gitlab-org--gitlab-foss/app/models/pages_domain.rb
2018-07-26 16:55:41 -07:00

199 lines
4.8 KiB
Ruby

# frozen_string_literal: true
class PagesDomain < ActiveRecord::Base
VERIFICATION_KEY = 'gitlab-pages-verification-code'.freeze
VERIFICATION_THRESHOLD = 3.days.freeze
belongs_to :project
validates :domain, hostname: { allow_numeric_hostname: true }
validates :domain, uniqueness: { case_sensitive: false }
validates :certificate, presence: { message: 'must be present if HTTPS-only is enabled' }, if: ->(domain) { domain.project&.pages_https_only? }
validates :certificate, certificate: true, if: ->(domain) { domain.certificate.present? }
validates :key, presence: { message: 'must be present if HTTPS-only is enabled' }, if: ->(domain) { domain.project&.pages_https_only? }
validates :key, certificate_key: true, if: ->(domain) { domain.key.present? }
validates :verification_code, presence: true, allow_blank: false
validate :validate_pages_domain
validate :validate_matching_key, if: ->(domain) { domain.certificate.present? || domain.key.present? }
validate :validate_intermediates, if: ->(domain) { domain.certificate.present? }
attr_encrypted :key,
mode: :per_attribute_iv_and_salt,
insecure_mode: true,
key: Settings.attr_encrypted_db_key_base,
algorithm: 'aes-256-cbc'
after_initialize :set_verification_code
after_create :update_daemon
after_update :update_daemon, if: :pages_config_changed?
after_destroy :update_daemon
scope :enabled, -> { where('enabled_until >= ?', Time.now ) }
scope :needs_verification, -> do
verified_at = arel_table[:verified_at]
enabled_until = arel_table[:enabled_until]
threshold = Time.now + VERIFICATION_THRESHOLD
where(verified_at.eq(nil).or(enabled_until.eq(nil).or(enabled_until.lt(threshold))))
end
def verified?
!!verified_at
end
def unverified?
!verified?
end
def enabled?
!Gitlab::CurrentSettings.pages_domain_verification_enabled? || enabled_until.present?
end
def https?
certificate.present?
end
def to_param
domain
end
def url
return unless domain
if certificate.present?
"https://#{domain}"
else
"http://#{domain}"
end
end
def has_matching_key?
return false unless x509
return false unless pkey
# We compare the public key stored in certificate with public key from certificate key
x509.check_private_key(pkey)
end
def has_intermediates?
return false unless x509
# self-signed certificates doesn't have the certificate chain
return true if x509.verify(x509.public_key)
store = OpenSSL::X509::Store.new
store.set_default_paths
# This forces to load all intermediate certificates stored in `certificate`
Tempfile.open('certificate_chain') do |f|
f.write(certificate)
f.flush
store.add_file(f.path)
end
store.verify(x509)
rescue OpenSSL::X509::StoreError
false
end
def expired?
return false unless x509
current = Time.new
current < x509.not_before || x509.not_after < current
end
def expiration
x509&.not_after
end
def subject
return unless x509
x509.subject.to_s
end
def certificate_text
@certificate_text ||= x509.try(:to_text)
end
# Verification codes may be TXT records for domain or verification_domain, to
# support the use of CNAME records on domain.
def verification_domain
return unless domain.present?
"_#{VERIFICATION_KEY}.#{domain}"
end
def keyed_verification_code
return unless verification_code.present?
"#{VERIFICATION_KEY}=#{verification_code}"
end
private
def set_verification_code
return if self.verification_code.present?
self.verification_code = SecureRandom.hex(16)
end
def update_daemon
::Projects::UpdatePagesConfigurationService.new(project).execute
end
def pages_config_changed?
project_id_changed? ||
domain_changed? ||
certificate_changed? ||
key_changed? ||
became_enabled? ||
became_disabled?
end
def became_enabled?
enabled_until.present? && !enabled_until_was.present?
end
def became_disabled?
!enabled_until.present? && enabled_until_was.present?
end
def validate_matching_key
unless has_matching_key?
self.errors.add(:key, "doesn't match the certificate")
end
end
def validate_intermediates
unless has_intermediates?
self.errors.add(:certificate, 'misses intermediates')
end
end
def validate_pages_domain
return unless domain
if domain.downcase.ends_with?(Settings.pages.host.downcase)
self.errors.add(:domain, "*.#{Settings.pages.host} is restricted")
end
end
def x509
return unless certificate
@x509 ||= OpenSSL::X509::Certificate.new(certificate)
rescue OpenSSL::X509::CertificateError
nil
end
def pkey
return unless key
@pkey ||= OpenSSL::PKey::RSA.new(key)
rescue OpenSSL::PKey::PKeyError, OpenSSL::Cipher::CipherError
nil
end
end