feat: verschlüsselte Integrationseinstellungen, Haushaltsmitglieder mit Ersteller, Backup-Download
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import { NextResponse } from "next/server";
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import { randomBytes } from "crypto";
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import { unlink } from "fs/promises";
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import { tmpdir } from "os";
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import { join } from "path";
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import { getDb } from "@/lib/db";
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/**
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* Lädt einen konsistenten SQLite-Snapshot herunter (VACUUM INTO läuft
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* transaktional, auch bei parallelen Schreibzugriffen). Enthält Gutscheine,
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* Kontakte, Mitglieder, Regeln, Logs und verschlüsselte Einstellungen.
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* Wiederherstellen: Datei als /data/gutscheine.db ablegen (gleicher
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* SETTINGS_ENCRYPTION_KEY erforderlich).
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*/
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export async function GET() {
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const db = getDb();
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const stamp = new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "");
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const tmpPath = join(tmpdir(), `gutscheintracker-backup-${stamp}-${randomBytes(4).toString("hex")}.db`);
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try {
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await db.$executeRawUnsafe(`VACUUM INTO '${tmpPath.replace(/'/g, "''")}'`);
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const { readFile } = await import("fs/promises");
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const data = await readFile(tmpPath);
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await unlink(tmpPath).catch(() => {});
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return new NextResponse(new Uint8Array(data), {
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headers: {
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"content-type": "application/x-sqlite3",
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"content-disposition": `attachment; filename="gutscheintracker-backup-${stamp}.db"`,
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},
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});
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} catch (e) {
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await unlink(tmpPath).catch(() => {});
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return NextResponse.json(
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{ error: e instanceof Error ? e.message : "Backup fehlgeschlagen" },
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{ status: 500 }
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);
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}
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}
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