Whitelist or fix additional `Gitlab/PublicSend` cop violationsrs-more-public-send-whitelists

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

61 files changed, 128 insertions, 88 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
index d25b4ac39c9..583648bb877 100644
--- a/.rubocop.yml
+++ b/.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/**/*'
diff --git a/app/controllers/concerns/issuable_actions.rb b/app/controllers/concerns/issuable_actions.rb
index 0c3b68a7ac3..4079072a930 100644
--- a/app/controllers/concerns/issuable_actions.rb
+++ b/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."
diff --git a/app/controllers/import/github_controller.rb b/app/controllers/import/github_controller.rb
index baa6645e5ce..ab18d86dcae 100644
--- a/app/controllers/import/github_controller.rb
+++ b/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
diff --git a/app/controllers/uploads_controller.rb b/app/controllers/uploads_controller.rb
index dc882b17143..16a74f82d3f 100644
--- a/app/controllers/uploads_controller.rb
+++ b/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
diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index 69220a1c0f6..72e26b64e60 100644
--- a/app/helpers/commits_helper.rb
+++ b/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])
+    user = commit.public_send(options[:source]) # rubocop:disable GitlabSecurity/PublicSend
 
-    source_name = clean(commit.send "#{options[:source]}_name".to_sym)
-    source_email = clean(commit.send "#{options[:source]}_email".to_sym)
+    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
 
diff --git a/app/helpers/import_helper.rb b/app/helpers/import_helper.rb
index a57b5a8fea5..a18ebfb6030 100644
--- a/app/helpers/import_helper.rb
+++ b/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
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index 70ea35fab1e..197c90c4081 100644
--- a/app/helpers/issuables_helper.rb
+++ b/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
diff --git a/app/helpers/milestones_helper.rb b/app/helpers/milestones_helper.rb
index f8860bfee99..86666022a2a 100644
--- a/app/helpers/milestones_helper.rb
+++ b/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
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index a268413e84f..6c5f98f74dc 100644
--- a/app/helpers/projects_helper.rb
+++ b/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)
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 638fddc5d3d..5ca2f150247 100644
--- a/app/models/commit.rb
+++ b/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)
diff --git a/app/models/concerns/cache_markdown_field.rb b/app/models/concerns/cache_markdown_field.rb
index 48547a938fc..193e459977a 100644
--- a/app/models/concerns/cache_markdown_field.rb
+++ b/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
diff --git a/app/models/concerns/internal_id.rb b/app/models/concerns/internal_id.rb
index 67a0adfcd56..a3d0ac8d862 100644
--- a/app/models/concerns/internal_id.rb
+++ b/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)
 
diff --git a/app/models/concerns/mentionable.rb b/app/models/concerns/mentionable.rb
index c034bf9cbc0..1db6b2d2fa2 100644
--- a/app/models/concerns/mentionable.rb
+++ b/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
 
diff --git a/app/models/concerns/participable.rb b/app/models/concerns/participable.rb
index 4865c0a14b1..ce69fd34ac5 100644
--- a/app/models/concerns/participable.rb
+++ b/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
diff --git a/app/models/concerns/project_features_compatibility.rb b/app/models/concerns/project_features_compatibility.rb
index 60734bc6660..cb59b4da3d7 100644
--- a/app/models/concerns/project_features_compatibility.rb
+++ b/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
diff --git a/app/models/network/commit.rb b/app/models/network/commit.rb
index 8417f200e36..9357e55b419 100644
--- a/app/models/network/commit.rb
+++ b/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
diff --git a/app/models/project.rb b/app/models/project.rb
index 7010664e1c8..e04663a31f3 100644
--- a/app/models/project.rb
+++ b/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
diff --git a/app/models/project_services/chat_notification_service.rb b/app/models/project_services/chat_notification_service.rb
index 6d1a321f651..7b15a5dd04d 100644
--- a/app/models/project_services/chat_notification_service.rb
+++ b/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
diff --git a/app/models/project_services/hipchat_service.rb b/app/models/project_services/hipchat_service.rb
index e3906943ecd..f422e0ea036 100644
--- a/app/models/project_services/hipchat_service.rb
+++ b/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)
diff --git a/app/models/protectable_dropdown.rb b/app/models/protectable_dropdown.rb
index 122fbce257d..c96edc5a259 100644
--- a/app/models/protectable_dropdown.rb
+++ b/app/models/protectable_dropdown.rb
@@ -1,5 +1,9 @@
 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
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 049bebdbe42..0ac3c382f17 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -48,7 +48,9 @@ class Repository
     alias_method(original, name)
 
