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# coding: UTF-8
require 'rubygems/test_case'
class TestGemSecurityPolicy < Gem::TestCase
ALTERNATE_KEY = load_key 'alternate'
INVALID_KEY = load_key 'invalid'
CHILD_KEY = load_key 'child'
GRANDCHILD_KEY = load_key 'grandchild'
INVALIDCHILD_KEY = load_key 'invalidchild'
ALTERNATE_CERT = load_cert 'alternate'
CHILD_CERT = load_cert 'child'
EXPIRED_CERT = load_cert 'expired'
FUTURE_CERT = load_cert 'future'
GRANDCHILD_CERT = load_cert 'grandchild'
INVALIDCHILD_CERT = load_cert 'invalidchild'
INVALID_ISSUER_CERT = load_cert 'invalid_issuer'
INVALID_SIGNER_CERT = load_cert 'invalid_signer'
WRONG_KEY_CERT = load_cert 'wrong_key'
def setup
super
@spec = quick_gem 'a' do |s|
s.description = 'π'
s.files = %w[lib/code.rb]
end
@sha1 = OpenSSL::Digest::SHA1
@trust_dir = Gem::Security.trust_dir.dir # HACK use the object
@almost_no = Gem::Security::AlmostNoSecurity
@low = Gem::Security::LowSecurity
@high = Gem::Security::HighSecurity
@chain = Gem::Security::Policy.new(
'Chain',
:verify_data => true,
:verify_signer => true,
:verify_chain => true,
:verify_root => false,
:only_trusted => false,
:only_signed => false
)
@root = Gem::Security::Policy.new(
'Root',
:verify_data => true,
:verify_signer => true,
:verify_chain => true,
:verify_root => true,
:only_trusted => false,
:only_signed => false
)
end
def test_check_data
data = digest 'hello'
signature = sign data
assert @almost_no.check_data(PUBLIC_KEY, @sha1, signature, data)
end
def test_check_data_invalid
data = digest 'hello'
signature = sign data
invalid = digest 'hello!'
e = assert_raises Gem::Security::Exception do
@almost_no.check_data PUBLIC_KEY, @sha1, signature, invalid
end
assert_equal 'invalid signature', e.message
end
def test_check_chain
chain = [PUBLIC_CERT, CHILD_CERT, GRANDCHILD_CERT]
assert @chain.check_chain chain, Time.now
end
def test_check_chain_invalid
chain = [PUBLIC_CERT, CHILD_CERT, INVALIDCHILD_CERT]
e = assert_raises Gem::Security::Exception do
@chain.check_chain chain, Time.now
end
assert_equal "invalid signing chain: " \
"certificate #{INVALIDCHILD_CERT.subject} " \
"was not issued by #{CHILD_CERT.subject}", e.message
end
def test_check_cert
assert @low.check_cert(PUBLIC_CERT, nil, Time.now)
end
def test_check_cert_expired
e = assert_raises Gem::Security::Exception do
@low.check_cert EXPIRED_CERT, nil, Time.now
end
assert_equal "certificate #{EXPIRED_CERT.subject} " \
"not valid after #{EXPIRED_CERT.not_after}",
e.message
end
def test_check_cert_future
e = assert_raises Gem::Security::Exception do
@low.check_cert FUTURE_CERT, nil, Time.now
end
assert_equal "certificate #{FUTURE_CERT.subject} " \
"not valid before #{FUTURE_CERT.not_before}",
e.message
end
def test_check_cert_invalid_issuer
e = assert_raises Gem::Security::Exception do
@low.check_cert INVALID_ISSUER_CERT, PUBLIC_CERT, Time.now
end
assert_equal "certificate #{INVALID_ISSUER_CERT.subject} " \
"was not issued by #{PUBLIC_CERT.subject}",
e.message
end
def test_check_cert_issuer
assert @low.check_cert(CHILD_CERT, PUBLIC_CERT, Time.now)
end
def test_check_key
assert @almost_no.check_key(PUBLIC_CERT, PRIVATE_KEY)
end
def test_check_key_wrong_key
e = assert_raises Gem::Security::Exception do
@almost_no.check_key(PUBLIC_CERT, ALTERNATE_KEY)
end
assert_equal "certificate #{PUBLIC_CERT.subject} " \
"does not match the signing key", e.message
end
def test_check_root
chain = [PUBLIC_CERT, CHILD_CERT, INVALIDCHILD_CERT]
assert @chain.check_root chain, Time.now
end
def test_check_root_invalid_signer
chain = [INVALID_SIGNER_CERT]
e = assert_raises Gem::Security::Exception do
@chain.check_root chain, Time.now
end
assert_equal "certificate #{INVALID_SIGNER_CERT.subject} " \
"was not issued by #{INVALID_SIGNER_CERT.issuer}",
e.message
end
def test_check_root_not_self_signed
chain = [INVALID_ISSUER_CERT]
e = assert_raises Gem::Security::Exception do
@chain.check_root chain, Time.now
end
assert_equal "root certificate #{INVALID_ISSUER_CERT.subject} " \
"is not self-signed (issuer #{INVALID_ISSUER_CERT.issuer})",
e.message
end
def test_check_trust
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
assert @high.check_trust [PUBLIC_CERT], @sha1, @trust_dir
end
def test_check_trust_child
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
