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csr_spec.rb
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csr_spec.rb
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require 'spec_helper'
require 'stringio'
require 'r509/Csr'
describe R509::Csr do
before :all do
@cert = TestFixtures::CERT
@cert_san = TestFixtures::CERT_SAN
@csr = TestFixtures::CSR
@csr_newlines = TestFixtures::CSR_NEWLINES
@csr_no_begin_end = TestFixtures::CSR_NO_BEGIN_END
@csr_der = TestFixtures::CSR_DER
@csr_public_key_modulus = TestFixtures::CSR_PUBLIC_KEY_MODULUS
@csr_invalid_signature = TestFixtures::CSR_INVALID_SIGNATURE
@csr2 = TestFixtures::CSR2
@csr3 = TestFixtures::CSR3
@csr_der = TestFixtures::CSR_DER
@csr_dsa = TestFixtures::CSR_DSA
@csr4_multiple_attrs = TestFixtures::CSR4_MULTIPLE_ATTRS
@key3 = TestFixtures::KEY3
@key_csr2 = TestFixtures::KEY_CSR2
@dsa_key = TestFixtures::DSA_KEY
@csr_unknown_oid = TestFixtures::CSR_UNKNOWN_OID
end
it "raises an exception when passing non-hash" do
expect { R509::Csr.new('invalid') }.to raise_error(ArgumentError, 'Must provide a hash of options')
end
it "key creation defaults to RSA when no type or key is passed" do
csr = R509::Csr.new(:subject => [['CN','testing.rsa']], :bit_strength => 1024)
csr.rsa?.should == true
csr.dsa?.should == false
end
it "returns expected value for to_der" do
csr = R509::Csr.new(:csr => @csr)
csr.to_der.should == @csr_der
end
it "loads a csr with extraneous newlines" do
csr = R509::Csr.new(:csr => @csr_newlines)
csr.to_pem.should match(/-----BEGIN CERTIFICATE REQUEST-----/)
end
it "loads a csr with no begin/end lines" do
csr = R509::Csr.new(:csr => @csr_no_begin_end)
csr.to_pem.should match(/-----BEGIN CERTIFICATE REQUEST-----/)
end
it "returns true from #has_private_key? when private key is present" do
csr = R509::Csr.new(:bit_strength => 512, :subject => [['CN','private-key-check.com']])
csr.has_private_key?.should == true
end
it "returns false from #has_private_key? when private key is not present" do
csr = R509::Csr.new(:csr => @csr)
csr.has_private_key?.should == false
end
it "key creation defaults to 2048 when no bit strength or key is passed" do
csr = R509::Csr.new(:subject => [['CN','testing2048.rsa']])
csr.bit_strength.should == 2048
end
it "creates a CSR when a key is provided" do
csr = R509::Csr.new(:key => @key3, :subject => [['CN','pregenerated.com']], :bit_strength => 1024)
csr.to_pem.should match(/CERTIFICATE REQUEST/)
#validate the CSR matches the key
csr.req.verify(csr.key.public_key).should == true
end
it "loads successfully when an R509::PrivateKey is provided" do
key = R509::PrivateKey.new(:key => @key3)
expect { R509::Csr.new(:key => key, :csr => @csr3)}.to_not raise_error
end
it "raises an exception when you pass a cert and subject" do
expect { R509::Csr.new(:cert => @cert, :subject => [['CN','fail.com']]) }.to raise_error(ArgumentError,'Can only provide one of cert, subject, or csr')
end
it "raises an exception when you pass a cert and CSR" do
expect { R509::Csr.new(:cert => @cert, :csr => @csr) }.to raise_error(ArgumentError,'Can only provide one of cert, subject, or csr')
end
it "raises an exception when you pass a subject and CSR" do
expect { R509::Csr.new(:subject => [['CN','error.com']], :csr => @csr) }.to raise_error(ArgumentError,'Can only provide one of cert, subject, or csr')
end
it "raises an exception for not providing valid type when key is nil" do
expect { R509::Csr.new(:subject => [['CN','error.com']], :type => :invalid_symbol) }.to raise_error(ArgumentError,'Must provide :rsa or :dsa as type when key is nil')
end
it "raises an exception when you don't provide cert, subject, or CSR" do
expect { R509::Csr.new(:bit_strength => 1024) }.to raise_error(ArgumentError,'Must provide one of cert, subject, or csr')
end
it "raises an exception if you provide a list of domains with an existing CSR" do
expect { R509::Csr.new(:csr => @csr, :domains => ['moredomainsiwanttoadd.com']) }.to raise_error(ArgumentError,'You can\'t add domains to an existing CSR')
end
it "changes the message_digest to DSS1 when passed a DSA key" do
csr = R509::Csr.new(:subject => [["CN","dsasigned.com"]], :key => @dsa_key)
csr.message_digest.name.should == 'dss1'
csr.signature_algorithm.should == 'dsaWithSHA1'
#dss1 is actually the same as SHA1
#Yes this is confusing
