refactored for new project name

lib/shift73k_web/controllers/other_controller.ex

@@ -0,0 +1,16 @@
+defmodule Shift73kWeb.OtherController do
+  use Shift73kWeb, :controller
+
+  def index(conn, _params) do
+    conn
+    |> put_flash(:success, "Log in was a success. Good for you.")
+    |> put_flash(:error, "Lorem ipsum dolor sit amet consectetur adipisicing elit.")
+    |> put_flash(
+      :info,
+      "Lorem ipsum dolor sit amet consectetur adipisicing elit. Voluptatibus dolore sunt quia aperiam sint id reprehenderit? Dolore incidunt alias inventore accusantium nulla optio, ducimus eius aliquam hic, pariatur voluptate distinctio."
+    )
+    |> put_flash(:warning, "Oh no, there's nothing to worry about!")
+    |> put_flash(:primary, "Something in the brand color.")
+    |> render("index.html")
+  end
+end

lib/shift73k_web/controllers/user_auth.ex

@@ -0,0 +1,171 @@
+defmodule Shift73kWeb.UserAuth do
+  import Plug.Conn
+  import Phoenix.Controller
+
+  alias Shift73k.Accounts
+  alias Shift73kWeb.Router.Helpers, as: Routes
+
+  @pubsub_topic "user_updates"
+
+  # Make the remember me cookie valid for 60 days.
+  # If you want bump or reduce this value, also change
+  # the token expiry itself in UserToken.
+  @max_age 60 * 60 * 24 * 60
+  @remember_me_cookie "user_remember_me"
+  @remember_me_options [sign: true, max_age: @max_age, same_site: "Lax"]
+
+  @doc """
+  Logs the user in.
+
+  It renews the session ID and clears the whole session
+  to avoid fixation attacks. See the renew_session
+  function to customize this behaviour.
+
+  It also sets a `:live_socket_id` key in the session,
+  so LiveView sessions are identified and automatically
+  disconnected on log out. The line can be safely removed
+  if you are not using LiveView.
+  """
+  def log_in_user(conn, user, params \\ %{}) do
+    token = Accounts.generate_user_session_token(user)
+
+    conn
+    |> renew_session()
+    |> put_session(:user_token, token)
+    |> put_session(:live_socket_id, "users_sessions:#{Base.url_encode64(token)}")
+    |> maybe_write_remember_me_cookie(token, params)
+    |> redirect(to: get_session(conn, :user_return_to) || signed_in_path(conn))
+  end
+
+  defp maybe_write_remember_me_cookie(conn, token, %{"remember_me" => "true"}) do
+    put_resp_cookie(conn, @remember_me_cookie, token, @remember_me_options)
+  end
+
+  defp maybe_write_remember_me_cookie(conn, _token, _params) do
+    conn
+  end
+
+  # This function renews the session ID and erases the whole
+  # session to avoid fixation attacks. If there is any data
+  # in the session you may want to preserve after log in/log out,
+  # you must explicitly fetch the session data before clearing
+  # and then immediately set it after clearing, for example:
+  #
+  #     defp renew_session(conn) do
+  #       preferred_locale = get_session(conn, :preferred_locale)
+  #
+  #       conn
+  #       |> configure_session(renew: true)
+  #       |> clear_session()
+  #       |> put_session(:preferred_locale, preferred_locale)
+  #     end
+  #
+  defp renew_session(conn) do
+    conn
+    |> configure_session(renew: true)
+    |> clear_session()
+  end
+
+  @doc """
+  Logs the user out.
+
+  It clears all session data for safety. See renew_session.
+  """
+  def log_out_user(conn) do
+    user_token = get_session(conn, :user_token)
+    user_token && Accounts.delete_session_token(user_token)
+
+    if live_socket_id = get_session(conn, :live_socket_id) do
+      Shift73kWeb.Endpoint.broadcast(live_socket_id, "disconnect", %{})
+    end
+
+    conn
+    |> renew_session()
+    |> delete_resp_cookie(@remember_me_cookie)
+    |> redirect(to: "/")
+  end
+
+  @doc """
+  Authenticates the user by looking into the session
+  and remember me token.
+  """
+  def fetch_current_user(conn, _opts) do
+    {user_token, conn} = ensure_user_token(conn)
+    user = user_token && Accounts.get_user_by_session_token(user_token)
+    assign(conn, :current_user, user)
+  end
+
+  defp ensure_user_token(conn) do
+    if user_token = get_session(conn, :user_token) do
+      {user_token, conn}
+    else
+      conn = fetch_cookies(conn, signed: [@remember_me_cookie])
+
+      if user_token = conn.cookies[@remember_me_cookie] do
+        {user_token, put_session(conn, :user_token, user_token)}
+      else
+        {nil, conn}
+      end
+    end
+  end
+
+  @doc """
+  Used for routes that require the user to not be authenticated.
+  """
+  def redirect_if_user_is_authenticated(conn, _opts) do
+    if conn.assigns[:current_user] do
+      conn
+      |> redirect(to: signed_in_path(conn))
+      |> halt()
+    else
+      conn
+    end
+  end
+
+  @doc """
+  Used for routes that require the user to be authenticated.
+
+  If you want to enforce the user email is confirmed before
+  they use the application at all, here would be a good place.
+  """
+  def require_authenticated_user(conn, _opts) do
+    if conn.assigns[:current_user] do
+      conn
+    else
+      conn
+      |> put_flash(:error, "You must log in to access this page.")
+      |> maybe_store_return_to()
+      |> redirect(to: Routes.user_session_path(conn, :new))
+      |> halt()
+    end
+  end
+
+  @doc """
+  Used for routes that require the user's email to be confirmed.
+  """
+  def require_email_confirmed(conn, _opts) do
+    if conn.assigns[:current_user] |> Map.get(:confirmed_at) do
+      conn
+    else
+      conn
+      |> put_flash(:error, "You must confirm your email to access this page.")
+      |> redirect(to: Routes.user_confirmation_path(conn, :new))
+      |> halt()
+    end
+  end
+
+  @doc """
+  Returns the pubsub topic name for receiving  notifications when a user updated
+  """
+  def pubsub_topic, do: @pubsub_topic
+
+  defp maybe_store_return_to(%{method: "GET"} = conn) do
+    %{request_path: request_path, query_string: query_string} = conn
+    return_to = if query_string == "", do: request_path, else: request_path <> "?" <> query_string
+    put_session(conn, :user_return_to, return_to)
+  end
+
+  defp maybe_store_return_to(conn), do: conn
+
+  defp signed_in_path(_conn), do: "/"
+end

