add experimental plugin system

sdk/folder.go

@@ -0,0 +1,35 @@
+package sdk
+
+// BaseVirtualFolder defines the path for the virtual folder and the used quota limits.
+// The same folder can be shared among multiple users and each user can have different
+// quota limits or a different virtual path.
+type BaseVirtualFolder struct {
+	ID            int64  `json:"id"`
+	Name          string `json:"name"`
+	MappedPath    string `json:"mapped_path,omitempty"`
+	Description   string `json:"description,omitempty"`
+	UsedQuotaSize int64  `json:"used_quota_size"`
+	// Used quota as number of files
+	UsedQuotaFiles int `json:"used_quota_files"`
+	// Last quota update as unix timestamp in milliseconds
+	LastQuotaUpdate int64 `json:"last_quota_update"`
+	// list of usernames associated with this virtual folder
+	Users []string `json:"users,omitempty"`
+	// Filesystem configuration details
+	FsConfig Filesystem `json:"filesystem"`
+}
+
+// VirtualFolder defines a mapping between an SFTPGo exposed virtual path and a
+// filesystem path outside the user home directory.
+// The specified paths must be absolute and the virtual path cannot be "/",
+// it must be a sub directory. The parent directory for the specified virtual
+// path must exist. SFTPGo will, by default, try to automatically create any missing
+// parent directory for the configured virtual folders at user login.
+type VirtualFolder struct {
+	BaseVirtualFolder
+	VirtualPath string `json:"virtual_path"`
+	// Maximum size allowed as bytes. 0 means unlimited, -1 included in user quota
+	QuotaSize int64 `json:"quota_size"`
+	// Maximum number of files allowed. 0 means unlimited, -1 included in user quota
+	QuotaFiles int `json:"quota_files"`
+}