prasi-api/pkgs/api/_upload.ts

80 lines
2.0 KiB
TypeScript

import mp from "@surfy/multipart-parser";
import { dirAsync, existsAsync } from "fs-jetpack";
import { format, parse, dirname } from "path";
import { apiContext } from "service-srv";
import { dir } from "utils/dir";
import { g } from "utils/global";
export const _ = {
url: "/_upload",
raw: true,
async api(body: any) {
const { req } = apiContext(this);
const raw = await req.arrayBuffer();
const parts = mp(Buffer.from(raw)) as Record<
string,
{ fileName: string; mime: string; type: string; buffer: Buffer }
>;
const result: string[] = [];
for (const [_, part] of Object.entries(parts)) {
result.push(await saveFile(req, part.fileName, part.buffer));
}
return new Response(JSON.stringify(result), {
headers: { "content-type": "application/json" },
});
},
};
const saveFile = async (
req: Request & {
params: any;
query_parameters: any;
},
fname: string,
part: any
) => {
const d = new Date();
let to: string = req.query_parameters["to"] || "";
if (!to) {
to = `/upload/${d.getFullYear()}-${d.getMonth()}/${d.getDate()}/${d.getTime()}-${fname}`;
} else {
to = to
.split("/")
.map((e) => e.replace(/\.\./gi, ""))
.filter((e) => !!e)
.join("/");
to = to.endsWith("/") ? to + fname : to + "/" + fname;
}
to = to.toLowerCase();
const pto = parse(to);
pto.name = pto.name.replace(/[\W_]+/gi, "-");
to = format(pto);
if (await existsAsync(dirname(to))) {
dirAsync(dirname(to));
}
while (await Bun.file(dir(`${g.datadir}/files/${to}`)).exists()) {
const p = parse(to);
const arr = p.name.split("-");
if (arr.length > 1) {
if (parseInt(arr[arr.length - 1])) {
arr[arr.length - 1] = parseInt(arr[arr.length - 1]) + 1 + "";
} else {
arr.push("1");
}
} else {
arr.push("1");
}
p.name = arr.filter((e) => e).join("-");
p.base = `${p.name}${p.ext}`;
to = format(p);
}
await Bun.write(dir(`${g.datadir}/files/${to}`), part);
return to;
};