lib/shift73k_web/controllers/user_confirmation_controller.ex

@@ -0,0 +1,43 @@
+defmodule Shift73kWeb.UserConfirmationController do
+  use Shift73kWeb, :controller
+
+  alias Shift73k.Accounts
+
+  def new(conn, _params) do
+    render(conn, "new.html")
+  end
+
+  def create(conn, %{"user" => %{"email" => email}}) do
+    if user = Accounts.get_user_by_email(email) do
+      Accounts.deliver_user_confirmation_instructions(
+        user,
+        &Routes.user_confirmation_url(conn, :confirm, &1)
+      )
+    end
+
+    # Regardless of the outcome, show an impartial success/error message.
+    conn
+    |> put_flash(
+      :info,
+      "If your email is in our system and it has not been confirmed yet, " <>
+        "you will receive an email with instructions shortly."
+    )
+    |> redirect(to: "/")
+  end
+
+  # Do not log in the user after confirmation to avoid a
+  # leaked token giving the user access to the account.
+  def confirm(conn, %{"token" => token}) do
+    case Accounts.confirm_user(token) do
+      {:ok, _} ->
+        conn
+        |> put_flash(:info, "Account confirmed successfully.")
+        |> redirect(to: "/")
+
+      :error ->
+        conn
+        |> put_flash(:error, "Confirmation link is invalid or it has expired.")
+        |> redirect(to: "/")
+    end
+  end
+end

lib/shift73k_web/controllers/user_registration_controller.ex

@@ -0,0 +1,8 @@
+defmodule Shift73kWeb.UserRegistrationController do
+  use Shift73kWeb, :controller
+  import Phoenix.LiveView.Controller
+
+  def new(conn, _params) do
+    live_render(conn, Shift73kWeb.UserLive.Registration)
+  end
+end

