Auto-populate fields while creating a new user with LDAP (#10286).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11080 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/auth_sources_controller.rb

@@ -72,6 +72,20 @@ class AuthSourcesController < ApplicationController
     redirect_to auth_sources_path
   end
 
+  def autocomplete_for_new_user
+    results = AuthSource.search(params[:term])
+
+    render :json => results.map {|result| {
+      'value' => result[:login],
+      'label' => "#{result[:login]} (#{result[:firstname]} #{result[:lastname]})",
+      'login' => result[:login].to_s,
+      'firstname' => result[:firstname].to_s,
+      'lastname' => result[:lastname].to_s,
+      'mail' => result[:mail].to_s,
+      'auth_source_id' => result[:auth_source_id].to_s
+    }}
+  end
+
   private
 
   def find_auth_source

app/models/auth_source.rb

@@ -48,6 +48,24 @@ class AuthSource < ActiveRecord::Base
     write_ciphered_attribute(:account_password, arg)
   end
 
+  def searchable?
+    false
+  end
+
+  def self.search(q)
+    results = []
+    AuthSource.all.each do |source|
+      begin
+        if source.searchable?
+          results += source.search(q)
+        end
+      rescue AuthSourceException => e
+        logger.error "Error while searching users in #{source.name}: #{e.message}"
+      end
+    end
+    results
+  end
+
   def allow_password_changes?
     self.class.allow_password_changes?
   end

app/models/auth_source_ldap.rb

@@ -64,6 +64,32 @@ class AuthSourceLdap < AuthSource
     "LDAP"
   end
 
+  # Returns true if this source can be searched for users
+  def searchable?
+    !account.to_s.include?("$login") && %w(login firstname lastname mail).all? {|a| send("attr_#{a}?")}
+  end
+
+  # Searches the source for users and returns an array of results
+  def search(q)
+    q = q.to_s.strip
+    return [] unless searchable? && q.present?
+
+    results = []
+    search_filter = base_filter & Net::LDAP::Filter.begins(self.attr_login, q)
+    ldap_con = initialize_ldap_con(self.account, self.account_password)
+    ldap_con.search(:base => self.base_dn,
+                    :filter => search_filter,
+                    :attributes => ['dn', self.attr_login, self.attr_firstname, self.attr_lastname, self.attr_mail],
+                    :size => 10) do |entry|
+      attrs = get_user_attributes_from_ldap_entry(entry)
+      attrs[:login] = AuthSourceLdap.get_attr(entry, self.attr_login)
+      results << attrs
+    end
+    results
+  rescue Net::LDAP::LdapError => e
+    raise AuthSourceException.new(e.message)
+  end
+
   private
 
   def with_timeout(&block)
@@ -84,6 +110,14 @@ class AuthSourceLdap < AuthSource
     nil
   end
 
+  def base_filter
+    filter = Net::LDAP::Filter.eq("objectClass", "*")
+    if f = ldap_filter
+      filter = filter & f
+    end
+    filter
+  end
+
   def validate_filter
     if filter.present? && ldap_filter.nil?
       errors.add(:filter, :invalid)
@@ -140,14 +174,8 @@ class AuthSourceLdap < AuthSource
     else
       ldap_con = initialize_ldap_con(self.account, self.account_password)
     end
-    login_filter = Net::LDAP::Filter.eq( self.attr_login, login )
-    object_filter = Net::LDAP::Filter.eq( "objectClass", "*" )
     attrs = {}
-
-    search_filter = object_filter & login_filter
-    if f = ldap_filter
-      search_filter = search_filter & f
-    end
+    search_filter = base_filter & Net::LDAP::Filter.eq(self.attr_login, login)
 
     ldap_con.search( :base => self.base_dn,
                      :filter => search_filter,

