Update upstream source from tag 'upstream/12.8.8'

Update to upstream version '12.8.8'
with Debian dir b2d322041b

CHANGELOG-EE.md

@@ -1,5 +1,16 @@
 Please view this file on the master branch, on stable branches it's out of date.
 
+## 12.8.7 (2020-03-16)
+
+### Fixed (1 change)
+
+- Allow multipart uploads for packages. !26387
+
+
+## 12.8.6 (2020-03-11)
+
+- No changes.
+
 ## 12.8.5
 
 - No changes.

CHANGELOG.md

@@ -2,6 +2,36 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 12.8.8 (2020-03-26)
+
+### Security (17 changes)
+
+- Redact notes in moved confidential issues.
+- Ignore empty remote_id params from Workhorse accelerated uploads.
+- External user can not create personal snippet through API.
+- Prevent malicious entry for group name.
+- Restrict mirroring changes to admins only when mirroring is disabled.
+- Reject all container registry requests from blocked users.
+- Deny localhost requests on fogbugz importer.
+- Change GitHub service integration token input to password.
+- Add permission check for pipeline status of MR.
+- Fix UploadRewriter Path Traversal vulnerability.
+- Block hotlinking to repository archives.
+- Restrict access to project pipeline metrics reports.
+- vulnerability_feedback records should be restricted to a dev role and above.
+- Exclude Carrierwave remote URL methods from import.
+- Update Nokogiri to fix CVE-2020-7595.
+- Prevent updating trigger by other maintainers.
+- Fix XSS vulnerability in `admin/email` "Recipient Group" dropdown.
+
+
+## 12.8.7 (2020-03-16)
+
+### Fixed (1 change, 1 of them is from the community)
+
+- Fix crl_url parsing and certificate visualization. !25876 (Roger Meier)
+
+
 ## 12.8.6 (2020-03-11)
 
 ### Security (1 change)

GITALY_SERVER_VERSION

@@ -1 +1 @@
-12.8.6
+12.8.8

GITLAB_WORKHORSE_VERSION

@@ -1 +1 @@
-8.21.0
+8.21.1

Gemfile.lock

@@ -652,7 +652,7 @@ GEM
     netrc (0.11.0)
     nio4r (2.5.2)
     no_proxy_fix (0.1.2)
-    nokogiri (1.10.7)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     nokogumbo (1.5.0)
       nokogiri

VERSION

@@ -1 +1 @@
-12.8.6
+12.8.8

app/assets/javascripts/frequent_items/utils.js

@@ -45,8 +45,19 @@ export const updateExistingFrequentItem = (frequentItem, item) => {
   };
 };
 
-export const sanitizeItem = item => ({
+export const sanitizeItem = item => {
+  // Only sanitize if the key exists on the item
+  const maybeSanitize = key => {
+    if (!Object.prototype.hasOwnProperty.call(item, key)) {
+      return {};
+    }
+
+    return { [key]: sanitize(item[key].toString(), { allowedTags: [] }) };
+  };
+
+  return {
     ...item,
-  name: sanitize(item.name.toString(), { allowedTags: [] }),
+    ...maybeSanitize('name'),
-  namespace: sanitize(item.namespace.toString(), { allowedTags: [] }),
+    ...maybeSanitize('namespace'),
-});
+  };
+};

app/controllers/concerns/hotlink_interceptor.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module HotlinkInterceptor
+  extend ActiveSupport::Concern
+
+  def intercept_hotlinking!
+    return render_406 if Gitlab::HotlinkingDetector.intercept_hotlinking?(request)
+  end
+
+  private
+
+  def render_406
+    head :not_acceptable
+  end
+end

app/controllers/import/fogbugz_controller.rb

@@ -3,6 +3,7 @@
 class Import::FogbugzController < Import::BaseController
   before_action :verify_fogbugz_import_enabled
   before_action :user_map, only: [:new_user_map, :create_user_map]
+  before_action :verify_blocked_uri, only: :callback
 
   rescue_from Fogbugz::AuthenticationException, with: :fogbugz_unauthorized
 
@@ -106,4 +107,21 @@ class Import::FogbugzController < Import::BaseController
   def verify_fogbugz_import_enabled
     render_404 unless fogbugz_import_enabled?
   end
+
+  def verify_blocked_uri
+    Gitlab::UrlBlocker.validate!(
+      params[:uri],
+      {
+        allow_localhost: allow_local_requests?,
+        allow_local_network: allow_local_requests?,
+        schemes: %w(http https)
+      }
+    )
+  rescue Gitlab::UrlBlocker::BlockedUrlError => e
+    redirect_to new_import_fogbugz_url, alert: _('Specified URL cannot be used: "%{reason}"') % { reason: e.message }
+  end
+
+  def allow_local_requests?
+    Gitlab::CurrentSettings.allow_local_requests_from_web_hooks_and_services?
+  end
 end

app/controllers/projects/mirrors_controller.rb

@@ -67,7 +67,7 @@ class Projects::MirrorsController < Projects::ApplicationController
   end
 
   def check_mirror_available!
-    Gitlab::CurrentSettings.current_application_settings.mirror_available || current_user&.admin?
+    render_404 unless can?(current_user, :admin_remote_mirror, project)
   end
 
   def mirror_params_attributes

app/controllers/projects/repositories_controller.rb

@@ -3,11 +3,13 @@
 class Projects::RepositoriesController < Projects::ApplicationController
   include ExtractsPath
   include StaticObjectExternalStorage
+  include HotlinkInterceptor
 
   prepend_before_action(only: [:archive]) { authenticate_sessionless_user!(:archive) }
 
   # Authorize
   before_action :require_non_empty_project, except: :create
+  before_action :intercept_hotlinking!, only: :archive
   before_action :assign_archive_vars, only: :archive
   before_action :assign_append_sha, only: :archive
   before_action :authorize_download_code!

app/helpers/x509_helper.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'net/ldap/dn'
+
+module X509Helper
+  def x509_subject(subject, search_keys)
+    subjects = {}
+
+    Net::LDAP::DN.new(subject).each_pair do |key, value|
+      if key.upcase.start_with?(*search_keys.map(&:upcase))
+        subjects[key.upcase] = value
+      end
+    end
+
+    subjects
+  rescue
+    {}
+  end
+end

app/models/group.rb

@@ -67,6 +67,9 @@ class Group < Namespace
   validates :variables, variable_duplicates: true
 
   validates :two_factor_grace_period, presence: true, numericality: { greater_than_or_equal_to: 0 }
+  validates :name,
+    format: { with: Gitlab::Regex.group_name_regex,
+              message: Gitlab::Regex.group_name_regex_message }
 
   add_authentication_token_field :runners_token, encrypted: -> { Feature.enabled?(:groups_tokens_optional_encryption, default_enabled: true) ? :optional : :required }
 

app/models/issue.rb

@@ -319,9 +319,7 @@ class Issue < ApplicationRecord
       true
     elsif project.owner == user
       true
-    elsif confidential?
+    elsif confidential? && !assignee_or_author?(user)
-      author == user ||
-        assignees.include?(user) ||
       project.team.member?(user, Gitlab::Access::REPORTER)
     else
       project.public? ||

app/serializers/merge_request_poll_widget_entity.rb

@@ -53,7 +53,7 @@ class MergeRequestPollWidgetEntity < Grape::Entity
 
   # CI related
   expose :has_ci?, as: :has_ci
-  expose :ci_status do |merge_request|
+  expose :ci_status, if: -> (mr, _) { presenter(mr).can_read_pipeline? } do |merge_request|
     presenter(merge_request).ci_status
   end
 

app/uploaders/object_storage.rb

@@ -318,7 +318,7 @@ module ObjectStorage
     def cache!(new_file = sanitized_file)
       # We intercept ::UploadedFile which might be stored on remote storage
       # We use that for "accelerated" uploads, where we store result on remote storage
-      if new_file.is_a?(::UploadedFile) && new_file.remote_id
+      if new_file.is_a?(::UploadedFile) && new_file.remote_id.present?
         return cache_remote_file!(new_file.remote_id, new_file.original_filename)
       end
 

app/views/projects/commit/x509/_certificate_details.html.haml

@@ -1,17 +1,15 @@
 .gpg-popover-certificate-details
   %strong= _('Certificate Subject')
   %ul
-    - signature.x509_certificate.subject.split(",").each do |i|
+    - x509_subject(signature.x509_certificate.subject, ["CN", "O"]).map do |key, value|
-      - if i.start_with?("CN", "O")
+      %li= key + "=" + value
-        %li= i
     %li= _('Subject Key Identifier:')
     %li.unstyled= signature.x509_certificate.subject_key_identifier.gsub(":", " ")
 
 .gpg-popover-certificate-details
   %strong= _('Certificate Issuer')
   %ul
-    - signature.x509_certificate.x509_issuer.subject.split(",").each do |i|
+    - x509_subject(signature.x509_certificate.x509_issuer.subject, ["CN", "OU", "O"]).map do |key, value|
-      - if i.start_with?("CN", "OU", "O")
+      %li= key + "=" + value
-        %li= i
     %li= _('Subject Key Identifier:')
     %li.unstyled= signature.x509_certificate.x509_issuer.subject_key_identifier.gsub(":", " ")

app/views/projects/mirrors/_mirror_repos.html.haml

@@ -1,7 +1,9 @@
 - expanded = expanded_by_default?
 - protocols = Gitlab::UrlSanitizer::ALLOWED_SCHEMES.join('|')
+- mirror_settings_enabled = can?(current_user, :admin_remote_mirror, @project)
+- mirror_settings_class = "#{'expanded' if expanded} #{'js-mirror-settings' if mirror_settings_enabled}".strip
 
-%section.settings.project-mirror-settings.js-mirror-settings.no-animate#js-push-remote-settings{ class: ('expanded' if expanded), data: { qa_selector: 'mirroring_repositories_settings_section' } }
+%section.settings.project-mirror-settings.no-animate#js-push-remote-settings{ class: mirror_settings_class, data: { qa_selector: 'mirroring_repositories_settings_section' } }
   .settings-header
     %h4= _('Mirroring repositories')
     %button.btn.js-settings-toggle
@@ -11,6 +13,7 @@
       = link_to _('Read more'), help_page_path('workflow/repository_mirroring'), target: '_blank'
 
   .settings-content
+    - if mirror_settings_enabled
       = form_for @project, url: project_mirror_path(@project), html: { class: 'gl-show-field-errors js-mirror-form', autocomplete: 'new-password', data: mirrors_form_data_attributes } do |f|
         .panel.panel-default
           .panel-body
@@ -31,6 +34,11 @@
 
           .panel-footer
             = f.submit _('Mirror repository'), class: 'btn btn-success js-mirror-submit qa-mirror-repository-button', name: :update_remote_mirror
+    - else
+      .gl-alert.gl-alert-info{ role: 'alert' }
+        = sprite_icon('information-o', size: 16, css_class: 'gl-icon gl-alert-icon gl-alert-icon-no-title')
+        .gl-alert-body
+          = _('Mirror settings are only available to GitLab administrators.')
 
