baoshuo/UOJ-Luogu-RemoteJudge
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feat: luogu remote judger

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This commit is contained in:
Baoshuo Ren 2023-03-21 19:14:43 +08:00
parent e92475e70a
commit ce4fdc1523
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
12 changed files with 1036 additions and 0 deletions
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1
.gitignore vendored Normal file
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node_modules/

14
luogu_remote_judger/.prettierrc Normal file
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{
"arrowParens": "avoid",
"bracketSpacing": true,
"endOfLine": "lf",
"jsxSingleQuote": false,
"printWidth": 120,
"proseWrap": "preserve",
"quoteProps": "as-needed",
"semi": true,
"singleQuote": true,
"tabWidth": 2,
"useTabs": false,
"organizeImportsSkipDestructiveCodeActions": true
}

2
luogu_remote_judger/add_judger.sql Normal file
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USE `app_uoj233`;
insert into judger_info (judger_name, password, ip) values ('luogu_remote_judger', '_judger_password_', 's2oj-luogu-remote-judger');

181
luogu_remote_judger/daemon.js Normal file
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import fs from 'fs-extra';
import superagent from 'superagent';
import path from 'node:path';
import child from 'node:child_process';
import Luogu, { getAccountInfoFromEnv } from './luogu.js';
import Logger from './utils/logger.js';
import sleep from './utils/sleep.js';
import * as TIME from './utils/time.js';
import htmlspecialchars from './utils/htmlspecialchars.js';
const logger = new Logger('daemon');
async function daemon(config) {
function request(url, data) {
const req_url = `${config.server_url}/judge${url}`;
logger.debug('request', req_url, data);
return superagent
.post(req_url)
.set('Content-Type', 'application/x-www-form-urlencoded')
.send(
Object.entries({
judger_name: config.judger_name,
password: config.password,
...data,
})
.map(([k, v]) => `${k}=${encodeURIComponent(typeof v === 'string' ? v : JSON.stringify(v))}`)
.join('&')
);
}
const luogu = new Luogu(getAccountInfoFromEnv());
logger.info('Daemon started.');
while (true) {
try {
await sleep(TIME.second);
const { text, error } = await request('/submit');
if (error) {
logger.error('/submit', error.message);
continue;
}
if (text.startsWith('Nothing to judge')) {
logger.debug('Nothing to judge.');
continue;
}
const data = JSON.parse(text);
const { id, content, judge_time } = data;
const config = Object.fromEntries(content.config);
const tmpdir = `/tmp/s2oj_rmj/${id}/`;
if (config.test_sample_only === 'on') {
await request('/submit', {
submit: 1,
fetch_new: 0,
id,
result: JSON.stringify({
status: 'Judged',
score: 100,
time: 0,
memory: 0,
details: '<info-block>Sample test is not available.</info-block>',
}),
judge_time,
});
continue;
}
fs.ensureDirSync(tmpdir);
let code = '';
try {
// =========================
// Download source code
// =========================
logger.debug('Downloading source code for ' + id);
const zipFilePath = path.resolve(tmpdir, 'all.zip');
const res = request(`/download${content.file_name}`);
const stream = fs.createWriteStream(zipFilePath);
res.pipe(stream);
await new Promise((resolve, reject) => {
stream.on('finish', resolve);
stream.on('error', reject);
});
// =========================
// Extract source code
// =========================
logger.debug('Extracting source code for ' + id);
const extractedPath = path.resolve(tmpdir, 'all');
await new Promise((resolve, reject) => {
child.exec(`unzip ${zipFilePath} -d ${extractedPath}`, e => {
if (e) reject(e);
else resolve(true);
});
});
// =========================
// Read source code
// =========================
logger.debug('Reading source code.', id);
const sourceCodePath = path.resolve(extractedPath, 'answer.code');
code = fs.readFileSync(sourceCodePath, 'utf-8');
} catch (e) {
await request('/submit', {
submit: 1,
fetch_new: 0,
id,
result: JSON.stringify({
status: 'Judged',
score: 0,
error: 'Judgement Failed',
details: `<error>Failed to download and extract source code.</error>`,
}),
judge_time,
});
logger.error('Failed to download and extract source code.', id, e.message);
fs.removeSync(tmpdir);
continue;
}
// =========================
// Start judging
// =========================
logger.info('Start judging', id, `(problem ${data.problem_id})`);
try {
await luogu.judge(id, config.luogu_pid, config.answer_language, code, judge_time, config, request);
} catch (err) {
await request('/submit', {
submit: 1,
fetch_new: 0,
id,
result: JSON.stringify({
status: 'Judged',
score: 0,
error: 'Judgement Failed',
details: `<error>${htmlspecialchars(err.message)}</error>`,
}),
judge_time,
});
logger.error('Judgement Failed.', id, err.message);
fs.removeSync(tmpdir);
continue;
}
fs.removeSync(tmpdir);
} catch (err) {
logger.error(err.message);
}
}
}
export default daemon;

