internal/domain/usecase/opa.go

@@ -40,6 +40,8 @@ type RuleRequest struct {
 }
 
 type CheckOPAResp struct {
-	Allow   bool        `json:"allow"`
-	Request RuleRequest `json:"request"`
+	Allow      bool        `json:"allow"`
+	PolicyName string      `json:"policy_name"`
+	PlainCode  bool        `json:"plain_code"` // 是否為明碼顯示
+	Request    RuleRequest `json:"request"`
 }

internal/logic/permissionservice/check_permission_by_role_logic.go

@@ -1,10 +1,11 @@
 package permissionservicelogic
 
 import (
-	"context"
-
 	"ark-permission/gen_result/pb/permission"
+	"ark-permission/internal/domain/usecase"
 	"ark-permission/internal/svc"
+	ers "code.30cm.net/wanderland/library-go/errors"
+	"context"
 
 	"github.com/zeromicro/go-zero/core/logx"
 )
@@ -23,9 +24,36 @@ func NewCheckPermissionByRoleLogic(ctx context.Context, svcCtx *svc.ServiceConte
 	}
 }
 
+type checkPermissionReq struct {
+	Role   string `json:"role" validate:"required"`
+	Method string `json:"method" validate:"required"`
+	Path   string `json:"path" validate:"required"`
+}
+
 // CheckPermissionByRole 透過角色 ID 來檢視權限
 func (l *CheckPermissionByRoleLogic) CheckPermissionByRole(in *permission.CheckPermissionByRoleReq) (*permission.PermissionResp, error) {
-	// todo: add your logic here and delete this line
+	// 驗證所需
+	if err := l.svcCtx.Validate.ValidateAll(&checkPermissionReq{
+		Role:   in.GetRole(),
+		Method: in.GetMethod(),
+		Path:   in.GetPath(),
+	}); err != nil {
+		return nil, ers.InvalidFormat(err.Error())
+	}
 
-	return &permission.PermissionResp{}, nil
+	rbacPermission, err := l.svcCtx.PolicyAgent.CheckRBACPermission(l.ctx, usecase.CheckReq{
+		Roles:  []string{in.GetRole()},
+		Method: in.GetMethod(),
+		Path:   in.GetPath(),
+	})
+
+	if err != nil {
+		return nil, ers.Forbidden(err.Error())
+	}
+
+	return &permission.PermissionResp{
+		Allow:          rbacPermission.Allow,
+		PermissionName: rbacPermission.PolicyName,
+		PlainCode:      rbacPermission.PlainCode,
+	}, nil
 }

internal/logic/permissionservice/list_permission_status_logic.go

@@ -42,7 +42,7 @@ func (l *ListPermissionStatusLogic) ListPermissionStatus(in *permission.NoneReq)
 				Id:       v.Id,                                  // 權限 ID
 				ParentId: v.Parent.Int64,                        // 上級權限的ID
 				Name:     v.Name,                                // 權限名稱
-				Status:   permission.PermissionStatus(v.Status), // 權限開啟或關閉，判斷時上級權限如果關閉，下級也應該關閉對此人關閉
+				Status:   permission.PermissionStatus(v.Status), // 權限開啟或關閉，判斷時上級權限如果關閉，下級也應該關閉對此人關閉 // TODO 還沒做到，目前忠實呈現
 				Type:     t.ToString(),                          // 前台權限，還是後台權限，還是其他中台之類的
 			})
 			exist[v.Name] = struct{}{}

internal/svc/service_context.go

@@ -3,11 +3,14 @@ package svc
 import (
 	"ark-permission/internal/config"
 	"ark-permission/internal/domain/repository"
+	domainUseCase "ark-permission/internal/domain/usecase"
 	"ark-permission/internal/lib/required"
 	"ark-permission/internal/model"
 	repo "ark-permission/internal/repository"
+	"ark-permission/internal/usecase"
 	ers "code.30cm.net/wanderland/library-go/errors"
 	"code.30cm.net/wanderland/library-go/errors/code"
+	"context"
 	"github.com/zeromicro/go-zero/core/stores/redis"
 	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )
@@ -18,8 +21,8 @@ type ServiceContext struct {
 	Validate       required.Validate
 	Redis          redis.Redis
 	TokenRedisRepo repository.TokenRepository
-
-	Permission model.PermissionModel
+	Permission     model.PermissionModel
+	PolicyAgent    domainUseCase.OpaUseCase
 }
 
 func NewServiceContext(c config.Config) *ServiceContext {
@@ -29,9 +32,18 @@ func NewServiceContext(c config.Config) *ServiceContext {
 	}
 
 	ers.Scope = code.CloudEPPermission
-
 	sqlConn := sqlx.NewMysql(c.DB.DsnString)
 
