Moodle in English: Using Moodle as an LTI provider issues

LTI and Moodle

Using Moodle as an LTI provider issues

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Using Moodle as an LTI provider issues

by David Miron - Tuesday, March 26, 2013, 9:54 AM

Hi all

I am developing a third party application that will use Moodle as an LTI provider. I have installed Moodle 2.2 and the associated LTI plugin. I have created a course and the "LTI Provider" option appears in the Course menu as expected. I have created a forum and made it available through LTI. I have an ID and a "Shared Secret". These are as follows:

Shared secret = 93eeb5a58b6cec0994efd87d2c56201b and

Launch URL =http://localhost:8888/moodle22/local/ltiprovider/tool.php?id=3

Now using the test lms.php which comes with the LTI plugin I configure the Launch URL as above and the "Key" to the "Shared Secret" above.

I actually set the "Secret" to nothing. When I launch I get the following error:

"Access to the tool is disabled"

Can anyone please shed some light on what I am doing wrong or share an example LTI client that works?

Thnakyou in advance

David

Re: Using Moodle as an LTI provider issues

by Joshua Johnston - Wednesday, May 1, 2013, 10:37 PM

Hi David,

I have not used the lms.php test script but we have a python app that uses moodle as an lti provider. We set secret to a value we came up with on the consumer side. As of now, the secret can be anything as long as it isn't empty. As long as you provide the correct shared secret the consumer secret contents does not matter as long as it has something in it.

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