dataprovider: add support for user status and expiration

an user can now be disabled or expired.

If you are using an SQL database as dataprovider please remember to
execute the sql update script inside "sql" folder.

Fixes #57

.travis.yml

@@ -12,7 +12,7 @@ env:
   - GO111MODULE=on
 
 before_script:
-  - sqlite3 sftpgo.db 'CREATE TABLE "users" ("id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, "username" varchar(255) NOT NULL UNIQUE, "password" varchar(255) NULL, "public_keys" text NULL, "home_dir" varchar(255) NOT NULL, "uid" integer NOT NULL, "gid" integer NOT NULL, "max_sessions" integer NOT NULL, "quota_size" bigint NOT NULL, "quota_files" integer NOT NULL, "permissions" text NOT NULL, "used_quota_size" bigint NOT NULL, "used_quota_files" integer NOT NULL, "last_quota_update" bigint NOT NULL, "upload_bandwidth" integer NOT NULL, "download_bandwidth" integer NOT NULL);'
+  - sqlite3 sftpgo.db 'CREATE TABLE "users" ("id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, "username" varchar(255) NOT NULL UNIQUE, "password" varchar(255) NULL, "public_keys" text NULL, "home_dir" varchar(255) NOT NULL, "uid" integer NOT NULL, "gid" integer NOT NULL, "max_sessions" integer NOT NULL, "quota_size" bigint NOT NULL, "quota_files" integer NOT NULL, "permissions" text NOT NULL, "used_quota_size" bigint NOT NULL, "used_quota_files" integer NOT NULL, "last_quota_update" bigint NOT NULL, "upload_bandwidth" integer NOT NULL, "download_bandwidth" integer NOT NULL, "expiration_date" bigint NOT NULL, "last_login" bigint NOT NULL, "status" integer NOT NULL);'
 
 install:
   - go get -v -t ./...

README.md

@@ -119,7 +119,7 @@ If you don't configure any private host keys, the daemon will use `id_rsa` in th
 
 Before starting `sftpgo` a dataprovider must be configured.
 
-Sample SQL scripts to create the required database structure can be found inside the source tree [sql](./sql "sql") directory. The SQL scripts filename's is, by convention, the date as `YYYYMMDD` and the suffix `.sql`. You need to apply all the SQL scripts for your database ordered by name, for example `20190706.sql` must be applied before `20190728.sql` and so on.
+Sample SQL scripts to create the required database structure can be found inside the source tree [sql](./sql "sql") directory. The SQL scripts filename's is, by convention, the date as `YYYYMMDD` and the suffix `.sql`. You need to apply all the SQL scripts for your database ordered by name, for example `20190828.sql` must be applied before `20191112.sql` and so on.
 
 The `sftpgo` configuration file contains the following sections:
 
@@ -329,11 +329,13 @@ For each account the following properties can be configured:
 - `username`
 - `password` used for password authentication. For users created using SFTPGo REST API if the password has no known hashing algo prefix it will be stored using argon2id. SFTPGo supports checking passwords stored with bcrypt, pbkdf2 and sha512crypt too. For pbkdf2 the supported format is `$<algo>$<iterations>$<salt>$<hashed pwd base64 encoded>`, where algo is `pbkdf2-sha1` or `pbkdf2-sha256` or `pbkdf2-sha512`. For example the `pbkdf2-sha256` of the word `password` using 150000 iterations and `E86a9YMX3zC7` as salt must be stored as `$pbkdf2-sha256$150000$E86a9YMX3zC7$R5J62hsSq+pYw00hLLPKBbcGXmq7fj5+/M0IFoYtZbo=`. For bcrypt the format must be the one supported by golang's [crypto/bcrypt](https://godoc.org/golang.org/x/crypto/bcrypt) package, for example the password `secret` with cost `14` must be stored as `$2a$14$ajq8Q7fbtFRQvXpdCq7Jcuy.Rx1h/L4J60Otx.gyNLbAYctGMJ9tK`. For sha512crypt we support the format used in `/etc/shadow` with the `$6$` prefix, this is useful if you are migrating from Unix system user accounts.  Using the REST API you can send a password hashed as bcrypt, pbkdf2 or sha512crypt and it will be stored as is.
 - `public_keys` array of public keys. At least one public key or the password is mandatory.
-- `home_dir` The user cannot upload or download files outside this directory. Must be an absolute path
+- `status` 1 means "active", 0 "inactive". An inactive account cannot login.
+- `expiration_date` expiration date as unix timestamp in milliseconds. An expired account cannot login. 0 means no expiration.
+- `home_dir` The user cannot upload or download files outside this directory. Must be an absolute path.
 - `uid`, `gid`. If sftpgo runs as root system user then the created files and directories will be assigned to this system uid/gid. Ignored on windows and if sftpgo runs as non root user: in this case files and directories for all SFTP users will be owned by the system user that runs sftpgo.
-- `max_sessions` maximum concurrent sessions. 0 means unlimited
-- `quota_size` maximum size allowed as bytes. 0 means unlimited
-- `quota_files` maximum number of files allowed. 0 means unlimited
+- `max_sessions` maximum concurrent sessions. 0 means unlimited.
+- `quota_size` maximum size allowed as bytes. 0 means unlimited.
+- `quota_files` maximum number of files allowed. 0 means unlimited.
 - `permissions` the following permissions are supported:
     - `*` all permissions are granted
     - `list` list items is allowed
@@ -344,8 +346,8 @@ For each account the following properties can be configured:
     - `rename` rename files or directories is allowed
     - `create_dirs` create directories is allowed
     - `create_symlinks` create symbolic links is allowed
-- `upload_bandwidth` maximum upload bandwidth as KB/s, 0 means unlimited
-- `download_bandwidth` maximum download bandwidth as KB/s, 0 means unlimited
+- `upload_bandwidth` maximum upload bandwidth as KB/s, 0 means unlimited.
+- `download_bandwidth` maximum download bandwidth as KB/s, 0 means unlimited.
 
 These properties are stored inside the data provider. If you want to use your existing accounts, you can create a database view. Since a view is read only, you have to disable user management and quota tracking so SFTPGo will never try to write to the view.
 

cmd/portable.go

@@ -49,6 +49,7 @@ Please take a look at the usage below to customize the serving parameters`,
 					PublicKeys:  portablePublicKeys,
 					Permissions: portablePermissions,
 					HomeDir:     portableDir,
+					Status:      1,
 				},
 			}
 			if err := service.StartPortableMode(portableSFTPDPort, portableEnableSCP, portableAdvertiseService,

dataprovider/bolt.go

@@ -13,9 +13,15 @@ import (
 	bolt "go.etcd.io/bbolt"
 )
 
+const (
+	databaseVersion = 2
+)
+
 var (
 	usersBucket      = []byte("users")
 	usersIDIdxBucket = []byte("users_id_idx")
+	dbVersionBucket  = []byte("db_version")
+	dbVersionKey     = []byte("version")
 )
 
 // BoltProvider auth provider for bolt key/value store
@@ -23,6 +29,10 @@ type BoltProvider struct {
 	dbHandle *bolt.DB
 }
 
+type boltDatabaseVersion struct {
+	Version int
+}
+
 func initializeBoltProvider(basePath string) error {
 	var err error
 	logSender = BoltDataProviderName
@@ -52,7 +62,16 @@ func initializeBoltProvider(basePath string) error {
 			providerLog(logger.LevelWarn, "error creating username idx bucket: %v", err)
 			return err
 		}
+		err = dbHandle.Update(func(tx *bolt.Tx) error {
+			_, e := tx.CreateBucketIfNotExists(dbVersionBucket)
+			return e
+		})
+		if err != nil {
+			providerLog(logger.LevelWarn, "error creating database version bucket: %v", err)
+			return err
+		}
 		provider = BoltProvider{dbHandle: dbHandle}
+		err = checkBoltDatabaseVersion(dbHandle)
 	} else {
 		providerLog(logger.LevelWarn, "error creating bolt key/value store handler: %v", err)
 	}
@@ -104,7 +123,7 @@ func (p BoltProvider) getUserByID(ID int64) (User, error) {
 		}
 		u := bucket.Get(username)
 		if u == nil {
-			return &RecordNotFoundError{err: fmt.Sprintf("username %v and ID: %v does not exist", string(username), ID)}
+			return &RecordNotFoundError{err: fmt.Sprintf("username %#v and ID: %v does not exist", string(username), ID)}
 		}
 		return json.Unmarshal(u, &user)
 	})
@@ -112,6 +131,30 @@ func (p BoltProvider) getUserByID(ID int64) (User, error) {
 	return user, err
 }
 
