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module CertificateAuthority
module Extensions
module ExtensionAPI
def to_s
raise "Implementation required"
end
def self.parse(value, critical)
raise "Implementation required"
end
def config_extensions
{}
end
def openssl_identifier
raise "Implementation required"
end
def ==(value)
raise "Implementation required"
end
end
# Specifies whether an X.509v3 certificate can act as a CA, signing other
# certificates to be verified. If set, a path length constraint can also be
# specified.
# Reference: Section 4.2.1.10 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.10
class BasicConstraints
OPENSSL_IDENTIFIER = "basicConstraints"
include ExtensionAPI
include ActiveModel::Validations
attr_accessor :critical
attr_accessor :ca
attr_accessor :path_len
validates :critical, :inclusion => [true,false]
validates :ca, :inclusion => [true,false]
def initialize
@critical = false
@ca = false
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def is_ca?
@ca
end
def path_len=(value)
raise "path_len must be a non-negative integer" if value < 0 or !value.is_a?(Fixnum)
@path_len = value
end
def to_s
res = []
res << "CA:#{@ca}"
res << "pathlen:#{@path_len}" unless @path_len.nil?
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
value.split(/,\s*/).each do |v|
c = v.split(':', 2)
obj.ca = (c.last.upcase == "TRUE") if c.first == "CA"
obj.path_len = c.last.to_i if c.first == "pathlen"
end
obj
end
protected
def state
[@critical,@ca,@path_len]
end
end
# Specifies where CRL information be be retrieved. This extension isn't
# critical, but is recommended for proper CAs.
# Reference: Section 4.2.1.14 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.14
class CrlDistributionPoints
OPENSSL_IDENTIFIER = "crlDistributionPoints"
include ExtensionAPI
attr_accessor :critical
attr_accessor :uris
def initialize
@critical = false
@uris = []
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
## NB: At this time it seems OpenSSL's extension handlers don't support
## any of the config options the docs claim to support... everything comes back
## "missing value" on GENERAL NAME. Even if copied verbatim
def config_extensions
{
# "custom_crl_fields" => {"fullname" => "URI:#{fullname}"},
# "issuer_sect" => {"CN" => "crlissuer.com", "C" => "US", "O" => "shudder"}
}
end
# This is for legacy support. Technically it can (and probably should)
# be an array. But if someone is calling the old accessor we shouldn't
# necessarily break it.
def uri=(value)
@uris << value
end
def to_s
res = []
@uris.each do |uri|
res << "URI:#{uri}"
end
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
value.split(/,\s*/).each do |v|
c = v.split(':', 2)
obj.uris << c.last if c.first == "URI"
end
obj
end
protected
def state
[@critical,@uri]
end
end
# Identifies the public key associated with a given certificate.
# Should be required for "CA" certificates.
# Reference: Section 4.2.1.2 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.2
class SubjectKeyIdentifier
OPENSSL_IDENTIFIER = "subjectKeyIdentifier"
include ExtensionAPI
attr_accessor :critical
attr_accessor :identifier
def initialize
@critical = false
@identifier = "hash"
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res << @identifier
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.identifier = value
obj
end
protected
def state
[@critical,@identifier]
end
end
# Identifies the public key associated with a given private key.
# Reference: Section 4.2.1.1 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.1
class AuthorityKeyIdentifier
OPENSSL_IDENTIFIER = "authorityKeyIdentifier"
include ExtensionAPI
attr_accessor :critical
attr_accessor :identifier
def initialize
@critical = false
@identifier = ["keyid", "issuer"]
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res += @identifier
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.identifier = value.split(/,\s*/).last.chomp
obj
end
protected
def state
[@critical,@identifier]
end
end
# Specifies how to access CA information and services for the CA that
# issued this certificate.
# Generally used to specify OCSP servers.
# Reference: Section 4.2.2.1 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.2.1
class AuthorityInfoAccess
OPENSSL_IDENTIFIER = "authorityInfoAccess"
include ExtensionAPI
attr_accessor :critical
attr_accessor :ocsp
attr_accessor :ca_issuers
def initialize
@critical = false
@ocsp = []
@ca_issuers = []
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res += @ocsp.map {|o| "OCSP;URI:#{o}" }
res += @ca_issuers.map {|c| "caIssuers;URI:#{c}" }
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
value.split("\n").each do |v|
if v.starts_with?("OCSP")
obj.ocsp << v.split.last
end
if v.starts_with?("CA Issuers")
obj.ca_issuers << v.split.last
end
end
obj
end
protected
def state
[@critical,@ocsp,@ca_issuers]
end
end
# Specifies the allowed usage purposes of the keypair specified in this certificate.
# Reference: Section 4.2.1.3 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.3
#
# Note: OpenSSL when parsing an extension will return results in the form
# 'Digital Signature', but on signing you have to set it to 'digitalSignature'.
# So copying an extension from an imported cert isn't going to work yet.
class KeyUsage
OPENSSL_IDENTIFIER = "keyUsage"
include ExtensionAPI
attr_accessor :critical
attr_accessor :usage
def initialize
@critical = false
@usage = ["digitalSignature", "nonRepudiation"]
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res += @usage
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.usage = value.split(/,\s*/)
obj
end
protected
def state
[@critical,@usage]
