Add latest changes from gitlab-org/security/gitlab@14-5-stable-ee

27 files changed, 346 insertions, 52 deletions

diff --git a/app/models/concerns/bulk_member_access_load.rb b/app/models/concerns/bulk_member_access_load.rb
index e252ca36629..927d6ccb28f 100644
--- a/app/models/concerns/bulk_member_access_load.rb
+++ b/app/models/concerns/bulk_member_access_load.rb
@@ -9,11 +9,15 @@ module BulkMemberAccessLoad
     # Determine the maximum access level for a group of resources in bulk.
     #
     # Returns a Hash mapping resource ID -> maximum access level.
-    def max_member_access_for_resource_ids(resource_klass, resource_ids, memoization_index = self.id, &block)
+    def max_member_access_for_resource_ids(resource_klass, resource_ids, &block)
       raise 'Block is mandatory' unless block_given?
 
+      memoization_index = self.id
+      memoization_class = self.class
+
       resource_ids = resource_ids.uniq
-      access = load_access_hash(resource_klass, memoization_index)
+      memo_id = "#{memoization_class}:#{memoization_index}"
+      access = load_access_hash(resource_klass, memo_id)
 
       # Look up only the IDs we need
       resource_ids -= access.keys
@@ -33,8 +37,8 @@ module BulkMemberAccessLoad
       access
     end
 
-    def merge_value_to_request_store(resource_klass, resource_id, memoization_index, value)
-      max_member_access_for_resource_ids(resource_klass, [resource_id], memoization_index) do
+    def merge_value_to_request_store(resource_klass, resource_id, value)
+      max_member_access_for_resource_ids(resource_klass, [resource_id]) do
         { resource_id => value }
       end
     end
@@ -45,16 +49,13 @@ module BulkMemberAccessLoad
       "max_member_access_for_#{klass.name.underscore.pluralize}:#{memoization_index}"
     end
 
-    def load_access_hash(resource_klass, memoization_index)
-      key = max_member_access_for_resource_key(resource_klass, memoization_index)
+    def load_access_hash(resource_klass, memo_id)
+      return {} unless Gitlab::SafeRequestStore.active?
 
-      access = {}
-      if Gitlab::SafeRequestStore.active?
-        Gitlab::SafeRequestStore[key] ||= {}
-        access = Gitlab::SafeRequestStore[key]
-      end
+      key = max_member_access_for_resource_key(resource_klass, memo_id)
+      Gitlab::SafeRequestStore[key] ||= {}
 
-      access
+      Gitlab::SafeRequestStore[key]
     end
   end
 end
diff --git a/app/models/concerns/diff_positionable_note.rb b/app/models/concerns/diff_positionable_note.rb
index cea3c7d119c..b13ca4bf06e 100644
--- a/app/models/concerns/diff_positionable_note.rb
+++ b/app/models/concerns/diff_positionable_note.rb
@@ -12,6 +12,7 @@ module DiffPositionableNote
     serialize :change_position, Gitlab::Diff::Position # rubocop:disable Cop/ActiveRecordSerialize
 
     validate :diff_refs_match_commit, if: :for_commit?
+    validates :position, json_schema: { filename: "position", hash_conversion: true }
   end
 
   %i(original_position position change_position).each do |meth|
diff --git a/app/models/preloaders/user_max_access_level_in_groups_preloader.rb b/app/models/preloaders/user_max_access_level_in_groups_preloader.rb
index bdd76d39ec1..2cd54b975f3 100644
--- a/app/models/preloaders/user_max_access_level_in_groups_preloader.rb
+++ b/app/models/preloaders/user_max_access_level_in_groups_preloader.rb
@@ -4,8 +4,6 @@ module Preloaders
   # This class preloads the max access level (role) for the user within the given groups and
   # stores the values in requests store.
   class UserMaxAccessLevelInGroupsPreloader
-    include BulkMemberAccessLoad
-
     def initialize(groups, user)
       @groups = groups
       @user = user
@@ -27,8 +25,9 @@ module Preloaders
                                      .group(:source_id)
                                      .maximum(:access_level)
 
