/
mutator_id_token_test.go
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/
mutator_id_token_test.go
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/*
* Copyright © 2017-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2017-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package mutate_test
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"strings"
"testing"
"text/template"
"time"
"github.com/tidwall/sjson"
"github.com/ory/oathkeeper/rule"
"github.com/dgrijalva/jwt-go"
"github.com/ory/viper"
"github.com/ory/x/urlx"
"github.com/ory/oathkeeper/credentials"
"github.com/ory/oathkeeper/driver/configuration"
"github.com/ory/oathkeeper/internal"
"github.com/ory/oathkeeper/pipeline/authn"
. "github.com/ory/oathkeeper/pipeline/mutate"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type testCase struct {
Rule *rule.Rule
Session *authn.AuthenticationSession
Config json.RawMessage
Match jwt.MapClaims
K string
Ttl time.Duration
Err error
}
func TestMutatorIDToken(t *testing.T) {
conf := internal.NewConfigurationWithDefaults()
reg := internal.NewRegistry(conf)
a, err := reg.PipelineMutator("id_token")
require.NoError(t, err)
assert.Equal(t, "id_token", a.GetID())
viper.Set("mutators.id_token.config.issuer_url", "/foo/bar")
t.Run("method=mutate", func(t *testing.T) {
r := &http.Request{}
t.Run("caching=off", func(t *testing.T) {
var testCases = []testCase{
{
Rule: &rule.Rule{ID: "test-rule1"},
Session: &authn.AuthenticationSession{Subject: "foo"},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Subject }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": "foo"},
K: "file://../../test/stub/jwks-hs.json",
},
{
Rule: &rule.Rule{ID: "test-rule2"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"abc": "value1"}},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Extra.abc }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": "value1"},
K: "file://../../test/stub/jwks-rsa-multiple.json",
},
{
Rule: &rule.Rule{ID: "test-rule3"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"abc": "value1", "def": "value2"}},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Extra.abc }}/{{ print .Extra.def }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": "value1/value2"},
K: "file://../../test/stub/jwks-ecdsa.json",
},
{
Rule: &rule.Rule{ID: "test-rule4"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"abc": "value1", "def": "value2"}},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Extra.abc }}\", \"custom-claim2\": \"{{ print .Extra.def }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": "value1", "custom-claim2": "value2"},
K: "file://../../test/stub/jwks-ecdsa.json",
},
{
Rule: &rule.Rule{ID: "test-rule5"},
Session: &authn.AuthenticationSession{},
Config: json.RawMessage([]byte(`{"bad": "key"}`)),
Match: jwt.MapClaims{},
K: "file://../../test/stub/jwks-hs.json",
Err: errors.New(`mutator matching this route is misconfigured or disabled`),
},
{
Rule: &rule.Rule{ID: "test-rule6"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{}},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Extra.def }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": ""},
K: "file://../../test/stub/jwks-rsa-multiple.json",
},
{
Rule: &rule.Rule{ID: "test-rule7"},
Session: &authn.AuthenticationSession{
Subject: "foo",
Extra: map[string]interface{}{
"nested": map[string]interface{}{
"int": int(10),
"float64": float64(3.14159),
"bool": true,
},
},
},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": {{ print .Extra.nested.int }},\"custom-claim2\": {{ print .Extra.nested.float64 }},\"custom-claim3\": {{ print .Extra.nested.bool }},\"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{
"custom-claim": float64(10), // the json decoder always converts to float64
"custom-claim2": 3.14159,
"custom-claim3": true,
},
K: "file://../../test/stub/jwks-ecdsa.json",
},
{
Rule: &rule.Rule{ID: "test-rule8"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"example.com/some-claims": []string{"Foo", "Bar"}}},
Config: json.RawMessage([]byte(`{"claims":"{\"custom-claim\": \"{{- (index .Extra \"example.com/some-claims\") | join \",\" -}}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{"custom-claim": "Foo,Bar"},
K: "file://../../test/stub/jwks-hs.json",
},
{
