Whitelist or fix additional `Gitlab/PublicSend` cop violations

An upcoming update to rubocop-gitlab-security added additional
violations.

.rubocop.yml

@@ -1174,29 +1174,33 @@ RSpec/VerifiedDoubles:
 GitlabSecurity/DeepMunge:
   Enabled: true
   Exclude:
-    - 'spec/**/*'
     - 'lib/**/*.rake'
+    - 'spec/**/*'
 GitlabSecurity/PublicSend:
   Enabled: true
   Exclude:
-    - 'spec/**/*'
+    - 'config/**/*'
+    - 'db/**/*'
+    - 'features/**/*'
     - 'lib/**/*.rake'
+    - 'qa/**/*'
+    - 'spec/**/*'
 GitlabSecurity/RedirectToParamsUpdate:
   Enabled: true
   Exclude:
-    - 'spec/**/*'
     - 'lib/**/*.rake'
+    - 'spec/**/*'
 GitlabSecurity/SqlInjection:
   Enabled: true
   Exclude:
-    - 'spec/**/*'
     - 'lib/**/*.rake'
+    - 'spec/**/*'
 GitlabSecurity/SystemCommandInjection:
   Enabled: true
   Exclude:
-    - 'spec/**/*'
     - 'lib/**/*.rake'
+    - 'spec/**/*'

app/controllers/concerns/issuable_actions.rb

@@ -10,7 +10,7 @@ module IssuableActions
   def destroy
     issuable.destroy
     destroy_method = "destroy_#{issuable.class.name.underscore}".to_sym
-    TodoService.new.public_send(destroy_method, issuable, current_user)
+    TodoService.new.public_send(destroy_method, issuable, current_user) # rubocop:disable GitlabSecurity/PublicSend
     name = issuable.human_class_name
     flash[:notice] = "The #{name} was successfully deleted."

app/controllers/import/github_controller.rb

@@ -64,7 +64,7 @@ class Import::GithubController < Import::BaseController
   end
   def import_enabled?
-    __send__("#{provider}_import_enabled?")
+    __send__("#{provider}_import_enabled?") # rubocop:disable GitlabSecurity/PublicSend
   end
   def new_import_url

app/controllers/uploads_controller.rb

@@ -89,7 +89,7 @@ class UploadsController < ApplicationController
       @uploader.retrieve_from_store!(params[:filename])
     else
-      @uploader = @model.send(upload_mount)
+      @uploader = @model.public_send(upload_mount) # rubocop:disable GitlabSecurity/PublicSend
       redirect_to @uploader.url unless @uploader.file_storage?
     end

app/helpers/commits_helper.rb

@@ -128,10 +128,10 @@ module CommitsHelper
   #  avatar: true will prepend the avatar image
   #  size:   size of the avatar image in px
   def commit_person_link(commit, options = {})
-    user = commit.send(options[:source])
-    source_name = clean(commit.send "#{options[:source]}_name".to_sym)
-    source_email = clean(commit.send "#{options[:source]}_email".to_sym)
+    user = commit.public_send(options[:source]) # rubocop:disable GitlabSecurity/PublicSend
+    source_name  = clean(commit.public_send(:"#{options[:source]}_name"))  # rubocop:disable GitlabSecurity/PublicSend
+    source_email = clean(commit.public_send(:"#{options[:source]}_email")) # rubocop:disable GitlabSecurity/PublicSend
     person_name = user.try(:name) || source_name

app/helpers/import_helper.rb

@@ -5,7 +5,7 @@ module ImportHelper
   end
   def provider_project_link(provider, path_with_namespace)
-    url = __send__("#{provider}_project_url", path_with_namespace)
+    url = __send__("#{provider}_project_url", path_with_namespace) # rubocop:disable GitlabSecurity/PublicSend
     link_to path_with_namespace, url, target: '_blank', rel: 'noopener noreferrer'
   end