     .panel.panel-default
       .table-responsive
@@ -61,8 +69,10 @@
                   - if mirror.last_error.present?
                     .badge.mirror-error-badge{ data: { toggle: 'tooltip', html: 'true', qa_selector: 'mirror_error_badge' }, title: html_escape(mirror.last_error.try(:strip)) }= _('Error')
                 %td
+                  - if mirror_settings_enabled
                     .btn-group.mirror-actions-group.pull-right{ role: 'group' }
                       - if mirror.ssh_key_auth?
                         = clipboard_button(text: mirror.ssh_public_key, class: 'btn btn-default', title: _('Copy SSH public key'), qa_selector: 'copy_public_key_button')
                       = render 'shared/remote_mirror_update_button', remote_mirror: mirror
                     %button.js-delete-mirror.qa-delete-mirror.rspec-delete-mirror.btn.btn-danger{ type: 'button', data: { mirror_id: mirror.id, toggle: 'tooltip', container: 'body' }, title: _('Remove') }= icon('trash-o')
+

derailed-benchmarks/CHANGELOG.md

@@ -1,5 +1,10 @@
 ## master (unreleased)
 
+## 1.7.0
+
+- Add histogram support to `perf:library` (https://github.com/schneems/derailed_benchmarks/pull/169)
+- Fix bug with `Kernel#require` patch when Zeitwerk is enabled (https://github.com/schneems/derailed_benchmarks/pull/170)
+
 ## 1.6.0
 
 - Added the `perf:app` command to compare commits within the same application. (https://github.com/schneems/derailed_benchmarks/pull/157)

derailed-benchmarks/derailed_benchmarks.gemspec

@@ -30,6 +30,8 @@ Gem::Specification.new do |gem|
   gem.add_dependency "rake",            "> 10", "< 14"
   gem.add_dependency "thor",            ">= 0.19", "< 2"
   gem.add_dependency "ruby-statistics", ">= 2.1"
+  gem.add_dependency "unicode_plot",    ">= 0.0.4", "< 1.0.0"
+  gem.add_dependency "mini_histogram",    "~> 0"
 
   gem.add_development_dependency "capybara",  "~> 2"
   gem.add_development_dependency "m"

derailed-benchmarks/lib/derailed_benchmarks/core_ext/kernel_require.rb

@@ -11,14 +11,20 @@ ENV['CUT_OFF'] ||= "0.3"
 # Monkey patch kernel to ensure that all `require` calls call the same
 # method
 module Kernel
-
-  private
-
-  alias :original_require :require
   REQUIRE_STACK = []
 
+  module_function
+
+  alias_method :original_require, :require
+  alias_method :original_require_relative, :require_relative
+
   def require(file)
-    Kernel.require(file)
+    measure_memory_impact(file) do |file|
+      # "source_annotation_extractor" is deprecated in Rails 6
+      # # if we don't skip the library it leads to a crash
+      # next if file == "rails/source_annotation_extractor" && Rails.version >= '6.0'
+      original_require(file)
+    end
   end
 
   def require_relative(file)
@@ -29,10 +35,7 @@ module Kernel
     end
   end
 
-  class << self
+  private
-    alias :original_require          :require
-    alias :original_require_relative :require_relative
-  end
 
   # The core extension we use to measure require time of all requires
   # When a file is required we create a tree node with its file name.
@@ -46,7 +49,7 @@ module Kernel
   # When a require returns we remove it from the require stack so we don't
   # accidentally push additional children nodes to it. We then store the
   # memory cost of the require in the tree node.
-  def self.measure_memory_impact(file, &block)
+  def measure_memory_impact(file, &block)
     mem    = GetProcessMem.new
     node   = DerailedBenchmarks::RequireTree.new(file)
 
@@ -68,15 +71,6 @@ end
 TOP_REQUIRE = DerailedBenchmarks::RequireTree.new("TOP")
 REQUIRE_STACK.push(TOP_REQUIRE)
 
-Kernel.define_singleton_method(:require) do |file|
-  measure_memory_impact(file) do |file|
-    # "source_annotation_extractor" is deprecated in Rails 6
-    # # if we don't skip the library it leads to a crash
-    # next if file == "rails/source_annotation_extractor" && Rails.version >= '6.0'
-    original_require(file)
-  end
-end
-
 class Object
   private
 

derailed-benchmarks/lib/derailed_benchmarks/load_tasks.rb

@@ -30,7 +30,7 @@ namespace :perf do
       DERAILED_APP.initialize! unless DERAILED_APP.instance_variable_get(:@initialized)
     end
 
-    if  ENV["DERAILED_SKIP_ACTIVE_RECORD"] && defined? ActiveRecord
+    if !ENV["DERAILED_SKIP_ACTIVE_RECORD"] && defined? ActiveRecord
       if defined? ActiveRecord::Tasks::DatabaseTasks
         ActiveRecord::Tasks::DatabaseTasks.create_current
       else # Rails 3.2
@@ -39,8 +39,15 @@ namespace :perf do
 
       ActiveRecord::Migrator.migrations_paths = DERAILED_APP.paths['db/migrate'].to_a
       ActiveRecord::Migration.verbose         = true
+
+      if Rails.version.start_with? '6'
+        ActiveRecord::MigrationContext.new(ActiveRecord::Migrator.migrations_paths, ActiveRecord::SchemaMigration).migrate
+      elsif Rails.version.start_with? '5.2'
+        ActiveRecord::MigrationContext.new(ActiveRecord::Migrator.migrations_paths).migrate
+      else
         ActiveRecord::Migrator.migrate(ActiveRecord::Migrator.migrations_paths, nil)
       end
+    end
 
     DERAILED_APP.config.consider_all_requests_local = true
   end

derailed-benchmarks/lib/derailed_benchmarks/stats_from_dir.rb

@@ -2,6 +2,9 @@
 
 require 'bigdecimal'
 require 'statistics'
+require 'unicode_plot'
+require 'stringio'
+require 'mini_histogram'
 
 module DerailedBenchmarks
   # A class used to read several benchmark files
@@ -100,7 +103,26 @@ module DerailedBenchmarks
       " " * (percent_faster.to_s.index(".") - x_faster.to_s.index("."))
     end
 
-    def banner(io = Kernel)
+    def histogram(io = $stdout)
+      newest_histogram = MiniHistogram.new(newest.values)
+      oldest_histogram = MiniHistogram.new(oldest.values)
+      MiniHistogram.set_average_edges!(newest_histogram, oldest_histogram)
+
+      {newest => newest_histogram, oldest => oldest_histogram}.each do |report, histogram|
+        plot = UnicodePlot.histogram(
+          histogram,
+          title: "\n#{' ' * 18 }Histogram - [#{report.name}] #{report.desc.inspect}",
+          ylabel: "Time (s)",
+          xlabel: "# of runs in range"
+        )
+        plot.render(io)
+        io.puts
+      end
+
+      io.puts
+    end
+
+    def banner(io = $stdout)
       io.puts
       if significant?
         io.puts "❤️ ❤️ ❤️  (Statistically Significant) ❤️ ❤️ ❤️"
@@ -122,6 +144,9 @@ module DerailedBenchmarks
       io.puts "Is significant? (max > critical): #{significant?}"
       io.puts "D critical: #{d_critical}"
       io.puts "D max: #{d_max}"
+
+      histogram(io)
+
       io.puts
     end
   end

derailed-benchmarks/lib/derailed_benchmarks/tasks.rb

@@ -88,7 +88,8 @@ namespace :perf do
 
         if (i % 50).zero?
           puts "Intermediate result"
-          stats.call.banner
+          stats.call
+          stats.banner
           puts "Continuing execution"
         end
       end
@@ -102,7 +103,8 @@ namespace :perf do
       end
 
       if stats
-        stats.call.banner
+        stats.call
+        stats.banner
 
         result_file = out_dir + "results.txt"
         File.open(result_file, "w") do |f|

derailed-benchmarks/lib/derailed_benchmarks/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module DerailedBenchmarks
-  VERSION = "1.6.0"
+  VERSION = "1.7.0"
 end

derailed-benchmarks/test/derailed_benchmarks/stats_from_dir_test.rb

@@ -29,6 +29,22 @@ class StatsFromDirTest < ActiveSupport::TestCase
     assert_equal "11.3844", format % newest.median
   end
 
+  test "histogram output" do
+    dir = fixtures_dir("stats/significant")
+    branch_info = {}
+    branch_info["loser"]  = { desc: "Old commit", time: Time.now, file: dir.join("loser.bench.txt"), name: "loser" }
+    branch_info["winner"] = { desc: "I am the new commit", time: Time.now + 1, file: dir.join("winner.bench.txt"), name: "winner" }
+    stats = DerailedBenchmarks::StatsFromDir.new(branch_info).call
+
+    io = StringIO.new
+    stats.call.banner(io)
+    puts io.string
+
+    assert_match(/11\.2 , 11\.28/, io.string)
+    assert_match(/11\.8 , 11\.88/, io.string)
+  end
+
+
   test "alignment" do
     dir = fixtures_dir("stats/significant")
     branch_info = {}

derailed-benchmarks/test/integration/tasks_test.rb

@@ -26,7 +26,7 @@ class TasksTest < ActiveSupport::TestCase
     env_string = env.map {|key, value| "#{key.shellescape}=#{value.to_s.shellescape}" }.join(" ")
     cmd        = "env #{env_string} bundle exec rake -f perf.rake #{cmd} --trace"
     puts "Running: #{cmd}"
-    result = `cd '#{rails_app_path}' && #{cmd}`
+    result = Bundler.with_original_env { `cd '#{rails_app_path}' && #{cmd}` }
     if assert_success
       assert $?.success?, "Expected '#{cmd}' to return a success status.\nOutput: #{result}"
     end

derailed-benchmarks/test/rails_app/config/application.rb

@@ -13,6 +13,8 @@ require 'devise'
 
 module Dummy
   class Application < Rails::Application
+    config.load_defaults Rails.version.to_f
+
     config.action_mailer.default_url_options = { host: 'localhost:3000' }
 
     # Settings in config/environments/* take precedence over those specified here.

lib/api/helpers.rb

@@ -359,6 +359,10 @@ module API
       render_api_error!('405 Method Not Allowed', 405)
     end
 
+    def not_acceptable!
+      render_api_error!('406 Not Acceptable', 406)
+    end
+
     def conflict!(message = nil)
       render_api_error!(message || '409 Conflict', 409)
     end

lib/api/repositories.rb

@@ -89,6 +89,8 @@ module API
         optional :format, type: String, desc: 'The archive format'
       end
       get ':id/repository/archive', requirements: { format: Gitlab::PathRegex.archive_formats_regex } do
+        not_acceptable! if Gitlab::HotlinkingDetector.intercept_hotlinking?(request)
+
         send_git_archive user_project.repository, ref: params[:sha], format: params[:format], append_sha: true
       rescue
         not_found!('File')

lib/api/snippets.rb

@@ -74,6 +74,8 @@ module API
                               desc: 'The visibility of the snippet'
       end
       post do
+        authorize! :create_snippet
+
         attrs = declared_params(include_missing: false).merge(request: request, api: true)
         service_response = ::Snippets::CreateService.new(nil, current_user, attrs).execute
         snippet = service_response.payload[:snippet]

lib/api/triggers.rb

@@ -109,6 +109,8 @@ module API
         trigger = user_project.triggers.find(params.delete(:trigger_id))
         break not_found!('Trigger') unless trigger
 
+        authorize! :admin_trigger, trigger
+
         if trigger.update(declared_params(include_missing: false))
           present trigger, with: Entities::Trigger, current_user: current_user
         else

lib/gitlab/auth.rb

@@ -171,6 +171,8 @@ module Gitlab
 
           if valid_oauth_token?(token)
             user = User.find_by(id: token.resource_owner_id)
+            return unless user.can?(:log_in)
+
             Gitlab::Auth::Result.new(user, nil, :oauth, full_authentication_abilities)
           end
         end
@@ -182,7 +184,7 @@ module Gitlab
 
         token = PersonalAccessTokensFinder.new(state: 'active').find_by_token(password)
 
-        if token && valid_scoped_token?(token, all_available_scopes)
+        if token && valid_scoped_token?(token, all_available_scopes) && token.user.can?(:log_in)
           Gitlab::Auth::Result.new(token.user, nil, :personal_access_token, abilities_for_scopes(token.scopes))
         end
       end
@@ -260,6 +262,8 @@ module Gitlab
         return unless build.project.builds_enabled?
 
         if build.user
+          return unless build.user.can?(:log_in)
+
           # If user is assigned to build, use restricted credentials of user
           Gitlab::Auth::Result.new(build.user, build.project, :build, build_authentication_abilities)
         else

lib/gitlab/gfm/uploads_rewriter.rb

@@ -22,6 +22,8 @@ module Gitlab
         return @text unless needs_rewrite?
 