Rule: &rule.Rule{ID: "test-rule9"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"malicious": "evil"}},
Config: json.RawMessage([]byte(`{"claims": "{\"iss\": \"{{ print .Extra.malicious }}\", \"aud\": [\"foo\", \"bar\"]}"}`)),
Match: jwt.MapClaims{},
K: "file://../../test/stub/jwks-ecdsa.json",
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("case=%d", i), func(t *testing.T) {
if tc.Ttl == 0 {
tc.Ttl = time.Second * 5
}
tc.Config, _ = sjson.SetBytes(tc.Config, "jwks_url", tc.K)
tc.Config, _ = sjson.SetBytes(tc.Config, "ttl", tc.Ttl.String())
err := a.Mutate(r, tc.Session, tc.Config, tc.Rule)
if tc.Err == nil {
require.NoError(t, err)
token := strings.Replace(tc.Session.Header.Get("Authorization"), "Bearer ", "", 1)
result, err := reg.CredentialsVerifier().Verify(context.Background(), token, &credentials.ValidationContext{
Algorithms: []string{"RS256", "HS256", "ES256"},
Audiences: []string{"foo", "bar"},
KeyURLs: []url.URL{*urlx.ParseOrPanic(tc.K)},
})
require.NoError(t, err, "token: %s", token)
ttl := time.Minute // default from config is time.Minute
if tc.Ttl > 0 {
ttl = tc.Ttl
}
assert.Equal(t, "foo", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["sub"]))
assert.Equal(t, "/foo/bar", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["iss"]))
assert.True(t, time.Now().Add(ttl).Unix() >= int64(result.Claims.(jwt.MapClaims)["exp"].(float64)))
for key, val := range tc.Match {
assert.Equal(t, val, result.Claims.(jwt.MapClaims)[key])
}
} else {
assert.EqualError(t, err, tc.Err.Error())
}
})
}
})
t.Run("caching=on", func(t *testing.T) {
tc := testCase{
Rule: &rule.Rule{ID: "test-rule"},
Session: &authn.AuthenticationSession{Subject: "foo", Extra: map[string]interface{}{"abc": "value1", "def": "value2"}},
Config: json.RawMessage([]byte(`{"claims": "{\"custom-claim\": \"{{ print .Extra.abc }}/{{ print .Extra.def }}\", \"aud\": [\"foo\", \"bar\"]}", "jwks_url": "file://../../test/stub/jwks-ecdsa.json"}`)),
K: "file://../../test/stub/jwks-ecdsa.json",
}
// viper.Set(configuration.ViperKeyMutatorIDTokenJWKSURL, tc.K)
// viper.Set(configuration.ViperKeyMutatorIDTokenTTL, tc.Ttl)
cache := template.New("rules")
var cfg CredentialsIDTokenConfig
require.NoError(t, json.NewDecoder(bytes.NewBuffer(tc.Config)).Decode(&cfg))
_, err := cache.New(cfg.ClaimsTemplateID()).Parse(`{"custom-claim": "override", "aud": ["override"]}`)
require.NoError(t, err)
a.(*MutatorIDToken).WithCache(cache)
err = a.Mutate(r, tc.Session, tc.Config, tc.Rule)
require.NoError(t, err)
token := strings.Replace(tc.Session.Header.Get("Authorization"), "Bearer ", "", 1)
result, err := reg.CredentialsVerifier().Verify(context.Background(), token, &credentials.ValidationContext{
Algorithms: []string{"RS256", "HS256", "ES256"},
Audiences: []string{"override"},
KeyURLs: []url.URL{*urlx.ParseOrPanic(tc.K)},
})
require.NoError(t, err, "token: %s (%s) %v", token, cfg.ClaimsTemplateID(), cache.Lookup(cfg.ClaimsTemplateID()))
ttl := time.Minute // default from config is time.Minute
if tc.Ttl > 0 {
ttl = tc.Ttl
}
assert.Equal(t, "foo", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["sub"]))
assert.Equal(t, "/foo/bar", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["iss"]))
assert.Equal(t, "override", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["custom-claim"]))
assert.Equal(t, "override", fmt.Sprintf("%s", result.Claims.(jwt.MapClaims)["aud"].([]interface{})[0]))
assert.True(t, time.Now().Add(ttl).Unix() >= int64(result.Claims.(jwt.MapClaims)["exp"].(float64)))
})
})
t.Run("method=validate", func(t *testing.T) {
for k, tc := range []struct {
e bool
i string
j string
pass bool
}{
{e: false, pass: false},
{e: true, pass: false},
{e: true, i: "http://baz/foo", pass: false},
{e: true, j: "", pass: false},
{e: true, i: "http://baz/foo", j: "http://baz/foo", pass: true},
} {
t.Run(fmt.Sprintf("case=%d", k), func(t *testing.T) {
viper.Reset()
viper.Set(configuration.ViperKeyMutatorIDTokenIsEnabled, tc.e)
// viper.Set(configuration.ViperKeyMutatorIDTokenIssuerURL, tc.i)
// viper.Set(configuration.ViperKeyMutatorIDTokenJWKSURL, tc.j)
err := a.Validate(json.RawMessage(`{"issuer_url":"` + tc.i + `", "jwks_url": "` + tc.j + `"}`))
if tc.pass {
require.NoError(t, err)
} else {
require.Error(t, err)
}
})
}
})
}