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[#989] util: Introduce any and all statements for ape rule parsing

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Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
This commit is contained in:
Airat Arifullin 2024-02-16 13:13:54 +03:00 committed by Evgenii Stratonikov
parent 613e11c4d2
commit 0f064b7962
2 changed files with 22 additions and 0 deletions
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3
cmd/frostfs-cli/docs/policy.md
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@ -30,6 +30,9 @@ Actions is a regular operations upon FrostFS containers/objects. Like `Object.Pu
In status section it is possible to use `allow`, `deny` or `deny:QuotaLimitReached` actions.
If a statement does not contain lexeme `any`, field `Any` is set to `false` by default. Otherwise, it is set
to `true`. Optionally, `all` can be used - it also sets `Any=false`.
It is prohibited to mix operation under FrostFS container and object in one rule.
The same statement is equal for conditions and resources - one rule is for one type of items.

19
cmd/frostfs-cli/modules/util/ape.go
View file

@ -100,6 +100,8 @@ func ParseAPEChain(chain *apechain.Chain, rules []string) error {
// deny:QuotaLimitReached Object.Put *
// allow Object.Put *
// allow Object.Get Object.Resource:Department=HR Object.Request:Actor=ownerA *
// allow Object.Get any Object.Resource:Department=HR Object.Request:Actor=ownerA *
// allow Object.Get all Object.Resource:Department=HR Object.Request:Actor=ownerA *
//
//nolint:godot
func ParseAPERule(r *apechain.Rule, rule string) error {
@ -123,6 +125,12 @@ func parseRuleLexemes(r *apechain.Rule, lexemes []string) error {
var isObject *bool
for i, lexeme := range lexemes[1:] {
anyExpr, anyErr := parseAnyAll(lexeme)
if anyErr == nil {
r.Any = anyExpr
continue
}
var name string
var actionType bool
name, actionType, err = parseAction(lexeme)
@ -158,6 +166,17 @@ func parseRuleLexemes(r *apechain.Rule, lexemes []string) error {
return nil
}
func parseAnyAll(lexeme string) (bool, error) {
switch strings.ToLower(lexeme) {
case "any":
return true, nil
case "all":
return false, nil
default:
return false, fmt.Errorf("any/all is not parsed")
}
}
func parseStatus(lexeme string) (apechain.Status, error) {
action, expression, found := strings.Cut(lexeme, ":")
switch strings.ToLower(action) {