Allow dots in Jira DVCS API URLs

This moves the `requirements` options to the top-level
route so that all routes inherit the option

ee/changelogs/unreleased/5868-allow-dots-in-jira-api-url.yml

+---
+title: Fix Jira DVCS integration not working when project name has dots
+merge_request: 14855
+author:
+type: fixed

ee/lib/api/v3/github.rb

@@ -10,8 +10,11 @@ module API
     class Github < Grape::API
       JIRA_DEV_PANEL_FEATURE = :jira_dev_panel_integration.freeze
       NO_SLASH_URL_PART_REGEX = %r{[^/]+}.freeze
-      NAMESPACE_ENDPOINT_REQUIREMENTS = { namespace: NO_SLASH_URL_PART_REGEX }.freeze
-      PROJECT_ENDPOINT_REQUIREMENTS = NAMESPACE_ENDPOINT_REQUIREMENTS.merge(project: NO_SLASH_URL_PART_REGEX).freeze
+      ENDPOINT_REQUIREMENTS = {
+        namespace: NO_SLASH_URL_PART_REGEX,
+        project: NO_SLASH_URL_PART_REGEX,
+        username: NO_SLASH_URL_PART_REGEX
+      }.freeze
 
       # Used to differentiate Jira Cloud requests from Jira Server requests
       # Jira Cloud user agent format: Jira DVCS Connector Vertigo/version
@@ -90,7 +93,7 @@ module API
       end
 
       resource :orgs do
-        get ':namespace/repos', requirements: NAMESPACE_ENDPOINT_REQUIREMENTS do
+        get ':namespace/repos' do
           present []
         end
       end
@@ -106,7 +109,7 @@ module API
           use :pagination
         end
 
-        get ':namespace/repos', requirements: NAMESPACE_ENDPOINT_REQUIREMENTS do
+        get ':namespace/repos' do
           namespace = Namespace.find_by_full_path(params[:namespace])
           not_found!('Namespace') unless namespace
 
@@ -147,7 +150,7 @@ module API
         params do
           use :project_full_path
         end
-        get ':namespace/:project/pulls', requirements: PROJECT_ENDPOINT_REQUIREMENTS do
+        get ':namespace/:project/pulls' do
           user_project = find_project_with_access(params)
 
           merge_requests = MergeRequestsFinder.new(current_user, authorized_only: true, project_id: user_project.id).execute
@@ -158,7 +161,7 @@ module API
         params do
           use :project_full_path
         end
-        get ':namespace/:project/pulls/:id', requirements: PROJECT_ENDPOINT_REQUIREMENTS do
+        get ':namespace/:project/pulls/:id' do
           mr = find_merge_request_with_access(params[:id])
 
           present mr, with: ::API::Github::Entities::PullRequest
@@ -200,7 +203,7 @@ module API
           use :project_full_path
           use :pagination
         end
-        get ':namespace/:project/branches', requirements: PROJECT_ENDPOINT_REQUIREMENTS do
+        get ':namespace/:project/branches' do
           user_project = find_project_with_access(params)
 
           update_project_feature_usage_for(user_project)
@@ -213,7 +216,7 @@ module API
         params do
           use :project_full_path
         end
-        get ':namespace/:project/commits/:sha', requirements: PROJECT_ENDPOINT_REQUIREMENTS do
+        get ':namespace/:project/commits/:sha' do
           user_project = find_project_with_access(params)
 
           commit = user_project.commit(params[:sha])

ee/lib/ee/api/endpoints.rb

@@ -41,7 +41,9 @@ module EE
           # they're not deprecated neither should be removed when V3 get
           # removed.  They're needed as a layer to integrate with Jira
           # Development Panel.
-          mount ::API::V3::Github
+          namespace '/', requirements: ::API::V3::Github::ENDPOINT_REQUIREMENTS do
+            mount ::API::V3::Github
+          end
         end
       end
     end

ee/spec/requests/api/v3/github_spec.rb

@@ -122,7 +122,7 @@ describe API::V3::Github do
     end
 
     describe 'GET /users/:username' do
-      let!(:user1) { create(:user, username: 'jane') }
+      let!(:user1) { create(:user, username: 'jane.porter') }
 
       before do
         stub_licensed_features(jira_dev_panel_integration: true)
@@ -130,7 +130,7 @@ describe API::V3::Github do
 
       context 'user exists' do
         it 'responds with the expected user' do
-          jira_get v3_api('/users/jane', user)
+          jira_get v3_api("/users/#{user.username}", user)
 
           expect(response).to have_gitlab_http_status(200)
           expect(response).to match_response_schema('entities/github/user', dir: 'ee')
@@ -154,7 +154,7 @@ describe API::V3::Github do
         end
 
         it 'responds with forbidden' do
-          jira_get v3_api('/users/jane', unauthorized_user)
+          jira_get v3_api("/users/#{user.username}", unauthorized_user)
 
           expect(response).to have_gitlab_http_status(403)
         end
@@ -163,7 +163,7 @@ describe API::V3::Github do
 
     describe 'GET events' do
       let(:group) { create(:group) }
-      let(:project) { create(:project, :empty_repo, group: group) }
+      let(:project) { create(:project, :empty_repo, path: 'project.with.dot', group: group) }
       let(:events_path) { "/repos/#{group.path}/#{project.path}/events" }
 
       before do