-      group_memberships.each do |group_id, max_access_level|
-        merge_value_to_request_store(User, @user.id, group_id, max_access_level)
+      @groups.each do |group|
+        access_level = group_memberships[group.id]
+        group.merge_value_to_request_store(User, @user.id, access_level) if access_level.present?
       end
     end
 
@@ -41,7 +40,7 @@ module Preloaders
 
       @groups.each do |group|
         max_access_level = max_access_levels[group.id] || Gitlab::Access::NO_ACCESS
-        merge_value_to_request_store(User, @user.id, group.id, max_access_level)
+        group.merge_value_to_request_store(User, @user.id, max_access_level)
       end
     end
 
diff --git a/app/models/project.rb b/app/models/project.rb
index 2288850553c..45999da7839 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -36,6 +36,7 @@ class Project < ApplicationRecord
   include Repositories::CanHousekeepRepository
   include EachBatch
   include GitlabRoutingHelper
+  include BulkMemberAccessLoad
 
   extend Gitlab::Cache::RequestCache
   extend Gitlab::Utils::Override
diff --git a/app/models/project_team.rb b/app/models/project_team.rb
index 94904e9792f..8061554006d 100644
--- a/app/models/project_team.rb
+++ b/app/models/project_team.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class ProjectTeam
-  include BulkMemberAccessLoad
-
   attr_accessor :project
 
   def initialize(project)
@@ -171,7 +169,7 @@ class ProjectTeam
   #
   # Returns a Hash mapping user ID -> maximum access level.
   def max_member_access_for_user_ids(user_ids)
-    max_member_access_for_resource_ids(User, user_ids, project.id) do |user_ids|
+    project.max_member_access_for_resource_ids(User, user_ids) do |user_ids|
       project.project_authorizations
              .where(user: user_ids)
              .group(:user_id)
@@ -180,7 +178,7 @@ class ProjectTeam
   end
 
   def write_member_access_for_user_id(user_id, project_access_level)
-    merge_value_to_request_store(User, user_id, project.id, project_access_level)
+    project.merge_value_to_request_store(User, user_id, project_access_level)
   end
 
   def max_member_access(user_id)
diff --git a/app/validators/json_schema_validator.rb b/app/validators/json_schema_validator.rb
index 68f03e8a6a3..4896c2ea2ef 100644
--- a/app/validators/json_schema_validator.rb
+++ b/app/validators/json_schema_validator.rb
@@ -24,8 +24,10 @@ class JsonSchemaValidator < ActiveModel::EachValidator
   end
 
   def validate_each(record, attribute, value)
+    value = value.to_h.stringify_keys if options[:hash_conversion] == true
+
     unless valid_schema?(value)
-      record.errors.add(attribute, "must be a valid json schema")
+      record.errors.add(attribute, _("must be a valid json schema"))
     end
   end
 
diff --git a/app/validators/json_schemas/position.json b/app/validators/json_schemas/position.json
new file mode 100644
index 00000000000..d2c83be7639
--- /dev/null
+++ b/app/validators/json_schemas/position.json
@@ -0,0 +1,151 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "description": "Gitlab::Diff::Position",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "base_sha": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 40 }
+      ]
+    },
+    "start_sha": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 40 }
+      ]
+    },
+    "head_sha": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 40 }
+      ]
+    },
+    "file_identifier_hash": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 40 }
+      ]
+    },
+    "old_path": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 1000 }
+      ]
+    },
+    "new_path": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 1000 }
+      ]
+    },
+    "position_type": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "string", "maxLength": 10 }
+      ]
+    },
+    "old_line": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" }
+      ]
+    },
+    "new_line": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" }
+      ]
+    },
+    "line_range": {
+      "oneOf": [
+        { "type": "null" },
+        {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "start": {
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "line_code": { "type": "string", "maxLength": 100 },
+                "type": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "string", "maxLength": 100 }
+                  ]
+                },
+                "old_line": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "integer" }
+                  ]
+                },
+                "new_line": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "integer" }
+                  ]
+                }
+              }
+            },
+            "end": {
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "line_code": { "type": "string", "maxLength": 100 },
+                "type": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "string", "maxLength": 100 }
+                  ]
+                },
+                "old_line": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "integer" }
+                  ]
+                },
+                "new_line": {
+                  "oneOf": [
+                    { "type": "null" },
+                    { "type": "integer" }
+                  ]
+                }
+              }
+            }
+          }
+        }
+      ]
+    },
+    "width": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" },
+        { "type": "string", "maxLength": 10 }
+      ]
+    },
+    "height": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" },
+        { "type": "string", "maxLength": 10 }
+      ]
+    },
+    "x": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" },
+        { "type": "string", "maxLength": 10 }
+      ]
+    },
+    "y": {
+      "oneOf": [
+        { "type": "null" },
+        { "type": "integer" },
+        { "type": "string", "maxLength": 10 }
+      ]
+    }
+  }
+}
diff --git a/lib/api/lint.rb b/lib/api/lint.rb
index f1e19e9c3c5..3655cb56564 100644
--- a/lib/api/lint.rb
+++ b/lib/api/lint.rb
@@ -4,6 +4,16 @@ module API
   class Lint < ::API::Base
     feature_category :pipeline_authoring
 