end
end
# Specifies even more allowed usages in addition to what is specified in
# the Key Usage extension.
# Reference: Section 4.2.1.13 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.13
class ExtendedKeyUsage
OPENSSL_IDENTIFIER = "extendedKeyUsage"
include ExtensionAPI
attr_accessor :critical
attr_accessor :usage
def initialize
@critical = false
@usage = ["serverAuth"]
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res += @usage
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.usage = value.split(/,\s*/)
obj
end
protected
def state
[@critical,@usage]
end
end
# Specifies additional "names" for which this certificate is valid.
# Reference: Section 4.2.1.7 of RFC3280
# http://tools.ietf.org/html/rfc3280#section-4.2.1.7
class SubjectAlternativeName
OPENSSL_IDENTIFIER = "subjectAltName"
include ExtensionAPI
attr_accessor :critical
attr_accessor :uris, :dns_names, :ips, :emails
def initialize
@critical = false
@uris = []
@dns_names = []
@ips = []
@emails = []
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def uris=(value)
raise "URIs must be an array" unless value.is_a?(Array)
@uris = value
end
def dns_names=(value)
raise "DNS names must be an array" unless value.is_a?(Array)
@dns_names = value
end
def ips=(value)
raise "IPs must be an array" unless value.is_a?(Array)
@ips = value
end
def emails=(value)
raise "Emails must be an array" unless value.is_a?(Array)
@emails = value
end
def to_s
res = []
res += @uris.map {|u| "URI:#{u}" }
res += @dns_names.map {|d| "DNS:#{d}" }
res += @ips.map {|i| "IP:#{i}" }
res += @emails.map {|i| "email:#{i}" }
res.join(',')
end
def ==(o)
o.class == self.class && o.state == state
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
value.split(/,\s*/).each do |v|
c = v.split(':', 2)
obj.uris << c.last if c.first == "URI"
obj.dns_names << c.last if c.first == "DNS"
obj.ips << c.last if c.first == "IP"
obj.emails << c.last if c.first == "EMAIL"
end
obj
end
protected
def state
[@critical,@uris,@dns_names,@ips,@emails]
end
end
class CertificatePolicies
OPENSSL_IDENTIFIER = "certificatePolicies"
include ExtensionAPI
attr_accessor :critical
attr_accessor :policy_identifier
attr_accessor :cps_uris
##User notice
attr_accessor :explicit_text
attr_accessor :organization
attr_accessor :notice_numbers
def initialize
self.critical = false
@contains_data = false
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def user_notice=(value={})
value.keys.each do |key|
self.send("#{key}=".to_sym, value[key])
end
end
def config_extensions
config_extension = {}
custom_policies = {}
notice = {}
unless self.policy_identifier.nil?
custom_policies["policyIdentifier"] = self.policy_identifier
end
if !self.cps_uris.nil? and self.cps_uris.is_a?(Array)
self.cps_uris.each_with_index do |cps_uri,i|
custom_policies["CPS.#{i}"] = cps_uri
end
end
unless self.explicit_text.nil?
notice["explicitText"] = self.explicit_text
end
unless self.organization.nil?
notice["organization"] = self.organization
end
unless self.notice_numbers.nil?
notice["noticeNumbers"] = self.notice_numbers
end
if notice.keys.size > 0
custom_policies["userNotice.1"] = "@notice"
config_extension["notice"] = notice
end
if custom_policies.keys.size > 0
config_extension["custom_policies"] = custom_policies
@contains_data = true
end
config_extension
end
def to_s
return "" unless @contains_data
res = []
res << "ia5org"
res += @config_extensions["custom_policies"] unless @config_extensions.nil?
res.join(',')
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
value.split(/,\s*/).each do |v|
c = v.split(':', 2)
obj.policy_identifier = c.last if c.first == "policyIdentifier"
obj.cps_uris << c.last if c.first =~ %r{CPS.\d+}
# TODO: explicit_text, organization, notice_numbers
end
obj
end
end
# DEPRECATED
# Specifics the purposes for which a certificate can be used.
# The basicConstraints, keyUsage, and extendedKeyUsage extensions are now used instead.
# https://www.openssl.org/docs/apps/x509v3_config.html#Netscape_Certificate_Type
class NetscapeCertificateType
OPENSSL_IDENTIFIER = "nsCertType"
include ExtensionAPI
attr_accessor :critical
attr_accessor :flags
def initialize
self.critical = false
self.flags = []
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res += self.flags
res.join(',')
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.flags = value.split(/,\s*/)
obj
end
end
# DEPRECATED
# Contains a comment which will be displayed when the certificate is viewed in some browsers.
# https://www.openssl.org/docs/apps/x509v3_config.html#Netscape_String_extensions_
class NetscapeComment
OPENSSL_IDENTIFIER = "nsComment"
include ExtensionAPI
attr_accessor :critical
attr_accessor :comment
def initialize
self.critical = false
end
def openssl_identifier
OPENSSL_IDENTIFIER
end
def to_s
res = []
res << self.comment if self.comment
res.join(',')
end
def self.parse(value, critical)
obj = self.new
return obj if value.nil?
obj.critical = critical
obj.comment = value
obj
end
end
end
end
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