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token_test.go
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token_test.go
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// Copyright 2022 The Sigstore Authors.
//
// 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.
package internal
import (
"bytes"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"reflect"
"testing"
"time"
)
func TestParseAccessTokenSuccessResponse(t *testing.T) {
now := currentTime()
realCurrentTime := currentTime
currentTime = func() time.Time { return now }
defer func() { currentTime = realCurrentTime }()
testCases := []struct {
desc string
respContentType string
respBody []byte
wantAccessToken string
wantRefreshToken string
wantTokenType string
wantExpiry time.Time
mustHaveExtras map[string]interface{}
wantError error
}{
{
desc: "json",
respContentType: "application/json",
respBody: []byte(`{
"access_token": "json access_token",
"token_type": "Bearer",
"refresh_token": "json refresh_token",
"expires_in": 3600,
"scope": "foo bar"
}`),
wantAccessToken: "json access_token",
wantRefreshToken: "json refresh_token",
wantTokenType: "Bearer",
wantExpiry: now.Add(3600 * time.Second),
mustHaveExtras: map[string]interface{}{
"scope": "foo bar",
},
},
{
desc: "json no access_token",
respContentType: "application/json",
respBody: []byte(`{"token_type":"Bearer","expires_in":3600,"scope":"foo bar"}`),
wantError: fmt.Errorf(`response did not contain "access_token". Content-Type: %q, Body: %s`, "application/json", `{"token_type":"Bearer","expires_in":3600,"scope":"foo bar"}`),
},
{
desc: "bad json",
respContentType: "application/json",
respBody: []byte(`"token_type":"Bearer","expires_in":3600,"scope":"foo bar"`),
wantError: errors.New("invalid character ':' after top-level value"),
},
{
desc: "x-www-form-urlencoded",
respContentType: "application/x-www-form-urlencoded",
respBody: []byte(url.Values{
"access_token": []string{"urlencoded access_token"},
"token_type": []string{"MAC"},
"refresh_token": []string{"urlencoded refresh_token"},
"expires_in": []string{"420"},
"scope": []string{"bar baz"},
}.Encode()),
wantAccessToken: "urlencoded access_token",
wantRefreshToken: "urlencoded refresh_token",
wantTokenType: "MAC",
wantExpiry: now.Add(420 * time.Second),
mustHaveExtras: map[string]interface{}{
"scope": "bar baz",
},
},
{
desc: "expires_in unparsable",
respContentType: "application/x-www-form-urlencoded",
respBody: []byte(url.Values{
"access_token": []string{"urlencoded access_token"},
"token_type": []string{"Bearer"},
"expires_in": []string{"unparsable"},
}.Encode()),
wantError: errors.New("failed to parse \"expires_in\": strconv.Atoi: parsing \"unparsable\": invalid syntax"),
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
testResp := &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(tc.respBody)),
}
if tc.respContentType != "" {
testResp.Header = make(http.Header, 1)
testResp.Header.Set("Content-Type", tc.respContentType)
}
token, err := ParseAccessTokenResponse(testResp)
if err == nil && tc.wantError != nil {
t.Fatalf("ParseAccessTokenResponse should have returned an error, got %v", token)
}
if err != nil {
if tc.wantError != nil {
gotErr := err.Error()
wantErr := tc.wantError.Error()
if gotErr != wantErr {
t.Fatalf("ParseAccessTokenResponse should have returned error %q, got %q", wantErr, gotErr)
}
return
}
t.Fatalf("ParseAccessTokenResponse returned error: %v", err)
}
if token.AccessToken != tc.wantAccessToken {
t.Errorf("Wanted AccessToken %q, got %q", tc.wantAccessToken, token.AccessToken)
}
if token.RefreshToken != tc.wantRefreshToken {
t.Errorf("Wanted RefreshToken %q, got %q", tc.wantRefreshToken, token.RefreshToken)
}
if token.TokenType != tc.wantTokenType {
t.Errorf("Wanted TokenType %q, got %q", tc.wantTokenType, token.TokenType)
}
if token.Expiry != tc.wantExpiry {
t.Errorf("Wanted Expiry %v, got %v", tc.wantExpiry, token.Expiry)
}
for k, v := range tc.mustHaveExtras {
gotVal := token.Extra(k)
if !reflect.DeepEqual(v, gotVal) {
t.Errorf("Wanted Extra(%q)=%v, got %v", k, v, gotVal)
}
}
})
}
}
func TestParseAccessTokenFailResponse(t *testing.T) {
testCases := []struct {
desc string
respStatusCode int
respContentType string
respBody []byte
wantError error
}{
{
desc: "json",
respStatusCode: http.StatusBadRequest,
respContentType: "application/json",
respBody: []byte(`{"error":"invalid_request","error_description":"description of error","error_uri":"https://test.example.com/json"}`),
wantError: &ErrorTokenResponse{
Code: "invalid_request",
Description: "description of error",
URI: "https://test.example.com/json",
},
},
{
desc: "x-www-form-urlencoded",
respStatusCode: http.StatusBadRequest,
respContentType: "application/x-www-form-urlencoded",
respBody: []byte(url.Values{
"error": []string{"invalid_request"},
"error_description": []string{"description of error"},
"error_uri": []string{"https://test.example.com/form-urlencoded"},
}.Encode()),
wantError: &ErrorTokenResponse{
Code: "invalid_request",
Description: "description of error",
URI: "https://test.example.com/form-urlencoded",
},
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
testResp := &http.Response{
StatusCode: tc.respStatusCode,
Body: io.NopCloser(bytes.NewReader(tc.respBody)),
}
if tc.respContentType != "" {
testResp.Header = make(http.Header, 1)
testResp.Header.Set("Content-Type", tc.respContentType)
}
token, err := ParseAccessTokenResponse(testResp)
if err == nil {
t.Fatalf("ParseAccessTokenResponse should have failed, got: %v", token)
}
gotErr := err.Error()
wantErr := tc.wantError.Error()
if gotErr != wantErr {
t.Errorf("ParseAccessTokenResponse should have returned error %q, got %q", wantErr, gotErr)
}
})
}
}