3819 lines
131 KiB
Go
3819 lines
131 KiB
Go
// Copyright (C) 2019-2022 Nicola Murino
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// Package dataprovider provides data access.
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// It abstracts different data providers and exposes a common API.
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package dataprovider
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import (
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"bufio"
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"bytes"
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"context"
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"crypto/md5"
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"crypto/sha1"
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"crypto/sha256"
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"crypto/sha512"
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"crypto/subtle"
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"crypto/x509"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"hash"
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"io"
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"net"
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"net/http"
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"net/url"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"github.com/GehirnInc/crypt"
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"github.com/GehirnInc/crypt/apr1_crypt"
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"github.com/GehirnInc/crypt/md5_crypt"
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"github.com/GehirnInc/crypt/sha512_crypt"
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"github.com/alexedwards/argon2id"
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"github.com/go-chi/render"
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"github.com/rs/xid"
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"github.com/sftpgo/sdk"
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passwordvalidator "github.com/wagslane/go-password-validator"
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"golang.org/x/crypto/bcrypt"
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"golang.org/x/crypto/pbkdf2"
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"golang.org/x/crypto/ssh"
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"github.com/drakkan/sftpgo/v2/command"
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"github.com/drakkan/sftpgo/v2/httpclient"
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"github.com/drakkan/sftpgo/v2/kms"
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"github.com/drakkan/sftpgo/v2/logger"
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"github.com/drakkan/sftpgo/v2/mfa"
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"github.com/drakkan/sftpgo/v2/plugin"
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"github.com/drakkan/sftpgo/v2/util"
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"github.com/drakkan/sftpgo/v2/vfs"
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)
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const (
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// SQLiteDataProviderName defines the name for SQLite database provider
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SQLiteDataProviderName = "sqlite"
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// PGSQLDataProviderName defines the name for PostgreSQL database provider
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PGSQLDataProviderName = "postgresql"
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// MySQLDataProviderName defines the name for MySQL database provider
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MySQLDataProviderName = "mysql"
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// BoltDataProviderName defines the name for bbolt key/value store provider
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BoltDataProviderName = "bolt"
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// MemoryDataProviderName defines the name for memory provider
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MemoryDataProviderName = "memory"
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// CockroachDataProviderName defines the for CockroachDB provider
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CockroachDataProviderName = "cockroachdb"
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// DumpVersion defines the version for the dump.
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// For restore/load we support the current version and the previous one
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DumpVersion = 12
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argonPwdPrefix = "$argon2id$"
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bcryptPwdPrefix = "$2a$"
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pbkdf2SHA1Prefix = "$pbkdf2-sha1$"
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pbkdf2SHA256Prefix = "$pbkdf2-sha256$"
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pbkdf2SHA512Prefix = "$pbkdf2-sha512$"
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pbkdf2SHA256B64SaltPrefix = "$pbkdf2-b64salt-sha256$"
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md5cryptPwdPrefix = "$1$"
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md5cryptApr1PwdPrefix = "$apr1$"
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sha512cryptPwdPrefix = "$6$"
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md5LDAPPwdPrefix = "{MD5}"
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trackQuotaDisabledError = "please enable track_quota in your configuration to use this method"
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operationAdd = "add"
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operationUpdate = "update"
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operationDelete = "delete"
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sqlPrefixValidChars = "abcdefghijklmnopqrstuvwxyz_0123456789"
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maxHookResponseSize = 1048576 // 1MB
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iso8601UTCFormat = "2006-01-02T15:04:05Z"
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)
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// Supported algorithms for hashing passwords.
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// These algorithms can be used when SFTPGo hashes a plain text password
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const (
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HashingAlgoBcrypt = "bcrypt"
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HashingAlgoArgon2ID = "argon2id"
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)
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// ordering constants
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const (
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OrderASC = "ASC"
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OrderDESC = "DESC"
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)
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const (
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protocolSSH = "SSH"
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protocolFTP = "FTP"
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protocolWebDAV = "DAV"
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protocolHTTP = "HTTP"
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)
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var (
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// SupportedProviders defines the supported data providers
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SupportedProviders = []string{SQLiteDataProviderName, PGSQLDataProviderName, MySQLDataProviderName,
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BoltDataProviderName, MemoryDataProviderName, CockroachDataProviderName}
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// ValidPerms defines all the valid permissions for a user
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ValidPerms = []string{PermAny, PermListItems, PermDownload, PermUpload, PermOverwrite, PermCreateDirs, PermRename,
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PermRenameFiles, PermRenameDirs, PermDelete, PermDeleteFiles, PermDeleteDirs, PermCreateSymlinks, PermChmod,
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PermChown, PermChtimes}
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// ValidLoginMethods defines all the valid login methods
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ValidLoginMethods = []string{SSHLoginMethodPublicKey, LoginMethodPassword, SSHLoginMethodPassword,
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SSHLoginMethodKeyboardInteractive, SSHLoginMethodKeyAndPassword, SSHLoginMethodKeyAndKeyboardInt,
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LoginMethodTLSCertificate, LoginMethodTLSCertificateAndPwd}
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// SSHMultiStepsLoginMethods defines the supported Multi-Step Authentications
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SSHMultiStepsLoginMethods = []string{SSHLoginMethodKeyAndPassword, SSHLoginMethodKeyAndKeyboardInt}
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// ErrNoAuthTryed defines the error for connection closed before authentication
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ErrNoAuthTryed = errors.New("no auth tryed")
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// ErrNotImplemented defines the error for features not supported for a particular data provider
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ErrNotImplemented = errors.New("feature not supported with the configured data provider")
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// ValidProtocols defines all the valid protcols
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ValidProtocols = []string{protocolSSH, protocolFTP, protocolWebDAV, protocolHTTP}
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// MFAProtocols defines the supported protocols for multi-factor authentication
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MFAProtocols = []string{protocolHTTP, protocolSSH, protocolFTP}
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// ErrNoInitRequired defines the error returned by InitProvider if no inizialization/update is required
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ErrNoInitRequired = errors.New("the data provider is up to date")
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// ErrInvalidCredentials defines the error to return if the supplied credentials are invalid
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ErrInvalidCredentials = errors.New("invalid credentials")
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// ErrLoginNotAllowedFromIP defines the error to return if login is denied from the current IP
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ErrLoginNotAllowedFromIP = errors.New("login is not allowed from this IP")
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isAdminCreated = int32(0)
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validTLSUsernames = []string{string(sdk.TLSUsernameNone), string(sdk.TLSUsernameCN)}
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config Config
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provider Provider
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sqlPlaceholders []string
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internalHashPwdPrefixes = []string{argonPwdPrefix, bcryptPwdPrefix}
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hashPwdPrefixes = []string{argonPwdPrefix, bcryptPwdPrefix, pbkdf2SHA1Prefix, pbkdf2SHA256Prefix,
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pbkdf2SHA512Prefix, pbkdf2SHA256B64SaltPrefix, md5cryptPwdPrefix, md5cryptApr1PwdPrefix, md5LDAPPwdPrefix,
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sha512cryptPwdPrefix}
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pbkdfPwdPrefixes = []string{pbkdf2SHA1Prefix, pbkdf2SHA256Prefix, pbkdf2SHA512Prefix, pbkdf2SHA256B64SaltPrefix}
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pbkdfPwdB64SaltPrefixes = []string{pbkdf2SHA256B64SaltPrefix}
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unixPwdPrefixes = []string{md5cryptPwdPrefix, md5cryptApr1PwdPrefix, sha512cryptPwdPrefix}
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sharedProviders = []string{PGSQLDataProviderName, MySQLDataProviderName, CockroachDataProviderName}
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logSender = "dataprovider"
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credentialsDirPath string
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sqlTableUsers string
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sqlTableFolders string
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sqlTableFoldersMapping string
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sqlTableUsersFoldersMapping string
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sqlTableAdmins string
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sqlTableAPIKeys string
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sqlTableShares string
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sqlTableDefenderHosts string
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sqlTableDefenderEvents string
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sqlTableActiveTransfers string
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sqlTableGroups string
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sqlTableUsersGroupsMapping string
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sqlTableGroupsFoldersMapping string
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sqlTableSharedSessions string
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sqlTableSchemaVersion string
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argon2Params *argon2id.Params
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lastLoginMinDelay = 10 * time.Minute
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usernameRegex = regexp.MustCompile("^[a-zA-Z0-9-_.~]+$")
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tempPath string
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)
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func initSQLTables() {
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sqlTableUsers = "users"
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sqlTableFolders = "folders"
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sqlTableFoldersMapping = "folders_mapping"
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sqlTableUsersFoldersMapping = "users_folders_mapping"
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sqlTableAdmins = "admins"
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sqlTableAPIKeys = "api_keys"
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sqlTableShares = "shares"
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sqlTableDefenderHosts = "defender_hosts"
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sqlTableDefenderEvents = "defender_events"
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sqlTableActiveTransfers = "active_transfers"
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sqlTableGroups = "groups"
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sqlTableUsersGroupsMapping = "users_groups_mapping"
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sqlTableGroupsFoldersMapping = "groups_folders_mapping"
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sqlTableSharedSessions = "shared_sessions"
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sqlTableSchemaVersion = "schema_version"
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}
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type schemaVersion struct {
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Version int
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}
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// BcryptOptions defines the options for bcrypt password hashing
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type BcryptOptions struct {
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Cost int `json:"cost" mapstructure:"cost"`
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}
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// Argon2Options defines the options for argon2 password hashing
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type Argon2Options struct {
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Memory uint32 `json:"memory" mapstructure:"memory"`
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Iterations uint32 `json:"iterations" mapstructure:"iterations"`
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Parallelism uint8 `json:"parallelism" mapstructure:"parallelism"`
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}
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// PasswordHashing defines the configuration for password hashing
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type PasswordHashing struct {
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BcryptOptions BcryptOptions `json:"bcrypt_options" mapstructure:"bcrypt_options"`
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Argon2Options Argon2Options `json:"argon2_options" mapstructure:"argon2_options"`
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// Algorithm to use for hashing passwords. Available algorithms: argon2id, bcrypt. Default: bcrypt
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Algo string `json:"algo" mapstructure:"algo"`
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}
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// PasswordValidationRules defines the password validation rules
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type PasswordValidationRules struct {
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// MinEntropy defines the minimum password entropy.
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// 0 means disabled, any password will be accepted.
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// Take a look at the following link for more details
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// https://github.com/wagslane/go-password-validator#what-entropy-value-should-i-use
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MinEntropy float64 `json:"min_entropy" mapstructure:"min_entropy"`
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}
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// PasswordValidation defines the password validation rules for admins and protocol users
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type PasswordValidation struct {
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// Password validation rules for SFTPGo admin users
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Admins PasswordValidationRules `json:"admins" mapstructure:"admins"`
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// Password validation rules for SFTPGo protocol users
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Users PasswordValidationRules `json:"users" mapstructure:"users"`
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}
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type wrappedFolder struct {
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Folder vfs.BaseVirtualFolder
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}
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func (w *wrappedFolder) RenderAsJSON(reload bool) ([]byte, error) {
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if reload {
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folder, err := provider.getFolderByName(w.Folder.Name)
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if err != nil {
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providerLog(logger.LevelError, "unable to reload folder before rendering as json: %v", err)
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return nil, err
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}
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folder.PrepareForRendering()
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return json.Marshal(folder)
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}
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w.Folder.PrepareForRendering()
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return json.Marshal(w.Folder)
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}
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// ObjectsActions defines the action to execute on user create, update, delete for the specified objects
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type ObjectsActions struct {
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// Valid values are add, update, delete. Empty slice to disable
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ExecuteOn []string `json:"execute_on" mapstructure:"execute_on"`
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// Valid values are user, admin, api_key
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ExecuteFor []string `json:"execute_for" mapstructure:"execute_for"`
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// Absolute path to an external program or an HTTP URL
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Hook string `json:"hook" mapstructure:"hook"`
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}
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// ProviderStatus defines the provider status
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type ProviderStatus struct {
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Driver string `json:"driver"`
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IsActive bool `json:"is_active"`
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Error string `json:"error"`
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}
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// AutoBackup defines the settings for automatic provider backups.
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// Example: hour "0" and day_of_week "*" means a backup every day at midnight.
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// The backup file name is in the format backup_<day_of_week>_<hour>.json
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// files with the same name will be overwritten
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type AutoBackup struct {
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Enabled bool `json:"enabled" mapstructure:"enabled"`
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// hour as standard cron expression. Allowed values: 0-23.
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// Allowed special characters: asterisk (*), slash (/), comma (,), hyphen (-).
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// More info about special characters here:
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// https://pkg.go.dev/github.com/robfig/cron#hdr-Special_Characters
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Hour string `json:"hour" mapstructure:"hour"`
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// Day of the week as cron expression. Allowed values: 0-6 (Sunday to Saturday).
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// Allowed special characters: asterisk (*), slash (/), comma (,), hyphen (-), question mark (?).
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// More info about special characters here:
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// https://pkg.go.dev/github.com/robfig/cron#hdr-Special_Characters
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DayOfWeek string `json:"day_of_week" mapstructure:"day_of_week"`
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}
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// Config provider configuration
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type Config struct {
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// Driver name, must be one of the SupportedProviders
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Driver string `json:"driver" mapstructure:"driver"`
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// Database name. For driver sqlite this can be the database name relative to the config dir
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// or the absolute path to the SQLite database.
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Name string `json:"name" mapstructure:"name"`
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// Database host
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Host string `json:"host" mapstructure:"host"`
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// Database port
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Port int `json:"port" mapstructure:"port"`
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// Database username
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Username string `json:"username" mapstructure:"username"`
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// Database password
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Password string `json:"password" mapstructure:"password"`
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// Used for drivers mysql and postgresql.
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// 0 disable SSL/TLS connections.
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// 1 require ssl.
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// 2 set ssl mode to verify-ca for driver postgresql and skip-verify for driver mysql.
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// 3 set ssl mode to verify-full for driver postgresql and preferred for driver mysql.
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SSLMode int `json:"sslmode" mapstructure:"sslmode"`
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// Path to the root certificate authority used to verify that the server certificate was signed by a trusted CA
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RootCert string `json:"root_cert" mapstructure:"root_cert"`
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// Path to the client certificate for two-way TLS authentication
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ClientCert string `json:"client_cert" mapstructure:"client_cert"`
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// Path to the client key for two-way TLS authentication
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ClientKey string `json:"client_key" mapstructure:"client_key"`
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// Custom database connection string.
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// If not empty this connection string will be used instead of build one using the previous parameters
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ConnectionString string `json:"connection_string" mapstructure:"connection_string"`
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// prefix for SQL tables
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SQLTablesPrefix string `json:"sql_tables_prefix" mapstructure:"sql_tables_prefix"`
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// Set the preferred way to track users quota between the following choices:
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// 0, disable quota tracking. REST API to scan user dir and update quota will do nothing
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// 1, quota is updated each time a user upload or delete a file even if the user has no quota restrictions
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// 2, quota is updated each time a user upload or delete a file but only for users with quota restrictions
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// and for virtual folders.
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// With this configuration the "quota scan" REST API can still be used to periodically update space usage
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// for users without quota restrictions
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TrackQuota int `json:"track_quota" mapstructure:"track_quota"`
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// Sets the maximum number of open connections for mysql and postgresql driver.
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// Default 0 (unlimited)
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PoolSize int `json:"pool_size" mapstructure:"pool_size"`
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// Users default base directory.
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// If no home dir is defined while adding a new user, and this value is
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// a valid absolute path, then the user home dir will be automatically
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// defined as the path obtained joining the base dir and the username
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UsersBaseDir string `json:"users_base_dir" mapstructure:"users_base_dir"`
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// Actions to execute on objects add, update, delete.
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// The supported objects are user, admin, api_key.
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// Update action will not be fired for internal updates such as the last login or the user quota fields.
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Actions ObjectsActions `json:"actions" mapstructure:"actions"`
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// Absolute path to an external program or an HTTP URL to invoke for users authentication.
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// Leave empty to use builtin authentication.
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// If the authentication succeed the user will be automatically added/updated inside the defined data provider.
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// Actions defined for user added/updated will not be executed in this case.
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// This method is slower than built-in authentication methods, but it's very flexible as anyone can
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// easily write his own authentication hooks.
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ExternalAuthHook string `json:"external_auth_hook" mapstructure:"external_auth_hook"`
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// ExternalAuthScope defines the scope for the external authentication hook.
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// - 0 means all supported authentication scopes, the external hook will be executed for password,
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// public key, keyboard interactive authentication and TLS certificates
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// - 1 means passwords only
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// - 2 means public keys only
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// - 4 means keyboard interactive only
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// - 8 means TLS certificates only
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// you can combine the scopes, for example 3 means password and public key, 5 password and keyboard
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// interactive and so on
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ExternalAuthScope int `json:"external_auth_scope" mapstructure:"external_auth_scope"`
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// CredentialsPath defines the directory for storing user provided credential files such as
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// Google Cloud Storage credentials. It can be a path relative to the config dir or an
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// absolute path
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CredentialsPath string `json:"credentials_path" mapstructure:"credentials_path"`
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// Absolute path to an external program or an HTTP URL to invoke just before the user login.
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// This program/URL allows to modify or create the user trying to login.
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// It is useful if you have users with dynamic fields to update just before the login.
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// Please note that if you want to create a new user, the pre-login hook response must
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// include all the mandatory user fields.
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//
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// The pre-login hook must finish within 30 seconds.
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//
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// If an error happens while executing the "PreLoginHook" then login will be denied.
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// PreLoginHook and ExternalAuthHook are mutally exclusive.
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// Leave empty to disable.
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PreLoginHook string `json:"pre_login_hook" mapstructure:"pre_login_hook"`
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// Absolute path to an external program or an HTTP URL to invoke after the user login.
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// Based on the configured scope you can choose if notify failed or successful logins
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// or both
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PostLoginHook string `json:"post_login_hook" mapstructure:"post_login_hook"`
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// PostLoginScope defines the scope for the post-login hook.
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// - 0 means notify both failed and successful logins
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// - 1 means notify failed logins
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// - 2 means notify successful logins
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PostLoginScope int `json:"post_login_scope" mapstructure:"post_login_scope"`
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// Absolute path to an external program or an HTTP URL to invoke just before password
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// authentication. This hook allows you to externally check the provided password,
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// its main use case is to allow to easily support things like password+OTP for protocols
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// without keyboard interactive support such as FTP and WebDAV. You can ask your users
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// to login using a string consisting of a fixed password and a One Time Token, you
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// can verify the token inside the hook and ask to SFTPGo to verify the fixed part.
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CheckPasswordHook string `json:"check_password_hook" mapstructure:"check_password_hook"`
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// CheckPasswordScope defines the scope for the check password hook.
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// - 0 means all protocols
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// - 1 means SSH
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// - 2 means FTP
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// - 4 means WebDAV
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// you can combine the scopes, for example 6 means FTP and WebDAV
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CheckPasswordScope int `json:"check_password_scope" mapstructure:"check_password_scope"`
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// Defines how the database will be initialized/updated:
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// - 0 means automatically
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// - 1 means manually using the initprovider sub-command
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UpdateMode int `json:"update_mode" mapstructure:"update_mode"`
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// PasswordHashing defines the configuration for password hashing
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PasswordHashing PasswordHashing `json:"password_hashing" mapstructure:"password_hashing"`
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// PasswordValidation defines the password validation rules
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PasswordValidation PasswordValidation `json:"password_validation" mapstructure:"password_validation"`
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// Verifying argon2 passwords has a high memory and computational cost,
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// by enabling, in memory, password caching you reduce this cost.
