From ee3c9146e4bbe93ec1f00ee45386a82ec4363c4d Mon Sep 17 00:00:00 2001
From: Azul <azul@leap.se>
Date: Fri, 23 Nov 2012 12:11:11 +0100
Subject: identify user by id so rerendering the form does not use new invalid
 login

---
 users/app/controllers/users_controller.rb             | 15 +++++++++++----
 users/app/models/user.rb                              |  8 ++------
 users/lib/warden/strategies/secure_remote_password.rb |  2 +-
 users/test/functional/users_controller_test.rb        |  4 +++-
 users/test/unit/user_test.rb                          |  8 ++++----
 5 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/users/app/controllers/users_controller.rb b/users/app/controllers/users_controller.rb
index ecab53b..3913d0d 100644
--- a/users/app/controllers/users_controller.rb
+++ b/users/app/controllers/users_controller.rb
@@ -1,6 +1,8 @@
 class UsersController < ApplicationController
 
-  skip_before_filter :verify_authenticity_token
+  skip_before_filter :verify_authenticity_token, :only => [:create]
+
+  before_filter :fetch_user, :only => [:edit, :update]
 
   respond_to :json, :html
 
@@ -17,12 +19,17 @@ class UsersController < ApplicationController
   end
 
   def edit
-    @user = current_user
   end
 
   def update
-    @user = current_user
-    @user.update(params[:user])
+    @user.update_attributes(params[:user])
     respond_with(@user, :location => edit_user_path(@user))
   end
+
+  protected
+
+  def fetch_user
+    @user = User.find_by_param(params[:id])
+    access_denied unless @user == current_user
+  end
 end
diff --git a/users/app/models/user.rb b/users/app/models/user.rb
index 507eda5..624754b 100644
--- a/users/app/models/user.rb
+++ b/users/app/models/user.rb
@@ -29,9 +29,7 @@ class User < CouchRest::Model::Base
   end
 
   class << self
-    def find_by_param(login)
-      return find_by_login(login) || raise(RECORD_NOT_FOUND)
-    end
+    alias_method :find_by_param, :find
 
     # valid set of attributes for testing
     def valid_attributes_hash
@@ -42,9 +40,7 @@ class User < CouchRest::Model::Base
 
   end
 
-  def to_param
-    self.login
-  end
+  alias_method :to_param, :id
 
   def to_json(options={})
     {
diff --git a/users/lib/warden/strategies/secure_remote_password.rb b/users/lib/warden/strategies/secure_remote_password.rb
index 95570e0..953e2e9 100644
--- a/users/lib/warden/strategies/secure_remote_password.rb
+++ b/users/lib/warden/strategies/secure_remote_password.rb
@@ -30,7 +30,7 @@ module Warden
       end
 
       def initialize!
-        user = User.find_by_param(id)
+        user = User.find_by_login(id)
         session[:handshake] = user.initialize_auth(params['A'].hex)
         custom! json_response(session[:handshake])
       rescue RECORD_NOT_FOUND
diff --git a/users/test/functional/users_controller_test.rb b/users/test/functional/users_controller_test.rb
index 4318928..e39869f 100644
--- a/users/test/functional/users_controller_test.rb
+++ b/users/test/functional/users_controller_test.rb
@@ -32,6 +32,7 @@ class UsersControllerTest < ActionController::TestCase
 
   test "should get edit view" do
     user = stub_record User
+    User.expects(:find_by_param).with(user.id.to_s).returns(user)
     login user
     get :edit, :id => user.id
     assert_equal user, assigns[:user]
@@ -39,7 +40,8 @@ class UsersControllerTest < ActionController::TestCase
 
   test "should process updated params" do
     user = stub_record User
-    user.expects(:update).with(user.params).returns(user)
+    user.expects(:update_attributes).with(user.params).returns(true)
+    User.expects(:find_by_param).with(user.id.to_s).returns(user)
     login user
     post :update, :user => user.params, :id => user.id
     assert_equal user, assigns[:user]
diff --git a/users/test/unit/user_test.rb b/users/test/unit/user_test.rb
index f057ca7..92c1463 100644
--- a/users/test/unit/user_test.rb
+++ b/users/test/unit/user_test.rb
@@ -23,14 +23,14 @@ class UserTest < ActiveSupport::TestCase
     assert !@user.valid?
   end
 
-  test "find_by_param gets User by login" do
+  test "find_by_param gets User by id" do
     @user.save
-    assert_equal @user, User.find_by_param(@user.login)
+    assert_equal @user, User.find_by_param(@user.id)
     @user.destroy
   end
 
-  test "to_param gives user login" do
-    assert_equal @user.login, @user.to_param
+  test "to_param gives user id" do
+    assert_equal @user.id, @user.to_param
   end
 
   test "verifier returns number for the hex in password_verifier" do
-- 
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