feat: v2 (#599)

Read https://github.com/filebrowser/filebrowser/pull/575.

Former-commit-id: 7aedcaaf72b863033e3f089d6df308d41a3fd00c [formerly bdbe4d49161b901c4adf9c245895a1be2d62e4a7] [formerly acfc1ec67c423e0b3e065a8c1f8897c5249af65b [formerly d309066def8319e9da89d00ca6463ec4aea62d34]]
Former-commit-id: 0c7d925a38a68ccabdf2c4bbd8c302ee89b93509 [formerly a6173925a1382955d93b334ded93f70d6dddd694]
Former-commit-id: e032e0804dd051df86f42962de2b39caec5318b7

storage/bolt/importer/users.go

@@ -0,0 +1,121 @@
+package importer
+
+import (
+	"encoding/json"
+	"fmt"
+	"path/filepath"
+
+	"github.com/asdine/storm"
+	"github.com/filebrowser/filebrowser/v2/rules"
+	"github.com/filebrowser/filebrowser/v2/storage"
+	"github.com/filebrowser/filebrowser/v2/users"
+	"go.etcd.io/bbolt"
+)
+
+type oldUser struct {
+	ID            int           `storm:"id,increment"`
+	Admin         bool          `json:"admin"`
+	AllowCommands bool          `json:"allowCommands"` // Execute commands
+	AllowEdit     bool          `json:"allowEdit"`     // Edit/rename files
+	AllowNew      bool          `json:"allowNew"`      // Create files and folders
+	AllowPublish  bool          `json:"allowPublish"`  // Publish content (to use with static gen)
+	LockPassword  bool          `json:"lockPassword"`
+	Commands      []string      `json:"commands"`
+	Locale        string        `json:"locale"`
+	Password      string        `json:"password"`
+	Rules         []*rules.Rule `json:"rules"`
+	Scope         string        `json:"filesystem"`
+	Username      string        `json:"username" storm:"index,unique"`
+	ViewMode      string        `json:"viewMode"`
+}
+
+func readOldUsers(db *storm.DB) ([]*oldUser, error) {
+	users := []*oldUser{}
+	err := db.Bolt.View(func(tx *bolt.Tx) error {
+		return tx.Bucket([]byte("User")).ForEach(func(k []byte, v []byte) error {
+			if len(v) > 0 && string(v)[0] == '{' {
+				user := &oldUser{}
+				err := json.Unmarshal(v, user)
+
+				if err != nil {
+					return err
+				}
+
+				users = append(users, user)
+			}
+
+			return nil
+		})
+	})
+
+	return users, err
+}
+
+func convertUsersToNew(old []*oldUser) ([]*users.User, error) {
+	var err error
+	list := []*users.User{}
+
+	for _, oldUser := range old {
+		user := &users.User{
+			ID:           uint(oldUser.ID),
+			Username:     oldUser.Username,
+			Password:     oldUser.Password,
+			Scope:        oldUser.Scope,
+			Locale:       oldUser.Locale,
+			LockPassword: oldUser.LockPassword,
+			ViewMode:     users.ViewMode(oldUser.ViewMode),
+			Commands:     oldUser.Commands,
+			Rules:        []rules.Rule{},
+			Perm: users.Permissions{
+				Admin:    oldUser.Admin,
+				Execute:  oldUser.AllowCommands,
+				Create:   oldUser.AllowNew,
+				Rename:   oldUser.AllowEdit,
+				Modify:   oldUser.AllowEdit,
+				Delete:   oldUser.AllowEdit,
+				Share:    true,
+				Download: true,
+			},
+		}
+
+		for _, rule := range oldUser.Rules {
+			user.Rules = append(user.Rules, *rule)
+		}
+
+		user.Scope, err = filepath.Abs(user.Scope)
+		if err != nil {
+			return nil, err
+		}
+
+		err = user.Clean()
+		if err != nil {
+			return nil, err
+		}
+
+		list = append(list, user)
+	}
+
+	return list, nil
+}
+
+func importUsers(old *storm.DB, sto *storage.Storage) error {
+	oldUsers, err := readOldUsers(old)
+	if err != nil {
+		return err
+	}
+
+	newUsers, err := convertUsersToNew(oldUsers)
+	if err != nil {
+		return err
+	}
+
+	for _, user := range newUsers {
+		err = sto.Users.Save(user)
+		if err != nil {
+			return err
+		}
+	}
+
+	fmt.Printf("%d users successfully imported into the new DB.\n", len(newUsers))
+	return nil
+}