68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package op
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import (
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"context"
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"github.com/zitadel/oidc/v3/pkg/oidc"
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)
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type IDTokenHintVerifier oidc.Verifier
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type IDTokenHintVerifierOpt func(*IDTokenHintVerifier)
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func WithSupportedIDTokenHintSigningAlgorithms(algs ...string) IDTokenHintVerifierOpt {
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return func(verifier *IDTokenHintVerifier) {
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verifier.SupportedSignAlgs = algs
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}
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}
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func NewIDTokenHintVerifier(issuer string, keySet oidc.KeySet, opts ...IDTokenHintVerifierOpt) *IDTokenHintVerifier {
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verifier := &IDTokenHintVerifier{
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Issuer: issuer,
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KeySet: keySet,
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}
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for _, opt := range opts {
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opt(verifier)
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}
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return verifier
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}
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// VerifyIDTokenHint validates the id token according to
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// https://openid.net/specs/openid-connect-core-1_0.html#IDTokenValidation
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func VerifyIDTokenHint[C oidc.Claims](ctx context.Context, token string, v *IDTokenHintVerifier) (claims C, err error) {
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var nilClaims C
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decrypted, err := oidc.DecryptToken(token)
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if err != nil {
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return nilClaims, err
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}
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payload, err := oidc.ParseToken(decrypted, &claims)
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if err != nil {
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return nilClaims, err
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}
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if err := oidc.CheckIssuer(claims, v.Issuer); err != nil {
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return nilClaims, err
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}
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if err = oidc.CheckSignature(ctx, decrypted, payload, claims, v.SupportedSignAlgs, v.KeySet); err != nil {
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return nilClaims, err
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}
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if err = oidc.CheckExpiration(claims, v.Offset); err != nil {
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return nilClaims, err
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}
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if err = oidc.CheckIssuedAt(claims, v.MaxAgeIAT, v.Offset); err != nil {
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return nilClaims, err
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}
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if err = oidc.CheckAuthorizationContextClassReference(claims, v.ACR); err != nil {
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return nilClaims, err
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}
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if err = oidc.CheckAuthTime(claims, v.MaxAge); err != nil {
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return nilClaims, err
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}
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return claims, nil
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}
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