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[Feature] [Gateway] ArangoDB AuthIntegration (#1715)
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+792
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‎CHANGELOG.md‎

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- (Feature) Integration Service TLS
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- (Feature) (Gateway) SNI and Authz support
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- (Maintenance) Bump Examples to ArangoDB 3.12
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- (Feature) (Gateway) ArangoDB JWT Auth Integration
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## [1.2.42](https://github.com/arangodb/kube-arangodb/tree/1.2.42) (2024-07-23)
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- (Maintenance) Go 1.22.4 & Kubernetes 1.29.6 libraries

‎cmd/version.go‎

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//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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// Copyright 2016-2024 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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"github.com/arangodb/kube-arangodb/pkg/version"
@@ -38,6 +36,5 @@ var cmdVersion = &cobra.Command{
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}
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func versionRun(cmd *cobra.Command, args []string) {
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v := version.GetVersionV1()
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println(fmt.Sprintf("Version: %s %s, Build: %s, Go: %s, Build Date: %s", v.Edition.Title(), v.Version, v.Build, v.GoVersion, v.BuildDate))
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println(version.GetVersionV1().String())
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}

‎docs/api/ArangoRoute.V1Alpha1.md‎

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@@ -16,6 +16,12 @@ Deployment specifies the ArangoDeployment object name
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***
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### .spec.destination.authentication.type
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Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_spec_destination_authentication.go#L28)</sup>
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***
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### .spec.destination.path
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Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_spec_destination.go#L36)</sup>
@@ -131,6 +137,12 @@ UID keeps the information about object UID
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***
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### .status.target.authentication.type
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Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_status_target_authentication.go#L26)</sup>
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***
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### .status.target.destinations\[int\].host
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Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_status_target_destination.go#L38)</sup>
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### .status.target.path
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Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_status_target.go#L37)</sup>
160+
Type: `string` <sup>[\[ref\]](https://github.com/arangodb/kube-arangodb/blob/1.2.42/pkg/apis/networking/v1alpha1/route_status_target.go#L40)</sup>
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Path specifies request path override
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‎integrations/envoy/auth/v3/check.go‎

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//
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// DISCLAIMER
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//
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// Copyright 2024 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package v3
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import (
24+
"context"
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pbEnvoyAuthV3 "github.com/envoyproxy/go-control-plane/envoy/service/auth/v3"
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)
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type AuthResponse struct {
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Username string
31+
}
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33+
type AuthRequestFunc func(ctx context.Context, request *pbEnvoyAuthV3.CheckRequest, current *AuthResponse) (*AuthResponse, error)
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func MergeAuthRequest(ctx context.Context, request *pbEnvoyAuthV3.CheckRequest, requests ...AuthRequestFunc) (*AuthResponse, error) {
36+
var resp *AuthResponse
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for _, r := range requests {
38+
if v, err := r(ctx, request, resp); err != nil {
39+
return nil, err
40+
} else {
41+
resp = v
42+
}
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}
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return resp, nil
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}

‎integrations/envoy/auth/v3/check_adb_jwt.go‎

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//
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// DISCLAIMER
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//
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// Copyright 2024 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
8+
// You may obtain a copy of the License at
9+
//
10+
// http://www.apache.org/licenses/LICENSE-2.0
11+
//
12+
// Unless required by applicable law or agreed to in writing, software
13+
// distributed under the License is distributed on an "AS IS" BASIS,
14+
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
16+
// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package v3
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import (
24+
"context"
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pbEnvoyAuthV3 "github.com/envoyproxy/go-control-plane/envoy/service/auth/v3"
27+
28+
pbAuthenticationV1 "github.com/arangodb/kube-arangodb/integrations/authentication/v1/definition"
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"github.com/arangodb/kube-arangodb/pkg/util/strings"
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)
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func (i *impl) checkADBJWT(ctx context.Context, request *pbEnvoyAuthV3.CheckRequest, current *AuthResponse) (*AuthResponse, error) {
33+
if current != nil {
34+
// Already authenticated
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return current, nil
36+
}
37+
if auth, ok := request.GetAttributes().GetRequest().GetHttp().GetHeaders()["authorization"]; ok {
38+
parts := strings.SplitN(auth, " ", 2)
39+
if len(parts) == 2 {
40+
if strings.ToLower(parts[0]) == "bearer" {
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resp, err := i.authClient.Validate(ctx, &pbAuthenticationV1.ValidateRequest{
42+
Token: parts[1],
43+
})
44+
if err != nil {
45+
logger.Err(err).Warn("Auth failure")
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return nil, nil
47+
}
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if err == nil && resp.GetIsValid() {
50+
// All went fine!
51+
return &AuthResponse{
52+
Username: resp.GetDetails().GetUser(),
53+
}, nil
54+
}
55+
}
56+
}
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}
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return nil, nil
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}

