api for authorization

Signed-off-by: huabing zhao <zhaohuabing@gmail.com>

api/v1alpha1/authorization_types.go

@@ -0,0 +1,76 @@
+// Copyright Envoy Gateway Authors
+// SPDX-License-Identifier: Apache-2.0
+// The full text of the Apache license is available in the LICENSE file at
+// the root of the repo.
+
+package v1alpha1
+
+// AuthorizationAction defines the action to take if a request matches the rule.
+type AuthorizationAction string
+
+const (
+	// AuthorizationActionAllow allows the request.
+	AuthorizationActionAllow AuthorizationAction = "ALLOW"
+	// AuthorizationActionDeny denies the request.
+	AuthorizationActionDeny AuthorizationAction = "DENY"
+)
+
+// Authorization defines the configuration for request authorization.
+type Authorization struct {
+	// Rules define a list of authorization rules.
+	// +kubebuilder:validation:MinItems=1
+	Rules []AuthorizationRule `json:"policies"`
+}
+
+// AuthorizationRule defines the configuration for an authorization rule.
+type AuthorizationRule struct {
+	// Action defines the action to take if a request matches the rule.
+	// ALLOW allows the request, and DENY denies the request.
+	// +kubebuilder:validation:Enum=ALLOW;DENY
+	Action AuthorizationAction `json:"action"`
+
+	// Policies define which principals are allowed/denied access to specified permissions based on the action.
+	Policies []AuthorizationPolicy `json:"policy"`
+}
+
+// AuthorizationPolicy defines the configuration for an authorization policy.
+type AuthorizationPolicy struct {
+	// Principals define the list of principals that are allowed/denied access based on the action.
+	// If no principals are specified, all requests are matched.
+	Principles []Principle `json:"principles"`
+
+	// Permissions define the list of permissions that are allowed/denied access based on the action.
+	// If no permissions are specified, all requests are matched.
+	Permissions []Permission `json:"permissions"`
+}
+
+// Principle defines the configuration for a principle.
+type Principle struct {
+	// SourceIP is an IP CIDR that represents the range of the source IP addresses for clients.
+	// This address will honor proxy protocol, but will not honor XFF.
+	// For example, `192.168.0.1/32`, `192.168.0.0/24`, `001:db8::/64`.
+	// One of SourceIP or JWTClaim must be specified.
+	SourceIP *string `json:"sourceIP,omitempty"`
+
+	// JWTClaims is a JWT claim that can be used to authorize requests.
+	// To use this claim, the JWT settings must be configured in the SecurityPolicy,
+	// and the specified claim must be present in the JWT token.
+	// One of SourceIP or JWTClaim must be specified.
+	JWTClaim *JWTClaim
+}
+
+// JWTClaim defines a JWT claim that can be used to authorize requests.
+type JWTClaim struct {
+	// Name is the name of the claim.
+	Name string `json:"name"`
+
+	// Value is the value of the claim.
+	Value string `json:"value"`
+}
+
+// Permission defines actions that the authorized principals can take.
+type Permission struct {
+	// Methods define the list of HTTP methods that are allowed/denied access based on the action.
+	// If no methods are specified, all methods are matched.
+	Method []string `json:"method"`
+}

api/v1alpha1/securitypolicy_types.go

@@ -70,6 +70,11 @@ type SecurityPolicySpec struct {
 	//
 	// +optional
 	ExtAuth *ExtAuth `json:"extAuth,omitempty"`
+
+	// Authorization defines the configuration for authorization.
+	//
+	// +optional
+	Authorization *Authorization `json:"authorization
 }
 
 // SecurityPolicyStatus defines the state of SecurityPolicy