app/views/users/new.html.erb

@@ -10,3 +10,21 @@
     <%= submit_tag l(:button_create_and_continue), :name => 'continue' %>
   </p>
 <% end %>
+
+<% if @auth_sources.present? && @auth_sources.any?(&:searchable?) %>
+  <%= javascript_tag do %>
+    observeAutocompleteField('user_login', '<%= escape_javascript autocomplete_for_new_user_auth_sources_path %>', {
+      select: function(event, ui) {
+        $('input#user_firstname').val(ui.item.firstname);
+        $('input#user_lastname').val(ui.item.lastname);
+        $('input#user_mail').val(ui.item.mail);
+        $('select#user_auth_source_id option').each(function(){
+          if ($(this).attr('value') == ui.item.auth_source_id) {
+            $(this).attr('selected', true);
+            $('select#user_auth_source_id').trigger('change');
+          }
+        });
+      }
+    });
+  <% end %>
+<% end %>

config/routes.rb

@@ -309,6 +309,9 @@ RedmineApp::Application.routes.draw do
     member do
       get 'test_connection', :as => 'try_connection'
     end
+    collection do
+      get 'autocomplete_for_new_user'
+    end
   end
 
   match 'workflows', :controller => 'workflows', :action => 'index', :via => :get

public/javascripts/application.js

@@ -456,12 +456,12 @@ function updateBulkEditFrom(url) {
   });
 }
 
-function observeAutocompleteField(fieldId, url) {
+function observeAutocompleteField(fieldId, url, options) {
   $(document).ready(function() {
-    $('#'+fieldId).autocomplete({
+    $('#'+fieldId).autocomplete($.extend({
       source: url,
       minLength: 2
-    });
+    }, options));
   });
 }
 

test/functional/auth_sources_controller_test.rb

@@ -149,4 +149,20 @@ class AuthSourcesControllerTest < ActionController::TestCase
     assert_not_nil flash[:error]
     assert_include 'Something went wrong', flash[:error]
   end
+
+  def test_autocomplete_for_new_user
+    AuthSource.expects(:search).with('foo').returns([
+      {:login => 'foo1', :firstname => 'John', :lastname => 'Smith', :mail => 'foo1@example.net', :auth_source_id => 1},
+      {:login => 'Smith', :firstname => 'John', :lastname => 'Doe', :mail => 'foo2@example.net', :auth_source_id => 1}
+    ])
+
+    get :autocomplete_for_new_user, :term => 'foo'
+    assert_response :success
+    assert_equal 'application/json', response.content_type
+    json = ActiveSupport::JSON.decode(response.body)
+    assert_kind_of Array, json
+    assert_equal 2, json.size
+    assert_equal 'foo1', json.first['value']
+    assert_equal 'foo1 (John Smith)', json.first['label']
+  end
 end

test/integration/routing/auth_sources_test.rb

@@ -51,5 +51,9 @@ class RoutingAuthSourcesTest < ActionController::IntegrationTest
         { :controller => 'auth_sources', :action => 'test_connection',
           :id => '1234' }
       )
+    assert_routing(
+        { :method => 'get', :path => "/auth_sources/autocomplete_for_new_user" },
+        { :controller => 'auth_sources', :action => 'autocomplete_for_new_user' }
+      )
   end
 end

test/unit/auth_source_ldap_test.rb

@@ -124,6 +124,30 @@ class AuthSourceLdapTest < ActiveSupport::TestCase
         auth_source.authenticate 'example1', '123456'
       end
     end
+
+    def test_search_should_return_matching_entries
+      results = AuthSource.search("exa")
+      assert_equal 1, results.size
+      result = results.first
+      assert_kind_of Hash, result
+      assert_equal "example1", result[:login]
+      assert_equal "Example", result[:firstname]
+      assert_equal "One", result[:lastname]
+      assert_equal "example1@redmine.org", result[:mail]
+      assert_equal 1, result[:auth_source_id]
+    end
+
+    def test_search_with_no_match_should_return_an_empty_array
+      results = AuthSource.search("wro")
+      assert_equal [], results
+    end
+
+    def test_search_with_exception_should_return_an_empty_array
+      Net::LDAP.stubs(:new).raises(Net::LDAP::LdapError, 'Cannot connect')
+
+      results = AuthSource.search("exa")
+      assert_equal [], results
+    end
   else
     puts '(Test LDAP server not configured)'
   end