lib/shift73k_web/controllers/user_reset_password_controller.ex

@@ -0,0 +1,46 @@
+defmodule Shift73kWeb.UserResetPasswordController do
+  use Shift73kWeb, :controller
+  import Phoenix.LiveView.Controller
+
+  alias Shift73k.Accounts
+
+  plug(:get_user_by_reset_password_token when action in [:edit])
+
+  def new(conn, _params) do
+    render(conn, "new.html")
+  end
+
+  def create(conn, %{"user" => %{"email" => email}}) do
+    if user = Accounts.get_user_by_email(email) do
+      Accounts.deliver_user_reset_password_instructions(
+        user,
+        &Routes.user_reset_password_url(conn, :edit, &1)
+      )
+    end
+
+    # Regardless of the outcome, show an impartial success/error message.
+    conn
+    |> put_flash(
+      :info,
+      "If your email is in our system, you'll receive instructions to reset your password shortly."
+    )
+    |> redirect(to: "/")
+  end
+
+  def edit(conn, _params) do
+    live_render(conn, Shift73kWeb.UserLive.ResetPassword)
+  end
+
+  defp get_user_by_reset_password_token(conn, _opts) do
+    %{"token" => token} = conn.params
+
+    if user = Accounts.get_user_by_reset_password_token(token) do
+      put_session(conn, "user_id", user.id)
+    else
+      conn
+      |> put_flash(:error, "Reset password link is invalid or it has expired.")
+      |> redirect(to: "/")
+      |> halt()
+    end
+  end
+end

lib/shift73k_web/controllers/user_session_controller.ex

@@ -0,0 +1,56 @@
+defmodule Shift73kWeb.UserSessionController do
+  use Shift73kWeb, :controller
+
+  alias Phoenix.HTML
+  alias Shift73k.Accounts
+  alias Shift73k.Accounts.User
+  alias Shift73kWeb.UserAuth
+
+  def new(conn, _params) do
+    render(conn, "new.html", error_message: nil)
+  end
+
+  def create(conn, %{"user" => %{"email" => email, "password" => password} = user_params}) do
+    if user = Accounts.get_user_by_email_and_password(email, password) do
+      conn
+      |> put_flash(
+        :info,
+        HTML.raw("Welcome back, #{user.email} — you were logged in successfuly.")
+      )
+      |> UserAuth.log_in_user(user, user_params)
+    else
+      render(conn, "new.html", error_message: "Invalid email or password")
+    end
+  end
+
+  def create(conn, %{"user" => %{"params_token" => token} = user_params}) do
+    with {:ok, params} <- Phoenix.Token.decrypt(Shift73kWeb.Endpoint, "login_params", token),
+         %User{} = user <- Accounts.get_user(params.user_id) do
+      conn
+      |> collect_messages(params.messages)
+      |> put_session(:user_return_to, params.user_return_to)
+      |> UserAuth.log_in_user(user, Map.put_new(user_params, "remember_me", "false"))
+    else
+      _ -> render(conn, "new.html", error_message: "Invalid email or password")
+    end
+  end
+
+  defp collect_messages(conn, messages) do
+    Enum.reduce(messages, conn, fn {type, msg}, acc -> put_flash(acc, type, msg) end)
+  end
+
+  def delete(conn, _params) do
+    conn
+    |> put_flash(:info, "Logged out successfully.")
+    |> UserAuth.log_out_user()
+  end
+
+  def force_logout(conn, _params) do
+    conn
+    |> put_flash(
+      :info,
+      "You were logged out. Please login again to continue using our application."
+    )
+    |> UserAuth.log_out_user()
+  end
+end

lib/shift73k_web/controllers/user_settings_controller.ex

@@ -0,0 +1,19 @@
+defmodule Shift73kWeb.UserSettingsController do
+  use Shift73kWeb, :controller
+
+  alias Shift73k.Accounts
+
+  def confirm_email(conn, %{"token" => token}) do
+    case Accounts.update_user_email(conn.assigns.current_user, token) do
+      :ok ->
+        conn
+        |> put_flash(:info, "Email changed successfully.")
+        |> redirect(to: Routes.user_settings_path(conn, :edit))
+
+      :error ->
+        conn
+        |> put_flash(:error, "Email change link is invalid or it has expired.")
+        |> redirect(to: Routes.user_settings_path(conn, :edit))
+    end
+  end
+end