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PasswordCaching bool `json:"password_caching" mapstructure:"password_caching"`
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// DelayedQuotaUpdate defines the number of seconds to accumulate quota updates.
|
|
// If there are a lot of close uploads, accumulating quota updates can save you many
|
|
// queries to the data provider.
|
|
// If you want to track quotas, a scheduled quota update is recommended in any case, the stored
|
|
// quota size may be incorrect for several reasons, such as an unexpected shutdown, temporary provider
|
|
// failures, file copied outside of SFTPGo, and so on.
|
|
// 0 means immediate quota update.
|
|
DelayedQuotaUpdate int `json:"delayed_quota_update" mapstructure:"delayed_quota_update"`
|
|
// If enabled, a default admin user with username "admin" and password "password" will be created
|
|
// on first start.
|
|
// You can also create the first admin user by using the web interface or by loading initial data.
|
|
CreateDefaultAdmin bool `json:"create_default_admin" mapstructure:"create_default_admin"`
|
|
// Rules for usernames and folder names:
|
|
// - 0 means no rules
|
|
// - 1 means you can use any UTF-8 character. The names are used in URIs for REST API and Web admin.
|
|
// By default only unreserved URI characters are allowed: ALPHA / DIGIT / "-" / "." / "_" / "~".
|
|
// - 2 means names are converted to lowercase before saving/matching and so case
|
|
// insensitive matching is possible
|
|
// - 4 means trimming trailing and leading white spaces before saving/matching
|
|
// Rules can be combined, for example 3 means both converting to lowercase and allowing any UTF-8 character.
|
|
// Enabling these options for existing installations could be backward incompatible, some users
|
|
// could be unable to login, for example existing users with mixed cases in their usernames.
|
|
// You have to ensure that all existing users respect the defined rules.
|
|
NamingRules int `json:"naming_rules" mapstructure:"naming_rules"`
|
|
// If the data provider is shared across multiple SFTPGo instances, set this parameter to 1.
|
|
// MySQL, PostgreSQL and CockroachDB can be shared, this setting is ignored for other data
|
|
// providers. For shared data providers, SFTPGo periodically reloads the latest updated users,
|
|
// based on the "updated_at" field, and updates its internal caches if users are updated from
|
|
// a different instance. This check, if enabled, is executed every 10 minutes.
|
|
// For shared data providers, active transfers are persisted in the database and thus
|
|
// quota checks between ongoing transfers will work cross multiple instances
|
|
IsShared int `json:"is_shared" mapstructure:"is_shared"`
|
|
// Path to the backup directory. This can be an absolute path or a path relative to the config dir
|
|
BackupsPath string `json:"backups_path" mapstructure:"backups_path"`
|
|
// Settings for automatic backups
|
|
AutoBackup AutoBackup `json:"auto_backup" mapstructure:"auto_backup"`
|
|
}
|
|
|
|
// GetShared returns the provider share mode
|
|
func (c *Config) GetShared() int {
|
|
if !util.Contains(sharedProviders, c.Driver) {
|
|
return 0
|
|
}
|
|
return c.IsShared
|
|
}
|
|
|
|
func (c *Config) convertName(name string) string {
|
|
if c.NamingRules == 0 {
|
|
return name
|
|
}
|
|
if c.NamingRules&2 != 0 {
|
|
name = strings.ToLower(name)
|
|
}
|
|
if c.NamingRules&4 != 0 {
|
|
name = strings.TrimSpace(name)
|
|
}
|
|
|
|
return name
|
|
}
|
|
|
|
// IsDefenderSupported returns true if the configured provider supports the defender
|
|
func (c *Config) IsDefenderSupported() bool {
|
|
switch c.Driver {
|
|
case MySQLDataProviderName, PGSQLDataProviderName, CockroachDataProviderName:
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func (c *Config) requireCustomTLSForMySQL() bool {
|
|
if config.RootCert != "" && util.IsFileInputValid(config.RootCert) {
|
|
return config.SSLMode != 0
|
|
}
|
|
if config.ClientCert != "" && config.ClientKey != "" && util.IsFileInputValid(config.ClientCert) &&
|
|
util.IsFileInputValid(config.ClientKey) {
|
|
return config.SSLMode != 0
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (c *Config) doBackup() {
|
|
now := time.Now()
|
|
outputFile := filepath.Join(c.BackupsPath, fmt.Sprintf("backup_%v_%v.json", now.Weekday(), now.Hour()))
|
|
providerLog(logger.LevelDebug, "starting auto backup to file %#v", outputFile)
|
|
err := os.MkdirAll(filepath.Dir(outputFile), 0700)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to create backup dir %#v: %v", outputFile, err)
|
|
return
|
|
}
|
|
backup, err := DumpData()
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to execute backup: %v", err)
|
|
return
|
|
}
|
|
dump, err := json.Marshal(backup)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to marshal backup as JSON: %v", err)
|
|
return
|
|
}
|
|
err = os.WriteFile(outputFile, dump, 0600)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to save backup: %v", err)
|
|
return
|
|
}
|
|
providerLog(logger.LevelDebug, "auto backup saved to %#v", outputFile)
|
|
}
|
|
|
|
// ConvertName converts the given name based on the configured rules
|
|
func ConvertName(name string) string {
|
|
return config.convertName(name)
|
|
}
|
|
|
|
// ActiveTransfer defines an active protocol transfer
|
|
type ActiveTransfer struct {
|
|
ID int64
|
|
Type int
|
|
ConnID string
|
|
Username string
|
|
FolderName string
|
|
IP string
|
|
TruncatedSize int64
|
|
CurrentULSize int64
|
|
CurrentDLSize int64
|
|
CreatedAt int64
|
|
UpdatedAt int64
|
|
}
|
|
|
|
// TransferQuota stores the allowed transfer quota fields
|
|
type TransferQuota struct {
|
|
ULSize int64
|
|
DLSize int64
|
|
TotalSize int64
|
|
AllowedULSize int64
|
|
AllowedDLSize int64
|
|
AllowedTotalSize int64
|
|
}
|
|
|
|
// HasSizeLimits returns true if any size limit is set
|
|
func (q *TransferQuota) HasSizeLimits() bool {
|
|
return q.AllowedDLSize > 0 || q.AllowedULSize > 0 || q.AllowedTotalSize > 0
|
|
}
|
|
|
|
// HasUploadSpace returns true if there is transfer upload space available
|
|
func (q *TransferQuota) HasUploadSpace() bool {
|
|
if q.TotalSize <= 0 && q.ULSize <= 0 {
|
|
return true
|
|
}
|
|
if q.TotalSize > 0 {
|
|
return q.AllowedTotalSize > 0
|
|
}
|
|
return q.AllowedULSize > 0
|
|
}
|
|
|
|
// HasDownloadSpace returns true if there is transfer download space available
|
|
func (q *TransferQuota) HasDownloadSpace() bool {
|
|
if q.TotalSize <= 0 && q.DLSize <= 0 {
|
|
return true
|
|
}
|
|
if q.TotalSize > 0 {
|
|
return q.AllowedTotalSize > 0
|
|
}
|
|
return q.AllowedDLSize > 0
|
|
}
|
|
|
|
// DefenderEntry defines a defender entry
|
|
type DefenderEntry struct {
|
|
ID int64 `json:"-"`
|
|
IP string `json:"ip"`
|
|
Score int `json:"score,omitempty"`
|
|
BanTime time.Time `json:"ban_time,omitempty"`
|
|
}
|
|
|
|
// GetID returns an unique ID for a defender entry
|
|
func (d *DefenderEntry) GetID() string {
|
|
return hex.EncodeToString([]byte(d.IP))
|
|
}
|
|
|
|
// GetBanTime returns the ban time for a defender entry as string
|
|
func (d *DefenderEntry) GetBanTime() string {
|
|
if d.BanTime.IsZero() {
|
|
return ""
|
|
}
|
|
return d.BanTime.UTC().Format(time.RFC3339)
|
|
}
|
|
|
|
// MarshalJSON returns the JSON encoding of a DefenderEntry.
|
|
func (d *DefenderEntry) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(&struct {
|
|
ID string `json:"id"`
|
|
IP string `json:"ip"`
|
|
Score int `json:"score,omitempty"`
|
|
BanTime string `json:"ban_time,omitempty"`
|
|
}{
|
|
ID: d.GetID(),
|
|
IP: d.IP,
|
|
Score: d.Score,
|
|
BanTime: d.GetBanTime(),
|
|
})
|
|
}
|
|
|
|
// BackupData defines the structure for the backup/restore files
|
|
type BackupData struct {
|
|
Users []User `json:"users"`
|
|
Groups []Group `json:"groups"`
|
|
Folders []vfs.BaseVirtualFolder `json:"folders"`
|
|
Admins []Admin `json:"admins"`
|
|
APIKeys []APIKey `json:"api_keys"`
|
|
Shares []Share `json:"shares"`
|
|
Version int `json:"version"`
|
|
}
|
|
|
|
// HasFolder returns true if the folder with the given name is included
|
|
func (d *BackupData) HasFolder(name string) bool {
|
|
for _, folder := range d.Folders {
|
|
if folder.Name == name {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
type checkPasswordRequest struct {
|
|
Username string `json:"username"`
|
|
IP string `json:"ip"`
|
|
Password string `json:"password"`
|
|
Protocol string `json:"protocol"`
|
|
}
|
|
|
|
type checkPasswordResponse struct {
|
|
// 0 KO, 1 OK, 2 partial success, -1 not executed
|
|
Status int `json:"status"`
|
|
// for status = 2 this is the password to check against the one stored
|
|
// inside the SFTPGo data provider
|
|
ToVerify string `json:"to_verify"`
|
|
}
|
|
|
|
// GetQuotaTracking returns the configured mode for user's quota tracking
|
|
func GetQuotaTracking() int {
|
|
return config.TrackQuota
|
|
}
|
|
|
|
// HasUsersBaseDir returns true if users base dir is set
|
|
func HasUsersBaseDir() bool {
|
|
return config.UsersBaseDir != ""
|
|
}
|
|
|
|
// Provider defines the interface that data providers must implement.
|
|
type Provider interface {
|
|
validateUserAndPass(username, password, ip, protocol string) (User, error)
|
|
validateUserAndPubKey(username string, pubKey []byte, isSSHCert bool) (User, string, error)
|
|
validateUserAndTLSCert(username, protocol string, tlsCert *x509.Certificate) (User, error)
|
|
updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error
|
|
updateTransferQuota(username string, uploadSize, downloadSize int64, reset bool) error
|
|
getUsedQuota(username string) (int, int64, int64, int64, error)
|
|
userExists(username string) (User, error)
|
|
addUser(user *User) error
|
|
updateUser(user *User) error
|
|
deleteUser(user User) error
|
|
updateUserPassword(username, password string) error
|
|
getUsers(limit int, offset int, order string) ([]User, error)
|
|
dumpUsers() ([]User, error)
|
|
getRecentlyUpdatedUsers(after int64) ([]User, error)
|
|
getUsersForQuotaCheck(toFetch map[string]bool) ([]User, error)
|
|
updateLastLogin(username string) error
|
|
updateAdminLastLogin(username string) error
|
|
setUpdatedAt(username string)
|
|
getFolders(limit, offset int, order string, minimal bool) ([]vfs.BaseVirtualFolder, error)
|
|
getFolderByName(name string) (vfs.BaseVirtualFolder, error)
|
|
addFolder(folder *vfs.BaseVirtualFolder) error
|
|
updateFolder(folder *vfs.BaseVirtualFolder) error
|
|
deleteFolder(folder vfs.BaseVirtualFolder) error
|
|
updateFolderQuota(name string, filesAdd int, sizeAdd int64, reset bool) error
|
|
getUsedFolderQuota(name string) (int, int64, error)
|
|
dumpFolders() ([]vfs.BaseVirtualFolder, error)
|
|
getGroups(limit, offset int, order string, minimal bool) ([]Group, error)
|
|
getGroupsWithNames(names []string) ([]Group, error)
|
|
getUsersInGroups(names []string) ([]string, error)
|
|
groupExists(name string) (Group, error)
|
|
addGroup(group *Group) error
|
|
updateGroup(group *Group) error
|
|
deleteGroup(group Group) error
|
|
dumpGroups() ([]Group, error)
|
|
adminExists(username string) (Admin, error)
|
|
addAdmin(admin *Admin) error
|
|
updateAdmin(admin *Admin) error
|
|
deleteAdmin(admin Admin) error
|
|
getAdmins(limit int, offset int, order string) ([]Admin, error)
|
|
dumpAdmins() ([]Admin, error)
|
|
validateAdminAndPass(username, password, ip string) (Admin, error)
|
|
apiKeyExists(keyID string) (APIKey, error)
|
|
addAPIKey(apiKey *APIKey) error
|
|
updateAPIKey(apiKey *APIKey) error
|
|
deleteAPIKey(apiKey APIKey) error
|
|
getAPIKeys(limit int, offset int, order string) ([]APIKey, error)
|
|
dumpAPIKeys() ([]APIKey, error)
|
|
updateAPIKeyLastUse(keyID string) error
|
|
shareExists(shareID, username string) (Share, error)
|
|
addShare(share *Share) error
|
|
updateShare(share *Share) error
|
|
deleteShare(share Share) error
|
|
getShares(limit int, offset int, order, username string) ([]Share, error)
|
|
dumpShares() ([]Share, error)
|
|
updateShareLastUse(shareID string, numTokens int) error
|
|
getDefenderHosts(from int64, limit int) ([]DefenderEntry, error)
|
|
getDefenderHostByIP(ip string, from int64) (DefenderEntry, error)
|
|
isDefenderHostBanned(ip string) (DefenderEntry, error)
|
|
updateDefenderBanTime(ip string, minutes int) error
|
|
deleteDefenderHost(ip string) error
|
|
addDefenderEvent(ip string, score int) error
|
|
setDefenderBanTime(ip string, banTime int64) error
|
|
cleanupDefender(from int64) error
|
|
addActiveTransfer(transfer ActiveTransfer) error
|
|
updateActiveTransferSizes(ulSize, dlSize, transferID int64, connectionID string) error
|
|
removeActiveTransfer(transferID int64, connectionID string) error
|
|
cleanupActiveTransfers(before time.Time) error
|
|
getActiveTransfers(from time.Time) ([]ActiveTransfer, error)
|
|
addSharedSession(session Session) error
|
|
deleteSharedSession(key string) error
|
|
getSharedSession(key string) (Session, error)
|
|
cleanupSharedSessions(sessionType SessionType, before int64) error
|
|
checkAvailability() error
|
|
close() error
|
|
reloadConfig() error
|
|
initializeDatabase() error
|
|
migrateDatabase() error
|
|
revertDatabase(targetVersion int) error
|
|
resetDatabase() error
|
|
}
|
|
|
|
// SetTempPath sets the path for temporary files
|
|
func SetTempPath(fsPath string) {
|
|
tempPath = fsPath
|
|
}
|
|
|
|
func checkSharedMode() {
|
|
if !util.Contains(sharedProviders, config.Driver) {
|
|
config.IsShared = 0
|
|
}
|
|
}
|
|
|
|
// Initialize the data provider.