16
luogu_remote_judger/entrypoint.js Normal file
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import daemon from './daemon.js';
const {
UOJ_PROTOCOL = 'http',
UOJ_HOST = 'uoj-web',
UOJ_JUDGER_NAME = 'luogu_remote_judger',
UOJ_JUDGER_PASSWORD = '',
} = process.env;
const UOJ_BASEURL = `${UOJ_PROTOCOL}://${UOJ_HOST}`;
daemon({
server_url: UOJ_BASEURL,
judger_name: UOJ_JUDGER_NAME,
password: UOJ_JUDGER_PASSWORD,
});

377
luogu_remote_judger/luogu.js Normal file
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import superagent from 'superagent';
import Logger from './utils/logger.js';
import sleep from './utils/sleep.js';
import htmlspecialchars from './utils/htmlspecialchars.js';
const logger = new Logger('remote/luogu');
const USER_AGENT = 'UniversalOJ/1.0 UOJ-Luogu-RemoteJudge/1.0 ( https://github.com/renbaoshuo/UOJ-Luogu-RemoteJudge )';
const HTTP_ERROR_MAP = {
400: 'Bad Request',
401: 'Unauthorized',
402: 'Payment Required',
403: 'Forbidden',
404: 'Not Found',
405: 'Method Not Allowed',
500: 'Internal Server Error',
502: 'Bad Gateway',
503: 'Service Unavailable',
504: 'Gateway Timeout',
};
const STATUS_MAP = [
'Waiting',
'Judging',
'Compile Error',
'Output Limit Exceeded',
'Memory Limit Exceeded',
'Time Limit Exceeded',
'Wrong Answer',
'Runtime Error',
0,
0,
0,
'Judgment Failed',
'Accepted',
0,
'Wrong Answer', // WA
];
const LANGS_MAP = {
C: {
id: 'c/99/gcc',
name: 'C',
comment: '//',
},
'C++': {
id: 'cxx/98/gcc',
name: 'C++ 98',
comment: '//',
},
'C++11': {
id: 'cxx/11/gcc',
name: 'C++ 11',
comment: '//',
},
Python3: {
id: 'python3/c',
name: 'Python 3',
comment: '#',
},
Java8: {
id: 'java/8',
name: 'Java 8',
comment: '//',
},
Pascal: {
id: 'pascal/fpc',
name: 'Pascal',
comment: '//',
},
};
function buildLuoguTestCaseInfoBlock(test) {
const attrs = [
['num', test.id],
['info', STATUS_MAP[test.status]],
['time', test.time || -1],
['memory', test.memory || -1],
['score', test.score || ''],
]
.map(o => `${o[0]}="${o[1]}"`)
.join(' ');
const desc = htmlspecialchars(test.description || '');
return `<test ${attrs}><res>${desc}</res></test>`;
}
export default class Luogu {
account;
constructor(account) {
if (!account) {
throw new Error('No account info provided');
}
this.account = account;
}
get(url) {
if (!url.includes('//')) {
url = `${this.account.endpoint || 'https://open-v1.lgapi.cn'}${url}`;
}
logger.debug('get', url, this.cookie);
const req = superagent
.get(url)
.set('User-Agent', USER_AGENT)
.auth(this.account.username, this.account.password)
.set('X-Requested-With', 'S2OJ Remote Judge (OpenSource Version)');
return req;
}
post(url) {
if (!url.includes('//')) {
url = `${this.account.endpoint || 'https://open-v1.lgapi.cn'}${url}`;
}
logger.debug('post', url);
const req = superagent
.post(url)
.set('User-Agent', USER_AGENT)
.auth(this.account.username, this.account.password)
.set('X-Requested-With', 'S2OJ Remote Judge (OpenSource Version)');
return req;
}
async submitProblem(id, lang, code, submissionId, next, end) {
if (code.length < 10) {
await end({
error: true,
status: 'Compile Error',
message: 'Code too short',
});
return null;
}
const programType = LANGS_MAP[lang] || LANGS_MAP['C++'];
const comment = programType.comment;
if (comment) {
const msg = `S2OJ Submission #${submissionId} @ ${new Date().getTime()}`;
if (typeof comment === 'string') code = `${comment} ${msg}\n${code}`;
else if (comment instanceof Array) code = `${comment[0]} ${msg} ${comment[1]}\n${code}`;
}
const result = await this.post('/judge/problem')
.send({
pid: id,
code,
lang: programType.id,
o2: 1,
trackId: submissionId,
})
.ok(status => true);
if (HTTP_ERROR_MAP[result.status]) {
await end({
error: true,
status: 'Judgment Failed',
message: `[Luogu] ${HTTP_ERROR_MAP[result.status]}.`,
});
logger.error('submitProblem', result.status, HTTP_ERROR_MAP[result.status]);
return null;
}
