Add basic Pow configuration (with Pow 1.0.21)

.gitignore

@@ -35,3 +35,4 @@ npm-debug.log
 .elixir_ls
 /config/dev.secret.exs
 /config/test.secret.exs
+/Mnesia.*

config/config.exs

@@ -28,6 +28,12 @@ config :logger, :console,
 # Use Jason for JSON parsing in Phoenix
 config :phoenix, :json_library, Jason
 
+# Configure Pow with user schema for authentication
+config :curious_messenger, :pow,
+  user: CuriousMessenger.Auth.User,
+  repo: CuriousMessenger.Repo,
+  web_module: CuriousMessengerWeb
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"

lib/curious_messenger/application.ex

@@ -14,7 +14,8 @@ defmodule CuriousMessenger.Application do
       CuriousMessengerWeb.Endpoint,
       # Starts a worker by calling: CuriousMessenger.Worker.start_link(arg)
       # {CuriousMessenger.Worker, arg},
-      {Phoenix.PubSub, [name: CuriousMessenger.PubSub, adapter: Phoenix.PubSub.PG2]}
+      {Phoenix.PubSub, [name: CuriousMessenger.PubSub, adapter: Phoenix.PubSub.PG2]},
+      Pow.Store.Backend.MnesiaCache
     ]
 
     # See https://hexdocs.pm/elixir/Supervisor.html

lib/curious_messenger/auth/user.ex

@@ -1,8 +1,12 @@
 defmodule CuriousMessenger.Auth.User do
   use Ecto.Schema
+  use Pow.Ecto.Schema
+
   import Ecto.Changeset
 
   schema "auth_users" do
+    pow_user_fields()
+
     field :nickname, :string
 
     timestamps()
@@ -11,6 +15,7 @@ defmodule CuriousMessenger.Auth.User do
   @doc false
   def changeset(user, attrs) do
     user
+    |> pow_changeset(attrs)
     |> cast(attrs, [:nickname])
     |> validate_required([:nickname])
     |> unique_constraint(:nickname)

lib/curious_messenger_web/endpoint.ex

@@ -44,5 +44,9 @@ defmodule CuriousMessengerWeb.Endpoint do
     key: "_curious_messenger_key",
     signing_salt: "zb4BgxeG"
 
+  plug Pow.Plug.Session,
+    otp_app: :curious_messenger,
+    cache_store_backend: Pow.Store.Backend.MnesiaCache
+
   plug CuriousMessengerWeb.Router
 end

lib/curious_messenger_web/router.ex

@@ -1,5 +1,6 @@
 defmodule CuriousMessengerWeb.Router do
   use CuriousMessengerWeb, :router
+  use Pow.Phoenix.Router
   import Phoenix.LiveView.Router
 
   pipeline :browser do
@@ -16,6 +17,12 @@ defmodule CuriousMessengerWeb.Router do
     plug :accepts, ["json"]
   end
 
+  scope "/" do
+    pipe_through :browser
+
+    pow_routes()
+  end
+
   scope "/", CuriousMessengerWeb do
     pipe_through :browser
 

lib/curious_messenger_web/templates/layout/root.html.eex

@@ -12,7 +12,13 @@
       <section class="container">
         <nav role="navigation">
           <ul>
-            <li><a href="https://hexdocs.pm/phoenix/overview.html">Get Started</a></li>
+            <%= if Pow.Plug.current_user(@conn) do %>
+              <li><%= link "Profile", to: Routes.pow_registration_path(@conn, :edit) %></li>
+              <li><%= link "Sign out", to: Routes.pow_session_path(@conn, :delete), method: :delete %></li>
+            <% else %>
+              <li><%= link "Register", to: Routes.pow_registration_path(@conn, :new) %></li>
+              <li><%= link "Sign in", to: Routes.pow_session_path(@conn, :new) %></li>
+            <% end %>
           </ul>
         </nav>
         <a href="http://phoenixframework.org/" class="phx-logo">

lib/curious_messenger_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, :nickname %>
+  <%= text_input f, :nickname %>
+  <%= error_tag f, :nickname %>
+
+  <%= 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/curious_messenger_web/templates/pow/registration/new.html.eex

@@ -0,0 +1,32 @@
+<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, :nickname %>
+  <%= text_input f, :nickname %>
+  <%= error_tag f, :nickname %>
+
+  <%= 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/curious_messenger_web/templates/pow/session/new.html.eex

@@ -0,0 +1,24 @@
+<h1>Sign in</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 %>
+
+  <div>
+    <%= submit "Sign in" %>
+  </div>
+<% end %>
+
+
+<span><%= link "Register", to: Routes.pow_registration_path(@conn, :new) %></span>

lib/curious_messenger_web/views/pow/registration_view.ex

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

lib/curious_messenger_web/views/pow/session_view.ex

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

mix.exs

@@ -43,7 +43,8 @@ defmodule CuriousMessenger.MixProject do
       {:phoenix_live_view, "~> 0.14.8"},
       {:gettext, "~> 0.18.2"},
       {:jason, "~> 1.2.2"},
-      {:plug_cowboy, "~> 2.4.1"}
+      {:plug_cowboy, "~> 2.4.1"},
+      {:pow, "~> 1.0.21"}
     ]
   end
 

mix.lock

@@ -21,6 +21,7 @@
   "plug_cowboy": {:hex, :plug_cowboy, "2.4.1", "779ba386c0915027f22e14a48919a9545714f849505fa15af2631a0d298abf0f", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d72113b6dff7b37a7d9b2a5b68892808e3a9a752f2bf7e503240945385b70507"},
   "plug_crypto": {:hex, :plug_crypto, "1.2.0", "1cb20793aa63a6c619dd18bb33d7a3aa94818e5fd39ad357051a67f26dfa2df6", [:mix], [], "hexpm", "a48b538ae8bf381ffac344520755f3007cc10bd8e90b240af98ea29b69683fc2"},
   "postgrex": {:hex, :postgrex, "0.15.7", "724410acd48abac529d0faa6c2a379fb8ae2088e31247687b16cacc0e0883372", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm", "88310c010ff047cecd73d5ceca1d99205e4b1ab1b9abfdab7e00f5c9d20ef8f9"},
+  "pow": {:hex, :pow, "1.0.21", "1008de8f70d2c31bcaf81d5b50bdfee0ec1fedd2c2a80348ff88722a9359817d", [:mix], [{:ecto, "~> 2.2 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix, ">= 1.3.0 and < 1.6.0", [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", "979c213a2e2f756b8709b06cedb8b573b77cf979f77b50484a27692dfe72b18d"},
   "ranch": {:hex, :ranch, "1.7.1", "6b1fab51b49196860b733a49c07604465a47bdb78aa10c1c16a3d199f7f8c881", [:rebar3], [], "hexpm", "451d8527787df716d99dc36162fca05934915db0b6141bbdac2ea8d3c7afc7d7"},
   "telemetry": {:hex, :telemetry, "0.4.2", "2808c992455e08d6177322f14d3bdb6b625fbcfd233a73505870d8738a2f4599", [:rebar3], [], "hexpm", "2d1419bd9dda6a206d7b5852179511722e2b18812310d304620c7bd92a13fcef"},
 }

priv/repo/migrations/20191112214037_add_pow_fields_to_users.exs

@@ -0,0 +1,12 @@
+defmodule CuriousMessenger.Repo.Migrations.AddPowFieldsToUsers do
+  use Ecto.Migration
+
+  def change do
+    alter table(:auth_users) do
+      add :email, :string, null: false
+      add :password_hash, :string
+    end
+
+    create unique_index(:auth_users, [:email])
+  end
+end