     define_method(name) do
-      cache_method_output(name, fallback: fallback, memoize_only: memoize_only) { __send__(original) }
+      cache_method_output(name, fallback: fallback, memoize_only: memoize_only) do
+        __send__(original) # rubocop:disable GitlabSecurity/PublicSend
+      end
     end
   end
 
@@ -439,9 +441,9 @@ class Repository
   def method_missing(m, *args, &block)
     if m == :lookup && !block_given?
       lookup_cache[m] ||= {}
-      lookup_cache[m][args.join(":")] ||= raw_repository.send(m, *args, &block)
+      lookup_cache[m][args.join(":")] ||= raw_repository.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
     else
-      raw_repository.send(m, *args, &block)
+      raw_repository.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
     end
   end
 
@@ -772,7 +774,7 @@ class Repository
       end
 
       actions.each do |options|
-        index.public_send(options.delete(:action), options)
+        index.public_send(options.delete(:action), options) # rubocop:disable GitlabSecurity/PublicSend
       end
 
       options = {
diff --git a/app/models/user.rb b/app/models/user.rb
index a4615436245..0a2cfeb7f3e 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1070,7 +1070,7 @@ class User < ActiveRecord::Base
   # Added according to https://github.com/plataformatec/devise/blob/7df57d5081f9884849ca15e4fde179ef164a575f/README.md#activejob-integration
   def send_devise_notification(notification, *args)
     return true unless can?(:receive_notifications)
-    devise_mailer.send(notification, self, *args).deliver_later
+    devise_mailer.__send__(notification, self, *args).deliver_later # rubocop:disable GitlabSecurity/PublicSend
   end
 
   # This works around a bug in Devise 4.2.0 that erroneously causes a user to
diff --git a/app/services/akismet_service.rb b/app/services/akismet_service.rb
index 8e11a2a36a7..59153cbbc0a 100644
--- a/app/services/akismet_service.rb
+++ b/app/services/akismet_service.rb
@@ -58,7 +58,7 @@ class AkismetService
     }
 
     begin
-      akismet_client.public_send(type, options[:ip_address], options[:user_agent], params)
+      akismet_client.public_send(type, options[:ip_address], options[:user_agent], params) # rubocop:disable GitlabSecurity/PublicSend
       true
     rescue => e
       Rails.logger.error("Unable to connect to Akismet: #{e}, skipping!")
diff --git a/app/services/ci/retry_build_service.rb b/app/services/ci/retry_build_service.rb
index 6372e5755db..ea3b8d66ed9 100644
--- a/app/services/ci/retry_build_service.rb
+++ b/app/services/ci/retry_build_service.rb
@@ -23,7 +23,7 @@ module Ci
       end
 
       attributes = CLONE_ACCESSORS.map do |attribute|
-        [attribute, build.send(attribute)]
+        [attribute, build.public_send(attribute)] # rubocop:disable GitlabSecurity/PublicSend
       end
 
       attributes.push([:user, current_user])
diff --git a/app/services/commits/change_service.rb b/app/services/commits/change_service.rb
index a48d6a976f0..85c2fcf9ea6 100644
--- a/app/services/commits/change_service.rb
+++ b/app/services/commits/change_service.rb
@@ -11,6 +11,7 @@ module Commits
     def commit_change(action)
       raise NotImplementedError unless repository.respond_to?(action)
 
