Merge branch 'if-52811-fix_namespaces_api_routing' into 'master'

Fix API::Namespaces routing to accept namepaces with dots

See merge request gitlab-org/gitlab-ce!22912

changelogs/unreleased/ce-52811-fix_namespaces_api_routing.yml

+---
+title: Fix API::Namespaces routing to accept namepaces with dots
+merge_request: 22912
+author:
+type: fixed

doc/development/ee_features.md

@@ -511,7 +511,7 @@ module EE
         params do
           requires :id, type: String, desc: 'The ID of a project'
         end
-        resource :projects, requirements: ::API::API::PROJECT_ENDPOINT_REQUIREMENTS do
+        resource :projects, requirements: ::API::API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
           # ...
         end
       end

lib/api/access_requests.rb

@@ -12,7 +12,7 @@ module API
       params do
         requires :id, type: String, desc: "The #{source_type} ID"
       end
-      resource source_type.pluralize, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc "Gets a list of access requests for a #{source_type}." do
           detail 'This feature was introduced in GitLab 8.11.'
           success Entities::AccessRequester

lib/api/api.rb

@@ -7,8 +7,8 @@ module API
     LOG_FILENAME = Rails.root.join("log", "api_json.log")
 
     NO_SLASH_URL_PART_REGEX = %r{[^/]+}
-    PROJECT_ENDPOINT_REQUIREMENTS = { id: NO_SLASH_URL_PART_REGEX }.freeze
-    COMMIT_ENDPOINT_REQUIREMENTS = PROJECT_ENDPOINT_REQUIREMENTS.merge(sha: NO_SLASH_URL_PART_REGEX).freeze
+    NAMESPACE_OR_PROJECT_REQUIREMENTS = { id: NO_SLASH_URL_PART_REGEX }.freeze
+    COMMIT_ENDPOINT_REQUIREMENTS = NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(sha: NO_SLASH_URL_PART_REGEX).freeze
 
     insert_before Grape::Middleware::Error,
                   GrapeLogging::Middleware::RequestLogger,

lib/api/award_emoji.rb

@@ -14,7 +14,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       AWARDABLES.each do |awardable_params|
         awardable_string = awardable_params[:type].pluralize
         awardable_id_string = "#{awardable_params[:type]}_#{awardable_params[:find_by]}"

lib/api/badges.rb

@@ -22,7 +22,7 @@ module API
       params do
         requires :id, type: String, desc: "The ID of a #{source_type}"
       end
-      resource source_type.pluralize, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc "Gets a list of #{source_type} badges viewable by the authenticated user." do
           detail 'This feature was introduced in GitLab 10.6.'
           success Entities::Badge

lib/api/boards.rb

@@ -16,7 +16,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       segment ':id/boards' do
         desc 'Get all project boards' do
           detail 'This feature was introduced in 8.13'

lib/api/branches.rb

@@ -6,7 +6,7 @@ module API
   class Branches < Grape::API
     include PaginationParams
 
-    BRANCH_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(branch: API::NO_SLASH_URL_PART_REGEX)
+    BRANCH_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(branch: API::NO_SLASH_URL_PART_REGEX)
 
     before { authorize! :download_code, user_project }
 
@@ -20,7 +20,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a project repository branches' do
         success Entities::Branch
       end

lib/api/commit_statuses.rb

@@ -7,7 +7,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       include PaginationParams
 
       before { authenticate! }

lib/api/commits.rb

@@ -23,7 +23,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a project repository commits' do
         success Entities::Commit
       end

lib/api/deploy_keys.rb

@@ -31,7 +31,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of the project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       before { authorize_admin_project }
 
       desc "Get a specific project's deploy keys" do

lib/api/deployments.rb

@@ -10,7 +10,7 @@ module API
     params do
       requires :id, type: String, desc: 'The project ID'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all deployments of the project' do
         detail 'This feature was introduced in GitLab 8.11.'
         success Entities::Deployment

lib/api/discussions.rb

@@ -17,7 +17,7 @@ module API
       params do
         requires :id, type: String, desc: "The ID of a #{parent_type}"
       end
-      resource parent_type.pluralize.to_sym, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource parent_type.pluralize.to_sym, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc "Get a list of #{noteable_type.to_s.downcase} discussions" do
           success Entities::Discussion
         end

lib/api/environments.rb

@@ -11,7 +11,7 @@ module API
     params do
       requires :id, type: String, desc: 'The project ID'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all environments of the project' do
         detail 'This feature was introduced in GitLab 8.11.'
         success Entities::Environment

lib/api/events.rb

@@ -97,7 +97,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc "List a Project's visible events" do
         success Entities::Event
       end

lib/api/files.rb

@@ -2,7 +2,7 @@
 
 module API
   class Files < Grape::API
-    FILE_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(file_path: API::NO_SLASH_URL_PART_REGEX)
+    FILE_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(file_path: API::NO_SLASH_URL_PART_REGEX)
 