app/helpers/issuables_helper.rb

@@ -174,7 +174,14 @@ module IssuablesHelper
   end
   def assigned_issuables_count(issuable_type)
-    current_user.public_send("assigned_open_#{issuable_type}_count")
+    case issuable_type
+    when :issues
+      current_user.assigned_open_issues_count
+    when :merge_requests
+      current_user.assigned_open_merge_requests_count
+    else
+      raise ArgumentError, "invalid issuable `#{issuable_type}`"
+    end
   end
   def issuable_filter_params
@@ -298,10 +305,6 @@ module IssuablesHelper
     cookies[:collapsed_gutter] == 'true'
   end
-  def base_issuable_scope(issuable)
-    issuable.project.send(issuable.class.table_name).send(issuable_state_scope(issuable))
-  end
-
   def issuable_state_scope(issuable)
     if issuable.respond_to?(:merged?) && issuable.merged?
       :merged

app/helpers/milestones_helper.rb

@@ -32,7 +32,18 @@ module MilestonesHelper
   end
   def milestone_issues_by_label_count(milestone, label, state:)
-    milestone.issues.with_label(label.title).send(state).size
+    issues = milestone.issues.with_label(label.title)
+    issues =
+      case state
+      when :opened
+        issues.opened
+      when :closed
+        issues.closed
+      else
+        raise ArgumentError, "invalid milestone state `#{state}`"
+      end
+
+    issues.size
   end
   # Returns count of milestones for different states

app/helpers/projects_helper.rb

@@ -149,15 +149,16 @@ module ProjectsHelper
     # Don't show option "everyone with access" if project is private
     options = project_feature_options
+    level = @project.project_feature.public_send(field) # rubocop:disable GitlabSecurity/PublicSend
+
     if @project.private?
-      level = @project.project_feature.send(field)
       disabled_option = ProjectFeature::ENABLED
       highest_available_option = ProjectFeature::PRIVATE if level == disabled_option
     end
     options = options_for_select(
       options.invert,
-      selected: highest_available_option || @project.project_feature.public_send(field),
+      selected: highest_available_option || level,
       disabled: disabled_option
     )
@@ -486,7 +487,7 @@ module ProjectsHelper
   end
   def filename_path(project, filename)
-    if project && blob = project.repository.send(filename)
+    if project && blob = project.repository.public_send(filename) # rubocop:disable GitlabSecurity/PublicSend
       project_blob_path(
         project,
         tree_join(project.default_branch, blob.name)

app/models/commit.rb

@@ -200,7 +200,7 @@ class Commit
   end
   def method_missing(m, *args, &block)
-    @raw.send(m, *args, &block)
+    @raw.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
   end
   def respond_to_missing?(method, include_private = false)

app/models/concerns/cache_markdown_field.rb

@@ -78,7 +78,7 @@ module CacheMarkdownField
   def cached_html_up_to_date?(markdown_field)
     html_field = cached_markdown_fields.html_field(markdown_field)
-    cached = cached_html_for(markdown_field).present? && __send__(markdown_field).present?
+    cached = cached_html_for(markdown_field).present? && __send__(markdown_field).present? # rubocop:disable GitlabSecurity/PublicSend
     return false unless cached
     markdown_changed = attribute_changed?(markdown_field) || false
@@ -93,14 +93,14 @@ module CacheMarkdownField
   end
   def attribute_invalidated?(attr)
-    __send__("#{attr}_invalidated?")
+    __send__("#{attr}_invalidated?") # rubocop:disable GitlabSecurity/PublicSend
   end
   def cached_html_for(markdown_field)
     raise ArgumentError.new("Unknown field: #{field}") unless
       cached_markdown_fields.markdown_fields.include?(markdown_field)
-    __send__(cached_markdown_fields.html_field(markdown_field))
+    __send__(cached_markdown_fields.html_field(markdown_field)) # rubocop:disable GitlabSecurity/PublicSend
   end
   included do

app/models/concerns/internal_id.rb

@@ -9,7 +9,7 @@ module InternalId
   def set_iid
     if iid.blank?
       parent = project || group
-      records = parent.send(self.class.name.tableize)
+      records = parent.public_send(self.class.name.tableize) # rubocop:disable GitlabSecurity/PublicSend
       records = records.with_deleted if self.paranoid?
       max_iid = records.maximum(:iid)

