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upgrade to latest dependencies (#594)
bumping knative.dev/pkg 15e6cdf...339c22b: > 339c22b Add AuthenticatableType duck type (# 3056) bumping knative.dev/networking 85e269d...3b8764c: > 3b8764c upgrade to latest dependencies (# 989) bumping knative.dev/eventing ea8f0fd...e298f32: > e298f32 Add authz library (# 8002) > 1a21fee Add all JobSink symlinks in config/ (# 8007) > 2157639 Add validation for EventPolicy sub suffix matching (# 8008) > 0eee301 Propagate read error correctly in event-dispatcher (# 8005) > 43cf75a [main] Upgrade to latest dependencies (# 8004) bumping knative.dev/serving 1f7cc48...f464e2d: > f464e2d upgrade to latest dependencies (# 15329) > 0b61640 Update net-kourier nightly (# 15314) > 8d768f5 Cert rotation test does not use specific ingress namespace (# 15331) Signed-off-by: Knative Automation <automation@knative.team>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| Copyright 2024 The Knative Authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package auth | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "knative.dev/eventing/pkg/apis/eventing/v1alpha1" | ||
| listerseventingv1alpha1 "knative.dev/eventing/pkg/client/listers/eventing/v1alpha1" | ||
| "knative.dev/pkg/resolver" | ||
| ) | ||
|
|
||
| // GetEventPoliciesForResource returns the applying EventPolicies for a given resource | ||
| func GetEventPoliciesForResource(lister listerseventingv1alpha1.EventPolicyLister, resourceGVK schema.GroupVersionKind, resourceObjectMeta metav1.ObjectMeta) ([]*v1alpha1.EventPolicy, error) { | ||
| policies, err := lister.EventPolicies(resourceObjectMeta.GetNamespace()).List(labels.Everything()) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to list eventpolicies: %w", err) | ||
| } | ||
|
|
||
| relevantPolicies := []*v1alpha1.EventPolicy{} | ||
|
|
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| for _, policy := range policies { | ||
| if len(policy.Spec.To) == 0 { | ||
| // policy applies to all resources in namespace | ||
| relevantPolicies = append(relevantPolicies, policy) | ||
| } | ||
|
|
||
| for _, to := range policy.Spec.To { | ||
| if to.Ref != nil { | ||
| refGV, err := schema.ParseGroupVersion(to.Ref.APIVersion) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot split apiVersion into group and version: %s", to.Ref.APIVersion) | ||
| } | ||
|
|
||
| if strings.EqualFold(to.Ref.Name, resourceObjectMeta.GetName()) && | ||
| strings.EqualFold(refGV.Group, resourceGVK.Group) && | ||
| strings.EqualFold(to.Ref.Kind, resourceGVK.Kind) { | ||
|
|
||
| relevantPolicies = append(relevantPolicies, policy) | ||
| break // no need to check the other .spec.to's from this policy | ||
| } | ||
| } | ||
|
|
||
| if to.Selector != nil { | ||
| selectorGV, err := schema.ParseGroupVersion(to.Selector.APIVersion) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot split apiVersion into group and version: %s", to.Selector.APIVersion) | ||
| } | ||
|
|
||
| if strings.EqualFold(selectorGV.Group, resourceGVK.Group) && | ||
| strings.EqualFold(to.Selector.Kind, resourceGVK.Kind) { | ||
|
|
||
| selector, err := metav1.LabelSelectorAsSelector(to.Selector.LabelSelector) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse selector: %w", err) | ||
| } | ||
|
|
||
| if selector.Matches(labels.Set(resourceObjectMeta.Labels)) { | ||
| relevantPolicies = append(relevantPolicies, policy) | ||
| break // no need to check the other .spec.to's from this policy | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return relevantPolicies, nil | ||
| } | ||
|
|
||
| // ResolveSubjects returns the OIDC service accounts names for the objects referenced in the EventPolicySpecFrom. | ||
| func ResolveSubjects(resolver *resolver.AuthenticatableResolver, eventPolicy *v1alpha1.EventPolicy) ([]string, error) { | ||
| allSAs := []string{} | ||
| for _, from := range eventPolicy.Spec.From { | ||
| if from.Ref != nil { | ||
| sas, err := resolveSubjectsFromReference(resolver, *from.Ref, eventPolicy) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not resolve subjects from reference: %w", err) | ||
| } | ||
| allSAs = append(allSAs, sas...) | ||
| } else if from.Sub != nil { | ||
| allSAs = append(allSAs, *from.Sub) | ||
| } | ||
| } | ||
|
|
||
| return allSAs, nil | ||
| } | ||
|
|
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| func resolveSubjectsFromReference(resolver *resolver.AuthenticatableResolver, reference v1alpha1.EventPolicyFromReference, trackingEventPolicy *v1alpha1.EventPolicy) ([]string, error) { | ||
| authStatus, err := resolver.AuthStatusFromObjectReference(&corev1.ObjectReference{ | ||
| APIVersion: reference.APIVersion, | ||
| Kind: reference.Kind, | ||
| Namespace: reference.Namespace, | ||
| Name: reference.Name, | ||
| }, trackingEventPolicy) | ||
|
|
||
| if err != nil { | ||
| return nil, fmt.Errorf("could not resolve auth status: %w", err) | ||
| } | ||
|
|
||
| objSAs := authStatus.ServiceAccountNames | ||
| if authStatus.ServiceAccountName != nil { | ||
| objSAs = append(objSAs, *authStatus.ServiceAccountName) | ||
| } | ||
|
|
||
| objFullSANames := make([]string, 0, len(objSAs)) | ||
| for _, sa := range objSAs { | ||
| objFullSANames = append(objFullSANames, fmt.Sprintf("system:serviceaccount:%s:%s", reference.Namespace, sa)) | ||
| } | ||
|
|
||
| return objFullSANames, nil | ||
| } | ||
|
|
||
| // SubjectContained checks if the given sub is contained in the list of allowedSubs | ||
| // or if it matches a prefix pattern in subs (e.g. system:serviceaccounts:my-ns:*) | ||
| func SubjectContained(sub string, allowedSubs []string) bool { | ||
| for _, s := range allowedSubs { | ||
| if strings.EqualFold(s, sub) { | ||
| return true | ||
| } | ||
|
|
||
| if strings.HasSuffix(s, "*") && | ||
| strings.HasPrefix(sub, strings.TrimSuffix(s, "*")) { | ||
| return true | ||
| } | ||
| } | ||
|
|
||
| return false | ||
| } |
99 changes: 99 additions & 0 deletions
99
vendor/knative.dev/eventing/pkg/client/listers/eventing/v1alpha1/eventpolicy.go
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27 changes: 27 additions & 0 deletions
27
vendor/knative.dev/eventing/pkg/client/listers/eventing/v1alpha1/expansion_generated.go
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