94 lines
3.1 KiB
Elixir
94 lines
3.1 KiB
Elixir
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defmodule Mobilizon.Service.Auth.Authenticator do
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@moduledoc """
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Module to handle authentification (currently through database or LDAP)
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"""
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alias Mobilizon.Users
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alias Mobilizon.Users.User
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alias Mobilizon.Web.Auth.Guardian
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@type tokens :: %{
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required(:access_token) => String.t(),
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required(:refresh_token) => String.t()
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}
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@type tokens_with_user :: %{
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required(:access_token) => String.t(),
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required(:refresh_token) => String.t(),
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required(:user) => User.t()
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}
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def implementation do
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Mobilizon.Config.get(
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Mobilizon.Service.Auth.Authenticator,
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Mobilizon.Service.Auth.MobilizonAuthenticator
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)
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end
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@callback login(String.t(), String.t()) :: {:ok, User.t()} | {:error, any()}
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@spec login(String.t(), String.t()) :: {:ok, User.t()} | {:error, any()}
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def login(email, password), do: implementation().login(email, password)
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@callback can_change_email?(User.t()) :: boolean
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def can_change_email?(%User{} = user), do: implementation().can_change_email?(user)
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@callback can_change_password?(User.t()) :: boolean
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def can_change_password?(%User{} = user), do: implementation().can_change_password?(user)
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@spec has_password?(User.t()) :: boolean()
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def has_password?(%User{provider: provider}), do: is_nil(provider) or provider == "ldap"
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@spec can_reset_password?(User.t()) :: boolean()
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def can_reset_password?(%User{} = user), do: has_password?(user) && can_change_password?(user)
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@spec authenticate(String.t(), String.t()) :: {:ok, tokens_with_user()}
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def authenticate(email, password) do
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with {:ok, %User{} = user} <- login(email, password),
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{:ok, %{access_token: access_token, refresh_token: refresh_token}} <-
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generate_tokens(user) do
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{:ok, %{access_token: access_token, refresh_token: refresh_token, user: user}}
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end
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end
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@doc """
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Generates access token and refresh token for an user.
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"""
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@spec generate_tokens(User.t()) :: {:ok, tokens}
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def generate_tokens(user) do
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with {:ok, access_token} <- generate_access_token(user),
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{:ok, refresh_token} <- generate_refresh_token(user) do
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{:ok, %{access_token: access_token, refresh_token: refresh_token}}
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end
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end
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@doc """
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Generates access token for an user.
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"""
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@spec generate_access_token(User.t()) :: {:ok, String.t()}
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def generate_access_token(user) do
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with {:ok, access_token, _claims} <-
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Guardian.encode_and_sign(user, %{}, token_type: "access") do
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{:ok, access_token}
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end
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end
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@doc """
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Generates refresh token for an user.
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"""
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@spec generate_refresh_token(User.t()) :: {:ok, String.t()}
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def generate_refresh_token(user) do
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with {:ok, refresh_token, _claims} <-
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Guardian.encode_and_sign(user, %{}, token_type: "refresh") do
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{:ok, refresh_token}
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end
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end
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@spec fetch_user(String.t()) :: User.t() | {:error, :user_not_found}
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def fetch_user(nil), do: {:error, :user_not_found}
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def fetch_user(email) when not is_nil(email) do
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with {:ok, %User{} = user} <- Users.get_user_by_email(email, true) do
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user
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end
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end
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end
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