+      # rubocop:disable GitlabSecurity/PublicSend
       repository.public_send(
         action,
         current_user,
diff --git a/app/services/issuable_base_service.rb b/app/services/issuable_base_service.rb
index b84a6fd2b7d..4a4f2b91182 100644
--- a/app/services/issuable_base_service.rb
+++ b/app/services/issuable_base_service.rb
@@ -338,7 +338,7 @@ class IssuableBaseService < BaseService
 
   def invalidate_cache_counts(issuable, users: [], skip_project_cache: false)
     users.each do |user|
-      user.public_send("invalidate_#{issuable.model_name.singular}_cache_counts")
+      user.public_send("invalidate_#{issuable.model_name.singular}_cache_counts") # rubocop:disable GitlabSecurity/PublicSend
     end
 
     unless skip_project_cache
diff --git a/app/services/members/destroy_service.rb b/app/services/members/destroy_service.rb
index 2e089149ca8..46c505baf8b 100644
--- a/app/services/members/destroy_service.rb
+++ b/app/services/members/destroy_service.rb
@@ -31,7 +31,7 @@ module Members
         source.members.find_by(condition) ||
           source.requesters.find_by!(condition)
       else
-        source.public_send(scope).find_by!(condition)
+        source.public_send(scope).find_by!(condition) # rubocop:disable GitlabSecurity/PublicSend
       end
     end
 
diff --git a/app/services/notification_service.rb b/app/services/notification_service.rb
index 4267879b03d..e2a80db06a6 100644
--- a/app/services/notification_service.rb
+++ b/app/services/notification_service.rb
@@ -1,3 +1,5 @@
+# rubocop:disable GitlabSecurity/PublicSend
+
 # NotificationService class
 #
 # Used for notifying users with emails about different events
diff --git a/app/services/system_hooks_service.rb b/app/services/system_hooks_service.rb
index cbcd4478af6..a1c2f8d0180 100644
--- a/app/services/system_hooks_service.rb
+++ b/app/services/system_hooks_service.rb
@@ -4,7 +4,7 @@ class SystemHooksService
   end
 
   def execute_hooks(data, hooks_scope = :all)
-    SystemHook.public_send(hooks_scope).find_each do |hook|
+    SystemHook.public_send(hooks_scope).find_each do |hook| # rubocop:disable GitlabSecurity/PublicSend
       hook.async_execute(data, 'system_hooks')
     end
   end
diff --git a/app/services/test_hooks/base_service.rb b/app/services/test_hooks/base_service.rb
index 74ba814afff..4abd2c44b2f 100644
--- a/app/services/test_hooks/base_service.rb
+++ b/app/services/test_hooks/base_service.rb
@@ -18,7 +18,7 @@ module TestHooks
       end
 
       error_message = catch(:validation_error) do
-        sample_data = self.__send__(trigger_data_method)
+        sample_data = self.__send__(trigger_data_method) # rubocop:disable GitlabSecurity/PublicSend
 
         return hook.execute(sample_data, trigger)
       end
diff --git a/app/workers/gitlab_shell_worker.rb b/app/workers/gitlab_shell_worker.rb
index 964287a1793..0ec871e00e1 100644
--- a/app/workers/gitlab_shell_worker.rb
+++ b/app/workers/gitlab_shell_worker.rb
@@ -4,6 +4,6 @@ class GitlabShellWorker
   include DedicatedSidekiqQueue
 
   def perform(action, *arg)
-    gitlab_shell.send(action, *arg)
+    gitlab_shell.__send__(action, *arg) # rubocop:disable GitlabSecurity/PublicSend
   end
 end
diff --git a/config/initializers/1_settings.rb b/config/initializers/1_settings.rb
index 5c6578d3531..38ade18bdc0 100644
--- a/config/initializers/1_settings.rb
+++ b/config/initializers/1_settings.rb
@@ -1,3 +1,5 @@
+# rubocop:disable GitlabSecurity/PublicSend
+
 require_dependency Rails.root.join('lib/gitlab') # Load Gitlab as soon as possible
 
 class Settings < Settingslogic
diff --git a/lib/api/api_guard.rb b/lib/api/api_guard.rb
index 0d2d71e336a..c4c0fdda665 100644
--- a/lib/api/api_guard.rb
+++ b/lib/api/api_guard.rb
@@ -122,7 +122,7 @@ module API
         error_classes = [MissingTokenError, TokenNotFoundError,
                          ExpiredError, RevokedError, InsufficientScopeError]
 
-        base.send :rescue_from, *error_classes, oauth2_bearer_token_error_handler
+        base.__send__(:rescue_from, *error_classes, oauth2_bearer_token_error_handler) # rubocop:disable GitlabSecurity/PublicSend
       end
 
       def oauth2_bearer_token_error_handler
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 18cd604a216..716e3f11744 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -541,8 +541,9 @@ module API
         target_url    = "namespace_project_#{target_type}_url"
         target_anchor = "note_#{todo.note_id}" if todo.note_id?
 
