Files
artex/db/finding_traffic_archive.go
T
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First Commit
2026-10-09 08:38:16 +08:00

86 lines
2.4 KiB
Go

package db
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
)
func ArchiveEvidenceSnapshots(snapshot *TaskArchiveSnapshot) ([]TrafficEvidenceSnapshot, error) {
var out []TrafficEvidenceSnapshot
if rawRowCount(snapshot.Tables["traffic_evidence_snapshots"]) == 0 {
return out, nil
}
if snapshot.FormatVersion < 3 {
return nil, ErrTaskArchiveFormatMismatch
}
err := json.Unmarshal(snapshot.Tables["traffic_evidence_snapshots"], &out)
return out, err
}
func restoreFindingTrafficTx(tx *sql.Tx, snapshot *TaskArchiveSnapshot) error {
snapshots, err := ArchiveEvidenceSnapshots(snapshot)
if err != nil {
return err
}
allowed := map[string]bool{}
for _, v := range snapshots {
if allowed[v.ID] {
return errors.New("duplicate archived evidence snapshot")
}
allowed[v.ID] = true
if err = InsertEvidenceSnapshotTx(tx, v); err != nil {
return err
}
}
rows, err := decodeArchiveRows(snapshot.Tables["finding_traffic_bindings"])
if err != nil {
return err
}
if len(rows) > 0 && snapshot.FormatVersion < 3 {
return ErrTaskArchiveFormatMismatch
}
for _, row := range rows {
fid, ok := jsonInt64(row["finding_id"])
if !ok {
return errors.New("invalid archived evidence finding id")
}
sid, _ := row["snapshot_id"].(string)
role, _ := row["role"].(string)
if !allowed[sid] || !ValidTrafficRole(role) {
return errors.New("invalid archived evidence binding")
}
var owned bool
if err = tx.QueryRow(`SELECT EXISTS(SELECT 1 FROM findings WHERE id=$1 AND task_id=$2)`, fid, snapshot.TaskID).Scan(&owned); err != nil {
return err
}
if !owned {
return fmt.Errorf("evidence references finding outside archived task: %d", fid)
}
}
if len(rows) > 0 {
raw, _ := json.Marshal(rows)
if _, err = tx.Exec(`INSERT INTO finding_traffic_bindings SELECT * FROM json_populate_recordset(NULL::finding_traffic_bindings,$1::json)`, string(raw)); err != nil {
return err
}
_, err = tx.Exec(`UPDATE traffic_evidence_snapshots s SET unreferenced_at=NULL WHERE EXISTS(SELECT 1 FROM finding_traffic_bindings b WHERE b.snapshot_id=s.id)`)
}
return err
}
func normalizeArchivedFindingVersions(raw json.RawMessage) (json.RawMessage, error) {
rows, err := decodeArchiveRows(raw)
if err != nil {
return nil, err
}
for _, row := range rows {
for _, key := range []string{"evidence_version", "report_evidence_version"} {
if row[key] == nil {
row[key] = 0
}
}
}
return json.Marshal(rows)
}