#see http://www.ruby-doc.org/stdlib-1.9.3/libdoc/openssl/rdoc/OpenSSL/PKey/DSA.html
end
it "changes the message_digest to DSS1 when creating a DSA key" do
csr = R509::Csr.new(:subject => [["CN","dsasigned.com"]], :type => :dsa, :bit_strength => 512)
csr.message_digest.name.should == 'dss1'
csr.signature_algorithm.should == 'dsaWithSHA1'
#dss1 is actually the same as SHA1
#Yes this is confusing
#see http://www.ruby-doc.org/stdlib-1.9.3/libdoc/openssl/rdoc/OpenSSL/PKey/DSA.html
end
it "signs a CSR properly when passed a DSA key" do
csr = R509::Csr.new(:subject => [["CN","dsasigned.com"]], :key => @dsa_key)
csr.verify_signature.should == true
end
it "signs a CSR properly when creating a DSA key" do
csr = R509::Csr.new(:subject => [["CN","dsasigned.com"]], :type => :dsa, :bit_strength => 512)
csr.verify_signature.should == true
end
it "writes to pem" do
csr = R509::Csr.new(:csr => @csr)
sio = StringIO.new
sio.set_encoding("BINARY") if sio.respond_to?(:set_encoding)
csr.write_pem(sio)
sio.string.should == @csr
end
it "writes to der" do
sio = StringIO.new
sio.set_encoding("BINARY") if sio.respond_to?(:set_encoding)
csr = R509::Csr.new(:csr => @csr)
csr.write_der(sio)
sio.string.should == @csr_der
end
it "duplicate SAN names should be removed" do
csr = R509::Csr.new( :bit_strength => 512, :subject => [['CN','test2345.com']], :domains => ["test2.local","test.local","test.local"] )
csr.san_names.should == ["test2.local", "test.local"]
end
it "creates a valid hash object with to_hash" do
csr = R509::Csr.new(:csr => @csr)
csr.to_hash[:subject].kind_of?(R509::Subject).should == true
csr.to_hash[:subject].to_s.should == '/CN=test.local/O=Testing CSR'
csr.to_hash[:san_names].should == ["test.local", "additionaldomains.com", "saniam.com"]
end
it "san_names is an empty array when there are no SAN names" do
csr = R509::Csr.new( :subject => [['CN','langui.sh'],['emailAddress','ca@langui.sh']], :bit_strength => 512)
csr.san_names.should == []
end
context "when initialized" do
it "raises exception when providing invalid csr" do
expect { R509::Csr.new({:csr => 'invalid csr'}) }.to raise_error(OpenSSL::X509::RequestError)
end
it "raises exception when providing invalid key" do
expect { R509::Csr.new({:csr => @csr, :key => 'invalid key'}) }.to raise_error(R509::R509Error,"Failed to load private key. Invalid key or incorrect password.")
end
end
context "when passing a cert to generate" do
it "returns a valid pem" do
csr = R509::Csr.new( :bit_strength => 1024, :cert => @cert )
csr.to_pem.should match(/CERTIFICATE REQUEST/)
end
it "has a public key length of 2048 by default" do
csr = R509::Csr.new( :cert => @cert )
csr.bit_strength.should == 2048
end
it "generates a matching CSR" do
csr = R509::Csr.new( :bit_strength => 1024, :cert => @cert )
csr.subject.to_s.should == '/C=US/ST=Illinois/L=Chicago/O=Paul Kehrer/CN=langui.sh'
end
it "SAN domains from the cert should be encoded in the request" do
csr = R509::Csr.new( :bit_strength => 1024, :cert => @cert_san )
csr.san_names.should == ["langui.sh"]
end
it "duplicate SAN names should be removed" do
csr = R509::Csr.new( :cert => @cert, :domains => ["test2.local","test.local","test.local"] )
csr.san_names.should == ["test2.local", "test.local"]
end
it "SAN names added in addition to those present in the cert should be merged" do
csr = R509::Csr.new( :cert => @cert_san, :domains => ["test2.local","test.local","test.local"] )
csr.san_names.should == ["langui.sh","test2.local", "test.local"]
end
end
context "when passing a subject array" do
it "generates a matching CSR" do
csr = R509::Csr.new( :subject=> [['CN','langui.sh'],['ST','Illinois'],['L','Chicago'],['C','US'],['emailAddress','ca@langui.sh']], :bit_strength => 1024)
csr.subject.to_s.should == '/CN=langui.sh/ST=Illinois/L=Chicago/C=US/emailAddress=ca@langui.sh'
end
it "adds SAN domains to a generated CSR" do
csr = R509::Csr.new( :subject => [['CN','langui.sh'],['emailAddress','ca@langui.sh']], :bit_strength => 1024, :domains => ['domain2.com','domain3.com'])
csr.subject.to_s.should == '/CN=langui.sh/emailAddress=ca@langui.sh'
csr.san_names.should == ["domain2.com", "domain3.com"]
end
it "generates a matching csr when supplying raw oids" do
