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util.roles: Add a :policies() method to iterate through available policies

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We don't expose the policies directly, to force people to go through :may().
However, there are times when we really just need to know what policies a
role has inside it (e.g. for reporting or debugging purposes).
This commit is contained in:
Matthew Wild 2022-10-07 17:01:35 +01:00
parent bda9ea678c
commit d08ddc1f4a
1 changed files with 10 additions and 0 deletions
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10
util/roles.lua
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@ -86,6 +86,16 @@ function role_methods:set_permission(permission_name, policy, overwrite)
return true;
end
function role_methods:policies()
local policy_iterator, s, v = it.join(pairs(self[permissions_key]));
if self.inherits then
for _, inherited_role in ipairs(self.inherits) do
policy_iterator:append(inherited_role:policies());
end
end
return policy_iterator, s, v;
end
function role_mt.__tostring(self)
return ("role<[%s] %s>"):format(self.id or "nil", self.name or "[no name]");
end