-        Gitlab::Routing.url_helpers.public_send(target_url,
-          todo.project.namespace, todo.project, todo.target, anchor: target_anchor)
+        Gitlab::Routing
+          .url_helpers
+          .public_send(target_url, todo.project.namespace, todo.project, todo.target, anchor: target_anchor) # rubocop:disable GitlabSecurity/PublicSend
       end
 
       expose :body
diff --git a/lib/api/runners.rb b/lib/api/runners.rb
index 5bf5a18e42f..31f940fe96b 100644
--- a/lib/api/runners.rb
+++ b/lib/api/runners.rb
@@ -153,7 +153,7 @@ module API
           render_api_error!('Scope contains invalid value', 400)
         end
 
-        runners.send(scope)
+        runners.public_send(scope) # rubocop:disable GitlabSecurity/PublicSend
       end
 
       def get_runner(id)
diff --git a/lib/api/v3/notes.rb b/lib/api/v3/notes.rb
index 23fe95e42e4..d49772b92f2 100644
--- a/lib/api/v3/notes.rb
+++ b/lib/api/v3/notes.rb
@@ -22,7 +22,7 @@ module API
             use :pagination
           end
           get ":id/#{noteables_str}/:noteable_id/notes" do
-            noteable = user_project.send(noteables_str.to_sym).find(params[:noteable_id])
+            noteable = user_project.public_send(noteables_str.to_sym).find(params[:noteable_id]) # rubocop:disable GitlabSecurity/PublicSend
 
             if can?(current_user, noteable_read_ability_name(noteable), noteable)
               # We exclude notes that are cross-references and that cannot be viewed
@@ -50,7 +50,7 @@ module API
             requires :noteable_id, type: Integer, desc: 'The ID of the noteable'
           end
           get ":id/#{noteables_str}/:noteable_id/notes/:note_id" do
-            noteable = user_project.send(noteables_str.to_sym).find(params[:noteable_id])
+            noteable = user_project.public_send(noteables_str.to_sym).find(params[:noteable_id]) # rubocop:disable GitlabSecurity/PublicSend
             note = noteable.notes.find(params[:note_id])
             can_read_note = can?(current_user, noteable_read_ability_name(noteable), noteable) && !note.cross_reference_not_visible_for?(current_user)
 
@@ -76,7 +76,7 @@ module API
               noteable_id: params[:noteable_id]
             }
 
-            noteable = user_project.send(noteables_str.to_sym).find(params[:noteable_id])
+            noteable = user_project.public_send(noteables_str.to_sym).find(params[:noteable_id]) # rubocop:disable GitlabSecurity/PublicSend
 
             if can?(current_user, noteable_read_ability_name(noteable), noteable)
               if params[:created_at] && (current_user.admin? || user_project.owner == current_user)
diff --git a/lib/banzai/filter/external_issue_reference_filter.rb b/lib/banzai/filter/external_issue_reference_filter.rb
index 53a229256a5..ed01a72ff9f 100644
--- a/lib/banzai/filter/external_issue_reference_filter.rb
+++ b/lib/banzai/filter/external_issue_reference_filter.rb
@@ -95,10 +95,10 @@ module Banzai
       private
 
       def external_issues_cached(attribute)
-        return project.public_send(attribute) unless RequestStore.active?
+        return project.public_send(attribute) unless RequestStore.active? # rubocop:disable GitlabSecurity/PublicSend
 
         cached_attributes = RequestStore[:banzai_external_issues_tracker_attributes] ||= Hash.new { |h, k| h[k] = {} }
-        cached_attributes[project.id][attribute] = project.public_send(attribute) if cached_attributes[project.id][attribute].nil?
+        cached_attributes[project.id][attribute] = project.public_send(attribute) if cached_attributes[project.id][attribute].nil? # rubocop:disable GitlabSecurity/PublicSend
         cached_attributes[project.id][attribute]
       end
     end
diff --git a/lib/banzai/object_renderer.rb b/lib/banzai/object_renderer.rb
index 002a3341ccd..2196a92474c 100644
--- a/lib/banzai/object_renderer.rb
+++ b/lib/banzai/object_renderer.rb
@@ -37,7 +37,7 @@ module Banzai
 