+func (p BoltProvider) updateLastLogin(username string) error {
+	return p.dbHandle.Update(func(tx *bolt.Tx) error {
+		bucket, _, err := getBuckets(tx)
+		if err != nil {
+			return err
+		}
+		var u []byte
+		if u = bucket.Get([]byte(username)); u == nil {
+			return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist, unable to update last login", username)}
+		}
+		var user User
+		err = json.Unmarshal(u, &user)
+		if err != nil {
+			return err
+		}
+		user.LastLogin = utils.GetTimeAsMsSinceEpoch(time.Now())
+		buf, err := json.Marshal(user)
+		if err != nil {
+			return err
+		}
+		return bucket.Put([]byte(username), buf)
+	})
+}
+
 func (p BoltProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
 	return p.dbHandle.Update(func(tx *bolt.Tx) error {
 		bucket, _, err := getBuckets(tx)
@@ -120,7 +163,7 @@ func (p BoltProvider) updateQuota(username string, filesAdd int, sizeAdd int64,
 		}
 		var u []byte
 		if u = bucket.Get([]byte(username)); u == nil {
-			return &RecordNotFoundError{err: fmt.Sprintf("username %v does not exist, unable to update quota", username)}
+			return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist, unable to update quota", username)}
 		}
 		var user User
 		err = json.Unmarshal(u, &user)
@@ -322,3 +365,90 @@ func getBuckets(tx *bolt.Tx) (*bolt.Bucket, *bolt.Bucket, error) {
 	}
 	return bucket, idxBucket, err
 }
+
+func checkBoltDatabaseVersion(dbHandle *bolt.DB) error {
+	dbVersion, err := getBoltDatabaseVersion(dbHandle)
+	if err != nil {
+		return err
+	}
+	if dbVersion.Version == databaseVersion {
+		providerLog(logger.LevelDebug, "bolt database updated, version: %v", dbVersion.Version)
+		return nil
+	}
+	if dbVersion.Version == 1 {
+		providerLog(logger.LevelInfo, "update bolt database version: 1 -> 2")
+		usernames, err := getBoltAvailableUsernames(dbHandle)
+		if err != nil {
+			return err
+		}
+		for _, u := range usernames {
+			user, err := provider.userExists(u)
+			if err != nil {
+				return err
+			}
+			user.Status = 1
+			err = provider.updateUser(user)
+			if err != nil {
+				return err
+			}
+			providerLog(logger.LevelInfo, "user %#v updated, \"status\" setted to 1", user.Username)
+		}
+		return updateBoltDatabaseVersion(dbHandle, 2)
+	}
+
+	return err
+}
+
+func getBoltAvailableUsernames(dbHandle *bolt.DB) ([]string, error) {
+	usernames := []string{}
+	err := dbHandle.View(func(tx *bolt.Tx) error {
+		_, idxBucket, err := getBuckets(tx)
+		if err != nil {
+			return err
+		}
+		cursor := idxBucket.Cursor()
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			usernames = append(usernames, string(v))
+		}
+		return nil
+	})
+
+	return usernames, err
+}
+
+func getBoltDatabaseVersion(dbHandle *bolt.DB) (boltDatabaseVersion, error) {
+	var dbVersion boltDatabaseVersion
+	err := dbHandle.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket(dbVersionBucket)
+		if bucket == nil {
+			return fmt.Errorf("unable to find database version bucket")
+		}
+		v := bucket.Get(dbVersionKey)
+		if v == nil {
+			dbVersion = boltDatabaseVersion{
+				Version: 1,
+			}
+			return nil
+		}
+		return json.Unmarshal(v, &dbVersion)
+	})
+	return dbVersion, err
+}
+
+func updateBoltDatabaseVersion(dbHandle *bolt.DB, version int) error {
+	err := dbHandle.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket(dbVersionBucket)
+		if bucket == nil {
+			return fmt.Errorf("unable to find database version bucket")
+		}
+		newDbVersion := boltDatabaseVersion{
+			Version: version,
+		}
+		buf, err := json.Marshal(newDbVersion)
+		if err != nil {
+			return err
+		}
+		return bucket.Put(dbVersionKey, buf)
+	})
+	return err
+}

dataprovider/dataprovider.go

@@ -160,6 +160,7 @@ type Provider interface {
 	deleteUser(user User) error
 	getUsers(limit int, offset int, order string, username string) ([]User, error)
 	getUserByID(ID int64) (User, error)
+	updateLastLogin(username string) error
 	checkAvailability() error
 	close() error
 }
@@ -203,6 +204,14 @@ func CheckUserAndPubKey(p Provider, username string, pubKey string) (User, strin
 	return p.validateUserAndPubKey(username, pubKey)
 }
 
+// UpdateLastLogin updates the last login fields for the given SFTP user
+func UpdateLastLogin(p Provider, user User) error {
+	if config.ManageUsers == 0 {
+		return &MethodDisabledError{err: manageUsersDisabledError}
+	}
+	return p.updateLastLogin(user.Username)
+}
+
 // UpdateUserQuota updates the quota for the given SFTP user adding filesAdd and sizeAdd.
 // If reset is true filesAdd and sizeAdd indicates the total files and the total size instead of the difference.
 func UpdateUserQuota(p Provider, user User, filesAdd int, sizeAdd int64, reset bool) error {
@@ -211,6 +220,9 @@ func UpdateUserQuota(p Provider, user User, filesAdd int, sizeAdd int64, reset b
 	} else if config.TrackQuota == 2 && !reset && !user.HasQuotaRestrictions() {
 		return nil
 	}
+	if config.ManageUsers == 0 {
+		return &MethodDisabledError{err: manageUsersDisabledError}
+	}
 	return p.updateQuota(user.Username, filesAdd, sizeAdd, reset)
 }
 
@@ -311,6 +323,9 @@ func validateUser(user *User) error {
 	if err := validatePermissions(user); err != nil {
 		return err
 	}
+	if user.Status < 0 || user.Status > 1 {
+		return &ValidationError{err: fmt.Sprintf("invalid user status: %v", user.Status)}
+	}
 	if len(user.Password) > 0 && !utils.IsStringPrefixInSlice(user.Password, hashPwdPrefixes) {
 		pwd, err := argon2id.CreateHash(user.Password, argon2id.DefaultParams)
 		if err != nil {
@@ -327,8 +342,22 @@ func validateUser(user *User) error {
 	return nil
 }
 
+func checkLoginConditions(user User) error {
+	if user.Status < 1 {
+		return fmt.Errorf("user %#v is disabled", user.Username)
+	}
+	if user.ExpirationDate > 0 && user.ExpirationDate < utils.GetTimeAsMsSinceEpoch(time.Now()) {
+		return fmt.Errorf("user %#v is expired, expiration timestamp: %v current timestamp: %v", user.Username,
+			user.ExpirationDate, utils.GetTimeAsMsSinceEpoch(time.Now()))
+	}
+	return nil
+}
+
 func checkUserAndPass(user User, password string) (User, error) {
-	var err error
+	err := checkLoginConditions(user)
+	if err != nil {
+		return user, err
+	}
 	if len(user.Password) == 0 {
 		return user, errors.New("Credentials cannot be null or empty")
 	}
@@ -372,6 +401,10 @@ func checkUserAndPass(user User, password string) (User, error) {
 }
 
 func checkUserAndPubKey(user User, pubKey string) (User, string, error) {
+	err := checkLoginConditions(user)
+	if err != nil {
+		return user, "", err
+	}
 	if len(user.PublicKeys) == 0 {
 		return user, "", errors.New("Invalid credentials")
 	}

dataprovider/memory.go

@@ -101,6 +101,21 @@ func (p MemoryProvider) getUserByID(ID int64) (User, error) {
 	return User{}, &RecordNotFoundError{err: fmt.Sprintf("user with ID %v does not exist", ID)}
 }
 
+func (p MemoryProvider) updateLastLogin(username string) error {
+	p.dbHandle.lock.Lock()
+	defer p.dbHandle.lock.Unlock()
+	if p.dbHandle.isClosed {
+		return errMemoryProviderClosed
+	}
+	user, err := p.userExistsInternal(username)
+	if err != nil {
+		return err
+	}
+	user.LastLogin = utils.GetTimeAsMsSinceEpoch(time.Now())
+	p.dbHandle.users[user.Username] = user
+	return nil
+}
+
 func (p MemoryProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
 	p.dbHandle.lock.Lock()
 	defer p.dbHandle.lock.Unlock()

dataprovider/mysql.go

@@ -64,6 +64,10 @@ func (p MySQLProvider) updateQuota(username string, filesAdd int, sizeAdd int64,
 	return sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p.dbHandle)
 }
 
+func (p MySQLProvider) updateLastLogin(username string) error {
+	return sqlCommonUpdateLastLogin(username, p.dbHandle)
+}
+
 func (p MySQLProvider) getUsedQuota(username string) (int, int64, error) {
 	return sqlCommonGetUsedQuota(username, p.dbHandle)
 }

dataprovider/pgsql.go

@@ -63,6 +63,10 @@ func (p PGSQLProvider) updateQuota(username string, filesAdd int, sizeAdd int64,
 	return sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p.dbHandle)
 }
 
