Category Archives: Uncategorized

Does LTI use OAuth?

Posted on February 10, 2013 by Andy

How to Think About OAuth I’ve been “following” Tim Bray for a very long time. Probably since Chris Sells organized an XML conference at the amazing Skamania Lodge. He recently wrote down some of his thoughts about OAuth in his … Continue reading →

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Refining the Tenant Registration

Posted on February 3, 2013 by Andy

In my last post I wrote about passing the Client ID from the SLC to the Sample LTI Consumer Website (consumer website). This is required because each SLC tenant will have a different Client ID for the consumer website and … Continue reading →

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IMS and SLC living together

Posted on February 2, 2013 by Andy

“Human sacrifice, dogs and cats living together… mass hysteria!” – Dr. Peter Venkman Can LTI and SLC live together peacefully or will there be mass hysteria? The IMS Global Learning Consortium is “Advancing Learning Impact by Enabling the Open Foundation … Continue reading →

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Mobile UI

Posted on January 13, 2013 by Andy

I’m experimenting with the jQuery Mobile and the mobile support in ASP.NET MVC. Using the Package Manager, I added jQuery.Mobile.MVC, and then created mobile specific views for Account > Login, Home > Index, and Course > Details. You might notice … Continue reading →

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Sample Provider Overview

Posted on January 6, 2013 by Andy

If you’ve been watching source code repository for this blog, you’ll know there is probably a sample provider website to go along with the sample consumer website…and there is! The sample provider website at http://provider.azurewebsites.net has the following features: Register … Continue reading →

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Updated Sample Consumer

Posted on December 24, 2012 by Andy

The sample consumer website at consumer.azurewebsites.net has had a lot of updates over the last month: Restructured as a “traditional” LMS or portal style website. Assignments are organized into courses. Users are teachers, students, or both and can be enrolled … Continue reading →

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Custom Substitution Parameters

Posted on December 24, 2012 by Andy

In my last post I wrote about some custom context parameters that consumer.azurewebsites.net would send with every LTI request. After reading a discussion in the LTI forum, I decided to implement the additional context data available via custom substitution parameters. … Continue reading →

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Extended context data

Posted on November 11, 2012 by Andy

The LTI 1.1.1 specification includes 2 sets of elements that are used by a tool provider to figure out the context of a launch: tool_consumer_instance (_guid, _name, _description, _url and _contact_email…that last if you are really desparate) context (_id, _type, … Continue reading →

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Using HtmlAgilityPack to convert the resource_link_description to plain text

Posted on November 10, 2012 by Andy

From the LTI 1.1.1 specification, resource_link_description=… A plain text[1] description of the link’s destination, suitable for display alongside the link. Typically no more than a few lines long. This parameter is optional. [1] Plain text means that the Tool Provider … Continue reading →

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Online Tool Consumer now supports Twitter, Facebook, Google, and Microsoft Live login

Posted on November 10, 2012 by Andy

My sample tool consumer web site is based on the ASP.NET MVC 4 Web Application Template. I chose to start with a template so I could get right to the stuff that I find interesting and not worry too much … Continue reading →

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