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package oidc
import (
"fmt"
"testing"
)
const (
// at_hash value and access_token returned by Google.
googleAccessTokenHash = "piwt8oCH-K2D9pXlaS1Y-w"
googleAccessToken = "ya29.CjHSA1l5WUn8xZ6HanHFzzdHdbXm-14rxnC7JHch9eFIsZkQEGoWzaYG4o7k5f6BnPLj"
googleSigningAlg = RS256
// following values computed by own algo for regression testing
computed384TokenHash = "_ILKVQjbEzFKNJjUKC2kz9eReYi0A9Of"
computed512TokenHash = "Spa_APgwBrarSeQbxI-rbragXho6dqFpH5x9PqaPfUI"
)
type accessTokenTest struct {
name string
tok *IDToken
accessToken string
verifier func(err error) error
}
func (a accessTokenTest) run(t *testing.T) {
err := a.tok.VerifyAccessToken(a.accessToken)
result := a.verifier(err)
if result != nil {
t.Error(result)
}
}
func TestAccessTokenVerification(t *testing.T) {
newToken := func(alg, atHash string) *IDToken {
return &IDToken{sigAlgorithm: alg, AccessTokenHash: atHash}
}
assertNil := func(err error) error {
if err != nil {
return fmt.Errorf("want nil error, got %v", err)
}
return nil
}
assertMsg := func(msg string) func(err error) error {
return func(err error) error {
if err == nil {
return fmt.Errorf("expected error, got success")
}
if err.Error() != msg {
return fmt.Errorf("bad error message, %q, (want %q)", err.Error(), msg)
}
return nil
}
}
tests := []accessTokenTest{
{
"goodRS256",
newToken(googleSigningAlg, googleAccessTokenHash),
googleAccessToken,
assertNil,
},
{
"goodES384",
newToken("ES384", computed384TokenHash),
googleAccessToken,
assertNil,
},
{
"goodPS512",
newToken("PS512", computed512TokenHash),
googleAccessToken,
assertNil,
},
{
"badRS256",
newToken("RS256", computed512TokenHash),
googleAccessToken,
assertMsg("access token hash does not match value in ID token"),
},
{
"nohash",
newToken("RS256", ""),
googleAccessToken,
assertMsg("id token did not have an access token hash"),
},
{
"badSignAlgo",
newToken("none", "xxx"),
googleAccessToken,
assertMsg(`oidc: unsupported signing algorithm "none"`),
},
}
for _, test := range tests {
t.Run(test.name, test.run)
}
}
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