121 lines
4.7 KiB
Go
121 lines
4.7 KiB
Go
package web
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import (
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"errors"
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"net/http"
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"net/url"
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"strings"
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"gitea.dooplex.hu/admin/felhom-controller/internal/backup"
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)
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// D25 (operator ruling 2026-10-21; R-1175 + R-1181): the restore page lists the second-drive copies whose source is
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// gone and lets the household release one with „Eltávolítás". Nothing else removes them.
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// keptCopyRow is one line of the „Megőrzött másolatok" list.
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type keptCopyRow struct {
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ID string
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Source string
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Line string // „a(z) <drive> meghajtóról megőrzött másolat · <why>"
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SizeHuman string
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Since string
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// Restorable (D47): a set-aside recovery unit of an earlier install — the row offers „Visszaállítás" too.
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Restorable bool
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}
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func (s *Server) keptCopyRows(lang string) []keptCopyRow {
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if s.backupMgr == nil {
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return nil
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}
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var out []keptCopyRow
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for _, k := range s.backupMgr.KeptCopies() {
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why := s.msgLang(lang, "kept.reason."+k.Reason)
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out = append(out, keptCopyRow{
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ID: k.ID,
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Source: k.Source,
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Line: s.msgLang(lang, "kept.from_drive", k.Drive) + " · " + why,
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SizeHuman: backup.HumanizeBytes(k.SizeBytes),
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Since: k.Since,
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Restorable: k.Kind == backup.KeptKindUnit,
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})
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}
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return out
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}
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// keptCopyRemoveHandler is „Eltávolítás": POST /backup/kept/remove (id, confirm=1). It removes ONE kept copy by its
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// record (backup.RemoveKeptCopy: the recorded path, inside its copy tree, same device + inode) and nothing else.
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func (s *Server) keptCopyRemoveHandler(w http.ResponseWriter, r *http.Request) {
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if s.backupMgr == nil {
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offboxRedirectTo(w, r, "/backups/restore", "flash.offbox.mgr_unreachable", true)
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return
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}
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_ = r.ParseForm()
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id := strings.TrimSpace(r.FormValue("id"))
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if r.FormValue("confirm") != "1" {
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.needs_confirmation", true)
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return
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}
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if msg, blocked := s.restoreOpBlocked(); blocked {
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s.logger.Printf("[WARN] [web] kept-copy removal refused (%s): a backup/restore op is running", id)
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offboxRedirectTo(w, r, "/backups/restore", msg, true)
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return
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}
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switch err := s.backupMgr.RemoveKeptCopy(id); {
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case err == nil:
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.removed", false)
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case errors.Is(err, backup.ErrKeptCopyNotFound):
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.not_found", true)
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case errors.Is(err, backup.ErrKeptCopyChanged):
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.changed", true)
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default:
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s.logger.Printf("[WARN] [web] kept-copy removal %s failed: %v", id, err)
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.remove_failed", true, err.Error())
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}
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}
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// keptUnitRestoreHandler is „Visszaállítás" on a set-aside unit (D47): POST /backup/kept/restore (id, confirm=1). The
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// unit is named only by its record (backup.SetAsideUnitFor: the recorded folder, inside its set-aside tree, same device
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// + inode), and restored through the one unit-restore body, in the background like every restore.
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func (s *Server) keptUnitRestoreHandler(w http.ResponseWriter, r *http.Request) {
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if s.backupMgr == nil {
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offboxRedirectTo(w, r, "/backups/restore", "flash.offbox.mgr_unreachable", true)
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return
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}
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_ = r.ParseForm()
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id := strings.TrimSpace(r.FormValue("id"))
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if r.FormValue("confirm") != "1" {
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.restore_needs_confirmation", true)
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return
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}
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if msg, blocked := s.restoreOpBlocked(); blocked {
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http.Redirect(w, r, "/backups/restore?flash_error="+url.QueryEscape(msg), http.StatusFound)
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return
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}
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k, err := s.backupMgr.SetAsideUnitFor(id)
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switch {
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case errors.Is(err, backup.ErrKeptCopyNotFound):
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.not_found", true)
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return
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case err != nil:
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offboxRedirectTo(w, r, "/backups/restore", "flash.kept.changed", true)
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return
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}
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if legs := s.backupMgr.DeclaredDriveFileLegs(k.Source); len(legs) > 0 {
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msg := s.missingFileLegsRefusal(r.Context(), s.langFor(r), k.Source)
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http.Redirect(w, r, "/backups/restore?flash_error="+url.QueryEscape(msg), http.StatusFound)
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return
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}
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s.logger.Printf("[WARN] [web] Restore of %s from a set-aside unit requested (async): %s from %s", k.Source, k.Path, r.RemoteAddr)
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s.backupMgr.BeginRestoreOp("restore", k.Source)
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go func() {
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app, res, err := s.backupMgr.RestoreSetAsideUnit(id)
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if err != nil {
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s.logger.Printf("[ERROR] [web] Restore from the set-aside unit failed (async): stack=%s: %v", app, err)
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s.backupMgr.EndRestoreOp(false, s.restoreFailedNote("note.restore.unit_failed", err))
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return
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}
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s.backupMgr.EndRestoreOp(true, s.restoredVersionPrefix(app, res.VersionChanged, res.DataPins, res.DataAt)+s.unitRestoreOutcomeMsg(app, res))
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}()
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http.Redirect(w, r, "/backups/restore?"+flashQuery("flash", "flash.restore.started"), http.StatusFound)
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}
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