\#3 add a basic spec for mandrill signature handling

lib/mandrill-rails.rb

@@ -1,4 +1,5 @@
 require 'json'
+require 'openssl'
 require 'active_support/concern'
 require 'active_support/dependencies'
 

spec/fixtures/webhook_examples/click_with_signature.json

@@ -0,0 +1,21 @@
+[
+  {
+    "private_key": "ntynTMaFpM_octE5R1DKAw",
+    "original_url": "http://requestb.in/q9a918q9",
+    "headers" : {
+      "X-Mandrill-Signature": "7rUa4lNJitlb178MgGOcHO6T4Bg=",
+      "Content-Type": "application/x-www-form-urlencoded",
+      "Host": "requestb.in",
+      "Connection": "close",
+      "Content-Length": 4091,
+      "User-Agent": "Mandrill-Webhook/1.0",
+      "Accept": "*/*"
+    },
+    "raw_params": {
+      "mandrill_events": "%5B%7B%22event%22%3A%22click%22%2C%22msg%22%3A%7B%22ts%22%3A1365109999%2C%22subject%22%3A%22This+an+example+webhook+message%22%2C%22email%22%3A%22example.webhook%40mandrillapp.com%22%2C%22sender%22%3A%22example.sender%40mandrillapp.com%22%2C%22tags%22%3A%5B%22webhook-example%22%5D%2C%22opens%22%3A%5B%7B%22ts%22%3A1365111111%7D%5D%2C%22clicks%22%3A%5B%7B%22ts%22%3A1365111111%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fmandrill.com%22%7D%5D%2C%22state%22%3A%22sent%22%2C%22metadata%22%3A%7B%22user_id%22%3A111%7D%2C%22_id%22%3A%22exampleaaaaaaaaaaaaaaaaaaaaaaaaa%22%2C%22_version%22%3A%22exampleaaaaaaaaaaaaaaa%22%7D%2C%22ip%22%3A%22127.0.0.1%22%2C%22location%22%3A%7B%22country_short%22%3A%22US%22%2C%22country%22%3A%22United+States%22%2C%22region%22%3A%22Oklahoma%22%2C%22city%22%3A%22Oklahoma+City%22%2C%22latitude%22%3A35.4675598145%2C%22longitude%22%3A-97.5164337158%2C%22postal_code%22%3A%2273101%22%2C%22timezone%22%3A%22-05%3A00%22%7D%2C%22user_agent%22%3A%22Mozilla%5C%2F5.0+%28Macintosh%3B+U%3B+Intel+Mac+OS+X+10.6%3B+en-US%3B+rv%3A1.9.1.8%29+Gecko%5C%2F20100317+Postbox%5C%2F1.1.3%22%2C%22user_agent_parsed%22%3A%7B%22type%22%3A%22Email+Client%22%2C%22ua_family%22%3A%22Postbox%22%2C%22ua_name%22%3A%22Postbox+1.1.3%22%2C%22ua_version%22%3A%221.1.3%22%2C%22ua_url%22%3A%22http%3A%5C%2F%5C%2Fwww.postbox-inc.com%5C%2F%22%2C%22ua_company%22%3A%22Postbox%2C+Inc.%22%2C%22ua_company_url%22%3A%22http%3A%5C%2F%5C%2Fwww.postbox-inc.com%5C%2F%22%2C%22ua_icon%22%3A%22http%3A%5C%2F%5C%2Fcdn.mandrill.com%5C%2Fimg%5C%2Femail-client-icons%5C%2Fpostbox.png%22%2C%22os_family%22%3A%22OS+X%22%2C%22os_name%22%3A%22OS+X+10.6+Snow+Leopard%22%2C%22os_url%22%3A%22http%3A%5C%2F%5C%2Fwww.apple.com%5C%2Fosx%5C%2F%22%2C%22os_company%22%3A%22Apple+Computer%2C+Inc.