holy shit, setup auth with pow in 20 minutes :D

config/config.exs

@@ -10,6 +10,13 @@ use Mix.Config
 config :dagon,
   ecto_repos: [Dagon.Repo]
 
+# Configure Pow Auth
+config :dagon, :pow,
+  user: Dagon.Users.User,
+  repo: Dagon.Repo,
+  extension: [PowPersistentSession],
+  web_module: DagonWeb
+
 # Configures the endpoint
 config :dagon, DagonWeb.Endpoint,
   url: [host: "localhost"],

lib/dagon/users/user.ex

@@ -0,0 +1,10 @@
+defmodule Dagon.Users.User do
+  use Ecto.Schema
+  use Pow.Ecto.Schema
+
+  schema "users" do
+    pow_user_fields()
+
+    timestamps()
+  end
+end

lib/dagon_web/endpoint.ex

@@ -47,5 +47,8 @@ defmodule DagonWeb.Endpoint do
     key: "_dagon_key",
     signing_salt: "ABRnPJaN"
 
+  plug Pow.Plug.Session, otp_app: :dagon
+  plug PowPersistentSession.Plug.Cookie
+
   plug DagonWeb.Router
 end

lib/dagon_web/router.ex

@@ -1,5 +1,6 @@
 defmodule DagonWeb.Router do
   use DagonWeb, :router
+  use Pow.Phoenix.Router
 
   pipeline :browser do
     plug :accepts, ["html"]
@@ -9,13 +10,20 @@ defmodule DagonWeb.Router do
     plug :put_secure_browser_headers
   end
 
-  pipeline :api do
-    plug :accepts, ["json"]
+  pipeline :protected do
+    plug Pow.Plug.RequireAuthenticated,
+      error_handler: Pow.Phoenix.PlugErrorHandler
   end
 
-  scope "/", DagonWeb do
+  scope "/" do
     pipe_through :browser
 
+    pow_routes()
+  end
+
+  scope "/", DagonWeb do
+    pipe_through [:browser, :protected]
+
     get "/", PageController, :index
     get "/dashboard", DashboardController, :index
 
@@ -27,9 +35,4 @@ defmodule DagonWeb.Router do
     resources "/workers", WorkerController, only: [:index, :edit, :update]
     get "/workers/:id/run", WorkerController, :run
   end
-
-  # Other scopes may use custom stacks.
-  # scope "/api", DagonWeb do
-  #   pipe_through :api
-  # end
 end

lib/dagon_web/templates/dashboard/index.html.eex

@@ -1,4 +1,25 @@
 <div class="columns has-margin-top">
+	<div class="column is-one-quarter">
+		<div class="card">
+			<div class="card-content">
+				<div class="media">
+					<figure class="media-left">
+						<span class="image is-64x64">
+							<img src='<%= Routes.static_path(@conn, "/images/user.jpg") %>' alt="">
+						</span>
+					</figure>
+					<div class="media-content">
+						<% user = Pow.Plug.current_user(@conn) %>
+						<strong><%= user.email %></strong>
+						<div><%= link "Sign out", to: Routes.pow_session_path(@conn, :delete), method: :delete %></div>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
+</div>
+
+<div class="columns ">
 	<div class="column">
 		<div class="card">
 			<div class="card-content">

lib/dagon_web/templates/pow/registration/edit.html.eex

@@ -0,0 +1,30 @@
+<h1>Edit profile</h1>
+
+<%= form_for @changeset, @action, [as: :user], fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, :current_password %>
+  <%= password_input f, :current_password %>
+  <%= error_tag f, :current_password %>
+
+  <%= label f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+  <%= text_input f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+  <%= error_tag f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+
+  <%= label f, :password %>
+  <%= password_input f, :password %>
+  <%= error_tag f, :password %>
+
+  <%= label f, :confirm_password %>
+  <%= password_input f, :confirm_password %>
+  <%= error_tag f, :confirm_password %>
+
+  <div>
+    <%= submit "Update" %>
+  </div>
+<% end %>
+

lib/dagon_web/templates/pow/registration/new.html.eex

@@ -0,0 +1,28 @@
+<h1>Register</h1>
+
+<%= form_for @changeset, @action, [as: :user], fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+  <%= text_input f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+  <%= error_tag f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+
+  <%= label f, :password %>
+  <%= password_input f, :password %>
+  <%= error_tag f, :password %>
+
+  <%= label f, :confirm_password %>
+  <%= password_input f, :confirm_password %>
+  <%= error_tag f, :confirm_password %>
+
+  <div>
+    <%= submit "Register" %>
+  </div>
+<% end %>
+
+
+<span><%= link "Sign in", to: Routes.pow_session_path(@conn, :new) %></span>

