117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
package users
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import (
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"sync"
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"time"
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"github.com/filebrowser/filebrowser/v2/errors"
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)
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// StorageBackend is the interface to implement for a users storage.
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type StorageBackend interface {
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GetBy(interface{}) (*User, error)
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Gets() ([]*User, error)
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Save(u *User) error
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Update(u *User, fields ...string) error
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DeleteByID(uint) error
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DeleteByUsername(string) error
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}
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// Storage is a users storage.
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type Storage struct {
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back StorageBackend
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updated map[uint]int64
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mux sync.RWMutex
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}
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// NewStorage creates a users storage from a backend.
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func NewStorage(back StorageBackend) *Storage {
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return &Storage{
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back: back,
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updated: map[uint]int64{},
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}
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}
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// Get allows you to get a user by its name or username. The provided
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// id must be a string for username lookup or a uint for id lookup. If id
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// is neither, a ErrInvalidDataType will be returned.
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func (s *Storage) Get(baseScope string, id interface{}) (user *User, err error) {
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user, err = s.back.GetBy(id)
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if err != nil {
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return
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}
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if err := user.Clean(baseScope); err != nil {
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return nil, err
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}
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return
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}
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// Gets gets a list of all users.
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func (s *Storage) Gets(baseScope string) ([]*User, error) {
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users, err := s.back.Gets()
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if err != nil {
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return nil, err
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}
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for _, user := range users {
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if err := user.Clean(baseScope); err != nil { //nolint:shadow
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return nil, err
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}
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}
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return users, err
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}
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// Update updates a user in the database.
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func (s *Storage) Update(user *User, fields ...string) error {
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err := user.Clean("", fields...)
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if err != nil {
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return err
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}
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err = s.back.Update(user, fields...)
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if err != nil {
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return err
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}
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s.mux.Lock()
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s.updated[user.ID] = time.Now().Unix()
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s.mux.Unlock()
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return nil
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}
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// Save saves the user in a storage.
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func (s *Storage) Save(user *User) error {
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if err := user.Clean(""); err != nil {
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return err
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}
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return s.back.Save(user)
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}
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// Delete allows you to delete a user by its name or username. The provided
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// id must be a string for username lookup or a uint for id lookup. If id
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// is neither, a ErrInvalidDataType will be returned.
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func (s *Storage) Delete(id interface{}) (err error) {
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switch id := id.(type) {
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case string:
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err = s.back.DeleteByUsername(id)
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case uint:
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err = s.back.DeleteByID(id)
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default:
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err = errors.ErrInvalidDataType
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}
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return
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}
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// LastUpdate gets the timestamp for the last update of an user.
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func (s *Storage) LastUpdate(id uint) int64 {
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s.mux.RLock()
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defer s.mux.RUnlock()
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if val, ok := s.updated[id]; ok {
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return val
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}
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return 0
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}
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