     # Prevents returning plain/text responses for files with .txt extension
     after_validation { content_type "application/json" }

lib/api/group_boards.rb

@@ -19,7 +19,7 @@ module API
       requires :id, type: String, desc: 'The ID of a group'
     end
 
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       segment ':id/boards' do
         desc 'Find a group board' do
           detail 'This feature was introduced in 10.6'

lib/api/group_milestones.rb

@@ -12,7 +12,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a group'
     end
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of group milestones' do
         success Entities::Milestone
       end

lib/api/group_variables.rb

@@ -11,7 +11,7 @@ module API
       requires :id, type: String, desc: 'The ID of a group'
     end
 
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get group-level variables' do
         success Entities::Variable
       end

lib/api/groups.rb

@@ -140,7 +140,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a group'
     end
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Update a group. Available only for users who can administrate groups.' do
         success Entities::Group
       end

lib/api/issues.rb

@@ -101,7 +101,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a group'
     end
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of group issues' do
         success Entities::IssueBasic
       end
@@ -128,7 +128,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       include TimeTrackingEndpoints
 
       desc 'Get a list of project issues' do

lib/api/job_artifacts.rb

@@ -14,7 +14,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Download the artifacts archive from a job' do
         detail 'This feature was introduced in GitLab 8.10'
       end

lib/api/jobs.rb

@@ -9,7 +9,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       helpers do
         params :optional_scope do
           optional :scope, types: [String, Array[String]], desc: 'The scope of builds to show',

lib/api/labels.rb

@@ -9,7 +9,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all labels of the project' do
         success Entities::Label
       end

lib/api/members.rb

@@ -12,7 +12,7 @@ module API
       params do
         requires :id, type: String, desc: "The #{source_type} ID"
       end
-      resource source_type.pluralize, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc 'Gets a list of group or project members viewable by the authenticated user.' do
           success Entities::Member
         end

lib/api/merge_request_diffs.rb

@@ -10,7 +10,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of merge request diff versions' do
         detail 'This feature was introduced in GitLab 8.12.'
         success Entities::MergeRequestDiff

lib/api/merge_requests.rb

@@ -135,7 +135,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a group'
     end
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of group merge requests' do
         success Entities::MergeRequestBasic
       end
@@ -154,7 +154,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       include TimeTrackingEndpoints
 
       helpers do

lib/api/namespaces.rb

@@ -28,7 +28,7 @@ module API
       params do
         requires :id, type: String, desc: "Namespace's ID or path"
       end
-      get ':id' do
+      get ':id', requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         present user_namespace, with: Entities::Namespace, current_user: current_user
       end
     end

lib/api/notes.rb

@@ -16,7 +16,7 @@ module API
       params do
         requires :id, type: String, desc: "The ID of a #{parent_type}"
       end
-      resource parent_type.pluralize.to_sym, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource parent_type.pluralize.to_sym, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         noteables_str = noteable_type.to_s.underscore.pluralize
 
         desc "Get a list of #{noteable_type.to_s.downcase} notes" do

lib/api/notification_settings.rb

@@ -58,7 +58,7 @@ module API
       params do
         requires :id, type: String, desc: "The #{source_type} ID"
       end
-      resource source_type.pluralize, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc "Get #{source_type} level notification level settings, defaults to Global" do
           detail 'This feature was introduced in GitLab 8.12'
           success Entities::NotificationSetting

lib/api/pages_domains.rb

@@ -4,7 +4,7 @@ module API
   class PagesDomains < Grape::API
     include PaginationParams
 
-    PAGES_DOMAINS_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(domain: API::NO_SLASH_URL_PART_REGEX)
+    PAGES_DOMAINS_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(domain: API::NO_SLASH_URL_PART_REGEX)
 
     before do
       authenticate!
@@ -54,7 +54,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       before do
         require_pages_enabled!
       end

lib/api/pipeline_schedules.rb

@@ -9,7 +9,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all pipeline schedules' do
         success Entities::PipelineSchedule
       end

lib/api/pipelines.rb

@@ -9,7 +9,7 @@ module API
     params do
       requires :id, type: String, desc: 'The project ID'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all Pipelines of the project' do
         detail 'This feature was introduced in GitLab 8.11.'
         success Entities::PipelineBasic

lib/api/project_hooks.rb

@@ -29,7 +29,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get project hooks' do
         success Entities::ProjectHook
       end

lib/api/project_import.rb

@@ -23,7 +23,7 @@ module API
       forbidden! unless Gitlab::CurrentSettings.import_sources.include?('gitlab_project')
     end
 
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       params do
         requires :path, type: String, desc: 'The new project path and name'
         requires :file, type: File, desc: 'The project export file to be imported'

lib/api/project_milestones.rb

@@ -12,7 +12,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of project milestones' do
         success Entities::Milestone
       end

lib/api/project_snippets.rb

@@ -9,7 +9,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       helpers do
         def handle_project_member_errors(errors)
           if errors[:project_access].any?