       objects.each_with_index do |object, index|
         redacted_data = redacted[index]
-        object.__send__("redacted_#{attribute}_html=", redacted_data[:document].to_html.html_safe)
+        object.__send__("redacted_#{attribute}_html=", redacted_data[:document].to_html.html_safe) # rubocop:disable GitlabSecurity/PublicSend
         object.user_visible_reference_count = redacted_data[:visible_reference_count]
       end
     end
diff --git a/lib/banzai/pipeline/base_pipeline.rb b/lib/banzai/pipeline/base_pipeline.rb
index 321fd5bbe14..3ae3bed570d 100644
--- a/lib/banzai/pipeline/base_pipeline.rb
+++ b/lib/banzai/pipeline/base_pipeline.rb
@@ -18,7 +18,7 @@ module Banzai
           define_method(meth) do |text, context|
             context = transform_context(context)
 
-            html_pipeline.send(meth, text, context)
+            html_pipeline.__send__(meth, text, context) # rubocop:disable GitlabSecurity/PublicSend
           end
         end
       end
diff --git a/lib/banzai/renderer.rb b/lib/banzai/renderer.rb
index ad08c0905e2..95d82d17658 100644
--- a/lib/banzai/renderer.rb
+++ b/lib/banzai/renderer.rb
@@ -43,7 +43,7 @@ module Banzai
 
     # Same as +render_field+, but without consulting or updating the cache field
     def self.cacheless_render_field(object, field, options = {})
-      text = object.__send__(field)
+      text = object.__send__(field) # rubocop:disable GitlabSecurity/PublicSend
       context = object.banzai_render_context(field).merge(options)
 
       cacheless_render(text, context)
@@ -156,7 +156,7 @@ module Banzai
     # method.
     def self.full_cache_multi_key(cache_key, pipeline_name)
       return unless cache_key
-      Rails.cache.send(:expanded_key, full_cache_key(cache_key, pipeline_name))
+      Rails.cache.__send__(:expanded_key, full_cache_key(cache_key, pipeline_name)) # rubocop:disable GitlabSecurity/PublicSend
     end
 
     # GitLab EE needs to disable updates on GET requests in Geo
diff --git a/lib/bitbucket/collection.rb b/lib/bitbucket/collection.rb
index 3a9379ff680..a78495dbf5e 100644
--- a/lib/bitbucket/collection.rb
+++ b/lib/bitbucket/collection.rb
@@ -13,7 +13,7 @@ module Bitbucket
     def method_missing(method, *args)
       return super unless self.respond_to?(method)
 
-      self.send(method, *args) do |item|
+      self.__send__(method, *args) do |item| # rubocop:disable GitlabSecurity/PublicSend
         block_given? ? yield(item) : item
       end
     end
diff --git a/lib/ci/ansi2html.rb b/lib/ci/ansi2html.rb
index 8354fc8d595..b9e9f9f7f4a 100644
--- a/lib/ci/ansi2html.rb
+++ b/lib/ci/ansi2html.rb
@@ -208,7 +208,7 @@ module Ci
         return unless command = stack.shift()
 
         if self.respond_to?("on_#{command}", true)
-          self.send("on_#{command}", stack)
+          self.__send__("on_#{command}", stack) # rubocop:disable GitlabSecurity/PublicSend
         end
 
         evaluate_command_stack(stack)
diff --git a/lib/declarative_policy/base.rb b/lib/declarative_policy/base.rb
index df94cafb6a1..e544aefa63a 100644
--- a/lib/declarative_policy/base.rb
+++ b/lib/declarative_policy/base.rb
@@ -109,7 +109,7 @@ module DeclarativePolicy
         name = name.to_sym
 
         if delegation_block.nil?
-          delegation_block = proc { @subject.__send__(name) }
+          delegation_block = proc { @subject.__send__(name) } # rubocop:disable GitlabSecurity/PublicSend
         end
 
         own_delegations[name] = delegation_block
diff --git a/lib/declarative_policy/dsl.rb b/lib/declarative_policy/dsl.rb
index b26807a7622..6ba1e7a3c5c 100644
--- a/lib/declarative_policy/dsl.rb
+++ b/lib/declarative_policy/dsl.rb
@@ -93,7 +93,7 @@ module DeclarativePolicy
     def method_missing(m, *a, &b)
       return super unless @context_class.respond_to?(m)
 