+func (p PGSQLProvider) updateLastLogin(username string) error {
+	return sqlCommonUpdateLastLogin(username, p.dbHandle)
+}
+
 func (p PGSQLProvider) getUsedQuota(username string) (int, int64, error) {
 	return sqlCommonGetUsedQuota(username, p.dbHandle)
 }

dataprovider/sqlcommon.go

@@ -81,10 +81,27 @@ func sqlCommonUpdateQuota(username string, filesAdd int, sizeAdd int64, reset bo
 	defer stmt.Close()
 	_, err = stmt.Exec(sizeAdd, filesAdd, utils.GetTimeAsMsSinceEpoch(time.Now()), username)
 	if err == nil {
-		providerLog(logger.LevelDebug, "quota updated for user %v, files increment: %v size increment: %v is reset? %v",
+		providerLog(logger.LevelDebug, "quota updated for user %#v, files increment: %v size increment: %v is reset? %v",
 			username, filesAdd, sizeAdd, reset)
 	} else {
-		providerLog(logger.LevelWarn, "error updating quota for username %v: %v", username, err)
+		providerLog(logger.LevelWarn, "error updating quota for user %#v: %v", username, err)
+	}
+	return err
+}
+
+func sqlCommonUpdateLastLogin(username string, dbHandle *sql.DB) error {
+	q := getUpdateLastLoginQuery()
+	stmt, err := dbHandle.Prepare(q)
+	if err != nil {
+		providerLog(logger.LevelWarn, "error preparing database query %#v: %v", q, err)
+		return err
+	}
+	defer stmt.Close()
+	_, err = stmt.Exec(utils.GetTimeAsMsSinceEpoch(time.Now()), username)
+	if err == nil {
+		providerLog(logger.LevelDebug, "last login updated for user %#v", username)
+	} else {
+		providerLog(logger.LevelWarn, "error updating last login for user %#v: %v", username, err)
 	}
 	return err
 }
@@ -142,7 +159,7 @@ func sqlCommonAddUser(user User, dbHandle *sql.DB) error {
 		return err
 	}
 	_, err = stmt.Exec(user.Username, user.Password, string(publicKeys), user.HomeDir, user.UID, user.GID, user.MaxSessions, user.QuotaSize,
-		user.QuotaFiles, string(permissions), user.UploadBandwidth, user.DownloadBandwidth)
+		user.QuotaFiles, string(permissions), user.UploadBandwidth, user.DownloadBandwidth, user.Status, user.ExpirationDate)
 	return err
 }
 
@@ -167,7 +184,7 @@ func sqlCommonUpdateUser(user User, dbHandle *sql.DB) error {
 		return err
 	}
 	_, err = stmt.Exec(user.Password, string(publicKeys), user.HomeDir, user.UID, user.GID, user.MaxSessions, user.QuotaSize,
-		user.QuotaFiles, string(permissions), user.UploadBandwidth, user.DownloadBandwidth, user.ID)
+		user.QuotaFiles, string(permissions), user.UploadBandwidth, user.DownloadBandwidth, user.Status, user.ExpirationDate, user.ID)
 	return err
 }
 
@@ -224,12 +241,12 @@ func getUserFromDbRow(row *sql.Row, rows *sql.Rows) (User, error) {
 	if row != nil {
 		err = row.Scan(&user.ID, &user.Username, &password, &publicKey, &user.HomeDir, &user.UID, &user.GID, &user.MaxSessions,
 			&user.QuotaSize, &user.QuotaFiles, &permissions, &user.UsedQuotaSize, &user.UsedQuotaFiles, &user.LastQuotaUpdate,
-			&user.UploadBandwidth, &user.DownloadBandwidth)
+			&user.UploadBandwidth, &user.DownloadBandwidth, &user.ExpirationDate, &user.LastLogin, &user.Status)
 
 	} else {
 		err = rows.Scan(&user.ID, &user.Username, &password, &publicKey, &user.HomeDir, &user.UID, &user.GID, &user.MaxSessions,
 			&user.QuotaSize, &user.QuotaFiles, &permissions, &user.UsedQuotaSize, &user.UsedQuotaFiles, &user.LastQuotaUpdate,
-			&user.UploadBandwidth, &user.DownloadBandwidth)
+			&user.UploadBandwidth, &user.DownloadBandwidth, &user.ExpirationDate, &user.LastLogin, &user.Status)
 	}
 	if err != nil {
 		if err == sql.ErrNoRows {

dataprovider/sqlite.go

@@ -70,6 +70,10 @@ func (p SQLiteProvider) updateQuota(username string, filesAdd int, sizeAdd int64
 	return sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p.dbHandle)
 }
 
+func (p SQLiteProvider) updateLastLogin(username string) error {
+	return sqlCommonUpdateLastLogin(username, p.dbHandle)
+}
+
 func (p SQLiteProvider) getUsedQuota(username string) (int, int64, error) {
 	return sqlCommonGetUsedQuota(username, p.dbHandle)
 }

dataprovider/sqlqueries.go

@@ -4,7 +4,7 @@ import "fmt"
 
 const (
 	selectUserFields = "id,username,password,public_keys,home_dir,uid,gid,max_sessions,quota_size,quota_files,permissions," +
-		"used_quota_size,used_quota_files,last_quota_update,upload_bandwidth,download_bandwidth"
+		"used_quota_size,used_quota_files,last_quota_update,upload_bandwidth,download_bandwidth,expiration_date,last_login,status"
 )
 
 func getSQLPlaceholders() []string {
@@ -45,6 +45,10 @@ func getUpdateQuotaQuery(reset bool) string {
 		WHERE username = %v`, config.UsersTable, sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2], sqlPlaceholders[3])
 }
 
+func getUpdateLastLoginQuery() string {
+	return fmt.Sprintf(`UPDATE %v SET last_login = %v WHERE username = %v`, config.UsersTable, sqlPlaceholders[0], sqlPlaceholders[1])
+}
+
 func getQuotaQuery() string {
 	return fmt.Sprintf(`SELECT used_quota_size,used_quota_files FROM %v WHERE username = %v`, config.UsersTable,
 		sqlPlaceholders[0])
@@ -52,17 +56,18 @@ func getQuotaQuery() string {
 
 func getAddUserQuery() string {
 	return fmt.Sprintf(`INSERT INTO %v (username,password,public_keys,home_dir,uid,gid,max_sessions,quota_size,quota_files,permissions,
-		used_quota_size,used_quota_files,last_quota_update,upload_bandwidth,download_bandwidth) 
-		VALUES (%v,%v,%v,%v,%v,%v,%v,%v,%v,%v,0,0,0,%v,%v)`, config.UsersTable, sqlPlaceholders[0], sqlPlaceholders[1],
+		used_quota_size,used_quota_files,last_quota_update,upload_bandwidth,download_bandwidth,status,last_login,expiration_date)
+		VALUES (%v,%v,%v,%v,%v,%v,%v,%v,%v,%v,0,0,0,%v,%v,%v,0,%v)`, config.UsersTable, sqlPlaceholders[0], sqlPlaceholders[1],
 		sqlPlaceholders[2], sqlPlaceholders[3], sqlPlaceholders[4], sqlPlaceholders[5], sqlPlaceholders[6], sqlPlaceholders[7],
-		sqlPlaceholders[8], sqlPlaceholders[9], sqlPlaceholders[10], sqlPlaceholders[11])
+		sqlPlaceholders[8], sqlPlaceholders[9], sqlPlaceholders[10], sqlPlaceholders[11], sqlPlaceholders[12], sqlPlaceholders[13])
 }
 
 func getUpdateUserQuery() string {
 	return fmt.Sprintf(`UPDATE %v SET password=%v,public_keys=%v,home_dir=%v,uid=%v,gid=%v,max_sessions=%v,quota_size=%v,
-		quota_files=%v,permissions=%v,upload_bandwidth=%v,download_bandwidth=%v WHERE id = %v`, config.UsersTable,
+		quota_files=%v,permissions=%v,upload_bandwidth=%v,download_bandwidth=%v,status=%v,expiration_date=%v WHERE id = %v`, config.UsersTable,
 		sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2], sqlPlaceholders[3], sqlPlaceholders[4], sqlPlaceholders[5],
-		sqlPlaceholders[6], sqlPlaceholders[7], sqlPlaceholders[8], sqlPlaceholders[9], sqlPlaceholders[10], sqlPlaceholders[11])
+		sqlPlaceholders[6], sqlPlaceholders[7], sqlPlaceholders[8], sqlPlaceholders[9], sqlPlaceholders[10], sqlPlaceholders[11],
+		sqlPlaceholders[12], sqlPlaceholders[13])
 }
 
