125 lines
3 KiB
Ruby
125 lines
3 KiB
Ruby
# frozen_string_literal: true
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class Projects::LfsApiController < Projects::GitHttpClientController
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include LfsRequest
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LFS_TRANSFER_CONTENT_TYPE = 'application/octet-stream'.freeze
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skip_before_action :lfs_check_access!, only: [:deprecated]
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before_action :lfs_check_batch_operation!, only: [:batch]
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def batch
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unless objects.present?
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render_lfs_not_found
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return
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end
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if download_request?
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render json: { objects: download_objects! }
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elsif upload_request?
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render json: { objects: upload_objects! }
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else
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raise "Never reached"
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end
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end
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def deprecated
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render(
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json: {
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message: 'Server supports batch API only, please update your Git LFS client to version 1.0.1 and up.',
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documentation_url: "#{Gitlab.config.gitlab.url}/help"
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},
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status: :not_implemented
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)
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end
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private
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def download_request?
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params[:operation] == 'download'
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end
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def upload_request?
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params[:operation] == 'upload'
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def existing_oids
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@existing_oids ||= begin
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project.all_lfs_objects.where(oid: objects.map { |o| o['oid'].to_s }).pluck(:oid)
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def download_objects!
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objects.each do |object|
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if existing_oids.include?(object[:oid])
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object[:actions] = download_actions(object)
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if Guest.can?(:download_code, project)
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object[:authenticated] = true
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end
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else
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object[:error] = {
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code: 404,
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message: "Object does not exist on the server or you don't have permissions to access it"
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}
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end
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end
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objects
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end
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def upload_objects!
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objects.each do |object|
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object[:actions] = upload_actions(object) unless existing_oids.include?(object[:oid])
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end
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objects
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end
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def download_actions(object)
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{
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download: {
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href: "#{project.http_url_to_repo}/gitlab-lfs/objects/#{object[:oid]}",
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header: {
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Authorization: request.headers['Authorization']
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}.compact
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}
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}
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end
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def upload_actions(object)
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{
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upload: {
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href: "#{project.http_url_to_repo}/gitlab-lfs/objects/#{object[:oid]}/#{object[:size]}",
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header: {
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Authorization: request.headers['Authorization'],
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# git-lfs v2.5.0 sets the Content-Type based on the uploaded file. This
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# ensures that Workhorse can intercept the request.
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'Content-Type': LFS_TRANSFER_CONTENT_TYPE
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}.compact
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}
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}
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end
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def lfs_check_batch_operation!
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if batch_operation_disallowed?
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render(
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json: {
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message: lfs_read_only_message
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},
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content_type: LfsRequest::CONTENT_TYPE,
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status: 403
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)
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end
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end
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# Overridden in EE
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def batch_operation_disallowed?
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upload_request? && Gitlab::Database.read_only?
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end
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# Overridden in EE
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def lfs_read_only_message
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_('You cannot write to this read-only GitLab instance.')
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end
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end
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