-      @context_class.__send__(m, *a, &b)
+      @context_class.__send__(m, *a, &b) # rubocop:disable GitlabSecurity/PublicSend
     end
 
     def respond_to_missing?(m)
diff --git a/lib/file_size_validator.rb b/lib/file_size_validator.rb
index eb19ab45ac3..de391de9059 100644
--- a/lib/file_size_validator.rb
+++ b/lib/file_size_validator.rb
@@ -44,13 +44,13 @@ class FileSizeValidator < ActiveModel::EachValidator
         when Integer
           check_value
         when Symbol
-          record.send(check_value)
+          record.public_send(check_value) # rubocop:disable GitlabSecurity/PublicSend
         end
 
       value ||= [] if key == :maximum
 
       value_size = value.size
-      next if value_size.send(validity_check, check_value)
+      next if value_size.public_send(validity_check, check_value) # rubocop:disable GitlabSecurity/PublicSend
 
       errors_options = options.except(*RESERVED_OPTIONS)
       errors_options[:file_size] = help.number_to_human_size check_value
diff --git a/lib/gitlab/auth.rb b/lib/gitlab/auth.rb
index 7d3aa532750..8cb4060cd97 100644
--- a/lib/gitlab/auth.rb
+++ b/lib/gitlab/auth.rb
@@ -101,7 +101,7 @@ module Gitlab
         if Service.available_services_names.include?(underscored_service)
           # We treat underscored_service as a trusted input because it is included
           # in the Service.available_services_names whitelist.
-          service = project.public_send("#{underscored_service}_service")
+          service = project.public_send("#{underscored_service}_service") # rubocop:disable GitlabSecurity/PublicSend
 
           if service && service.activated? && service.valid_token?(password)
             Gitlab::Auth::Result.new(nil, project, :ci, build_authentication_abilities)
@@ -149,7 +149,7 @@ module Gitlab
 
       def abilities_for_scope(scopes)
         scopes.map do |scope|
-          self.public_send(:"#{scope}_scope_authentication_abilities")
+          self.public_send(:"#{scope}_scope_authentication_abilities") # rubocop:disable GitlabSecurity/PublicSend
         end.flatten.uniq
       end
 
diff --git a/lib/gitlab/cache/request_cache.rb b/lib/gitlab/cache/request_cache.rb
index f1a04affd38..754a45c3257 100644
--- a/lib/gitlab/cache/request_cache.rb
+++ b/lib/gitlab/cache/request_cache.rb
@@ -69,7 +69,7 @@ module Gitlab
                   instance_variable_set(ivar_name, {})
               end
 
-            key = __send__(cache_key_method_name, args)
+            key = __send__(cache_key_method_name, args) # rubocop:disable GitlabSecurity/PublicSend
 
             store.fetch(key) { store[key] = super(*args) }
           end
diff --git a/lib/gitlab/diff/line_mapper.rb b/lib/gitlab/diff/line_mapper.rb
index 576a761423e..cf71d47df8e 100644
--- a/lib/gitlab/diff/line_mapper.rb
+++ b/lib/gitlab/diff/line_mapper.rb
@@ -38,7 +38,7 @@ module Gitlab
         # - The first diff line with a higher line number, if it falls between diff contexts
         # - The last known diff line, if it falls after the last diff context
         diff_line = diff_lines.find do |diff_line|
-          diff_from_line = diff_line.send(from)
+          diff_from_line = diff_line.public_send(from) # rubocop:disable GitlabSecurity/PublicSend
           diff_from_line && diff_from_line >= from_line
         end
         diff_line ||= diff_lines.last
@@ -47,8 +47,8 @@ module Gitlab
         # mapped line number is the same as the specified line number.
         return from_line unless diff_line
 
-        diff_from_line = diff_line.send(from)
-        diff_to_line = diff_line.send(to)
+        diff_from_line = diff_line.public_send(from) # rubocop:disable GitlabSecurity/PublicSend
+        diff_to_line = diff_line.public_send(to) # rubocop:disable GitlabSecurity/PublicSend
 