         @text.gsub(@pattern) do |markdown|
+          Gitlab::Utils.check_path_traversal!($~[:file])
+
           file = find_file(@source_project, $~[:secret], $~[:file])
           break markdown unless file.try(:exists?)
 

lib/gitlab/hotlinking_detector.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+module Gitlab
+  class HotlinkingDetector
+    IMAGE_FORMATS = %w(image/jpeg image/apng image/png image/webp image/svg+xml image/*).freeze
+    MEDIA_FORMATS = %w(video/webm video/ogg video/* application/ogg audio/webm audio/ogg audio/wav audio/*).freeze
+    CSS_FORMATS = %w(text/css).freeze
+    INVALID_FORMATS = (IMAGE_FORMATS + MEDIA_FORMATS + CSS_FORMATS).freeze
+    INVALID_FETCH_MODES = %w(cors no-cors websocket).freeze
+
+    class << self
+      def intercept_hotlinking?(request)
+        request_accepts = parse_request_accepts(request)
+
+        return false unless Feature.enabled?(:repository_archive_hotlinking_interception, default_enabled: true)
+
+        # Block attempts to embed as JS
+        return true if sec_fetch_invalid?(request)
+
+        # If no Accept header was set, skip the rest
+        return false if request_accepts.empty?
+
+        # Workaround for IE8 weirdness
+        return false if IMAGE_FORMATS.include?(request_accepts.first) && request_accepts.include?("application/x-ms-application")
+
+        # Block all other media requests if the first format is a media type
+        return true if INVALID_FORMATS.include?(request_accepts.first)
+
+        false
+      end
+
+      private
+
+      def sec_fetch_invalid?(request)
+        fetch_mode = request.headers["Sec-Fetch-Mode"]
+
+        return if fetch_mode.blank?
+        return true if INVALID_FETCH_MODES.include?(fetch_mode)
+      end
+
+      def parse_request_accepts(request)
+        # Rails will already have parsed the Accept header
+        return request.accepts if request.respond_to?(:accepts)
+
+        # Grape doesn't parse it, so we can use the Rails system for this
+        return Mime::Type.parse(request.headers["Accept"]) if request.respond_to?(:headers) && request.headers["Accept"].present?
+
+        []
+      end
+    end
+  end
+end

lib/gitlab/import_export/attribute_cleaner.rb

@@ -11,7 +11,14 @@ module Gitlab
         'discussion_id',
         'custom_attributes'
       ].freeze
-      PROHIBITED_REFERENCES = Regexp.union(/\Acached_markdown_version\Z/, /_id\Z/, /_ids\Z/, /_html\Z/, /attributes/).freeze
+      PROHIBITED_REFERENCES = Regexp.union(
+        /\Acached_markdown_version\Z/,
+        /_id\Z/,
+        /_ids\Z/,
+        /_html\Z/,
+        /attributes/,
+        /\Aremote_\w+_(url|urls|request_header)\Z/ # carrierwave automatically creates these attribute methods for uploads
+      ).freeze
 
       def self.clean(*args)
         new(*args).clean

lib/gitlab/middleware/multipart.rb

@@ -84,12 +84,6 @@ module Gitlab
         end
 
         def open_file(params, key)
-          allowed_paths = [
-            ::FileUploader.root,
-            Gitlab.config.uploads.storage_path,
-            File.join(Rails.root, 'public/uploads/tmp')
-          ]
-
           ::UploadedFile.from_params(params, key, allowed_paths)
         end
 
@@ -106,6 +100,16 @@ module Gitlab
           # inside other env keys, here we ensure everything is updated correctly
           ActionDispatch::Request.new(@request.env).update_param(key, value)
         end
+
+        private
+
+        def allowed_paths
+          [
+            ::FileUploader.root,
+            Gitlab.config.uploads.storage_path,
+            File.join(Rails.root, 'public/uploads/tmp')
+          ]
+        end
       end
 
       def initialize(app)
@@ -125,3 +129,5 @@ module Gitlab
     end
   end
 end
+
+::Gitlab::Middleware::Multipart::Handler.prepend_if_ee('EE::Gitlab::Middleware::Multipart::Handler')

lib/gitlab/regex.rb

@@ -16,6 +16,14 @@ module Gitlab
       "It must start with letter, digit, emoji or '_'."
     end
 
+    def group_name_regex
+      project_name_regex
+    end
+
+    def group_name_regex_message
+      project_name_regex_message
+    end
+
     ##
     # Docker Distribution Registry repository / tag name rules
     #

lib/gitlab/x509/commit.rb

@@ -105,15 +105,24 @@ module Gitlab
 
       def certificate_crl
         extension = get_certificate_extension('crlDistributionPoints')
-        extension.split('URI:').each do |item|
+        crl_url = nil
+
+        extension.each_line do |line|
+          break if crl_url
+
+          line.split('URI:').each do |item|
             item.strip
 
             if item.start_with?("http")
-            return item.strip
+              crl_url = item.strip
+              break
             end
           end
         end
 
+        crl_url
+      end
+
       def get_certificate_extension(extension)
         cert.extensions.each do |ext|
           if ext.oid == extension

lib/uploaded_file.rb

@@ -48,7 +48,7 @@ class UploadedFile
     return if path.blank? && remote_id.blank?
 
     file_path = nil
-    if path
+    if path.present?
       file_path = File.realpath(path)
 
       paths = Array(upload_paths) << Dir.tmpdir

locale/gitlab.pot

@@ -12357,6 +12357,9 @@ msgstr ""
 msgid "Mirror repository"
 msgstr ""
 
+msgid "Mirror settings are only available to GitLab administrators."
+msgstr ""
+
 msgid "Mirror user"
 msgstr ""
 
@@ -18176,6 +18179,9 @@ msgstr ""
 msgid "Specific Runners"
 msgstr ""
 
+msgid "Specified URL cannot be used: \"%{reason}\""
+msgstr ""
+
 msgid "Specify an e-mail address regex pattern to identify default internal users."
 msgstr ""
 

spec/controllers/groups_controller_spec.rb

@@ -258,6 +258,18 @@ describe GroupsController do
         end
       end
     end
+
+    context "malicious group name" do
+      subject { post :create, params: { group: { name: "<script>alert('Mayday!');</script>", path: "invalid_group_url" } } }
+
+      before do
+        sign_in(user)
+      end
+
+      it { expect { subject }.not_to change { Group.count } }
+
+      it { expect(subject).to render_template(:new) }
+    end
   end
 
   describe 'GET #index' do
@@ -829,6 +841,16 @@ describe GroupsController do
             put :update, params: { id: group.to_param, group: { name: 'world' } }
           end.to change { group.reload.name }
         end
+
+        context "malicious group name" do
+          subject { put :update, params: { id: group.to_param, group: { name: "<script>alert('Attack!');</script>" } } }
+
+          it { is_expected.to render_template(:edit) }
+
+          it 'does not update name' do
+            expect { subject }.not_to change { group.reload.name }
+          end
+        end
       end
 
       describe 'DELETE #destroy' do

spec/controllers/import/fogbugz_controller_spec.rb

@@ -25,6 +25,35 @@ describe Import::FogbugzController do
       expect(session[:fogbugz_uri]).to eq(uri)
       expect(response).to redirect_to(new_user_map_import_fogbugz_path)
     end
+
+    context 'verify url' do
+      shared_examples 'denies local request' do |reason|
+        it 'does not allow requests' do
+          post :callback, params: { uri: uri, email: 'test@example.com', password: 'mypassword' }
+
+          expect(response).to redirect_to(new_import_fogbugz_url)
+          expect(flash[:alert]).to eq("Specified URL cannot be used: \"#{reason}\"")
+        end
+      end
+
+      context 'when host is localhost' do
+        let(:uri) { 'https://localhost:3000' }
+
+        include_examples 'denies local request', 'Requests to localhost are not allowed'
+      end
+
+      context 'when host is on local network' do
+        let(:uri) { 'http://192.168.0.1/' }
+
+        include_examples 'denies local request', 'Requests to the local network are not allowed'
+      end
+
+      context 'when host is ftp protocol' do
+        let(:uri) { 'ftp://testing' }
+
+        include_examples 'denies local request', 'Only allowed schemes are http, https'
+      end
+    end
   end
 
   describe 'POST #create_user_map' do

spec/controllers/projects/mirrors_controller_spec.rb

@@ -5,6 +5,72 @@ require 'spec_helper'
 describe Projects::MirrorsController do
   include ReactiveCachingHelpers
 
+  shared_examples 'only admin is allowed when mirroring is disabled' do
+    let(:subject_action) { raise 'subject_action is required' }
+    let(:user) { project.owner }
+    let(:project_settings_path) { project_settings_repository_path(project, anchor: 'js-push-remote-settings') }
+
+    context 'when project mirroring is enabled' do
+      it 'allows requests from a maintainer' do
+        sign_in(user)
+
+        subject_action
+        expect(response).to redirect_to(project_settings_path)
+      end
+
+      it 'allows requests from an admin user' do
+        user.update!(admin: true)
+        sign_in(user)
+
+        subject_action
+        expect(response).to redirect_to(project_settings_path)
+      end
+    end
+
+    context 'when project mirroring is disabled' do
+      before do
+        stub_application_setting(mirror_available: false)
+      end
+
+      it 'disallows requests from a maintainer' do
+        sign_in(user)
+
+        subject_action
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+
+      it 'allows requests from an admin user' do
+        user.update!(admin: true)
+        sign_in(user)
+
+        subject_action
+        expect(response).to redirect_to(project_settings_path)
+      end
+    end
+  end
+
+  describe 'Access control' do
+    let(:project) { create(:project, :repository) }
+
+    describe '#update' do
+      include_examples 'only admin is allowed when mirroring is disabled' do
+        let(:subject_action) do
+          do_put(project, remote_mirrors_attributes: { '0' => { 'enabled' => 1, 'url' => 'http://foo.com' } })
+        end
+      end
+    end
+
+    describe '#update_now' do
+      include_examples 'only admin is allowed when mirroring is disabled' do
+        let(:options) { { namespace_id: project.namespace, project_id: project } }
+
+        let(:subject_action) do
+          get :update_now, params: options.merge(sync_remote: true)
+        end
+      end
+    end
+  end
+
   describe 'setting up a remote mirror' do
     let_it_be(:project) { create(:project, :repository) }
 

spec/controllers/projects/repositories_controller_spec.rb

@@ -24,6 +24,12 @@ describe Projects::RepositoriesController do
         sign_in(user)
       end
 
+      it_behaves_like "hotlink interceptor" do
+        let(:http_request) do
+          get :archive, params: { namespace_id: project.namespace, project_id: project, id: "master" }, format: "zip"
+        end
+      end
+
       it "uses Gitlab::Workhorse" do
         get :archive, params: { namespace_id: project.namespace, project_id: project, id: "master" }, format: "zip"
 

spec/factories/pages_domains.rb

@@ -7,39 +7,11 @@ FactoryBot.define do
     enabled_until { 1.week.from_now }
 
     certificate do
-      '-----BEGIN CERTIFICATE-----
+      File.read(Rails.root.join('spec/fixtures/', 'ssl_certificate.pem'))
-MIICGzCCAYSgAwIBAgIBATANBgkqhkiG9w0BAQUFADAbMRkwFwYDVQQDExB0ZXN0
-LWNlcnRpZmljYXRlMB4XDTE2MDIxMjE0MzIwMFoXDTIwMDQxMjE0MzIwMFowGzEZ
-MBcGA1UEAxMQdGVzdC1jZXJ0aWZpY2F0ZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw
-gYkCgYEApL4J9L0ZxFJ1hI1LPIflAlAGvm6ZEvoT4qKU5Xf2JgU7/2geNR1qlNFa
-SvCc08Knupp5yTgmvyK/Xi09U0N82vvp4Zvr/diSc4A/RA6Mta6egLySNT438kdT
-nY2tR5feoTLwQpX0t4IMlwGQGT5h6Of2fKmDxzuwuyffcIHqLdsCAwEAAaNvMG0w
-DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUxl9WSxBprB0z0ibJs3rXEk0+95AwCwYD
-VR0PBAQDAgXgMBEGCWCGSAGG+EIBAQQEAwIGQDAeBglghkgBhvhCAQ0EERYPeGNh
-IGNlcnRpZmljYXRlMA0GCSqGSIb3DQEBBQUAA4GBAGC4T8SlFHK0yPSa+idGLQFQ
-joZp2JHYvNlTPkRJ/J4TcXxBTJmArcQgTIuNoBtC+0A/SwdK4MfTCUY4vNWNdese
-5A4K65Nb7Oh1AdQieTBHNXXCdyFsva9/ScfQGEl7p55a52jOPs0StPd7g64uvjlg
-YHi2yesCrOvVXt+lgPTd
------END CERTIFICATE-----'
     end
 
