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  1. Sakai
  2. SAK-42352

Make sure that LTI 1.3 Launches from the editor sends the appropriate values

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    Details

    • Type: Bug
    • Status: Verified
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 19.3, 20.0
    • Component/s: BasicLTI
    • Labels:
      None
    • 19 status:
      Verified
    • Test Plan:
      Hide

      Set up an LTI 1.3 tool as an App store in Sakai using these instructions.

      https://www.tsugi.org/md/ADVANTAGE_SAKAI.md

      Make sure to check "Always Debug" on your Sakai tool.

      Go into a site with an assignment tool. Add a new assignment. Click on the Shopping cart - pick the tool you just installed (must be an LTI 1.3 tool).

      You should see a debug screen with "Proceed with LTI 1.3 Launch". Look for the strings "accept_types" and "accept_multiple".

      If this bug is not fixed, you should see:

      "accept_types":["ltiResourceLink"]
      "accept_multiple":false

      If this bug is fixed you should see:

      "accept_types":["ltiResourceLink","link","image"]
      "accept_multiple":true

      There are also good and bad screen shots.

       

      Show
      Set up an LTI 1.3 tool as an App store in Sakai using these instructions. https://www.tsugi.org/md/ADVANTAGE_SAKAI.md Make sure to check "Always Debug" on your Sakai tool. Go into a site with an assignment tool. Add a new assignment. Click on the Shopping cart - pick the tool you just installed (must be an LTI 1.3 tool). You should see a debug screen with "Proceed with LTI 1.3 Launch". Look for the strings "accept_types" and "accept_multiple". If this bug is not fixed, you should see: "accept_types": ["ltiResourceLink"] "accept_multiple":false If this bug is fixed you should see: "accept_types": ["ltiResourceLink","link","image"] "accept_multiple":true There are also good and bad screen shots.  

      Description

      When the CKeditor launches an LTI Advantage Deep Link 2.0 (LTI Advantage) request, it needs to tell the external tool what kind of objects it can handle and whether or not it can handle more than one result.   The way this is done differs between LTI 1.1 and LTI 1.3 Deep Link launches.

      LTI 1.3 launches are sending the wrong values.  See

      https://www.imsglobal.org/spec/lti-dl/v2p0

      Search for "accept_types" and "accept_multiple".

       

        Gliffy Diagrams

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            1. 09052019_lti_debug.gif
              09052019_lti_debug.gif
              36 kB
            2. SAK-42352-Bad.png
              SAK-42352-Bad.png
              340 kB
            3. SAK-42352-Good.png
              SAK-42352-Good.png
              379 kB

              Issue Links

              is depended on by

              Bug - A problem which impairs or prevents functionality of the product. SAK-42353 Improve behavior with LTI Content items when the corresponding tool is deleted

              • Minor - Minor loss of function, problem where easy workaround is present, or functionality which would be nice to have.
              • Verified

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                  People

                  • Assignee:
                    csev Charles Severance
                    Reporter:
                    csev Charles Severance
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                    Dates

                    • Created:
                      Updated:
                      Resolved:

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