|
|
// An error is returned if the configured driver is invalid or if the data provider cannot be initialized
|
|
func Initialize(cnf Config, basePath string, checkAdmins bool) error {
|
|
var err error
|
|
config = cnf
|
|
checkSharedMode()
|
|
config.Actions.ExecuteOn = util.RemoveDuplicates(config.Actions.ExecuteOn, true)
|
|
config.Actions.ExecuteFor = util.RemoveDuplicates(config.Actions.ExecuteFor, true)
|
|
|
|
cnf.BackupsPath = getConfigPath(cnf.BackupsPath, basePath)
|
|
if cnf.BackupsPath == "" {
|
|
return fmt.Errorf("required directory is invalid, backup path %#v", cnf.BackupsPath)
|
|
}
|
|
credentialsDirPath = getConfigPath(config.CredentialsPath, basePath)
|
|
vfs.SetCredentialsDirPath(credentialsDirPath)
|
|
|
|
if err = initializeHashingAlgo(&cnf); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = validateHooks(); err != nil {
|
|
return err
|
|
}
|
|
err = createProvider(basePath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if cnf.UpdateMode == 0 {
|
|
err = provider.initializeDatabase()
|
|
if err != nil && err != ErrNoInitRequired {
|
|
logger.WarnToConsole("Unable to initialize data provider: %v", err)
|
|
providerLog(logger.LevelError, "Unable to initialize data provider: %v", err)
|
|
return err
|
|
}
|
|
if err == nil {
|
|
logger.DebugToConsole("Data provider successfully initialized")
|
|
}
|
|
err = provider.migrateDatabase()
|
|
if err != nil && err != ErrNoInitRequired {
|
|
providerLog(logger.LevelError, "database migration error: %v", err)
|
|
return err
|
|
}
|
|
if checkAdmins && cnf.CreateDefaultAdmin {
|
|
err = checkDefaultAdmin()
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "erro checking the default admin: %v", err)
|
|
return err
|
|
}
|
|
}
|
|
} else {
|
|
providerLog(logger.LevelInfo, "database initialization/migration skipped, manual mode is configured")
|
|
}
|
|
admins, err := provider.getAdmins(1, 0, OrderASC)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
atomic.StoreInt32(&isAdminCreated, int32(len(admins)))
|
|
delayedQuotaUpdater.start()
|
|
return startScheduler()
|
|
}
|
|
|
|
func validateHooks() error {
|
|
var hooks []string
|
|
if config.PreLoginHook != "" && !strings.HasPrefix(config.PreLoginHook, "http") {
|
|
hooks = append(hooks, config.PreLoginHook)
|
|
}
|
|
if config.ExternalAuthHook != "" && !strings.HasPrefix(config.ExternalAuthHook, "http") {
|
|
hooks = append(hooks, config.ExternalAuthHook)
|
|
}
|
|
if config.PostLoginHook != "" && !strings.HasPrefix(config.PostLoginHook, "http") {
|
|
hooks = append(hooks, config.PostLoginHook)
|
|
}
|
|
if config.CheckPasswordHook != "" && !strings.HasPrefix(config.CheckPasswordHook, "http") {
|
|
hooks = append(hooks, config.CheckPasswordHook)
|
|
}
|
|
|
|
for _, hook := range hooks {
|
|
if !filepath.IsAbs(hook) {
|
|
return fmt.Errorf("invalid hook: %#v must be an absolute path", hook)
|
|
}
|
|
_, err := os.Stat(hook)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "invalid hook: %v", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetBackupsPath returns the normalized backups path
|
|
func GetBackupsPath() string {
|
|
return config.BackupsPath
|
|
}
|
|
|
|
func initializeHashingAlgo(cnf *Config) error {
|
|
argon2Params = &argon2id.Params{
|
|
Memory: cnf.PasswordHashing.Argon2Options.Memory,
|
|
Iterations: cnf.PasswordHashing.Argon2Options.Iterations,
|
|
Parallelism: cnf.PasswordHashing.Argon2Options.Parallelism,
|
|
SaltLength: 16,
|
|
KeyLength: 32,
|
|
}
|
|
|
|
if config.PasswordHashing.Algo == HashingAlgoBcrypt {
|
|
if config.PasswordHashing.BcryptOptions.Cost > bcrypt.MaxCost {
|
|
err := fmt.Errorf("invalid bcrypt cost %v, max allowed %v", config.PasswordHashing.BcryptOptions.Cost, bcrypt.MaxCost)
|
|
logger.WarnToConsole("Unable to initialize data provider: %v", err)
|
|
providerLog(logger.LevelError, "Unable to initialize data provider: %v", err)
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateSQLTablesPrefix() error {
|
|
initSQLTables()
|
|
if config.SQLTablesPrefix != "" {
|
|
for _, char := range config.SQLTablesPrefix {
|
|
if !strings.Contains(sqlPrefixValidChars, strings.ToLower(string(char))) {
|
|
return errors.New("invalid sql_tables_prefix only chars in range 'a..z', 'A..Z', '0-9' and '_' are allowed")
|
|
}
|
|
}
|
|
sqlTableUsers = config.SQLTablesPrefix + sqlTableUsers
|
|
sqlTableFolders = config.SQLTablesPrefix + sqlTableFolders
|
|
sqlTableFoldersMapping = config.SQLTablesPrefix + sqlTableFoldersMapping
|
|
sqlTableUsersFoldersMapping = config.SQLTablesPrefix + sqlTableUsersFoldersMapping
|
|
sqlTableAdmins = config.SQLTablesPrefix + sqlTableAdmins
|
|
sqlTableAPIKeys = config.SQLTablesPrefix + sqlTableAPIKeys
|
|
sqlTableShares = config.SQLTablesPrefix + sqlTableShares
|
|
sqlTableDefenderEvents = config.SQLTablesPrefix + sqlTableDefenderEvents
|
|
sqlTableDefenderHosts = config.SQLTablesPrefix + sqlTableDefenderHosts
|
|
sqlTableActiveTransfers = config.SQLTablesPrefix + sqlTableActiveTransfers
|
|
sqlTableGroups = config.SQLTablesPrefix + sqlTableGroups
|
|
sqlTableUsersGroupsMapping = config.SQLTablesPrefix + sqlTableUsersGroupsMapping
|
|
sqlTableGroupsFoldersMapping = config.SQLTablesPrefix + sqlTableGroupsFoldersMapping
|
|
sqlTableSharedSessions = config.SQLTablesPrefix + sqlTableSharedSessions
|
|
sqlTableSchemaVersion = config.SQLTablesPrefix + sqlTableSchemaVersion
|
|
providerLog(logger.LevelDebug, "sql table for users %q, folders %q users folders mapping %q admins %q "+
|
|
"api keys %q shares %q defender hosts %q defender events %q transfers %q groups %q "+
|
|
"users groups mapping %q groups folders mapping %q shared sessions %q schema version %q",
|
|
sqlTableUsers, sqlTableFolders, sqlTableUsersFoldersMapping, sqlTableAdmins, sqlTableAPIKeys,
|
|
sqlTableShares, sqlTableDefenderHosts, sqlTableDefenderEvents, sqlTableActiveTransfers, sqlTableGroups,
|
|
sqlTableUsersGroupsMapping, sqlTableGroupsFoldersMapping, sqlTableSharedSessions, sqlTableSchemaVersion)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func checkDefaultAdmin() error {
|
|
admins, err := provider.getAdmins(1, 0, OrderASC)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(admins) > 0 {
|
|
return nil
|
|
}
|
|
logger.Debug(logSender, "", "no admins found, try to create the default one")
|
|
// we need to create the default admin
|
|
admin := &Admin{}
|
|
if err := admin.setFromEnv(); err != nil {
|
|
return err
|
|
}
|
|
return provider.addAdmin(admin)
|
|
}
|
|
|
|
// InitializeDatabase creates the initial database structure
|
|
func InitializeDatabase(cnf Config, basePath string) error {
|
|
config = cnf
|
|
|
|
if filepath.IsAbs(config.CredentialsPath) {
|
|
credentialsDirPath = config.CredentialsPath
|
|
} else {
|
|
credentialsDirPath = filepath.Join(basePath, config.CredentialsPath)
|
|
}
|
|
vfs.SetCredentialsDirPath(credentialsDirPath)
|
|
|
|
if err := initializeHashingAlgo(&cnf); err != nil {
|
|
return err
|
|
}
|
|
|
|
err := createProvider(basePath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.initializeDatabase()
|
|
if err != nil && err != ErrNoInitRequired {
|
|
return err
|
|
}
|
|
return provider.migrateDatabase()
|
|
}
|
|
|
|
// RevertDatabase restores schema and/or data to a previous version
|
|
func RevertDatabase(cnf Config, basePath string, targetVersion int) error {
|
|
config = cnf
|
|
|
|
if filepath.IsAbs(config.CredentialsPath) {
|
|
credentialsDirPath = config.CredentialsPath
|
|
} else {
|
|
credentialsDirPath = filepath.Join(basePath, config.CredentialsPath)
|
|
}
|
|
|
|
err := createProvider(basePath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.initializeDatabase()
|
|
if err != nil && err != ErrNoInitRequired {
|
|
return err
|
|
}
|
|
return provider.revertDatabase(targetVersion)
|
|
}
|
|
|
|
// ResetDatabase restores schema and/or data to a previous version
|
|
func ResetDatabase(cnf Config, basePath string) error {
|
|
config = cnf
|
|
|
|
if filepath.IsAbs(config.CredentialsPath) {
|
|
credentialsDirPath = config.CredentialsPath
|
|
} else {
|
|
credentialsDirPath = filepath.Join(basePath, config.CredentialsPath)
|
|
}
|
|
|
|
if err := createProvider(basePath); err != nil {
|
|
return err
|
|
}
|
|
return provider.resetDatabase()
|
|
}
|
|
|
|
// CheckAdminAndPass validates the given admin and password connecting from ip
|
|
func CheckAdminAndPass(username, password, ip string) (Admin, error) {
|
|
username = config.convertName(username)
|
|
return provider.validateAdminAndPass(username, password, ip)
|
|
}
|
|
|
|
// CheckCachedUserCredentials checks the credentials for a cached user
|
|
func CheckCachedUserCredentials(user *CachedUser, password, loginMethod, protocol string, tlsCert *x509.Certificate) error {
|
|
if loginMethod != LoginMethodPassword {
|
|
_, err := checkUserAndTLSCertificate(&user.User, protocol, tlsCert)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if loginMethod == LoginMethodTLSCertificate {
|
|
if !user.User.IsLoginMethodAllowed(LoginMethodTLSCertificate, protocol, nil) {
|
|
return fmt.Errorf("certificate login method is not allowed for user %#v", user.User.Username)
|
|
}
|
|
return nil
|
|
}
|
|
}
|
|
if err := user.User.CheckLoginConditions(); err != nil {
|
|
return err
|
|
}
|
|
if password == "" {
|
|
return ErrInvalidCredentials
|
|
}
|
|
if user.Password != "" {
|
|
if password == user.Password {
|
|
return nil
|
|
}
|
|
} else {
|
|
if ok, _ := isPasswordOK(&user.User, password); ok {
|
|
return nil
|
|
}
|
|
}
|
|
return ErrInvalidCredentials
|
|
}
|
|
|
|
// CheckCompositeCredentials checks multiple credentials.
|
|
// WebDAV users can send both a password and a TLS certificate within the same request
|
|
func CheckCompositeCredentials(username, password, ip, loginMethod, protocol string, tlsCert *x509.Certificate) (User, string, error) {
|
|
username = config.convertName(username)
|
|
if loginMethod == LoginMethodPassword {
|
|
user, err := CheckUserAndPass(username, password, ip, protocol)
|
|
return user, loginMethod, err
|
|
}
|
|
user, err := CheckUserBeforeTLSAuth(username, ip, protocol, tlsCert)
|
|
if err != nil {
|
|
return user, loginMethod, err
|
|
}
|
|
if !user.IsTLSUsernameVerificationEnabled() {
|
|
// for backward compatibility with 2.0.x we only check the password and change the login method here
|
|
// in future updates we have to return an error
|
|
user, err := CheckUserAndPass(username, password, ip, protocol)
|
|
return user, LoginMethodPassword, err
|
|
}
|
|
user, err = checkUserAndTLSCertificate(&user, protocol, tlsCert)
|
|
if err != nil {
|
|
return user, loginMethod, err
|
|
}
|
|
if loginMethod == LoginMethodTLSCertificate && !user.IsLoginMethodAllowed(LoginMethodTLSCertificate, protocol, nil) {
|
|
return user, loginMethod, fmt.Errorf("certificate login method is not allowed for user %#v", user.Username)
|
|
}
|
|
if loginMethod == LoginMethodTLSCertificateAndPwd {
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopePassword) {
|
|
user, err = doPluginAuth(username, password, nil, ip, protocol, nil, plugin.AuthScopePassword)
|
|
} else if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&1 != 0) {
|
|
user, err = doExternalAuth(username, password, nil, "", ip, protocol, nil)
|
|
} else if config.PreLoginHook != "" {
|
|
user, err = executePreLoginHook(username, LoginMethodPassword, ip, protocol, nil)
|
|
}
|
|
if err != nil {
|
|
return user, loginMethod, err
|
|
}
|
|
user, err = checkUserAndPass(&user, password, ip, protocol)
|
|
}
|
|
return user, loginMethod, err
|
|
}
|
|
|
|
// CheckUserBeforeTLSAuth checks if a user exits before trying mutual TLS
|
|
func CheckUserBeforeTLSAuth(username, ip, protocol string, tlsCert *x509.Certificate) (User, error) {
|
|
username = config.convertName(username)
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopeTLSCertificate) {
|
|
user, err := doPluginAuth(username, "", nil, ip, protocol, tlsCert, plugin.AuthScopeTLSCertificate)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&8 != 0) {
|
|
user, err := doExternalAuth(username, "", nil, "", ip, protocol, tlsCert)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
if config.PreLoginHook != "" {
|
|
user, err := executePreLoginHook(username, LoginMethodTLSCertificate, ip, protocol, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
user, err := UserExists(username)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
|
|
// CheckUserAndTLSCert returns the SFTPGo user with the given username and check if the
|
|
// given TLS certificate allow authentication without password
|
|
func CheckUserAndTLSCert(username, ip, protocol string, tlsCert *x509.Certificate) (User, error) {
|
|
username = config.convertName(username)
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopeTLSCertificate) {
|
|
user, err := doPluginAuth(username, "", nil, ip, protocol, tlsCert, plugin.AuthScopeTLSCertificate)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndTLSCertificate(&user, protocol, tlsCert)
|
|
}
|
|
if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&8 != 0) {
|
|
user, err := doExternalAuth(username, "", nil, "", ip, protocol, tlsCert)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndTLSCertificate(&user, protocol, tlsCert)
|
|
}
|
|
if config.PreLoginHook != "" {
|
|
user, err := executePreLoginHook(username, LoginMethodTLSCertificate, ip, protocol, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndTLSCertificate(&user, protocol, tlsCert)
|
|
}
|
|
return provider.validateUserAndTLSCert(username, protocol, tlsCert)
|
|
}
|
|
|
|
// CheckUserAndPass retrieves the SFTPGo user with the given username and password if a match is found or an error
|
|
func CheckUserAndPass(username, password, ip, protocol string) (User, error) {
|
|
username = config.convertName(username)
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopePassword) {
|
|
user, err := doPluginAuth(username, password, nil, ip, protocol, nil, plugin.AuthScopePassword)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndPass(&user, password, ip, protocol)
|
|
}
|
|
if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&1 != 0) {
|
|
user, err := doExternalAuth(username, password, nil, "", ip, protocol, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndPass(&user, password, ip, protocol)
|
|
}
|
|
if config.PreLoginHook != "" {
|
|
user, err := executePreLoginHook(username, LoginMethodPassword, ip, protocol, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return checkUserAndPass(&user, password, ip, protocol)
|
|
}
|
|
return provider.validateUserAndPass(username, password, ip, protocol)
|
|
}
|
|
|
|
// CheckUserAndPubKey retrieves the SFTP user with the given username and public key if a match is found or an error
|
|
func CheckUserAndPubKey(username string, pubKey []byte, ip, protocol string, isSSHCert bool) (User, string, error) {
|
|
username = config.convertName(username)
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopePublicKey) {
|
|
user, err := doPluginAuth(username, "", pubKey, ip, protocol, nil, plugin.AuthScopePublicKey)
|
|
if err != nil {
|
|
return user, "", err
|
|
}
|
|
return checkUserAndPubKey(&user, pubKey, isSSHCert)
|
|
}
|
|
if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&2 != 0) {
|
|
user, err := doExternalAuth(username, "", pubKey, "", ip, protocol, nil)
|
|
if err != nil {
|
|
return user, "", err
|
|
}
|
|
return checkUserAndPubKey(&user, pubKey, isSSHCert)
|
|
}
|
|
if config.PreLoginHook != "" {
|
|
user, err := executePreLoginHook(username, SSHLoginMethodPublicKey, ip, protocol, nil)
|
|
if err != nil {
|
|
return user, "", err
|
|
}
|
|
return checkUserAndPubKey(&user, pubKey, isSSHCert)
|
|
}
|
|
return provider.validateUserAndPubKey(username, pubKey, isSSHCert)
|
|
}
|
|
|
|
// CheckKeyboardInteractiveAuth checks the keyboard interactive authentication and returns
|
|
// the authenticated user or an error
|
|
func CheckKeyboardInteractiveAuth(username, authHook string, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (User, error) {
|
|
var user User
|
|
var err error
|
|
username = config.convertName(username)
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopeKeyboardInteractive) {
|
|
user, err = doPluginAuth(username, "", nil, ip, protocol, nil, plugin.AuthScopeKeyboardInteractive)
|
|
} else if config.ExternalAuthHook != "" && (config.ExternalAuthScope == 0 || config.ExternalAuthScope&4 != 0) {
|
|
user, err = doExternalAuth(username, "", nil, "1", ip, protocol, nil)
|
|
} else if config.PreLoginHook != "" {
|
|
user, err = executePreLoginHook(username, SSHLoginMethodKeyboardInteractive, ip, protocol, nil)
|
|
} else {
|
|
user, err = provider.userExists(username)
|
|
}
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return doKeyboardInteractiveAuth(&user, authHook, client, ip, protocol)
|
|
}
|
|
|
|
// GetUserAfterIDPAuth returns the SFTPGo user with the specified username
|
|
// after a successful authentication with an external identity provider.
|
|
// If a pre-login hook is defined it will be executed so the SFTPGo user
|
|
// can be created if it does not exist
|
|
func GetUserAfterIDPAuth(username, ip, protocol string, oidcTokenFields *map[string]any) (User, error) {
|
|
var user User
|
|
var err error
|
|
if config.PreLoginHook != "" {
|
|
user, err = executePreLoginHook(username, LoginMethodIDP, ip, protocol, oidcTokenFields)
|
|
} else {
|
|
user, err = UserExists(username)
|
|
}
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
|
|
// GetDefenderHosts returns hosts that are banned or for which some violations have been detected
|
|
func GetDefenderHosts(from int64, limit int) ([]DefenderEntry, error) {
|
|
return provider.getDefenderHosts(from, limit)
|
|
}
|
|
|
|
// GetDefenderHostByIP returns a defender host by ip, if any
|
|
func GetDefenderHostByIP(ip string, from int64) (DefenderEntry, error) {
|
|
return provider.getDefenderHostByIP(ip, from)
|
|
}
|
|
|
|
// IsDefenderHostBanned returns a defender entry and no error if the specified host is banned
|
|
func IsDefenderHostBanned(ip string) (DefenderEntry, error) {
|
|
return provider.isDefenderHostBanned(ip)
|
|
}
|
|
|
|
// UpdateDefenderBanTime increments ban time for the specified ip
|
|
func UpdateDefenderBanTime(ip string, minutes int) error {
|
|
return provider.updateDefenderBanTime(ip, minutes)
|
|
}
|
|
|
|
// DeleteDefenderHost removes the specified IP from the defender lists
|
|
func DeleteDefenderHost(ip string) error {
|
|
return provider.deleteDefenderHost(ip)
|
|
}
|
|
|
|
// AddDefenderEvent adds an event for the given IP with the given score
|
|
// and returns the host with the updated score
|
|
func AddDefenderEvent(ip string, score int, from int64) (DefenderEntry, error) {
|
|
if err := provider.addDefenderEvent(ip, score); err != nil {
|
|
return DefenderEntry{}, err
|
|
}
|
|
return provider.getDefenderHostByIP(ip, from)
|
|
}
|
|
|
|
// SetDefenderBanTime sets the ban time for the specified IP
|
|
func SetDefenderBanTime(ip string, banTime int64) error {
|
|
return provider.setDefenderBanTime(ip, banTime)
|
|
}
|
|
|
|
// CleanupDefender removes events and hosts older than "from" from the data provider
|
|
func CleanupDefender(from int64) error {
|
|
return provider.cleanupDefender(from)
|
|
}
|
|
|
|
// UpdateShareLastUse updates the LastUseAt and UsedTokens for the given share
|
|
func UpdateShareLastUse(share *Share, numTokens int) error {
|
|
return provider.updateShareLastUse(share.ShareID, numTokens)
|
|
}
|
|
|
|
// UpdateAPIKeyLastUse updates the LastUseAt field for the given API key
|
|
func UpdateAPIKeyLastUse(apiKey *APIKey) error {
|
|
lastUse := util.GetTimeFromMsecSinceEpoch(apiKey.LastUseAt)
|
|
diff := -time.Until(lastUse)
|
|
if diff < 0 || diff > lastLoginMinDelay {
|
|
return provider.updateAPIKeyLastUse(apiKey.KeyID)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// UpdateLastLogin updates the last login field for the given SFTPGo user
|
|
func UpdateLastLogin(user *User) {
|
|
delay := lastLoginMinDelay
|
|
if user.Filters.ExternalAuthCacheTime > 0 {
|
|
delay = time.Duration(user.Filters.ExternalAuthCacheTime) * time.Second
|
|
}
|
|
if user.LastLogin <= user.UpdatedAt || !isLastActivityRecent(user.LastLogin, delay) {
|
|
err := provider.updateLastLogin(user.Username)
|
|
if err == nil {
|
|
webDAVUsersCache.updateLastLogin(user.Username)
|
|
}
|
|
}
|
|
}
|
|
|
|
// UpdateAdminLastLogin updates the last login field for the given SFTPGo admin
|
|
func UpdateAdminLastLogin(admin *Admin) {
|
|
if !isLastActivityRecent(admin.LastLogin, lastLoginMinDelay) {
|
|
provider.updateAdminLastLogin(admin.Username) //nolint:errcheck
|
|
}
|
|
}
|
|
|
|
// UpdateUserQuota updates the quota for the given SFTPGo 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(user *User, filesAdd int, sizeAdd int64, reset bool) error {
|
|
if config.TrackQuota == 0 {
|
|
return util.NewMethodDisabledError(trackQuotaDisabledError)
|
|
} else if config.TrackQuota == 2 && !reset && !user.HasQuotaRestrictions() {
|
|
return nil
|
|
}
|
|
if filesAdd == 0 && sizeAdd == 0 && !reset {
|
|
return nil
|
|
}
|
|
if config.DelayedQuotaUpdate == 0 || reset {
|
|
if reset {
|
|
delayedQuotaUpdater.resetUserQuota(user.Username)
|
|
}
|
|
return provider.updateQuota(user.Username, filesAdd, sizeAdd, reset)
|
|
}
|
|
delayedQuotaUpdater.updateUserQuota(user.Username, filesAdd, sizeAdd)
|
|
return nil
|
|
}
|
|
|
|
// UpdateVirtualFolderQuota updates the quota for the given virtual folder adding filesAdd and sizeAdd.
|
|
// If reset is true filesAdd and sizeAdd indicates the total files and the total size instead of the difference.
|
|
func UpdateVirtualFolderQuota(vfolder *vfs.BaseVirtualFolder, filesAdd int, sizeAdd int64, reset bool) error {
|
|
if config.TrackQuota == 0 {
|
|
return util.NewMethodDisabledError(trackQuotaDisabledError)
|
|
}
|
|
if filesAdd == 0 && sizeAdd == 0 && !reset {
|
|
return nil
|
|
}
|
|
if config.DelayedQuotaUpdate == 0 || reset {
|
|
if reset {
|
|
delayedQuotaUpdater.resetFolderQuota(vfolder.Name)
|
|
}
|
|
return provider.updateFolderQuota(vfolder.Name, filesAdd, sizeAdd, reset)
|
|
}
|
|
delayedQuotaUpdater.updateFolderQuota(vfolder.Name, filesAdd, sizeAdd)
|
|
return nil
|
|
}
|
|
|
|
// UpdateUserTransferQuota updates the transfer quota for the given SFTPGo user.