lib/dagon_web/templates/pow/session/new.html.eex

@@ -0,0 +1,35 @@
+<h1>Sign in</h1>
+
+<div class="card">
+  <div class="card-content">
+    <%= form_for @changeset, @action, [as: :user, class: "form"], fn f -> %>
+      <%= if @changeset.action do %>
+        <div class="alert alert-danger">
+          <p>Oops, something went wrong! Please check the errors below.</p>
+        </div>
+      <% end %>
+
+      <div class="field">
+        <%= label f, Pow.Ecto.Schema.user_id_field(@changeset), class: "label" %>
+        <%= text_input f, Pow.Ecto.Schema.user_id_field(@changeset), class: "input" %>
+        <%= error_tag f, Pow.Ecto.Schema.user_id_field(@changeset) %>
+      </div>
+
+      <div class="field">
+        <%= label f, :password, class: "label" %>
+        <%= password_input f, :password, class: "input" %>
+        <%= error_tag f, :password %>
+      </div>
+
+      <div class="field is-grouped">
+        <div class="control">
+          <%= submit "Sign in", class: "button is-primary" %>
+          
+        </div>
+        <div class="control">
+          <%= link "Register", to: Routes.pow_registration_path(@conn, :new), class: "button" %>
+        </div>
+      </div>
+    <% end %>
+  </div>
+</div>

lib/dagon_web/views/pow/registration_view.ex

@@ -0,0 +1,3 @@
+defmodule DagonWeb.Pow.RegistrationView do
+  use DagonWeb, :view
+end

lib/dagon_web/views/pow/session_view.ex

@@ -0,0 +1,3 @@
+defmodule DagonWeb.Pow.SessionView do
+  use DagonWeb, :view
+end

mix.exs

@@ -48,6 +48,7 @@ defmodule Dagon.MixProject do
       {:plug_cowboy, "~> 2.0"},
       {:postgrex, ">= 0.0.0"},
       {:timex, "~> 3.6"},
+      {:pow, "~> 1.0.15"},
       {:quantum, "~> 2.3"},
       {:que, "~> 0.10.1"}
     ]

mix.lock

@@ -38,6 +38,7 @@
   "plug_cowboy": {:hex, :plug_cowboy, "2.1.0", "b75768153c3a8a9e8039d4b25bb9b14efbc58e9c4a6e6a270abff1cd30cbe320", [:mix], [{:cowboy, "~> 2.5", [hex: :cowboy, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
   "plug_crypto": {:hex, :plug_crypto, "1.0.0", "18e49317d3fa343f24620ed22795ec29d4a5e602d52d1513ccea0b07d8ea7d4d", [:mix], [], "hexpm"},
   "postgrex": {:hex, :postgrex, "0.15.1", "23ce3417de70f4c0e9e7419ad85bdabcc6860a6925fe2c6f3b1b5b1e8e47bf2f", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
+  "pow": {:hex, :pow, "1.0.15", "9267b5c75df2d59968585c042e2a0ec6217b1959d3afd629817461f0a20e903c", [:mix], [{:ecto, "~> 2.2 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.3.0 or ~> 1.4.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, ">= 2.0.0 and <= 3.0.0", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:plug, ">= 1.5.0 and < 2.0.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm"},
   "quantum": {:hex, :quantum, "2.3.4", "72a0e8855e2adc101459eac8454787cb74ab4169de6ca50f670e72142d4960e9", [:mix], [{:calendar, "~> 0.17", [hex: :calendar, repo: "hexpm", optional: true]}, {:crontab, "~> 1.1", [hex: :crontab, repo: "hexpm", optional: false]}, {:gen_stage, "~> 0.12", [hex: :gen_stage, repo: "hexpm", optional: false]}, {:swarm, "~> 3.3", [hex: :swarm, repo: "hexpm", optional: false]}, {:timex, "~> 3.1", [hex: :timex, repo: "hexpm", optional: true]}], "hexpm"},
   "que": {:hex, :que, "0.10.1", "788ed0ec92ed69bdf9cfb29bf41a94ca6355b8d44959bd0669cf706e557ac891", [:mix], [{:ex_utils, "~> 0.1.6", [hex: :ex_utils, repo: "hexpm", optional: false]}, {:memento, "~> 0.3.0", [hex: :memento, repo: "hexpm", optional: false]}], "hexpm"},
   "ranch": {:hex, :ranch, "1.7.1", "6b1fab51b49196860b733a49c07604465a47bdb78aa10c1c16a3d199f7f8c881", [:rebar3], [], "hexpm"},

priv/repo/migrations/20191123143555_create_users.exs

@@ -0,0 +1,14 @@
+defmodule Dagon.Repo.Migrations.CreateUsers do
+  use Ecto.Migration
+
+  def change do
+    create table(:users) do
+      add :email, :string, null: false
+      add :password_hash, :string
+
+      timestamps()
+    end
+
+    create unique_index(:users, [:email])
+  end
+end