sftpgo-mirror/internal/httpd/api_maintenance.go
Nicola Murino d01fccf28c
WIP new WebAdmin: maintenance page
Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2024-01-26 21:03:41 +01:00

561 lines
19 KiB
Go

// Copyright (C) 2019 Nicola Murino
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package httpd
import (
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/go-chi/render"
"github.com/drakkan/sftpgo/v2/internal/common"
"github.com/drakkan/sftpgo/v2/internal/dataprovider"
"github.com/drakkan/sftpgo/v2/internal/logger"
"github.com/drakkan/sftpgo/v2/internal/util"
"github.com/drakkan/sftpgo/v2/internal/vfs"
)
func validateBackupFile(outputFile string) (string, error) {
if outputFile == "" {
return "", errors.New("invalid or missing output-file")
}
if filepath.IsAbs(outputFile) {
return "", fmt.Errorf("invalid output-file %q: it must be a relative path", outputFile)
}
if strings.Contains(outputFile, "..") {
return "", fmt.Errorf("invalid output-file %q", outputFile)
}
outputFile = filepath.Join(dataprovider.GetBackupsPath(), outputFile)
return outputFile, nil
}
func dumpData(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
var outputFile, outputData, indent string
var scopes []string
if _, ok := r.URL.Query()["output-file"]; ok {
outputFile = strings.TrimSpace(r.URL.Query().Get("output-file"))
}
if _, ok := r.URL.Query()["output-data"]; ok {
outputData = strings.TrimSpace(r.URL.Query().Get("output-data"))
}
if _, ok := r.URL.Query()["indent"]; ok {
indent = strings.TrimSpace(r.URL.Query().Get("indent"))
}
if _, ok := r.URL.Query()["scopes"]; ok {
scopes = getCommaSeparatedQueryParam(r, "scopes")
}
if outputData != "1" {
var err error
outputFile, err = validateBackupFile(outputFile)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
err = os.MkdirAll(filepath.Dir(outputFile), 0700)
if err != nil {
logger.Error(logSender, "", "dumping data error: %v, output file: %q", err, outputFile)
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
logger.Debug(logSender, "", "dumping data to: %q", outputFile)
}
backup, err := dataprovider.DumpData(scopes)
if err != nil {
logger.Error(logSender, "", "dumping data error: %v, output file: %q", err, outputFile)
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if outputData == "1" {
w.Header().Set("Content-Disposition", "attachment; filename=\"sftpgo-backup.json\"")
render.JSON(w, r, backup)
return
}
var dump []byte
if indent == "1" {
dump, err = json.MarshalIndent(backup, "", " ")
} else {
dump, err = json.Marshal(backup)
}
if err == nil {
err = os.WriteFile(outputFile, dump, 0600)
}
if err != nil {
logger.Warn(logSender, "", "dumping data error: %v, output file: %q", err, outputFile)
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
logger.Debug(logSender, "", "dumping data completed, output file: %q, error: %v", outputFile, err)
sendAPIResponse(w, r, err, "Data saved", http.StatusOK)
}
func loadDataFromRequest(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, MaxRestoreSize)
claims, err := getTokenClaims(r)
if err != nil || claims.Username == "" {
sendAPIResponse(w, r, err, "Invalid token claims", http.StatusBadRequest)
return
}
_, scanQuota, mode, err := getLoaddataOptions(r)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
content, err := io.ReadAll(r.Body)
if err != nil || len(content) == 0 {
if len(content) == 0 {
err = util.NewValidationError("request body is required")
}
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if err := restoreBackup(content, "", scanQuota, mode, claims.Username, util.GetIPFromRemoteAddress(r.RemoteAddr), claims.Role); err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
sendAPIResponse(w, r, err, "Data restored", http.StatusOK)
}
func loadData(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
claims, err := getTokenClaims(r)
if err != nil || claims.Username == "" {
sendAPIResponse(w, r, err, "Invalid token claims", http.StatusBadRequest)
return
}
inputFile, scanQuota, mode, err := getLoaddataOptions(r)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
if !filepath.IsAbs(inputFile) {
sendAPIResponse(w, r, fmt.Errorf("invalid input_file %q: it must be an absolute path", inputFile), "",
http.StatusBadRequest)
return
}
fi, err := os.Stat(inputFile)
if err != nil {