|
|
// If reset is true uploadSize and downloadSize indicates the actual sizes instead of the difference.
|
|
func UpdateUserTransferQuota(user *User, uploadSize, downloadSize int64, reset bool) error {
|
|
if config.TrackQuota == 0 {
|
|
return util.NewMethodDisabledError(trackQuotaDisabledError)
|
|
} else if config.TrackQuota == 2 && !reset && !user.HasTransferQuotaRestrictions() {
|
|
return nil
|
|
}
|
|
if downloadSize == 0 && uploadSize == 0 && !reset {
|
|
return nil
|
|
}
|
|
if config.DelayedQuotaUpdate == 0 || reset {
|
|
if reset {
|
|
delayedQuotaUpdater.resetUserTransferQuota(user.Username)
|
|
}
|
|
return provider.updateTransferQuota(user.Username, uploadSize, downloadSize, reset)
|
|
}
|
|
delayedQuotaUpdater.updateUserTransferQuota(user.Username, uploadSize, downloadSize)
|
|
return nil
|
|
}
|
|
|
|
// GetUsedQuota returns the used quota for the given SFTPGo user.
|
|
func GetUsedQuota(username string) (int, int64, int64, int64, error) {
|
|
if config.TrackQuota == 0 {
|
|
return 0, 0, 0, 0, util.NewMethodDisabledError(trackQuotaDisabledError)
|
|
}
|
|
files, size, ulTransferSize, dlTransferSize, err := provider.getUsedQuota(username)
|
|
if err != nil {
|
|
return files, size, ulTransferSize, dlTransferSize, err
|
|
}
|
|
delayedFiles, delayedSize := delayedQuotaUpdater.getUserPendingQuota(username)
|
|
delayedUlTransferSize, delayedDLTransferSize := delayedQuotaUpdater.getUserPendingTransferQuota(username)
|
|
|
|
return files + delayedFiles, size + delayedSize, ulTransferSize + delayedUlTransferSize,
|
|
dlTransferSize + delayedDLTransferSize, err
|
|
}
|
|
|
|
// GetUsedVirtualFolderQuota returns the used quota for the given virtual folder.
|
|
func GetUsedVirtualFolderQuota(name string) (int, int64, error) {
|
|
if config.TrackQuota == 0 {
|
|
return 0, 0, util.NewMethodDisabledError(trackQuotaDisabledError)
|
|
}
|
|
files, size, err := provider.getUsedFolderQuota(name)
|
|
if err != nil {
|
|
return files, size, err
|
|
}
|
|
delayedFiles, delayedSize := delayedQuotaUpdater.getFolderPendingQuota(name)
|
|
return files + delayedFiles, size + delayedSize, err
|
|
}
|
|
|
|
// AddShare adds a new share
|
|
func AddShare(share *Share, executor, ipAddress string) error {
|
|
err := provider.addShare(share)
|
|
if err == nil {
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectShare, share.ShareID, share)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateShare updates an existing share
|
|
func UpdateShare(share *Share, executor, ipAddress string) error {
|
|
err := provider.updateShare(share)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectShare, share.ShareID, share)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteShare deletes an existing share
|
|
func DeleteShare(shareID string, executor, ipAddress string) error {
|
|
share, err := provider.shareExists(shareID, executor)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.deleteShare(share)
|
|
if err == nil {
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectShare, shareID, &share)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// ShareExists returns the share with the given ID if it exists
|
|
func ShareExists(shareID, username string) (Share, error) {
|
|
if shareID == "" {
|
|
return Share{}, util.NewRecordNotFoundError(fmt.Sprintf("Share %#v does not exist", shareID))
|
|
}
|
|
return provider.shareExists(shareID, username)
|
|
}
|
|
|
|
// AddGroup adds a new group
|
|
func AddGroup(group *Group, executor, ipAddress string) error {
|
|
group.Name = config.convertName(group.Name)
|
|
err := provider.addGroup(group)
|
|
if err == nil {
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectGroup, group.Name, group)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateGroup updates an existing Group
|
|
func UpdateGroup(group *Group, users []string, executor, ipAddress string) error {
|
|
err := provider.updateGroup(group)
|
|
if err == nil {
|
|
for _, user := range users {
|
|
provider.setUpdatedAt(user)
|
|
u, err := provider.userExists(user)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(&u)
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, u.Username, &u)
|
|
} else {
|
|
RemoveCachedWebDAVUser(user)
|
|
}
|
|
}
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectGroup, group.Name, group)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteGroup deletes an existing Group
|
|
func DeleteGroup(name string, executor, ipAddress string) error {
|
|
name = config.convertName(name)
|
|
group, err := provider.groupExists(name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(group.Users) > 0 {
|
|
errorString := fmt.Sprintf("the group %#v is referenced, it cannot be removed", group.Name)
|
|
return util.NewValidationError(errorString)
|
|
}
|
|
err = provider.deleteGroup(group)
|
|
if err == nil {
|
|
for _, user := range group.Users {
|
|
provider.setUpdatedAt(user)
|
|
u, err := provider.userExists(user)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, u.Username, &u)
|
|
}
|
|
RemoveCachedWebDAVUser(user)
|
|
}
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectGroup, group.Name, &group)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// GroupExists returns the Group with the given name if it exists
|
|
func GroupExists(name string) (Group, error) {
|
|
name = config.convertName(name)
|
|
return provider.groupExists(name)
|
|
}
|
|
|
|
// AddAPIKey adds a new API key
|
|
func AddAPIKey(apiKey *APIKey, executor, ipAddress string) error {
|
|
err := provider.addAPIKey(apiKey)
|
|
if err == nil {
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectAPIKey, apiKey.KeyID, apiKey)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateAPIKey updates an existing API key
|
|
func UpdateAPIKey(apiKey *APIKey, executor, ipAddress string) error {
|
|
err := provider.updateAPIKey(apiKey)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectAPIKey, apiKey.KeyID, apiKey)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteAPIKey deletes an existing API key
|
|
func DeleteAPIKey(keyID string, executor, ipAddress string) error {
|
|
apiKey, err := provider.apiKeyExists(keyID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.deleteAPIKey(apiKey)
|
|
if err == nil {
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectAPIKey, apiKey.KeyID, &apiKey)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// APIKeyExists returns the API key with the given ID if it exists
|
|
func APIKeyExists(keyID string) (APIKey, error) {
|
|
if keyID == "" {
|
|
return APIKey{}, util.NewRecordNotFoundError(fmt.Sprintf("API key %#v does not exist", keyID))
|
|
}
|
|
return provider.apiKeyExists(keyID)
|
|
}
|
|
|
|
// HasAdmin returns true if the first admin has been created
|
|
// and so SFTPGo is ready to be used
|
|
func HasAdmin() bool {
|
|
return atomic.LoadInt32(&isAdminCreated) > 0
|
|
}
|
|
|
|
// AddAdmin adds a new SFTPGo admin
|
|
func AddAdmin(admin *Admin, executor, ipAddress string) error {
|
|
admin.Filters.RecoveryCodes = nil
|
|
admin.Filters.TOTPConfig = AdminTOTPConfig{
|
|
Enabled: false,
|
|
}
|
|
admin.Username = config.convertName(admin.Username)
|
|
err := provider.addAdmin(admin)
|
|
if err == nil {
|
|
atomic.StoreInt32(&isAdminCreated, 1)
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectAdmin, admin.Username, admin)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateAdmin updates an existing SFTPGo admin
|
|
func UpdateAdmin(admin *Admin, executor, ipAddress string) error {
|
|
err := provider.updateAdmin(admin)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectAdmin, admin.Username, admin)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteAdmin deletes an existing SFTPGo admin
|
|
func DeleteAdmin(username, executor, ipAddress string) error {
|
|
username = config.convertName(username)
|
|
admin, err := provider.adminExists(username)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.deleteAdmin(admin)
|
|
if err == nil {
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectAdmin, admin.Username, &admin)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// AdminExists returns the admin with the given username if it exists
|
|
func AdminExists(username string) (Admin, error) {
|
|
username = config.convertName(username)
|
|
return provider.adminExists(username)
|
|
}
|
|
|
|
// UserExists checks if the given SFTPGo username exists, returns an error if no match is found
|
|
func UserExists(username string) (User, error) {
|
|
username = config.convertName(username)
|
|
return provider.userExists(username)
|
|
}
|
|
|
|
// GetUserWithGroupSettings tries to return the user with the specified username
|
|
// loading also the group settings
|
|
func GetUserWithGroupSettings(username string) (User, error) {
|
|
username = config.convertName(username)
|
|
user, err := provider.userExists(username)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
return user, err
|
|
}
|
|
|
|
// GetUserVariants tries to return the user with the specified username with and without
|
|
// group settings applied
|
|
func GetUserVariants(username string) (User, User, error) {
|
|
username = config.convertName(username)
|
|
user, err := provider.userExists(username)
|
|
if err != nil {
|
|
return user, User{}, err
|
|
}
|
|
userWithGroupSettings := user.getACopy()
|
|
err = userWithGroupSettings.LoadAndApplyGroupSettings()
|
|
return user, userWithGroupSettings, err
|
|
}
|
|
|
|
// AddUser adds a new SFTPGo user.
|
|
func AddUser(user *User, executor, ipAddress string) error {
|
|
user.Filters.RecoveryCodes = nil
|
|
user.Filters.TOTPConfig = UserTOTPConfig{
|
|
Enabled: false,
|
|
}
|
|
user.Username = config.convertName(user.Username)
|
|
err := provider.addUser(user)
|
|
if err == nil {
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectUser, user.Username, user)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateUserPassword updates the user password
|
|
func UpdateUserPassword(username, plainPwd, executor, ipAddress string) error {
|
|
hashedPwd, err := hashPlainPassword(plainPwd)
|
|
if err != nil {
|
|
return util.NewGenericError(fmt.Sprintf("unable to set the new password: %v", err))
|
|
}
|
|
err = provider.updateUserPassword(username, hashedPwd)
|
|
if err != nil {
|
|
return util.NewGenericError(fmt.Sprintf("unable to set the new password: %v", err))
|
|
}
|
|
cachedPasswords.Remove(username)
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, username, &User{})
|
|
return nil
|
|
}
|
|
|
|
// UpdateUser updates an existing SFTPGo user.
|
|
func UpdateUser(user *User, executor, ipAddress string) error {
|
|
if user.groupSettingsApplied {
|
|
return errors.New("cannot save a user with group settings applied")
|
|
}
|
|
err := provider.updateUser(user)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(user)
|
|
cachedPasswords.Remove(user.Username)
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, user.Username, user)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteUser deletes an existing SFTPGo user.
|
|
func DeleteUser(username, executor, ipAddress string) error {
|
|
username = config.convertName(username)
|
|
user, err := provider.userExists(username)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.deleteUser(user)
|
|
if err == nil {
|
|
RemoveCachedWebDAVUser(user.Username)
|
|
delayedQuotaUpdater.resetUserQuota(username)
|
|
cachedPasswords.Remove(username)
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectUser, user.Username, &user)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// AddActiveTransfer stores the specified transfer
|
|
func AddActiveTransfer(transfer ActiveTransfer) {
|
|
if err := provider.addActiveTransfer(transfer); err != nil {
|
|
providerLog(logger.LevelError, "unable to add transfer id %v, connection id %v: %v",
|
|
transfer.ID, transfer.ConnID, err)
|
|
}
|
|
}
|
|
|
|
// UpdateActiveTransferSizes updates the current upload and download sizes for the specified transfer
|
|
func UpdateActiveTransferSizes(ulSize, dlSize, transferID int64, connectionID string) {
|
|
if err := provider.updateActiveTransferSizes(ulSize, dlSize, transferID, connectionID); err != nil {
|
|
providerLog(logger.LevelError, "unable to update sizes for transfer id %v, connection id %v: %v",
|
|
transferID, connectionID, err)
|
|
}
|
|
}
|
|
|
|
// RemoveActiveTransfer removes the specified transfer
|
|
func RemoveActiveTransfer(transferID int64, connectionID string) {
|
|
if err := provider.removeActiveTransfer(transferID, connectionID); err != nil {
|
|
providerLog(logger.LevelError, "unable to delete transfer id %v, connection id %v: %v",
|
|
transferID, connectionID, err)
|
|
}
|
|
}
|
|
|
|
// CleanupActiveTransfers removes the transfer before the specified time
|
|
func CleanupActiveTransfers(before time.Time) error {
|
|
err := provider.cleanupActiveTransfers(before)
|
|
if err == nil {
|
|
providerLog(logger.LevelDebug, "deleted active transfers updated before: %v", before)
|
|
} else {
|
|
providerLog(logger.LevelError, "error deleting active transfers updated before %v: %v", before, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// GetActiveTransfers retrieves the active transfers with an update time after the specified value
|
|
func GetActiveTransfers(from time.Time) ([]ActiveTransfer, error) {
|
|
return provider.getActiveTransfers(from)
|
|
}
|
|
|
|
// AddSharedSession stores a new session within the data provider
|
|
func AddSharedSession(session Session) error {
|
|
err := provider.addSharedSession(session)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to add shared session, key %#v, type: %v, err: %v",
|
|
session.Key, session.Type, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteSharedSession deletes the session with the specified key
|
|
func DeleteSharedSession(key string) error {
|
|
err := provider.deleteSharedSession(key)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to add shared session, key %#v, err: %v", key, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// GetSharedSession retrieves the session with the specified key
|
|
func GetSharedSession(key string) (Session, error) {
|
|
return provider.getSharedSession(key)
|
|
}
|
|
|
|
// CleanupSharedSessions removes the shared session with the specified type and
|
|
// before the specified time
|
|
func CleanupSharedSessions(sessionType SessionType, before time.Time) error {
|
|
err := provider.cleanupSharedSessions(sessionType, util.GetTimeAsMsSinceEpoch(before))
|
|
if err == nil {
|
|
providerLog(logger.LevelDebug, "deleted shared sessions before: %v, type: %v", before, sessionType)
|
|
} else {
|
|
providerLog(logger.LevelError, "error deleting shared session before %v, type %v: %v", before, sessionType, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// ReloadConfig reloads provider configuration.
|
|
// Currently only implemented for memory provider, allows to reload the users
|
|
// from the configured file, if defined
|
|
func ReloadConfig() error {
|
|
return provider.reloadConfig()
|
|
}
|
|
|
|
// GetShares returns an array of shares respecting limit and offset
|
|
func GetShares(limit, offset int, order, username string) ([]Share, error) {
|
|
return provider.getShares(limit, offset, order, username)
|
|
}
|
|
|
|
// GetAPIKeys returns an array of API keys respecting limit and offset
|
|
func GetAPIKeys(limit, offset int, order string) ([]APIKey, error) {
|
|
return provider.getAPIKeys(limit, offset, order)
|
|
}
|
|
|
|
// GetAdmins returns an array of admins respecting limit and offset
|
|
func GetAdmins(limit, offset int, order string) ([]Admin, error) {
|
|
return provider.getAdmins(limit, offset, order)
|
|
}
|
|
|
|
// GetGroups returns an array of groups respecting limit and offset
|
|
func GetGroups(limit, offset int, order string, minimal bool) ([]Group, error) {
|
|
return provider.getGroups(limit, offset, order, minimal)
|
|
}
|
|
|
|
// GetUsers returns an array of users respecting limit and offset
|
|
func GetUsers(limit, offset int, order string) ([]User, error) {
|
|
return provider.getUsers(limit, offset, order)
|
|
}
|
|
|
|
// GetUsersForQuotaCheck returns the users with the fields required for a quota check
|
|
func GetUsersForQuotaCheck(toFetch map[string]bool) ([]User, error) {
|
|
return provider.getUsersForQuotaCheck(toFetch)
|
|
}
|
|
|
|
// AddFolder adds a new virtual folder.
|
|
func AddFolder(folder *vfs.BaseVirtualFolder, executor, ipAddress string) error {
|
|
folder.Name = config.convertName(folder.Name)
|
|
err := provider.addFolder(folder)
|
|
if err == nil {
|
|
executeAction(operationAdd, executor, ipAddress, actionObjectFolder, folder.Name, &wrappedFolder{Folder: *folder})
|
|
}
|
|
return err
|
|
}
|
|
|
|
// UpdateFolder updates the specified virtual folder
|
|
func UpdateFolder(folder *vfs.BaseVirtualFolder, users []string, groups []string, executor, ipAddress string) error {
|
|
err := provider.updateFolder(folder)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectFolder, folder.Name, &wrappedFolder{Folder: *folder})
|
|
usersInGroups, errGrp := provider.getUsersInGroups(groups)
|
|
if errGrp == nil {
|
|
users = append(users, usersInGroups...)
|
|
users = util.RemoveDuplicates(users, false)
|
|
} else {
|
|
providerLog(logger.LevelWarn, "unable to get users in groups %+v: %v", groups, errGrp)
|
|
}
|
|
for _, user := range users {
|
|
provider.setUpdatedAt(user)
|
|
u, err := provider.userExists(user)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(&u)
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, u.Username, &u)
|
|
} else {
|
|
RemoveCachedWebDAVUser(user)
|
|
}
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
// DeleteFolder deletes an existing folder.
|
|
func DeleteFolder(folderName, executor, ipAddress string) error {
|
|
folderName = config.convertName(folderName)
|
|
folder, err := provider.getFolderByName(folderName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = provider.deleteFolder(folder)
|
|
if err == nil {
|
|
executeAction(operationDelete, executor, ipAddress, actionObjectFolder, folder.Name, &wrappedFolder{Folder: folder})
|
|
users := folder.Users
|
|
usersInGroups, errGrp := provider.getUsersInGroups(folder.Groups)
|
|
if errGrp == nil {
|
|
users = append(users, usersInGroups...)
|
|
users = util.RemoveDuplicates(users, false)
|
|
} else {
|
|
providerLog(logger.LevelWarn, "unable to get users in groups %+v: %v", folder.Groups, errGrp)
|
|
}
|
|
for _, user := range users {
|
|
provider.setUpdatedAt(user)
|
|
u, err := provider.userExists(user)
|
|
if err == nil {
|
|
executeAction(operationUpdate, executor, ipAddress, actionObjectUser, u.Username, &u)
|
|
}
|
|
RemoveCachedWebDAVUser(user)
|
|
}
|
|
delayedQuotaUpdater.resetFolderQuota(folderName)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// GetFolderByName returns the folder with the specified name if any
|
|
func GetFolderByName(name string) (vfs.BaseVirtualFolder, error) {
|
|
name = config.convertName(name)
|
|
return provider.getFolderByName(name)
|
|
}
|
|
|
|
// GetFolders returns an array of folders respecting limit and offset
|
|
func GetFolders(limit, offset int, order string, minimal bool) ([]vfs.BaseVirtualFolder, error) {
|
|
return provider.getFolders(limit, offset, order, minimal)
|
|
}
|
|
|
|
// DumpData returns all users, folders, admins, api keys, shares
|
|
func DumpData() (BackupData, error) {
|
|
var data BackupData
|
|
groups, err := provider.dumpGroups()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
users, err := provider.dumpUsers()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
folders, err := provider.dumpFolders()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
admins, err := provider.dumpAdmins()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
apiKeys, err := provider.dumpAPIKeys()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
shares, err := provider.dumpShares()
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
data.Users = users
|
|
data.Groups = groups
|
|
data.Folders = folders
|
|
data.Admins = admins
|
|
data.APIKeys = apiKeys
|
|
data.Shares = shares
|
|
data.Version = DumpVersion
|
|
return data, err
|
|
}
|
|
|
|
// ParseDumpData tries to parse data as BackupData
|
|
func ParseDumpData(data []byte) (BackupData, error) {
|
|
var dump BackupData
|
|
err := json.Unmarshal(data, &dump)
|
|
return dump, err
|
|
}
|
|
|
|
// GetProviderConfig returns the current provider configuration
|
|
func GetProviderConfig() Config {
|
|
return config
|
|
}
|
|
|
|
// GetProviderStatus returns an error if the provider is not available
|
|
func GetProviderStatus() ProviderStatus {
|
|
err := provider.checkAvailability()
|
|
status := ProviderStatus{
|
|
Driver: config.Driver,
|
|
}
|
|
if err == nil {
|
|
status.IsActive = true
|
|
} else {
|
|
status.IsActive = false
|
|
status.Error = err.Error()
|
|
}
|
|
return status
|
|
}
|
|
|
|
// Close releases all provider resources.