return result.body.requestId;
}
async waitForSubmission(id, next, end) {
let fail = 0;
let count = 0;
while (count < 360 && fail < 60) {
await sleep(500);
count++;
try {
const result = await this.get(`/judge/result?id=${id}`);
if (HTTP_ERROR_MAP[result.status]) {
await end({
error: true,
status: 'Judgment Failed',
message: `[Luogu] ${HTTP_ERROR_MAP[result.status]}.`,
});
logger.error('submitProblem', result.status, HTTP_ERROR_MAP[result.status]);
return null;
}
const data = result.body.data;
if (result.status == 204) {
await next({ status: '[Luogu] Judging' });
continue;
}
if (result.status == 200 && !data) {
return await end({
error: true,
id,
status: 'Judgment Failed',
message: 'Failed to fetch submission details.',
});
}
if (data.compile && data.compile.success === false) {
return await end({
error: true,
id,
status: 'Compile Error',
message: data.compile.message,
});
}
if (!data.judge?.subtasks) continue;
const finishedTestCases = Object.entries(data.judge.subtasks)
.map(o => o[1])
.reduce(
(acc, sub) =>
acc +
Object.entries(sub.cases)
.map(o => o[1])
.filter(test => test.status >= 2).length,
0
);
await next({
status: `[Luogu] Judging (${finishedTestCases} judged)`,
});
if (data.status < 2) continue;
logger.info('RecordID:', id, 'done');
let details = '';
details += '<tests>';
if (data.judge.subtasks.length === 1) {
details += Object.entries(data.judge.subtasks[0].cases)
.map(o => o[1])
.map(buildLuoguTestCaseInfoBlock)
.join('\n');
} else {
details += Object.entries(data.judge.subtasks)
.map(o => o[1])
.map(
(subtask, index) =>
`<subtask num="${index}" info="${STATUS_MAP[subtask.status]}" time="${subtask.time || -1}" memory="${
subtask.memory || -1
}" score="${subtask.score || ''}">${Object.entries(subtask.cases)
.map(o => o[1])
.map(buildLuoguTestCaseInfoBlock)
.join('\n')}</subtask>`
)
.join('\n');
}
details += '</tests>';
return await end({
id,
status: STATUS_MAP[data.judge.status],
score:
STATUS_MAP[data.judge.status] === 'Accepted'
? 100
: // Workaround for UOJ feature
Math.min(97, data.judge.score),
time: data.judge.time,
memory: data.judge.memory,
details,
});
} catch (e) {
logger.error(e);
fail++;
}
}
return await end({
error: true,
id,
status: 'Judgment Failed',
message: 'Failed to fetch submission details.',
});
}
async judge(id, pid, lang, code, judge_time, config, request) {
const next = payload =>
request('/submit', {
'update-status': 1,
fetch_new: 0,
id,
status: payload.status || (payload.test_id ? `Judging Test #${payload.test_id}` : 'Judging'),
});
const end = payload => {
if (payload.error) {
return request('/submit', {
submit: 1,
fetch_new: 0,
id,
result: JSON.stringify({
status: 'Judged',
score: 0,
error: payload.status,
details:
payload.details ||
'<div>' +
`<info-block>ID = ${payload.id || 'None'}</info-block>` +
`<error>${htmlspecialchars(payload.message)}</error>` +
'</div>',
}),
judge_time,
});
}
return request('/submit', {
submit: 1,
fetch_new: 0,
id,
result: JSON.stringify({
status: 'Judged',
score: payload.score,
time: payload.time,
memory: payload.memory,
details:
payload.details ||
'<div>' +
`<info-block>REMOTE_SUBMISSION_ID = ${payload.id || 'None'}\nVERDICT = ${payload.status}</info-block>` +
'</div>',
}),
judge_time,
});
};
try {
const rid = await this.submitProblem(pid, lang, code, id, next, end);
if (!rid) return;
await this.waitForSubmission(rid, next, end);
} catch (e) {
logger.error(e);
await end({
error: true,
status: 'Judgment Failed',
message: e.message,
});
}
}
}
export function getAccountInfoFromEnv() {
const { LUOGU_API_USERNAME, LUOGU_API_PASSWORD, LUOGU_API_ENDPOINT = 'https://open-v1.lgapi.cn' } = process.env;
if (!LUOGU_API_USERNAME || !LUOGU_API_PASSWORD) return null;
const account = {
type: 'luogu-api',
username: LUOGU_API_USERNAME,
password: LUOGU_API_PASSWORD,
endpoint: LUOGU_API_ENDPOINT,
};
return account;
}