sendAPIResponse(w, r, fmt.Errorf("invalid input_file %q", inputFile), "", http.StatusBadRequest)
return
}
if fi.Size() > MaxRestoreSize {
sendAPIResponse(w, r, err, fmt.Sprintf("Unable to restore input file: %q size too big: %d/%d bytes",
inputFile, fi.Size(), MaxRestoreSize), http.StatusBadRequest)
return
}
content, err := os.ReadFile(inputFile)
if err != nil {
sendAPIResponse(w, r, fmt.Errorf("invalid input_file %q", inputFile), "", http.StatusBadRequest)
return
}
if err := restoreBackup(content, inputFile, scanQuota, mode, claims.Username, util.GetIPFromRemoteAddress(r.RemoteAddr), claims.Role); err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
sendAPIResponse(w, r, err, "Data restored", http.StatusOK)
}
func restoreBackup(content []byte, inputFile string, scanQuota, mode int, executor, ipAddress, role string) error {
dump, err := dataprovider.ParseDumpData(content)
if err != nil {
return util.NewI18nError(
util.NewValidationError(fmt.Sprintf("invalid input_file %q", inputFile)),
util.I18nErrorBackupFile,
)
}
if err = RestoreConfigs(dump.Configs, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreIPListEntries(dump.IPLists, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreRoles(dump.Roles, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreFolders(dump.Folders, inputFile, mode, scanQuota, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreGroups(dump.Groups, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreUsers(dump.Users, inputFile, mode, scanQuota, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreAdmins(dump.Admins, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreAPIKeys(dump.APIKeys, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreShares(dump.Shares, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreEventActions(dump.EventActions, inputFile, mode, executor, ipAddress, role); err != nil {
return err
}
if err = RestoreEventRules(dump.EventRules, inputFile, mode, executor, ipAddress, role, dump.Version); err != nil {
return err
}
logger.Debug(logSender, "", "backup restored")
return nil
}
func getLoaddataOptions(r *http.Request) (string, int, int, error) {
var inputFile string
var err error
scanQuota := 0
restoreMode := 0
if _, ok := r.URL.Query()["input-file"]; ok {
inputFile = strings.TrimSpace(r.URL.Query().Get("input-file"))
}
if _, ok := r.URL.Query()["scan-quota"]; ok {
scanQuota, err = strconv.Atoi(r.URL.Query().Get("scan-quota"))
if err != nil {
err = fmt.Errorf("invalid scan_quota: %v", err)
return inputFile, scanQuota, restoreMode, err
}
}
if _, ok := r.URL.Query()["mode"]; ok {
restoreMode, err = strconv.Atoi(r.URL.Query().Get("mode"))
if err != nil {
err = fmt.Errorf("invalid mode: %v", err)
return inputFile, scanQuota, restoreMode, err
}
}
return inputFile, scanQuota, restoreMode, err
}
// RestoreFolders restores the specified folders
func RestoreFolders(folders []vfs.BaseVirtualFolder, inputFile string, mode, scanQuota int, executor, ipAddress, role string) error {
for idx := range folders {
folder := folders[idx]
f, err := dataprovider.GetFolderByName(folder.Name)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing folder %q not updated", folder.Name)
continue
}
folder.ID = f.ID
folder.Name = f.Name
err = dataprovider.UpdateFolder(&folder, f.Users, f.Groups, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing folder %q, dump file: %q, error: %v", folder.Name, inputFile, err)
} else {
folder.Users = nil
err = dataprovider.AddFolder(&folder, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new folder %q, dump file: %q, error: %v", folder.Name, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore folder %q: %w", folder.Name, err)
}
if scanQuota >= 1 {
if common.QuotaScans.AddVFolderQuotaScan(folder.Name) {
logger.Debug(logSender, "", "starting quota scan for restored folder: %q", folder.Name)
go doFolderQuotaScan(folder) //nolint:errcheck
}
}
}
return nil
}
// RestoreShares restores the specified shares
func RestoreShares(shares []dataprovider.Share, inputFile string, mode int, executor,
ipAddress, role string,
) error {
for idx := range shares {
share := shares[idx]
share.IsRestore = true
s, err := dataprovider.ShareExists(share.ShareID, "")
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing share %q not updated", share.ShareID)