+	pa, err := usecase.NewOpaUseCase(usecase.OpaUseCaseParam{})
+	if err != nil {
+		panic(err)
+	}
+	// TODO policy 權限還要再組合過，我的角度會把 UID 當成一種 RoleID 這樣就可以針對每一個人克制權限，，初期也可以使用最簡安的來做統一，再想一下
+	err = pa.LoadPolicy(context.Background(), []domainUseCase.Policy{})
+	if err != nil {
+		panic(err)
+	}
+
 	return &ServiceContext{
 		Config:   c,
 		Validate: required.MustValidator(),
@@ -39,6 +51,7 @@ func NewServiceContext(c config.Config) *ServiceContext {
 		TokenRedisRepo: repo.NewTokenRepository(repo.TokenRepositoryParam{
 			Store: newRedis,
 		}),
-		Permission: model.NewPermissionModel(sqlConn),
+		Permission:  model.NewPermissionModel(sqlConn),
+		PolicyAgent: pa,
 	}
 }

internal/usecase/opa.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"github.com/open-policy-agent/opa/rego"
 	"github.com/zeromicro/go-zero/core/logx"
+	"strings"
 )
 
 //go:embed "rule.rego"
@@ -114,49 +115,83 @@ func policiesToMap(policy usecase.Policy) map[string]any {
 func convertToCheckOPAResp(data map[string]any) (usecase.CheckOPAResp, error) {
 	var response usecase.CheckOPAResp
 
-	if allow, ok := data["allow"].(bool); ok {
-		response.Allow = allow
-	} else {
+	// 解析 allow 欄位
+	allow, ok := data["allow"].(bool)
+	if !ok {
 		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'allow' field")
 	}
+	response.Allow = allow
 
+	// 解析 policy_name 欄位
+	policyData, ok := data["policy_name"].(map[string]any)
+	if ok {
+		if name, ok := policyData["name"].(string); ok {
+			response.PolicyName = name
+			response.PlainCode = strings.HasSuffix(name, ".plan_code")
+		}
+	} else {
+		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'policy_name' field")
+	}
+
+	// 解析 request 欄位
 	requestData, ok := data["request"].(map[string]any)
 	if !ok {
 		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'request' field")
 	}
 
-	response.Request.Method = requestData["method"].(string)
-	response.Request.Path = requestData["path"].(string)
+	// 解析 method 和 path
+	response.Request.Method, ok = requestData["method"].(string)
+	if !ok {
+		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'method' field")
+	}
+	response.Request.Path, ok = requestData["path"].(string)
+	if !ok {
+		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'path' field")
+	}
 
+	// 解析 policies 欄位
 	policiesData, ok := requestData["policies"].([]any)
 	if !ok {
 		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'policies' field")
 	}
-	response.Request.Policies = make([]usecase.Policy, 0, len(policiesData))
-	for _, policyData := range policiesData {
-		p := policyData.(map[string]any)
-		methodsData := p["methods"].([]any)
+	response.Request.Policies = make([]usecase.Policy, len(policiesData))
+	for i, policyData := range policiesData {
+		policyMap, ok := policyData.(map[string]any)
+		if !ok {
+			return usecase.CheckOPAResp{}, fmt.Errorf("invalid policy format")
+		}
+		// 解析 methods
+		methodsData, ok := policyMap["methods"].([]any)
+		if !ok {
+			return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'methods' field in policy")
+		}
 		methods := make([]string, len(methodsData))
-		for i, m := range methodsData {
-			methods[i] = m.(string)
+		for j, m := range methodsData {
+			methods[j], ok = m.(string)
+			if !ok {
+				return usecase.CheckOPAResp{}, fmt.Errorf("invalid method format in policy")
+			}
 		}
-
-		policy := usecase.Policy{
+		// 組裝 policy
+		response.Request.Policies[i] = usecase.Policy{
 			Methods: methods,
-			Name:    p["name"].(string),
-			Path:    p["path"].(string),
-			Role:    p["role"].(string),
+			Name:    policyMap["name"].(string),
+			Path:    policyMap["path"].(string),
+			Role:    policyMap["role"].(string),
 		}
-		response.Request.Policies = append(response.Request.Policies, policy)
 	}
 
+	// 解析 roles 欄位
 	rolesData, ok := requestData["roles"].([]any)
 	if !ok {
 		return usecase.CheckOPAResp{}, fmt.Errorf("missing or invalid 'roles' field")
 	}
 	response.Request.Roles = make([]string, len(rolesData))
 	for i, r := range rolesData {
-		response.Request.Roles[i] = r.(string)
+		response.Request.Roles[i], ok = r.(string)
+		if !ok {
+			return usecase.CheckOPAResp{}, fmt.Errorf("invalid role format")
+		}
 	}
 
 	return response, nil

internal/usecase/opa_test.go

@@ -40,7 +40,7 @@ func TestMustOpaUseCase(t *testing.T) {
 	})
 	assert.NoError(t, err)
 
-	// 定义测试用例表
+	// 定義測試表
 	tests := []struct {
 		name        string
 		req         usecase.CheckReq

internal/usecase/rule.rego

@@ -32,3 +32,12 @@ allow if {
 	valid_role(input.roles, policy.role)
 	method_match(input.method, policy.methods)
 }
+
+# 返回當前符合的策略名稱
+policy_name := {
+    "name": policy.name|
+    policy := input.policies[_]
+    key_match(input.path, policy.path);
+    valid_role(input.roles, policy.role);
+    method_match(input.method, policy.methods)
+}