SAK-24180

Encrypt secrets in the DB

Check permissions before allowing access to services



git-svn-id: https://source.sakaiproject.org/svn/basiclti/branches/BLTI-230@131373 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-24180

Whitespace



git-svn-id: https://source.sakaiproject.org/svn/basiclti/branches/BLTI-230@131374 66ffb92e-73f9-0310-93c1-f5514f145a0a