authlogic forgotten password / password reset

allow-users-to-reset-forgotten-passwords.patch

From 30ea36e6455dfca9c1a6bfed23be891b69756a13 Mon Sep 17 00:00:00 2001
From: Kevin Ansfield <kev@imac-home.home>
Date: Sun, 5 Jul 2009 22:38:26 +0100
Subject: [PATCH] allow users to reset forgotten passwords

---
 app/controllers/password_reset_controller.rb       |   39 +++++++++
 app/helpers/password_reset_helper.rb               |    2 +
 app/models/notifier.rb                             |   12 +++
 app/models/user.rb                                 |    5 +
 app/views/notifier/password_reset_instructions.erb |   10 +++
 app/views/password_reset/edit.html.erb             |   11 +++
 app/views/password_reset/new.html.erb              |    8 ++
 config/routes.rb                                   |    1 +
 test/functional/password_reset_controller_test.rb  |   82 ++++++++++++++++++++
 test/unit/helpers/password_reset_helper_test.rb    |    4 +
 test/unit/notifier_test.rb                         |   14 ++++
 test/unit/user_test.rb                             |    8 +-
 12 files changed, 193 insertions(+), 3 deletions(-)
 create mode 100644 app/controllers/password_reset_controller.rb
 create mode 100644 app/helpers/password_reset_helper.rb
 create mode 100644 app/models/notifier.rb
 create mode 100644 app/views/notifier/password_reset_instructions.erb
 create mode 100644 app/views/password_reset/edit.html.erb
 create mode 100644 app/views/password_reset/new.html.erb
 create mode 100644 test/functional/password_reset_controller_test.rb
 create mode 100644 test/unit/helpers/password_reset_helper_test.rb
 create mode 100644 test/unit/notifier_test.rb

diff --git a/app/controllers/password_reset_controller.rb b/app/controllers/password_reset_controller.rb
new file mode 100644
index 0000000..4136482
--- /dev/null
+++ b/app/controllers/password_reset_controller.rb
@@ -0,0 +1,39 @@
+class PasswordResetController < ApplicationController
+  before_filter :load_user_using_perishable_token, :only => [:edit, :update]
+  before_filter :require_no_user
+  
+  def update
+    @user.password = params[:user][:password]
+    @user.password_confirmation = params[:user][:password_confirmation]
+    if @user.save
+      flash[:notice] = "Password successfully updated"
+      redirect_to account_url
+    else
+      render :action => "edit"
+    end
+  end
+
+  def create
+    @user = User.find_by_email(params[:email])
+    if @user
+      @user.deliver_password_reset_instructions!
+      flash[:notice] = "Instructions to reset your password have been emailed to you. Please check your email"
+      redirect_to root_url
+    else
+      flash[:error] = "No user was found with that address"
+      render :action => :new
+    end
+  end
+  
+  private
+    def load_user_using_perishable_token
+      @user = User.find_using_perishable_token(params[:id])
+      unless @user
+        flash[:error] = "We're sorry, but we could not find your account. " +
+          "If you are having issues, try copy and pasting the URL " +
+          "from your email into your browser or restarting the reset password process"
+        redirect_to root_url
+      end
+    end
+
+end
diff --git a/app/helpers/password_reset_helper.rb b/app/helpers/password_reset_helper.rb
new file mode 100644
index 0000000..c3a05db
--- /dev/null
+++ b/app/helpers/password_reset_helper.rb
@@ -0,0 +1,2 @@
+module PasswordResetHelper
+end
diff --git a/app/models/notifier.rb b/app/models/notifier.rb
new file mode 100644
index 0000000..70ed78e
--- /dev/null
+++ b/app/models/notifier.rb
@@ -0,0 +1,12 @@
+class Notifier < ActionMailer::Base
+  default_url_options[:host] = "localhost:3000"
+  
+  def password_reset_instructions(user)
+    subject     "Password Reset Instructions"
+    from        "admin@phocial.co.uk"
+    recipients  user.email
+    sent_on     Time.now
+    body        :edit_password_reset_url => edit_password_reset_url(user.perishable_token)
+  end
+  
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index f9b65d0..e98689f 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -2,4 +2,9 @@ class User < ActiveRecord::Base
   acts_as_authentic do |c|
     c.perishable_token_valid_for = 24.hours
   end
+  
+  def deliver_password_reset_instructions!
+    reset_perishable_token!
+    Notifier.deliver_password_reset_instructions(self)
+  end  
 end
diff --git a/app/views/notifier/password_reset_instructions.erb b/app/views/notifier/password_reset_instructions.erb
new file mode 100644
index 0000000..75931bc
--- /dev/null
+++ b/app/views/notifier/password_reset_instructions.erb
@@ -0,0 +1,10 @@
+A request to reset your password has been made.
+If you did not make this request, simply ignore this email.
+If you did make this request just click the link below:
+
+<%= @edit_password_reset_url %>
+
+If the above URL does not work try copying and pasting it into your browser.
+If you continue to have problems please feel free to contact us.
+
+Note that the generated URL above will only work for 24 hours for security reasons.
\ No newline at end of file
diff --git a/app/views/password_reset/edit.html.erb b/app/views/password_reset/edit.html.erb
new file mode 100644
index 0000000..b682743
--- /dev/null
+++ b/app/views/password_reset/edit.html.erb
@@ -0,0 +1,11 @@
+<% form_for @user, :url => password_reset_path, :method => :put do |f| -%>
+  <h1>Change my Password</h1>
+	<%= f.error_messages %>
+	<%= f.label :password %><br />
+	<%= f.password_field :password %><br />
+	<br />
+	<%= f.label :password_confirmation %><br />
+	<%= f.password_field :password_confirmation %><br />
+	<br />
+	<%= f.submit "Update" %>
+<% end -%>
\ No newline at end of file
diff --git a/app/views/password_reset/new.html.erb b/app/views/password_reset/new.html.erb
new file mode 100644
index 0000000..0b711da
--- /dev/null
+++ b/app/views/password_reset/new.html.erb
@@ -0,0 +1,8 @@
+<h1>Forgotten Password</h1>
+<p>Fill out the form below and instructions to reset your password will be emailed to you.</p>
+<% form_tag('/password_reset', {:class => "form"}) do %>
+  <%= label_tag :email %><br />
+	<%= text_field_tag :email %><br />
+	<br />
+	<%= submit_tag 'Submit' %>
+<% end -%>
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index c8ec928..a164ec2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -7,6 +7,7 @@ ActionController::Routing::Routes.draw do |map|
   map.resource :account, :controller => 'users'
   map.resources :users
   map.resource :user_session
+  map.resources :password_reset
   