     key do
-      '-----BEGIN PRIVATE KEY-----
+      File.read(Rails.root.join('spec/fixtures/', 'ssl_key.pem'))
-MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAKS+CfS9GcRSdYSN
-SzyH5QJQBr5umRL6E+KilOV39iYFO/9oHjUdapTRWkrwnNPCp7qaeck4Jr8iv14t
-PVNDfNr76eGb6/3YknOAP0QOjLWunoC8kjU+N/JHU52NrUeX3qEy8EKV9LeCDJcB
-kBk+Yejn9nypg8c7sLsn33CB6i3bAgMBAAECgYA2D26w80T7WZvazYr86BNMePpd
-j2mIAqx32KZHzt/lhh40J/SRtX9+Kl0Y7nBoRR5Ja9u/HkAIxNxLiUjwg9r6cpg/
-uITEF5nMt7lAk391BuI+7VOZZGbJDsq2ulPd6lO+C8Kq/PI/e4kXcIjeH6KwQsuR
-5vrXfBZ3sQfflaiN4QJBANBt8JY2LIGQF8o89qwUpRL5vbnKQ4IzZ5+TOl4RLR7O
-AQpJ81tGuINghO7aunctb6rrcKJrxmEH1whzComybrMCQQDKV49nOBudRBAIgG4K
-EnLzsRKISUHMZSJiYTYnablof8cKw1JaQduw7zgrUlLwnroSaAGX88+Jw1f5n2Lh
-Vlg5AkBDdUGnrDLtYBCDEQYZHblrkc7ZAeCllDOWjxUV+uMqlCv8A4Ey6omvY57C
-m6I8DkWVAQx8VPtozhvHjUw80rZHAkB55HWHAM3h13axKG0htCt7klhPsZHpx6MH
-EPjGlXIT+aW2XiPmK3ZlCDcWIenE+lmtbOpI159Wpk8BGXs/s/xBAkEAlAY3ymgx
-63BDJEwvOb2IaP8lDDxNsXx9XJNVvQbv5n15vNsLHbjslHfAhAbxnLQ1fLhUPqSi
-nNp/xedE1YxutQ==
------END PRIVATE KEY-----'
     end
 
     trait :disabled do

spec/factories/serverless/domain_cluster.rb

@@ -7,39 +7,11 @@ FactoryBot.define do
     creator { create(:user) }
 
     certificate do
-      '-----BEGIN CERTIFICATE-----
+      File.read(Rails.root.join('spec/fixtures/', 'ssl_certificate.pem'))
-MIICGzCCAYSgAwIBAgIBATANBgkqhkiG9w0BAQUFADAbMRkwFwYDVQQDExB0ZXN0
-LWNlcnRpZmljYXRlMB4XDTE2MDIxMjE0MzIwMFoXDTIwMDQxMjE0MzIwMFowGzEZ
-MBcGA1UEAxMQdGVzdC1jZXJ0aWZpY2F0ZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw
-gYkCgYEApL4J9L0ZxFJ1hI1LPIflAlAGvm6ZEvoT4qKU5Xf2JgU7/2geNR1qlNFa
-SvCc08Knupp5yTgmvyK/Xi09U0N82vvp4Zvr/diSc4A/RA6Mta6egLySNT438kdT
-nY2tR5feoTLwQpX0t4IMlwGQGT5h6Of2fKmDxzuwuyffcIHqLdsCAwEAAaNvMG0w
-DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUxl9WSxBprB0z0ibJs3rXEk0+95AwCwYD
-VR0PBAQDAgXgMBEGCWCGSAGG+EIBAQQEAwIGQDAeBglghkgBhvhCAQ0EERYPeGNh
-IGNlcnRpZmljYXRlMA0GCSqGSIb3DQEBBQUAA4GBAGC4T8SlFHK0yPSa+idGLQFQ
-joZp2JHYvNlTPkRJ/J4TcXxBTJmArcQgTIuNoBtC+0A/SwdK4MfTCUY4vNWNdese
-5A4K65Nb7Oh1AdQieTBHNXXCdyFsva9/ScfQGEl7p55a52jOPs0StPd7g64uvjlg
-YHi2yesCrOvVXt+lgPTd
------END CERTIFICATE-----'
     end
 
     key do
-      '-----BEGIN PRIVATE KEY-----
+      File.read(Rails.root.join('spec/fixtures/', 'ssl_key.pem'))
-MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAKS+CfS9GcRSdYSN
-SzyH5QJQBr5umRL6E+KilOV39iYFO/9oHjUdapTRWkrwnNPCp7qaeck4Jr8iv14t
-PVNDfNr76eGb6/3YknOAP0QOjLWunoC8kjU+N/JHU52NrUeX3qEy8EKV9LeCDJcB
-kBk+Yejn9nypg8c7sLsn33CB6i3bAgMBAAECgYA2D26w80T7WZvazYr86BNMePpd
-j2mIAqx32KZHzt/lhh40J/SRtX9+Kl0Y7nBoRR5Ja9u/HkAIxNxLiUjwg9r6cpg/
-uITEF5nMt7lAk391BuI+7VOZZGbJDsq2ulPd6lO+C8Kq/PI/e4kXcIjeH6KwQsuR
-5vrXfBZ3sQfflaiN4QJBANBt8JY2LIGQF8o89qwUpRL5vbnKQ4IzZ5+TOl4RLR7O
-AQpJ81tGuINghO7aunctb6rrcKJrxmEH1whzComybrMCQQDKV49nOBudRBAIgG4K
-EnLzsRKISUHMZSJiYTYnablof8cKw1JaQduw7zgrUlLwnroSaAGX88+Jw1f5n2Lh
-Vlg5AkBDdUGnrDLtYBCDEQYZHblrkc7ZAeCllDOWjxUV+uMqlCv8A4Ey6omvY57C
-m6I8DkWVAQx8VPtozhvHjUw80rZHAkB55HWHAM3h13axKG0htCt7klhPsZHpx6MH
-EPjGlXIT+aW2XiPmK3ZlCDcWIenE+lmtbOpI159Wpk8BGXs/s/xBAkEAlAY3ymgx
-63BDJEwvOb2IaP8lDDxNsXx9XJNVvQbv5n15vNsLHbjslHfAhAbxnLQ1fLhUPqSi
-nNp/xedE1YxutQ==
------END PRIVATE KEY-----'
     end
   end
 end

spec/features/projects/pages_spec.rb

@@ -135,43 +135,11 @@ shared_examples 'pages settings editing' do
 
       context 'when pages are exposed on external HTTPS address', :https_pages_enabled, :js do
         let(:certificate_pem) do
-          <<~PEM
+          attributes_for(:pages_domain)[:certificate]
-          -----BEGIN CERTIFICATE-----
-          MIICGzCCAYSgAwIBAgIBATANBgkqhkiG9w0BAQUFADAbMRkwFwYDVQQDExB0ZXN0
-          LWNlcnRpZmljYXRlMB4XDTE2MDIxMjE0MzIwMFoXDTIwMDQxMjE0MzIwMFowGzEZ
-          MBcGA1UEAxMQdGVzdC1jZXJ0aWZpY2F0ZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw
-          gYkCgYEApL4J9L0ZxFJ1hI1LPIflAlAGvm6ZEvoT4qKU5Xf2JgU7/2geNR1qlNFa
-          SvCc08Knupp5yTgmvyK/Xi09U0N82vvp4Zvr/diSc4A/RA6Mta6egLySNT438kdT
-          nY2tR5feoTLwQpX0t4IMlwGQGT5h6Of2fKmDxzuwuyffcIHqLdsCAwEAAaNvMG0w
-          DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUxl9WSxBprB0z0ibJs3rXEk0+95AwCwYD
-          VR0PBAQDAgXgMBEGCWCGSAGG+EIBAQQEAwIGQDAeBglghkgBhvhCAQ0EERYPeGNh
-          IGNlcnRpZmljYXRlMA0GCSqGSIb3DQEBBQUAA4GBAGC4T8SlFHK0yPSa+idGLQFQ
-          joZp2JHYvNlTPkRJ/J4TcXxBTJmArcQgTIuNoBtC+0A/SwdK4MfTCUY4vNWNdese
-          5A4K65Nb7Oh1AdQieTBHNXXCdyFsva9/ScfQGEl7p55a52jOPs0StPd7g64uvjlg
-          YHi2yesCrOvVXt+lgPTd
-          -----END CERTIFICATE-----
-          PEM
         end
 
         let(:certificate_key) do
-          <<~KEY
+          attributes_for(:pages_domain)[:key]
-          -----BEGIN PRIVATE KEY-----
-          MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAKS+CfS9GcRSdYSN
-          SzyH5QJQBr5umRL6E+KilOV39iYFO/9oHjUdapTRWkrwnNPCp7qaeck4Jr8iv14t
-          PVNDfNr76eGb6/3YknOAP0QOjLWunoC8kjU+N/JHU52NrUeX3qEy8EKV9LeCDJcB
-          kBk+Yejn9nypg8c7sLsn33CB6i3bAgMBAAECgYA2D26w80T7WZvazYr86BNMePpd
-          j2mIAqx32KZHzt/lhh40J/SRtX9+Kl0Y7nBoRR5Ja9u/HkAIxNxLiUjwg9r6cpg/
-          uITEF5nMt7lAk391BuI+7VOZZGbJDsq2ulPd6lO+C8Kq/PI/e4kXcIjeH6KwQsuR
-          5vrXfBZ3sQfflaiN4QJBANBt8JY2LIGQF8o89qwUpRL5vbnKQ4IzZ5+TOl4RLR7O
-          AQpJ81tGuINghO7aunctb6rrcKJrxmEH1whzComybrMCQQDKV49nOBudRBAIgG4K
-          EnLzsRKISUHMZSJiYTYnablof8cKw1JaQduw7zgrUlLwnroSaAGX88+Jw1f5n2Lh
-          Vlg5AkBDdUGnrDLtYBCDEQYZHblrkc7ZAeCllDOWjxUV+uMqlCv8A4Ey6omvY57C
-          m6I8DkWVAQx8VPtozhvHjUw80rZHAkB55HWHAM3h13axKG0htCt7klhPsZHpx6MH
-          EPjGlXIT+aW2XiPmK3ZlCDcWIenE+lmtbOpI159Wpk8BGXs/s/xBAkEAlAY3ymgx
-          63BDJEwvOb2IaP8lDDxNsXx9XJNVvQbv5n15vNsLHbjslHfAhAbxnLQ1fLhUPqSi
-          nNp/xedE1YxutQ==
-          -----END PRIVATE KEY-----
-          KEY
         end
 
         it 'adds new domain with certificate' do

spec/features/projects/settings/repository_settings_spec.rb

@@ -142,11 +142,7 @@ describe 'Projects > Settings > Repository settings' do
     end
 
     context 'remote mirror settings' do
-      let(:user2) { create(:user) }
-
       before do
-        project.add_maintainer(user2)
-
         visit project_settings_repository_path(project)
       end
 
@@ -206,6 +202,18 @@ describe 'Projects > Settings > Repository settings' do
         expect(page).to have_selector('[title="Copy SSH public key"]')
       end
 
+      context 'when project mirroring is disabled' do
+        before do
+          stub_application_setting(mirror_available: false)
+          visit project_settings_repository_path(project)
+        end
+
+        it 'hides remote mirror settings' do
+          expect(page.find('.project-mirror-settings')).not_to have_selector('form')
+          expect(page).to have_content('Mirror settings are only available to GitLab administrators.')
+        end
+      end
+
       def select_direction(direction = 'push')
         direction_select = find('#mirror_direction')
 