         # If the line was removed, there is no mapped line number.
         return unless diff_to_line
diff --git a/lib/gitlab/git/blob.rb b/lib/gitlab/git/blob.rb
index 77b81d2d437..59e95191464 100644
--- a/lib/gitlab/git/blob.rb
+++ b/lib/gitlab/git/blob.rb
@@ -173,7 +173,7 @@ module Gitlab
 
       def initialize(options)
         %w(id name path size data mode commit_id binary).each do |key|
-          self.send("#{key}=", options[key.to_sym])
+          self.__send__("#{key}=", options[key.to_sym]) # rubocop:disable GitlabSecurity/PublicSend
         end
 
         @loaded_all_data = false
diff --git a/lib/gitlab/git/tree.rb b/lib/gitlab/git/tree.rb
index 8e959c57c7c..b54962a4456 100644
--- a/lib/gitlab/git/tree.rb
+++ b/lib/gitlab/git/tree.rb
@@ -89,7 +89,7 @@ module Gitlab
 
       def initialize(options)
         %w(id root_id name path type mode commit_id).each do |key|
-          self.send("#{key}=", options[key.to_sym])
+          self.send("#{key}=", options[key.to_sym]) # rubocop:disable GitlabSecurity/PublicSend
         end
       end
 
diff --git a/lib/gitlab/gitaly_client.rb b/lib/gitlab/gitaly_client.rb
index 70177cd0fec..9a5f4f598b2 100644
--- a/lib/gitlab/gitaly_client.rb
+++ b/lib/gitlab/gitaly_client.rb
@@ -55,7 +55,7 @@ module Gitlab
     def self.call(storage, service, rpc, request)
       metadata = request_metadata(storage)
       metadata = yield(metadata) if block_given?
-      stub(service, storage).send(rpc, request, metadata)
+      stub(service, storage).__send__(rpc, request, metadata) # rubocop:disable GitlabSecurity/PublicSend
     end
 
     def self.request_metadata(storage)
diff --git a/lib/gitlab/github_import/base_formatter.rb b/lib/gitlab/github_import/base_formatter.rb
index 8c80791e7c9..f330041cc00 100644
--- a/lib/gitlab/github_import/base_formatter.rb
+++ b/lib/gitlab/github_import/base_formatter.rb
@@ -11,7 +11,9 @@ module Gitlab
       end
 
       def create!
-        project.public_send(project_association).find_or_create_by!(find_condition) do |record|
+        association = project.public_send(project_association) # rubocop:disable GitlabSecurity/PublicSend
+
+        association.find_or_create_by!(find_condition) do |record|
           record.attributes = attributes
         end
       end
diff --git a/lib/gitlab/github_import/client.rb b/lib/gitlab/github_import/client.rb
index 7dbeec5b010..0550f9695bd 100644
--- a/lib/gitlab/github_import/client.rb
+++ b/lib/gitlab/github_import/client.rb
@@ -120,7 +120,7 @@ module Gitlab
       def request(method, *args, &block)
         sleep rate_limit_sleep_time if rate_limit_exceed?
 
-        data = api.send(method, *args)
+        data = api.__send__(method, *args) # rubocop:disable GitlabSecurity/PublicSend
         return data unless data.is_a?(Array)
 
         last_response = api.last_response
diff --git a/lib/gitlab/github_import/importer.rb b/lib/gitlab/github_import/importer.rb
index 266b1a6fece..373062b354b 100644
--- a/lib/gitlab/github_import/importer.rb
+++ b/lib/gitlab/github_import/importer.rb
@@ -289,7 +289,7 @@ module Gitlab
 
         opts.last[:page] = current_page(resource_type)
 
-        client.public_send(resource_type, *opts) do |resources|
+        client.public_send(resource_type, *opts) do |resources| # rubocop:disable GitlabSecurity/PublicSend
           yield resources
           increment_page(resource_type)
         end
diff --git a/lib/gitlab/lazy.rb b/lib/gitlab/lazy.rb
index 2a659ae4c74..99594577141 100644
--- a/lib/gitlab/lazy.rb
+++ b/lib/gitlab/lazy.rb
@@ -16,7 +16,7 @@ module Gitlab
     def method_missing(name, *args, &block)
       __evaluate__
 
