Revert "Improve invalidation of stored service password if the endpoint URL is changed"

This reverts commit b4639754.

app/controllers/admin/services_controller.rb

@@ -39,13 +39,7 @@ class Admin::ServicesController < Admin::ApplicationController
   end
 
   def application_services_params
-    application_services_params = params.permit(:id,
+    params.permit(:id,
       service: Projects::ServicesController::ALLOWED_PARAMS)
-    if application_services_params[:service].is_a?(Hash)
-      Projects::ServicesController::FILTER_BLANK_PARAMS.each do |param|
-        application_services_params[:service].delete(param) if application_services_params[:service][param].blank? 
-      end
-    end
-    application_services_params
   end
 end

app/controllers/projects/services_controller.rb

@@ -9,10 +9,6 @@ class Projects::ServicesController < Projects::ApplicationController
                     :note_events, :send_from_committer_email, :disable_diffs, :external_wiki_url,
                     :notify, :color,
                     :server_host, :server_port, :default_irc_uri, :enable_ssl_verification]
-
-  # Parameters to ignore if no value is specified
-  FILTER_BLANK_PARAMS = [:password]
-  
   # Authorize
   before_action :authorize_admin_project!
   before_action :service, only: [:edit, :update, :test]
@@ -63,9 +59,7 @@ class Projects::ServicesController < Projects::ApplicationController
 
   def service_params
     service_params = params.require(:service).permit(ALLOWED_PARAMS)
-    FILTER_BLANK_PARAMS.each do |param|
-      service_params.delete(param) if service_params[param].blank?
-    end
+    service_params.delete("password") if service_params["password"].blank?
     service_params
   end
 end

app/models/project_services/bamboo_service.rb

@@ -48,7 +48,7 @@ class BambooService < CiService
   end
 
   def reset_password
-    if prop_modified?(:bamboo_url) && !prop_updated?(:password)
+    if prop_updated?(:bamboo_url)
       self.password = nil
     end
   end

app/models/project_services/teamcity_service.rb

@@ -45,7 +45,7 @@ class TeamcityService < CiService
   end
 
   def reset_password
-    if prop_modified?(:teamcity_url) && !prop_updated?(:password)
+    if prop_updated?(:teamcity_url)
       self.password = nil
     end
   end

app/models/service.rb

@@ -33,8 +33,6 @@ class Service < ActiveRecord::Base
 
   after_initialize :initialize_properties
 
-  after_commit :reset_updated_properties
-
   belongs_to :project
   has_one :service_hook
 
@@ -105,7 +103,6 @@ class Service < ActiveRecord::Base
 
   # Provide convenient accessor methods
   # for each serialized property.
-  # Also keep track of updated properties.
   def self.prop_accessor(*args)
     args.each do |arg|
       class_eval %{
@@ -114,36 +111,19 @@ class Service < ActiveRecord::Base
         end
 
         def #{arg}=(value)
-          updated_properties['#{arg}'] = #{arg} unless updated_properties.include?('#{arg}') 
           self.properties['#{arg}'] = value
         end
       }
     end
   end
 
-  # Returns a hash of the properties that have been assigned a new value since last save,
-  # indicating their original values (attr => original value).
-  # ActiveRecord does not provide a mechanism to track changes in serialized keys, 
-  # so we need a specific implementation for service properties.
-  # This allows to track changes to properties set with the accessor methods,
-  # but not direct manipulation of properties hash.
-  def updated_properties
-    @updated_properties ||= ActiveSupport::HashWithIndifferentAccess.new
-  end
-
+  # ActiveRecord does not provide a mechanism to track changes in serialized keys.
+  # This is why we need to perform extra query to do it mannually.
   def prop_updated?(prop_name)
-    # Check if a new value was set.
-    # The new value may or may not be the same as the old value
-    updated_properties.include?(prop_name)
-  end
-
-  def prop_modified?(prop_name)
-    # Check if new value was set and it is different from the old value
-    prop_updated?(prop_name) && updated_properties[prop_name] != send(prop_name)
-  end
-
-  def reset_updated_properties
-    @updated_properties = nil
+    relation_name = self.type.underscore
+    previous_value = project.send(relation_name).send(prop_name)
+    return false if previous_value.nil?
+    previous_value != send(prop_name)
   end
 
   def async_execute(data)

spec/models/service_spec.rb

@@ -116,47 +116,14 @@ describe Service do
       )
     end
 
-    it "returns false when the property has not been assigned a new value" do
+    it "returns false" do
       service.username = "key_changed"
       expect(service.prop_updated?(:bamboo_url)).to be_falsy
     end
 
-    it "returns true when the property has been assigned a different value" do
-      service.bamboo_url = "http://example.com"
+    it "returns true" do
+      service.bamboo_url = "http://other.com"
       expect(service.prop_updated?(:bamboo_url)).to be_truthy
     end
-
-    it "returns true when the property has been re-assigned the same value" do
-      service.bamboo_url = 'http://gitlab.com'
-      expect(service.prop_updated?(:bamboo_url)).to be_truthy
-    end
-  end
-
-  describe "#prop_modified?" do
-    let(:service) do
-      BambooService.create(
-        project: create(:project),
-        properties: {
-          bamboo_url: 'http://gitlab.com',
-          username: 'mic',
-          password: "password"
-        }
-      )
-    end
-
-    it "returns false when the property has not been assigned a new value" do
-      service.username = "key_changed"
-      expect(service.prop_modified?(:bamboo_url)).to be_falsy
-    end
-
-    it "returns true when the property has been assigned a different value" do
-      service.bamboo_url = "http://example.com"
-      expect(service.prop_modified?(:bamboo_url)).to be_truthy
-    end
-
-    it "returns false when the property has been re-assigned the same value" do
-      service.bamboo_url = 'http://gitlab.com'
-      expect(service.prop_modified?(:bamboo_url)).to be_falsy
-    end
   end
 end