continue
}
share.ID = s.ID
err = dataprovider.UpdateShare(&share, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing share %q, dump file: %q, error: %v", share.ShareID, inputFile, err)
} else {
err = dataprovider.AddShare(&share, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new share %q, dump file: %q, error: %v", share.ShareID, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore share %q: %w", share.ShareID, err)
}
}
return nil
}
// RestoreEventActions restores the specified event actions
func RestoreEventActions(actions []dataprovider.BaseEventAction, inputFile string, mode int, executor, ipAddress, role string) error {
for idx := range actions {
action := actions[idx]
a, err := dataprovider.EventActionExists(action.Name)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing event action %q not updated", a.Name)
continue
}
action.ID = a.ID
err = dataprovider.UpdateEventAction(&action, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring event action %q, dump file: %q, error: %v", action.Name, inputFile, err)
} else {
err = dataprovider.AddEventAction(&action, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new event action %q, dump file: %q, error: %v", action.Name, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore event action %q: %w", action.Name, err)
}
}
return nil
}
// RestoreEventRules restores the specified event rules
func RestoreEventRules(rules []dataprovider.EventRule, inputFile string, mode int, executor, ipAddress,
role string, dumpVersion int,
) error {
for idx := range rules {
rule := rules[idx]
if dumpVersion < 15 {
rule.Status = 1
}
r, err := dataprovider.EventRuleExists(rule.Name)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing event rule %q not updated", r.Name)
continue
}
rule.ID = r.ID
err = dataprovider.UpdateEventRule(&rule, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring event rule %q, dump file: %q, error: %v", rule.Name, inputFile, err)
} else {
err = dataprovider.AddEventRule(&rule, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new event rule %q, dump file: %q, error: %v", rule.Name, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore event rule %q: %w", rule.Name, err)
}
}
return nil
}
// RestoreAPIKeys restores the specified API keys
func RestoreAPIKeys(apiKeys []dataprovider.APIKey, inputFile string, mode int, executor, ipAddress, role string) error {
for idx := range apiKeys {
apiKey := apiKeys[idx]
if apiKey.Key == "" {
logger.Warn(logSender, "", "cannot restore empty API key")
return fmt.Errorf("cannot restore an empty API key: %+v", apiKey)
}
k, err := dataprovider.APIKeyExists(apiKey.KeyID)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing API key %q not updated", apiKey.KeyID)
continue
}
apiKey.ID = k.ID
err = dataprovider.UpdateAPIKey(&apiKey, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing API key %q, dump file: %q, error: %v", apiKey.KeyID, inputFile, err)
} else {
err = dataprovider.AddAPIKey(&apiKey, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new API key %q, dump file: %q, error: %v", apiKey.KeyID, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore API key %q: %w", apiKey.KeyID, err)
}
}
return nil
}
// RestoreAdmins restores the specified admins
func RestoreAdmins(admins []dataprovider.Admin, inputFile string, mode int, executor, ipAddress, role string) error {
for idx := range admins {
admin := admins[idx]
a, err := dataprovider.AdminExists(admin.Username)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing admin %q not updated", a.Username)
continue
}
admin.ID = a.ID
admin.Username = a.Username
err = dataprovider.UpdateAdmin(&admin, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing admin %q, dump file: %q, error: %v", admin.Username, inputFile, err)
} else {
err = dataprovider.AddAdmin(&admin, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new admin %q, dump file: %q, error: %v", admin.Username, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore admin %q: %w", admin.Username, err)
}
}
return nil
}
// RestoreConfigs restores the specified provider configs
func RestoreConfigs(configs *dataprovider.Configs, mode int, executor, ipAddress,
executorRole string,
) error {
if configs == nil {
return nil
}
