1 files changed, 109 insertions, 0 deletions
diff --git a/lib/api/v3/repositories.rb b/lib/api/v3/repositories.rb
new file mode 100644
index 00000000000..0eaa0de2eef
--- /dev/null
+++ b/lib/api/v3/repositories.rb
@@ -0,0 +1,109 @@
+require 'mime/types'
+
+module API
+  module V3
+    class Repositories < Grape::API
+      before { authorize! :download_code, user_project }
+
+      params do
+        requires :id, type: String, desc: 'The ID of a project'
+      end
+      resource :projects, requirements: { id: %r{[^/]+} } do
+        helpers do
+          def handle_project_member_errors(errors)
+            if errors[:project_access].any?
+              error!(errors[:project_access], 422)
+            end
+            not_found!
+          end
+        end
+
+        desc 'Get a project repository tree' do
+          success ::API::Entities::RepoTreeObject
+        end
+        params do
+          optional :ref_name, type: String, desc: 'The name of a repository branch or tag, if not given the default branch is used'
+          optional :path, type: String, desc: 'The path of the tree'
+          optional :recursive, type: Boolean, default: false, desc: 'Used to get a recursive tree'
+        end
+        get ':id/repository/tree' do
+          ref = params[:ref_name] || user_project.try(:default_branch) || 'master'
+          path = params[:path] || nil
+
+          commit = user_project.commit(ref)
+          not_found!('Tree') unless commit
+
+          tree = user_project.repository.tree(commit.id, path, recursive: params[:recursive])
+
+          present tree.sorted_entries, with: ::API::Entities::RepoTreeObject
+        end
+
+        desc 'Get a raw file contents'
+        params do
+          requires :sha, type: String, desc: 'The commit, branch name, or tag name'
+          requires :filepath, type: String, desc: 'The path to the file to display'
+        end
+        get [":id/repository/blobs/:sha", ":id/repository/commits/:sha/blob"] do
+          repo = user_project.repository
+          commit = repo.commit(params[:sha])
+          not_found! "Commit" unless commit
+          blob = Gitlab::Git::Blob.find(repo, commit.id, params[:filepath])
+          not_found! "File" unless blob
+          send_git_blob repo, blob
+        end
+
+        desc 'Get a raw blob contents by blob sha'
+        params do
+          requires :sha, type: String, desc: 'The commit, branch name, or tag name'
+        end
+        get ':id/repository/raw_blobs/:sha' do
+          repo = user_project.repository
+          begin
+            blob = Gitlab::Git::Blob.raw(repo, params[:sha])
+          rescue
+            not_found! 'Blob'
+          end
+          not_found! 'Blob' unless blob
+          send_git_blob repo, blob
+        end
+
+        desc 'Get an archive of the repository'
+        params do
+          optional :sha, type: String, desc: 'The commit sha of the archive to be downloaded'
+          optional :format, type: String, desc: 'The archive format'
+        end
+        get ':id/repository/archive', requirements: { format: Gitlab::PathRegex.archive_formats_regex } do
+          begin
+            send_git_archive user_project.repository, ref: params[:sha], format: params[:format]
+          rescue
+            not_found!('File')
+          end
+        end
+
+        desc 'Compare two branches, tags, or commits' do
+          success ::API::Entities::Compare
+        end
+        params do
+          requires :from, type: String, desc: 'The commit, branch name, or tag name to start comparison'
+          requires :to, type: String, desc: 'The commit, branch name, or tag name to stop comparison'
+        end
+        get ':id/repository/compare' do
+          compare = Gitlab::Git::Compare.new(user_project.repository.raw_repository, params[:from], params[:to])
+          present compare, with: ::API::Entities::Compare
+        end
+
+        desc 'Get repository contributors' do
+          success ::API::Entities::Contributor
+        end
+        get ':id/repository/contributors' do
+          begin
+            present user_project.repository.contributors,
+                    with: ::API::Entities::Contributor
+          rescue
+            not_found!
+          end
+        end
+      end
+    end
+  end
+end