+    helpers do
+      def can_lint_ci?
+        signup_unrestricted = Gitlab::CurrentSettings.signup_enabled? && !Gitlab::CurrentSettings.signup_limited?
+        internal_user = current_user.present? && !current_user.external?
+        is_developer = current_user.present? && current_user.projects.any? { |p| p.team.member?(current_user, Gitlab::Access::DEVELOPER) }
+
+        signup_unrestricted || internal_user || is_developer
+      end
+    end
+
     namespace :ci do
       desc 'Validation of .gitlab-ci.yml content'
       params do
@@ -12,7 +22,7 @@ module API
         optional :include_jobs, type: Boolean, desc: 'Whether or not to include CI jobs in the response'
       end
       post '/lint' do
-        unauthorized! if (Gitlab::CurrentSettings.signup_disabled? || Gitlab::CurrentSettings.signup_limited?) && current_user.nil?
+        unauthorized! unless can_lint_ci?
 
         result = Gitlab::Ci::Lint.new(project: nil, current_user: current_user)
           .validate(params[:content], dry_run: false)
diff --git a/lib/banzai/filter/front_matter_filter.rb b/lib/banzai/filter/front_matter_filter.rb
index d47900b816a..705400a5497 100644
--- a/lib/banzai/filter/front_matter_filter.rb
+++ b/lib/banzai/filter/front_matter_filter.rb
@@ -9,7 +9,7 @@ module Banzai
         html.sub(Gitlab::FrontMatter::PATTERN) do |_match|
           lang = $~[:lang].presence || lang_mapping[$~[:delim]]
 
-          ["```#{lang}:frontmatter", $~[:front_matter], "```", "\n"].join("\n")
+          ["```#{lang}:frontmatter", $~[:front_matter].strip!, "```", "\n"].join("\n")
         end
       end
     end
diff --git a/lib/gitlab/current_settings.rb b/lib/gitlab/current_settings.rb
index b9034cff447..2d2d8c41236 100644
--- a/lib/gitlab/current_settings.rb
+++ b/lib/gitlab/current_settings.rb
@@ -8,7 +8,7 @@ module Gitlab
       end
 
       def signup_limited?
-        domain_allowlist.present? || email_restrictions_enabled? || require_admin_approval_after_user_signup?
+        domain_allowlist.present? || email_restrictions_enabled? || require_admin_approval_after_user_signup? || user_default_external?
       end
 
       def current_application_settings
diff --git a/lib/gitlab/diff/lines_unfolder.rb b/lib/gitlab/diff/lines_unfolder.rb
index 6def3a074a3..04ed5857233 100644
--- a/lib/gitlab/diff/lines_unfolder.rb
+++ b/lib/gitlab/diff/lines_unfolder.rb
@@ -57,6 +57,7 @@ module Gitlab
           next false unless @position.unfoldable?
           next false if @diff_file.new_file? || @diff_file.deleted_file?
           next false unless @position.old_line
+          next false unless @position.old_line.is_a?(Integer)
           # Invalid position (MR import scenario)
           next false if @position.old_line > @blob.lines.size
           next false if @diff_file.diff_lines.empty?
diff --git a/lib/gitlab/front_matter.rb b/lib/gitlab/front_matter.rb
index 7612bd36aca..5c5c74ca1a0 100644
--- a/lib/gitlab/front_matter.rb
+++ b/lib/gitlab/front_matter.rb
@@ -11,13 +11,11 @@ module Gitlab
     DELIM = Regexp.union(DELIM_LANG.keys)
 
