Support APIKey authentication

build/Dockerfile

@@ -380,6 +380,7 @@ RUN --mount=type=bind,target=/tmp mkdir -p /var/lib/nginx /etc/nginx/secrets /et
 	&& [ -z "${BUILD_OS##*plus*}" ] && PLUS=-plus; cp -a /tmp/internal/configs/version1/nginx$PLUS.ingress.tmpl /tmp/internal/configs/version1/nginx$PLUS.tmpl \
 	/tmp/internal/configs/version2/nginx$PLUS.virtualserver.tmpl /tmp/internal/configs/version2/nginx$PLUS.transportserver.tmpl / \
 	&& if [ -z "${BUILD_OS##*plus*}" ]; then mkdir -p /etc/nginx/state_files/; fi \
+	&& mkdir -p /etc/nginx/njs/ && cp -a /tmp/internal/configs/njs/* /etc/nginx/njs/ \
 	&& chown -R 101:0 /etc/nginx /var/cache/nginx /var/lib/nginx /var/log/nginx /*.tmpl \
 	&& chmod -R g=u /etc/nginx /var/cache/nginx /var/lib/nginx /var/log/nginx /*.tmpl \
 	&& rm -f /etc/nginx/conf.d/*

config/crd/bases/k8s.nginx.org_policies.yaml

@@ -67,6 +67,29 @@ spec:
                       type: string
                     type: array
                 type: object
+              apiKey:
+                properties:
+                  clientSecret:
+                    type: string
+                  rejectCodes:
+                    properties:
+                      noMatch:
+                        type: integer
+                      notSupplied:
+                        type: integer
+                    type: object
+                  suppliedIn:
+                    properties:
+                      header:
+                        items:
+                          type: string
+                        type: array
+                      query:
+                        items:
+                          type: string
+                        type: array
+                    type: object
+                type: object
               basicAuth:
                 description: |-
                   BasicAuth holds HTTP Basic authentication configuration

deploy/crds.yaml

@@ -269,6 +269,29 @@ spec:
                       type: string
                     type: array
                 type: object
+              apiKey:
+                properties:
+                  clientSecret:
+                    type: string
+                  rejectCodes:
+                    properties:
+                      noMatch:
+                        type: integer
+                      notSupplied:
+                        type: integer
+                    type: object
+                  suppliedIn:
+                    properties:
+                      header:
+                        items:
+                          type: string
+                        type: array
+                      query:
+                        items:
+                          type: string
+                        type: array
+                    type: object
+                type: object
               basicAuth:
                 description: |-
                   BasicAuth holds HTTP Basic authentication configuration

examples/custom-resources/api-key/api-key-policy-2.yaml

@@ -0,0 +1,15 @@
+apiVersion: k8s.nginx.org/v1
+kind: Policy
+metadata:
+  name: api-key-policy-2
+spec:
+  apiKey:
+    suppliedIn:
+      header:
+      - "X-header-name"
+      query:
+      - "queryName"
+    rejectCodes: # optional
+      notSupplied: 408
+      noMatch: 410
+    clientSecret: api-key-client-secret-2

examples/custom-resources/api-key/api-key-policy.yaml

@@ -0,0 +1,17 @@
+apiVersion: k8s.nginx.org/v1
+kind: Policy
+metadata:
+  name: api-key-policy
+spec:
+  apiKey:
+    suppliedIn:
+      header:
+      - "X-header-name"
+      - "apikey"
+      - "some-other-header"
+      query:
+      - "queryName"
+    rejectCodes: # optional
+      notSupplied: 401
+      noMatch: 403
+    clientSecret: api-key-client-secret-1

examples/custom-resources/api-key/api-key-secret-1.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: api-key-client-secret-1
+type: Opaque
+data:
+    client1: cGFzc3dvcmQ=
+    client2: N2ViNDMwOGItY2Q1Yi00NDEzLWI0NTUtYjMyZmQ4OTg2MmZk

examples/custom-resources/api-key/api-key-secret-2.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: api-key-client-secret-2
+type: Opaque
+data:
+  client1: cGFzc3dvcmQ=

examples/custom-resources/api-key/cafe-secret.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: cafe-secret
+type: kubernetes.io/tls
+data:
+  tls.crt: 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
+  tls.key: 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

examples/custom-resources/api-key/cafe-virtual-server.yaml

@@ -0,0 +1,26 @@
+apiVersion: k8s.nginx.org/v1
+kind: VirtualServer
+metadata:
+  name: cafe
+spec:
+  host: cafe.example.com
+  tls:
+    secret: cafe-secret
+  policies:
+  - name: api-key-policy
+  upstreams:
+  - name: tea
+    service: tea-svc
+    port: 80
+  - name: coffee
+    service: coffee-svc
+    port: 80
+  routes:
+  - path: /tea
+    action:
+      pass: tea
+  - path: /coffee
+    action:
+      pass: coffee
+    policies:
+      - name: api-key-policy-2