-      @result.__send__(name, *args, &block)
+      @result.__send__(name, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
     end
 
     def respond_to_missing?(name, include_private = false)
diff --git a/lib/gitlab/ldap/person.rb b/lib/gitlab/ldap/person.rb
index 43eb73250b7..e138b466a34 100644
--- a/lib/gitlab/ldap/person.rb
+++ b/lib/gitlab/ldap/person.rb
@@ -32,7 +32,7 @@ module Gitlab
       end
 
       def uid
-        entry.send(config.uid).first
+        entry.public_send(config.uid).first # rubocop:disable GitlabSecurity/PublicSend
       end
 
       def username
@@ -65,7 +65,7 @@ module Gitlab
 
         return nil unless selected_attr
 
-        entry.public_send(selected_attr)
+        entry.public_send(selected_attr) # rubocop:disable GitlabSecurity/PublicSend
       end
     end
   end
diff --git a/lib/gitlab/markdown/pipeline.rb b/lib/gitlab/markdown/pipeline.rb
index 699d8b9fc07..306923902e0 100644
--- a/lib/gitlab/markdown/pipeline.rb
+++ b/lib/gitlab/markdown/pipeline.rb
@@ -23,7 +23,7 @@ module Gitlab
           define_method(meth) do |text, context|
             context = transform_context(context)
 
-            html_pipeline.send(meth, text, context)
+            html_pipeline.__send__(meth, text, context) # rubocop:disable GitlabSecurity/PublicSend
           end
         end
       end
diff --git a/lib/uploaded_file.rb b/lib/uploaded_file.rb
index 41dee5fdc06..4a3c40f88eb 100644
--- a/lib/uploaded_file.rb
+++ b/lib/uploaded_file.rb
@@ -27,7 +27,7 @@ class UploadedFile
   alias_method :local_path, :path
 
   def method_missing(method_name, *args, &block) #:nodoc:
-    @tempfile.__send__(method_name, *args, &block)
+    @tempfile.__send__(method_name, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
   end
 
   def respond_to?(method_name, include_private = false) #:nodoc:
diff --git a/qa/qa/runtime/release.rb b/qa/qa/runtime/release.rb
index 4f83a773645..12e56404cf6 100644
--- a/qa/qa/runtime/release.rb
+++ b/qa/qa/runtime/release.rb
@@ -21,7 +21,7 @@ module QA
       end
 
       def self.method_missing(name, *args)
-        self.new.strategy.public_send(name, *args)
+        self.new.strategy.public_send(name, *args) # rubocop:disable GitlabSecurity/PublicSend
       end
     end
   end
diff --git a/spec/lib/file_size_validator_spec.rb b/spec/lib/file_size_validator_spec.rb
index 49501931dd2..c44bc1840df 100644
--- a/spec/lib/file_size_validator_spec.rb
+++ b/spec/lib/file_size_validator_spec.rb
@@ -24,13 +24,13 @@ describe FileSizeValidator do
   describe 'options uses a symbol' do
     let(:options) do
       {
-        maximum: :test,
+        maximum: :max_attachment_size,
         attributes: { attachment: attachment }
       }
     end
 
     before do
-      allow(note).to receive(:test) { 10 }
+      expect(note).to receive(:max_attachment_size) { 10 }
     end
 
     it 'attachment exceeds maximum limit' do
diff --git a/spec/models/protectable_dropdown_spec.rb b/spec/models/protectable_dropdown_spec.rb
index 5c5dcd9f5c9..d4433a88a15 100644
--- a/spec/models/protectable_dropdown_spec.rb
+++ b/spec/models/protectable_dropdown_spec.rb
@@ -4,6 +4,13 @@ describe ProtectableDropdown do
   let(:project) { create(:project, :repository) }
   let(:subject) { described_class.new(project, :branches) }
 
+  describe 'initialize' do
+    it 'raises ArgumentError for invalid ref type' do
+      expect { described_class.new(double, :foo) }
+        .to raise_error(ArgumentError, "invalid ref type `foo`")
+    end
+  end
+
   describe '#protectable_ref_names' do
     before do
       project.protected_branches.create(name: 'master')