mirror of
https://github.com/streetwriters/notesnook.git
synced 2025-12-16 11:47:54 +01:00
116 lines
3.3 KiB
TypeScript
116 lines
3.3 KiB
TypeScript
/*
|
|
This file is part of the Notesnook project (https://notesnook.com/)
|
|
|
|
Copyright (C) 2023 Streetwriters (Private) Limited
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import { lazify } from "../utils/lazify";
|
|
import { Attachment } from "@notesnook/core";
|
|
import { db } from "./db";
|
|
|
|
async function download(hash: string, groupId?: string) {
|
|
const attachment = db.attachments.attachment(hash);
|
|
if (!attachment) return;
|
|
const downloadResult = await db
|
|
.fs()
|
|
.downloadFile(
|
|
groupId || attachment.metadata.hash,
|
|
attachment.metadata.hash,
|
|
attachment.chunkSize,
|
|
attachment.metadata
|
|
);
|
|
if (!downloadResult) throw new Error("Failed to download file.");
|
|
|
|
const key = await db.attachments.decryptKey(attachment.key);
|
|
if (!key) throw new Error("Invalid key for attachment.");
|
|
|
|
return { key, attachment };
|
|
}
|
|
|
|
export async function saveAttachment(hash: string) {
|
|
const response = await download(hash);
|
|
if (!response) return;
|
|
|
|
const { attachment, key } = response;
|
|
await lazify(import("../interfaces/fs"), ({ default: FS }) =>
|
|
FS.saveFile(attachment.metadata.hash, {
|
|
key,
|
|
iv: attachment.iv,
|
|
name: attachment.metadata.filename,
|
|
type: attachment.metadata.type,
|
|
isUploaded: !!attachment.dateUploaded
|
|
})
|
|
);
|
|
}
|
|
|
|
type OutputTypeToReturnType = {
|
|
blob: Blob;
|
|
base64: string;
|
|
text: string;
|
|
};
|
|
export async function downloadAttachment<
|
|
TType extends "blob" | "base64" | "text",
|
|
TOutputType = OutputTypeToReturnType[TType]
|
|
>(
|
|
hash: string,
|
|
type: TType,
|
|
groupId?: string
|
|
): Promise<TOutputType | undefined> {
|
|
const response = await download(hash, groupId);
|
|
if (!response) return;
|
|
const { attachment, key } = response;
|
|
|
|
if (type === "base64" || type === "text")
|
|
return (await db.attachments.read(hash, type)) as TOutputType;
|
|
|
|
const blob = await lazify(import("../interfaces/fs"), ({ default: FS }) =>
|
|
FS.decryptFile(attachment.metadata.hash, {
|
|
key,
|
|
iv: attachment.iv,
|
|
name: attachment.metadata.filename,
|
|
type: attachment.metadata.type,
|
|
isUploaded: !!attachment.dateUploaded
|
|
})
|
|
);
|
|
|
|
if (!blob) return;
|
|
return blob as TOutputType;
|
|
}
|
|
|
|
export async function checkAttachment(hash: string) {
|
|
const attachment = db.attachments.attachment(hash);
|
|
if (!attachment) return { failed: "Attachment not found." };
|
|
|
|
try {
|
|
const size = await lazify(import("../interfaces/fs"), ({ default: FS }) =>
|
|
FS.getUploadedFileSize(hash)
|
|
);
|
|
if (size <= 0) return { failed: "File length is 0." };
|
|
} catch (e) {
|
|
return { failed: e instanceof Error ? e.message : "Unknown error." };
|
|
}
|
|
return { success: true };
|
|
}
|
|
|
|
const ABYTES = 17;
|
|
export function getTotalSize(attachments: Attachment[]) {
|
|
let size = 0;
|
|
for (const attachment of attachments) {
|
|
size += attachment.length + ABYTES;
|
|
}
|
|
return size;
|
|
}
|