     PATTERN = %r{
-      \A(?:[^\r\n]*coding:[^\r\n]*)?         # optional encoding line
+      \A(?:[^\r\n]*coding:[^\r\n]*\R)?        # optional encoding line
       \s*
-      ^(?<delim>#{DELIM})[ \t]*(?<lang>\S*)  # opening front matter marker (optional language specifier)
-      \s*
-      ^(?<front_matter>.*?)                  # front matter block content (not greedy)
-      \s*
-      ^(\k<delim> | \.{3})                   # closing front matter marker
+      ^(?<delim>#{DELIM})[ \t]*(?<lang>\S*)\R # opening front matter marker (optional language specifier)
+      (?<front_matter>.*?)                    # front matter block content (not greedy)
+      ^(\k<delim> | \.{3})                    # closing front matter marker
       \s*
     }mx.freeze
   end
diff --git a/lib/gitlab/wiki_pages/front_matter_parser.rb b/lib/gitlab/wiki_pages/front_matter_parser.rb
index 45dc6cf7fd1..0ceec39782c 100644
--- a/lib/gitlab/wiki_pages/front_matter_parser.rb
+++ b/lib/gitlab/wiki_pages/front_matter_parser.rb
@@ -54,7 +54,7 @@ module Gitlab
 
         def initialize(delim = nil, lang = '', text = nil)
           @lang = lang.downcase.presence || Gitlab::FrontMatter::DELIM_LANG[delim]
-          @text = text
+          @text = text&.strip!
         end
 
         def data
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index f87833e829d..1e290fa6c62 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -41577,6 +41577,9 @@ msgstr ""
 msgid "must be a valid IPv4 or IPv6 address"
 msgstr ""
 
+msgid "must be a valid json schema"
+msgstr ""
+
 msgid "must be after start"
 msgstr ""
 
diff --git a/spec/factories/diff_position.rb b/spec/factories/diff_position.rb
index 41f9a7b574e..bd248452de8 100644
--- a/spec/factories/diff_position.rb
+++ b/spec/factories/diff_position.rb
@@ -43,8 +43,12 @@ FactoryBot.define do
       trait :multi_line do
         line_range do
           {
-            start_line_code: Gitlab::Git.diff_line_code(file, 10, 10),
-            end_line_code: Gitlab::Git.diff_line_code(file, 12, 13)
+            start: {
+              line_code: Gitlab::Git.diff_line_code(file, 10, 10)
+            },
+            end: {
+              line_code: Gitlab::Git.diff_line_code(file, 12, 13)
+            }
           }
         end
       end
diff --git a/spec/frontend/diffs/store/utils_spec.js b/spec/frontend/diffs/store/utils_spec.js
index 73de0a6d381..55c0141552d 100644
--- a/spec/frontend/diffs/store/utils_spec.js
+++ b/spec/frontend/diffs/store/utils_spec.js
@@ -138,7 +138,7 @@ describe('DiffsStoreUtils', () => {
           old_line: 1,
         },
         linePosition: LINE_POSITION_LEFT,
-        lineRange: { start_line_code: 'abc_1_1', end_line_code: 'abc_2_2' },
+        lineRange: { start: { line_code: 'abc_1_1' }, end: { line_code: 'abc_2_2' } },
       };
 
       const position = JSON.stringify({
@@ -608,7 +608,7 @@ describe('DiffsStoreUtils', () => {
     // When multi line comments are fully implemented `line_code` will be
     // included in all requests. Until then we need to ensure the logic does
     // not change when it is included only in the "comparison" argument.
-    const lineRange = { start_line_code: 'abc_1_1', end_line_code: 'abc_1_2' };
+    const lineRange = { start: { line_code: 'abc_1_1' }, end: { line_code: 'abc_1_2' } };
 