|
|
// This method is used in test cases.
|
|
// Closing an uninitialized provider is not supported
|
|
func Close() error {
|
|
stopScheduler()
|
|
return provider.close()
|
|
}
|
|
|
|
func createProvider(basePath string) error {
|
|
var err error
|
|
sqlPlaceholders = getSQLPlaceholders()
|
|
if err = validateSQLTablesPrefix(); err != nil {
|
|
return err
|
|
}
|
|
logSender = fmt.Sprintf("dataprovider_%v", config.Driver)
|
|
|
|
switch config.Driver {
|
|
case SQLiteDataProviderName:
|
|
return initializeSQLiteProvider(basePath)
|
|
case PGSQLDataProviderName, CockroachDataProviderName:
|
|
return initializePGSQLProvider()
|
|
case MySQLDataProviderName:
|
|
return initializeMySQLProvider()
|
|
case BoltDataProviderName:
|
|
return initializeBoltProvider(basePath)
|
|
case MemoryDataProviderName:
|
|
initializeMemoryProvider(basePath)
|
|
return nil
|
|
default:
|
|
return fmt.Errorf("unsupported data provider: %v", config.Driver)
|
|
}
|
|
}
|
|
|
|
func copyBaseUserFilters(in sdk.BaseUserFilters) sdk.BaseUserFilters {
|
|
filters := sdk.BaseUserFilters{}
|
|
filters.MaxUploadFileSize = in.MaxUploadFileSize
|
|
filters.TLSUsername = in.TLSUsername
|
|
filters.UserType = in.UserType
|
|
filters.AllowedIP = make([]string, len(in.AllowedIP))
|
|
copy(filters.AllowedIP, in.AllowedIP)
|
|
filters.DeniedIP = make([]string, len(in.DeniedIP))
|
|
copy(filters.DeniedIP, in.DeniedIP)
|
|
filters.DeniedLoginMethods = make([]string, len(in.DeniedLoginMethods))
|
|
copy(filters.DeniedLoginMethods, in.DeniedLoginMethods)
|
|
filters.FilePatterns = make([]sdk.PatternsFilter, len(in.FilePatterns))
|
|
copy(filters.FilePatterns, in.FilePatterns)
|
|
filters.DeniedProtocols = make([]string, len(in.DeniedProtocols))
|
|
copy(filters.DeniedProtocols, in.DeniedProtocols)
|
|
filters.TwoFactorAuthProtocols = make([]string, len(in.TwoFactorAuthProtocols))
|
|
copy(filters.TwoFactorAuthProtocols, in.TwoFactorAuthProtocols)
|
|
filters.Hooks.ExternalAuthDisabled = in.Hooks.ExternalAuthDisabled
|
|
filters.Hooks.PreLoginDisabled = in.Hooks.PreLoginDisabled
|
|
filters.Hooks.CheckPasswordDisabled = in.Hooks.CheckPasswordDisabled
|
|
filters.DisableFsChecks = in.DisableFsChecks
|
|
filters.StartDirectory = in.StartDirectory
|
|
filters.AllowAPIKeyAuth = in.AllowAPIKeyAuth
|
|
filters.ExternalAuthCacheTime = in.ExternalAuthCacheTime
|
|
filters.WebClient = make([]string, len(in.WebClient))
|
|
copy(filters.WebClient, in.WebClient)
|
|
filters.BandwidthLimits = make([]sdk.BandwidthLimit, 0, len(in.BandwidthLimits))
|
|
for _, limit := range in.BandwidthLimits {
|
|
bwLimit := sdk.BandwidthLimit{
|
|
UploadBandwidth: limit.UploadBandwidth,
|
|
DownloadBandwidth: limit.DownloadBandwidth,
|
|
Sources: make([]string, 0, len(limit.Sources)),
|
|
}
|
|
bwLimit.Sources = make([]string, len(limit.Sources))
|
|
copy(bwLimit.Sources, limit.Sources)
|
|
filters.BandwidthLimits = append(filters.BandwidthLimits, bwLimit)
|
|
}
|
|
filters.DataTransferLimits = make([]sdk.DataTransferLimit, 0, len(in.DataTransferLimits))
|
|
for _, limit := range in.DataTransferLimits {
|
|
dtLimit := sdk.DataTransferLimit{
|
|
UploadDataTransfer: limit.UploadDataTransfer,
|
|
DownloadDataTransfer: limit.DownloadDataTransfer,
|
|
TotalDataTransfer: limit.TotalDataTransfer,
|
|
Sources: make([]string, 0, len(limit.Sources)),
|
|
}
|
|
dtLimit.Sources = make([]string, len(limit.Sources))
|
|
copy(dtLimit.Sources, limit.Sources)
|
|
filters.DataTransferLimits = append(filters.DataTransferLimits, dtLimit)
|
|
}
|
|
return filters
|
|
}
|
|
|
|
func buildUserHomeDir(user *User) {
|
|
if user.HomeDir == "" {
|
|
if config.UsersBaseDir != "" {
|
|
user.HomeDir = filepath.Join(config.UsersBaseDir, user.Username)
|
|
return
|
|
}
|
|
switch user.FsConfig.Provider {
|
|
case sdk.SFTPFilesystemProvider, sdk.S3FilesystemProvider, sdk.AzureBlobFilesystemProvider, sdk.GCSFilesystemProvider:
|
|
if tempPath != "" {
|
|
user.HomeDir = filepath.Join(tempPath, user.Username)
|
|
} else {
|
|
user.HomeDir = filepath.Join(os.TempDir(), user.Username)
|
|
}
|
|
}
|
|
} else {
|
|
user.HomeDir = filepath.Clean(user.HomeDir)
|
|
}
|
|
}
|
|
|
|
func isVirtualDirOverlapped(dir1, dir2 string, fullCheck bool) bool {
|
|
if dir1 == dir2 {
|
|
return true
|
|
}
|
|
if fullCheck {
|
|
if len(dir1) > len(dir2) {
|
|
if strings.HasPrefix(dir1, dir2+"/") {
|
|
return true
|
|
}
|
|
}
|
|
if len(dir2) > len(dir1) {
|
|
if strings.HasPrefix(dir2, dir1+"/") {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func validateFolderQuotaLimits(folder vfs.VirtualFolder) error {
|
|
if folder.QuotaSize < -1 {
|
|
return util.NewValidationError(fmt.Sprintf("invalid quota_size: %v folder path %#v", folder.QuotaSize, folder.MappedPath))
|
|
}
|
|
if folder.QuotaFiles < -1 {
|
|
return util.NewValidationError(fmt.Sprintf("invalid quota_file: %v folder path %#v", folder.QuotaFiles, folder.MappedPath))
|
|
}
|
|
if (folder.QuotaSize == -1 && folder.QuotaFiles != -1) || (folder.QuotaFiles == -1 && folder.QuotaSize != -1) {
|
|
return util.NewValidationError(fmt.Sprintf("virtual folder quota_size and quota_files must be both -1 or >= 0, quota_size: %v quota_files: %v",
|
|
folder.QuotaFiles, folder.QuotaSize))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getVirtualFolderIfInvalid(folder *vfs.BaseVirtualFolder) *vfs.BaseVirtualFolder {
|
|
if err := ValidateFolder(folder); err == nil {
|
|
return folder
|
|
}
|
|
// we try to get the folder from the data provider if only the Name is populated
|
|
if folder.MappedPath != "" {
|
|
return folder
|
|
}
|
|
if folder.Name == "" {
|
|
return folder
|
|
}
|
|
if folder.FsConfig.Provider != sdk.LocalFilesystemProvider {
|
|
return folder
|
|
}
|
|
if f, err := GetFolderByName(folder.Name); err == nil {
|
|
return &f
|
|
}
|
|
return folder
|
|
}
|
|
|
|
func validateUserGroups(user *User) error {
|
|
if len(user.Groups) == 0 {
|
|
return nil
|
|
}
|
|
hasPrimary := false
|
|
groupNames := make(map[string]bool)
|
|
|
|
for _, g := range user.Groups {
|
|
if g.Type < sdk.GroupTypePrimary && g.Type > sdk.GroupTypeSecondary {
|
|
return util.NewValidationError(fmt.Sprintf("invalid group type: %v", g.Type))
|
|
}
|
|
if g.Type == sdk.GroupTypePrimary {
|
|
if hasPrimary {
|
|
return util.NewValidationError("only one primary group is allowed")
|
|
}
|
|
hasPrimary = true
|
|
}
|
|
if groupNames[g.Name] {
|
|
return util.NewValidationError(fmt.Sprintf("the group %#v is duplicated", g.Name))
|
|
}
|
|
groupNames[g.Name] = true
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateAssociatedVirtualFolders(vfolders []vfs.VirtualFolder) ([]vfs.VirtualFolder, error) {
|
|
if len(vfolders) == 0 {
|
|
return []vfs.VirtualFolder{}, nil
|
|
}
|
|
var virtualFolders []vfs.VirtualFolder
|
|
folderNames := make(map[string]bool)
|
|
|
|
for _, v := range vfolders {
|
|
if v.VirtualPath == "" {
|
|
return nil, util.NewValidationError("mount/virtual path is mandatory")
|
|
}
|
|
cleanedVPath := util.CleanPath(v.VirtualPath)
|
|
if err := validateFolderQuotaLimits(v); err != nil {
|
|
return nil, err
|
|
}
|
|
folder := getVirtualFolderIfInvalid(&v.BaseVirtualFolder)
|
|
if err := ValidateFolder(folder); err != nil {
|
|
return nil, err
|
|
}
|
|
if folderNames[folder.Name] {
|
|
return nil, util.NewValidationError(fmt.Sprintf("the folder %#v is duplicated", folder.Name))
|
|
}
|
|
for _, vFolder := range virtualFolders {
|
|
if isVirtualDirOverlapped(vFolder.VirtualPath, cleanedVPath, false) {
|
|
return nil, util.NewValidationError(fmt.Sprintf("invalid virtual folder %#v, it overlaps with virtual folder %#v",
|
|
v.VirtualPath, vFolder.VirtualPath))
|
|
}
|
|
}
|
|
virtualFolders = append(virtualFolders, vfs.VirtualFolder{
|
|
BaseVirtualFolder: *folder,
|
|
VirtualPath: cleanedVPath,
|
|
QuotaSize: v.QuotaSize,
|
|
QuotaFiles: v.QuotaFiles,
|
|
})
|
|
folderNames[folder.Name] = true
|
|
}
|
|
return virtualFolders, nil
|
|
}
|
|
|
|
func validateUserTOTPConfig(c *UserTOTPConfig, username string) error {
|
|
if !c.Enabled {
|
|
c.ConfigName = ""
|
|
c.Secret = kms.NewEmptySecret()
|
|
c.Protocols = nil
|
|
return nil
|
|
}
|
|
if c.ConfigName == "" {
|
|
return util.NewValidationError("totp: config name is mandatory")
|
|
}
|
|
if !util.Contains(mfa.GetAvailableTOTPConfigNames(), c.ConfigName) {
|
|
return util.NewValidationError(fmt.Sprintf("totp: config name %#v not found", c.ConfigName))
|
|
}
|
|
if c.Secret.IsEmpty() {
|
|
return util.NewValidationError("totp: secret is mandatory")
|
|
}
|
|
if c.Secret.IsPlain() {
|
|
c.Secret.SetAdditionalData(username)
|
|
if err := c.Secret.Encrypt(); err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("totp: unable to encrypt secret: %v", err))
|
|
}
|
|
}
|
|
if len(c.Protocols) == 0 {
|
|
return util.NewValidationError("totp: specify at least one protocol")
|
|
}
|
|
for _, protocol := range c.Protocols {
|
|
if !util.Contains(MFAProtocols, protocol) {
|
|
return util.NewValidationError(fmt.Sprintf("totp: invalid protocol %#v", protocol))
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateUserRecoveryCodes(user *User) error {
|
|
for i := 0; i < len(user.Filters.RecoveryCodes); i++ {
|
|
code := &user.Filters.RecoveryCodes[i]
|
|
if code.Secret.IsEmpty() {
|
|
return util.NewValidationError("mfa: recovery code cannot be empty")
|
|
}
|
|
if code.Secret.IsPlain() {
|
|
code.Secret.SetAdditionalData(user.Username)
|
|
if err := code.Secret.Encrypt(); err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("mfa: unable to encrypt recovery code: %v", err))
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateUserPermissions(permsToCheck map[string][]string) (map[string][]string, error) {
|
|
permissions := make(map[string][]string)
|
|
for dir, perms := range permsToCheck {
|
|
if len(perms) == 0 && dir == "/" {
|
|
return permissions, util.NewValidationError(fmt.Sprintf("no permissions granted for the directory: %#v", dir))
|
|
}
|
|
if len(perms) > len(ValidPerms) {
|
|
return permissions, util.NewValidationError("invalid permissions")
|
|
}
|
|
for _, p := range perms {
|
|
if !util.Contains(ValidPerms, p) {
|
|
return permissions, util.NewValidationError(fmt.Sprintf("invalid permission: %#v", p))
|
|
}
|
|
}
|
|
cleanedDir := filepath.ToSlash(path.Clean(dir))
|
|
if cleanedDir != "/" {
|
|
cleanedDir = strings.TrimSuffix(cleanedDir, "/")
|
|
}
|
|
if !path.IsAbs(cleanedDir) {
|
|
return permissions, util.NewValidationError(fmt.Sprintf("cannot set permissions for non absolute path: %#v", dir))
|
|
}
|
|
if dir != cleanedDir && cleanedDir == "/" {
|
|
return permissions, util.NewValidationError(fmt.Sprintf("cannot set permissions for invalid subdirectory: %#v is an alias for \"/\"", dir))
|
|
}
|
|
if util.Contains(perms, PermAny) {
|
|
permissions[cleanedDir] = []string{PermAny}
|
|
} else {
|
|
permissions[cleanedDir] = util.RemoveDuplicates(perms, false)
|
|
}
|
|
}
|
|
|
|
return permissions, nil
|
|
}
|
|
|
|
func validatePermissions(user *User) error {
|
|
if len(user.Permissions) == 0 {
|
|
return util.NewValidationError("please grant some permissions to this user")
|
|
}
|
|
if _, ok := user.Permissions["/"]; !ok {
|
|
return util.NewValidationError("permissions for the root dir \"/\" must be set")
|
|
}
|
|
permissions, err := validateUserPermissions(user.Permissions)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
user.Permissions = permissions
|
|
return nil
|
|
}
|
|
|
|
func validatePublicKeys(user *User) error {
|
|
if len(user.PublicKeys) == 0 {
|
|
user.PublicKeys = []string{}
|
|
}
|
|
var validatedKeys []string
|
|
for i, k := range user.PublicKeys {
|
|
if k == "" {
|
|
continue
|
|
}
|
|
_, _, _, _, err := ssh.ParseAuthorizedKey([]byte(k))
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("could not parse key nr. %d: %s", i+1, err))
|
|
}
|
|
validatedKeys = append(validatedKeys, k)
|
|
}
|
|
user.PublicKeys = util.RemoveDuplicates(validatedKeys, false)
|
|
return nil
|
|
}
|
|
|
|
func validateFiltersPatternExtensions(baseFilters *sdk.BaseUserFilters) error {
|
|
if len(baseFilters.FilePatterns) == 0 {
|
|
baseFilters.FilePatterns = []sdk.PatternsFilter{}
|
|
return nil
|
|
}
|
|
filteredPaths := []string{}
|
|
var filters []sdk.PatternsFilter
|
|
for _, f := range baseFilters.FilePatterns {
|
|
cleanedPath := filepath.ToSlash(path.Clean(f.Path))
|
|
if !path.IsAbs(cleanedPath) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid path %#v for file patterns filter", f.Path))
|
|
}
|
|
if util.Contains(filteredPaths, cleanedPath) {
|
|
return util.NewValidationError(fmt.Sprintf("duplicate file patterns filter for path %#v", f.Path))
|
|
}
|
|
if len(f.AllowedPatterns) == 0 && len(f.DeniedPatterns) == 0 {
|
|
return util.NewValidationError(fmt.Sprintf("empty file patterns filter for path %#v", f.Path))
|
|
}
|
|
if f.DenyPolicy < sdk.DenyPolicyDefault || f.DenyPolicy > sdk.DenyPolicyHide {
|
|
return util.NewValidationError(fmt.Sprintf("invalid deny policy %v for path %#v", f.DenyPolicy, f.Path))
|
|
}
|
|
f.Path = cleanedPath
|
|
allowed := make([]string, 0, len(f.AllowedPatterns))
|
|
denied := make([]string, 0, len(f.DeniedPatterns))
|
|
for _, pattern := range f.AllowedPatterns {
|
|
_, err := path.Match(pattern, "abc")
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("invalid file pattern filter %#v", pattern))
|
|
}
|
|
allowed = append(allowed, strings.ToLower(pattern))
|
|
}
|
|
for _, pattern := range f.DeniedPatterns {
|
|
_, err := path.Match(pattern, "abc")
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("invalid file pattern filter %#v", pattern))
|
|
}
|
|
denied = append(denied, strings.ToLower(pattern))
|
|
}
|
|
f.AllowedPatterns = util.RemoveDuplicates(allowed, false)
|
|
f.DeniedPatterns = util.RemoveDuplicates(denied, false)
|
|
filters = append(filters, f)
|
|
filteredPaths = append(filteredPaths, cleanedPath)
|
|
}
|
|
baseFilters.FilePatterns = filters
|
|
return nil
|
|
}
|
|
|
|
func checkEmptyFiltersStruct(filters *sdk.BaseUserFilters) {
|
|
if len(filters.AllowedIP) == 0 {
|
|
filters.AllowedIP = []string{}
|
|
}
|
|
if len(filters.DeniedIP) == 0 {
|
|
filters.DeniedIP = []string{}
|
|
}
|
|
if len(filters.DeniedLoginMethods) == 0 {
|
|
filters.DeniedLoginMethods = []string{}
|
|
}
|
|
if len(filters.DeniedProtocols) == 0 {
|
|
filters.DeniedProtocols = []string{}
|
|
}
|
|
}
|
|
|
|
func validateIPFilters(filters *sdk.BaseUserFilters) error {
|
|
filters.DeniedIP = util.RemoveDuplicates(filters.DeniedIP, false)
|
|
for _, IPMask := range filters.DeniedIP {
|
|
_, _, err := net.ParseCIDR(IPMask)
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("could not parse denied IP/Mask %#v: %v", IPMask, err))
|
|
}
|
|
}
|
|
filters.AllowedIP = util.RemoveDuplicates(filters.AllowedIP, false)
|
|
for _, IPMask := range filters.AllowedIP {
|
|
_, _, err := net.ParseCIDR(IPMask)
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("could not parse allowed IP/Mask %#v: %v", IPMask, err))
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateBandwidthLimit(bl sdk.BandwidthLimit) error {
|
|
if len(bl.Sources) == 0 {
|
|
return util.NewValidationError("no bandwidth limit source specified")
|
|
}
|
|
for _, source := range bl.Sources {
|
|
_, _, err := net.ParseCIDR(source)
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("could not parse bandwidth limit source %#v: %v", source, err))
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateBandwidthLimitsFilter(filters *sdk.BaseUserFilters) error {
|
|
for idx, bandwidthLimit := range filters.BandwidthLimits {
|
|
if err := validateBandwidthLimit(bandwidthLimit); err != nil {
|
|
return err
|
|
}
|
|
if bandwidthLimit.DownloadBandwidth < 0 {
|
|
filters.BandwidthLimits[idx].DownloadBandwidth = 0
|
|
}
|
|
if bandwidthLimit.UploadBandwidth < 0 {
|
|
filters.BandwidthLimits[idx].UploadBandwidth = 0
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateTransferLimitsFilter(filters *sdk.BaseUserFilters) error {
|
|
for idx, limit := range filters.DataTransferLimits {
|
|
filters.DataTransferLimits[idx].Sources = util.RemoveDuplicates(limit.Sources, false)
|
|
if len(limit.Sources) == 0 {
|
|
return util.NewValidationError("no data transfer limit source specified")
|
|
}
|
|
for _, source := range limit.Sources {
|
|
_, _, err := net.ParseCIDR(source)
|
|
if err != nil {
|
|
return util.NewValidationError(fmt.Sprintf("could not parse data transfer limit source %#v: %v", source, err))
|
|
