82 lines
3.9 KiB
JavaScript
82 lines
3.9 KiB
JavaScript
import { createServer } from "node:http";
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import { readFileSync, mkdtempSync, rmSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { academicStartYear, todayIso } from "../../shared/weeks.js";
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// A stand-in for the university's Nextcloud that serves the fixtures as a small catalog, and the
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// real API server started against it with a temporary data folder.
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export const SHARE = "/public.php/dav/files/no5zKbMrns6j5jQ/";
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export const fixture = (name) => readFileSync(new URL(`../fixtures/${name}`, import.meta.url));
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const year = academicStartYear(todayIso());
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const YEAR = `${year}-${year + 1}`;
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const FOLDER = `${SHARE}${YEAR}/Финансово-экономический факультет/Дневная форма/`;
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const MODIFIED = "Mon, 14 Sep 2026 13:05:15 GMT";
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const files = {
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[`${SHARE}Расписание белых и зеленых недель.docx`]: fixture("weeks.docx"),
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[`${SHARE}Расписание звонков.docx`]: fixture("bells.docx"),
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[`${FOLDER}23-ЛГ_23-БА.docx`]: fixture("fef-23-ba.docx"),
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[`${FOLDER}24-ИТ.docx`]: fixture("fit-daily.docx"),
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// The university fails on one document and is too slow on another.
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[`${FOLDER}Сломанный.docx`]: 500,
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[`${FOLDER}Медленный.docx`]: "slow",
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};
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const folders = [SHARE, `${SHARE}${YEAR}/`, `${SHARE}${YEAR}/Финансово-экономический факультет/`, FOLDER];
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const encode = (path) => path.split("/").map(encodeURIComponent).join("/");
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const listing = (folder) => {
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const children = [...folders.filter((f) => f !== folder && f.startsWith(folder) && !f.slice(folder.length, -1).includes("/")),
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...Object.keys(files).filter((f) => f.startsWith(folder) && !f.slice(folder.length).includes("/"))];
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const entry = (path) => {
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const folder = path.endsWith("/");
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const size = Buffer.isBuffer(files[path]) ? files[path].length : 1000;
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return `<d:response><d:href>${encode(path)}</d:href><d:propstat><d:prop>${
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folder ? "<d:resourcetype><d:collection/></d:resourcetype>" : `<d:resourcetype/><d:getcontentlength>${size}</d:getcontentlength>`
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}<d:getlastmodified>${MODIFIED}</d:getlastmodified></d:prop><d:status>HTTP/1.1 200 OK</d:status></d:propstat></d:response>`;
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};
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return `<?xml version="1.0"?><d:multistatus xmlns:d="DAV:">${[folder, ...children].map(entry).join("")}</d:multistatus>`;
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};
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/**
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* Starts the stand-in and the API server; `env` adds settings such as lower limits.
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* Returns the server's base URL, request statistics of the stand-in and `stop()`.
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*/
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export async function startApi(env = {}) {
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const stats = { requests: 0, connections: 0 };
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const source = createServer((req, res) => {
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stats.requests++;
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const path = decodeURIComponent(req.url);
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if (req.method === "PROPFIND" && folders.includes(path)) {
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res.writeHead(207, { "Content-Type": "application/xml" });
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return res.end(listing(path));
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}
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const body = files[path];
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if (body === "slow") return setTimeout(() => res.end("late"), 2000);
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if (typeof body === "number" || !body) return res.writeHead(body || 404).end();
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res.end(body);
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});
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source.on("connection", () => stats.connections++);
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await new Promise((resolve) => source.listen(0, "127.0.0.1", resolve));
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const data = mkdtempSync(join(tmpdir(), "psu-api-"));
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Object.assign(process.env, {
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PSU_SOURCE_ORIGIN: `http://127.0.0.1:${source.address().port}`,
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PSU_DATA_DIR: data,
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PSU_SOURCE_TIMEOUT_MS: "500",
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...env,
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});
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const { app } = await import("../../server/index.js");
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const server = app.listen(0, "127.0.0.1");
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await new Promise((resolve) => server.on("listening", resolve));
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return {
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base: `http://127.0.0.1:${server.address().port}`,
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stats,
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stop() {
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server.close();
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server.closeAllConnections();
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source.closeAllConnections();
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source.close();
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rmSync(data, { recursive: true, force: true });
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},
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};
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}
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