Good tool_provider and request.

gistfile1.rb

 GOOD:
 => #<IMS::LTI::ToolProvider:0x007fb4f1425f88
 @consumer_key="test",
 @consumer_secret="secret",
 @context_id="creativity13",

 @context_title="Crash Course in Creativity",
 @custom_params=
  {"message_from_sinatra"=>"hey from the sinatra example consumer"},
 
 @ext_params={},
 
 @launch_presentation_return_url="http://localhost:3000/tool_return",
 @lis_outcome_service_url="http://localhost:3000/grade_passback",
 
 @lis_person_name_given="kimball",
 @lis_result_sourcedid="oi",
 @lti_message_type="basic-lti-launch-request",
 @lti_version="LTI-1p0",
 @non_spec_params={},

 @oauth_consumer_key="test",
 @oauth_nonce="b3luC52faPe7k6wTga0N894R0bqildh11w6GNpm6hg",
 @oauth_signature="6kQvehKsxqOVOZG5AvMtTfw1z08=",
 @oauth_signature_method="HMAC-SHA1",
 @oauth_timestamp="1381515545",
 @oauth_version="1.0",
 @outcome_requests=[],
 @resource_link_id="thisisuniquetome",

 @roles=["learner"],


 @tool_consumer_instance_name="NovoEd",
 @user_id="6b743689ac31c9b583361670b7928630">