@@ -270,4 +278,31 @@ describe 'Projects > Settings > Repository settings' do
       expect(mirror).not_to have_selector('.rspec-update-now-button')
     end
   end
+
+  context 'for admin' do
+    shared_examples_for 'shows mirror settings' do
+      it 'shows mirror settings' do
+        expect(page.find('.project-mirror-settings')).to have_selector('form')
+        expect(page).not_to have_content('Changing mirroring setting is disabled for non-admin users.')
+      end
+    end
+
+    before do
+      stub_application_setting(mirror_available: mirror_available)
+      user.update!(admin: true)
+      visit project_settings_repository_path(project)
+    end
+
+    context 'when project mirroring is enabled' do
+      let(:mirror_available) { true }
+
+      include_examples 'shows mirror settings'
+    end
+
+    context 'when project mirroring is disabled' do
+      let(:mirror_available) { false }
+
+      include_examples 'shows mirror settings'
+    end
+  end
 end

spec/fixtures/ssl_certificate.pem

@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

spec/fixtures/ssl_key.pem

@@ -0,0 +1,16 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

spec/helpers/x509_helper_spec.rb

@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe X509Helper do
+  describe '#x509_subject' do
+    let(:search_uppercase) { %w[CN OU O] }
+    let(:search_lowercase) { %w[cn ou o] }
+    let(:certificate_attributes) do
+      {
+        'CN' => 'CA Issuing',
+        'OU' => 'Trust Center',
+        'O' => 'Example'
+      }
+    end
+
+    context 'with uppercase DN' do
+      let(:upper_dn) { 'CN=CA Issuing,OU=Trust Center,O=Example,L=World,C=Galaxy' }
+
+      it 'returns the attributes on any case search' do
+        expect(x509_subject(upper_dn, search_lowercase)).to eq(certificate_attributes)
+        expect(x509_subject(upper_dn, search_uppercase)).to eq(certificate_attributes)
+      end
+    end
+
+    context 'with lowercase DN' do
+      let(:lower_dn) { 'cn=CA Issuing,ou=Trust Center,o=Example,l=World,c=Galaxy' }
+
+      it 'returns the attributes on any case search' do
+        expect(x509_subject(lower_dn, search_lowercase)).to eq(certificate_attributes)
+        expect(x509_subject(lower_dn, search_uppercase)).to eq(certificate_attributes)
+      end
+    end
+
+    context 'with comma within DN' do
+      let(:comma_dn) { 'cn=CA\, Issuing,ou=Trust Center,o=Example,l=World,c=Galaxy' }
+      let(:certificate_attributes) do
+        {
+          'CN' => 'CA, Issuing',
+          'OU' => 'Trust Center',
+          'O' => 'Example'
+        }
+      end
+
+      it 'returns the attributes on any case search' do
+        expect(x509_subject(comma_dn, search_lowercase)).to eq(certificate_attributes)
+        expect(x509_subject(comma_dn, search_uppercase)).to eq(certificate_attributes)
+      end
+    end
+
+    context 'with mal formed DN' do
+      let(:bad_dn) { 'cn=CA, Issuing,ou=Trust Center,o=Example,l=World,c=Galaxy' }
+
+      it 'returns nil on any case search' do
+        expect(x509_subject(bad_dn, search_lowercase)).to eq({})
+        expect(x509_subject(bad_dn, search_uppercase)).to eq({})
+      end
+    end
+  end
+end

spec/javascripts/frequent_items/utils_spec.js

@@ -108,5 +108,23 @@ describe('Frequent Items utils spec', () => {
 
       expect(sanitizeItem(input)).toEqual({ name: 'test', namespace: 'test', id: 1 });
     });
+
+    it("skips `name` key if it doesn't exist on the item", () => {
+      const input = {
+        namespace: '<br>test',
+        id: 1,
+      };
+
+      expect(sanitizeItem(input)).toEqual({ namespace: 'test', id: 1 });
+    });
+
+    it("skips `namespace` key if it doesn't exist on the item", () => {
+      const input = {
+        name: '<br><b>test</b>',
+        id: 1,
+      };
+
+      expect(sanitizeItem(input)).toEqual({ name: 'test', id: 1 });
+    });
   });
 });

spec/lib/banzai/filter/label_reference_filter_spec.rb

@@ -523,7 +523,12 @@ describe Banzai::Filter::LabelReferenceFilter do
     end
 
     context 'when group name has HTML entities' do
-      let(:another_group) { create(:group, name: '<img src=x onerror=alert(1)>', path: 'another_group') }
+      let(:another_group) { create(:group, name: 'random', path: 'another_group') }
+
+      before do
+        another_group.name = "<img src=x onerror=alert(1)>"
+        another_group.save!(validate: false)
+      end
 
       it 'escapes the HTML entities' do
         expect(result.text)

spec/lib/banzai/filter/reference_redactor_filter_spec.rb

@@ -20,8 +20,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
   it 'skips when the skip_redaction flag is set' do
     user = create(:user)
     project = create(:project)
-
     link = reference_link(project: project.id, reference_type: 'test')
+
     doc = filter(link, current_user: user, skip_redaction: true)
 
     expect(doc.css('a').length).to eq 1
@@ -51,8 +51,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         user = create(:user)
         project = create(:project)
         project.add_maintainer(user)
-
         link = reference_link(project: project.id, reference_type: 'test')
+
         doc = filter(link, current_user: user)
 
         expect(doc.css('a').length).to eq 1
@@ -69,8 +69,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
       it 'removes unpermitted references' do
         user = create(:user)
         project = create(:project)
-
         link = reference_link(project: project.id, reference_type: 'test')
+
         doc = filter(link, current_user: user)
 
         expect(doc.css('a').length).to eq 0
@@ -90,8 +90,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         non_member = create(:user)
         project = create(:project, :public)
         issue = create(:issue, :confidential, project: project)
-
         link = reference_link(project: project.id, issue: issue.id, reference_type: 'issue')
+
         doc = filter(link, current_user: non_member)
 
         expect(doc.css('a').length).to eq 0
@@ -124,8 +124,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         assignee = create(:user)
         project = create(:project, :public)
         issue = create(:issue, :confidential, project: project, assignees: [assignee])
-
         link = reference_link(project: project.id, issue: issue.id, reference_type: 'issue')
+
         doc = filter(link, current_user: assignee)
 
         expect(doc.css('a').length).to eq 1
@@ -136,8 +136,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         project = create(:project, :public)
         project.add_developer(member)
         issue = create(:issue, :confidential, project: project)
-
         link = reference_link(project: project.id, issue: issue.id, reference_type: 'issue')
+
         doc = filter(link, current_user: member)
 
         expect(doc.css('a').length).to eq 1
@@ -147,20 +147,62 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         admin = create(:admin)
         project = create(:project, :public)
         issue = create(:issue, :confidential, project: project)
-
         link = reference_link(project: project.id, issue: issue.id, reference_type: 'issue')
+
         doc = filter(link, current_user: admin)
 
         expect(doc.css('a').length).to eq 1
       end
+
+      context "when a confidential issue is moved from a public project to a private one" do
+        let(:public_project) { create(:project, :public) }
+        let(:private_project) { create(:project, :private) }
+
+        it 'removes references for author' do
+          author = create(:user)
+          issue = create(:issue, :confidential, project: public_project, author: author)
+          issue.update!(project: private_project) # move issue to private project
+          link = reference_link(project: private_project.id, issue: issue.id, reference_type: 'issue')
+
+          doc = filter(link, current_user: author)
+
+          expect(doc.css('a').length).to eq 0
+        end
+
+        it 'removes references for assignee' do
+          assignee = create(:user)
+          issue = create(:issue, :confidential, project: public_project, assignees: [assignee])
+          issue.update!(project: private_project) # move issue to private project
+          link = reference_link(project: private_project.id, issue: issue.id, reference_type: 'issue')
+
+          doc = filter(link, current_user: assignee)
+
+          expect(doc.css('a').length).to eq 0
+        end
+
+        it 'allows references for project members' do
+          member = create(:user)
+          project = create(:project, :public)
+          project_2 = create(:project, :private)
+          project.add_developer(member)
+          project_2.add_developer(member)
+          issue = create(:issue, :confidential, project: project)
+          issue.update!(project: project_2) # move issue to private project
+          link = reference_link(project: project_2.id, issue: issue.id, reference_type: 'issue')
+
+          doc = filter(link, current_user: member)
+
+          expect(doc.css('a').length).to eq 1
+        end
+      end
     end
 
     it 'allows references for non confidential issues' do
       user = create(:user)
       project = create(:project, :public)
       issue = create(:issue, project: project)
-
       link = reference_link(project: project.id, issue: issue.id, reference_type: 'issue')
+
       doc = filter(link, current_user: user)
 
       expect(doc.css('a').length).to eq 1
@@ -172,8 +214,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
       it 'removes unpermitted Group references' do
         user = create(:user)
         group = create(:group, :private)
-
         link = reference_link(group: group.id, reference_type: 'user')
+
         doc = filter(link, current_user: user)
 
         expect(doc.css('a').length).to eq 0
@@ -183,8 +225,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
         user = create(:user)
         group = create(:group, :private)
         group.add_developer(user)
-
         link = reference_link(group: group.id, reference_type: 'user')
+
         doc = filter(link, current_user: user)
 
         expect(doc.css('a').length).to eq 1
@@ -200,8 +242,8 @@ describe Banzai::Filter::ReferenceRedactorFilter do
     context 'with data-user' do
       it 'allows any User reference' do
         user = create(:user)
-
         link = reference_link(user: user.id, reference_type: 'user')
+
         doc = filter(link)
 
         expect(doc.css('a').length).to eq 1

spec/lib/gitlab/auth_spec.rb

@@ -165,6 +165,12 @@ describe Gitlab::Auth, :use_clean_rails_memory_store_caching do
 
           expect(subject).to eq(Gitlab::Auth::Result.new(build.user, build.project, :build, described_class.build_authentication_abilities))
         end
+
+        it 'fails with blocked user token' do
+          build.update(user: create(:user, :blocked))
+
+          expect(subject).to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
+        end
       end
 
       (HasStatus::AVAILABLE_STATUSES - ['running']).each do |build_status|
@@ -260,6 +266,15 @@ describe Gitlab::Auth, :use_clean_rails_memory_store_caching do
 
         gl_auth.find_for_git_client("oauth2", token_w_api_scope.token, project: nil, ip: 'ip')
       end
+
+      context 'blocked user' do
+        let(:user) { create(:user, :blocked) }
+
+        it 'fails' do
+          expect(gl_auth.find_for_git_client("oauth2", token_w_api_scope.token, project: nil, ip: 'ip'))
+            .to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
+        end
+      end
     end
 
     context 'while using personal access tokens as passwords' do
@@ -308,9 +323,35 @@ describe Gitlab::Auth, :use_clean_rails_memory_store_caching do
       it 'fails if password is nil' do
         expect_results_with_abilities(nil, nil, false)
       end
+
+      context 'when user is blocked' do
+        let(:user) { create(:user, :blocked) }
+        let(:personal_access_token) { create(:personal_access_token, scopes: ['read_registry'], user: user) }
+
+        before do
+          stub_container_registry_config(enabled: true)
+        end
+
+        it 'fails if user is blocked' do
+          expect(gl_auth.find_for_git_client('', personal_access_token.token, project: nil, ip: 'ip'))
+          .to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
+        end
+      end
     end
 
     context 'while using regular user and password' do
+      it 'fails for a blocked user' do
+        user = create(
+          :user,
+          :blocked,
+          username: 'normal_user',
+          password: 'my-secret'
+        )
+
+        expect(gl_auth.find_for_git_client(user.username, user.password, project: nil, ip: 'ip'))
+          .to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
+      end
+
       it 'goes through lfs authentication' do
         user = create(
           :user,

spec/lib/gitlab/gfm/uploads_rewriter_spec.rb

@@ -68,6 +68,16 @@ describe Gitlab::Gfm::UploadsRewriter do
       expect(moved_text.scan(/\A\[.*?\]/).count).to eq(1)
     end
 
