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ca8c09ae10
In accordance with OpenID Connect 1.0 Core, draft 36 incorporating errata set 3: > aud > REQUIRED. Audience. The aud (audience) Claim. [...] The Audience value MUST be the OP's Issuer Identifier passed as a string, and not a single-element array.
76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
package client_test
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import (
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"encoding/base64"
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"encoding/json"
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"strings"
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"testing"
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"time"
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"github.com/lestrrat-go/jwx/v2/jwt"
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"github.com/stretchr/testify/assert"
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"github.com/nais/wonderwall/pkg/mock"
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"github.com/nais/wonderwall/pkg/openid/client"
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)
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func TestMakeAssertion(t *testing.T) {
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cfg := mock.Config()
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cfg.OpenID.ClientID = "some-client-id"
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openidConfig := mock.NewTestConfiguration(cfg)
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openidConfig.TestProvider.SetIssuer("some-issuer")
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c := newTestClientWithConfig(openidConfig)
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expiry := 30 * time.Second
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jwtAssertion, err := c.MakeAssertion(expiry)
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assert.NoError(t, err)
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assertFlattenedAudience(t, jwtAssertion)
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key := openidConfig.Client().ClientJWK()
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publicKey, err := key.PublicKey()
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assert.NoError(t, err)
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opts := []jwt.ParseOption{
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jwt.WithKey(publicKey.Algorithm(), publicKey),
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jwt.WithRequiredClaim(jwt.IssuedAtKey),
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jwt.WithRequiredClaim(jwt.ExpirationKey),
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jwt.WithRequiredClaim(jwt.JwtIDKey),
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}
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assertion, err := jwt.ParseString(jwtAssertion, opts...)
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assert.NoError(t, err)
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assert.ElementsMatch(t, []string{"some-issuer"}, assertion.Audience())
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assert.Equal(t, "some-client-id", assertion.Issuer())
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assert.Equal(t, "some-client-id", assertion.Subject())
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assert.True(t, assertion.IssuedAt().Before(time.Now()))
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assert.True(t, assertion.Expiration().After(time.Now()))
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assert.True(t, assertion.Expiration().Before(time.Now().Add(expiry)))
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}
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// assertFlattenedAudience asserts that the raw JWT assertion has a flattened audience claim, i.e. aud is a string value.
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// We do this as the jwx library only exposes the audience as a slice of strings for parsed JWTs.
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func assertFlattenedAudience(t *testing.T, jwtAssertion string) {
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parts := strings.Split(jwtAssertion, ".")
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assert.Len(t, parts, 3)
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rawClaims, err := base64.RawURLEncoding.DecodeString(parts[1])
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assert.NoError(t, err)
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claims := make(map[string]any)
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err = json.Unmarshal(rawClaims, &claims)
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assert.NoError(t, err)
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assert.Equal(t, "some-issuer", claims["aud"])
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}
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func newTestClientWithConfig(config *mock.TestConfiguration) *client.Client {
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jwksProvider := mock.NewTestJwksProvider()
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return client.NewClient(config, jwksProvider)
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}
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func newTestClient() *client.Client {
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return newTestClientWithConfig(mock.NewTestConfiguration(mock.Config()))
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}
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