csr = R509::Csr.new( :subject => [['2.5.4.3','common name'],['2.5.4.15','business category'],['2.5.4.7','locality'],['1.3.6.1.4.1.311.60.2.1.3','jurisdiction oid openssl typically does not know']], :bit_strength => 1024 )
csr.subject.to_s.should == "/CN=common name/businessCategory=business category/L=locality/jurisdictionOfIncorporationCountryName=jurisdiction oid openssl typically does not know"
end
end
context "when supplying an existing csr" do
it "populates the bit_strength" do
csr = R509::Csr.new({ :csr => @csr })
csr.bit_strength.should == 2048
end
it "populates the subject" do
csr = R509::Csr.new({ :csr => @csr })
csr.subject.to_s.should == '/CN=test.local/O=Testing CSR'
end
it "parses the san names" do
csr = R509::Csr.new({ :csr => @csr })
csr.san_names.should == ["test.local", "additionaldomains.com", "saniam.com"]
end
it "parses san names when there are multiple non-SAN attributes" do
csr = R509::Csr.new({ :csr => @csr4_multiple_attrs })
csr.san_names.should == ["adomain.com", "anotherdomain.com", "justanexample.com"]
end
it "fetches a subject component" do
csr = R509::Csr.new({ :csr => @csr })
csr.subject_component('CN').to_s.should == 'test.local'
end
it "returns nil when subject component not found" do
csr = R509::Csr.new({ :csr => @csr })
csr.subject_component('OU').should be_nil
end
it "returns the signature algorithm" do
csr = R509::Csr.new({ :csr => @csr })
csr.signature_algorithm.should == 'sha1WithRSAEncryption'
end
it "returns RSA key algorithm for RSA CSR" do
csr = R509::Csr.new({ :csr => @csr })
csr.key_algorithm.should == 'RSA'
end
it "returns DSA key algorithm for DSA CSR" do
csr = R509::Csr.new({ :csr => @csr_dsa })
csr.key_algorithm.should == 'DSA'
end
it "returns the public key" do
#this is more complex than it should have to be. diff versions of openssl
#return subtly diff PEM encodings so we need to look at the modulus (n)
#but beware, because n is not present for DSA certificates
csr = R509::Csr.new({ :csr => @csr })
csr.public_key.n.to_i.should == @csr_public_key_modulus.to_i
end
it "returns true with valid signature" do
csr = R509::Csr.new({ :csr => @csr })
csr.verify_signature.should == true
end
it "returns false on invalid signature" do
csr = R509::Csr.new({ :csr => @csr_invalid_signature })
csr.verify_signature.should == false
end
it "works when the CSR has unknown OIDs" do
csr = R509::Csr.new(:csr => @csr_unknown_oid)
csr.subject["1.2.3.4.5.6.7.8.9.8.7.6.5.4.3.2.1.0.0"].should == "random oid!"
csr.subject["1.3.3.543.567.32.43.335.1.1.1"].should == "another random oid!"
end
end
context "when supplying a key with csr" do
it "raises exception on non-matching key" do
expect { R509::Csr.new({:csr => @csr, :key => @key_csr2}) }.to raise_error(R509::R509Error, 'Key does not match request.')
end
it "accepts matching key" do
csr = R509::Csr.new({:csr => @csr2, :key => @key_csr2})
csr.to_pem.should == @csr2
end
end
context "when setting alternate signature algorithms" do
it "sets sha1 if you pass an invalid message digest" do
csr = R509::Csr.new(:message_digest => 'sha88', :bit_strength => 512, :subject => [['CN','langui.sh']])
csr.message_digest.name.should == 'sha1'
csr.signature_algorithm.should == "sha1WithRSAEncryption"
end
it "sets sha256 properly" do
csr = R509::Csr.new(:message_digest => 'sha256', :bit_strength => 512, :subject => [['CN','sha256-signature-alg.test']])
csr.message_digest.name.should == 'sha256'
csr.signature_algorithm.should == "sha256WithRSAEncryption"
end
it "sets sha512 properly" do
csr = R509::Csr.new(:message_digest => 'sha512', :bit_strength => 1024, :subject => [['CN','sha512-signature-alg.test']])
csr.message_digest.name.should == 'sha512'
csr.signature_algorithm.should == "sha512WithRSAEncryption"
end
it "sets md5 properly" do
csr = R509::Csr.new(:message_digest => 'md5', :bit_strength => 512, :subject => [['CN','md5-signature-alg.test']])
csr.message_digest.name.should == 'md5'
csr.signature_algorithm.should == "md5WithRSAEncryption"
end
end
it "checks rsa?" do
csr = R509::Csr.new({:csr => @csr})
csr.rsa?.should == true
csr.dsa?.should == false
end
it "gets RSA bit strength" do
csr = R509::Csr.new({:csr => @csr})
csr.bit_strength.should == 2048
end
it "checks dsa?" do
csr = R509::Csr.new({:csr => @csr_dsa})
csr.rsa?.should == false
csr.dsa?.should == true
end
it "gets DSA bit strength" do
csr = R509::Csr.new({:csr => @csr_dsa})
csr.bit_strength.should == 1024
end
end