 func getDeleteUserQuery() string {

dataprovider/user.go

@@ -36,13 +36,16 @@ const (
 type User struct {
 	// Database unique identifier
 	ID int64 `json:"id"`
+	// 1 enabled, 0 disabled (login is not allowed)
+	Status int `json:"status"`
 	// Username
 	Username string `json:"username"`
+	// Account expiration date as unix timestamp in milliseconds. An expired account cannot login.
+	// 0 means no expiration
+	ExpirationDate int64 `json:"expiration_date"`
 	// Password used for password authentication.
 	// For users created using SFTPGo REST API the password is be stored using argon2id hashing algo.
-	// Checking passwords stored with bcrypt is supported too.
-	// Currently, as fallback, there is a clear text password checking but you should not store passwords
-	// as clear text and this support could be removed at any time, so please don't depend on it.
+	// Checking passwords stored with bcrypt, pbkdf2 and sha512crypt is supported too.
 	Password string `json:"password,omitempty"`
 	// PublicKeys used for public key authentication. At least one between password and a public key is mandatory
 	PublicKeys []string `json:"public_keys,omitempty"`
@@ -70,6 +73,8 @@ type User struct {
 	UploadBandwidth int64 `json:"upload_bandwidth"`
 	// Maximum download bandwidth as KB/s, 0 means unlimited
 	DownloadBandwidth int64 `json:"download_bandwidth"`
+	// Last login as unix timestamp in milliseconds
+	LastLogin int64 `json:"last_login"`
 }
 
 // HasPerm returns true if the user has the given permission or any permission
@@ -175,6 +180,10 @@ func (u *User) GetBandwidthAsString() string {
 // Number of public keys, max sessions, uid and gid are returned
 func (u *User) GetInfoString() string {
 	var result string
+	if u.LastLogin > 0 {
+		t := utils.GetTimeFromMsecSinceEpoch(u.LastLogin)
+		result += fmt.Sprintf("Last login: %v ", t.Format("2006-01-02 15:04:05")) // YYYY-MM-DD HH:MM:SS
+	}
 	if len(u.PublicKeys) > 0 {
 		result += fmt.Sprintf("Public keys: %v ", len(u.PublicKeys))
 	}
@@ -190,6 +199,15 @@ func (u *User) GetInfoString() string {
 	return result
 }
 
+// GetExpirationDateAsString returns expiration date formatted as YYYY-MM-DD
+func (u *User) GetExpirationDateAsString() string {
+	if u.ExpirationDate > 0 {
+		t := utils.GetTimeFromMsecSinceEpoch(u.ExpirationDate)
+		return t.Format("2006-01-02")
+	}
+	return ""
+}
+
 func (u *User) getACopy() User {
 	pubKeys := make([]string, len(u.PublicKeys))
 	copy(pubKeys, u.PublicKeys)
@@ -212,5 +230,8 @@ func (u *User) getACopy() User {
 		LastQuotaUpdate:   u.LastQuotaUpdate,
 		UploadBandwidth:   u.UploadBandwidth,
 		DownloadBandwidth: u.DownloadBandwidth,
+		Status:            u.Status,
+		ExpirationDate:    u.ExpirationDate,
+		LastLogin:         u.LastLogin,
 	}
 }

httpd/api_utils.go

@@ -350,5 +350,11 @@ func compareEqualsUserFields(expected dataprovider.User, actual dataprovider.Use
 	if expected.DownloadBandwidth != actual.DownloadBandwidth {
 		return errors.New("DownloadBandwidth mismatch")
 	}
+	if expected.Status != actual.Status {
+		return errors.New("Status mismatch")
+	}
+	if expected.ExpirationDate != actual.ExpirationDate {
+		return errors.New("ExpirationDate mismatch")
+	}
 	return nil
 }

httpd/httpd_test.go

@@ -108,6 +108,7 @@ func TestBasicUserHandling(t *testing.T) {
 	user.QuotaFiles = 2
 	user.UploadBandwidth = 128
 	user.DownloadBandwidth = 64
+	user.ExpirationDate = utils.GetTimeAsMsSinceEpoch(time.Now())
 	user, _, err = httpd.UpdateUser(user, http.StatusOK)
 	if err != nil {
 		t.Errorf("unable to update user: %v", err)
@@ -125,6 +126,34 @@ func TestBasicUserHandling(t *testing.T) {
 	}
 }
 
+func TestUserStatus(t *testing.T) {
+	u := getTestUser()
+	u.Status = 3
+	_, _, err := httpd.AddUser(u, http.StatusBadRequest)
+	if err != nil {
+		t.Errorf("unexpected error adding user with bad status: %v", err)
+	}
+	u.Status = 0
+	user, _, err := httpd.AddUser(u, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to add user: %v", err)
+	}
+	user.Status = 2
+	_, _, err = httpd.UpdateUser(user, http.StatusBadRequest)
+	if err != nil {
+		t.Errorf("unexpected error updating user with bad status: %v", err)
+	}
+	user.Status = 1
+	user, _, err = httpd.UpdateUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to update user: %v", err)
+	}
+	_, err = httpd.RemoveUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to remove: %v", err)
+	}
+}
+
 func TestAddUserNoCredentials(t *testing.T) {
 	u := getTestUser()
 	u.Password = ""
@@ -875,6 +904,8 @@ func TestWebUserAddMock(t *testing.T) {
 	form.Set("username", user.Username)
 	form.Set("home_dir", user.HomeDir)
 	form.Set("password", user.Password)
+	form.Set("status", strconv.Itoa(user.Status))
+	form.Set("expiration_date", "")
 	form.Set("permissions", "*")
 	// test invalid url escape
 	req, _ := http.NewRequest(http.MethodPost, webUserPath+"?a=%2", strings.NewReader(form.Encode()))
@@ -925,6 +956,20 @@ func TestWebUserAddMock(t *testing.T) {
 	rr = executeRequest(req)
 	checkResponseCode(t, http.StatusOK, rr.Code)
 	form.Set("download_bandwidth", strconv.FormatInt(user.DownloadBandwidth, 10))
+	form.Set("status", "a")
+	// test invalid status
+	req, _ = http.NewRequest(http.MethodPost, webUserPath, strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	rr = executeRequest(req)
+	checkResponseCode(t, http.StatusOK, rr.Code)
+	form.Set("status", strconv.Itoa(user.Status))
+	form.Set("expiration_date", "123")
+	// test invalid expiration date
+	req, _ = http.NewRequest(http.MethodPost, webUserPath, strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	rr = executeRequest(req)
+	checkResponseCode(t, http.StatusOK, rr.Code)
+	form.Set("expiration_date", "")
 	req, _ = http.NewRequest(http.MethodPost, webUserPath, strings.NewReader(form.Encode()))
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
 	rr = executeRequest(req)
@@ -988,6 +1033,8 @@ func TestWebUserUpdateMock(t *testing.T) {
 	form.Set("upload_bandwidth", "0")
 	form.Set("download_bandwidth", "0")
 	form.Set("permissions", "*")
+	form.Set("status", strconv.Itoa(user.Status))
+	form.Set("expiration_date", "2020-01-01 00:00:00")
 	req, _ = http.NewRequest(http.MethodPost, webUserPath+"/"+strconv.FormatInt(user.ID, 10), strings.NewReader(form.Encode()))
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
 	rr = executeRequest(req)
@@ -1083,6 +1130,7 @@ func getTestUser() dataprovider.User {
 		Password:    defaultPassword,
 		HomeDir:     filepath.Join(homeBasePath, defaultUsername),
 		Permissions: defaultPerms,
+		Status:      1,
 	}
 }
 

httpd/internal_test.go

@@ -144,6 +144,18 @@ func TestCompareUserFields(t *testing.T) {
 	if err == nil {
 		t.Errorf("DownloadBandwidth does not match")
 	}
+	expected.DownloadBandwidth = 0
+	expected.Status = 1
+	err = compareEqualsUserFields(expected, actual)
+	if err == nil {
+		t.Errorf("Status does not match")
+	}
+	expected.Status = 0
+	expected.ExpirationDate = 123
+	err = compareEqualsUserFields(expected, actual)
+	if err == nil {
+		t.Errorf("Expiration date does not match")
+	}
 }
 
 func TestApiCallsWithBadURL(t *testing.T) {

httpd/schema/openapi.yaml

@@ -2,7 +2,7 @@ openapi: 3.0.1
 info:
   title: SFTPGo
   description: 'SFTPGo REST API'
-  version: 1.0.0
+  version: 1.1.0
 
