Add endpoints for key regeneration

Enpoints are:

    POST /repos/:id/key

and

    POST /repos/:owner/:name/key

Both versions will replace current ssl key for given repo with the new
one.

Gemfile

@@ -4,7 +4,7 @@ source :rubygems
 gemspec
 
 gem 'travis-support',  github: 'travis-ci/travis-support'
-gem 'travis-core',     github: 'travis-ci/travis-core'
+gem 'travis-core',     github: 'travis-ci/travis-core', branch: 'regenerate-repo-key'
 gem 'travis-sidekiqs', github: 'travis-ci/travis-sidekiqs', require: nil, ref: 'cde9741'
 
 gem 'unicorn'

Gemfile.lock

@@ -42,7 +42,8 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: e1034dc248883d30e21518a4a65665abe4523fe8
+  revision: b9edfcd3de6a1cfcbe24747cbf2b0ee62847a4ab
+  branch: regenerate-repo-key
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.3)

lib/travis/api/app/endpoint/repos.rb

@@ -24,6 +24,10 @@ class Travis::Api::App
         respond_with service(:find_repo_key, params), version: :v2
       end
 
+      post '/:id/key' do
+        respond_with service(:regenerate_repo_key, params), version: :v2
+      end
+
       get '/:owner_name/:name' do
         respond_with service(:find_repo, params)
       end
@@ -43,6 +47,10 @@ class Travis::Api::App
       get '/:owner_name/:name/key' do
         respond_with service(:find_repo_key, params), version: :v2
       end
+
+      post '/:owner_name/:name/key' do
+        respond_with service(:regenerate_repo_key, params), version: :v2
+      end
     end
   end
 end

spec/integration/v2/repositories_spec.rb

@@ -6,6 +6,38 @@ describe 'Repos' do
   let(:repo)    { Repository.by_slug('svenfuchs/minimal').first }
   let(:headers) { { 'HTTP_ACCEPT' => 'application/vnd.travis-ci.2+json' } }
 
+  describe 'with authenticated user' do
+    let(:user)    { User.where(login: 'svenfuchs').first }
+    let(:token)   { Travis::Api::App::AccessToken.create(user: user, app_id: -1) }
+    let(:headers) { { 'HTTP_ACCEPT' => 'application/vnd.travis-ci.2+json', 'HTTP_AUTHORIZATION' => "token #{token}" } }
+
+    before { user.permissions.create!(:repository_id => repo.id, :push => true) }
+
+    it 'POST /repos/:id/key' do
+      expect {
+        response = post "/repos/#{repo.id}/key", {}, headers
+      }.to change { repo.reload.key.private_key }
+    end
+
+    it 'POST /repos/:owner/:name/key' do
+      expect {
+        response = post "/repos/#{repo.slug}/key", {}, headers
+      }.to change { repo.reload.key.private_key }
+    end
+  end
+
+  describe 'without authenticated user' do
+    it 'POST /repos/:id/key' do
+      response = post "/repos/#{repo.id}/key", {}, headers
+      response.should be_not_found
+    end
+
+    it 'POST /repos/:owner/:name/key' do
+      response = post "/repos/#{repo.id}/key", {}, headers
+      response.should be_not_found
+    end
+  end
+
   it 'GET /repos/:id/key' do
     response = get "/repos/#{repo.id}/key", {}, headers
     response.should deliver_json_for(repo.key, version: 'v2')