Class: LtiBoxEngine::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/lti_box_engine/client.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Client 



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# File 'lib/lti_box_engine/client.rb', line 10

def initialize
  @error_message = nil
end

Instance Attribute Details

#error_message ⇒ Object

Returns the value of attribute error_message.



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# File 'lib/lti_box_engine/client.rb', line 8

def error_message
  @error_message
end

Class Method Details

.box_url_to_box_embed_url(url) ⇒ Object 



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# File 'lib/lti_box_engine/client.rb', line 18

def self.box_url_to_box_embed_url(url)
  embed_id = url.strip.split('/').last
  "https://app.box.com/embed_widget/s/#{embed_id}?view=list&sort=name&direction=ASC&theme=blue"
end

Instance Method Details

#authorize!(request, opts = {}) ⇒ Object 



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# File 'lib/lti_box_engine/client.rb', line 23

def authorize!(request, opts = {})
  @error_message = nil
  key = opts['oauth_consumer_key']
  tp = IMS::LTI::ToolProvider.new(key, $oauth_creds[key], opts)

  if !tp.valid_request?(request)
    register_error("The OAuth signature was invalid")
    return nil
  end

  if Time.now.utc.to_i - tp.request_oauth_timestamp.to_i > 60*60
    register_error("Your request is too old.")
    return nil
  end

  if !LtiLaunch.valid_nonce?(tp.request_oauth_nonce, 60)
    register_error("Nonce has already been used.")
    return nil
  end

  tp.extend IMS::LTI::Extensions::Content::ToolProvider

  return tp
end

#register_error(message) ⇒ Object 



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# File 'lib/lti_box_engine/client.rb', line 14

def register_error(message)
  @error_message = message
end