 servers:
 - url: /api/v1
@@ -534,8 +534,21 @@ components:
           type: integer
           format: int32
           minimum: 1
+        status:
+          type: integer
+          enum:
+            - 0
+            - 1
+          description: >
+            status:
+              * `0` user is disabled, login is not allowed
+              * `1` user is enabled
         username:
           type: string
+        expiration_date:
+          type: integer
+          format: int64
+          description: expiration date as unix timestamp in milliseconds. An expired account cannot login. 0 means no expiration
         password:
           type: string
           nullable: true
@@ -596,6 +609,10 @@ components:
           type: integer
           format: int32
           description: Maximum download bandwidth as KB/s, 0 means unlimited
+        last_login:
+          type: integer
+          format: int64
+          description: last user login as unix timestamp in milliseconds
     Transfer:
       type: object
       properties:
@@ -688,4 +705,3 @@ components:
           type: string
         commit_hash:
           type: string
-        

httpd/web.go

@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/drakkan/sftpgo/dataprovider"
 	"github.com/drakkan/sftpgo/sftpd"
@@ -27,6 +28,7 @@ const (
 	page500Title           = "Internal Server Error"
 	page500Body            = "The server is unable to fulfill your request."
 	defaultUsersQueryLimit = 500
+	webDateTimeFormat      = "2006-01-02 15:04:05" // YYYY-MM-DD HH:MM:SS
 )
 
 var (
@@ -216,6 +218,19 @@ func getUserFromPostFields(r *http.Request) (dataprovider.User, error) {
 	if err != nil {
 		return user, err
 	}
+	status, err := strconv.Atoi(r.Form.Get("status"))
+	if err != nil {
+		return user, err
+	}
+	expirationDateMillis := int64(0)
+	expirationDateString := r.Form.Get("expiration_date")
+	if len(strings.TrimSpace(expirationDateString)) > 0 {
+		expirationDate, err := time.Parse(webDateTimeFormat, expirationDateString)
+		if err != nil {
+			return user, err
+		}
+		expirationDateMillis = utils.GetTimeAsMsSinceEpoch(expirationDate)
+	}
 	user = dataprovider.User{
 		Username:          r.Form.Get("username"),
 		Password:          r.Form.Get("password"),
@@ -229,6 +244,8 @@ func getUserFromPostFields(r *http.Request) (dataprovider.User, error) {
 		QuotaFiles:        quotaFiles,
 		UploadBandwidth:   bandwidthUL,
 		DownloadBandwidth: bandwidthDL,
+		Status:            status,
+		ExpirationDate:    expirationDateMillis,
 	}
 	return user, err
 }
@@ -265,7 +282,7 @@ func handleGetWebUsers(w http.ResponseWriter, r *http.Request) {
 }
 
 func handleWebAddUserGet(w http.ResponseWriter, r *http.Request) {
-	renderAddUserPage(w, dataprovider.User{}, "")
+	renderAddUserPage(w, dataprovider.User{Status: 1}, "")
 }
 
 func handleWebUpdateUserGet(userID string, w http.ResponseWriter, r *http.Request) {

scripts/README.md

@@ -41,7 +41,7 @@ Let's see a sample usage for each REST API.
 Command:
 
 ```
-python sftpgo_api_cli.py add-user test_username --password "test_pwd" --home-dir="/tmp/test_home_dir" --uid 33 --gid 1000 --max-sessions 2 --quota-size 0 --quota-files 3 --permissions "list" "download" "upload" "delete" "rename" "create_dirs" "overwrite" --upload-bandwidth 100 --download-bandwidth 60
+python sftpgo_api_cli.py add-user test_username --password "test_pwd" --home-dir="/tmp/test_home_dir" --uid 33 --gid 1000 --max-sessions 2 --quota-size 0 --quota-files 3 --permissions "list" "download" "upload" "delete" "rename" "create_dirs" "overwrite" --upload-bandwidth 100 --download-bandwidth 60 --status 0 --expiration-date 2019-01-01
 ```
 
 Output:
@@ -68,6 +68,9 @@ Output:
   "used_quota_size": 0,
   "used_quota_files": 0,
   "last_quota_update": 0,
+  "last_login": 0,
+  "expiration_date": 1546297200000,
+  "status": 0,
   "upload_bandwidth": 100,
   "download_bandwidth": 60
 }
@@ -78,7 +81,7 @@ Output:
 Command:
 
 ```
-python sftpgo_api_cli.py update-user 5140 test_username --password "test_pwd" --home-dir="/tmp/test_home_dir" --uid 0 --gid 33 --max-sessions 3 --quota-size 0 --quota-files 4 --permissions "*" --upload-bandwidth 90 --download-bandwidth 80
+python sftpgo_api_cli.py update-user 5140 test_username --password "test_pwd" --home-dir="/tmp/test_home_dir" --uid 0 --gid 33 --max-sessions 3 --quota-size 0 --quota-files 4 --permissions "*" --upload-bandwidth 90 --download-bandwidth 80 --status 1 --expiration-date ""
 ```
 
 Output:
@@ -117,6 +120,9 @@ Output:
   "used_quota_size": 0,
   "used_quota_files": 0,
   "last_quota_update": 0,
+  "last_login": 0,
+  "expiration_date": 0,
+  "status": 1,
   "upload_bandwidth": 90,
   "download_bandwidth": 80
 }
@@ -149,6 +155,9 @@ Output:
     "used_quota_size": 0,
     "used_quota_files": 0,
     "last_quota_update": 0,
+    "last_login": 0,
+    "expiration_date": 0,
+    "status": 1,
     "upload_bandwidth": 90,
     "download_bandwidth": 80
   }

scripts/sftpgo_api_cli.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 import argparse
+from datetime import datetime
 import json
 
 import requests
@@ -59,10 +60,11 @@ class SFTPGoApiRequests:
 
 	def buildUserObject(self, user_id=0, username="", password="", public_keys="", home_dir="", uid=0,
 					gid=0, max_sessions=0, quota_size=0, quota_files=0, permissions=[], upload_bandwidth=0,
-					download_bandwidth=0):
+					download_bandwidth=0, status=1, expiration_date=0):
 		user = {"id":user_id, "username":username, "uid":uid, "gid":gid,
 			"max_sessions":max_sessions, "quota_size":quota_size, "quota_files":quota_files,
-			"upload_bandwidth":upload_bandwidth, "download_bandwidth":download_bandwidth}
+			"upload_bandwidth":upload_bandwidth, "download_bandwidth":download_bandwidth,
+			"status":status, "expiration_date":expiration_date}
 		if password:
 			user.update({"password":password})
 		if public_keys:
@@ -83,17 +85,18 @@ class SFTPGoApiRequests:
 		self.printResponse(r)
 
 	def addUser(self, username="", password="", public_keys="", home_dir="", uid=0, gid=0, max_sessions=0,
-		quota_size=0, quota_files=0, permissions=[], upload_bandwidth=0, download_bandwidth=0):
+		quota_size=0, quota_files=0, permissions=[], upload_bandwidth=0, download_bandwidth=0, status=1,
+		expiration_date=0):
 		u = self.buildUserObject(0, username, password, public_keys, home_dir, uid, gid, max_sessions,
-			quota_size, quota_files, permissions, upload_bandwidth, download_bandwidth)
+			quota_size, quota_files, permissions, upload_bandwidth, download_bandwidth, status, expiration_date)
 		r = requests.post(self.userPath, json=u, auth=self.auth, verify=self.verify)
 		self.printResponse(r)
 
 	def updateUser(self, user_id, username="", password="", public_keys="", home_dir="", uid=0, gid=0,
 				max_sessions=0, quota_size=0, quota_files=0, permissions=[], upload_bandwidth=0,
-				download_bandwidth=0):
+				download_bandwidth=0, status=1, expiration_date=0):
 		u = self.buildUserObject(user_id, username, password, public_keys, home_dir, uid, gid, max_sessions,
-			quota_size, quota_files, permissions, upload_bandwidth, download_bandwidth)
+			quota_size, quota_files, permissions, upload_bandwidth, download_bandwidth, status, expiration_date)
 		r = requests.put(urlparse.urljoin(self.userPath, "user/" + str(user_id)), json=u, auth=self.auth, verify=self.verify)
 		self.printResponse(r)
 
@@ -123,6 +126,21 @@ class SFTPGoApiRequests:
 		self.printResponse(r)
 
