mirror of
https://github.com/drakkan/sftpgo.git
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122 lines
4.1 KiB
Go
122 lines
4.1 KiB
Go
package dataprovider
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import (
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"encoding/json"
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"path/filepath"
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"github.com/drakkan/sftpgo/utils"
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)
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// Available permissions for SFTP users
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const (
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// All permissions are granted
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PermAny = "*"
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// List items such as files and directories is allowed
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PermListItems = "list"
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// download files is allowed
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PermDownload = "download"
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// upload files is allowed
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PermUpload = "upload"
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// delete files or directories is allowed
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PermDelete = "delete"
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// rename files or directories is allowed
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PermRename = "rename"
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// create directories is allowed
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PermCreateDirs = "create_dirs"
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// create symbolic links is allowed
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PermCreateSymlinks = "create_symlinks"
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)
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// User defines an SFTP user
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type User struct {
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// Database unique identifier
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ID int64 `json:"id"`
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// Username
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Username string `json:"username"`
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// Password used for password authentication.
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// For users created using SFTPGo REST API the password is be stored using argon2id hashing algo.
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// Checking passwords stored with bcrypt is supported too.
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// Currently, as fallback, there is a clear text password checking but you should not store passwords
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// as clear text and this support could be removed at any time, so please don't depend on it.
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Password string `json:"password,omitempty"`
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// PublicKeys used for public key authentication. At least one between password and a public key is mandatory
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PublicKeys []string `json:"public_keys,omitempty"`
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// The user cannot upload or download files outside this directory. Must be an absolute path
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HomeDir string `json:"home_dir"`
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// If sftpgo runs as root system user then the created files and directories will be assigned to this system UID
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UID int `json:"uid"`
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// If sftpgo runs as root system user then the created files and directories will be assigned to this system GID
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GID int `json:"gid"`
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// Maximum concurrent sessions. 0 means unlimited
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MaxSessions int `json:"max_sessions"`
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// Maximum size allowed as bytes. 0 means unlimited
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QuotaSize int64 `json:"quota_size"`
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// Maximum number of files allowed. 0 means unlimited
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QuotaFiles int `json:"quota_files"`
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// List of the granted permissions
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Permissions []string `json:"permissions"`
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// Used quota as bytes
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UsedQuotaSize int64 `json:"used_quota_size"`
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// Used quota as number of files
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UsedQuotaFiles int `json:"used_quota_files"`
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// Last quota update as unix timestamp in milliseconds
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LastQuotaUpdate int64 `json:"last_quota_update"`
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// Maximum upload bandwidth as KB/s, 0 means unlimited
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UploadBandwidth int64 `json:"upload_bandwidth"`
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// Maximum download bandwidth as KB/s, 0 means unlimited
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DownloadBandwidth int64 `json:"download_bandwidth"`
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}
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// HasPerm returns true if the user has the given permission or any permission
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func (u *User) HasPerm(permission string) bool {
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if utils.IsStringInSlice(PermAny, u.Permissions) {
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return true
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}
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return utils.IsStringInSlice(permission, u.Permissions)
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}
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// GetPermissionsAsJSON returns the permissions as json byte array
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func (u *User) GetPermissionsAsJSON() ([]byte, error) {
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return json.Marshal(u.Permissions)
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}
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// GetPublicKeysAsJSON returns the public keys as json byte array
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func (u *User) GetPublicKeysAsJSON() ([]byte, error) {
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return json.Marshal(u.PublicKeys)
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}
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// GetUID returns a validate uid, suitable for use with os.Chown
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func (u *User) GetUID() int {
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if u.UID <= 0 || u.UID > 65535 {
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return -1
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}
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return u.UID
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}
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// GetGID returns a validate gid, suitable for use with os.Chown
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func (u *User) GetGID() int {
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if u.GID <= 0 || u.GID > 65535 {
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return -1
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}
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return u.GID
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}
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// GetHomeDir returns the shortest path name equivalent to the user's home directory
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func (u *User) GetHomeDir() string {
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return filepath.Clean(u.HomeDir)
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}
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// HasQuotaRestrictions returns true if there is a quota restriction on number of files or size or both
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func (u *User) HasQuotaRestrictions() bool {
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return u.QuotaFiles > 0 || u.QuotaSize > 0
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}
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// GetRelativePath returns the path for a file relative to the user's home dir.
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// This is the path as seen by SFTP users
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func (u *User) GetRelativePath(path string) string {
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rel, err := filepath.Rel(u.GetHomeDir(), path)
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if err != nil {
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return ""
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}
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return "/" + filepath.ToSlash(rel)
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}
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