gitlab-org--gitlab-foss/lib/gitlab/x509/certificate.rb

101 lines
3 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module X509
class Certificate
CERT_REGEX = /-----BEGIN CERTIFICATE-----(?:.|\n)+?-----END CERTIFICATE-----/.freeze
attr_reader :key, :cert, :ca_certs
def key_string
key.to_s
end
def cert_string
cert.to_pem
end
def ca_certs_string
ca_certs.map(&:to_pem).join('\n') unless ca_certs.blank?
end
class << self
include ::Gitlab::Utils::StrongMemoize
end
def self.default_cert_dir
strong_memoize(:default_cert_dir) do
ENV.fetch('SSL_CERT_DIR', OpenSSL::X509::DEFAULT_CERT_DIR)
end
end
def self.default_cert_file
strong_memoize(:default_cert_file) do
ENV.fetch('SSL_CERT_FILE', OpenSSL::X509::DEFAULT_CERT_FILE)
end
end
def self.from_strings(key_string, cert_string, ca_certs_string = nil)
key = OpenSSL::PKey::RSA.new(key_string)
cert = OpenSSL::X509::Certificate.new(cert_string)
ca_certs = load_ca_certs_bundle(ca_certs_string)
new(key, cert, ca_certs)
end
def self.from_files(key_path, cert_path, ca_certs_path = nil)
ca_certs_string = File.read(ca_certs_path) if ca_certs_path
from_strings(File.read(key_path), File.read(cert_path), ca_certs_string)
end
# Returns all top-level, readable files in the default CA cert directory
def self.ca_certs_paths
cert_paths = Dir["#{default_cert_dir}/*"].select do |path|
!File.directory?(path) && File.readable?(path)
end
cert_paths << default_cert_file if File.exist? default_cert_file
cert_paths
end
# Returns a concatenated array of Strings, each being a PEM-coded CA certificate.
def self.ca_certs_bundle
strong_memoize(:ca_certs_bundle) do
ca_certs_paths.flat_map do |cert_file|
load_ca_certs_bundle(File.read(cert_file))
rescue OpenSSL::OpenSSLError => e
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e, cert_file: cert_file)
end.uniq.join("\n")
end
end
def self.reset_ca_certs_bundle
clear_memoization(:ca_certs_bundle)
end
def self.reset_default_cert_paths
clear_memoization(:default_cert_dir)
clear_memoization(:default_cert_file)
end
# Returns an array of OpenSSL::X509::Certificate objects, empty array if none found
#
# Ruby OpenSSL::X509::Certificate.new will only load the first
# certificate if a bundle is presented, this allows to parse multiple certs
# in the same file
def self.load_ca_certs_bundle(ca_certs_string)
return [] unless ca_certs_string
ca_certs_string.scan(CERT_REGEX).map do |ca_cert_string|
OpenSSL::X509::Certificate.new(ca_cert_string)
end
end
def initialize(key, cert, ca_certs = nil)
@key = key
@cert = cert
@ca_certs = ca_certs
end
end
end
end