Expose verify_callback option from Net::HTTP

lib/httparty/connection_adapter.rb

@@ -50,6 +50,7 @@ module HTTParty
   # * :+pem+: contains pem client certificate data. see method 'attach_ssl_certificates'
   # * :+p12+: contains PKCS12 client client certificate data.  see method 'attach_ssl_certificates'
   # * :+verify+: verify the server’s certificate against the ca certificate.
+  # * :+verify_callback+: a Proc that will be called to verify the server’s certificate. see method 'attach_ssl_certificates'
   # * :+verify_peer+: set to false to turn off server verification but still send client certificate
   # * :+ssl_ca_file+: see HTTParty::ClassMethods.ssl_ca_file.
   # * :+ssl_ca_path+: see HTTParty::ClassMethods.ssl_ca_path.
@@ -227,6 +228,10 @@ def attach_ssl_certificates(http, options)
           http.verify_mode = OpenSSL::SSL::VERIFY_PEER
         end
 
+        if options[:verify_callback]
+          http.verify_callback = options[:verify_callback]
+        end
+
         # This is only Ruby 1.9+
         if options[:ssl_version] && http.respond_to?(:ssl_version=)
           http.ssl_version = options[:ssl_version]

spec/httparty/connection_adapter_spec.rb

@@ -661,6 +661,33 @@
           it { expect(subject.port).to be 443 }
         end
       end
+
+      context "when providing verify_callback" do
+        let(:verify_callback) { double("verify_callback") }
+        let(:options) { {verify_callback: verify_callback} }
+
+        context "when scheme is https" do
+          let(:uri) { URI 'https://google.com' }
+
+          it "uses the provided verify_callback" do
+            expect(subject.verify_callback).to be verify_callback
+          end
+        end
+
+        context "when scheme is not https" do
+          let(:uri) { URI 'http://google.com' }
+          let(:http) { Net::HTTP.new(uri) }
+
+          before do
+            allow(Net::HTTP).to receive_messages(new: http)
+            expect(http).not_to receive(:verify_callback=)
+          end
+
+          it "has no verify_callback " do
+            expect(subject.verify_callback).to be_nil
+          end
+        end
+      end
     end
   end
 end