mahara-contributors team mailing list archive

[Kristina Hoeppner <1697909@xxxxxxxxxxxxxxxxxx>]

The idea to circumvent this problem of LMSs passing through custom
variables that we don't need is to strip out the checking for custom
parameters (as they are not part of the standard).

When the site is in developermode / productionmode = false, an error
would be thrown so that the site admin is aware of custom parameters
being passed through.

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https://bugs.launchpad.net/bugs/1697909

Title:
  LTI (Canvas) gives exception: WebserviceInvalidParameterException

Status in Mahara:
  Confirmed
Status in Mahara 17.04 series:
  Confirmed
Status in Mahara 17.10 series:
  Confirmed

Bug description:
  Having set up LTI in Mahara and provided Canvas with the Key/Secret
  and Launch URL:

  http://mahara-dev.stir.ac.uk/webservice/rest/server.php

  and custom parameter:

  wsfunction=module_lti_launch

  Clicking on the Mahara link gets:

  <EXCEPTION
  class="WebserviceInvalidParameterException"><ERRORCODE>invalidparameter</ERRORCODE><MESSAGE>Invalid
  parameter value detected; execution cannot continue.  : Unexpected
  keys
  (custom_canvas_course_uuid,custom_canvas_user_uuid,lis_course_offering_sourcedid,)
  detected in parameter array.</MESSAGE></EXCEPTION>

  similiar comes from Blackboard

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