+    context 'path traversal in file name' do
+      let(:text) do
+        "![a](/uploads/11111111111111111111111111111111/../../../../../../../../../../../../../../etc/passwd)"
+      end
+
+      it 'throw an error' do
+        expect { rewriter.rewrite(new_project) }.to raise_error(an_instance_of(StandardError).and having_attributes(message: "Invalid path"))
+      end
+    end
+
     context "file are stored locally" do
       include_examples "files are accessible"
     end

spec/lib/gitlab/hotlinking_detector_spec.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Gitlab::HotlinkingDetector do
+  describe ".intercept_hotlinking?" do
+    using RSpec::Parameterized::TableSyntax
+
+    subject { described_class.intercept_hotlinking?(request) }
+
+    let(:request) { double("request", headers: headers) }
+    let(:headers) { {} }
+
+    context "hotlinked as media" do
+      where(:return_value, :accept_header) do
+        # These are default formats in modern browsers, and IE
+        false | "*/*"
+        false | "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
+        false | "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
+        false | "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
+        false | "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"
+        false | "image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/x-shockwave-flash, application/msword, */*"
+        false | "text/html, application/xhtml+xml, image/jxr, */*"
+        false | "text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/webp, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1"
+
+        # These are image request formats
+        true | "image/webp,*/*"
+        true | "image/png,image/*;q=0.8,*/*;q=0.5"
+        true | "image/webp,image/apng,image/*,*/*;q=0.8"
+        true | "image/png,image/svg+xml,image/*;q=0.8, */*;q=0.5"
+
+        # Video request formats
+        true | "video/webm,video/ogg,video/*;q=0.9,application/ogg;q=0.7,audio/*;q=0.6,*/*;q=0.5"
+
+        # Audio request formats
+        true | "audio/webm,audio/ogg,audio/wav,audio/*;q=0.9,application/ogg;q=0.7,video/*;q=0.6,*/*;q=0.5"
+
+        # CSS request formats
+        true | "text/css,*/*;q=0.1"
+        true | "text/css"
+        true | "text/css,*/*;q=0.1"
+      end
+
+      with_them do
+        let(:headers) do
+          { "Accept" => accept_header }
+        end
+
+        it { is_expected.to be(return_value) }
+      end
+    end
+
+    context "hotlinked as a script" do
+      where(:return_value, :fetch_mode) do
+        # Standard navigation fetch modes
+        false | "navigate"
+        false | "nested-navigate"
+        false | "same-origin"
+
+        # Fetch modes when linking as JS
+        true | "cors"
+        true | "no-cors"
+        true | "websocket"
+      end
+
+      with_them do
+        let(:headers) do
+          { "Sec-Fetch-Mode" => fetch_mode }
+        end
+
+        it { is_expected.to be(return_value) }
+      end
+    end
+  end
+end

spec/lib/gitlab/import_export/attribute_cleaner_spec.rb

@@ -32,6 +32,9 @@ describe Gitlab::ImportExport::AttributeCleaner do
       'issue_ids' => [1, 2, 3],
       'merge_request_ids' => [1, 2, 3],
       'note_ids' => [1, 2, 3],
+      'remote_attachment_url' => 'http://something.dodgy',
+      'remote_attachment_request_header' => 'bad value',
+      'remote_attachment_urls' => %w(http://something.dodgy http://something.okay),
       'attributes' => {
         'issue_ids' => [1, 2, 3],
         'merge_request_ids' => [1, 2, 3],

spec/lib/gitlab/middleware/multipart_spec.rb

@@ -5,9 +5,7 @@ require 'spec_helper'
 require 'tempfile'
 
 describe Gitlab::Middleware::Multipart do
-  let(:app) { double(:app) }
+  include_context 'multipart middleware context'
-  let(:middleware) { described_class.new(app) }
-  let(:original_filename) { 'filename' }
 
   shared_examples_for 'multipart upload files' do
     it 'opens top-level files' do
@@ -82,16 +80,7 @@ describe Gitlab::Middleware::Multipart do
   end
 
   it 'allows files in uploads/tmp directory' do
-    Dir.mktmpdir do |dir|
+    with_tmp_dir('public/uploads/tmp') do |dir, env|
-      uploads_dir = File.join(dir, 'public/uploads/tmp')
-      FileUtils.mkdir_p(uploads_dir)
-
-      allow(Rails).to receive(:root).and_return(dir)
-      allow(Dir).to receive(:tmpdir).and_return(File.join(Dir.tmpdir, 'tmpsubdir'))
-
-      Tempfile.open('top-level', uploads_dir) do |tempfile|
-        env = post_env({ 'file' => tempfile.path }, { 'file.name' => original_filename, 'file.path' => tempfile.path }, Gitlab::Workhorse.secret, 'gitlab-workhorse')
-
       expect(app).to receive(:call) do |env|
         expect(get_params(env)['file']).to be_a(::UploadedFile)
       end
@@ -99,7 +88,6 @@ describe Gitlab::Middleware::Multipart do
       middleware.call(env)
     end
   end
-  end
 
   it 'allows symlinks for uploads dir' do
     Tempfile.open('two-levels') do |tempfile|
@@ -127,22 +115,4 @@ describe Gitlab::Middleware::Multipart do
       middleware.call(env)
     end
   end
-
-  # Rails 5 doesn't combine the GET/POST parameters in
-  # ActionDispatch::HTTP::Parameters if action_dispatch.request.parameters is set:
-  # https://github.com/rails/rails/blob/aea6423f013ca48f7704c70deadf2cd6ac7d70a1/actionpack/lib/action_dispatch/http/parameters.rb#L41
-  def get_params(env)
-    req = ActionDispatch::Request.new(env)
-    req.GET.merge(req.POST)
-  end
-
-  def post_env(rewritten_fields, params, secret, issuer)
-    token = JWT.encode({ 'iss' => issuer, 'rewritten_fields' => rewritten_fields }, secret, 'HS256')
-    Rack::MockRequest.env_for(
-      '/',
-      method: 'post',
-      params: params,
-      described_class::RACK_ENV_KEY => token
-    )
-  end
 end

spec/lib/gitlab/regex_spec.rb

@@ -3,9 +3,7 @@
 require 'spec_helper'
 
 describe Gitlab::Regex do
-  describe '.project_name_regex' do
+  shared_examples_for 'project/group name regex' do
-    subject { described_class.project_name_regex }
-
     it { is_expected.to match('gitlab-ce') }
     it { is_expected.to match('GitLab CE') }
     it { is_expected.to match('100 lines') }
@@ -15,6 +13,34 @@ describe Gitlab::Regex do
     it { is_expected.not_to match('?gitlab') }
   end
 
+  shared_examples_for 'project/group name error message' do
+    it { is_expected.to eq("can contain only letters, digits, emojis, '_', '.', dash, space. It must start with letter, digit, emoji or '_'.") }
+  end
+
+  describe '.project_name_regex' do
+    subject { described_class.project_name_regex }
+
+    it_behaves_like 'project/group name regex'
+  end
+
+  describe '.group_name_regex' do
+    subject { described_class.group_name_regex }
+
+    it_behaves_like 'project/group name regex'
+  end
+
+  describe '.project_name_regex_message' do
+    subject { described_class.project_name_regex_message }
+
+    it_behaves_like 'project/group name error message'
+  end
+
+  describe '.group_name_regex_message' do
+    subject { described_class.group_name_regex_message }
+
+    it_behaves_like 'project/group name error message'
+  end
+
   describe '.environment_name_regex' do
     subject { described_class.environment_name_regex }
 

spec/lib/gitlab/x509/commit_spec.rb

@@ -204,5 +204,38 @@ describe Gitlab::X509::Commit do
         expect(described_class.new(commit).signature).to be_nil
       end
     end
+
+    context 'certificate_crl' do
+      let!(:commit) { create :commit, project: project, sha: commit_sha, created_at: Time.utc(2019, 1, 1, 20, 15, 0), committer_email: X509Helpers::User1.emails.first }
+      let(:signed_commit) { described_class.new(commit) }
+
+      describe 'valid crlDistributionPoints' do
+        before do
+          allow(signed_commit).to receive(:get_certificate_extension).and_call_original
+
+          allow(signed_commit).to receive(:get_certificate_extension)
+            .with('crlDistributionPoints')
+            .and_return("\nFull Name:\n  URI:http://ch.siemens.com/pki?ZZZZZZA2.crl\n  URI:ldap://cl.siemens.net/CN=ZZZZZZA2,L=PKI?certificateRevocationList\n  URI:ldap://cl.siemens.com/CN=ZZZZZZA2,o=Trustcenter?certificateRevocationList\n")
+        end
+
+        it 'returns an unverified signature' do
+          expect(signed_commit.signature.x509_certificate.x509_issuer).to have_attributes(user1_issuer_attributes)
+        end
+      end
+
+      describe 'valid crlDistributionPoints providing multiple http URIs' do
+        before do
+          allow(signed_commit).to receive(:get_certificate_extension).and_call_original
+
+          allow(signed_commit).to receive(:get_certificate_extension)
+            .with('crlDistributionPoints')
+            .and_return("\nFull Name:\n  URI:http://cdp1.pca.dfn.de/dfn-ca-global-g2/pub/crl/cacrl.crl\n\nFull Name:\n  URI:http://cdp2.pca.dfn.de/dfn-ca-global-g2/pub/crl/cacrl.crl\n")
+        end
+
+        it 'extracts the first URI' do
+          expect(signed_commit.signature.x509_certificate.x509_issuer.crl_url).to eq("http://cdp1.pca.dfn.de/dfn-ca-global-g2/pub/crl/cacrl.crl")
+        end
+      end
+    end
   end
 end

spec/lib/uploaded_file_spec.rb

@@ -59,6 +59,16 @@ describe UploadedFile do
           expect(subject.sha256).to eq('sha256')
           expect(subject.remote_id).to eq('remote_id')
         end
+
+        it 'handles a blank path' do
+          params['file.path'] = ''
+
+          # Not a real file, so can't determine size itself
+          params['file.size'] = 1.byte
+
+          expect { described_class.from_params(params, :file, upload_path) }
+            .not_to raise_error
+        end
       end
     end
 

spec/models/group_spec.rb

@@ -48,6 +48,9 @@ describe Group do
 
   describe 'validations' do
     it { is_expected.to validate_presence_of :name }
+    it { is_expected.to allow_value('group test_4').for(:name) }
+    it { is_expected.not_to allow_value('test/../foo').for(:name) }
+    it { is_expected.not_to allow_value('<script>alert("Attack!")</script>').for(:name) }
     it { is_expected.to validate_presence_of :path }
     it { is_expected.not_to validate_presence_of :owner }
     it { is_expected.to validate_presence_of :two_factor_grace_period }

spec/models/issue_spec.rb

@@ -536,88 +536,146 @@ describe Issue do
   end
 
   describe '#visible_to_user?' do
+    let(:project) { build(:project) }
+    let(:issue)   { build(:issue, project: project) }
+    let(:user)    { create(:user) }
+
+    subject { issue.visible_to_user?(user) }
+
+    context 'with a project' do
+      it 'returns false when feature is disabled' do
+        project.project_feature.update_attribute(:issues_access_level, ProjectFeature::DISABLED)
+
+        is_expected.to eq(false)
+      end
+
+      it 'returns false when restricted for members' do
+        project.project_feature.update_attribute(:issues_access_level, ProjectFeature::PRIVATE)
+
+        is_expected.to eq(false)
+      end
+    end
+
     context 'without a user' do
-      let(:issue) { build(:issue) }
+      let(:user) { nil }
 
       it 'returns true when the issue is publicly visible' do
         expect(issue).to receive(:publicly_visible?).and_return(true)
 
-        expect(issue.visible_to_user?).to eq(true)
+        is_expected.to eq(true)
       end
 
       it 'returns false when the issue is not publicly visible' do
         expect(issue).to receive(:publicly_visible?).and_return(false)
 
-        expect(issue.visible_to_user?).to eq(false)
+        is_expected.to eq(false)
       end
     end
 
     context 'with a user' do
-      let(:user) { create(:user) }
+      shared_examples 'issue readable by user' do
-      let(:issue) { build(:issue) }
+        it { is_expected.to eq(true) }
-
-      it 'returns true when the issue is readable' do
-        expect(issue).to receive(:readable_by?).with(user).and_return(true)
-
-        expect(issue.visible_to_user?(user)).to eq(true)
       end
 
-      it 'returns false when the issue is not readable' do
+      shared_examples 'issue not readable by user' do
-        expect(issue).to receive(:readable_by?).with(user).and_return(false)
+        it { is_expected.to eq(false) }
-
-        expect(issue.visible_to_user?(user)).to eq(false)
       end
 
-      it 'returns false when feature is disabled' do
+      shared_examples 'confidential issue readable by user' do
-        expect(issue).not_to receive(:readable_by?)
+        specify do
+          issue.confidential = true
 
-        issue.project.project_feature.update_attribute(:issues_access_level, ProjectFeature::DISABLED)
+          is_expected.to eq(true)
-
-        expect(issue.visible_to_user?(user)).to eq(false)
-      end
-
-      it 'returns false when restricted for members' do
-        expect(issue).not_to receive(:readable_by?)
-
-        issue.project.project_feature.update_attribute(:issues_access_level, ProjectFeature::PRIVATE)
-
-        expect(issue.visible_to_user?(user)).to eq(false)
         end
       end
 
-    describe 'with a regular user that is not a team member' do
+      shared_examples 'confidential issue not readable by user' do
-      let(:user) { create(:user) }
+        specify do
+          issue.confidential = true
 
