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# frozen_string_literal: true
class Groups::DependencyProxyForContainersController < ::Groups::DependencyProxy::ApplicationController
include Gitlab::Utils::StrongMemoize
include DependencyProxy::GroupAccess
include SendFileUpload
include ::PackagesHelper # for event tracking
before_action :ensure_group
before_action :ensure_token_granted!
before_action :ensure_feature_enabled!
attr_reader :token
feature_category :dependency_proxy
def manifest
result = DependencyProxy::FindOrCreateManifestService.new(group, image, tag, token).execute
if result[:status] == :success
response.headers['Docker-Content-Digest'] = result[:manifest].digest
response.headers['Content-Length'] = result[:manifest].size
response.headers['Docker-Distribution-Api-Version'] = DependencyProxy::DISTRIBUTION_API_VERSION
response.headers['Etag'] = "\"#{result[:manifest].digest}\""
content_type = result[:manifest].content_type
event_name = tracking_event_name(object_type: :manifest, from_cache: result[:from_cache])
track_package_event(event_name, :dependency_proxy, namespace: group, user: auth_user)
send_upload(
result[:manifest].file,
proxy: true,
redirect_params: { query: { 'response-content-type' => content_type } },
send_params: { type: content_type }
)
else
render status: result[:http_status], json: result[:message]
end
end
def blob
result = DependencyProxy::FindOrCreateBlobService
.new(group, image, token, params[:sha]).execute
if result[:status] == :success
event_name = tracking_event_name(object_type: :blob, from_cache: result[:from_cache])
track_package_event(event_name, :dependency_proxy, namespace: group, user: auth_user)
send_upload(result[:blob].file)
else
head result[:http_status]
end
end
private
def group
strong_memoize(:group) do
Group.find_by_full_path(params[:group_id], follow_redirects: request.get?)
end
end
def image
params[:image]
end
def tag
params[:tag]
end
def tracking_event_name(object_type:, from_cache:)
event_name = "pull_#{object_type}"
event_name = "#{event_name}_from_cache" if from_cache
event_name
end
def dependency_proxy
@dependency_proxy ||=
group.dependency_proxy_setting || group.create_dependency_proxy_setting
end
def ensure_group
render_404 unless group
end
def ensure_feature_enabled!
render_404 unless dependency_proxy.enabled
end
def ensure_token_granted!
result = DependencyProxy::RequestTokenService.new(image).execute
if result[:status] == :success
@token = result[:token]
else
render status: result[:http_status], json: result[:message]
end
end
end
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