Fix API::Namespaces to accept namepaces with dots

It also renames the API::PROJECT_ENDPOINT_REQUIREMENTS constant to
API::NAMESPACE_OR_PROJECT_REQUIREMENTS

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