feat: support Casdoor storage API (#594)

* feat: Casdoor storage API

* chore: fmt casdoor.go using gofumpt

* feat: add global casdoor config variables

casdoor/adapter.go

@@ -23,8 +23,9 @@ import (
 )
 
 var (
-	adapter             *Adapter = nil
+	adapter      *Adapter = nil
-	CasdoorOrganization string
+	Organization string
+	Application  string
 )
 
 type Session struct {
@@ -41,7 +42,8 @@ func InitCasdoorAdapter() {
 
 	adapter = NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), beego.AppConfig.String("casdoorDbName"))
 
-	CasdoorOrganization = beego.AppConfig.String("casdoorOrganization")
+	Organization = beego.AppConfig.String("casdoorOrganization")
+	Application = beego.AppConfig.String("casdoorApplication")
 }
 
 // Adapter represents the MySQL adapter for policy storage.

casdoor/resource_adaptor.go

@@ -0,0 +1,38 @@
+package casdoor
+
+import (
+	"fmt"
+
+	"github.com/astaxie/beego"
+	"github.com/casbin/casibase/util"
+	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
+)
+
+func ListResources(prefix string) ([]*casdoorsdk.Resource, error) {
+	prefix = util.GetIdFromOwnerAndName(fmt.Sprintf("/resource/%s/%s/casibase",
+		beego.AppConfig.String("casdoorOrganization"),
+		beego.AppConfig.String("casdoorApplication")), prefix)
+
+	result := make([]*casdoorsdk.Resource, 0)
+	err := adapter.Engine.Where("name like ?", prefix+"%").Find(&result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+func GetResource(key string) (*casdoorsdk.Resource, error) {
+	id := fmt.Sprintf("/resource/%s/%s/casibase/%s", Organization, Application, key)
+	resource := casdoorsdk.Resource{Owner: Organization, Name: id}
+	existed, err := adapter.Engine.Get(&resource)
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return &resource, nil
+	} else {
+		return nil, fmt.Errorf("resource %s not found", key)
+	}
+}

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/aliyun/aliyun-oss-go-sdk v2.2.2+incompatible
 	github.com/astaxie/beego v1.12.3
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
-	github.com/casdoor/casdoor-go-sdk v0.9.1
+	github.com/casdoor/casdoor-go-sdk v0.25.0
 	github.com/danaugrs/go-tsne/tsne v0.0.0-20220306155740-2250969e057f
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/google/uuid v1.3.0

go.sum

@@ -705,8 +705,8 @@ github.com/calebcase/tmpfile v1.0.3 h1:BZrOWZ79gJqQ3XbAQlihYZf/YCV0H4KPIdM5K5oMp
 github.com/calebcase/tmpfile v1.0.3/go.mod h1:UAUc01aHeC+pudPagY/lWvt2qS9ZO5Zzof6/tIUzqeI=
 github.com/casbin/casbin v1.7.0/go.mod h1:c67qKN6Oum3UF5Q1+BByfFxkwKvhwW57ITjqwtzR1KE=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/casdoor/casdoor-go-sdk v0.9.1 h1:z+5nJ4IvP9cNUodLf8wS42AYtDoUCvN6McRB5M+1SAQ=
+github.com/casdoor/casdoor-go-sdk v0.25.0 h1:hrx10mgpLgWqNsgFKQN/ljJsnD1i0cytW+S+2XxmxyQ=
-github.com/casdoor/casdoor-go-sdk v0.9.1/go.mod h1:MBed3ISHQfXTtoOCAk5T8l5lt4wFvsyynrw0awggydY=
+github.com/casdoor/casdoor-go-sdk v0.25.0/go.mod h1:MBed3ISHQfXTtoOCAk5T8l5lt4wFvsyynrw0awggydY=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=

