Merge branch 'master' into ci/api-builds

* master: (51 commits)
  Fix version
  Fix specs and rubocop warnings
  Improve the consistency of commit titles, branch names, tag names, issue/MR titles, on their respective project pages
  fixed LDAP activation on login to use new ldap_blocked state
  Fix Admin/Users view to position buttons without spacing magic
  Update to Go 1.5.3
  Fix the undefinded variable error in Project's safe_import_url method
  Update CHANGELOG [ci skip]
  Add some cosmetic changes to variables API documentation [ci skip]
  Fix misaligned edit button in milestone collection partial
  Update button styles for Milestones#show
  Modify builds API documentation style [ci skip]
  Modify :ci_variable factory
  Ensure the API doesn't return notes that the current user shouldn't see
  Add 'Build' prefix to Variables entry name in API docs index
  Fix some typos
  Add spec for Note#cross_reference_not_visible_for?
  Remove (invalid) timestamp formatting
  Move `BroadcastMessage#status` to a helper since it's presentational
  Update CHANGELOG
  ...

Conflicts:
	doc/api/README.md
	lib/api/api.rb
	lib/api/entities.rb

1 files changed, 19 insertions, 2 deletions

diff --git a/lib/api/notes.rb b/lib/api/notes.rb
index 3efdfe2d46e..174473f5371 100644
--- a/lib/api/notes.rb
+++ b/lib/api/notes.rb
@@ -20,7 +20,19 @@ module API
         #   GET /projects/:id/snippets/:noteable_id/notes
         get ":id/#{noteables_str}/:#{noteable_id_str}/notes" do
           @noteable = user_project.send(:"#{noteables_str}").find(params[:"#{noteable_id_str}"])
-          present paginate(@noteable.notes), with: Entities::Note
+
+          # We exclude notes that are cross-references and that cannot be viewed
+          # by the current user. By doing this exclusion at this level and not
+          # at the DB query level (which we cannot in that case), the current
+          # page can have less elements than :per_page even if
+          # there's more than one page.
+          notes =
+            # paginate() only works with a relation. This could lead to a
+            # mismatch between the pagination headers info and the actual notes
+            # array returned, but this is really a edge-case.
+            paginate(@noteable.notes).
+            reject { |n| n.cross_reference_not_visible_for?(current_user) }
+          present notes, with: Entities::Note
         end
 
         # Get a single +noteable+ note
@@ -35,7 +47,12 @@ module API
         get ":id/#{noteables_str}/:#{noteable_id_str}/notes/:note_id" do
           @noteable = user_project.send(:"#{noteables_str}").find(params[:"#{noteable_id_str}"])
           @note = @noteable.notes.find(params[:note_id])
-          present @note, with: Entities::Note
+
+          if @note.cross_reference_not_visible_for?(current_user)
+            not_found!("Note")
+          else
+            present @note, with: Entities::Note
+          end
         end
 
         # Create a new +noteable+ note