}
|
|
}
|
|
if limit.TotalDataTransfer > 0 {
|
|
filters.DataTransferLimits[idx].UploadDataTransfer = 0
|
|
filters.DataTransferLimits[idx].DownloadDataTransfer = 0
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func updateFiltersValues(filters *sdk.BaseUserFilters) {
|
|
if filters.StartDirectory != "" {
|
|
filters.StartDirectory = util.CleanPath(filters.StartDirectory)
|
|
if filters.StartDirectory == "/" {
|
|
filters.StartDirectory = ""
|
|
}
|
|
}
|
|
}
|
|
|
|
func validateFilterProtocols(filters *sdk.BaseUserFilters) error {
|
|
if len(filters.DeniedProtocols) >= len(ValidProtocols) {
|
|
return util.NewValidationError("invalid denied_protocols")
|
|
}
|
|
for _, p := range filters.DeniedProtocols {
|
|
if !util.Contains(ValidProtocols, p) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid denied protocol %#v", p))
|
|
}
|
|
}
|
|
|
|
for _, p := range filters.TwoFactorAuthProtocols {
|
|
if !util.Contains(MFAProtocols, p) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid two factor protocol %#v", p))
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validateBaseFilters(filters *sdk.BaseUserFilters) error {
|
|
checkEmptyFiltersStruct(filters)
|
|
if err := validateIPFilters(filters); err != nil {
|
|
return err
|
|
}
|
|
if err := validateBandwidthLimitsFilter(filters); err != nil {
|
|
return err
|
|
}
|
|
if err := validateTransferLimitsFilter(filters); err != nil {
|
|
return err
|
|
}
|
|
if len(filters.DeniedLoginMethods) >= len(ValidLoginMethods) {
|
|
return util.NewValidationError("invalid denied_login_methods")
|
|
}
|
|
for _, loginMethod := range filters.DeniedLoginMethods {
|
|
if !util.Contains(ValidLoginMethods, loginMethod) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid login method: %#v", loginMethod))
|
|
}
|
|
}
|
|
if err := validateFilterProtocols(filters); err != nil {
|
|
return err
|
|
}
|
|
if filters.TLSUsername != "" {
|
|
if !util.Contains(validTLSUsernames, string(filters.TLSUsername)) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid TLS username: %#v", filters.TLSUsername))
|
|
}
|
|
}
|
|
for _, opts := range filters.WebClient {
|
|
if !util.Contains(sdk.WebClientOptions, opts) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid web client options %#v", opts))
|
|
}
|
|
}
|
|
updateFiltersValues(filters)
|
|
|
|
return validateFiltersPatternExtensions(filters)
|
|
}
|
|
|
|
func validateBaseParams(user *User) error {
|
|
if user.Username == "" {
|
|
return util.NewValidationError("username is mandatory")
|
|
}
|
|
if user.Email != "" && !util.IsEmailValid(user.Email) {
|
|
return util.NewValidationError(fmt.Sprintf("email %#v is not valid", user.Email))
|
|
}
|
|
if config.NamingRules&1 == 0 && !usernameRegex.MatchString(user.Username) {
|
|
return util.NewValidationError(fmt.Sprintf("username %#v is not valid, the following characters are allowed: a-zA-Z0-9-_.~",
|
|
user.Username))
|
|
}
|
|
if user.hasRedactedSecret() {
|
|
return util.NewValidationError("cannot save a user with a redacted secret")
|
|
}
|
|
if user.HomeDir == "" {
|
|
return util.NewValidationError("home_dir is mandatory")
|
|
}
|
|
// we can have users with no passwords and public keys, they can authenticate via SSH user certs or OIDC
|
|
/*if user.Password == "" && len(user.PublicKeys) == 0 {
|
|
return util.NewValidationError("please set a password or at least a public_key")
|
|
}*/
|
|
if !filepath.IsAbs(user.HomeDir) {
|
|
return util.NewValidationError(fmt.Sprintf("home_dir must be an absolute path, actual value: %v", user.HomeDir))
|
|
}
|
|
if user.DownloadBandwidth < 0 {
|
|
user.DownloadBandwidth = 0
|
|
}
|
|
if user.UploadBandwidth < 0 {
|
|
user.UploadBandwidth = 0
|
|
}
|
|
if user.TotalDataTransfer > 0 {
|
|
// if a total data transfer is defined we reset the separate upload and download limits
|
|
user.UploadDataTransfer = 0
|
|
user.DownloadDataTransfer = 0
|
|
}
|
|
return user.FsConfig.Validate(user.GetEncryptionAdditionalData())
|
|
}
|
|
|
|
func hashPlainPassword(plainPwd string) (string, error) {
|
|
if config.PasswordHashing.Algo == HashingAlgoBcrypt {
|
|
pwd, err := bcrypt.GenerateFromPassword([]byte(plainPwd), config.PasswordHashing.BcryptOptions.Cost)
|
|
if err != nil {
|
|
return "", fmt.Errorf("bcrypt hashing error: %w", err)
|
|
}
|
|
return string(pwd), nil
|
|
}
|
|
pwd, err := argon2id.CreateHash(plainPwd, argon2Params)
|
|
if err != nil {
|
|
return "", fmt.Errorf("argon2ID hashing error: %w", err)
|
|
}
|
|
return pwd, nil
|
|
}
|
|
|
|
func createUserPasswordHash(user *User) error {
|
|
if user.Password != "" && !user.IsPasswordHashed() {
|
|
if config.PasswordValidation.Users.MinEntropy > 0 {
|
|
if err := passwordvalidator.Validate(user.Password, config.PasswordValidation.Users.MinEntropy); err != nil {
|
|
return util.NewValidationError(err.Error())
|
|
}
|
|
}
|
|
hashedPwd, err := hashPlainPassword(user.Password)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
user.Password = hashedPwd
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ValidateFolder returns an error if the folder is not valid
|
|
// FIXME: this should be defined as Folder struct method
|
|
func ValidateFolder(folder *vfs.BaseVirtualFolder) error {
|
|
folder.FsConfig.SetEmptySecretsIfNil()
|
|
if folder.Name == "" {
|
|
return util.NewValidationError("folder name is mandatory")
|
|
}
|
|
if config.NamingRules&1 == 0 && !usernameRegex.MatchString(folder.Name) {
|
|
return util.NewValidationError(fmt.Sprintf("folder name %#v is not valid, the following characters are allowed: a-zA-Z0-9-_.~",
|
|
folder.Name))
|
|
}
|
|
if folder.FsConfig.Provider == sdk.LocalFilesystemProvider || folder.FsConfig.Provider == sdk.CryptedFilesystemProvider ||
|
|
folder.MappedPath != "" {
|
|
cleanedMPath := filepath.Clean(folder.MappedPath)
|
|
if !filepath.IsAbs(cleanedMPath) {
|
|
return util.NewValidationError(fmt.Sprintf("invalid folder mapped path %#v", folder.MappedPath))
|
|
}
|
|
folder.MappedPath = cleanedMPath
|
|
}
|
|
if folder.HasRedactedSecret() {
|
|
return errors.New("cannot save a folder with a redacted secret")
|
|
}
|
|
return folder.FsConfig.Validate(folder.GetEncryptionAdditionalData())
|
|
}
|
|
|
|
// ValidateUser returns an error if the user is not valid
|
|
// FIXME: this should be defined as User struct method
|
|
func ValidateUser(user *User) error {
|
|
user.OIDCCustomFields = nil
|
|
user.SetEmptySecretsIfNil()
|
|
buildUserHomeDir(user)
|
|
if err := validateBaseParams(user); err != nil {
|
|
return err
|
|
}
|
|
if err := validateUserGroups(user); err != nil {
|
|
return err
|
|
}
|
|
if err := validatePermissions(user); err != nil {
|
|
return err
|
|
}
|
|
if err := validateUserTOTPConfig(&user.Filters.TOTPConfig, user.Username); err != nil {
|
|
return err
|
|
}
|
|
if err := validateUserRecoveryCodes(user); err != nil {
|
|
return err
|
|
}
|
|
vfolders, err := validateAssociatedVirtualFolders(user.VirtualFolders)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
user.VirtualFolders = vfolders
|
|
if user.Status < 0 || user.Status > 1 {
|
|
return util.NewValidationError(fmt.Sprintf("invalid user status: %v", user.Status))
|
|
}
|
|
if err := createUserPasswordHash(user); err != nil {
|
|
return err
|
|
}
|
|
if err := validatePublicKeys(user); err != nil {
|
|
return err
|
|
}
|
|
if err := validateBaseFilters(&user.Filters.BaseUserFilters); err != nil {
|
|
return err
|
|
}
|
|
if !user.HasExternalAuth() {
|
|
user.Filters.ExternalAuthCacheTime = 0
|
|
}
|
|
if user.Filters.TOTPConfig.Enabled && util.Contains(user.Filters.WebClient, sdk.WebClientMFADisabled) {
|
|
return util.NewValidationError("two-factor authentication cannot be disabled for a user with an active configuration")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func isPasswordOK(user *User, password string) (bool, error) {
|
|
if config.PasswordCaching {
|
|
found, match := cachedPasswords.Check(user.Username, password)
|
|
if found {
|
|
return match, nil
|
|
}
|
|
}
|
|
|
|
match := false
|
|
updatePwd := true
|
|
var err error
|
|
if strings.HasPrefix(user.Password, bcryptPwdPrefix) {
|
|
if err = bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
|
|
return match, ErrInvalidCredentials
|
|
}
|
|
match = true
|
|
updatePwd = config.PasswordHashing.Algo != HashingAlgoBcrypt
|
|
} else if strings.HasPrefix(user.Password, argonPwdPrefix) {
|
|
match, err = argon2id.ComparePasswordAndHash(password, user.Password)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error comparing password with argon hash: %v", err)
|
|
return match, err
|
|
}
|
|
updatePwd = config.PasswordHashing.Algo != HashingAlgoArgon2ID
|
|
} else if util.IsStringPrefixInSlice(user.Password, pbkdfPwdPrefixes) {
|
|
match, err = comparePbkdf2PasswordAndHash(password, user.Password)
|
|
if err != nil {
|
|
return match, err
|
|
}
|
|
} else if util.IsStringPrefixInSlice(user.Password, unixPwdPrefixes) {
|
|
match, err = compareUnixPasswordAndHash(user, password)
|
|
if err != nil {
|
|
return match, err
|
|
}
|
|
} else if strings.HasPrefix(user.Password, md5LDAPPwdPrefix) {
|
|
h := md5.New()
|
|
h.Write([]byte(password))
|
|
match = fmt.Sprintf("%s%x", md5LDAPPwdPrefix, h.Sum(nil)) == user.Password
|
|
}
|
|
if err == nil && match {
|
|
cachedPasswords.Add(user.Username, password)
|
|
if updatePwd {
|
|
convertUserPassword(user.Username, password)
|
|
}
|
|
}
|
|
return match, err
|
|
}
|
|
|
|
func convertUserPassword(username, plainPwd string) {
|
|
hashedPwd, err := hashPlainPassword(plainPwd)
|
|
if err == nil {
|
|
err = provider.updateUserPassword(username, hashedPwd)
|
|
}
|
|
if err != nil {
|
|
providerLog(logger.LevelWarn, "unable to convert password for user %s: %v", username, err)
|
|
} else {
|
|
providerLog(logger.LevelDebug, "password converted for user %s", username)
|
|
}
|
|
}
|
|
|
|
func checkUserAndTLSCertificate(user *User, protocol string, tlsCert *x509.Certificate) (User, error) {
|
|
err := user.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
err = user.CheckLoginConditions()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
switch protocol {
|
|
case protocolFTP, protocolWebDAV:
|
|
if user.Filters.TLSUsername == sdk.TLSUsernameCN {
|
|
if user.Username == tlsCert.Subject.CommonName {
|
|
return *user, nil
|
|
}
|
|
return *user, fmt.Errorf("CN %#v does not match username %#v", tlsCert.Subject.CommonName, user.Username)
|
|
}
|
|
return *user, errors.New("TLS certificate is not valid")
|
|
default:
|
|
return *user, fmt.Errorf("certificate authentication is not supported for protocol %v", protocol)
|
|
}
|
|
}
|
|
|
|
func checkUserAndPass(user *User, password, ip, protocol string) (User, error) {
|
|
err := user.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
err = user.CheckLoginConditions()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
password, err = checkUserPasscode(user, password, protocol)
|
|
if err != nil {
|
|
return *user, ErrInvalidCredentials
|
|
}
|
|
if user.Password == "" {
|
|
return *user, errors.New("credentials cannot be null or empty")
|
|
}
|
|
if !user.Filters.Hooks.CheckPasswordDisabled {
|
|
hookResponse, err := executeCheckPasswordHook(user.Username, password, ip, protocol)
|
|
if err != nil {
|
|
providerLog(logger.LevelDebug, "error executing check password hook for user %#v, ip %v, protocol %v: %v",
|
|
user.Username, ip, protocol, err)
|
|
return *user, errors.New("unable to check credentials")
|
|
}
|
|
switch hookResponse.Status {
|
|
case -1:
|
|
// no hook configured
|
|
case 1:
|
|
providerLog(logger.LevelDebug, "password accepted by check password hook for user %#v, ip %v, protocol %v",
|
|
user.Username, ip, protocol)
|
|
return *user, nil
|
|
case 2:
|
|
providerLog(logger.LevelDebug, "partial success from check password hook for user %#v, ip %v, protocol %v",
|
|
user.Username, ip, protocol)
|
|
password = hookResponse.ToVerify
|
|
default:
|
|
providerLog(logger.LevelDebug, "password rejected by check password hook for user %#v, ip %v, protocol %v, status: %v",
|
|
user.Username, ip, protocol, hookResponse.Status)
|
|
return *user, ErrInvalidCredentials
|
|
}
|
|
}
|
|
|
|
match, err := isPasswordOK(user, password)
|
|
if !match {
|
|
err = ErrInvalidCredentials
|
|
}
|
|
return *user, err
|
|
}
|
|
|
|
func checkUserPasscode(user *User, password, protocol string) (string, error) {
|
|
if user.Filters.TOTPConfig.Enabled {
|
|
switch protocol {
|
|
case protocolFTP:
|
|
if util.Contains(user.Filters.TOTPConfig.Protocols, protocol) {
|
|
// the TOTP passcode has six digits
|
|
pwdLen := len(password)
|
|
if pwdLen < 7 {
|
|
providerLog(logger.LevelDebug, "password len %v is too short to contain a passcode, user %#v, protocol %v",
|
|
pwdLen, user.Username, protocol)
|
|
return "", util.NewValidationError("password too short, cannot contain the passcode")
|
|
}
|
|
err := user.Filters.TOTPConfig.Secret.TryDecrypt()
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to decrypt TOTP secret for user %#v, protocol %v, err: %v",
|
|
user.Username, protocol, err)
|
|
return "", err
|
|
}
|
|
pwd := password[0:(pwdLen - 6)]
|
|
passcode := password[(pwdLen - 6):]
|
|
match, err := mfa.ValidateTOTPPasscode(user.Filters.TOTPConfig.ConfigName, passcode,
|
|
user.Filters.TOTPConfig.Secret.GetPayload())
|
|
if !match || err != nil {
|
|
providerLog(logger.LevelWarn, "invalid passcode for user %#v, protocol %v, err: %v",
|
|
user.Username, protocol, err)
|
|
return "", util.NewValidationError("invalid passcode")
|
|
}
|
|
return pwd, nil
|
|
}
|
|
}
|
|
}
|
|
return password, nil
|
|
}
|
|
|
|
func checkUserAndPubKey(user *User, pubKey []byte, isSSHCert bool) (User, string, error) {
|
|
err := user.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return *user, "", err
|
|
}
|
|
err = user.CheckLoginConditions()
|
|
if err != nil {
|
|
return *user, "", err
|
|
}
|
|
if isSSHCert {
|
|
return *user, "", nil
|
|
}
|
|
if len(user.PublicKeys) == 0 {
|
|
return *user, "", ErrInvalidCredentials
|
|
}
|
|
for i, k := range user.PublicKeys {
|
|
storedPubKey, comment, _, _, err := ssh.ParseAuthorizedKey([]byte(k))
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error parsing stored public key %d for user %s: %v", i, user.Username, err)
|
|
return *user, "", err
|
|
}
|
|
if bytes.Equal(storedPubKey.Marshal(), pubKey) {
|
|
return *user, fmt.Sprintf("%s:%s", ssh.FingerprintSHA256(storedPubKey), comment), nil
|
|
}
|
|
}
|
|
return *user, "", ErrInvalidCredentials
|
|
}
|
|
|
|
func compareUnixPasswordAndHash(user *User, password string) (bool, error) {
|
|
var crypter crypt.Crypter
|
|
if strings.HasPrefix(user.Password, sha512cryptPwdPrefix) {
|
|
crypter = sha512_crypt.New()
|
|
} else if strings.HasPrefix(user.Password, md5cryptPwdPrefix) {
|
|
crypter = md5_crypt.New()
|
|
} else if strings.HasPrefix(user.Password, md5cryptApr1PwdPrefix) {
|
|
crypter = apr1_crypt.New()
|
|
} else {
|
|
return false, errors.New("unix crypt: invalid or unsupported hash format")
|
|
}
|
|
if err := crypter.Verify(user.Password, []byte(password)); err != nil {
|
|
return false, err
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
func comparePbkdf2PasswordAndHash(password, hashedPassword string) (bool, error) {
|
|
vals := strings.Split(hashedPassword, "$")
|
|
if len(vals) != 5 {
|
|
return false, fmt.Errorf("pbkdf2: hash is not in the correct format")
|
|
}
|
|
iterations, err := strconv.Atoi(vals[2])
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
expected, err := base64.StdEncoding.DecodeString(vals[4])
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
var salt []byte
|
|
if util.IsStringPrefixInSlice(hashedPassword, pbkdfPwdB64SaltPrefixes) {
|
|
salt, err = base64.StdEncoding.DecodeString(vals[3])
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
} else {
|
|
salt = []byte(vals[3])
|
|
}
|
|
var hashFunc func() hash.Hash
|
|
if strings.HasPrefix(hashedPassword, pbkdf2SHA256Prefix) || strings.HasPrefix(hashedPassword, pbkdf2SHA256B64SaltPrefix) {
|
|
hashFunc = sha256.New
|
|
} else if strings.HasPrefix(hashedPassword, pbkdf2SHA512Prefix) {
|
|
hashFunc = sha512.New
|
|
} else if strings.HasPrefix(hashedPassword, pbkdf2SHA1Prefix) {
|
|
hashFunc = sha1.New
|
|
} else {
|
|
return false, fmt.Errorf("pbkdf2: invalid or unsupported hash format %v", vals[1])
|
|
}
|
|
df := pbkdf2.Key([]byte(password), salt, iterations, len(expected), hashFunc)
|
|
