Add empty provider check

storage/storage.go

@@ -32,6 +32,10 @@ type Object struct {
 }
 
 func ListObjects(provider string, prefix string) ([]*Object, error) {
+	if provider == "" {
+		return nil, fmt.Errorf("storage provider is empty")
+	}
+
 	resources, err := casdoor.ListResources(provider, prefix)
 	if err != nil {
 		return nil, err
@@ -50,6 +54,10 @@ func ListObjects(provider string, prefix string) ([]*Object, error) {
 }
 
 func GetObject(provider string, key string) (io.ReadCloser, error) {
+	if provider == "" {
+		return nil, fmt.Errorf("storage provider is empty")
+	}
+
 	res, err := casdoor.GetResource(provider, key)
 	if err != nil {
 		return nil, err
@@ -64,6 +72,10 @@ func GetObject(provider string, key string) (io.ReadCloser, error) {
 }
 
 func PutObject(provider string, user string, parent string, key string, fileBuffer *bytes.Buffer) error {
+	if provider == "" {
+		return fmt.Errorf("storage provider is empty")
+	}
+
 	_, _, err := casdoorsdk.UploadResource(user, "Casibase", parent, fmt.Sprintf("Direct/%s/%s", provider, key), fileBuffer.Bytes())
 	if err != nil {
 		return err
@@ -72,6 +84,10 @@ func PutObject(provider string, user string, parent string, key string, fileBuff
 }
 
 func DeleteObject(provider string, key string) error {
+	if provider == "" {
+		return fmt.Errorf("storage provider is empty")
+	}
+
 	_, err := casdoorsdk.DeleteResource(fmt.Sprintf("Direct/%s/%s", provider, key))
 	if err != nil {
 		return err

web/src/FileTreePage.js

@@ -38,7 +38,7 @@ class FileTreePage extends React.Component {
     StoreBackend.getStore(this.state.owner, this.state.storeName)
       .then((res) => {
         if (res.status === "ok") {
-          if (res.data2 !== null && res.data?.includes("error")) {
+          if (typeof res.data2 === "string" && res.data2 !== "") {
             res.data.error = res.data2;
           }
 

web/src/HomePage.js

@@ -35,7 +35,7 @@ class HomePage extends React.Component {
     StoreBackend.getStore("admin", "_casibase_default_store_")
       .then((res) => {
         if (res.status === "ok") {
-          if (res.data2 !== null && res.data2.includes("error")) {
+          if (typeof res.data2 === "string" && res.data2 !== "") {
             res.data.error = res.data2;
           }
 

web/src/StoreEditPage.js

@@ -38,7 +38,7 @@ class StoreEditPage extends React.Component {
     StoreBackend.getStore(this.state.owner, this.state.storeName)
       .then((res) => {
         if (res.status === "ok") {
-          if (res.data2 !== null && res.data2.includes("error")) {
+          if (typeof res.data2 === "string" && res.data2 !== "") {
             res.data.error = res.data2;
           }