 => #<Sinatra::Request:0x007fb4f2274ee0
 @env=
  {"CONTENT_LENGTH"=>"720",
   "CONTENT_TYPE"=>"application/x-www-form-urlencoded",
   "GATEWAY_INTERFACE"=>"CGI/1.1",
   "PATH_INFO"=>"/lti_tool",
   "QUERY_STRING"=>"",
   "REMOTE_ADDR"=>"127.0.0.1",
   "REMOTE_HOST"=>"localhost",
   "REQUEST_METHOD"=>"POST",
   "REQUEST_URI"=>"http://localhost:9394/lti_tool",
   "SCRIPT_NAME"=>"",
   "SERVER_NAME"=>"localhost",
   "SERVER_PORT"=>"9394",
   "SERVER_PROTOCOL"=>"HTTP/1.1",
   "SERVER_SOFTWARE"=>"WEBrick/1.3.1 (Ruby/1.9.3/2013-02-22)",
   "HTTP_HOST"=>"localhost:9394",
   "HTTP_CONNECTION"=>"keep-alive",
   "HTTP_CACHE_CONTROL"=>"max-age=0",
   "HTTP_ACCEPT"=>
    "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
   "HTTP_ORIGIN"=>"http://localhost:3000",
   "HTTP_USER_AGENT"=>
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.65 Safari/537.36",
   "HTTP_REFERER"=>"http://localhost:3000/tool_launch",
   "HTTP_ACCEPT_ENCODING"=>"gzip,deflate,sdch",
   "HTTP_ACCEPT_LANGUAGE"=>"en-US,en;q=0.8",
   "HTTP_COOKIE"=>
    "request_method=GET; _scaffold_session=cm5xRWhFL0lRa1FaaXdDazVYbTN0MGhjQ1IwQ0h2d1A3emh3UWdYODlZOHp5aHc3V003MHdGU0x6T2lpWWZBaGp0azREU3FSaVFaTWx1Q252Y1lNZjJ
   "rack.version"=>[1, 2],
   "rack.input"=>
    #<Rack::Lint::InputWrapper:0x007fb4f15a3450
     @input=#<StringIO:0x007fb4f11e1218>>,
   "rack.errors"=>
    #<Rack::Lint::ErrorWrapper:0x007fb4f15aefd0 @error=#<IO:<STDERR>>>,
   "rack.multithread"=>true,
   "rack.multiprocess"=>false,
   "rack.run_once"=>false,
   "rack.url_scheme"=>"http",
   "HTTP_VERSION"=>"HTTP/1.1",
   "REQUEST_PATH"=>"/lti_tool",
   "sinatra.commonlogger"=>true,
   "rack.request.form_input"=>
    #<Rack::Lint::InputWrapper:0x007fb4f15a3450
     @input=#<StringIO:0x007fb4f11e1218>>,
   "rack.request.form_hash"=>
    {"oauth_consumer_key"=>"test",
     "oauth_signature_method"=>"HMAC-SHA1",
     "oauth_timestamp"=>"1381515545",
     "oauth_nonce"=>"b3luC52faPe7k6wTga0N894R0bqildh11w6GNpm6hg",
     "oauth_version"=>"1.0",
     "context_id"=>"creativity13",
     "context_title"=>"Crash Course in Creativity",
     "custom_message_from_sinatra"=>"hey from the sinatra example consumer",
     "launch_presentation_return_url"=>"http://localhost:3000/tool_return",
     "lis_outcome_service_url"=>"http://localhost:3000/grade_passback",
     "lis_person_name_given"=>"kimball",
     "lis_result_sourcedid"=>"oi",
     "lti_message_type"=>"basic-lti-launch-request",
     "lti_version"=>"LTI-1p0",
     "resource_link_id"=>"thisisuniquetome",
     "roles"=>"learner",
     "tool_consumer_instance_name"=>"NovoEd",
     "user_id"=>"6b743689ac31c9b583361670b7928630",
     "oauth_signature"=>"6kQvehKsxqOVOZG5AvMtTfw1z08="},
   "rack.request.form_vars"=>
    "oauth_consumer_key=test&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1381515545&oauth_nonce=b3luC52faPe7k6wTga0N894R0bqildh11w6GNpm6hg&oauth_version=
   "rack.logger"=>
    #<Logger:0x007fb4f20c5f18
     @default_formatter=
      #<Logger::Formatter:0x007fb4f20c5e78 @datetime_format=nil>,
     @formatter=nil,
     @level=1,
     @logdev=
      #<Logger::LogDevice:0x007fb4f20c5e28
       @dev=#<Rack::Lint::ErrorWrapper:0x007fb4f15aefd0 @error=#<IO:<STDERR>>>,
       @filename=nil,
       @mutex=
        #<Logger::LogDevice::LogDeviceMutex:0x007fb4f20c5db0
         @mon_count=0,
         @mon_mutex=#<Mutex:0x007fb4f20c5d38>,
         @mon_owner=nil>,
       @shift_age=nil,
       @shift_size=nil>,
     @progname=nil>,
   "rack.session"=>
    {"csrf"=>"f2f26674ecd173bc5bb22a39c0e8c7492d0f9263cba5dbacf01b89bedd6260ae", "tracking"=>{"HTTP_USER_AGENT"=>"1c511875ee287e7aeb0b4415ff9ff14257b051d2", "
   "rack.session.options"=>
    {:path=>"/",
     :domain=>nil,
     :expire_after=>nil,
     :secure=>false,
     :httponly=>true,
     :defer=>false,
     :renew=>false,
     :sidbits=>128,
     :secure_random=>SecureRandom,
     :coder=>#<Rack::Session::Cookie::Base64::Marshal:0x007fb4f11fe3e0>},
   "rack.request.cookie_hash"=>
    {"request_method"=>"GET",
     "_scaffold_session"=>
      "cm5xRWhFL0lRa1FaaXdDazVYbTN0MGhjQ1IwQ0h2d1A3emh3UWdYODlZOHp5aHc3V003MHdGU0x6T2lpWWZBaGp0azREU3FSaVFaTWx1Q252Y1lNZjJwSkRWb2hwM1E2R2Z6U0srMDErTjk0VitEM2l
     "PHPSESSID"=>"dd04306323ef3a25f294f12da620ab4b",
     "rack.session"=>
      "BAh7CEkiCWNzcmYGOgZFRiJFZDc1MjEzYTU0MTZiNmFhNzMwNTViMDRmNTg0\nYjE3ZmZkYzM4MjI0ZGEzNTZlNjE2Y2MyMzFmNDE1NDE1ZTM0NUkiDXRyYWNr\naW5nBjsARnsISSIUSFRUUF9VU0V
     "_entrepreneurship_session"=>
      "BAh7BzoQX2NzcmZfdG9rZW5JIjFTdkU0QzFXQVA1dFQ0ZHFETTJlandqeDNHbEtMeHMxbzE2RTdGWHhWUFMwPQY6BkVGSSIPc2Vzc2lvbl9pZAY7BkZJIiU4NjQ1OTY4MzhhNDU4OWU3ZmYzZGEyZTQ
   "rack.request.cookie_string"=>
    "request_method=GET; _scaffold_session=cm5xRWhFL0lRa1FaaXdDazVYbTN0MGhjQ1IwQ0h2d1A3emh3UWdYODlZOHp5aHc3V003MHdGU0x6T2lpWWZBaGp0azREU3FSaVFaTWx1Q252Y1lNZjJ
   "rack.session.unpacked_cookie_data"=>
    {"csrf"=>
      "d75213a5416b6aa73055b04f584b17ffdc38224da356e616cc231f415415e345",
     "tracking"=>
      {"HTTP_USER_AGENT"=>"1c511875ee287e7aeb0b4415ff9ff14257b051d2",
       "HTTP_ACCEPT_ENCODING"=>"ed2b3ca90a4e723402367a1d17c8b28392842398",
       "HTTP_ACCEPT_LANGUAGE"=>"66eae971492938c2dcc2fb1ddc8d7ec3196037da"},
     "session_id"=>
      "71df15b3be4eb7db6a2b865f06b6bfbc97eda69f674bd05be2ca7b8d4038a110"},
   "rack.request.query_string"=>"",
   "rack.request.query_hash"=>{},
   "sinatra.route"=>"POST /lti_tool"},
 @params=
  {"oauth_consumer_key"=>"test",
   "oauth_signature_method"=>"HMAC-SHA1",
   "oauth_timestamp"=>"1381515545",
   "oauth_nonce"=>"b3luC52faPe7k6wTga0N894R0bqildh11w6GNpm6hg",
   "oauth_version"=>"1.0",
   "context_id"=>"creativity13",
   "context_title"=>"Crash Course in Creativity",
   "custom_message_from_sinatra"=>"hey from the sinatra example consumer",
   "launch_presentation_return_url"=>"http://localhost:3000/tool_return",
   "lis_outcome_service_url"=>"http://localhost:3000/grade_passback",
   "lis_person_name_given"=>"kimball",
   "lis_result_sourcedid"=>"oi",
   "lti_message_type"=>"basic-lti-launch-request",
   "lti_version"=>"LTI-1p0",
   "resource_link_id"=>"thisisuniquetome",
   "roles"=>"learner",
   "tool_consumer_instance_name"=>"NovoEd",
   "user_id"=>"6b743689ac31c9b583361670b7928630",
   "oauth_signature"=>"6kQvehKsxqOVOZG5AvMtTfw1z08="}>