return subtle.ConstantTimeCompare(df, expected) == 1, nil
|
|
}
|
|
|
|
func getSSLMode() string {
|
|
if config.Driver == PGSQLDataProviderName || config.Driver == CockroachDataProviderName {
|
|
switch config.SSLMode {
|
|
case 0:
|
|
return "disable"
|
|
case 1:
|
|
return "require"
|
|
case 2:
|
|
return "verify-ca"
|
|
case 3:
|
|
return "verify-full"
|
|
}
|
|
} else if config.Driver == MySQLDataProviderName {
|
|
if config.requireCustomTLSForMySQL() {
|
|
return "custom"
|
|
}
|
|
switch config.SSLMode {
|
|
case 0:
|
|
return "false"
|
|
case 1:
|
|
return "true"
|
|
case 2:
|
|
return "skip-verify"
|
|
case 3:
|
|
return "preferred"
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func terminateInteractiveAuthProgram(cmd *exec.Cmd, isFinished bool) {
|
|
if isFinished {
|
|
return
|
|
}
|
|
providerLog(logger.LevelInfo, "kill interactive auth program after an unexpected error")
|
|
err := cmd.Process.Kill()
|
|
if err != nil {
|
|
providerLog(logger.LevelDebug, "error killing interactive auth program: %v", err)
|
|
}
|
|
}
|
|
|
|
func sendKeyboardAuthHTTPReq(url string, request *plugin.KeyboardAuthRequest) (*plugin.KeyboardAuthResponse, error) {
|
|
reqAsJSON, err := json.Marshal(request)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error serializing keyboard interactive auth request: %v", err)
|
|
return nil, err
|
|
}
|
|
resp, err := httpclient.Post(url, "application/json", bytes.NewBuffer(reqAsJSON))
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error getting keyboard interactive auth hook HTTP response: %v", err)
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, fmt.Errorf("wrong keyboard interactive auth http status code: %v, expected 200", resp.StatusCode)
|
|
}
|
|
var response plugin.KeyboardAuthResponse
|
|
err = render.DecodeJSON(resp.Body, &response)
|
|
return &response, err
|
|
}
|
|
|
|
func doBuiltinKeyboardInteractiveAuth(user *User, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (int, error) {
|
|
answers, err := client("", "", []string{"Password: "}, []bool{false})
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
if len(answers) != 1 {
|
|
return 0, fmt.Errorf("unexpected number of answers: %v", len(answers))
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
_, err = checkUserAndPass(user, answers[0], ip, protocol)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
if !user.Filters.TOTPConfig.Enabled || !util.Contains(user.Filters.TOTPConfig.Protocols, protocolSSH) {
|
|
return 1, nil
|
|
}
|
|
err = user.Filters.TOTPConfig.Secret.TryDecrypt()
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to decrypt TOTP secret for user %#v, protocol %v, err: %v",
|
|
user.Username, protocol, err)
|
|
return 0, err
|
|
}
|
|
answers, err = client("", "", []string{"Authentication code: "}, []bool{false})
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
if len(answers) != 1 {
|
|
return 0, fmt.Errorf("unexpected number of answers: %v", len(answers))
|
|
}
|
|
match, err := mfa.ValidateTOTPPasscode(user.Filters.TOTPConfig.ConfigName, answers[0],
|
|
user.Filters.TOTPConfig.Secret.GetPayload())
|
|
if !match || err != nil {
|
|
providerLog(logger.LevelWarn, "invalid passcode for user %#v, protocol %v, err: %v",
|
|
user.Username, protocol, err)
|
|
return 0, util.NewValidationError("invalid passcode")
|
|
}
|
|
return 1, nil
|
|
}
|
|
|
|
func executeKeyboardInteractivePlugin(user *User, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (int, error) {
|
|
authResult := 0
|
|
requestID := xid.New().String()
|
|
authStep := 1
|
|
req := &plugin.KeyboardAuthRequest{
|
|
Username: user.Username,
|
|
IP: ip,
|
|
Password: user.Password,
|
|
RequestID: requestID,
|
|
Step: authStep,
|
|
}
|
|
var response *plugin.KeyboardAuthResponse
|
|
var err error
|
|
for {
|
|
response, err = plugin.Handler.ExecuteKeyboardInteractiveStep(req)
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
if response.AuthResult != 0 {
|
|
return response.AuthResult, err
|
|
}
|
|
if err = response.Validate(); err != nil {
|
|
providerLog(logger.LevelInfo, "invalid response from keyboard interactive plugin: %v", err)
|
|
return authResult, err
|
|
}
|
|
answers, err := getKeyboardInteractiveAnswers(client, response, user, ip, protocol)
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
authStep++
|
|
req = &plugin.KeyboardAuthRequest{
|
|
RequestID: requestID,
|
|
Step: authStep,
|
|
Username: user.Username,
|
|
Password: user.Password,
|
|
Answers: answers,
|
|
Questions: response.Questions,
|
|
}
|
|
}
|
|
}
|
|
|
|
func executeKeyboardInteractiveHTTPHook(user *User, authHook string, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (int, error) {
|
|
authResult := 0
|
|
requestID := xid.New().String()
|
|
authStep := 1
|
|
req := &plugin.KeyboardAuthRequest{
|
|
Username: user.Username,
|
|
IP: ip,
|
|
Password: user.Password,
|
|
RequestID: requestID,
|
|
Step: authStep,
|
|
}
|
|
var response *plugin.KeyboardAuthResponse
|
|
var err error
|
|
for {
|
|
response, err = sendKeyboardAuthHTTPReq(authHook, req)
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
if response.AuthResult != 0 {
|
|
return response.AuthResult, err
|
|
}
|
|
if err = response.Validate(); err != nil {
|
|
providerLog(logger.LevelInfo, "invalid response from keyboard interactive http hook: %v", err)
|
|
return authResult, err
|
|
}
|
|
answers, err := getKeyboardInteractiveAnswers(client, response, user, ip, protocol)
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
authStep++
|
|
req = &plugin.KeyboardAuthRequest{
|
|
RequestID: requestID,
|
|
Step: authStep,
|
|
Username: user.Username,
|
|
Password: user.Password,
|
|
Answers: answers,
|
|
Questions: response.Questions,
|
|
}
|
|
}
|
|
}
|
|
|
|
func getKeyboardInteractiveAnswers(client ssh.KeyboardInteractiveChallenge, response *plugin.KeyboardAuthResponse,
|
|
user *User, ip, protocol string,
|
|
) ([]string, error) {
|
|
questions := response.Questions
|
|
answers, err := client("", response.Instruction, questions, response.Echos)
|
|
if err != nil {
|
|
providerLog(logger.LevelInfo, "error getting interactive auth client response: %v", err)
|
|
return answers, err
|
|
}
|
|
if len(answers) != len(questions) {
|
|
err = fmt.Errorf("client answers does not match questions, expected: %v actual: %v", questions, answers)
|
|
providerLog(logger.LevelInfo, "keyboard interactive auth error: %v", err)
|
|
return answers, err
|
|
}
|
|
if len(answers) == 1 && response.CheckPwd > 0 {
|
|
if response.CheckPwd == 2 {
|
|
if !user.Filters.TOTPConfig.Enabled || !util.Contains(user.Filters.TOTPConfig.Protocols, protocolSSH) {
|
|
providerLog(logger.LevelInfo, "keyboard interactive auth error: unable to check TOTP passcode, TOTP is not enabled for user %#v",
|
|
user.Username)
|
|
return answers, errors.New("TOTP not enabled for SSH protocol")
|
|
}
|
|
err := user.Filters.TOTPConfig.Secret.TryDecrypt()
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to decrypt TOTP secret for user %#v, protocol %v, err: %v",
|
|
user.Username, protocol, err)
|
|
return answers, fmt.Errorf("unable to decrypt TOTP secret: %w", err)
|
|
}
|
|
match, err := mfa.ValidateTOTPPasscode(user.Filters.TOTPConfig.ConfigName, answers[0],
|
|
user.Filters.TOTPConfig.Secret.GetPayload())
|
|
if !match || err != nil {
|
|
providerLog(logger.LevelInfo, "keyboard interactive auth error: unable to validate passcode for user %#v, match? %v, err: %v",
|
|
user.Username, match, err)
|
|
return answers, errors.New("unable to validate TOTP passcode")
|
|
}
|
|
} else {
|
|
_, err = checkUserAndPass(user, answers[0], ip, protocol)
|
|
providerLog(logger.LevelInfo, "interactive auth hook requested password validation for user %#v, validation error: %v",
|
|
user.Username, err)
|
|
if err != nil {
|
|
return answers, err
|
|
}
|
|
}
|
|
answers[0] = "OK"
|
|
}
|
|
return answers, err
|
|
}
|
|
|
|
func handleProgramInteractiveQuestions(client ssh.KeyboardInteractiveChallenge, response *plugin.KeyboardAuthResponse,
|
|
user *User, stdin io.WriteCloser, ip, protocol string,
|
|
) error {
|
|
answers, err := getKeyboardInteractiveAnswers(client, response, user, ip, protocol)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, answer := range answers {
|
|
if runtime.GOOS == "windows" {
|
|
answer += "\r"
|
|
}
|
|
answer += "\n"
|
|
_, err = stdin.Write([]byte(answer))
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "unable to write client answer to keyboard interactive program: %v", err)
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func executeKeyboardInteractiveProgram(user *User, authHook string, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (int, error) {
|
|
authResult := 0
|
|
timeout, env := command.GetConfig(authHook)
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|
defer cancel()
|
|
|
|
cmd := exec.CommandContext(ctx, authHook)
|
|
cmd.Env = append(env,
|
|
fmt.Sprintf("SFTPGO_AUTHD_USERNAME=%v", user.Username),
|
|
fmt.Sprintf("SFTPGO_AUTHD_IP=%v", ip),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PASSWORD=%v", user.Password))
|
|
stdout, err := cmd.StdoutPipe()
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
stdin, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
err = cmd.Start()
|
|
if err != nil {
|
|
return authResult, err
|
|
}
|
|
var once sync.Once
|
|
scanner := bufio.NewScanner(stdout)
|
|
for scanner.Scan() {
|
|
var response plugin.KeyboardAuthResponse
|
|
err = json.Unmarshal(scanner.Bytes(), &response)
|
|
if err != nil {
|
|
providerLog(logger.LevelInfo, "interactive auth error parsing response: %v", err)
|
|
once.Do(func() { terminateInteractiveAuthProgram(cmd, false) })
|
|
break
|
|
}
|
|
if response.AuthResult != 0 {
|
|
authResult = response.AuthResult
|
|
break
|
|
}
|
|
if err = response.Validate(); err != nil {
|
|
providerLog(logger.LevelInfo, "invalid response from keyboard interactive program: %v", err)
|
|
once.Do(func() { terminateInteractiveAuthProgram(cmd, false) })
|
|
break
|
|
}
|
|
go func() {
|
|
err := handleProgramInteractiveQuestions(client, &response, user, stdin, ip, protocol)
|
|
if err != nil {
|
|
once.Do(func() { terminateInteractiveAuthProgram(cmd, false) })
|
|
}
|
|
}()
|
|
}
|
|
stdin.Close()
|
|
once.Do(func() { terminateInteractiveAuthProgram(cmd, true) })
|
|
go func() {
|
|
_, err := cmd.Process.Wait()
|
|
if err != nil {
|
|
providerLog(logger.LevelWarn, "error waiting for #%v process to exit: %v", authHook, err)
|
|
}
|
|
}()
|
|
|
|
return authResult, err
|
|
}
|
|
|
|
func doKeyboardInteractiveAuth(user *User, authHook string, client ssh.KeyboardInteractiveChallenge, ip, protocol string) (User, error) {
|
|
var authResult int
|
|
var err error
|
|
if plugin.Handler.HasAuthScope(plugin.AuthScopeKeyboardInteractive) {
|
|
authResult, err = executeKeyboardInteractivePlugin(user, client, ip, protocol)
|
|
} else if authHook != "" {
|
|
if strings.HasPrefix(authHook, "http") {
|
|
authResult, err = executeKeyboardInteractiveHTTPHook(user, authHook, client, ip, protocol)
|
|
} else {
|
|
authResult, err = executeKeyboardInteractiveProgram(user, authHook, client, ip, protocol)
|
|
}
|
|
} else {
|
|
authResult, err = doBuiltinKeyboardInteractiveAuth(user, client, ip, protocol)
|
|
}
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
if authResult != 1 {
|
|
return *user, fmt.Errorf("keyboard interactive auth failed, result: %v", authResult)
|
|
}
|
|
err = user.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
err = user.CheckLoginConditions()
|
|
if err != nil {
|
|
return *user, err
|
|
}
|
|
return *user, nil
|
|
}
|
|
|
|
func isCheckPasswordHookDefined(protocol string) bool {
|
|
if config.CheckPasswordHook == "" {
|
|
return false
|
|
}
|
|
if config.CheckPasswordScope == 0 {
|
|
return true
|
|
}
|
|
switch protocol {
|
|
case protocolSSH:
|
|
return config.CheckPasswordScope&1 != 0
|
|
case protocolFTP:
|
|
return config.CheckPasswordScope&2 != 0
|
|
case protocolWebDAV:
|
|
return config.CheckPasswordScope&4 != 0
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func getPasswordHookResponse(username, password, ip, protocol string) ([]byte, error) {
|
|
if strings.HasPrefix(config.CheckPasswordHook, "http") {
|
|
var result []byte
|
|
req := checkPasswordRequest{
|
|
Username: username,
|
|
Password: password,
|
|
IP: ip,
|
|
Protocol: protocol,
|
|
}
|
|
reqAsJSON, err := json.Marshal(req)
|
|
if err != nil {
|
|
return result, err
|
|
}
|
|
resp, err := httpclient.Post(config.CheckPasswordHook, "application/json", bytes.NewBuffer(reqAsJSON))
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error getting check password hook response: %v", err)
|
|
return result, err
|
|
}
|
|
defer resp.Body.Close()
|
|
if resp.StatusCode != http.StatusOK {
|
|
return result, fmt.Errorf("wrong http status code from chek password hook: %v, expected 200", resp.StatusCode)
|
|
}
|
|
return io.ReadAll(io.LimitReader(resp.Body, maxHookResponseSize))
|
|
}
|
|
timeout, env := command.GetConfig(config.CheckPasswordHook)
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|
defer cancel()
|
|
|
|
cmd := exec.CommandContext(ctx, config.CheckPasswordHook)
|
|
cmd.Env = append(env,
|
|
fmt.Sprintf("SFTPGO_AUTHD_USERNAME=%v", username),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PASSWORD=%v", password),
|
|
fmt.Sprintf("SFTPGO_AUTHD_IP=%v", ip),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PROTOCOL=%v", protocol),
|
|
)
|
|
return cmd.Output()
|
|
}
|
|
|
|
func executeCheckPasswordHook(username, password, ip, protocol string) (checkPasswordResponse, error) {
|
|
var response checkPasswordResponse
|
|
|
|
if !isCheckPasswordHookDefined(protocol) {
|
|
response.Status = -1
|
|
return response, nil
|
|
}
|
|
|
|
startTime := time.Now()
|
|
out, err := getPasswordHookResponse(username, password, ip, protocol)
|
|
providerLog(logger.LevelDebug, "check password hook executed, error: %v, elapsed: %v", err, time.Since(startTime))
|
|
if err != nil {
|
|
return response, err
|
|
}
|
|
err = json.Unmarshal(out, &response)
|
|
return response, err
|
|
}
|
|
|
|
func getPreLoginHookResponse(loginMethod, ip, protocol string, userAsJSON []byte) ([]byte, error) {
|
|
if strings.HasPrefix(config.PreLoginHook, "http") {
|
|
var url *url.URL
|
|
var result []byte
|
|
url, err := url.Parse(config.PreLoginHook)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "invalid url for pre-login hook %#v, error: %v", config.PreLoginHook, err)
|
|
return result, err
|
|
}
|
|
q := url.Query()
|
|
q.Add("login_method", loginMethod)
|
|
q.Add("ip", ip)
|
|
q.Add("protocol", protocol)
|
|
url.RawQuery = q.Encode()
|
|
|
|
resp, err := httpclient.Post(url.String(), "application/json", bytes.NewBuffer(userAsJSON))
|
|
if err != nil {
|
|
providerLog(logger.LevelWarn, "error getting pre-login hook response: %v", err)
|
|
return result, err
|
|
}
|
|
defer resp.Body.Close()
|
|
if resp.StatusCode == http.StatusNoContent {
|
|
return result, nil
|
|
}
|
|
if resp.StatusCode != http.StatusOK {
|
|
return result, fmt.Errorf("wrong pre-login hook http status code: %v, expected 200", resp.StatusCode)
|
|
}
|
|
return io.ReadAll(io.LimitReader(resp.Body, maxHookResponseSize))
|
|
}
|
|
timeout, env := command.GetConfig(config.PreLoginHook)
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|
defer cancel()
|
|
|
|
cmd := exec.CommandContext(ctx, config.PreLoginHook)
|
|
cmd.Env = append(env,
|
|
fmt.Sprintf("SFTPGO_LOGIND_USER=%v", string(userAsJSON)),
|
|
fmt.Sprintf("SFTPGO_LOGIND_METHOD=%v", loginMethod),
|
|
fmt.Sprintf("SFTPGO_LOGIND_IP=%v", ip),
|
|
fmt.Sprintf("SFTPGO_LOGIND_PROTOCOL=%v", protocol),
|
|
)
|
|
return cmd.Output()
|
|
}
|
|
|
|
func executePreLoginHook(username, loginMethod, ip, protocol string, oidcTokenFields *map[string]any) (User, error) {
|
|
u, mergedUser, userAsJSON, err := getUserAndJSONForHook(username, oidcTokenFields)
|
|
if err != nil {
|
|
return u, err
|
|
}
|
|
if mergedUser.Filters.Hooks.PreLoginDisabled {
|
|
return u, nil
|
|
}
|
|
startTime := time.Now()
|
|
out, err := getPreLoginHookResponse(loginMethod, ip, protocol, userAsJSON)
|
|
if err != nil {
|
|
return u, fmt.Errorf("pre-login hook error: %v, username %#v, ip %v, protocol %v elapsed %v",
|
|
err, username, ip, protocol, time.Since(startTime))
|
|
}
|
|
providerLog(logger.LevelDebug, "pre-login hook completed, elapsed: %v", time.Since(startTime))
|
|
if util.IsByteArrayEmpty(out) {
|
|
