- Token validation is done against the template
- Template is always extended with default values for auth and placeholders
- MapConfig is extended, in order to validate auth_toknes, with template info:
- template name
- template auth
- No more locks to create, update or delete templates
- Trusting in redis' hash semantics
- Some tradeoffs:
* A client having more templates than allowed by a race condition
between limit (HLEN) check and creation (HSET)
* Updating a template could happen while the deleting it, resulting in
in a new template
* Templates already instantiated will be accessible thrught their
layergroup so it is possible to continue requesting tiles/grids/etc.
- Authorization is now handled by template maps
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