Feat: file uploading token sign for remote policy

service/explorer/upload.go

@@ -0,0 +1,35 @@
+package explorer
+
+import (
+	"context"
+	"github.com/HFO4/cloudreve/pkg/filesystem"
+	"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
+	"github.com/HFO4/cloudreve/pkg/serializer"
+	"github.com/gin-gonic/gin"
+)
+
+// UploadCredentialService 获取上传凭证服务
+type UploadCredentialService struct {
+	Path string `form:"path" binding:"required"`
+	Size uint64 `form:"size" binding:"required,min=0"`
+}
+
+// Get 获取新的上传凭证
+func (service *UploadCredentialService) Get(ctx context.Context, c *gin.Context) serializer.Response {
+	// 创建文件系统
+	fs, err := filesystem.NewFileSystemFromContext(c)
+	if err != nil {
+		return serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)
+	}
+
+	ctx = context.WithValue(ctx, fsctx.GinCtx, c)
+	credential, err := fs.GetUploadToken(ctx, service.Path, service.Size)
+	if err != nil {
+		return serializer.Err(serializer.CodeNotSet, err.Error(), err)
+	}
+
+	return serializer.Response{
+		Code: 0,
+		Data: credential,
+	}
+}