 
+def validDate(s):
+	if not s:
+		return datetime.fromtimestamp(0)
+	try:
+		return datetime.strptime(s, "%Y-%m-%d")
+	except ValueError:
+		msg = "Not a valid date: '{0}'.".format(s)
+		raise argparse.ArgumentTypeError(msg)
+
+
+def getDatetimeAsMillisSinceEpoch(dt):
+	epoch = datetime.fromtimestamp(0)
+	return int((dt - epoch).total_seconds() * 1000)
+
+
 def addCommonUserArguments(parser):
 	parser.add_argument('username', type=str)
 	parser.add_argument('-P', '--password', type=str, default="", help='Default: %(default)s')
@@ -142,6 +160,10 @@ def addCommonUserArguments(parser):
 					help='Maximum upload bandwidth as KB/s, 0 means unlimited. Default: %(default)s')
 	parser.add_argument('-D', '--download-bandwidth', type=int, default=0,
 					help='Maximum download bandwidth as KB/s, 0 means unlimited. Default: %(default)s')
+	parser.add_argument('--status', type=int, choices=[0, 1], default=1,
+							help='User\'s status. 1 enabled, 0 disabled. Default: %(default)s')
+	parser.add_argument('-E', '--expiration-date', type=validDate, default="",
+					help='Expiration date as YYYY-MM-DD, empty string means no expiration. Default: %(default)s')
 
 
 if __name__ == '__main__':
@@ -206,13 +228,13 @@ if __name__ == '__main__':
 						 args.no_color)
 
 	if args.command == 'add-user':
-		api.addUser(args.username, args.password, args.public_keys, args.home_dir,
-					args.uid, args.gid, args.max_sessions, args.quota_size, args.quota_files,
-					args.permissions, args.upload_bandwidth, args.download_bandwidth)
+		api.addUser(args.username, args.password, args.public_keys, args.home_dir, args.uid, args.gid, args.max_sessions,
+				args.quota_size, args.quota_files, args.permissions, args.upload_bandwidth, args.download_bandwidth,
+				args.status, getDatetimeAsMillisSinceEpoch(args.expiration_date))
 	elif args.command == 'update-user':
-		api.updateUser(args.id, args.username, args.password, args.public_keys, args.home_dir,
-					args.uid, args.gid, args.max_sessions, args.quota_size, args.quota_files,
-					args.permissions, args.upload_bandwidth, args.download_bandwidth)
+		api.updateUser(args.id, args.username, args.password, args.public_keys, args.home_dir, args.uid, args.gid,
+					args.max_sessions, args.quota_size, args.quota_files, args.permissions, args.upload_bandwidth,
+					args.download_bandwidth, args.status, getDatetimeAsMillisSinceEpoch(args.expiration_date))
 	elif args.command == 'delete-user':
 		api.deleteUser(args.id)
 	elif args.command == 'get-users':

sftpd/server.go

@@ -260,6 +260,7 @@ func (c Configuration) AcceptInboundConnection(conn net.Conn, config *ssh.Server
 	}
 	connection.Log(logger.LevelInfo, logSender, "User id: %d, logged in with: %#v, username: %#v, home_dir: %#v remote addr: %#v",
 		user.ID, loginType, user.Username, user.HomeDir, remoteAddr.String())
+	dataprovider.UpdateLastLogin(dataProvider, user)
 
 	go ssh.DiscardRequests(reqs)
 

sftpd/sftpd_test.go

@@ -28,6 +28,7 @@ import (
 	"github.com/drakkan/sftpgo/httpd"
 	"github.com/drakkan/sftpgo/logger"
 	"github.com/drakkan/sftpgo/sftpd"
+	"github.com/drakkan/sftpgo/utils"
 	"github.com/pkg/sftp"
 	"github.com/rs/zerolog"
 )
@@ -687,6 +688,13 @@ func TestLogin(t *testing.T) {
 		if err != nil {
 			t.Errorf("sftp client with valid password must work")
 		}
+		user, _, err = httpd.GetUserByID(user.ID, http.StatusOK)
+		if err != nil {
+			t.Errorf("error getting user: %v", err)
+		}
+		if user.LastLogin <= 0 {
+			t.Errorf("last login must be updated after a successful login: %v", user.LastLogin)
+		}
 	}
 	client, err = getSftpClient(user, true)
 	if err != nil {
@@ -740,6 +748,97 @@ func TestLogin(t *testing.T) {
 	os.RemoveAll(user.GetHomeDir())
 }
 
+func TestLoginUserStatus(t *testing.T) {
+	usePubKey := true
+	user, _, err := httpd.AddUser(getTestUser(usePubKey), http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to add user: %v", err)
+	}
+	client, err := getSftpClient(user, usePubKey)
+	if err != nil {
+		t.Errorf("unable to create sftp client: %v", err)
+	} else {
+		defer client.Close()
+		_, err := client.Getwd()
+		if err != nil {
+			t.Errorf("sftp client with valid credentials must work")
+		}
+		user, _, err = httpd.GetUserByID(user.ID, http.StatusOK)
+		if err != nil {
+			t.Errorf("error getting user: %v", err)
+		}
+		if user.LastLogin <= 0 {
+			t.Errorf("last login must be updated after a successful login: %v", user.LastLogin)
+		}
+	}
+	user.Status = 0
+	user, _, err = httpd.UpdateUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to update user: %v", err)
+	}
+	client, err = getSftpClient(user, usePubKey)
+	if err == nil {
+		t.Errorf("login for a disabled user must fail")
+		defer client.Close()
+	}
+	_, err = httpd.RemoveUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to remove user: %v", err)
+	}
+	os.RemoveAll(user.GetHomeDir())
+}
+
+func TestLoginUserExpiration(t *testing.T) {
+	usePubKey := true
+	user, _, err := httpd.AddUser(getTestUser(usePubKey), http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to add user: %v", err)
+	}
+	client, err := getSftpClient(user, usePubKey)
+	if err != nil {
+		t.Errorf("unable to create sftp client: %v", err)
+	} else {
+		defer client.Close()
+		_, err := client.Getwd()
+		if err != nil {
+			t.Errorf("sftp client with valid credentials must work")
+		}
+		user, _, err = httpd.GetUserByID(user.ID, http.StatusOK)
+		if err != nil {
+			t.Errorf("error getting user: %v", err)
+		}
+		if user.LastLogin <= 0 {
+			t.Errorf("last login must be updated after a successful login: %v", user.LastLogin)
+		}
+	}
+	user.ExpirationDate = utils.GetTimeAsMsSinceEpoch(time.Now()) - 120000
+	user, _, err = httpd.UpdateUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to update user: %v", err)
+	}
+	client, err = getSftpClient(user, usePubKey)
+	if err == nil {
+		t.Errorf("login for an expired user must fail")
+		defer client.Close()
+	}
+	user.ExpirationDate = utils.GetTimeAsMsSinceEpoch(time.Now()) + 120000
+	_, _, err = httpd.UpdateUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to update user: %v", err)
+	}
+	client, err = getSftpClient(user, usePubKey)
+	if err != nil {
+		t.Errorf("login for a non expired user must succeed: %v", err)
+	} else {
+		defer client.Close()
+	}
+	_, err = httpd.RemoveUser(user, http.StatusOK)
+	if err != nil {
+		t.Errorf("unable to remove user: %v", err)
+	}
+	os.RemoveAll(user.GetHomeDir())
+}
+
 func TestLoginAfterUserUpdateEmptyPwd(t *testing.T) {
 	usePubKey := false
 	user, _, err := httpd.AddUser(getTestUser(usePubKey), http.StatusOK)
@@ -2334,6 +2433,8 @@ func getTestUser(usePubKey bool) dataprovider.User {
 		Password:       defaultPassword,
 		HomeDir:        filepath.Join(homeBasePath, defaultUsername),
 		Permissions:    allPerms,
+		Status:         1,
+		ExpirationDate: 0,
 	}
 	if usePubKey {
 		user.PublicKeys = []string{testPubKey}

sql/mysql/20191112.sql

@@ -0,0 +1,17 @@
+BEGIN;
+--
+-- Add field expiration_date to user
+--
+ALTER TABLE `users` ADD COLUMN `expiration_date` bigint DEFAULT 0 NOT NULL;
+ALTER TABLE `users` ALTER COLUMN `expiration_date` DROP DEFAULT;
+--
+-- Add field last_login to user
+--
+ALTER TABLE `users` ADD COLUMN `last_login` bigint DEFAULT 0 NOT NULL;
+ALTER TABLE `users` ALTER COLUMN `last_login` DROP DEFAULT;
+--
+-- Add field status to user
+--
+ALTER TABLE `users` ADD COLUMN `status` integer DEFAULT 1 NOT NULL;
+ALTER TABLE `users` ALTER COLUMN `status` DROP DEFAULT;
+COMMIT;

sql/pgsql/20191112.sql

@@ -0,0 +1,17 @@
+BEGIN;
+--
+-- Add field expiration_date to user
+--
+ALTER TABLE "users" ADD COLUMN "expiration_date" bigint DEFAULT 0 NOT NULL;
+ALTER TABLE "users" ALTER COLUMN "expiration_date" DROP DEFAULT;
+--
+-- Add field last_login to user
+--
+ALTER TABLE "users" ADD COLUMN "last_login" bigint DEFAULT 0 NOT NULL;
+ALTER TABLE "users" ALTER COLUMN "last_login" DROP DEFAULT;
+--
+-- Add field status to user
+--
+ALTER TABLE "users" ADD COLUMN "status" integer DEFAULT 1 NOT NULL;
+ALTER TABLE "users" ALTER COLUMN "status" DROP DEFAULT;
+COMMIT;

