100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package storage
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import (
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"database/sql"
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_ "modernc.org/sqlite"
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"os"
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"path/filepath"
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"time"
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)
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type Store struct{ DB *sql.DB }
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func Open(path string) (*Store, error) {
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if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
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return nil, err
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}
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db, err := sql.Open("sqlite", path)
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if err != nil {
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return nil, err
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}
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// SQLite has a single-writer model. Keep one application connection so
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// concurrent callers queue instead of opening competing writer connections.
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db.SetMaxOpenConns(1)
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db.SetMaxIdleConns(1)
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s := &Store{db}
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if err := s.init(); err != nil {
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db.Close()
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return nil, err
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}
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return s, nil
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}
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func (s *Store) init() error {
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if _, err := s.DB.Exec(`PRAGMA journal_mode = WAL`); err != nil {
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return err
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}
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if _, err := s.DB.Exec(`PRAGMA busy_timeout = 5000`); err != nil {
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return err
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}
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_, err := s.DB.Exec(`CREATE TABLE IF NOT EXISTS devices (
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name TEXT PRIMARY KEY, status TEXT NOT NULL, is_local INTEGER NOT NULL,
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arch TEXT, os TEXT, updated_at INTEGER NOT NULL
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); CREATE TABLE IF NOT EXISTS audit_logs (
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id INTEGER PRIMARY KEY AUTOINCREMENT, timestamp INTEGER NOT NULL,
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caller_ip TEXT, device TEXT, action TEXT, command TEXT,
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exit_code INTEGER, duration_ms INTEGER, error_msg TEXT
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);`)
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return err
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}
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func (s *Store) UpsertLocal(name, arch, osName string) error {
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_, err := s.DB.Exec(`INSERT INTO devices(name,status,is_local,arch,os,updated_at)
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VALUES(?,?,?,?,?,?) ON CONFLICT(name) DO UPDATE SET status=excluded.status,
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arch=excluded.arch, os=excluded.os, updated_at=excluded.updated_at`,
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name, "online", 1, arch, osName, time.Now().Unix())
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return err
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}
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type AuditLog struct {
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ID int64 `json:"id"`
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Timestamp int64 `json:"timestamp"`
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CallerIP string `json:"caller_ip"`
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Device string `json:"device"`
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Action string `json:"action"`
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Command string `json:"command"`
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ExitCode int `json:"exit_code"`
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DurationMS int64 `json:"duration_ms"`
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ErrorMsg string `json:"error_msg"`
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}
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func (s *Store) Audit(ip, device, action, command string, code int, ms int64, msg string) error {
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_, err := s.DB.Exec(`INSERT INTO audit_logs(timestamp,caller_ip,device,action,command,exit_code,duration_ms,error_msg)
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VALUES(?,?,?,?,?,?,?,?)`, time.Now().Unix(), ip, device, action, command, code, ms, msg)
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return err
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}
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func (s *Store) RecentAudits(limit int) ([]AuditLog, error) {
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if limit <= 0 {
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limit = 100
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}
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if limit > 500 {
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limit = 500
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}
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rows, err := s.DB.Query(`SELECT id,timestamp,caller_ip,device,action,command,exit_code,duration_ms,error_msg
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FROM audit_logs ORDER BY id DESC LIMIT ?`, limit)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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out := make([]AuditLog, 0, limit)
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for rows.Next() {
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var v AuditLog
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if err := rows.Scan(&v.ID, &v.Timestamp, &v.CallerIP, &v.Device, &v.Action, &v.Command, &v.ExitCode, &v.DurationMS, &v.ErrorMsg); err != nil {
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return nil, err
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}
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out = append(out, v)
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}
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return out, rows.Err()
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}
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