     it('returns true when the discussion is up to date', () => {
       expect(
diff --git a/spec/lib/banzai/filter/front_matter_filter_spec.rb b/spec/lib/banzai/filter/front_matter_filter_spec.rb
index cef6a2ddcce..1562c388296 100644
--- a/spec/lib/banzai/filter/front_matter_filter_spec.rb
+++ b/spec/lib/banzai/filter/front_matter_filter_spec.rb
@@ -139,4 +139,20 @@ RSpec.describe Banzai::Filter::FrontMatterFilter do
       end
     end
   end
+
+  it 'fails fast for strings with many spaces' do
+    content = "coding:" + " " * 50_000 + ";"
+
+    expect do
+      Timeout.timeout(3.seconds) { filter(content) }
+    end.not_to raise_error
+  end
+
+  it 'fails fast for strings with many newlines' do
+    content = "coding:\n" + ";;;" + "\n" * 10_000 + "x"
+
+    expect do
+      Timeout.timeout(3.seconds) { filter(content) }
+    end.not_to raise_error
+  end
 end
diff --git a/spec/lib/gitlab/current_settings_spec.rb b/spec/lib/gitlab/current_settings_spec.rb
index a5ab1047a40..46c33d7b7b2 100644
--- a/spec/lib/gitlab/current_settings_spec.rb
+++ b/spec/lib/gitlab/current_settings_spec.rb
@@ -51,9 +51,17 @@ RSpec.describe Gitlab::CurrentSettings do
       it { is_expected.to be_truthy }
     end
 
+    context 'when new users are set to external' do
+      before do
+        create(:application_setting, user_default_external: true)
+      end
+
+      it { is_expected.to be_truthy }
+    end
+
     context 'when there are no restrictions' do
       before do
-        create(:application_setting, domain_allowlist: [], email_restrictions_enabled: false, require_admin_approval_after_user_signup: false)
+        create(:application_setting, domain_allowlist: [], email_restrictions_enabled: false, require_admin_approval_after_user_signup: false, user_default_external: false)
       end
 
       it { is_expected.to be_falsey }
diff --git a/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb b/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb
index 41877a16ebf..b6bdc5ff493 100644
--- a/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb
+++ b/spec/lib/gitlab/diff/formatters/text_formatter_spec.rb
@@ -47,14 +47,14 @@ RSpec.describe Gitlab::Diff::Formatters::TextFormatter do
 
   describe "#==" do
     it "is false when the line_range changes" do
-      formatter_1 = described_class.new(base.merge(line_range: { start_line_code: "foo", end_line_code: "bar" }))
-      formatter_2 = described_class.new(base.merge(line_range: { start_line_code: "foo", end_line_code: "baz" }))
+      formatter_1 = described_class.new(base.merge(line_range: { "start": { "line_code" => "foo" }, "end": { "line_code" => "bar" } }))
+      formatter_2 = described_class.new(base.merge(line_range: { "start": { "line_code" => "foo" }, "end": { "line_code" => "baz" } }))
 
       expect(formatter_1).not_to eq(formatter_2)
     end
 
     it "is true when the line_range doesn't change" do
-      attrs = base.merge({ line_range: { start_line_code: "foo", end_line_code: "baz" } })
+      attrs = base.merge({ line_range: { start: { line_code: "foo" }, end: { line_code: "baz" } } })
       formatter_1 = described_class.new(attrs)
       formatter_2 = described_class.new(attrs)
 
diff --git a/spec/lib/gitlab/diff/lines_unfolder_spec.rb b/spec/lib/gitlab/diff/lines_unfolder_spec.rb
index 8385cba3532..f0e710be2e4 100644
--- a/spec/lib/gitlab/diff/lines_unfolder_spec.rb
+++ b/spec/lib/gitlab/diff/lines_unfolder_spec.rb
@@ -215,6 +215,16 @@ RSpec.describe Gitlab::Diff::LinesUnfolder do
       build(:text_diff_position, old_line: 43, new_line: 40)
     end
 