sql/sqlite/20191112.sql

@@ -0,0 +1,23 @@
+BEGIN;
+--
+-- Add field expiration_date to user
+--
+CREATE TABLE "new__users" ("id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, "expiration_date" bigint NOT NULL, "username" varchar(255) NOT NULL UNIQUE, "password" varchar(255) NULL, "public_keys" text NULL, "home_dir" varchar(255) NOT NULL, "uid" integer NOT NULL, "gid" integer NOT NULL, "max_sessions" integer NOT NULL, "quota_size" bigint NOT NULL, "quota_files" integer NOT NULL, "permissions" text NOT NULL, "used_quota_size" bigint NOT NULL, "used_quota_files" integer NOT NULL, "last_quota_update" bigint NOT NULL, "upload_bandwidth" integer NOT NULL, "download_bandwidth" integer NOT NULL);
+INSERT INTO "new__users" ("id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", "expiration_date") SELECT "id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", 0 FROM "users";
+DROP TABLE "users";
+ALTER TABLE "new__users" RENAME TO "users";
+--
+-- Add field last_login to user
+--
+CREATE TABLE "new__users" ("id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, "username" varchar(255) NOT NULL UNIQUE, "password" varchar(255) NULL, "public_keys" text NULL, "home_dir" varchar(255) NOT NULL, "uid" integer NOT NULL, "gid" integer NOT NULL, "max_sessions" integer NOT NULL, "quota_size" bigint NOT NULL, "quota_files" integer NOT NULL, "permissions" text NOT NULL, "used_quota_size" bigint NOT NULL, "used_quota_files" integer NOT NULL, "last_quota_update" bigint NOT NULL, "upload_bandwidth" integer NOT NULL, "download_bandwidth" integer NOT NULL, "expiration_date" bigint NOT NULL, "last_login" bigint NOT NULL);
+INSERT INTO "new__users" ("id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", "expiration_date", "last_login") SELECT "id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", "expiration_date", 0 FROM "users";
+DROP TABLE "users";
+ALTER TABLE "new__users" RENAME TO "users";
+--
+-- Add field status to user
+--
+CREATE TABLE "new__users" ("id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, "username" varchar(255) NOT NULL UNIQUE, "password" varchar(255) NULL, "public_keys" text NULL, "home_dir" varchar(255) NOT NULL, "uid" integer NOT NULL, "gid" integer NOT NULL, "max_sessions" integer NOT NULL, "quota_size" bigint NOT NULL, "quota_files" integer NOT NULL, "permissions" text NOT NULL, "used_quota_size" bigint NOT NULL, "used_quota_files" integer NOT NULL, "last_quota_update" bigint NOT NULL, "upload_bandwidth" integer NOT NULL, "download_bandwidth" integer NOT NULL, "expiration_date" bigint NOT NULL, "last_login" bigint NOT NULL, "status" integer NOT NULL);
+INSERT INTO "new__users" ("id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", "expiration_date", "last_login", "status") SELECT "id", "username", "password", "public_keys", "home_dir", "uid", "gid", "max_sessions", "quota_size", "quota_files", "permissions", "used_quota_size", "used_quota_files", "last_quota_update", "upload_bandwidth", "download_bandwidth", "expiration_date", "last_login", 1 FROM "users";
+DROP TABLE "users";
+ALTER TABLE "new__users" RENAME TO "users";
+COMMIT;

static/vendor/fontawesome-free/svgs/solid/calendar.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z"/></svg>

static/vendor/fonts/LICENSE.txt

@@ -0,0 +1,202 @@
+
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+
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static/vendor/fonts/README.txt

@@ -0,0 +1,2 @@
+Roboto webfont source: https://code.google.com/p/roboto-webfont/
+Weights used in this project: Light (300), Regular (400), Bold (700)

static/vendor/tempusdominus/css/tempusdominus-bootstrap-4.min.css

@@ -0,0 +1,206 @@
+/*@preserve
+ * Tempus Dominus Bootstrap4 v5.1.2 (https://tempusdominus.github.io/bootstrap-4/)
+ * Copyright 2016-2018 Jonathan Peterson
+ * Licensed under MIT (https://github.com/tempusdominus/bootstrap-3/blob/master/LICENSE)
+ */
+
+.sr-only, .bootstrap-datetimepicker-widget .btn[data-action="incrementHours"]::after, .bootstrap-datetimepicker-widget .btn[data-action="incrementMinutes"]::after, .bootstrap-datetimepicker-widget .btn[data-action="decrementHours"]::after, .bootstrap-datetimepicker-widget .btn[data-action="decrementMinutes"]::after, .bootstrap-datetimepicker-widget .btn[data-action="showHours"]::after, .bootstrap-datetimepicker-widget .btn[data-action="showMinutes"]::after, .bootstrap-datetimepicker-widget .btn[data-action="togglePeriod"]::after, .bootstrap-datetimepicker-widget .btn[data-action="clear"]::after, .bootstrap-datetimepicker-widget .btn[data-action="today"]::after, .bootstrap-datetimepicker-widget .picker-switch::after, .bootstrap-datetimepicker-widget table th.prev::after, .bootstrap-datetimepicker-widget table th.next::after {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  margin: -1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  border: 0; }
+
+.bootstrap-datetimepicker-widget {
+  list-style: none; }
+  .bootstrap-datetimepicker-widget.dropdown-menu {
+    display: block;
+    margin: 2px 0;
+    padding: 4px;
+    width: 14rem; }
+    @media (min-width: 576px) {
+      .bootstrap-datetimepicker-widget.dropdown-menu.timepicker-sbs {
+        width: 38em; } }
+    @media (min-width: 768px) {
+      .bootstrap-datetimepicker-widget.dropdown-menu.timepicker-sbs {
+        width: 38em; } }
+    @media (min-width: 992px) {
+      .bootstrap-datetimepicker-widget.dropdown-menu.timepicker-sbs {
+        width: 38em; } }
+    .bootstrap-datetimepicker-widget.dropdown-menu:before, .bootstrap-datetimepicker-widget.dropdown-menu:after {
+      content: '';
+      display: inline-block;
+      position: absolute; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.bottom:before {
+      border-left: 7px solid transparent;
+      border-right: 7px solid transparent;
+      border-bottom: 7px solid #ccc;
+      border-bottom-color: rgba(0, 0, 0, 0.2);
+      top: -7px;
+      left: 7px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.bottom:after {
+      border-left: 6px solid transparent;
+      border-right: 6px solid transparent;
+      border-bottom: 6px solid white;
+      top: -6px;
+      left: 8px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.top:before {
+      border-left: 7px solid transparent;
+      border-right: 7px solid transparent;
+      border-top: 7px solid #ccc;
+      border-top-color: rgba(0, 0, 0, 0.2);
+      bottom: -7px;
+      left: 6px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.top:after {
+      border-left: 6px solid transparent;
+      border-right: 6px solid transparent;
+      border-top: 6px solid white;
+      bottom: -6px;
+      left: 7px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.float-right:before {
+      left: auto;
+      right: 6px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.float-right:after {
+      left: auto;
+      right: 7px; }
+    .bootstrap-datetimepicker-widget.dropdown-menu.wider {
+      width: 16rem; }
+  .bootstrap-datetimepicker-widget .list-unstyled {
+    margin: 0; }
+  .bootstrap-datetimepicker-widget a[data-action] {
+    padding: 6px 0; }
+  .bootstrap-datetimepicker-widget a[data-action]:active {
+    box-shadow: none; }
+  .bootstrap-datetimepicker-widget .timepicker-hour, .bootstrap-datetimepicker-widget .timepicker-minute, .bootstrap-datetimepicker-widget .timepicker-second {
+    width: 54px;
+    font-weight: bold;
+    font-size: 1.2em;
+    margin: 0; }
+  .bootstrap-datetimepicker-widget button[data-action] {
+    padding: 6px; }
+  .bootstrap-datetimepicker-widget .btn[data-action="incrementHours"]::after {
+    content: "Increment Hours"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="incrementMinutes"]::after {
+    content: "Increment Minutes"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="decrementHours"]::after {
+    content: "Decrement Hours"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="decrementMinutes"]::after {
+    content: "Decrement Minutes"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="showHours"]::after {
+    content: "Show Hours"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="showMinutes"]::after {
+    content: "Show Minutes"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="togglePeriod"]::after {
+    content: "Toggle AM/PM"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="clear"]::after {
+    content: "Clear the picker"; }
+  .bootstrap-datetimepicker-widget .btn[data-action="today"]::after {
+    content: "Set the date to today"; }
+  .bootstrap-datetimepicker-widget .picker-switch {
+    text-align: center; }
+    .bootstrap-datetimepicker-widget .picker-switch::after {
+      content: "Toggle Date and Time Screens"; }
+    .bootstrap-datetimepicker-widget .picker-switch td {
+      padding: 0;
+      margin: 0;
+      height: auto;
+      width: auto;
+      line-height: inherit; }
+      .bootstrap-datetimepicker-widget .picker-switch td span {
+        line-height: 2.5;
+        height: 2.5em;
+        width: 100%; }
+  .bootstrap-datetimepicker-widget table {
+    width: 100%;
+    margin: 0; }
+    .bootstrap-datetimepicker-widget table td,
+    .bootstrap-datetimepicker-widget table th {
+      text-align: center;
+      border-radius: 0.25rem; }
+    .bootstrap-datetimepicker-widget table th {
+      height: 20px;
+      line-height: 20px;
+      width: 20px; }
+      .bootstrap-datetimepicker-widget table th.picker-switch {
+        width: 145px; }
+      .bootstrap-datetimepicker-widget table th.disabled, .bootstrap-datetimepicker-widget table th.disabled:hover {
+        background: none;
+        color: #6c757d;
+        cursor: not-allowed; }
+      .bootstrap-datetimepicker-widget table th.prev::after {
+        content: "Previous Month"; }
+      .bootstrap-datetimepicker-widget table th.next::after {
+        content: "Next Month"; }
+    .bootstrap-datetimepicker-widget table thead tr:first-child th {
+      cursor: pointer; }
+      .bootstrap-datetimepicker-widget table thead tr:first-child th:hover {
+        background: #e9ecef; }
+    .bootstrap-datetimepicker-widget table td {
+      height: 54px;
+      line-height: 54px;
+      width: 54px; }
+      .bootstrap-datetimepicker-widget table td.cw {
+        font-size: .8em;
+        height: 20px;
+        line-height: 20px;
+        color: #6c757d; }
+      .bootstrap-datetimepicker-widget table td.day {
+        height: 20px;
+        line-height: 20px;
+        width: 20px; }
+      .bootstrap-datetimepicker-widget table td.day:hover, .bootstrap-datetimepicker-widget table td.hour:hover, .bootstrap-datetimepicker-widget table td.minute:hover, .bootstrap-datetimepicker-widget table td.second:hover {
+        background: #e9ecef;
+        cursor: pointer; }
+      .bootstrap-datetimepicker-widget table td.old, .bootstrap-datetimepicker-widget table td.new {
+        color: #6c757d; }
+      .bootstrap-datetimepicker-widget table td.today {
+        position: relative; }
+        .bootstrap-datetimepicker-widget table td.today:before {
+          content: '';
+          display: inline-block;
+          border: solid transparent;
+          border-width: 0 0 7px 7px;
+          border-bottom-color: #007bff;
+          border-top-color: rgba(0, 0, 0, 0.2);
+          position: absolute;
+          bottom: 4px;
+          right: 4px; }
+      .bootstrap-datetimepicker-widget table td.active, .bootstrap-datetimepicker-widget table td.active:hover {
+        background-color: #007bff;
+        color: #fff;
+        text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25); }
+      .bootstrap-datetimepicker-widget table td.active.today:before {
+        border-bottom-color: #fff; }
+      .bootstrap-datetimepicker-widget table td.disabled, .bootstrap-datetimepicker-widget table td.disabled:hover {
+        background: none;
+        color: #6c757d;
+        cursor: not-allowed; }
+      .bootstrap-datetimepicker-widget table td span {
+        display: inline-block;
+        width: 54px;
+        height: 54px;
+        line-height: 54px;
+        margin: 2px 1.5px;
+        cursor: pointer;
+        border-radius: 0.25rem; }
+        .bootstrap-datetimepicker-widget table td span:hover {
+          background: #e9ecef; }
+        .bootstrap-datetimepicker-widget table td span.active {
+          background-color: #007bff;
+          color: #fff;
+          text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25); }
+        .bootstrap-datetimepicker-widget table td span.old {
+          color: #6c757d; }
+        .bootstrap-datetimepicker-widget table td span.disabled, .bootstrap-datetimepicker-widget table td span.disabled:hover {
+          background: none;
+          color: #6c757d;
+          cursor: not-allowed; }
+  .bootstrap-datetimepicker-widget.usetwentyfour td.hour {
+    height: 27px;
+    line-height: 27px; }
+
+.input-group [data-toggle="datetimepicker"] {
+  cursor: pointer; }

