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# Copyright, 2018, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require 'openssl'
module Async
module RSpec
module SSL
module CertificateAuthority
end
module ValidCertificate
end
module InvalidCertificate
end
module VerifiedContexts
end
module HostCertificates
end
end
::RSpec.shared_context SSL::CertificateAuthority do
# This key size is generally considered insecure, but it's fine for testing.
let(:certificate_authority_key) {OpenSSL::PKey::RSA.new(2048)}
let(:certificate_authority_name) {OpenSSL::X509::Name.parse("O=TestCA/CN=localhost")}
# The certificate authority is used for signing and validating the certificate which is used for communciation:
let(:certificate_authority) do
certificate = OpenSSL::X509::Certificate.new
certificate.subject = certificate_authority_name
# We use the same issuer as the subject, which makes this certificate self-signed:
certificate.issuer = certificate_authority_name
certificate.public_key = certificate_authority_key.public_key
certificate.serial = 1
certificate.version = 2
certificate.not_before = Time.now
certificate.not_after = Time.now + 3600
extension_factory = OpenSSL::X509::ExtensionFactory.new
extension_factory.subject_certificate = certificate
extension_factory.issuer_certificate = certificate
certificate.add_extension extension_factory.create_extension("basicConstraints", "CA:TRUE", true)
certificate.add_extension extension_factory.create_extension("keyUsage", "keyCertSign, cRLSign", true)
certificate.add_extension extension_factory.create_extension("subjectKeyIdentifier", "hash")
certificate.add_extension extension_factory.create_extension("authorityKeyIdentifier", "keyid:always", false)
certificate.sign certificate_authority_key, OpenSSL::Digest::SHA256.new
end
let(:certificate_store) do
# The certificate store which is used for validating the server certificate:
OpenSSL::X509::Store.new.tap do |certificates|
certificates.add_cert(certificate_authority)
end
end
end
::RSpec.shared_context SSL::ValidCertificate do
include_context SSL::CertificateAuthority
# The private key to use on the server side:
let(:key) {OpenSSL::PKey::RSA.new(2048)}
let(:certificate_name) {OpenSSL::X509::Name.parse("O=Test/CN=localhost")}
# The certificate used for actual communication:
let(:certificate) do
certificate = OpenSSL::X509::Certificate.new
certificate.subject = certificate_name
certificate.issuer = certificate_authority.subject
certificate.public_key = key.public_key
certificate.serial = 2
certificate.version = 2
certificate.not_before = Time.now
certificate.not_after = Time.now + 3600
extension_factory = OpenSSL::X509::ExtensionFactory.new()
extension_factory.subject_certificate = certificate
extension_factory.issuer_certificate = certificate_authority
certificate.add_extension extension_factory.create_extension("keyUsage", "digitalSignature", true)
certificate.add_extension extension_factory.create_extension("subjectKeyIdentifier", "hash")
certificate.sign certificate_authority_key, OpenSSL::Digest::SHA256.new
end
end
::RSpec.shared_context SSL::HostCertificates do
include_context SSL::CertificateAuthority
let(:keys) do
Hash[
hosts.collect{|name| [name, OpenSSL::PKey::RSA.new(2048)]}
]
end
# The certificate used for actual communication:
let(:certificates) do
Hash[
hosts.collect do |name|
certificate_name = OpenSSL::X509::Name.parse("O=Test/CN=#{name}")
certificate = OpenSSL::X509::Certificate.new
certificate.subject = certificate_name
certificate.issuer = certificate_authority.subject
certificate.public_key = keys[name].public_key
certificate.serial = 2
certificate.version = 2
certificate.not_before = Time.now
certificate.not_after = Time.now + 3600
extension_factory = OpenSSL::X509::ExtensionFactory.new
extension_factory.subject_certificate = certificate
extension_factory.issuer_certificate = certificate_authority
certificate.add_extension extension_factory.create_extension("keyUsage", "digitalSignature", true)
certificate.add_extension extension_factory.create_extension("subjectKeyIdentifier", "hash")
certificate.sign certificate_authority_key, OpenSSL::Digest::SHA256.new
[name, certificate]
end
]
end
let(:server_context) do
OpenSSL::SSL::SSLContext.new.tap do |context|
context.servername_cb = Proc.new do |socket, name|
if hosts.include? name
socket.hostname = name
OpenSSL::SSL::SSLContext.new.tap do |context|
context.cert = certificates[name]
context.key = keys[name]
end
end
end
end
end
let(:client_context) do
OpenSSL::SSL::SSLContext.new.tap do |context|
context.cert_store = certificate_store
context.verify_mode = OpenSSL::SSL::VERIFY_PEER
end
end
end
::RSpec.shared_context SSL::InvalidCertificate do
include_context SSL::CertificateAuthority
# The private key to use on the server side:
let(:key) {OpenSSL::PKey::RSA.new(2048)}
let(:invalid_key) {OpenSSL::PKey::RSA.new(2048)}
let(:certificate_name) {OpenSSL::X509::Name.parse("O=Test/CN=localhost")}
# The certificate used for actual communication:
let(:certificate) do
certificate = OpenSSL::X509::Certificate.new
certificate.subject = certificate_name
certificate.issuer = certificate_authority.subject
certificate.public_key = key.public_key
certificate.serial = 2
certificate.version = 2
certificate.not_before = Time.now - 3600
certificate.not_after = Time.now
extension_factory = OpenSSL::X509::ExtensionFactory.new()
extension_factory.subject_certificate = certificate
extension_factory.issuer_certificate = certificate_authority
certificate.add_extension extension_factory.create_extension("keyUsage", "digitalSignature", true)
certificate.add_extension extension_factory.create_extension("subjectKeyIdentifier", "hash")
certificate.sign invalid_key, OpenSSL::Digest::SHA256.new
end
end
::RSpec.shared_context SSL::VerifiedContexts do
let(:server_context) do
OpenSSL::SSL::SSLContext.new.tap do |context|
context.cert = certificate
context.key = key
end
end
let(:client_context) do
OpenSSL::SSL::SSLContext.new.tap do |context|
context.cert_store = certificate_store
context.verify_mode = OpenSSL::SSL::VERIFY_PEER
end
end
end
end
end
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