Pass contents of PEM file rather than file location

lib/httparty.rb

@@ -110,6 +110,16 @@ module HTTParty
       default_options[:format] = f
     end
 
+    # Allows setting a PEM file to be used
+    #
+    #   class Foo
+    #     include HTTParty
+    #     pem_file File.read('/home/user/my.pem')
+    #   end
+    def pem_file(pem_file_contents)
+      default_options[:pem_file] = pem_file_contents
+    end
+
     # Allows setting a custom parser for the response.
     #
     #   class Foo

lib/httparty/request.rb

@@ -56,6 +56,12 @@ module HTTParty
           http.open_timeout = options[:timeout]
           http.read_timeout = options[:timeout]
         end
+
+        if options[:pem_file]
+          http.cert = OpenSSL::X509::Certificate.new(options[:pem_file])
+          http.key = OpenSSL::PKey::RSA.new(options[:pem_file])
+        end
+
         http
       end
 

spec/httparty/request_spec.rb

@@ -46,6 +46,18 @@ describe HTTParty::Request do
       request.send(:http).use_ssl?.should == true
     end
 
+    it "should use a PEM certificate when provided" do
+      http = mock("http", :null_object => true)
+      http.should_receive(:cert=)
+      http.should_receive(:key=)
+      Net::HTTP.stub(:new => http)
+      pem_file = :contents_of_pem_file
+      OpenSSL::X509::Certificate.stub!(:new).with(pem_file)
+      OpenSSL::PKey::RSA.stub!(:new).with(pem_file)
+      @request.options[:pem_file] = pem_file
+      @request.perform
+    end
+
     it "should use basic auth when configured" do
       @request.options[:basic_auth] = {:username => 'foobar', :password => 'secret'}
       @request.send(:setup_raw_request)