templates/user.html

@@ -2,6 +2,10 @@
 
 {{define "title"}}{{.Title}}{{end}}
 
+{{define "extra_css"}}
+<link href="/static/vendor/tempusdominus/css/tempusdominus-bootstrap-4.min.css" rel="stylesheet">
+{{end}}
+
 {{define "page_body"}}
 
 <!-- Page Heading -->
@@ -11,7 +15,7 @@
     <div class="card-body text-form-error">{{.Error}}</div>
 </div>
 {{end}}
-<form action="{{.CurrentURL}}" method="POST" autocomplete="off">
+<form id="user_form" action="{{.CurrentURL}}" method="POST" autocomplete="off">
     <div class="form-group row">
         <label for="idUsername" class="col-sm-2 col-form-label">Username</label>
         <div class="col-sm-10">
@@ -21,6 +25,27 @@
         </div>
     </div>
 
+    <div class="form-group row">
+        <label for="idStatus" class="col-sm-2 col-form-label">Status</label>
+        <div class="col-sm-10">
+            <select class="form-control" id="idStatus" name="status">
+                <option value="1" {{if eq .User.Status 1 }}selected{{end}}>Active</option>
+                <option value="0" {{if eq .User.Status 0 }}selected{{end}}>Inactive</option>
+            </select>
+        </div>
+    </div>
+
+    <div class="form-group row">
+        <label for="idExpirationDate" class="col-sm-2 col-form-label">Expiration Date</label>
+        <div class="col-sm-10 input-group date" id="expirationDatePicker" data-target-input="nearest">
+            <input type="text" class="form-control datetimepicker-input" id="idExpirationDate"
+                data-target="#expirationDatePicker">
+            <div class="input-group-append" data-target="#expirationDatePicker" data-toggle="datetimepicker">
+                <div class="input-group-text"><i class="fas fa-calendar"></i></div>
+            </div>
+        </div>
+    </div>
+
     <div class="form-group row">
         <label for="idPassword" class="col-sm-2 col-form-label">Password</label>
         <div class="col-sm-10">
@@ -129,7 +154,47 @@
         </div>
     </div>
 
+    <input type="hidden" name="expiration_date" id="hidden_start_datetime" value="">
     <button type="submit" class="btn btn-primary float-right mt-3 mb-5 px-5 px-3">Submit</button>
 </form>
-
+{{end}}
+
+{{define "extra_js"}}
+<script src="/static/vendor/moment/js/moment.min.js"></script>
+<script src="/static/vendor/tempusdominus/js/tempusdominus-bootstrap-4.min.js"></script>
+<script type="text/javascript">
+    $(document).ready(function () {
+
+        $('#expirationDatePicker').datetimepicker({
+            format: 'YYYY-MM-DD',
+            buttons: {
+                showClear: false,
+                showClose: true,
+                showToday: false
+            }
+        });
+
+        {{ if gt .User.ExpirationDate 0 }}
+        var input_dt = moment({{.User.ExpirationDate }}).format('YYYY-MM-DD');
+        $('#idExpirationDate').val(input_dt);
+        $('#expirationDatePicker').datetimepicker('viewDate', input_dt);
+        {{end}}
+
+        $("#user_form").submit(function( event ) {
+            var dt = $('#idExpirationDate').val();
+            if (dt){
+                var d = $('#expirationDatePicker').datetimepicker('viewDate');
+                if (d){
+                    var dateString = moment(d).format('YYYY-MM-DD HH:mm:ss');
+                    $('#hidden_start_datetime').val(dateString);
+                } else {
+                    $('#hidden_start_datetime').val("");
+                }
+            } else {
+                $('#hidden_start_datetime').val("");
+            }
+            return true;
+        });
+    });
+</script>
 {{end}}

templates/users.html

@@ -29,6 +29,8 @@
                     <tr>
                         <th>ID</th>
                         <th>Username</th>
+                        <th>Status</th>
+                        <th>Expiration</th>
                         <th>Permissions</th>
                         <th>Bandwidth</th>
                         <th>Quota</th>
@@ -40,6 +42,8 @@
                     <tr>
                         <td>{{.ID}}</td>
                         <td>{{.Username}}</td>
+                        <td>{{if eq .Status 1 }}Active{{else}}Inactive{{end}}</td>
+                        <td>{{.GetExpirationDateAsString}}</td>
                         <td>{{.GetPermissionsAsString}}</td>
                         <td>{{.GetBandwidthAsString}}</td>
                         <td>{{.GetQuotaSummary}}</td>