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// Copyright 2021 Northern.tech AS
//
// 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 identity
import (
"encoding/base64"
"encoding/json"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
)
func boolPtr(val bool) *bool {
return &val
}
func makeClaimsFull(sub, tenant, plan string, device, user, trial bool) string {
claim := struct {
Subject string `json:"sub,omitempty"`
Tenant string `json:"mender.tenant,omitempty"`
Device *bool `json:"mender.device,omitempty"`
User *bool `json:"mender.user,omitempty"`
Plan string `json:"mender.plan,omitempty"`
Trial bool `json:"mender.trial"`
}{
Subject: sub,
Tenant: tenant,
Plan: plan,
Trial: trial,
}
if device {
claim.Device = boolPtr(true)
}
if user {
claim.User = boolPtr(true)
}
data, _ := json.Marshal(&claim)
rawclaim := base64.RawURLEncoding.EncodeToString(data)
return rawclaim
}
func makeClaimsPart(sub, tenant, plan string) string {
return makeClaimsFull(sub, tenant, plan, false, false, false)
}
func TestExtractIdentity(t *testing.T) {
_, err := ExtractIdentity("foo")
assert.Error(t, err)
_, err = ExtractIdentity("foo.bar")
assert.Error(t, err)
_, err = ExtractIdentity("foo.bar.baz")
assert.Error(t, err)
// should fail, token is malformed, missing header & signature
rawclaims := makeClaimsPart("foobar", "", "")
_, err = ExtractIdentity(rawclaims)
assert.Error(t, err)
// correct case
idata, err := ExtractIdentity("foo." + rawclaims + ".bar")
assert.NoError(t, err)
assert.Equal(t, Identity{Subject: "foobar"}, idata)
// missing subject
enc := base64.RawURLEncoding.EncodeToString([]byte(`{"iss": "Mender"}`))
_, err = ExtractIdentity("foo." + enc + ".bar")
assert.Error(t, err)
// bad subject
enc = base64.RawURLEncoding.EncodeToString([]byte(`{"sub": 1}`))
_, err = ExtractIdentity("foo." + enc + ".bar")
assert.Error(t, err)
enc = base64.RawURLEncoding.EncodeToString([]byte(`{"sub": "123", "mender.device": true}`))
idata, err = ExtractIdentity("foo." + enc + ".bar")
assert.NoError(t, err)
assert.Equal(t, Identity{Subject: "123", IsDevice: true}, idata)
enc = base64.RawURLEncoding.EncodeToString([]byte(`{"sub": "123", "mender.user": true}`))
idata, err = ExtractIdentity("foo." + enc + ".bar")
assert.NoError(t, err)
assert.Equal(t, Identity{Subject: "123", IsUser: true}, idata)
enc = base64.RawURLEncoding.EncodeToString([]byte(`{"sub": "123", "mender.user": {"garbage": 2}}`))
_, err = ExtractIdentity("foo." + enc + ".bar")
assert.Error(t, err)
assert.Contains(t, err.Error(), "failed to decode JSON JWT claims")
_, err = ExtractIdentity("foo.barrr.baz")
assert.Error(t, err)
assert.Contains(t, err.Error(), "failed to decode base64 JWT claims")
rawclaims = makeClaimsFull("foobar", "", "", false, true, true)
idata, err = ExtractIdentity("foo." + rawclaims + ".bar")
assert.NoError(t, err)
assert.Equal(t, Identity{Subject: "foobar", IsUser: true, Trial: true}, idata)
}
func TestExtractIdentityFromHeaders(t *testing.T) {
r := &http.Request{
Header: http.Header{},
}
_, err := ExtractJWTFromHeader(r)
assert.Error(t, err)
r.Header.Set("Authorization", "Basic foobar")
_, err = ExtractJWTFromHeader(r)
assert.Error(t, err)
r.Header.Set("Authorization", "Bearer")
_, err = ExtractJWTFromHeader(r)
assert.Error(t, err)
// correct cate
rawclaims := makeClaimsPart("foobar", "", "")
actualJWT := "foo." + rawclaims + ".bar"
r.Header.Set("Authorization", "Bearer "+actualJWT)
jwt, err := ExtractJWTFromHeader(r)
assert.NoError(t, err)
assert.Equal(t, actualJWT, jwt)
r.Header.Del("Authorization")
r.AddCookie(&http.Cookie{
Name: "JWT",
Value: "foo." + rawclaims + ".bar",
})
jwt, err = ExtractJWTFromHeader(r)
assert.NoError(t, err)
assert.Equal(t, actualJWT, jwt)
}
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