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// Copyright 2024 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 pktoken
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestBuildCompact(t *testing.T) {
testCases := []struct {
name string
tokens [][]byte
freshIDToken []byte
expError string
expPktCom []byte
}{
{name: "happy case one tokens",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`)},
expPktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln`),
},
{name: "happy case two tokens",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(fake payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZmFrZSBwYXlsb2Fk.dHdvIGZha2Ugc2ln`)},
expPktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln:dHdvIGZha2UgcHJvdGVjdGVk:dHdvIGZha2Ugc2ln`),
},
{name: "happy case two tokens and refreshed ID Token",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(fake payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZmFrZSBwYXlsb2Fk.dHdvIGZha2Ugc2ln`)},
// base64(refreshed protected).base64(refreshed payload).base64(refreshed sig)
freshIDToken: []byte(`cmVmcmVzaGVkIHByb3RlY3RlZA.cmVmcmVzaGVkIHBheWxvYWQ.cmVmcmVzaGVkIHNpZw`),
expPktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln:dHdvIGZha2UgcHJvdGVjdGVk:dHdvIGZha2Ugc2ln.cmVmcmVzaGVkIHByb3RlY3RlZA.cmVmcmVzaGVkIHBheWxvYWQ.cmVmcmVzaGVkIHNpZw`),
},
{name: "different payloads",
expError: "payloads in tokens are not the same",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(different payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZGlmZmVyZW50IHBheWxvYWQ.dHdvIGZha2Ugc2ln`)},
},
{name: "malformed Token",
expError: "invalid number of segments",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// malformed token
[]byte(`..ZmFrZSBwYXl.sb2Fk.dHdvIGZha2Ugc2ln`)},
},
{name: "malformed Refreshed ID Token",
expError: "invalid refreshed ID Token",
tokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(fake payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZmFrZSBwYXlsb2Fk.dHdvIGZha2Ugc2ln`)},
// base64(refreshed protected).base64(refreshed payload).base64(refreshed sig)
freshIDToken: []byte(`***=BAD!!!###`),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
pktCom, err := CompactPKToken(tc.tokens, tc.freshIDToken)
if tc.expError != "" {
require.ErrorContains(t, err, tc.expError)
} else {
require.NoError(t, err)
require.Equal(t, string(tc.expPktCom), string(pktCom))
}
})
}
}
func TestFromCompact(t *testing.T) {
testCases := []struct {
name string
expTokens [][]byte
expFreshIDToken []byte
expError string
pktCom []byte
}{
{name: "happy case one tokens",
expTokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`)},
pktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln`),
},
{name: "happy case two tokens",
// base64(one fake protected).base64(fake payload).base64(one fake sig)
expTokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(fake payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZmFrZSBwYXlsb2Fk.dHdvIGZha2Ugc2ln`)},
pktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln:dHdvIGZha2UgcHJvdGVjdGVk:dHdvIGZha2Ugc2ln`),
},
{name: "happy case two tokens and refreshed ID Token",
expTokens: [][]byte{
// base64(one fake protected).base64(fake payload).base64(one fake sig)
[]byte(`MWZha2Vwcm90ZWN0ZWQ.ZmFrZSBwYXlsb2Fk.b25lIGZha2Ugc2ln`),
// base64(two fake protected).base64(fake payload).base64(two fake sig)
[]byte(`dHdvIGZha2UgcHJvdGVjdGVk.ZmFrZSBwYXlsb2Fk.dHdvIGZha2Ugc2ln`)},
// base64(refreshed protected).base64(refreshed payload).base64(refreshed sig)
expFreshIDToken: []byte(`cmVmcmVzaGVkIHByb3RlY3RlZA.cmVmcmVzaGVkIHBheWxvYWQ.cmVmcmVzaGVkIHNpZw`),
pktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln:dHdvIGZha2UgcHJvdGVjdGVk:dHdvIGZha2Ugc2ln.cmVmcmVzaGVkIHByb3RlY3RlZA.cmVmcmVzaGVkIHBheWxvYWQ.cmVmcmVzaGVkIHNpZw`),
},
{name: "malformed Compact PK Token (invalid number of segments)",
expError: "invalid number of segments",
pktCom: []byte(`dHdvIGZha2Ugc2ln:dHdvIGZha2Ugc2ln.cmVmcmVzaGVkIHByb3RlY3RlZA.cmVmcmVzaGVkIHBheWxvYWQ.cmVmcmVzaGVkIHNpZw`),
},
{name: "malformed Compact PK Token (invalid refreshed ID Token)",
expError: "invalid refreshed ID Token",
pktCom: []byte(`ZmFrZSBwYXlsb2Fk:MWZha2Vwcm90ZWN0ZWQ:b25lIGZha2Ugc2ln:dHdvIGZha2UgcHJvdGVjdGVk:dHdvIGZha2Ugc2ln.BAD.REFRESHED.ID.TOKEN`),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
tokens, freshIDToken, err := SplitCompactPKToken(tc.pktCom)
if tc.expError != "" {
require.ErrorContains(t, err, tc.expError)
} else {
require.NoError(t, err)
require.Equal(t, tc.expTokens, tokens)
require.Equal(t, tc.expFreshIDToken, freshIDToken)
}
})
}
}
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