lib/api/projects.rb

@@ -128,7 +128,7 @@ module API
       end
     end
 
-    resource :users, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :users, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a user projects' do
         success Entities::BasicProjectDetails
       end
@@ -224,7 +224,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a single project' do
         success Entities::ProjectWithAccess
       end

lib/api/protected_branches.rb

@@ -4,14 +4,14 @@ module API
   class ProtectedBranches < Grape::API
     include PaginationParams
 
-    BRANCH_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(name: API::NO_SLASH_URL_PART_REGEX)
+    BRANCH_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(name: API::NO_SLASH_URL_PART_REGEX)
 
     before { authorize_admin_project }
 
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc "Get a project's protected branches" do
         success Entities::ProtectedBranch
       end

lib/api/protected_tags.rb

@@ -4,14 +4,14 @@ module API
   class ProtectedTags < Grape::API
     include PaginationParams
 
-    TAG_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(name: API::NO_SLASH_URL_PART_REGEX)
+    TAG_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(name: API::NO_SLASH_URL_PART_REGEX)
 
     before { authorize_admin_project }
 
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc "Get a project's protected tags" do
         detail 'This feature was introduced in GitLab 11.3.'
         success Entities::ProtectedTag

lib/api/repositories.rb

@@ -11,7 +11,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       helpers do
         def handle_project_member_errors(errors)
           if errors[:project_access].any?

lib/api/resource_label_events.rb

@@ -16,7 +16,7 @@ module API
       params do
         requires :id, type: String, desc: "The ID of a #{parent_type}"
       end
-      resource parent_type.pluralize.to_sym, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      resource parent_type.pluralize.to_sym, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc "Get a list of #{eventable_type.to_s.downcase} resource label events" do
           success Entities::ResourceLabelEvent
           detail 'This feature was introduced in 11.3'

lib/api/runners.rb

@@ -126,7 +126,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       before { authorize_admin_project }
 
       desc 'Get runners available for project' do

lib/api/search.rb

@@ -70,7 +70,7 @@ module API
       end
     end
 
-    resource :groups, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Search on GitLab' do
         detail 'This feature was introduced in GitLab 10.5.'
       end
@@ -89,7 +89,7 @@ module API
       end
     end
 
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Search on GitLab' do
         detail 'This feature was introduced in GitLab 10.5.'
       end

lib/api/services.rb

@@ -763,7 +763,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS  do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS  do
       before { authenticate! }
       before { authorize_admin_project }
 
@@ -842,7 +842,7 @@ module API
       params do
         requires :id, type: String, desc: 'The ID of a project'
       end
-      resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS  do
+      resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS  do
         desc "Trigger a slash command for #{service_slug}" do
           detail 'Added in GitLab 8.13'
         end

lib/api/subscriptions.rb

@@ -14,7 +14,7 @@ module API
       requires :id, type: String, desc: 'The ID of a project'
       requires :subscribable_id, type: String, desc: 'The ID of a resource'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       subscribable_types.each do |type, finder|
         type_singularized = type.singularize
         entity_class = Entities.const_get(type_singularized.camelcase)

lib/api/tags.rb

@@ -4,14 +4,14 @@ module API
   class Tags < Grape::API
     include PaginationParams
 
-    TAG_ENDPOINT_REQUIREMENTS = API::PROJECT_ENDPOINT_REQUIREMENTS.merge(tag_name: API::NO_SLASH_URL_PART_REGEX)
+    TAG_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS.merge(tag_name: API::NO_SLASH_URL_PART_REGEX)
 
     before { authorize! :download_code, user_project }
 
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a project repository tags' do
         success Entities::Tag
       end

lib/api/todos.rb

@@ -14,7 +14,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS  do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS  do
       ISSUABLE_TYPES.each do |type, finder|
         type_id_str = "#{type.singularize}_iid".to_sym
 

lib/api/triggers.rb

@@ -7,7 +7,7 @@ module API
     params do
       requires :id, type: String, desc: 'The ID of a project'
     end
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS  do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS  do
       desc 'Trigger a GitLab project pipeline' do
         success Entities::Pipeline
       end

lib/api/variables.rb

@@ -11,7 +11,7 @@ module API
       requires :id, type: String, desc: 'The ID of a project'
     end
 
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS  do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS  do
       desc 'Get project variables' do
         success Entities::Variable
       end

lib/api/wikis.rb

@@ -22,7 +22,7 @@ module API
       end
     end
 
-    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a list of wiki pages' do
         success Entities::WikiPageBasic
       end
@@ -103,7 +103,7 @@ module API
         requires :file, type: ::API::Validations::Types::SafeFile, desc: 'The attachment file to be uploaded'
         optional :branch, type: String, desc: 'The name of the branch'
       end
-      post ":id/wikis/attachments", requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      post ":id/wikis/attachments", requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         authorize! :create_wiki, user_project
 
         result = ::Wikis::CreateAttachmentService.new(user_project,

spec/requests/api/namespaces_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe API::Namespaces do
   let(:admin) { create(:admin) }
   let(:user) { create(:user) }
-  let!(:group1) { create(:group) }
+  let!(:group1) { create(:group, name: 'group.one') }
   let!(:group2) { create(:group, :nested) }
 
   describe "GET /namespaces" do