%22%2C%22os_company_url%22%3A%22http%3A%5C%2F%5C%2Fwww.apple.com%5C%2F%22%2C%22os_icon%22%3A%22http%3A%5C%2F%5C%2Fcdn.mandrill.com%5C%2Fimg%5C%2Femail-client-icons%5C%2Fmacosx.png%22%2C%22mobile%22%3Afalse%7D%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fmandrill.com%22%2C%22ts%22%3A1379233940%7D%2C%7B%22event%22%3A%22click%22%2C%22msg%22%3A%7B%22ts%22%3A1365109999%2C%22subject%22%3A%22This+an+example+webhook+message%22%2C%22email%22%3A%22example.webhook%40mandrillapp.com%22%2C%22sender%22%3A%22example.sender%40mandrillapp.com%22%2C%22tags%22%3A%5B%22webhook-example%22%5D%2C%22opens%22%3A%5B%7B%22ts%22%3A1365111111%7D%5D%2C%22clicks%22%3A%5B%7B%22ts%22%3A1365111111%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fmandrill.com%22%7D%5D%2C%22state%22%3A%22sent%22%2C%22metadata%22%3A%7B%22user_id%22%3A111%7D%2C%22_id%22%3A%22exampleaaaaaaaaaaaaaaaaaaaaaaaaa%22%2C%22_version%22%3A%22exampleaaaaaaaaaaaaaaa%22%7D%2C%22ip%22%3A%22127.0.0.1%22%2C%22location%22%3A%7B%22country_short%22%3A%22US%22%2C%22country%22%3A%22United+States%22%2C%22region%22%3A%22Oklahoma%22%2C%22city%22%3A%22Oklahoma+City%22%2C%22latitude%22%3A35.4675598145%2C%22longitude%22%3A-97.5164337158%2C%22postal_code%22%3A%2273101%22%2C%22timezone%22%3A%22-05%3A00%22%7D%2C%22user_agent%22%3A%22Mozilla%5C%2F5.0+%28Macintosh%3B+U%3B+Intel+Mac+OS+X+10.6%3B+en-US%3B+rv%3A1.9.1.8%29+Gecko%5C%2F20100317+Postbox%5C%2F1.1.3%22%2C%22user_agent_parsed%22%3A%7B%22type%22%3A%22Email+Client%22%2C%22ua_family%22%3A%22Postbox%22%2C%22ua_name%22%3A%22Postbox+1.1.3%22%2C%22ua_version%22%3A%221.1.3%22%2C%22ua_url%22%3A%22http%3A%5C%2F%5C%2Fwww.postbox-inc.com%5C%2F%22%2C%22ua_company%22%3A%22Postbox%2C+Inc.%22%2C%22ua_company_url%22%3A%22http%3A%5C%2F%5C%2Fwww.postbox-inc.com%5C%2F%22%2C%22ua_icon%22%3A%22http%3A%5C%2F%5C%2Fcdn.mandrill.com%5C%2Fimg%5C%2Femail-client-icons%5C%2Fpostbox.png%22%2C%22os_family%22%3A%22OS+X%22%2C%22os_name%22%3A%22OS+X+10.6+Snow+Leopard%22%2C%22os_url%22%3A%22http%3A%5C%2F%5C%2Fwww.apple.com%5C%2Fosx%5C%2F%22%2C%22os_company%22%3A%22Apple+Computer%2C+Inc.%22%2C%22os_company_url%22%3A%22http%3A%5C%2F%5C%2Fwww.apple.com%5C%2F%22%2C%22os_icon%22%3A%22http%3A%5C%2F%5C%2Fcdn.mandrill.com%5C%2Fimg%5C%2Femail-client-icons%5C%2Fmacosx.png%22%2C%22mobile%22%3Afalse%7D%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fmandrill.com%22%2C%22ts%22%3A1379233940%7D%5D"
+    },
+    "params": {
+      "mandrill_events": [{"event":"click","msg":{"ts":1365109999,"subject":"This an example webhook message","email":"example.webhook@mandrillapp.com","sender":"example.sender@mandrillapp.com","tags":["webhook-example"],"opens":[{"ts":1365111111}],"clicks":[{"ts":1365111111,"url":"http:\/\/mandrill.com"}],"state":"sent","metadata":{"user_id":111},"_id":"exampleaaaaaaaaaaaaaaaaaaaaaaaaa","_version":"exampleaaaaaaaaaaaaaaa"},"ip":"127.0.0.1","location":{"country_short":"US","country":"United States","region":"Oklahoma","city":"Oklahoma City","latitude":35.4675598145,"longitude":-97.5164337158,"postal_code":"73101","timezone":"-05:00"},"user_agent":"Mozilla\/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.8) Gecko\/20100317 Postbox\/1.1.3","user_agent_parsed":{"type":"Email Client","ua_family":"Postbox","ua_name":"Postbox 1.1.3","ua_version":"1.1.3","ua_url":"http:\/\/www.postbox-inc.com\/","ua_company":"Postbox, Inc.","ua_company_url":"http:\/\/www.postbox-inc.com\/","ua_icon":"http:\/\/cdn.mandrill.com\/img\/email-client-icons\/postbox.png","os_family":"OS