Core packages: crypto (Argon2id/AES-256-GCM), config (TOML/viper), db (SQLite/migrations), barrier (encrypted storage), seal (state machine with rate-limited unseal), auth (MCIAS integration with token cache), policy (priority-based ACL engine), engine (interface + registry). Server: HTTPS with TLS 1.2+, REST API, auth/admin middleware, htmx web UI (init, unseal, login, dashboard pages). CLI: cobra/viper subcommands (server, init, status, snapshot) with env var override support (METACRYPT_ prefix). Operational tooling: Dockerfile (multi-stage, non-root), docker-compose, hardened systemd units (service + daily backup timer), install script, backup script with retention pruning, production config examples. Runbook covering installation, configuration, daily operations, backup/restore, monitoring, troubleshooting, and security procedures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
44 lines
998 B
Go
44 lines
998 B
Go
// Package db provides SQLite database access and migrations.
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package db
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import (
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"database/sql"
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"fmt"
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"os"
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_ "modernc.org/sqlite"
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)
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// Open opens or creates a SQLite database at the given path with secure
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// file permissions (0600) and WAL mode enabled.
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func Open(path string) (*sql.DB, error) {
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// Ensure the file has restrictive permissions if it doesn't exist yet.
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if _, err := os.Stat(path); os.IsNotExist(err) {
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f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0600)
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if err != nil {
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return nil, fmt.Errorf("db: create file: %w", err)
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}
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f.Close()
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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, fmt.Errorf("db: open: %w", err)
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}
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// Enable WAL mode and foreign keys.
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pragmas := []string{
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"PRAGMA journal_mode=WAL",
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"PRAGMA foreign_keys=ON",
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"PRAGMA busy_timeout=5000",
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}
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for _, p := range pragmas {
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if _, err := db.Exec(p); err != nil {
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db.Close()
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return nil, fmt.Errorf("db: pragma %q: %w", p, err)
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}
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}
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return db, nil
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}
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