Class Gem::Security::TrustDir < Object

# File lib/rubygems/security/trust_dir.rb, line 8
def initialize dir, permissions = DEFAULT_PERMISSIONS
  @dir = dir
  @permissions = permissions

  @digester = Gem::Security::DIGEST_ALGORITHM
end

# File lib/rubygems/security/trust_dir.rb, line 20
def cert_path certificate
  name_path certificate.subject
end

# File lib/rubygems/security/trust_dir.rb, line 27
def each_certificate
  return enum_for __method__ unless block_given?

  glob = File.join @dir, '*.pem'

  Dir[glob].each do |certificate_file|
    begin
      certificate = load_certificate certificate_file

      yield certificate, certificate_file
    rescue OpenSSL::X509::CertificateError
      next # HACK warn
    end
  end
end

# File lib/rubygems/security/trust_dir.rb, line 47
def issuer_of certificate
  path = name_path certificate.issuer

  return unless File.exist? path

  load_certificate path
end

# File lib/rubygems/security/trust_dir.rb, line 67
def load_certificate certificate_file
  pem = File.read certificate_file

  OpenSSL::X509::Certificate.new pem
end

# File lib/rubygems/security/trust_dir.rb, line 58
def name_path name
  digest = @digester.hexdigest name.to_s

  File.join @dir, "cert-#{digest}.pem"
end

# File lib/rubygems/security/trust_dir.rb, line 76
def trust_cert certificate
  verify

  destination = cert_path certificate

  open destination, 'wb', @permissions[:trusted_cert] do |io|
    io.write certificate.to_pem
  end
end

# File lib/rubygems/security/trust_dir.rb, line 91
def verify
  if File.exist? @dir then
    raise Gem::Security::Exception,
      "trust directory #{@dir} is not a directory" unless
        File.directory? @dir

    FileUtils.chmod 0700, @dir
  else
    FileUtils.mkdir_p @dir, :mode => @permissions[:trust_dir]
  end
end