+          is_expected.to eq(false)
+        end
+      end
+
+      context 'with an admin user' do
+        let(:user) { build(:admin) }
+
+        it_behaves_like 'issue readable by user'
+        it_behaves_like 'confidential issue readable by user'
+      end
+
+      context 'with an owner' do
+        before do
+          project.add_maintainer(user)
+        end
+
+        it_behaves_like 'issue readable by user'
+        it_behaves_like 'confidential issue readable by user'
+      end
+
+      context 'with a reporter user' do
+        before do
+          project.add_reporter(user)
+        end
+
+        it_behaves_like 'issue readable by user'
+        it_behaves_like 'confidential issue readable by user'
+      end
+
+      context 'with a guest user' do
+        before do
+          project.add_guest(user)
+        end
+
+        it_behaves_like 'issue readable by user'
+        it_behaves_like 'confidential issue not readable by user'
+
+        context 'when user is an assignee' do
+          before do
+            issue.update!(assignees: [user])
+          end
+
+          it_behaves_like 'issue readable by user'
+          it_behaves_like 'confidential issue readable by user'
+        end
+
+        context 'when user is the author' do
+          before do
+            issue.update!(author: user)
+          end
+
+          it_behaves_like 'issue readable by user'
+          it_behaves_like 'confidential issue readable by user'
+        end
+      end
+
+      context 'with a user that is not a member' do
         context 'using a public project' do
-        let(:project) { create(:project, :public) }
+          let(:project) { build(:project, :public) }
 
-        it 'returns true for a regular issue' do
+          it_behaves_like 'issue readable by user'
-          issue = build(:issue, project: project)
+          it_behaves_like 'confidential issue not readable by user'
-
-          expect(issue.visible_to_user?(user)).to eq(true)
-        end
-
-        it 'returns false for a confidential issue' do
-          issue = build(:issue, project: project, confidential: true)
-
-          expect(issue.visible_to_user?(user)).to eq(false)
-        end
         end
 
         context 'using an internal project' do
-        let(:project) { create(:project, :internal) }
+          let(:project) { build(:project, :internal) }
 
           context 'using an internal user' do
-          it 'returns true for a regular issue' do
+            before do
-            issue = build(:issue, project: project)
+              allow(user).to receive(:external?).and_return(false)
-
-            expect(issue.visible_to_user?(user)).to eq(true)
             end
 
-          it 'returns false for a confidential issue' do
+            it_behaves_like 'issue readable by user'
-            issue = build(:issue, :confidential, project: project)
+            it_behaves_like 'confidential issue not readable by user'
+          end
 
-            expect(issue.visible_to_user?(user)).to eq(false)
+          context 'using an external user' do
+            before do
+              allow(user).to receive(:external?).and_return(true)
+            end
+
+            it_behaves_like 'issue not readable by user'
+            it_behaves_like 'confidential issue not readable by user'
           end
         end
 
@@ -626,132 +684,110 @@ describe Issue do
             allow(user).to receive(:external?).and_return(true)
           end
 
-          it 'returns false for a regular issue' do
+          it_behaves_like 'issue not readable by user'
-            issue = build(:issue, project: project)
+          it_behaves_like 'confidential issue not readable by user'
-
-            expect(issue.visible_to_user?(user)).to eq(false)
-          end
-
-          it 'returns false for a confidential issue' do
-            issue = build(:issue, :confidential, project: project)
-
-            expect(issue.visible_to_user?(user)).to eq(false)
-          end
         end
       end
 
-      context 'using a private project' do
+      context 'with an external authentication service' do
-        let(:project) { create(:project, :private) }
-
-        it 'returns false for a regular issue' do
-          issue = build(:issue, project: project)
-
-          expect(issue.visible_to_user?(user)).to eq(false)
-        end
-
-        it 'returns false for a confidential issue' do
-          issue = build(:issue, :confidential, project: project)
-
-          expect(issue.visible_to_user?(user)).to eq(false)
-        end
-
-        context 'when the user is the project owner' do
         before do
-            project.add_maintainer(user)
+          enable_external_authorization_service_check
         end
 
-          it 'returns true for a regular issue' do
+        it 'is `false` when an external authorization service is enabled' do
+          issue = build(:issue, project: build(:project, :public))
+
+          expect(issue).not_to be_visible_to_user
+        end
+
+        it 'checks the external service to determine if an issue is readable by a user' do
+          project = build(:project, :public,
+                          external_authorization_classification_label: 'a-label')
           issue = build(:issue, project: project)
+          user = build(:user)
 
-            expect(issue.visible_to_user?(user)).to eq(true)
+          expect(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label') { false }
+          expect(issue.visible_to_user?(user)).to be_falsy
         end
 
-          it 'returns true for a confidential issue' do
+        it 'does not check the external service if a user does not have access to the project' do
-            issue = build(:issue, :confidential, project: project)
+          project = build(:project, :private,
-
+                          external_authorization_classification_label: 'a-label')
-            expect(issue.visible_to_user?(user)).to eq(true)
-          end
-        end
-      end
-    end
-
-    context 'with a regular user that is a team member' do
-      let(:user) { create(:user) }
-      let(:project) { create(:project, :public) }
-
-      context 'using a public project' do
-        before do
-          project.add_developer(user)
-        end
-
-        it 'returns true for a regular issue' do
           issue = build(:issue, project: project)
+          user = build(:user)
 
-          expect(issue.visible_to_user?(user)).to eq(true)
+          expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)
+          expect(issue.visible_to_user?(user)).to be_falsy
         end
 
-        it 'returns true for a confidential issue' do
+        it 'does not check the external webservice for admins' do
-          issue = build(:issue, :confidential, project: project)
+          issue = build(:issue)
+          user = build(:admin)
 
-          expect(issue.visible_to_user?(user)).to eq(true)
+          expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)
+
+          issue.visible_to_user?(user)
         end
       end
 
-      context 'using an internal project' do
+      context 'when issue is moved to a private project' do
-        let(:project) { create(:project, :internal) }
+        let(:private_project) { build(:project, :private)}
 
         before do
-          project.add_developer(user)
+          issue.update(project: private_project) # move issue to private project
         end
 
-        it 'returns true for a regular issue' do
+        shared_examples 'issue visible if user has guest access' do
-          issue = build(:issue, project: project)
+          context 'when user is not a member' do
-
+            it_behaves_like 'issue not readable by user'
-          expect(issue.visible_to_user?(user)).to eq(true)
+            it_behaves_like 'confidential issue not readable by user'
           end
 
-        it 'returns true for a confidential issue' do
+          context 'when user is a guest' do
-          issue = build(:issue, :confidential, project: project)
-
-          expect(issue.visible_to_user?(user)).to eq(true)
-        end
-      end
-
-      context 'using a private project' do
-        let(:project) { create(:project, :private) }
-
             before do
-          project.add_developer(user)
+              private_project.add_guest(user)
             end
 
-        it 'returns true for a regular issue' do
+            it_behaves_like 'issue readable by user'
-          issue = build(:issue, project: project)
+            it_behaves_like 'confidential issue readable by user'
-
-          expect(issue.visible_to_user?(user)).to eq(true)
-        end
-
-        it 'returns true for a confidential issue' do
-          issue = build(:issue, :confidential, project: project)
-
-          expect(issue.visible_to_user?(user)).to eq(true)
           end
         end
+
+        context 'when user is the author of the original issue' do
+          before do
+            issue.update!(author: user)
           end
 
-    context 'with an admin user' do
+          it_behaves_like 'issue visible if user has guest access'
-      let(:project) { create(:project) }
-      let(:user) { create(:admin) }
-
-      it 'returns true for a regular issue' do
-        issue = build(:issue, project: project)
-
-        expect(issue.visible_to_user?(user)).to eq(true)
         end
 
-      it 'returns true for a confidential issue' do
+        context 'when user is an assignee in the original issue' do
-        issue = build(:issue, :confidential, project: project)
+          before do
+            issue.update!(assignees: [user])
+          end
 
-        expect(issue.visible_to_user?(user)).to eq(true)
+          it_behaves_like 'issue visible if user has guest access'
+        end
+
+        context 'when user is not the author or an assignee in original issue' do
+          context 'when user is a guest' do
+            before do
+              private_project.add_guest(user)
+            end
+
+            it_behaves_like 'issue readable by user'
+            it_behaves_like 'confidential issue not readable by user'
+          end
+
+          context 'when user is a reporter' do
+            before do
+              private_project.add_reporter(user)
+            end
+
+            it_behaves_like 'issue readable by user'
+            it_behaves_like 'confidential issue readable by user'
+          end
+        end
       end
     end
   end
@@ -875,49 +911,6 @@ describe Issue do
     subject { create(:issue, updated_at: 1.hour.ago) }
   end
 
-  context 'when an external authentication service' do
-    before do
-      enable_external_authorization_service_check
-    end
-
-    describe '#visible_to_user?' do
-      it 'is `false` when an external authorization service is enabled' do
-        issue = build(:issue, project: build(:project, :public))
-
-        expect(issue).not_to be_visible_to_user
-      end
-
-      it 'checks the external service to determine if an issue is readable by a user' do
-        project = build(:project, :public,
-                        external_authorization_classification_label: 'a-label')
-        issue = build(:issue, project: project)
-        user = build(:user)
-
-        expect(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label') { false }
-        expect(issue.visible_to_user?(user)).to be_falsy
-      end
-
-      it 'does not check the external service if a user does not have access to the project' do
-        project = build(:project, :private,
-                        external_authorization_classification_label: 'a-label')
-        issue = build(:issue, project: project)
-        user = build(:user)
-
-        expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)
-        expect(issue.visible_to_user?(user)).to be_falsy
-      end
-
-      it 'does not check the external webservice for admins' do
-        issue = build(:issue)
-        user = build(:admin)
-
-        expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)
-
-        issue.visible_to_user?(user)
-      end
-    end
-  end
-
   describe "#labels_hook_attrs" do
     let(:label) { create(:label) }
     let(:issue) { create(:labeled_issue, labels: [label]) }

spec/models/pages_domain_spec.rb

@@ -96,8 +96,8 @@ describe PagesDomain do
     it 'saves validity time' do
       domain.save
 
-      expect(domain.certificate_valid_not_before).to be_like_time(Time.parse("2016-02-12 14:32:00 UTC"))
+      expect(domain.certificate_valid_not_before).to be_like_time(Time.parse("2020-03-16 14:20:34 UTC"))
-      expect(domain.certificate_valid_not_after).to be_like_time(Time.parse("2020-04-12 14:32:00 UTC"))
+      expect(domain.certificate_valid_not_after).to be_like_time(Time.parse("2220-01-28 14:20:34 UTC"))
     end
   end
 

spec/policies/issue_policy_spec.rb

@@ -103,12 +103,24 @@ describe IssuePolicy do
         expect(permissions(author, confidential_issue_no_assignee)).to be_disallowed(:read_issue, :read_issue_iid, :update_issue, :admin_issue)
       end
 
+      it 'does not allow issue author to read or update confidential issue moved to an private project' do
+        confidential_issue.project = build(:project, :private)
+
+        expect(permissions(author, confidential_issue)).to be_disallowed(:read_issue, :read_issue_iid, :update_issue)
+      end
+
       it 'allows issue assignees to read and update their confidential issues' do
         expect(permissions(assignee, confidential_issue)).to be_allowed(:read_issue, :read_issue_iid, :update_issue)
         expect(permissions(assignee, confidential_issue)).to be_disallowed(:admin_issue)
 
         expect(permissions(assignee, confidential_issue_no_assignee)).to be_disallowed(:read_issue, :read_issue_iid, :update_issue, :admin_issue)
       end
+
+      it 'does not allow issue assignees to read or update confidential issue moved to an private project' do
+        confidential_issue.project = build(:project, :private)
+
+        expect(permissions(assignee, confidential_issue)).to be_disallowed(:read_issue, :read_issue_iid, :update_issue)
+      end
     end
   end
 

spec/requests/api/groups_spec.rb

@@ -568,6 +568,20 @@ describe API::Groups do
         expect(json_response['shared_projects'].length).to eq(0)
       end
 
+      context 'malicious group name' do
+        subject { put api("/groups/#{group1.id}", user1), params: { name: "<SCRIPT>alert('DOUBLE-ATTACK!')</SCRIPT>" } }
+
+        it 'returns bad request' do
+          subject
+
+          expect(response).to have_gitlab_http_status(:bad_request)
+        end
+
+        it 'does not update group name' do
+          expect { subject }.not_to change { group1.reload.name }
+        end
+      end
+
       it 'returns 404 for a non existing group' do
         put api('/groups/1328', user1), params: { name: new_group_name }
 
@@ -999,6 +1013,20 @@ describe API::Groups do
         expect(json_response["parent_id"]).to eq(parent.id)
       end
 