+    context 'old_line is an invalid number' do
+      let(:position) do
+        build(:text_diff_position, old_line: "foo", new_line: 40)
+      end
+
+      it 'fails gracefully' do
+        expect(subject.unfolded_diff_lines).to be_nil
+      end
+    end
+
     context 'blob lines' do
       let(:expected_blob_lines) do
         [[40, 40, "             \"config-opts\": [ \"--disable-introspection\" ],"],
diff --git a/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb b/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
index b646cf38178..c46f476899e 100644
--- a/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
+++ b/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
@@ -295,8 +295,12 @@ RSpec.describe Gitlab::Diff::PositionTracer::LineStrategy, :clean_gitlab_redis_c
                     new_path: file_name,
                     new_line: 2,
                     line_range: {
-                      "start_line_code" => 1,
-                      "end_line_code"   => 2
+                      "start" => {
+                        "line_code" => 1
+                      },
+                      "end" => {
+                        "line_code" => 2
+                      }
                     }
                   )
                 end
@@ -575,8 +579,12 @@ RSpec.describe Gitlab::Diff::PositionTracer::LineStrategy, :clean_gitlab_redis_c
                     new_path: file_name,
                     new_line: 2,
                     line_range: {
-                      "start_line_code" => 1,
-                      "end_line_code"   => 2
+                      "start" => {
+                        "line_code" => 1
+                      },
+                      "end" => {
+                        "line_code" => 2
+                      }
                     }
                   )
                 end
@@ -588,8 +596,12 @@ RSpec.describe Gitlab::Diff::PositionTracer::LineStrategy, :clean_gitlab_redis_c
                     old_line: nil,
                     new_line: 2,
                     line_range: {
-                      "start_line_code" => 1,
-                      "end_line_code"   => 2
+                      "start" => {
+                        "line_code" => 1
+                      },
+                      "end" => {
+                        "line_code" => 2
+                      }
                     }
                   )
                 end
diff --git a/spec/lib/gitlab/wiki_pages/front_matter_parser_spec.rb b/spec/lib/gitlab/wiki_pages/front_matter_parser_spec.rb
index c78103f33f4..3152dc2ad2f 100644
--- a/spec/lib/gitlab/wiki_pages/front_matter_parser_spec.rb
+++ b/spec/lib/gitlab/wiki_pages/front_matter_parser_spec.rb
@@ -118,7 +118,7 @@ RSpec.describe Gitlab::WikiPages::FrontMatterParser do
         MD
       end
 
-      it { is_expected.to have_attributes(reason: :not_mapping) }
+      it { is_expected.to have_attributes(reason: :no_match) }
     end
 
     context 'there is a string in the YAML block' do
diff --git a/spec/models/preloaders/user_max_access_level_in_groups_preloader_spec.rb b/spec/models/preloaders/user_max_access_level_in_groups_preloader_spec.rb
index 5fc7bfb1f62..2060e6cd44a 100644
--- a/spec/models/preloaders/user_max_access_level_in_groups_preloader_spec.rb
+++ b/spec/models/preloaders/user_max_access_level_in_groups_preloader_spec.rb
@@ -13,7 +13,8 @@ RSpec.describe Preloaders::UserMaxAccessLevelInGroupsPreloader do
 
   shared_examples 'executes N max member permission queries to the DB' do
     it 'executes the specified max membership queries' do
-      expect { groups.each { |group| user.can?(:read_group, group) } }.to make_queries_matching(max_query_regex, expected_query_count)
+      expect { groups.each { |group| user.can?(:read_group, group) } }
+        .to make_queries_matching(max_query_regex, expected_query_count)
     end
 
     it 'caches the correct access_level for each group' do
diff --git a/spec/requests/api/lint_spec.rb b/spec/requests/api/lint_spec.rb
index ac30da99afe..0e83b964121 100644
--- a/spec/requests/api/lint_spec.rb
+++ b/spec/requests/api/lint_spec.rb
@@ -26,6 +26,35 @@ RSpec.describe API::Lint do
           expect(response).to have_gitlab_http_status(:ok)
         end
       end
+
+      context 'when authenticated as external user' do
+        let(:project) { create(:project) }
+        let(:api_user) { create(:user, :external) }
+
+        context 'when reporter in a project' do
+          before do
+            project.add_reporter(api_user)
+          end
+
+          it 'returns authorization failure' do
+            post api('/ci/lint', api_user), params: { content: 'content' }
+
+            expect(response).to have_gitlab_http_status(:unauthorized)
+          end
+        end
+
+        context 'when developer in a project' do
+          before do
+            project.add_developer(api_user)
+          end
+
+          it 'returns authorization success' do
+            post api('/ci/lint', api_user), params: { content: 'content' }
+
+            expect(response).to have_gitlab_http_status(:ok)
+          end
+        end
+      end
     end
 
