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# frozen_string_literal: true
module Gitlab
module Ci
module Components
class InstancePath
include Gitlab::Utils::StrongMemoize
LATEST_VERSION_KEYWORD = '~latest'
def self.match?(address)
address.include?('@') && address.start_with?(Settings.gitlab_ci['component_fqdn'])
end
attr_reader :host
def initialize(address:, content_filename:)
@full_path, @version = address.to_s.split('@', 2)
@content_filename = content_filename
@host = Settings.gitlab_ci['component_fqdn']
end
def fetch_content!(current_user:)
return unless project
return unless sha
raise Gitlab::Access::AccessDeniedError unless Ability.allowed?(current_user, :download_code, project)
project.repository.blob_data_at(sha, project_file_path)
end
def project
find_project_by_component_path(instance_path)
end
strong_memoize_attr :project
def project_file_path
return unless project
component_dir = instance_path.delete_prefix(project.full_path)
File.join(component_dir, @content_filename).delete_prefix('/')
end
def sha
return unless project
return latest_version_sha if version == LATEST_VERSION_KEYWORD
project.commit(version)&.id
end
strong_memoize_attr :sha
private
attr_reader :version, :path
def instance_path
@full_path.delete_prefix(host)
end
# Given a path like "my-org/sub-group/the-project/path/to/component"
# find the project "my-org/sub-group/the-project" by looking at all possible paths.
def find_project_by_component_path(path)
possible_paths = [path]
while index = path.rindex('/') # find index of last `/` in a path
possible_paths << (path = path[0..index - 1])
end
# remove shortest path as it is group
possible_paths.pop
::Project.where_full_path_in(possible_paths).take # rubocop: disable CodeReuse/ActiveRecord
end
def latest_version_sha
project.releases.latest&.sha
end
end
end
end
end
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