‎integrations/envoy/auth/v3/consts.go‎

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const (
2424
Name = "envoy.auth.v3"
25+
26+
AuthConfigKeywordTrue = "true"
27+
AuthConfigKeywordFalse = "false"
28+
29+
AuthConfigNamespace = "platform.arangodb.com"
30+
AuthConfigAuthNamespace = "auth." + AuthConfigNamespace
31+
32+
AuthConfigTypeKey = AuthConfigNamespace + "/type"
33+
AuthConfigTypeValue = "ArangoDBPlatform"
34+
35+
AuthConfigAuthRequiredKey = AuthConfigAuthNamespace + "/required"
36+
37+
AuthUsernameHeader = "arangodb-platform-user"
38+
AuthAuthenticatedHeader = "arangodb-platform-authenticated"
2539
)

‎integrations/envoy/auth/v3/impl.go‎

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import (
2424
"context"
25+
"net/http"
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27+
corev3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
2628
pbEnvoyAuthV3 "github.com/envoyproxy/go-control-plane/envoy/service/auth/v3"
2729
"google.golang.org/grpc"
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31+
pbAuthenticationV1 "github.com/arangodb/kube-arangodb/integrations/authentication/v1/definition"
32+
"github.com/arangodb/kube-arangodb/pkg/util"
33+
"github.com/arangodb/kube-arangodb/pkg/util/errors"
34+
"github.com/arangodb/kube-arangodb/pkg/util/errors/panics"
2935
"github.com/arangodb/kube-arangodb/pkg/util/svc"
3036
)
3137

32-
func New() svc.Handler {
33-
return &impl{}
38+
func New(authClient pbAuthenticationV1.AuthenticationV1Client) svc.Handler {
39+
return &impl{
40+
authClient: authClient,
41+
}
3442
}
3543

3644
var _ pbEnvoyAuthV3.AuthorizationServer = &impl{}
3745
var _ svc.Handler = &impl{}
3846

3947
type impl struct {
4048
pbEnvoyAuthV3.UnimplementedAuthorizationServer
49+
50+
authClient pbAuthenticationV1.AuthenticationV1Client
4151
}
4252

4353
func (i *impl) Name() string {
@@ -53,10 +63,84 @@ func (i *impl) Register(registrar *grpc.Server) {
5363
}
5464

5565
func (i *impl) Check(ctx context.Context, request *pbEnvoyAuthV3.CheckRequest) (*pbEnvoyAuthV3.CheckResponse, error) {
56-
logger.Info("Request Received")
66+
resp, err := panics.RecoverO1(func() (*pbEnvoyAuthV3.CheckResponse, error) {
67+
return i.check(ctx, request)
68+
})
69+
70+
if err != nil {
71+
var v DeniedResponse
72+
if errors.As(err, &v) {
73+
return v.GetCheckResponse()
74+
}
75+
return nil, err
76+
}
77+
return resp, nil
78+
}
79+
80+
func (i *impl) check(ctx context.Context, request *pbEnvoyAuthV3.CheckRequest) (*pbEnvoyAuthV3.CheckResponse, error) {
81+
ext := request.GetAttributes().GetContextExtensions()
82+
83+
if v, ok := ext[AuthConfigTypeKey]; !ok || v != AuthConfigTypeValue {
84+
return nil, DeniedResponse{
85+
Code: http.StatusBadRequest,
86+
Message: &DeniedMessage{
87+
Message: "Auth plugin is not enabled for this request",
88+
},
89+
}
90+
}
91+
92+
authenticated, err := MergeAuthRequest(ctx, request, i.checkADBJWT)
93+
if err != nil {
94+
return nil, err
95+
}
96+
97+
if util.Optional(ext, AuthConfigAuthRequiredKey, AuthConfigKeywordFalse) == AuthConfigKeywordTrue && authenticated == nil {
98+
return nil, DeniedResponse{
99+
Code: http.StatusUnauthorized,
100+
Message: &DeniedMessage{
101+
Message: "Unauthorized",
102+
},
103+
}
104+
}
105+
106+
if authenticated != nil {
107+
return &pbEnvoyAuthV3.CheckResponse{
108+
HttpResponse: &pbEnvoyAuthV3.CheckResponse_OkResponse{
109+
OkResponse: &pbEnvoyAuthV3.OkHttpResponse{
110+
Headers: []*corev3.HeaderValueOption{
111+
{
112+
Header: &corev3.HeaderValue{
113+
Key: AuthUsernameHeader,
114+
Value: authenticated.Username,
115+
},
116+
AppendAction: corev3.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD,
117+
},
118+
{
119+
Header: &corev3.HeaderValue{
120+
Key: AuthAuthenticatedHeader,
121+
Value: "true",
122+
},
123+
AppendAction: corev3.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD,
124+
},
125+
},
126+
},
127+
},
128+
}, nil
129+
}
130+
57131
return &pbEnvoyAuthV3.CheckResponse{
58132
HttpResponse: &pbEnvoyAuthV3.CheckResponse_OkResponse{
59-
OkResponse: &pbEnvoyAuthV3.OkHttpResponse{},
133+
OkResponse: &pbEnvoyAuthV3.OkHttpResponse{
134+
Headers: []*corev3.HeaderValueOption{
135+
{
136+
Header: &corev3.HeaderValue{
137+
Key: AuthAuthenticatedHeader,
138+
Value: "false",
139+
},
140+
AppendAction: corev3.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD,
141+
},
142+
},
143+
},
60144
},
61145
}, nil
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}

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