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guard
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Useful package for dealing with user authentication and signup
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Files
lib/guard/controller/password_reset_controller.ex
defmodule Guard.Controller.PasswordReset do
use Phoenix.Controller
alias Guard.{Authenticator, User, Users}
import Guard.Controller, only: [send_error: 2, send_error: 3]
plug Guardian.Plug.EnsureAuthenticated
def call(conn, opts) do
try do
super(conn, opts)
rescue
error -> send_error(conn, error, :internal_server_error)
end
end
defp do_update_password(conn, user, new_password, new_password_confirmation) do
update = if new_password_confirmation do
Users.update_user(user, %{"password" => new_password, "password_confirmation" => new_password_confirmation})
else
Users.update_user(user, %{"password" => new_password})
end
case update do
{:ok, _user} ->
json(conn, %{ok: true})
{:error, changeset} ->
send_error(conn, changeset)
end
end
def update_password(conn, %{"password" => password, "new_password" => new_password, "new_password_confirmation" => new_password_confirmation}) do
user = Authenticator.current_user(conn)
case User.check_password(user, password) do
true ->
do_update_password(conn, user, new_password, new_password_confirmation)
false ->
conn
|> put_status(:unprocessable_entity)
|> send_error(:wrong_password)
end
end
def update_password(conn, %{"password" => _password, "new_password" => _new_password} = params) do
update_password(conn, Map.put(params, "new_password_confirmation", nil))
end
def update_password(conn, %{"new_password" => new_password, "new_password_confirmation" => new_password_confirmation}) do
case Authenticator.current_claim_type(conn) do
"password_reset" ->
user = Authenticator.current_user(conn)
do_update_password(conn, user, new_password, new_password_confirmation)
_ ->
conn
|> put_status(:unprocessable_entity)
|> send_error(:bad_claim)
end
end
def update_password(conn, %{"new_password" => _new_password} = params) do
update_password(conn, Map.put(params, "new_password_confirmation", nil))
end
def update_password(conn, _) do
conn
|> put_status(:unprocessable_entity)
|> json(%{ok: false})
end
end