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// Copyright 2025 OpenPubkey
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package verifier_test
import (
"context"
"errors"
"testing"
"github.com/openpubkey/openpubkey/client"
"github.com/openpubkey/openpubkey/providers/mocks"
"github.com/openpubkey/openpubkey/verifier"
"github.com/stretchr/testify/require"
)
const userInfoResponse = `{
"sub": "me",
"email": "alice@example.com",
"name": "Alice Example",
"groups": ["group1", "group2"]
}`
func TestGoogleSimpleRequest(t *testing.T) {
issuer := "https://accounts.google.com"
clientID := "verifier"
expectedAccessToken := "mock-access-token"
noGQSign := false
provider, _, err := NewMockOpenIdProvider(noGQSign, issuer, "RS256", clientID, map[string]any{
"aud": clientID,
})
require.NoError(t, err)
opkClient, err := client.New(provider)
require.NoError(t, err)
pkt, err := opkClient.Auth(context.Background())
require.NoError(t, err)
accessToken := opkClient.GetAccessToken()
require.NotEmpty(t, accessToken)
require.Equal(t, expectedAccessToken, string(accessToken))
uiRequester, err := verifier.NewUserInfoRequester(pkt, string(accessToken))
require.NoError(t, err)
uiRequester.HttpClient = mocks.NewMockGoogleUserInfoHTTPClient(userInfoResponse, expectedAccessToken)
userInfoJson, err := uiRequester.Request(context.Background())
require.NoError(t, err)
require.Contains(t, userInfoJson, `"email":"alice@example.com"`)
require.Contains(t, userInfoJson, `"sub":"me"`)
uiRequester.HttpClient = mocks.NewMockGoogleUserInfoHTTPClient(userInfoResponse, "Invalid-Access-Token")
userInfoJson, err = uiRequester.Request(context.Background())
require.Error(t, err)
require.Empty(t, userInfoJson)
uiRequester.HttpClient = mocks.NewMockBrokenHTTPClient(userInfoResponse, expectedAccessToken, errors.New("failed to connect"))
userInfoJson, err = uiRequester.Request(context.Background())
require.Error(t, err)
require.Empty(t, userInfoJson)
require.Contains(t, err.Error(), "failed to connect")
uiRequester.HttpClient = mocks.NewMockGoogleUserInfoHTTPClientCorruptedJson(userInfoResponse, expectedAccessToken)
userInfoJson, err = uiRequester.Request(context.Background())
require.Error(t, err)
require.Empty(t, userInfoJson)
require.Contains(t, err.Error(), "failed to unmarshal response: invalid character")
}
func TestGCorruptedPKTokenUserinfoRequest(t *testing.T) {
issuer := "https://accounts.google.com"
clientID := "verifier"
expectedAccessToken := "mock-access-token"
noGQSign := false
provider, _, err := NewMockOpenIdProvider(noGQSign, issuer, "RS256", clientID, map[string]any{
"aud": clientID,
})
require.NoError(t, err)
opkClient, err := client.New(provider)
require.NoError(t, err)
pkt, err := opkClient.Auth(context.Background())
require.NoError(t, err)
accessToken := opkClient.GetAccessToken()
require.NotEmpty(t, accessToken)
require.Equal(t, expectedAccessToken, string(accessToken))
// Corrupt pk token payload
pkt.Payload = []byte(`{"`)
uiRequester, err := verifier.NewUserInfoRequester(pkt, string(accessToken))
require.ErrorContains(t, err, "malformatted PK token claims")
require.Nil(t, uiRequester)
// Use incorrect type for pk token sub claim
pkt.Payload = []byte(`{"issuer": "https://accounts.example.com", "sub": {}}`)
uiRequester, err = verifier.NewUserInfoRequester(pkt, string(accessToken))
require.ErrorContains(t, err, "malformatted PK token claims")
require.Nil(t, uiRequester)
}
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