     context 'when signup is enabled and not limited' do
diff --git a/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb b/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
index 759b22f794e..eafa589a1d3 100644
--- a/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
+++ b/spec/support/shared_examples/models/diff_positionable_note_shared_examples.rb
@@ -71,5 +71,38 @@ RSpec.shared_examples 'a valid diff positionable note' do |factory_on_commit|
         end
       end
     end
+
+    describe 'schema validation' do
+      where(:position_attrs) do
+        [
+          { old_path: SecureRandom.alphanumeric(1001) },
+          { new_path: SecureRandom.alphanumeric(1001) },
+          { old_line: "foo" }, # this should be an integer
+          { new_line: "foo" }, # this should be an integer
+          { line_range: { "foo": "bar" } },
+          { line_range: { "line_code": SecureRandom.alphanumeric(101) } },
+          { line_range: { "type": SecureRandom.alphanumeric(101) } },
+          { line_range: { "old_line": "foo" } },
+          { line_range: { "new_line": "foo" } }
+        ]
+      end
+
+      with_them do
+        let(:position) do
+          Gitlab::Diff::Position.new(
+            {
+              old_path: "files/ruby/popen.rb",
+              new_path: "files/ruby/popen.rb",
+              old_line: nil,
+              new_line: 14,
+              line_range: nil,
+              diff_refs: diff_refs
+            }.merge(position_attrs)
+          )
+        end
+
+        it { is_expected.to be_invalid }
+      end
+    end
   end
 end
diff --git a/spec/support/shared_examples/requests/api/diff_discussions_shared_examples.rb b/spec/support/shared_examples/requests/api/diff_discussions_shared_examples.rb
index 518c5b8dc28..7f2c445e93d 100644
--- a/spec/support/shared_examples/requests/api/diff_discussions_shared_examples.rb
+++ b/spec/support/shared_examples/requests/api/diff_discussions_shared_examples.rb
@@ -29,10 +29,14 @@ RSpec.shared_examples 'diff discussions API' do |parent_type, noteable_type, id_
   describe "POST /#{parent_type}/:id/#{noteable_type}/:noteable_id/discussions" do
     it "creates a new diff note" do
       line_range = {
-        "start_line_code" => Gitlab::Git.diff_line_code(diff_note.position.file_path, 1, 1),
-        "end_line_code" => Gitlab::Git.diff_line_code(diff_note.position.file_path, 2, 2),
-        "start_line_type" => diff_note.position.type,
-        "end_line_type" => diff_note.position.type
+        "start" => {
+          "line_code" => Gitlab::Git.diff_line_code(diff_note.position.file_path, 1, 1),
+          "type" => diff_note.position.type
+        },
+        "end" => {
+          "line_code" => Gitlab::Git.diff_line_code(diff_note.position.file_path, 2, 2),
+          "type" => diff_note.position.type
+        }
       }
 
       position = diff_note.position.to_h.merge({ line_range: line_range })
diff --git a/spec/validators/json_schema_validator_spec.rb b/spec/validators/json_schema_validator_spec.rb
index 83eb0e2f3dd..01caf4ab0bd 100644
--- a/spec/validators/json_schema_validator_spec.rb
+++ b/spec/validators/json_schema_validator_spec.rb
@@ -46,5 +46,17 @@ RSpec.describe JsonSchemaValidator do
         expect { subject }.to raise_error(described_class::FilenameError)
       end
     end
+
+    describe 'hash_conversion option' do
+      context 'when hash_conversion is enabled' do
+        let(:validator) { described_class.new(attributes: [:data], filename: "build_report_result_data", hash_conversion: true) }
+
+        it 'returns no errors' do
+          subject
+
+          expect(build_report_result.errors).to be_empty
+        end
+      end
+    end
   end
 end