c, err := dataprovider.GetConfigs()
if err != nil {
return fmt.Errorf("unable to restore configs, error loading existing from db: %w", err)
}
if c.UpdatedAt > 0 {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing configs not updated")
return nil
}
}
return dataprovider.UpdateConfigs(configs, executor, ipAddress, executorRole)
}
// RestoreIPListEntries restores the specified IP list entries
func RestoreIPListEntries(entries []dataprovider.IPListEntry, inputFile string, mode int, executor, ipAddress,
executorRole string,
) error {
for idx := range entries {
entry := entries[idx]
e, err := dataprovider.IPListEntryExists(entry.IPOrNet, entry.Type)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing IP list entry %s-%s not updated",
e.Type.AsString(), e.IPOrNet)
continue
}
err = dataprovider.UpdateIPListEntry(&entry, executor, ipAddress, executorRole)
logger.Debug(logSender, "", "restoring existing IP list entry: %s-%s, dump file: %q, error: %v",
entry.Type.AsString(), entry.IPOrNet, inputFile, err)
} else {
err = dataprovider.AddIPListEntry(&entry, executor, ipAddress, executorRole)
logger.Debug(logSender, "", "adding new IP list entry %s-%s, dump file: %q, error: %v",
entry.Type.AsString(), entry.IPOrNet, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore IP list entry %s-%s: %w", entry.Type.AsString(), entry.IPOrNet, err)
}
}
return nil
}
// RestoreRoles restores the specified roles
func RestoreRoles(roles []dataprovider.Role, inputFile string, mode int, executor, ipAddress, executorRole string) error {
for idx := range roles {
role := roles[idx]
r, err := dataprovider.RoleExists(role.Name)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing role %q not updated", r.Name)
continue
}
role.ID = r.ID
err = dataprovider.UpdateRole(&role, executor, ipAddress, executorRole)
logger.Debug(logSender, "", "restoring existing role: %q, dump file: %q, error: %v", role.Name, inputFile, err)
} else {
err = dataprovider.AddRole(&role, executor, ipAddress, executorRole)
logger.Debug(logSender, "", "adding new role: %q, dump file: %q, error: %v", role.Name, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore role %q: %w", role.Name, err)
}
}
return nil
}
// RestoreGroups restores the specified groups
func RestoreGroups(groups []dataprovider.Group, inputFile string, mode int, executor, ipAddress, role string) error {
for idx := range groups {
group := groups[idx]
g, err := dataprovider.GroupExists(group.Name)
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing group %q not updated", g.Name)
continue
}
group.ID = g.ID
group.Name = g.Name
err = dataprovider.UpdateGroup(&group, g.Users, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing group: %q, dump file: %q, error: %v", group.Name, inputFile, err)
} else {
err = dataprovider.AddGroup(&group, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new group: %q, dump file: %q, error: %v", group.Name, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore group %q: %w", group.Name, err)
}
}
return nil
}
// RestoreUsers restores the specified users
func RestoreUsers(users []dataprovider.User, inputFile string, mode, scanQuota int, executor, ipAddress, role string) error {
for idx := range users {
user := users[idx]
u, err := dataprovider.UserExists(user.Username, "")
if err == nil {
if mode == 1 {
logger.Debug(logSender, "", "loaddata mode 1, existing user %q not updated", u.Username)
continue
}
user.ID = u.ID
user.Username = u.Username
err = dataprovider.UpdateUser(&user, executor, ipAddress, role)
logger.Debug(logSender, "", "restoring existing user: %q, dump file: %q, error: %v", user.Username, inputFile, err)
if mode == 2 && err == nil {
disconnectUser(user.Username, executor, role)
}
} else {
err = dataprovider.AddUser(&user, executor, ipAddress, role)
logger.Debug(logSender, "", "adding new user: %q, dump file: %q, error: %v", user.Username, inputFile, err)
}
if err != nil {
return fmt.Errorf("unable to restore user %q: %w", user.Username, err)
}
if scanQuota == 1 || (scanQuota == 2 && user.HasQuotaRestrictions()) {
if common.QuotaScans.AddUserQuotaScan(user.Username, user.Role) {
logger.Debug(logSender, "", "starting quota scan for restored user: %q", user.Username)
go doUserQuotaScan(user) //nolint:errcheck
}
}
}
return nil
}