fluxer/packages/api/src/csam/CsamLegalHoldService.tsx
2026-02-17 12:22:36 +00:00

87 lines
2.5 KiB
TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import {deleteOneOrMany, fetchOne, upsertOne} from '@fluxer/api/src/database/Cassandra';
import type {CsamEvidenceLegalHoldRow} from '@fluxer/api/src/database/types/CsamTypes';
import {Logger} from '@fluxer/api/src/Logger';
import {CsamEvidenceLegalHolds} from '@fluxer/api/src/Tables';
export class CsamLegalHoldService {
private async toReportId(reportId: string): Promise<bigint> {
try {
return BigInt(reportId);
} catch (error) {
Logger.error({error, reportId}, 'Invalid report ID for CSAM legal hold');
throw error;
}
}
async hold(reportId: string, expiresAt?: Date): Promise<void> {
const id = await this.toReportId(reportId);
const row: CsamEvidenceLegalHoldRow = {
report_id: id,
held_until: expiresAt ?? null,
created_at: new Date(),
};
try {
await upsertOne(CsamEvidenceLegalHolds.insert(row));
} catch (error) {
Logger.error({error, reportId}, 'Failed to persist CSAM legal hold');
throw error;
}
}
async release(reportId: string): Promise<void> {
const id = await this.toReportId(reportId);
try {
await deleteOneOrMany(CsamEvidenceLegalHolds.deleteByPk({report_id: id}));
} catch (error) {
Logger.error({error, reportId}, 'Failed to release CSAM legal hold');
throw error;
}
}
async isHeld(reportId: string): Promise<boolean> {
const id = await this.toReportId(reportId);
try {
const row = await fetchOne<CsamEvidenceLegalHoldRow>(
CsamEvidenceLegalHolds.select({
where: CsamEvidenceLegalHolds.where.eq('report_id'),
limit: 1,
}).bind({report_id: id}),
);
if (!row) {
return false;
}
const now = Date.now();
if (row.held_until && row.held_until.getTime() < now) {
return false;
}
return true;
} catch (error) {
Logger.error({error, reportId}, 'Failed to fetch CSAM legal hold');
throw error;
}
}
}