examples/custom-resources/api-key/cafe.yaml

@@ -0,0 +1,65 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: coffee
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: coffee
+  template:
+    metadata:
+      labels:
+        app: coffee
+    spec:
+      containers:
+      - name: coffee
+        image: nginxdemos/nginx-hello:plain-text
+        ports:
+        - containerPort: 8080
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: coffee-svc
+spec:
+  ports:
+  - port: 80
+    targetPort: 8080
+    protocol: TCP
+    name: http
+  selector:
+    app: coffee
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: tea
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: tea
+  template:
+    metadata:
+      labels:
+        app: tea
+    spec:
+      containers:
+      - name: tea
+        image: nginxdemos/nginx-hello:plain-text
+        ports:
+        - containerPort: 8080
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: tea-svc
+spec:
+  ports:
+  - port: 80
+    targetPort: 8080
+    protocol: TCP
+    name: http
+  selector:
+    app: tea

internal/configs/configurator.go

@@ -1990,6 +1990,9 @@ func (cnf *Configurator) AddOrUpdateSecret(secret *api_v1.Secret) string {
 	case secrets.SecretTypeOIDC:
 		// OIDC ClientSecret is not required on the filesystem, it is written directly to the config file.
 		return ""
+	case api_v1.SecretTypeOpaque:
+		glog.Infof(secret.Name)
+		return ""
 	default:
 		return cnf.addOrUpdateTLSSecret(secret)
 	}

internal/configs/njs/apikey_auth.js

@@ -0,0 +1,25 @@
+const c = require("crypto");
+
+function hash(r) {
+  const header_query_value = r.variables.header_query_value;
+  const hashed_value = c
+    .createHash("sha256")
+    .update(header_query_value)
+    .digest("hex");
+  return hashed_value;
+}
+
+function validate(r) {
+  const client_name = r.variables["apikey_auth_local_map"];
+  const header_query_value = r.variables.header_query_value;
+
+  if (!header_query_value) {
+    r.return(401, "401");
+  } else if (!client_name) {
+    r.return(403, "403");
+  } else {
+    r.return(204, "204");
+  }
+}
+
+export default { validate, hash };

internal/configs/version1/nginx-plus.tmpl

@@ -27,9 +27,7 @@ load_module modules/ngx_fips_check_module.so;
 {{$value}}{{end}}
 {{- end}}
 
-{{- if .OIDC}}
 load_module modules/ngx_http_js_module.so;
-{{- end}}
 
 events {
     worker_connections  {{.WorkerConnections}};
@@ -41,6 +39,8 @@ http {
     map_hash_max_size {{.MapHashMaxSize}};
     map_hash_bucket_size {{.MapHashBucketSize}};
 
+    js_import /etc/nginx/njs/apikey_auth.js; # TODO: only import if its needed
+
     {{- if .HTTPSnippets}}
     {{range $value := .HTTPSnippets}}
     {{$value}}{{end}}

internal/configs/version1/nginx.tmpl

@@ -1,4 +1,5 @@
 {{- /*gotype: github.com/nginxinc/kubernetes-ingress/internal/configs/version1.MainConfig*/ -}}
+
 worker_processes  {{.WorkerProcesses}};
 {{- if .WorkerRlimitNofile}}
 worker_rlimit_nofile {{.WorkerRlimitNofile}};{{end}}
@@ -20,6 +21,8 @@ load_module modules/ngx_http_opentracing_module.so;
 {{$value}}{{end}}
 {{- end}}
 
+load_module modules/ngx_http_js_module.so;
+
 events {
     worker_connections  {{.WorkerConnections}};
 }
@@ -30,6 +33,9 @@ http {
     map_hash_max_size {{.MapHashMaxSize}};
     map_hash_bucket_size {{.MapHashBucketSize}};
 
+
+    js_import /etc/nginx/njs/apikey_auth.js; # TODO: only import if its needed
+
     {{- if .HTTPSnippets}}
     {{range $value := .HTTPSnippets}}
     {{$value}}{{end}}

internal/configs/version2/http.go

@@ -84,6 +84,7 @@
 	IngressMTLS               *IngressMTLS
 	EgressMTLS                *EgressMTLS
 	OIDC                      *OIDC
+	APIKey                    *APIKey
 	WAF                       *WAF
 	Dos                       *Dos
 	PoliciesErrorReturn       *Return
@@ -137,6 +138,19 @@
 	AccessTokenEnable bool
 }
 
+type APIKey struct {
+	Header                []string
+	Query                 []string
+	RejectCodeNotSupplied int
+	RejectCodeNoMatch     int
+	Clients               []Client
+}
+
+type Client struct {
+	ClientID     string
+	EncryptedKey string
+}
+
 // WAF defines WAF configuration.
 type WAF struct {
 	Enable              string
@@ -197,6 +211,7 @@
 	BasicAuth                *BasicAuth
 	EgressMTLS               *EgressMTLS
 	OIDC                     bool
+	APIKey                   *APIKey
 	WAF                      *WAF
 	Dos                      *Dos
 	PoliciesErrorReturn      *Return