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|
# frozen_string_literal: true
module Repositories
class LfsApiController < Repositories::GitHttpClientController
include LfsRequest
include Gitlab::Utils::StrongMemoize
LFS_TRANSFER_CONTENT_TYPE = 'application/octet-stream'
skip_before_action :lfs_check_access!, only: [:deprecated]
before_action :lfs_check_batch_operation!, only: [:batch]
def batch
unless objects.present?
render_lfs_not_found
return
end
if download_request?
render json: { objects: download_objects! }, content_type: LfsRequest::CONTENT_TYPE
elsif upload_request?
render json: { objects: upload_objects! }, content_type: LfsRequest::CONTENT_TYPE
else
raise "Never reached"
end
end
def deprecated
render(
json: {
message: _('Server supports batch API only, please update your Git LFS client to version 1.0.1 and up.'),
documentation_url: "#{Gitlab.config.gitlab.url}/help"
},
content_type: LfsRequest::CONTENT_TYPE,
status: :not_implemented
)
end
private
def download_request?
params[:operation] == 'download'
end
def upload_request?
params[:operation] == 'upload'
end
def download_objects!
existing_oids = project.lfs_objects_oids(oids: objects_oids)
objects.each do |object|
if existing_oids.include?(object[:oid])
object[:actions] = download_actions(object)
if Guest.can?(:download_code, project)
object[:authenticated] = true
end
else
object[:error] = {
code: 404,
message: _("Object does not exist on the server or you don't have permissions to access it")
}
end
end
objects
end
def upload_objects!
existing_oids = project.lfs_objects_oids(oids: objects_oids)
objects.each do |object|
object[:actions] = upload_actions(object) unless existing_oids.include?(object[:oid])
end
objects
end
def download_actions(object)
{
download: {
href: "#{project.http_url_to_repo}/gitlab-lfs/objects/#{object[:oid]}",
header: {
Authorization: authorization_header
}.compact
}
}
end
def upload_actions(object)
{
upload: {
href: "#{upload_http_url_to_repo}/gitlab-lfs/objects/#{object[:oid]}/#{object[:size]}",
header: upload_headers
}
}
end
# Overridden in EE
def upload_http_url_to_repo
project.http_url_to_repo
end
def upload_headers
{
Authorization: authorization_header,
# git-lfs v2.5.0 sets the Content-Type based on the uploaded file. This
# ensures that Workhorse can intercept the request.
'Content-Type': LFS_TRANSFER_CONTENT_TYPE,
'Transfer-Encoding': 'chunked'
}
end
def lfs_check_batch_operation!
if batch_operation_disallowed?
render(
json: {
message: lfs_read_only_message
},
content_type: LfsRequest::CONTENT_TYPE,
status: :forbidden
)
end
end
# Overridden in EE
def batch_operation_disallowed?
upload_request? && Gitlab::Database.read_only?
end
# Overridden in EE
def lfs_read_only_message
_('You cannot write to this read-only GitLab instance.')
end
def authorization_header
strong_memoize(:authorization_header) do
lfs_auth_header || request.headers['Authorization']
end
end
def lfs_auth_header
return unless user.is_a?(User)
Gitlab::LfsToken.new(user).basic_encoding
end
end
end
Repositories::LfsApiController.prepend_mod_with('Repositories::LfsApiController')
|
