feat: strict policy definition validation #1688
Merged
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WHAT
Enables strict policy definition validation by default. If necessary the validation can be disabled with helm configuration/ env variables.
Two additional Constraint functions were introduced:
ContractReferenceConstraintFunction
(cx-policy:ContractReference
)UsagePurposeConstraintFunction
(cx-policy:UsagePurpose
)Both evaluate to
true
always, they are only there as placeholder for enabling the validation of policy definitions.WHY
user experience
FURTHER NOTES
The current validation only checks if there are functions that can be evaluated with the posted policy definition and the left operand is bound to at least a policy context.
Additional validation could be introduced in policy functions by implementing
AtomicConstraintRuleFunction#validate
which allows validating for example right operand values and operators supported.Closes #1685