Module: IMS::LTI

Defined in:
lib/ims/lti.rb,
lib/ims/lti/tool_base.rb,
lib/ims/lti/extensions.rb,
lib/ims/lti/tool_config.rb,
lib/ims/lti/launch_params.rb,
lib/ims/lti/tool_consumer.rb,
lib/ims/lti/tool_provider.rb,
lib/ims/lti/outcome_request.rb,
lib/ims/lti/outcome_response.rb,
lib/ims/lti/extensions/canvas.rb,
lib/ims/lti/request_validator.rb,
lib/ims/lti/extensions/content.rb,
lib/ims/lti/extensions/outcome_data.rb

Overview

:main:IMS::LTI LTI is a standard defined by IMS for creating eduction Tool Consumers/Providers. LTI documentation: www.imsglobal.org/lti/index.html

When creating these tools you will work primarily with the ToolProvider and ToolConsumer classes.

For validating OAuth request be sure to require the necessary proxy request object. See IMS::LTI::RequestValidator#valid_request? for more documentation.

Installation

This is packaged as the ‘ims-lti` rubygem, so you can just add the dependency to your Gemfile or install the gem on your system:

gem install ims-lti

To require the library in your project:

require 'ims/lti'

Defined Under Namespace

Modules: Extensions, LaunchParams, RequestValidator Classes: InvalidLTIConfigError, OutcomeRequest, OutcomeResponse, ToolBase, ToolConfig, ToolConsumer, ToolProvider

Constant Summary collapse

VERSIONS =

The versions of LTI this library supports

%w{1.0 1.1}

Class Method Summary collapse

Class Method Details

.generate_identifier ⇒ Object

Generates a unique identifier



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# File 'lib/ims/lti.rb', line 49

def self.generate_identifier
  SecureRandom.uuid
end

.post_service_request(key, secret, url, content_type, body) ⇒ Object

POST a signed oauth request with the given key/secret/data

Raises:



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# File 'lib/ims/lti.rb', line 36

def self.post_service_request(key, secret, url, content_type, body)
  raise IMS::LTI::InvalidLTIConfigError, "" unless key && secret

  consumer = OAuth::Consumer.new(key, secret)
  token = OAuth::AccessToken.new(consumer)
  token.post(
          url,
          body,
          'Content-Type' => content_type
  )
end