X","os_name":"OS X 10.6 Snow Leopard","os_url":"http:\/\/www.apple.com\/osx\/","os_company":"Apple Computer, Inc.","os_company_url":"http:\/\/www.apple.com\/","os_icon":"http:\/\/cdn.mandrill.com\/img\/email-client-icons\/macosx.png","mobile":false},"url":"http:\/\/mandrill.com","ts":1379233940},{"event":"click","msg":{"ts":1365109999,"subject":"This an example webhook message","email":"example.webhook@mandrillapp.com","sender":"example.sender@mandrillapp.com","tags":["webhook-example"],"opens":[{"ts":1365111111}],"clicks":[{"ts":1365111111,"url":"http:\/\/mandrill.com"}],"state":"sent","metadata":{"user_id":111},"_id":"exampleaaaaaaaaaaaaaaaaaaaaaaaaa","_version":"exampleaaaaaaaaaaaaaaa"},"ip":"127.0.0.1","location":{"country_short":"US","country":"United States","region":"Oklahoma","city":"Oklahoma City","latitude":35.4675598145,"longitude":-97.5164337158,"postal_code":"73101","timezone":"-05:00"},"user_agent":"Mozilla\/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.8) Gecko\/20100317 Postbox\/1.1.3","user_agent_parsed":{"type":"Email Client","ua_family":"Postbox","ua_name":"Postbox 1.1.3","ua_version":"1.1.3","ua_url":"http:\/\/www.postbox-inc.com\/","ua_company":"Postbox, Inc.","ua_company_url":"http:\/\/www.postbox-inc.com\/","ua_icon":"http:\/\/cdn.mandrill.com\/img\/email-client-icons\/postbox.png","os_family":"OS X","os_name":"OS X 10.6 Snow Leopard","os_url":"http:\/\/www.apple.com\/osx\/","os_company":"Apple Computer, Inc.","os_company_url":"http:\/\/www.apple.com\/","os_icon":"http:\/\/cdn.mandrill.com\/img\/email-client-icons\/macosx.png","mobile":false},"url":"http:\/\/mandrill.com","ts":1379233940}]
+    }
+  }
+]

spec/mandrill-rails/web_hook_processor_spec.rb

@@ -30,4 +30,14 @@ def head(*args) ; end
     end
   end
 
+  describe "#generate_signature (private)" do
+    let(:example_payload) { webhook_example_event('click_with_signature') }
+    let(:expected_signature) { example_payload['headers']['X-Mandrill-Signature'] }
+    let(:original_url) { example_payload['original_url'] }
+    let(:webhook_key) { example_payload['private_key'] }
+    let(:params) { example_payload['raw_params'] }
+    subject { processor_instance.send(:generate_signature, webhook_key, original_url, params)}
+    it { should eql(expected_signature) }
+  end
+
 end

spec/support/fixtures_helper.rb

@@ -15,7 +15,11 @@ def webhook_example_events(sample_name)
 
   # Returns the JSON representation of an +sample_name+ event
   def webhook_example_event(sample_name)
-    webhook_example_events(sample_name).first
+    data = webhook_example_events(sample_name).first
+    if data['raw_params'] && (mandrill_events_data = data['raw_params']['mandrill_events'])
+      data['raw_params']['mandrill_events'] = URI.decode_www_form_component(mandrill_events_data)
+    end
+    data
   end
 
   def payload_examples_path