Option to generate a random password on user creation/update.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11456 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/users_controller.rb

@@ -80,6 +80,7 @@ class UsersController < ApplicationController
 
   def new
     @user = User.new(:language => Setting.default_language, :mail_notification => Setting.default_notification_option)
+    @user.safe_attributes = params[:user]
     @auth_sources = AuthSource.all
   end
 
@@ -96,13 +97,14 @@ class UsersController < ApplicationController
       @user.pref.save
       @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])
 
-      Mailer.account_information(@user, params[:user][:password]).deliver if params[:send_information]
+      Mailer.account_information(@user, @user.password).deliver if params[:send_information]
 
       respond_to do |format|
         format.html {
           flash[:notice] = l(:notice_user_successful_create, :id => view_context.link_to(@user.login, user_path(@user)))
           if params[:continue]
-            redirect_to new_user_path
+            attrs = params[:user].slice(:generate_password)
+            redirect_to new_user_path(:user => attrs)
           else
             redirect_to edit_user_path(@user)
           end
@@ -145,8 +147,8 @@ class UsersController < ApplicationController
 
       if was_activated
         Mailer.account_activated(@user).deliver
-      elsif @user.active? && params[:send_information] && !params[:user][:password].blank? && @user.auth_source_id.nil?
-        Mailer.account_information(@user, params[:user][:password]).deliver
+      elsif @user.active? && params[:send_information] && @user.password.present? && @user.auth_source_id.nil?
+        Mailer.account_information(@user, @user.password).deliver
       end
 
       respond_to do |format|

app/models/user.rb

@@ -81,7 +81,7 @@ class User < Principal
 
   acts_as_customizable
 
-  attr_accessor :password, :password_confirmation
+  attr_accessor :password, :password_confirmation, :generate_password
   attr_accessor :last_before_login_on
   # Prevents unauthorized assignments
   attr_protected :login, :admin, :password, :password_confirmation, :hashed_password
@@ -103,7 +103,7 @@ class User < Principal
   validate :validate_password_length
 
   before_create :set_mail_notification
-  before_save   :update_hashed_password
+  before_save   :generate_password_if_needed, :update_hashed_password
   before_destroy :remove_references_before_destroy
 
   scope :in_group, lambda {|group|
@@ -274,13 +274,16 @@ class User < Principal
     return auth_source.allow_password_changes?
   end
 
-  # Generate and set a random password.  Useful for automated user creation
-  # Based on Token#generate_token_value
-  #
-  def random_password
+  def generate_password?
+    generate_password == '1' || generate_password == true
+  end
+
+  # Generate and set a random password on given length
+  def random_password(length=40)
     chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
+    chars -= %w(0 O 1 l)
     password = ''
-    40.times { |i| password << chars[rand(chars.size-1)] }
+    length.times {|i| password << chars[SecureRandom.random_number(chars.size)] }
     self.password = password
     self.password_confirmation = password
     self
@@ -541,6 +544,7 @@ class User < Principal
 
   safe_attributes 'status',
     'auth_source_id',
+    'generate_password',
     :if => lambda {|user, current_user| current_user.admin?}
 
   safe_attributes 'group_ids',
@@ -610,6 +614,7 @@ class User < Principal
   protected
 
   def validate_password_length
+    return if password.blank? && generate_password?
     # Password length validation based on setting
     if !password.nil? && password.size < Setting.password_min_length.to_i
       errors.add(:password, :too_short, :count => Setting.password_min_length.to_i)
@@ -618,6 +623,13 @@ class User < Principal
 
   private
 
+  def generate_password_if_needed
+    if generate_password? && auth_source.nil?
+      length = [Setting.password_min_length.to_i + 2, 10].max
+      random_password(length)
+    end
+  end
+
   # Removes references that are not handled by associations
   # Things that are not deleted are reassociated with the anonymous user
   def remove_references_before_destroy

app/views/users/_form.html.erb

@@ -28,6 +28,7 @@
   <p><%= f.select :auth_source_id, ([[l(:label_internal), ""]] + @auth_sources.collect { |a| [a.name, a.id] }), {}, :onchange => "if (this.value=='') {$('#password_fields').show();} else {$('#password_fields').hide();}" %></p>
   <% end %>
   <div id="password_fields" style="<%= 'display:none;' if @user.auth_source %>">
+  <p><%= f.check_box :generate_password %></p>
   <p><%= f.password_field :password, :required => true, :size => 25  %>
   <em class="info"><%= l(:text_caracters_minimum, :count => Setting.password_min_length) %></em></p>
   <p><%= f.password_field :password_confirmation, :required => true, :size => 25  %></p>
@@ -49,3 +50,16 @@
 </div>
 <div style="clear:left;"></div>
 <!--[eoform:user]-->
+
+<%= javascript_tag do %>
+$(document).ready(function(){
+  $('#user_generate_password').change(function(){
+    var passwd = $('#user_password, #user_password_confirmation');
+    if ($(this).is(':checked')){
+      passwd.val('').attr('disabled', true);
+    }else{
+      passwd.removeAttr('disabled');
+    }
+  }).trigger('change');
+});
+<% end %>