d7a75c5b5d
Use a hash algorithm to match client IDs to Kubernetes object names. Because cryptographic hash algorithms produce sums larger than a Kubernetes name can fit, a non-cryptographic hash is used instead. Hash collisions are checked and result in errors.
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package kubernetes
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import (
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"hash"
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"hash/fnv"
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"sync"
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"testing"
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)
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// This test does not have an explicit error condition but is used
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// with the race detector to detect the safety of idToName.
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func TestIDToName(t *testing.T) {
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n := 100
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var wg sync.WaitGroup
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wg.Add(n)
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c := make(chan struct{})
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h := func() hash.Hash { return fnv.New64() }
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for i := 0; i < n; i++ {
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go func() {
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<-c
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name := idToName("foo", h)
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_ = name
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wg.Done()
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}()
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}
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close(c)
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wg.Wait()
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}
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func TestNamespaceFromServiceAccountJWT(t *testing.T) {
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namespace, err := namespaceFromServiceAccountJWT(serviceAccountToken)
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if err != nil {
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t.Fatal(err)
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}
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wantNamespace := "dex-test-namespace"
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if namespace != wantNamespace {
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t.Errorf("expected namespace %q got %q", wantNamespace, namespace)
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}
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}
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var serviceAccountToken = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.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.KViBpPwCiBwxDvAjYUUXoVvLVwqV011aLlYQpNtX12Bh8M-QAFch-3RWlo_SR00bcdFg_nZo9JKACYlF_jHMEsf__PaYms9r7vEaSg0jPfkqnL2WXZktzQRyLBr0n-bxeUrbwIWsKOAC0DfFB5nM8XoXljRmq8yAx8BAdmQp7MIFb4EOV9nYthhua6pjzYyaFSiDiYTjw7HtXOvoL8oepodJ3-37pUKS8vdBvnvUoqC4M1YAhkO5L36JF6KV_RfmG8GPEdNQfXotHcsR-3jKi1n8S5l7Xd-rhrGOhSGQizH3dORzo9GvBAhYeqbq1O-NLzm2EQUiMQayIUx7o4g3Kw"
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// The following program was used to generate the example token. Since we don't want to
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// import Kubernetes, just leave it as a comment.
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/*
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package main
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import (
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"crypto/rand"
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"crypto/rsa"
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"fmt"
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"log"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/serviceaccount"
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"k8s.io/kubernetes/pkg/util/uuid"
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)
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func main() {
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key, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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log.Fatal(err)
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}
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sa := api.ServiceAccount{
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ObjectMeta: api.ObjectMeta{
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Namespace: "dex-test-namespace",
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Name: "dotherobot",
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UID: uuid.NewUUID(),
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},
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}
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secret := api.Secret{
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ObjectMeta: api.ObjectMeta{
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Namespace: "dex-test-namespace",
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Name: "dotherobot-secret",
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UID: uuid.NewUUID(),
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},
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}
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token, err := serviceaccount.JWTTokenGenerator(key).GenerateToken(sa, secret)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(token)
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}
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*/
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