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cert_command.rb

require 'rubygems/command'
require 'rubygems/security'
require 'openssl'

class Gem::Commands::CertCommand < Gem::Command

def initialize
    super 'cert', 'Manage RubyGems certificates and signing settings',
          :add => [], :remove => [], :list => [], :build => [], :sign => []

OptionParser.accept OpenSSL::X509::Certificate do |certificate|
      begin
        OpenSSL::X509::Certificate.new File.read certificate
      rescue Errno::ENOENT
        raise OptionParser::InvalidArgument, "#{certificate}: does not exist"
      rescue OpenSSL::X509::CertificateError
        raise OptionParser::InvalidArgument,
          "#{certificate}: invalid X509 certificate"
      end
    end

OptionParser.accept OpenSSL::PKey::RSA do |key_file|
      begin
        key = OpenSSL::PKey::RSA.new File.read key_file
      rescue Errno::ENOENT
        raise OptionParser::InvalidArgument, "#{key_file}: does not exist"
      rescue OpenSSL::PKey::RSAError
        raise OptionParser::InvalidArgument, "#{key_file}: invalid RSA key"
      end

raise OptionParser::InvalidArgument,
            "#{key_file}: private key not found" unless key.private?

key
    end

add_option('-a', '--add CERT', OpenSSL::X509::Certificate,
               'Add a trusted certificate.') do |cert, options|
      options[:add] << cert
    end

add_option('-l', '--list [FILTER]',
               'List trusted certificates where the',
               'subject contains FILTER') do |filter, options|
      filter ||= ''

options[:list] << filter
    end

add_option('-r', '--remove FILTER',
               'Remove trusted certificates where the',
               'subject contains FILTER') do |filter, options|
      options[:remove] << filter
    end

add_option('-b', '--build EMAIL_ADDR',
               'Build private key and self-signed',
               'certificate for EMAIL_ADDR') do |email_address, options|
      options[:build] << email_address
    end

add_option('-C', '--certificate CERT', OpenSSL::X509::Certificate,
               'Signing certificate for --sign') do |cert, options|
      options[:issuer_cert] = cert
    end

add_option('-K', '--private-key KEY', OpenSSL::PKey::RSA,
               'Key for --sign or --build') do |key, options|
      options[:key] = key
    end

add_option('-s', '--sign CERT',
               'Signs CERT with the key from -K',
               'and the certificate from -C') do |cert_file, options|
      raise OptionParser::InvalidArgument, "#{cert_file}: does not exist" unless
        File.file? cert_file

options[:sign] << cert_file
    end
  end

def execute
    options[:add].each do |certificate|
      Gem::Security.trust_dir.trust_cert certificate

say "Added '#{certificate.subject}'"
    end

options[:remove].each do |filter|
      certificates_matching filter do |certificate, path|
        FileUtils.rm path
        say "Removed '#{certificate.subject}'"
      end
    end

options[:list].each do |filter|
      certificates_matching filter do |certificate, _|
        # this could probably be formatted more gracefully
        say certificate.subject.to_s
      end
    end

options[:build].each do |name|
      build name
    end

unless options[:sign].empty? then
      load_default_cert unless options[:issuer_cert]
      load_default_key  unless options[:key]
    end

options[:sign].each do |cert_file|
      sign cert_file
    end
  end

def build name
    key = options[:key] || Gem::Security.create_key

cert = Gem::Security.create_cert_email name, key

key_path  = Gem::Security.write key, "gem-private_key.pem"
    cert_path = Gem::Security.write cert, "gem-public_cert.pem"

say "Certificate: #{cert_path}"
    say "Private Key: #{key_path}"
    say "Don't forget to move the key file to somewhere private!"
  end

def certificates_matching filter
    return enum_for __method__, filter unless block_given?

Gem::Security.trusted_certificates.select do |certificate, _|
      subject = certificate.subject.to_s
      subject.downcase.index filter
    end.sort_by do |certificate, _|
      certificate.subject.to_a.map { |name, data,| [name, data] }
    end.each do |certificate, path|
      yield certificate, path
    end
  end

def description # :nodoc:
    <<-EOF
The cert command manages signing keys and certificates for creating signed
gems.  Your signing certificate and private key are typically stored in
~/.gem/gem-public_cert.pem and ~/.gem/gem-private_key.pem respectively.