+      context 'malicious group name' do
+        subject { post api("/groups", user3), params: group_params }
+
+        let(:group_params) { attributes_for_group_api name: "<SCRIPT>alert('ATTACKED!')</SCRIPT>", path: "unique-url" }
+
+        it 'returns bad request' do
+          subject
+
+          expect(response).to have_gitlab_http_status(:bad_request)
+        end
+
+        it { expect { subject }.not_to change { Group.count } }
+      end
+
       it "does not create group, duplicate" do
         post api("/groups", user3), params: { name: 'Duplicate Test', path: group2.path }
 

spec/requests/api/project_snippets_spec.rb

@@ -98,6 +98,30 @@ describe API::ProjectSnippets do
       }
     end
 
+    context 'with an external user' do
+      let(:user) { create(:user, :external) }
+
+      context 'that belongs to the project' do
+        before do
+          project.add_developer(user)
+        end
+
+        it 'creates a new snippet' do
+          post api("/projects/#{project.id}/snippets/", user), params: params
+
+          expect(response).to have_gitlab_http_status(201)
+        end
+      end
+
+      context 'that does not belong to the project' do
+        it 'does not create a new snippet' do
+          post api("/projects/#{project.id}/snippets/", user), params: params
+
+          expect(response).to have_gitlab_http_status(403)
+        end
+      end
+    end
+
     context 'with a regular user' do
       let(:user) { create(:user) }
 

spec/requests/api/repositories_spec.rb

@@ -263,6 +263,18 @@ describe API::Repositories do
           let(:message) { '404 File Not Found' }
         end
       end
+
+      context "when hotlinking detection is enabled" do
+        before do
+          Feature.enable(:repository_archive_hotlinking_interception)
+        end
+
+        it_behaves_like "hotlink interceptor" do
+          let(:http_request) do
+            get api(route, current_user), headers: headers
+          end
+        end
+      end
     end
 
     context 'when unauthenticated', 'and project is public' do

spec/requests/api/snippets_spec.rb

@@ -224,6 +224,16 @@ describe API::Snippets do
 
     it_behaves_like 'snippet creation'
 
+    context 'with an external user' do
+      let(:user) { create(:user, :external) }
+
+      it 'does not create a new snippet' do
+        post api("/snippets/", user), params: params
+
+        expect(response).to have_gitlab_http_status(403)
+      end
+    end
+
     it 'returns 400 for missing parameters' do
       params.delete(:title)
 

spec/requests/api/triggers_spec.rb

@@ -238,24 +238,44 @@ describe API::Triggers do
   end
 
   describe 'PUT /projects/:id/triggers/:trigger_id' do
-    context 'authenticated user with valid permissions' do
+    context 'user is maintainer of the project' do
+      context 'the trigger belongs to user' do
         let(:new_description) { 'new description' }
 
         it 'updates description' do
           put api("/projects/#{project.id}/triggers/#{trigger.id}", user),
             params: { description: new_description }
 
-        expect(response).to have_gitlab_http_status(200)
+          expect(response).to have_gitlab_http_status(:ok)
           expect(json_response).to include('description' => new_description)
           expect(trigger.reload.description).to eq(new_description)
         end
       end
 
-    context 'authenticated user with invalid permissions' do
+      context 'the trigger does not belong to user' do
+        it 'does not update trigger' do
+          put api("/projects/#{project.id}/triggers/#{trigger2.id}", user)
+
+          expect(response).to have_gitlab_http_status(:forbidden)
+        end
+      end
+    end
+
+    context 'user is developer of the project' do
+      context 'the trigger belongs to user' do
+        it 'does not update trigger' do
+          put api("/projects/#{project.id}/triggers/#{trigger2.id}", user2)
+
+          expect(response).to have_gitlab_http_status(:forbidden)
+        end
+      end
+
+      context 'the trigger does not belong to user' do
         it 'does not update trigger' do
           put api("/projects/#{project.id}/triggers/#{trigger.id}", user2)
 
-        expect(response).to have_gitlab_http_status(403)
+          expect(response).to have_gitlab_http_status(:forbidden)
+        end
       end
     end
 

spec/requests/jwt_controller_spec.rb

@@ -25,6 +25,17 @@ describe JwtController do
   end
 
   context 'when using authenticated request' do
+    shared_examples 'rejecting a blocked user' do
+      context 'with blocked user' do
+        let(:user) { create(:user, :blocked) }
+
+        it 'rejects the request as unauthorized' do
+          expect(response).to have_gitlab_http_status(:unauthorized)
+          expect(response.body).to include('HTTP Basic: Access denied')
+        end
+      end
+    end
+
     context 'using CI token' do
       let(:build) { create(:ci_build, :running) }
       let(:project) { build.project }
@@ -61,6 +72,8 @@ describe JwtController do
           expect(response).to have_gitlab_http_status(:ok)
           expect(service_class).to have_received(:new).with(nil, user, ActionController::Parameters.new(parameters).permit!)
         end
+
+        it_behaves_like 'rejecting a blocked user'
       end
     end
 
@@ -72,6 +85,8 @@ describe JwtController do
 
       it { expect(service_class).to have_received(:new).with(nil, user, ActionController::Parameters.new(parameters).permit!) }
 
+      it_behaves_like 'rejecting a blocked user'
+
       context 'when passing a flat array of scopes' do
         # We use this trick to make rails to generate a query_string:
         # scope=scope1&scope=scope2

spec/serializers/merge_request_poll_widget_entity_spec.rb

@@ -138,7 +138,7 @@ describe MergeRequestPollWidgetEntity do
   end
 
   describe 'pipeline' do
-    let(:pipeline) { create(:ci_empty_pipeline, project: project, ref: resource.source_branch, sha: resource.source_branch_sha, head_pipeline_of: resource) }
+    let!(:pipeline) { create(:ci_empty_pipeline, project: project, ref: resource.source_branch, sha: resource.source_branch_sha, head_pipeline_of: resource) }
 
     before do
       allow_any_instance_of(MergeRequestPresenter).to receive(:can?).and_call_original
@@ -158,6 +158,10 @@ describe MergeRequestPollWidgetEntity do
 
           expect(subject[:pipeline]).to eq(pipeline_payload)
         end
+
+        it 'returns ci_status' do
+          expect(subject[:ci_status]).to eq('pending')
+        end
       end
 
       context 'when is not up to date' do
@@ -171,10 +175,15 @@ describe MergeRequestPollWidgetEntity do
 
     context 'when user does not have access to pipelines' do
       let(:result) { false }
+      let(:req) { double('request', current_user: user, project: project) }
 
       it 'does not have pipeline' do
         expect(subject[:pipeline]).to eq(nil)
       end
+
+      it 'does not return ci_status' do
+        expect(subject[:ci_status]).to eq(nil)
+      end
     end
   end
 end

spec/support/helpers/workhorse_helpers.rb

@@ -76,7 +76,7 @@ module WorkhorseHelpers
       "#{key}.size" => file.size
     }.tap do |params|
       params["#{key}.path"] = file.path if file.path
-      params["#{key}.remote_id"] = file.remote_id if file.respond_to?(:remote_id) && file.remote_id
+      params["#{key}.remote_id"] = file.remote_id if file.respond_to?(:remote_id) && file.remote_id.present?
     end
   end
 

spec/support/shared_contexts/lib/gitlab/middleware/multipart_shared_contexts.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+RSpec.shared_context 'multipart middleware context' do
+  let(:app) { double(:app) }
+  let(:middleware) { described_class.new(app) }
+  let(:original_filename) { 'filename' }
+
+  # Rails 5 doesn't combine the GET/POST parameters in
+  # ActionDispatch::HTTP::Parameters if action_dispatch.request.parameters is set:
+  # https://github.com/rails/rails/blob/aea6423f013ca48f7704c70deadf2cd6ac7d70a1/actionpack/lib/action_dispatch/http/parameters.rb#L41
+  def get_params(env)
+    req = ActionDispatch::Request.new(env)
+    req.GET.merge(req.POST)
+  end
+
+  def post_env(rewritten_fields, params, secret, issuer)
+    token = JWT.encode({ 'iss' => issuer, 'rewritten_fields' => rewritten_fields }, secret, 'HS256')
+    Rack::MockRequest.env_for(
+      '/',
+      method: 'post',
+      params: params,
+      described_class::RACK_ENV_KEY => token
+    )
+  end
+
+  def with_tmp_dir(uploads_sub_dir, storage_path = '')
+    Dir.mktmpdir do |dir|
+      upload_dir = File.join(dir, storage_path, uploads_sub_dir)
+      FileUtils.mkdir_p(upload_dir)
+
+      allow(Rails).to receive(:root).and_return(dir)
+      allow(Dir).to receive(:tmpdir).and_return(File.join(Dir.tmpdir, 'tmpsubdir'))
+      allow(GitlabUploader).to receive(:root).and_return(File.join(dir, storage_path))
+
+      Tempfile.open('top-level', upload_dir) do |tempfile|
+        env = post_env({ 'file' => tempfile.path }, { 'file.name' => original_filename, 'file.path' => tempfile.path }, Gitlab::Workhorse.secret, 'gitlab-workhorse')
+
+        yield dir, env
+      end
+    end
+  end
+end

spec/support/shared_examples/controllers/hotlink_interceptor_shared_examples.rb

@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples "hotlink interceptor" do
+  let(:http_request) { nil }
+  let(:headers) { nil }
+
+  describe "DDOS prevention" do
+    using RSpec::Parameterized::TableSyntax
+
+    context "hotlinked as media" do
+      where(:response_status, :accept_header) do
+        # These are default formats in modern browsers, and IE
+        :ok | "*/*"
+        :ok | "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
+        :ok | "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
+        :ok | "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
+        :ok | "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"
+        :ok | "image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/x-shockwave-flash, application/msword, */*"
+        :ok | "text/html, application/xhtml+xml, image/jxr, */*"
+        :ok | "text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/webp, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1"
+
+        # These are image request formats
+        :not_acceptable | "image/webp,*/*"
+        :not_acceptable | "image/png,image/*;q=0.8,*/*;q=0.5"
+        :not_acceptable | "image/webp,image/apng,image/*,*/*;q=0.8"
+        :not_acceptable | "image/png,image/svg+xml,image/*;q=0.8, */*;q=0.5"
+
+        # Video request formats
+        :not_acceptable | "video/webm,video/ogg,video/*;q=0.9,application/ogg;q=0.7,audio/*;q=0.6,*/*;q=0.5"
+
+        # Audio request formats
+        :not_acceptable | "audio/webm,audio/ogg,audio/wav,audio/*;q=0.9,application/ogg;q=0.7,video/*;q=0.6,*/*;q=0.5"
+
+        # CSS request formats
+        :not_acceptable | "text/css,*/*;q=0.1"
+        :not_acceptable | "text/css"
+        :not_acceptable | "text/css,*/*;q=0.1"
+      end
+
+      with_them do
+        let(:headers) do
+          { "Accept" => accept_header }
+        end
+
+        before do
+          request.headers.merge!(headers) if request.present?
+        end
+
+        it "renders the response" do
+          http_request
+
+          expect(response).to have_gitlab_http_status(response_status)
+        end
+      end
+    end
+
+    context "hotlinked as a script" do
+      where(:response_status, :fetch_mode) do
+        # Standard navigation fetch modes
+        :ok | "navigate"
+        :ok | "nested-navigate"
+        :ok | "same-origin"
+
+        # Fetch modes when linking as JS
+        :not_acceptable | "cors"
+        :not_acceptable | "no-cors"
+        :not_acceptable | "websocket"
+      end
+
+      with_them do
+        let(:headers) do
+          { "Sec-Fetch-Mode" => fetch_mode }
+        end
+
+        before do
+          request.headers.merge!(headers) if request.present?
+        end
+
+        it "renders the response" do
+          http_request
+
+          expect(response).to have_gitlab_http_status(response_status)
+        end
+      end
+    end
+  end
+end

spec/uploaders/object_storage_spec.rb

@@ -714,6 +714,19 @@ describe ObjectStorage do
           end
         end
 
+        context 'when empty remote_id is specified' do
+          let(:uploaded_file) do
+            UploadedFile.new(temp_file.path, remote_id: '')
+          end
+
+          it 'uses local storage' do
+            subject
+
+            expect(uploader).to be_file_storage
+            expect(uploader.object_store).to eq(described_class::Store::LOCAL)
+          end
+        end
+
         context 'when valid file is specified' do
           let(:uploaded_file) do
             UploadedFile.new(temp_file.path, filename: "my_file.txt", remote_id: "test/123123")