
}
}
) do
{:ok, user}
end
def get_current_user(_parent, _args, _resolution) do
{:error, "You need to be logged-in to view current user"}
end
@doc """
List instance users
"""
def list_and_count_users(
_parent,
%{page: page, limit: limit, sort: sort, direction: direction},
%{
context: %{
current_user: %User{
role: role
}
}
}
)
when is_moderator(role) do
total = Task.async(&Users.count_users/0)
elements = Task.async(fn -> Users.list_users(page, limit, sort, direction) end)
{:ok, %{total: Task.await(total), elements: Task.await(elements)}}
end
def list_and_count_users(_parent, _args, _resolution),
do: {:error, "You need to have admin access to list users"}
@doc """
Login an user. Returns a token and the user
"""
def login_user(_parent, %{email: email, password: password}, _resolution) do
with {:ok, %User{} = user} <- Users.get_user_by_email(email, true),
{:ok, %{access_token: access_token, refresh_token: refresh_token}} <-
Users.authenticate(%{user: user, password: password}) do
{:ok, %{access_token: access_token, refresh_token: refresh_token, user: user}}
else
{:error, :user_not_found} ->
{:error, "User with email not found"}
{:error, :unauthorized} ->
{:error, "Impossible to authenticate, either your email or password are invalid."}
end
end
@doc """
Refresh a token
"""
def refresh_token(
_parent,
%{
refresh_token: refresh_token
},
_context
) do
with {:ok, user, _claims} <- MobilizonWeb.Guardian.resource_from_token(refresh_token),
{:ok, _old, {exchanged_token, _claims}} <-
MobilizonWeb.Guardian.exchange(refresh_token, ["access", "refresh"], "access"),
{:ok, refresh_token} <- Users.generate_refresh_token(user) do
{:ok, %{access_token: exchanged_token, refresh_token: refresh_token}}
else
{:error, message} ->
Logger.debug("Cannot refresh user token: #{inspect(message)}")
{:error, "Cannot refresh the token"}
end
end
def refresh_token(_parent, _params, _context),
do: {:error, "You need to have an existing token to get a refresh token"}
@doc """
Register an user:
- check registrations are enabled
- create the user
- send a validation email to the user
"""
@spec create_user(any(), map(), any()) :: tuple()
def create_user(_parent, args, _resolution) do
with {:registrations_open, true} <- {:registrations_open, Config.instance_registrations_open?()},
{:ok, %User{} = user} <- Users.register(args) do
Activation.send_confirmation_email(user)
{:ok, user}
else
{:registrations_open, false} ->
{:error, "Registrations are not enabled"}
error ->
error
end
end
@doc """
Validate an user, get it's actor and a token
"""
def validate_user(_parent, %{token: token}, _resolution) do
with {:check_confirmation_token, {:ok, %User{} = user}} <-
{:check_confirmation_token, Activation.check_confirmation_token(token)},
{:get_actor, actor} <- {:get_actor, Users.get_actor_for_user(user)},
{:ok, %{access_token: access_token, refresh_token: refresh_token}} <-
Users.generate_tokens(user) do
{:ok,
%{
access_token: access_token,
refresh_token: refresh_token,
user: Map.put(user, :default_actor, actor)
}}
else
error ->
Logger.info("Unable to validate user with token #{token}")
Logger.debug(inspect(error))
{:error, "Unable to validate user"}
end
end
@doc """
Send the confirmation email again.
We only do this to accounts unconfirmed
"""
def resend_confirmation_email(_parent, %{email: email, locale: locale}, _resolution) do
with {:ok, user} <- Users.get_user_by_email(email, false),
{:ok, email} <-
Activation.resend_confirmation_email(user, locale) do
{:ok, email}
else
{:error, :user_not_found} ->
{:error, "No user to validate with this email was found"}
{:error, :email_too_soon} ->
{:error, "You requested again a confirmation email too soon"}
end
end
@doc """
Send an email to reset the password from an user
"""
def send_reset_password(_parent, %{email: email, locale: locale}, _resolution) do
with {:ok, user} <- Users.get_user_by_email(email, true),
{:ok, %Bamboo.Email{} = _email_html} <-
ResetPassword.send_password_reset_email(user, locale) do
{:ok, email}
else
{:error, :user_not_found} ->
# TODO : implement rate limits for this endpoint
{:error, "No user with this email was found"}
{:error, :email_too_soon} ->
{:error, "You requested again a confirmation email too soon"}
end
end
@doc """
Reset the password from an user
"""
def reset_password(_parent, %{password: password, token: token}, _resolution) do
with {:ok, %User{} = user} <-
ResetPassword.check_reset_password_token(password, token),
{:ok, %{access_token: access_token, refresh_token: refresh_token}} <-
Users.authenticate(%{user: user, password: password}) do
{:ok, %{access_token: access_token, refresh_token: refresh_token, user: user}}
end
end
@doc "Change an user default actor"
def change_default_actor(
_parent,
%{preferred_username: username},
%{
context: %{
current_user: user
}
}
) do
with %Actor{id: actor_id} <- Actors.get_local_actor_by_name(username),
{:user_actor, true} <-
{:user_actor, actor_id in Enum.map(Users.get_actors_for_user(user), & &1.id)},
%User{} = user <- Users.update_user_default_actor(user.id, actor_id) do
{:ok, user}
else
{:user_actor, _} ->
{:error, :actor_not_from_user}
_error ->
{:error, :unable_to_change_default_actor}
end
end
end