require "spec_helper"

describe Signer do
  it "should digest and sign SOAP XML with security node and digested binary token" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_1.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")

    signer.document.xpath("//u:Timestamp", { "u" => "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" }).each do |node|
      signer.digest!(node)
    end

    signer.document.xpath("//a:To", { "a" => "http://www.w3.org/2005/08/addressing" }).each do |node|
      signer.digest!(node)
    end

    signer.digest!(signer.binary_security_token_node)

    signer.sign!

    # File.open(File.join(File.dirname(__FILE__), 'fixtures', 'output_1.xml'), "w") do |f|
    #   f.write signer.document.to_s
    # end
    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_1.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

  it "should correctly canonicalize digested nodes (shouldn't account comments)" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_3_c14n_comments.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")

    signer.digest!(signer.document.at_xpath('//soap:Body', { 'soap' => 'http://www.w3.org/2003/05/soap-envelope'}))
    signer.sign!

    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_3_c14n_comments.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

  it "should digest and sign SOAP XML with SHA256" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_1.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")
    signer.digest_algorithm = :sha256
    signer.signature_digest_algorithm = :sha256
    signer.signature_algorithm_id = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256'

    signer.digest!(signer.binary_security_token_node)

    signer.sign!

    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_1_sha256.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

  it "should digest and sign SOAP XML with inclusive namespaces" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_1.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")

    signer.document.xpath("//soap:Body", { "soap" => "http://www.w3.org/2003/05/soap-envelope" }).each do |node|
      signer.digest!(node, inclusive_namespaces: ['s'])
    end

    signer.sign!(security_token: true, inclusive_namespaces: ['s'])

    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_1_inclusive_namespaces.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

  it "should sign simple XML" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_2.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")
    signer.security_node = signer.document.root
    signer.security_token_id = ""
    signer.digest!(signer.document.root, :id => "", :enveloped => true)
    signer.sign!(:issuer_serial => true)

    # File.open(File.join(File.dirname(__FILE__), 'fixtures', 'output_2.xml'), "w") do |f|
    #   f.write signer.document.to_s
    # end
    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_2.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

  it "should digest and sign SOAP XML with security node and digested binary token" do
    input_xml_file   = File.join(File.dirname(__FILE__), 'fixtures', 'input_4_with_nested_signatures.xml')
    cert_file        = File.join(File.dirname(__FILE__), 'fixtures', 'cert.pem')
    private_key_file = File.join(File.dirname(__FILE__), 'fixtures', 'key.pem')

    signer = Signer.new(File.read(input_xml_file))
    signer.cert = OpenSSL::X509::Certificate.new(File.read(cert_file))
    signer.private_key = OpenSSL::PKey::RSA.new(File.read(private_key_file), "test")
    signer.security_node = signer.document.at_xpath('//soap:Header/wsse:Security', soap: 'http://www.w3.org/2003/05/soap-envelope', wsse: Signer::WSSE_NAMESPACE)

    signer.document.xpath("//u:Timestamp", { "u" => "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" }).each do |node|
      signer.digest!(node)
    end

    signer.document.xpath("//a:To", { "a" => "http://www.w3.org/2005/08/addressing" }).each do |node|
      signer.digest!(node)
    end

    signer.digest!(signer.binary_security_token_node)

    signer.sign!

    # File.open(File.join(File.dirname(__FILE__), 'fixtures', 'output_4_with_nested_signatures.xml'), "w") do |f|
    #   f.write signer.document.to_s
    # end
    output_xml_file = File.join(File.dirname(__FILE__), 'fixtures', 'output_4_with_nested_signatures.xml')

    signer.to_xml.should == Nokogiri::XML(File.read(output_xml_file), &:noblanks).to_xml(:save_with => 0)
  end

end