refactor: replace Azure Blob SDK with a REST client (#39315)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/storage/storage.go

@@ -12,6 +12,7 @@ import (
 	"os"
 	"path"
 	"strings"
+	"time"
 
 	"gitea.dev/modules/httplib"
 	"gitea.dev/modules/log"
@@ -42,6 +43,19 @@ type Object interface {
 	Stat() (os.FileInfo, error)
 }
 
+type objectFileInfo struct {
+	name    string
+	size    int64
+	modTime time.Time
+}
+
+func (o *objectFileInfo) Name() string       { return o.name } // base name, no dir path
+func (o *objectFileInfo) Size() int64        { return o.size }
+func (o *objectFileInfo) ModTime() time.Time { return o.modTime }
+func (o *objectFileInfo) IsDir() bool        { return false } // object storage doesn't support dir
+func (o *objectFileInfo) Mode() os.FileMode  { return os.ModePerm }
+func (o *objectFileInfo) Sys() any           { return nil }
+
 // ServeDirectOptions customizes HTTP headers for a generated signed URL.
 type ServeDirectOptions struct {
 	// Overrides the automatically detected MIME type.