providerLog(logger.LevelDebug, "empty response from pre-login hook, no modification requested for user %#v id: %v",
|
|
username, u.ID)
|
|
if u.ID == 0 {
|
|
return u, util.NewRecordNotFoundError(fmt.Sprintf("username %#v does not exist", username))
|
|
}
|
|
return u, nil
|
|
}
|
|
|
|
userID := u.ID
|
|
userPwd := u.Password
|
|
userUsedQuotaSize := u.UsedQuotaSize
|
|
userUsedQuotaFiles := u.UsedQuotaFiles
|
|
userUsedDownloadTransfer := u.UsedDownloadDataTransfer
|
|
userUsedUploadTransfer := u.UsedUploadDataTransfer
|
|
userLastQuotaUpdate := u.LastQuotaUpdate
|
|
userLastLogin := u.LastLogin
|
|
userCreatedAt := u.CreatedAt
|
|
totpConfig := u.Filters.TOTPConfig
|
|
recoveryCodes := u.Filters.RecoveryCodes
|
|
err = json.Unmarshal(out, &u)
|
|
if err != nil {
|
|
return u, fmt.Errorf("invalid pre-login hook response %#v, error: %v", string(out), err)
|
|
}
|
|
u.ID = userID
|
|
u.UsedQuotaSize = userUsedQuotaSize
|
|
u.UsedQuotaFiles = userUsedQuotaFiles
|
|
u.UsedUploadDataTransfer = userUsedUploadTransfer
|
|
u.UsedDownloadDataTransfer = userUsedDownloadTransfer
|
|
u.LastQuotaUpdate = userLastQuotaUpdate
|
|
u.LastLogin = userLastLogin
|
|
u.CreatedAt = userCreatedAt
|
|
if userID == 0 {
|
|
err = provider.addUser(&u)
|
|
} else {
|
|
u.UpdatedAt = util.GetTimeAsMsSinceEpoch(time.Now())
|
|
// preserve TOTP config and recovery codes
|
|
u.Filters.TOTPConfig = totpConfig
|
|
u.Filters.RecoveryCodes = recoveryCodes
|
|
err = provider.updateUser(&u)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(&u)
|
|
if u.Password != userPwd {
|
|
cachedPasswords.Remove(username)
|
|
}
|
|
}
|
|
}
|
|
if err != nil {
|
|
return u, err
|
|
}
|
|
providerLog(logger.LevelDebug, "user %#v added/updated from pre-login hook response, id: %v", username, userID)
|
|
if userID == 0 {
|
|
return provider.userExists(username)
|
|
}
|
|
return u, nil
|
|
}
|
|
|
|
// ExecutePostLoginHook executes the post login hook if defined
|
|
func ExecutePostLoginHook(user *User, loginMethod, ip, protocol string, err error) {
|
|
if config.PostLoginHook == "" {
|
|
return
|
|
}
|
|
if config.PostLoginScope == 1 && err == nil {
|
|
return
|
|
}
|
|
if config.PostLoginScope == 2 && err != nil {
|
|
return
|
|
}
|
|
|
|
go func() {
|
|
status := "0"
|
|
if err == nil {
|
|
status = "1"
|
|
}
|
|
|
|
user.PrepareForRendering()
|
|
userAsJSON, err := json.Marshal(user)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error serializing user in post login hook: %v", err)
|
|
return
|
|
}
|
|
if strings.HasPrefix(config.PostLoginHook, "http") {
|
|
var url *url.URL
|
|
url, err := url.Parse(config.PostLoginHook)
|
|
if err != nil {
|
|
providerLog(logger.LevelDebug, "Invalid post-login hook %#v", config.PostLoginHook)
|
|
return
|
|
}
|
|
q := url.Query()
|
|
q.Add("login_method", loginMethod)
|
|
q.Add("ip", ip)
|
|
q.Add("protocol", protocol)
|
|
q.Add("status", status)
|
|
url.RawQuery = q.Encode()
|
|
|
|
startTime := time.Now()
|
|
respCode := 0
|
|
resp, err := httpclient.RetryablePost(url.String(), "application/json", bytes.NewBuffer(userAsJSON))
|
|
if err == nil {
|
|
respCode = resp.StatusCode
|
|
resp.Body.Close()
|
|
}
|
|
providerLog(logger.LevelDebug, "post login hook executed for user %#v, ip %v, protocol %v, response code: %v, elapsed: %v err: %v",
|
|
user.Username, ip, protocol, respCode, time.Since(startTime), err)
|
|
return
|
|
}
|
|
timeout, env := command.GetConfig(config.PostLoginHook)
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|
defer cancel()
|
|
|
|
cmd := exec.CommandContext(ctx, config.PostLoginHook)
|
|
cmd.Env = append(env,
|
|
fmt.Sprintf("SFTPGO_LOGIND_USER=%v", string(userAsJSON)),
|
|
fmt.Sprintf("SFTPGO_LOGIND_IP=%v", ip),
|
|
fmt.Sprintf("SFTPGO_LOGIND_METHOD=%v", loginMethod),
|
|
fmt.Sprintf("SFTPGO_LOGIND_STATUS=%v", status),
|
|
fmt.Sprintf("SFTPGO_LOGIND_PROTOCOL=%v", protocol))
|
|
startTime := time.Now()
|
|
err = cmd.Run()
|
|
providerLog(logger.LevelDebug, "post login hook executed for user %#v, ip %v, protocol %v, elapsed %v err: %v",
|
|
user.Username, ip, protocol, time.Since(startTime), err)
|
|
}()
|
|
}
|
|
|
|
func getExternalAuthResponse(username, password, pkey, keyboardInteractive, ip, protocol string, cert *x509.Certificate,
|
|
user User,
|
|
) ([]byte, error) {
|
|
var tlsCert string
|
|
if cert != nil {
|
|
var err error
|
|
tlsCert, err = util.EncodeTLSCertToPem(cert)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
if strings.HasPrefix(config.ExternalAuthHook, "http") {
|
|
var result []byte
|
|
authRequest := make(map[string]any)
|
|
authRequest["username"] = username
|
|
authRequest["ip"] = ip
|
|
authRequest["password"] = password
|
|
authRequest["public_key"] = pkey
|
|
authRequest["protocol"] = protocol
|
|
authRequest["keyboard_interactive"] = keyboardInteractive
|
|
authRequest["tls_cert"] = tlsCert
|
|
if user.ID > 0 {
|
|
authRequest["user"] = user
|
|
}
|
|
authRequestAsJSON, err := json.Marshal(authRequest)
|
|
if err != nil {
|
|
providerLog(logger.LevelError, "error serializing external auth request: %v", err)
|
|
return result, err
|
|
}
|
|
resp, err := httpclient.Post(config.ExternalAuthHook, "application/json", bytes.NewBuffer(authRequestAsJSON))
|
|
if err != nil {
|
|
providerLog(logger.LevelWarn, "error getting external auth hook HTTP response: %v", err)
|
|
return result, err
|
|
}
|
|
defer resp.Body.Close()
|
|
providerLog(logger.LevelDebug, "external auth hook executed, response code: %v", resp.StatusCode)
|
|
if resp.StatusCode != http.StatusOK {
|
|
return result, fmt.Errorf("wrong external auth http status code: %v, expected 200", resp.StatusCode)
|
|
}
|
|
|
|
return io.ReadAll(io.LimitReader(resp.Body, maxHookResponseSize))
|
|
}
|
|
var userAsJSON []byte
|
|
var err error
|
|
if user.ID > 0 {
|
|
userAsJSON, err = json.Marshal(user)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("unable to serialize user as JSON: %w", err)
|
|
}
|
|
}
|
|
timeout, env := command.GetConfig(config.ExternalAuthHook)
|
|
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
|
defer cancel()
|
|
|
|
cmd := exec.CommandContext(ctx, config.ExternalAuthHook)
|
|
cmd.Env = append(env,
|
|
fmt.Sprintf("SFTPGO_AUTHD_USERNAME=%v", username),
|
|
fmt.Sprintf("SFTPGO_AUTHD_USER=%v", string(userAsJSON)),
|
|
fmt.Sprintf("SFTPGO_AUTHD_IP=%v", ip),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PASSWORD=%v", password),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PUBLIC_KEY=%v", pkey),
|
|
fmt.Sprintf("SFTPGO_AUTHD_PROTOCOL=%v", protocol),
|
|
fmt.Sprintf("SFTPGO_AUTHD_TLS_CERT=%v", strings.ReplaceAll(tlsCert, "\n", "\\n")),
|
|
fmt.Sprintf("SFTPGO_AUTHD_KEYBOARD_INTERACTIVE=%v", keyboardInteractive))
|
|
return cmd.Output()
|
|
}
|
|
|
|
func updateUserFromExtAuthResponse(user *User, password, pkey string) {
|
|
if password != "" {
|
|
user.Password = password
|
|
}
|
|
if pkey != "" && !util.IsStringPrefixInSlice(pkey, user.PublicKeys) {
|
|
user.PublicKeys = append(user.PublicKeys, pkey)
|
|
}
|
|
}
|
|
|
|
func doExternalAuth(username, password string, pubKey []byte, keyboardInteractive, ip, protocol string,
|
|
tlsCert *x509.Certificate,
|
|
) (User, error) {
|
|
var user User
|
|
|
|
u, mergedUser, err := getUserForHook(username, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
|
|
if mergedUser.Filters.Hooks.ExternalAuthDisabled {
|
|
return u, nil
|
|
}
|
|
|
|
if mergedUser.isExternalAuthCached() {
|
|
return u, nil
|
|
}
|
|
|
|
pkey, err := util.GetSSHPublicKeyAsString(pubKey)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
|
|
startTime := time.Now()
|
|
out, err := getExternalAuthResponse(username, password, pkey, keyboardInteractive, ip, protocol, tlsCert, u)
|
|
if err != nil {
|
|
return user, fmt.Errorf("external auth error for user %#v: %v, elapsed: %v", username, err, time.Since(startTime))
|
|
}
|
|
providerLog(logger.LevelDebug, "external auth completed for user %#v, elapsed: %v", username, time.Since(startTime))
|
|
if util.IsByteArrayEmpty(out) {
|
|
providerLog(logger.LevelDebug, "empty response from external hook, no modification requested for user %#v id: %v",
|
|
username, u.ID)
|
|
if u.ID == 0 {
|
|
return u, util.NewRecordNotFoundError(fmt.Sprintf("username %#v does not exist", username))
|
|
}
|
|
return u, nil
|
|
}
|
|
err = json.Unmarshal(out, &user)
|
|
if err != nil {
|
|
return user, fmt.Errorf("invalid external auth response: %v", err)
|
|
}
|
|
// an empty username means authentication failure
|
|
if user.Username == "" {
|
|
return user, ErrInvalidCredentials
|
|
}
|
|
updateUserFromExtAuthResponse(&user, password, pkey)
|
|
// some users want to map multiple login usernames with a single SFTPGo account
|
|
// for example an SFTP user logins using "user1" or "user2" and the external auth
|
|
// returns "user" in both cases, so we use the username returned from
|
|
// external auth and not the one used to login
|
|
if user.Username != username {
|
|
u, err = provider.userExists(user.Username)
|
|
}
|
|
if u.ID > 0 && err == nil {
|
|
user.ID = u.ID
|
|
user.UsedQuotaSize = u.UsedQuotaSize
|
|
user.UsedQuotaFiles = u.UsedQuotaFiles
|
|
user.UsedUploadDataTransfer = u.UsedUploadDataTransfer
|
|
user.UsedDownloadDataTransfer = u.UsedDownloadDataTransfer
|
|
user.LastQuotaUpdate = u.LastQuotaUpdate
|
|
user.LastLogin = u.LastLogin
|
|
user.CreatedAt = u.CreatedAt
|
|
user.UpdatedAt = util.GetTimeAsMsSinceEpoch(time.Now())
|
|
// preserve TOTP config and recovery codes
|
|
user.Filters.TOTPConfig = u.Filters.TOTPConfig
|
|
user.Filters.RecoveryCodes = u.Filters.RecoveryCodes
|
|
err = provider.updateUser(&user)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(&user)
|
|
cachedPasswords.Add(user.Username, password)
|
|
}
|
|
return user, err
|
|
}
|
|
err = provider.addUser(&user)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return provider.userExists(user.Username)
|
|
}
|
|
|
|
func doPluginAuth(username, password string, pubKey []byte, ip, protocol string,
|
|
tlsCert *x509.Certificate, authScope int,
|
|
) (User, error) {
|
|
var user User
|
|
|
|
u, mergedUser, userAsJSON, err := getUserAndJSONForHook(username, nil)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
|
|
if mergedUser.Filters.Hooks.ExternalAuthDisabled {
|
|
return u, nil
|
|
}
|
|
|
|
if mergedUser.isExternalAuthCached() {
|
|
return u, nil
|
|
}
|
|
|
|
pkey, err := util.GetSSHPublicKeyAsString(pubKey)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
|
|
startTime := time.Now()
|
|
|
|
out, err := plugin.Handler.Authenticate(username, password, ip, protocol, pkey, tlsCert, authScope, userAsJSON)
|
|
if err != nil {
|
|
return user, fmt.Errorf("plugin auth error for user %#v: %v, elapsed: %v, auth scope: %v",
|
|
username, err, time.Since(startTime), authScope)
|
|
}
|
|
providerLog(logger.LevelDebug, "plugin auth completed for user %#v, elapsed: %v,auth scope: %v",
|
|
username, time.Since(startTime), authScope)
|
|
if util.IsByteArrayEmpty(out) {
|
|
providerLog(logger.LevelDebug, "empty response from plugin auth, no modification requested for user %#v id: %v",
|
|
username, u.ID)
|
|
if u.ID == 0 {
|
|
return u, util.NewRecordNotFoundError(fmt.Sprintf("username %#v does not exist", username))
|
|
}
|
|
return u, nil
|
|
}
|
|
err = json.Unmarshal(out, &user)
|
|
if err != nil {
|
|
return user, fmt.Errorf("invalid plugin auth response: %v", err)
|
|
}
|
|
updateUserFromExtAuthResponse(&user, password, pkey)
|
|
if u.ID > 0 {
|
|
user.ID = u.ID
|
|
user.UsedQuotaSize = u.UsedQuotaSize
|
|
user.UsedQuotaFiles = u.UsedQuotaFiles
|
|
user.UsedUploadDataTransfer = u.UsedUploadDataTransfer
|
|
user.UsedDownloadDataTransfer = u.UsedDownloadDataTransfer
|
|
user.LastQuotaUpdate = u.LastQuotaUpdate
|
|
user.LastLogin = u.LastLogin
|
|
// preserve TOTP config and recovery codes
|
|
user.Filters.TOTPConfig = u.Filters.TOTPConfig
|
|
user.Filters.RecoveryCodes = u.Filters.RecoveryCodes
|
|
err = provider.updateUser(&user)
|
|
if err == nil {
|
|
webDAVUsersCache.swap(&user)
|
|
cachedPasswords.Add(user.Username, password)
|
|
}
|
|
return user, err
|
|
}
|
|
err = provider.addUser(&user)
|
|
if err != nil {
|
|
return user, err
|
|
}
|
|
return provider.userExists(user.Username)
|
|
}
|
|
|
|
func getUserForHook(username string, oidcTokenFields *map[string]any) (User, User, error) {
|
|
u, err := provider.userExists(username)
|
|
if err != nil {
|
|
if _, ok := err.(*util.RecordNotFoundError); !ok {
|
|
return u, u, err
|
|
}
|
|
u = User{
|
|
BaseUser: sdk.BaseUser{
|
|
ID: 0,
|
|
Username: username,
|
|
},
|
|
}
|
|
}
|
|
mergedUser := u.getACopy()
|
|
err = mergedUser.LoadAndApplyGroupSettings()
|
|
if err != nil {
|
|
return u, mergedUser, err
|
|
}
|
|
|
|
u.OIDCCustomFields = oidcTokenFields
|
|
return u, mergedUser, err
|
|
}
|
|
|
|
func getUserAndJSONForHook(username string, oidcTokenFields *map[string]any) (User, User, []byte, error) {
|
|
u, mergedUser, err := getUserForHook(username, oidcTokenFields)
|
|
if err != nil {
|
|
return u, mergedUser, nil, err
|
|
}
|
|
userAsJSON, err := json.Marshal(u)
|
|
if err != nil {
|
|
return u, mergedUser, userAsJSON, err
|
|
}
|
|
return u, mergedUser, userAsJSON, err
|
|
}
|
|
|
|
func isLastActivityRecent(lastActivity int64, minDelay time.Duration) bool {
|
|
lastActivityTime := util.GetTimeFromMsecSinceEpoch(lastActivity)
|
|
diff := -time.Until(lastActivityTime)
|
|
if diff < -10*time.Second {
|
|
return false
|
|
}
|
|
return diff < minDelay
|
|
}
|
|
|
|
func addGCSCredentialsToFolder(folder *vfs.BaseVirtualFolder) (bool, error) {
|
|
if folder.FsConfig.Provider != sdk.GCSFilesystemProvider {
|
|
return false, nil
|
|
}
|
|
if folder.FsConfig.GCSConfig.AutomaticCredentials > 0 {
|
|
return false, nil
|
|
}
|
|
if folder.FsConfig.GCSConfig.Credentials.IsValid() {
|
|
return false, nil
|
|
}
|
|
cred, err := os.ReadFile(folder.GetGCSCredentialsFilePath())
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
err = json.Unmarshal(cred, &folder.FsConfig.GCSConfig.Credentials)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
func addGCSCredentialsToUser(user *User) (bool, error) {
|
|
if user.FsConfig.Provider != sdk.GCSFilesystemProvider {
|
|
return false, nil
|
|
}
|
|
if user.FsConfig.GCSConfig.AutomaticCredentials > 0 {
|
|
return false, nil
|
|
}
|
|
if user.FsConfig.GCSConfig.Credentials.IsValid() {
|
|
return false, nil
|
|
}
|
|
cred, err := os.ReadFile(user.GetGCSCredentialsFilePath())
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
err = json.Unmarshal(cred, &user.FsConfig.GCSConfig.Credentials)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return true, nil
|
|
}
|
|
|
|
func importGCSCredentials() error {
|
|
folders, err := provider.dumpFolders()
|
|
if err != nil {
|
|
return fmt.Errorf("unable to get folders: %w", err)
|
|
}
|
|
for idx := range folders {
|
|
folder := &folders[idx]
|
|
added, err := addGCSCredentialsToFolder(folder)
|
|
if err != nil {
|
|
return fmt.Errorf("unable to add GCS credentials to folder %#v: %w", folder.Name, err)
|
|
}
|
|
if added {
|
|
logger.InfoToConsole("importing GCS credentials for folder %#v", folder.Name)
|
|
providerLog(logger.LevelInfo, "importing GCS credentials for folder %#v", folder.Name)
|
|
if err = provider.updateFolder(folder); err != nil {
|
|
return fmt.Errorf("unable to update folder %#v: %w", folder.Name, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
users, err := provider.dumpUsers()
|
|
if err != nil {
|
|
return fmt.Errorf("unable to get users: %w", err)
|
|
}
|
|
for idx := range users {
|
|
user := &users[idx]
|
|
added, err := addGCSCredentialsToUser(user)
|
|
if err != nil {
|
|
return fmt.Errorf("unable to add GCS credentials to user %#v: %w", user.Username, err)
|
|
}
|
|
if added {
|
|
logger.InfoToConsole("importing GCS credentials for user %#v", user.Username)
|
|
providerLog(logger.LevelInfo, "importing GCS credentials for user %#v", user.Username)
|
|
if err = provider.updateUser(user); err != nil {
|
|
return fmt.Errorf("unable to update user %#v: %w", user.Username, err)
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getConfigPath(name, configDir string) string {
|
|
if !util.IsFileInputValid(name) {
|
|
return ""
|
|
}
|
|
if name != "" && !filepath.IsAbs(name) {
|
|
return filepath.Join(configDir, name)
|
|
}
|
|
return name
|
|
}
|
|
|
|
func providerLog(level logger.LogLevel, format string, v ...any) {
|
|
logger.Log(level, logSender, "", format, v...)
|
|
}
|