app/models/concerns/mentionable.rb

@@ -56,7 +56,7 @@ module Mentionable
     end
     self.class.mentionable_attrs.each do |attr, options|
-      text    = __send__(attr)
+      text    = __send__(attr) # rubocop:disable GitlabSecurity/PublicSend
       options = options.merge(
         cache_key: [self, attr],
         author: author,
@@ -100,7 +100,7 @@ module Mentionable
                         end
     self.class.mentionable_attrs.any? do |attr, _|
-      __send__(attr) =~ reference_pattern
+      __send__(attr) =~ reference_pattern # rubocop:disable GitlabSecurity/PublicSend
     end
   end

app/models/concerns/participable.rb

@@ -82,7 +82,7 @@ module Participable
           if attr.respond_to?(:call)
             source.instance_exec(current_user, ext, &attr)
           else
-            process << source.__send__(attr)
+            process << source.__send__(attr) # rubocop:disable GitlabSecurity/PublicSend
           end
         end
       when Enumerable, ActiveRecord::Relation

app/models/concerns/project_features_compatibility.rb

@@ -32,6 +32,6 @@ module ProjectFeaturesCompatibility
     build_project_feature unless project_feature
     access_level = Gitlab::Utils.to_boolean(value) ? ProjectFeature::ENABLED : ProjectFeature::DISABLED
-    project_feature.send(:write_attribute, field, access_level)
+    project_feature.__send__(:write_attribute, field, access_level) # rubocop:disable GitlabSecurity/PublicSend
   end
 end

app/models/network/commit.rb

@@ -12,7 +12,7 @@ module Network
     end
     def method_missing(m, *args, &block)
-      @commit.send(m, *args, &block)
+      @commit.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
     end
     def space

app/models/project.rb

@@ -921,14 +921,14 @@ class Project < ActiveRecord::Base
   end
   def execute_hooks(data, hooks_scope = :push_hooks)
-    hooks.send(hooks_scope).each do |hook|
+    hooks.public_send(hooks_scope).each do |hook| # rubocop:disable GitlabSecurity/PublicSend
       hook.async_execute(data, hooks_scope.to_s)
     end
   end
   def execute_services(data, hooks_scope = :push_hooks)
     # Call only service hooks that are active for this scope
-    services.send(hooks_scope).each do |service|
+    services.public_send(hooks_scope).each do |service| # rubocop:disable GitlabSecurity/PublicSend
       service.async_execute(data)
     end
   end

app/models/project_services/chat_notification_service.rb

@@ -115,7 +115,7 @@ class ChatNotificationService < Service
   def get_channel_field(event)
     field_name = event_channel_name(event)
-    self.public_send(field_name)
+    self.public_send(field_name) # rubocop:disable GitlabSecurity/PublicSend
   end
   def build_event_channels

app/models/project_services/hipchat_service.rb

@@ -53,7 +53,7 @@ class HipchatService < Service
     return unless supported_events.include?(data[:object_kind])
     message = create_message(data)
     return unless message.present?
-    gate[room].send('GitLab', message, message_options(data))
+    gate[room].send('GitLab', message, message_options(data)) # rubocop:disable GitlabSecurity/PublicSend
   end
   def test(data)

app/models/protectable_dropdown.rb

 class ProtectableDropdown
+  REF_TYPES = %i[branches tags].freeze
+
   def initialize(project, ref_type)
+    raise ArgumentError, "invalid ref type `#{ref_type}`" unless ref_type.in?(REF_TYPES)
+
     @project = project
     @ref_type = ref_type
   end
@@ -16,7 +20,7 @@ class ProtectableDropdown
   private
   def refs
-    @project.repository.public_send(@ref_type)
+    @project.repository.public_send(@ref_type) # rubocop:disable GitlabSecurity/PublicSend
   end
   def ref_names
@@ -24,7 +28,7 @@ class ProtectableDropdown
   end
   def protections
-    @project.public_send("protected_#{@ref_type}")
+    @project.public_send("protected_#{@ref_type}") # rubocop:disable GitlabSecurity/PublicSend
   end
   def non_wildcard_protected_ref_names