   map.root :controller => 'user_sessions', :action => 'new'
   
diff --git a/test/functional/password_reset_controller_test.rb b/test/functional/password_reset_controller_test.rb
new file mode 100644
index 0000000..05b5306
--- /dev/null
+++ b/test/functional/password_reset_controller_test.rb
@@ -0,0 +1,82 @@
+require 'test_helper'
+
+class PasswordResetControllerTest < ActionController::TestCase
+  
+  setup :activate_authlogic
+  
+  test "shows new when logged out" do
+    get :new
+    assert_response :success
+    assert_select "form[action=/password_reset]" do
+      assert_select '#email'
+    end
+  end
+  
+  test "redirects from new when logged in" do
+    UserSession.create(users(:bob))
+    get :new
+    assert_redirected_to account_url
+    assert_match /must be logged out/, flash[:error]
+  end
+  
+  test "shows edit when logged out" do
+    get :edit, :id => users(:bob).perishable_token
+    assert_response :success
+    assert_select "form[action=/password_reset/#{users(:bob).perishable_token}]" do
+      assert_select '#user_password'
+      assert_select '#user_password_confirmation'
+    end
+  end
+  
+  test "redirected from edit when logged in" do
+    UserSession.create(users(:bob))
+    get :edit, :id => users(:bob).perishable_token
+    assert_redirected_to account_url
+    assert_match /must be logged out/, flash[:error]
+  end
+  
+  test "edit finds user by perishable token" do
+    get :edit, :id => users(:bob).perishable_token
+    assert assigns(:user)
+    assert_equal users(:bob), assigns(:user)
+  end
+  
+  test "edit redirects with error on incorrect perishable token" do
+    get :edit, :id => "test"
+    assert_nil assigns(:user)
+    assert_redirected_to root_url
+    assert_match /could not find your account/, flash[:error]
+  end
+  
+  test "create sends password reset instructions for valid user" do
+    post :create, :email => users(:bob).email
+    assert_redirected_to root_url
+    assert_not_nil flash[:notice]
+    assert_not_nil assigns(:user)
+  end
+  
+  test "create shows new template if user not found" do
+    post :create, :email => "noemail@example.com"
+    assert_response :success
+    assert_template 'new'
+    assert_not_nil flash[:error]
+  end
+  
+  test "updates password" do
+    old_password = "bobowns"
+    new_password = "newpassword"
+    assert users(:bob).valid_password?(old_password)
+    put :update, :id => users(:bob).perishable_token, :user => { :password => new_password, :password_confirmation => new_password }
+    assert_redirected_to account_url
+    assert_not_nil flash[:notice]
+    assert assigns(:user)
+    assert !assigns(:user).valid_password?(old_password)
+    assert assigns(:user).valid_password?(new_password)
+  end
+  
+  test "update password fails without matched passwords" do
+    put :update, :id => users(:bob).perishable_token, :user => { :password => "one", :password_confirmation => "two" }
+    assert_response :success
+    assert_template 'edit'
+  end
+end
diff --git a/test/unit/helpers/password_reset_helper_test.rb b/test/unit/helpers/password_reset_helper_test.rb
new file mode 100644
index 0000000..20b95bc
--- /dev/null
+++ b/test/unit/helpers/password_reset_helper_test.rb
@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class PasswordResetHelperTest < ActionView::TestCase
+end
diff --git a/test/unit/notifier_test.rb b/test/unit/notifier_test.rb
new file mode 100644
index 0000000..f208440
--- /dev/null
+++ b/test/unit/notifier_test.rb
@@ -0,0 +1,14 @@
+require 'test_helper'
+
+class NotifierTest < ActionMailer::TestCase
+  test "password reset instructions" do
+    user = users(:bob)
+    
+    email = Notifier.deliver_password_reset_instructions(user)
+    assert !ActionMailer::Base.deliveries.empty?
+    
+    assert_equal [user.email], email.to
+    assert_equal "Password Reset Instructions", email.subject
+    assert_match /password_reset\/#{user.perishable_token}\/edit/, email.body
+  end
+end
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index a64d2d3..4c2b65a 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -1,8 +1,10 @@
 require 'test_helper'
 
 class UserTest < ActiveSupport::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  test "delivering password reset instructions resets perishable_token" do
+    user = users(:bob)
+    old_token = user.perishable_token
+    user.deliver_password_reset_instructions!
+    assert user.perishable_token != old_token
   end
 end
-- 
1.6.3.2+GitX