storage/casdoor.go

@@ -0,0 +1,75 @@
+package storage
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/astaxie/beego"
+	"github.com/casbin/casibase/casdoor"
+	"github.com/casbin/casibase/util"
+	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
+)
+
+type casdoorClient struct {
+	Storage
+}
+
+func NewCasdoorStorage() Storage {
+	return &casdoorClient{}
+}
+
+func (s *casdoorClient) Get(key string) (io.ReadCloser, error) {
+	res, err := casdoor.GetResource(key)
+	if err != nil {
+		return nil, err
+	}
+
+	response, err := http.Get(res.Url)
+	if err != nil {
+		return nil, err
+	}
+
+	return response.Body, nil
+}
+
+func (s *casdoorClient) Put(user, key string, bytes []byte) error {
+	_, _, err := casdoorsdk.UploadResource(user, "Casibase", "Casibase",
+		fmt.Sprintf("/resource/%s/%s/%s",
+			casdoor.Organization, casdoor.Application, key),
+		bytes)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (s *casdoorClient) Delete(key string) error {
+	_, err := casdoorsdk.DeleteResource(util.GetIdFromOwnerAndName(fmt.Sprintf("/resource/%s/%s/casibase",
+		beego.AppConfig.String("casdoorOrganization"),
+		beego.AppConfig.String("casdoorApplication")), key))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (s *casdoorClient) List(prefix string) ([]*Object, error) {
+	res, err := casdoor.ListResources(prefix)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]*Object, 0)
+	for _, r := range res {
+		created, _ := time.Parse(time.RFC3339, r.CreatedTime)
+		result = append(result, &Object{
+			Key:          util.GetNameFromIdNoCheck(r.Name),
+			LastModified: &created,
+			Storage:      s,
+		})
+	}
+
+	return result, nil
+}

storage/storage.go

@@ -0,0 +1,28 @@
+package storage
+
+import (
+	"io"
+	"time"
+)
+
+type Storage interface {
+	Get(key string) (io.ReadCloser, error)
+	Put(user, key string, bytes []byte) error
+	Delete(key string) error
+	List(prefix string) ([]*Object, error)
+}
+
+type Object struct {
+	Key          string
+	LastModified *time.Time
+	Storage      Storage
+}
+
+func NewStorageProvider(provider string) Storage {
+	switch provider {
+	case "casdoor":
+		return NewCasdoorStorage()
+	default:
+		return nil
+	}
+}

storage/storage_test.go

@@ -15,13 +15,70 @@
 //go:build !skipCi
 // +build !skipCi
 
-package storage
+package storage_test
 
-import "testing"
+import (
+	"io"
+	"testing"
+
+	"github.com/casbin/casibase/casdoor"
+	"github.com/casbin/casibase/controllers"
+	"github.com/casbin/casibase/storage"
+)
 
 func TestStorage(t *testing.T) {
-	_, err := ListObjects("casibase", "")
+	_, err := storage.ListObjects("casibase", "")
 	if err != nil {
 		panic(err)
 	}
 }
+
+func TestCasdoor(t *testing.T) {
+	controllers.InitAuthConfig()
+	casdoor.InitCasdoorAdapter()
+	s := storage.NewCasdoorStorage()
+
+	// Test Put
+	err := s.Put("admin", "test", []byte("test"))
+	if err != nil {
+		t.Error(err)
+	}
+
+	// Test List
+	objs, err := s.List("admin")
+	if err != nil {
+		t.Error(err)
+	}
+
+	for _, obj := range objs {
+		t.Log(obj)
+	}
+
+	// Test Get
+	in, err := s.Get("test")
+	if err != nil {
+		t.Error(err)
+	}
+
+	bytes, err := io.ReadAll(in)
+	if err != nil {
+		t.Error(err)
+	}
+
+	t.Log(string(bytes))
+
+	// Test Delete
+	err = s.Delete("test")
+	if err != nil {
+		t.Error(err)
+	}
+
+	objs, err = s.List("test")
+	if err != nil {
+		t.Error(err)
+	}
+
+	for _, obj := range objs {
+		t.Log(obj)
+	}
+}

util/string.go

@@ -93,6 +93,12 @@ func GetOwnerAndNameFromId3New(id string) (string, string, string) {
 	return tokens[0], tokens[1], tokens[2]
 }
 
+func GetNameFromIdNoCheck(id string) string {
+	tokens := strings.Split(id, "/")
+
+	return tokens[len(tokens)-1]
+}
+
 func GetIdFromOwnerAndName(owner string, name string) string {
 	return fmt.Sprintf("%s/%s", owner, name)
 }