To build a certificate for signing gems:

gem cert --build you@example

If you already have an RSA key, or are creating a new certificate for an
existing key:

gem cert --build you@example --private-key /path/to/key.pem

If you wish to trust a certificate you can add it to the trust list with:

gem cert --add /path/to/cert.pem

You can list trusted certificates with:

gem cert --list

or:

gem cert --list cert_subject_substring

If you wish to remove a previously trusted certificate:

gem cert --remove cert_subject_substring

To sign another gem author's certificate:

gem cert --sign /path/to/other_cert.pem

For further reading on signing gems see `ri Gem::Security`.
    EOF
  end

def load_default_cert
    cert_file = File.join Gem.default_cert_path
    cert = File.read cert_file
    options[:issuer_cert] = OpenSSL::X509::Certificate.new cert
  rescue Errno::ENOENT
    alert_error \
      "--certificate not specified and ~/.gem/gem-public_cert.pem does not exist"

terminate_interaction 1
  rescue OpenSSL::X509::CertificateError
    alert_error \
      "--certificate not specified and ~/.gem/gem-public_cert.pem is not valid"

terminate_interaction 1
  end

def load_default_key
    key_file = File.join Gem.default_key_path
    key = File.read key_file
    options[:key] = OpenSSL::PKey::RSA.new key
  rescue Errno::ENOENT
    alert_error \
      "--private-key not specified and ~/.gem/gem-private_key.pem does not exist"

terminate_interaction 1
  rescue OpenSSL::PKey::RSAError
    alert_error \
      "--private-key not specified and ~/.gem/gem-private_key.pem is not valid"

terminate_interaction 1
  end

def sign cert_file
    cert = File.read cert_file
    cert = OpenSSL::X509::Certificate.new cert

permissions = File.stat(cert_file).mode & 0777

issuer_cert = options[:issuer_cert]
    issuer_key = options[:key]

cert = Gem::Security.sign cert, issuer_key, issuer_cert

Gem::Security.write cert, cert_file, permissions
  end

end

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/linksafe	0755	2024-03-03 10:43:42
..	dir	-	root/linksafe	0755	2024-03-03 10:43:42
build_command.rb	text/x-ruby	859 B	root/linksafe	0644	2012-11-29 06:52:18
cert_command.rb	text/x-ruby	6.41 KB	root/linksafe	0644	2013-06-21 04:16:31
check_command.rb	text/x-ruby	2.01 KB	root/linksafe	0644	2012-12-23 12:35:09
cleanup_command.rb	text/x-ruby	3.85 KB	root/linksafe	0644	2013-01-04 10:58:15
contents_command.rb	text/x-ruby	3.12 KB	root/linksafe	0644	2012-11-30 12:23:15
dependency_command.rb	text/x-ruby	3.89 KB	root/linksafe	0644	2012-11-29 06:52:18
environment_command.rb	text/x-ruby	4.16 KB	root/linksafe	0644	2012-11-29 06:52:18
fetch_command.rb	text/x-ruby	1.49 KB	root/linksafe	0644	2013-09-15 02:23:26
generate_index_command.rb	text/x-ruby	2.52 KB	root/linksafe	0644	2012-11-29 06:52:18
help_command.rb	text/x-ruby	4.56 KB	root/linksafe	0644	2013-07-22 04:33:18
install_command.rb	text/x-ruby	5.45 KB	root/linksafe	0644	2012-12-06 05:26:46
list_command.rb	text/x-ruby	696 B	root/linksafe	0644	2013-07-22 04:33:18
lock_command.rb	text/x-ruby	2.67 KB	root/linksafe	0644	2012-11-29 06:52:18
mirror_command.rb	text/x-ruby	395 B	root/linksafe	0644	2012-11-29 06:52:18
outdated_command.rb	text/x-ruby	866 B	root/linksafe	0644	2012-11-29 06:52:18
owner_command.rb	text/x-ruby	1.84 KB	root/linksafe	0644	2013-07-22 04:33:18
pristine_command.rb	text/x-ruby	3.66 KB	root/linksafe	0644	2013-08-16 03:35:06
push_command.rb	text/x-ruby	2.02 KB	root/linksafe	0644	2013-07-22 04:33:18
query_command.rb	text/x-ruby	8.03 KB	root/linksafe	0644	2013-07-25 03:42:22
rdoc_command.rb	text/x-ruby	2.31 KB	root/linksafe	0644	2012-12-14 05:09:37
search_command.rb	text/x-ruby	616 B	root/linksafe	0644	2013-07-25 03:42:22
server_command.rb	text/x-ruby	2.35 KB	root/linksafe	0644	2012-11-29 06:52:18
setup_command.rb	text/x-ruby	12.94 KB	root/linksafe	0644	2013-07-22 04:33:18
sources_command.rb	text/x-ruby	3.62 KB	root/linksafe	0644	2013-03-17 02:18:23
specification_command.rb	text/x-ruby	2.93 KB	root/linksafe	0644	2013-07-22 04:33:18
stale_command.rb	text/x-ruby	704 B	root/linksafe	0644	2011-07-27 01:40:07
uninstall_command.rb	text/x-ruby	3.07 KB	root/linksafe	0644	2012-12-06 05:26:46
unpack_command.rb	text/x-ruby	4.06 KB	root/linksafe	0644	2012-11-29 06:52:18
update_command.rb	text/x-ruby	5.8 KB	root/linksafe	0644	2013-07-22 04:33:18
which_command.rb	text/x-ruby	1.87 KB	root/linksafe	0644	2011-07-27 01:40:07
yank_command.rb	text/x-ruby	2.4 KB	root/linksafe	0644	2012-11-29 08:10:23