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This adapter processes the launch data so that it is compliant with the format that the Sakai Basic LTI provider expects. Firstly, the endpoint_url parameter is suffixed with the tool_id. Next the context_id is checked to see if it is a ~. If so, an , an additional parameter is added, ext_sakai_provider_eid with value of the user_id. This tells the Sakai Basic LTI provider that it is to treat the supplied user_id as the eid, ie jsmith26. Ordinary calls expect this to be the actual internal UUID for the user, which is unknown to external applications without a web service call so we use the available data instead. It also signals The value if ~ for the context_id signals to the provider that the site we are requesting is the user's My Workspace (signalled by the ~) so we are able to render tools from My Workspace if context_id=~site..
Launch data, example 1:
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endpoint_url=https://your.sakai.server/imsblti/provider/;; context_id=~;; tool_id=sakai.resources;; |
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