assert @high.check_trust [PUBLIC_CERT, CHILD_CERT], @sha1, @trust_dir
end
def test_check_trust_mismatch
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
e = assert_raises Gem::Security::Exception do
@high.check_trust [WRONG_KEY_CERT], @sha1, @trust_dir
end
assert_equal "trusted root certificate #{PUBLIC_CERT.subject} checksum " \
"does not match signing root certificate checksum", e.message
end
def test_check_trust_no_trust
e = assert_raises Gem::Security::Exception do
@high.check_trust [PUBLIC_CERT], @sha1, @trust_dir
end
assert_equal "root cert #{PUBLIC_CERT.subject} is not trusted", e.message
end
def test_check_trust_no_trust_child
e = assert_raises Gem::Security::Exception do
@high.check_trust [PUBLIC_CERT, CHILD_CERT], @sha1, @trust_dir
end
assert_equal "root cert #{PUBLIC_CERT.subject} is not trusted " \
"(root of signing cert #{CHILD_CERT.subject})", e.message
end
def test_verify
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
assert @almost_no.verify [PUBLIC_CERT]
end
def test_verify_chain_signatures
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data, PRIVATE_KEY) }
assert @high.verify [PUBLIC_CERT], nil, digest, signature
end
def test_verify_chain_key
assert @almost_no.verify [PUBLIC_CERT], PRIVATE_KEY
end
def test_verify_signatures_chain
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data, CHILD_KEY) }
@spec.cert_chain = [PUBLIC_CERT, CHILD_CERT]
assert @chain.verify_signatures @spec, digest, signature
end
def test_verify_signatures_data
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data) }
@spec.cert_chain = [PUBLIC_CERT]
@almost_no.verify_signatures @spec, digest, signature
end
def test_verify_signatures_root
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data, CHILD_KEY) }
@spec.cert_chain = [PUBLIC_CERT, CHILD_CERT]
assert @root.verify_signatures @spec, digest, signature
end
def test_verify_signatures_signer
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data) }
@spec.cert_chain = [PUBLIC_CERT]
assert @low.verify_signatures @spec, digest, signature
end
def test_verify_signatures_trust
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
data = digest 'hello'
digest = { 'SHA1' => { 0 => data } }
signature = { 0 => sign(data, PRIVATE_KEY) }
@spec.cert_chain = [PUBLIC_CERT]
assert @high.verify_signatures @spec, digest, signature
end
def test_verify_signatures
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
@spec.cert_chain = [PUBLIC_CERT.to_s]
metadata_gz = Gem.gzip @spec.to_yaml
package = Gem::Package.new 'nonexistent.gem'
package.checksums['SHA1'] = {}
s = StringIO.new metadata_gz
def s.full_name() 'metadata.gz' end
digests = package.digest s
metadata_gz_digest = digests['SHA1']['metadata.gz']
signatures = {}
signatures['metadata.gz'] =
PRIVATE_KEY.sign @sha1.new, metadata_gz_digest.digest
assert @high.verify_signatures @spec, digests, signatures
end
def test_verify_signatures_missing
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
@spec.cert_chain = [PUBLIC_CERT.to_s]
metadata_gz = Gem.gzip @spec.to_yaml
package = Gem::Package.new 'nonexistent.gem'
package.checksums['SHA1'] = {}
s = StringIO.new metadata_gz
def s.full_name() 'metadata.gz' end
digests = package.digest s
digests['SHA1']['data.tar.gz'] = OpenSSL::Digest.new 'SHA1', 'hello'
metadata_gz_digest = digests['SHA1']['metadata.gz']
signatures = {}
signatures['metadata.gz'] =
PRIVATE_KEY.sign @sha1.new, metadata_gz_digest.digest
e = assert_raises Gem::Security::Exception do
@high.verify_signatures @spec, digests, signatures
end
assert_equal 'missing signature for data.tar.gz', e.message
end
def test_verify_signatures_none
Gem::Security.trust_dir.trust_cert PUBLIC_CERT
@spec.cert_chain = [PUBLIC_CERT.to_s]
metadata_gz = Gem.gzip @spec.to_yaml
package = Gem::Package.new 'nonexistent.gem'
package.checksums['SHA1'] = {}
s = StringIO.new metadata_gz
def s.full_name() 'metadata.gz' end
digests = package.digest s
digests['SHA1']['data.tar.gz'] = OpenSSL::Digest.new 'SHA1', 'hello'
assert_raises Gem::Security::Exception do
@almost_no.verify_signatures @spec, digests, {}
end
end
def digest data
digester = @sha1.new
digester << data
digester
end
def sign data, key = PRIVATE_KEY
key.sign @sha1.new, data.digest
end
end
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