388
luogu_remote_judger/package-lock.json generated Normal file
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25
luogu_remote_judger/package.json Normal file
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@ -0,0 +1,25 @@
{
"name": "s2oj-luogu-remote-judger",
"version": "0.0.0",
"description": "Luogu remote judger for S2OJ.",
"private": true,
"main": "entrypoint.js",
"type": "module",
"scripts": {
"start": "node entrypoint.js"
},
"repository": {
"type": "git",
"url": "git+https://github.com/renbaoshuo/S2OJ.git"
},
"author": "Baoshuo <i@baoshuo.ren>",
"bugs": {
"url": "https://github.com/renbaoshuo/S2OJ/issues"
},
"homepage": "https://github.com/renbaoshuo/S2OJ#readme",
"dependencies": {
"fs-extra": "^11.1.1",
"reggol": "^1.3.5",
"superagent": "^8.0.9"
}
}

11
luogu_remote_judger/utils/htmlspecialchars.js Normal file
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@ -0,0 +1,11 @@
export default function htmlspecialchars(text) {
const map = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#039;',
};
return text.replace(/[&<>"']/g, m => map[m]);
}

11
luogu_remote_judger/utils/logger.js Normal file
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@ -0,0 +1,11 @@
import Logger from 'reggol';
Logger.levels.base = process.env.DEV ? 3 : 2;
Logger.targets[0].showTime = 'dd hh:mm:ss';
Logger.targets[0].label = {
align: 'right',
width: 9,
margin: 1,
};
export default Logger;

5
luogu_remote_judger/utils/sleep.js Normal file
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@ -0,0 +1,5 @@
export default function sleep(timeout) {
return new Promise(resolve => {
setTimeout(() => resolve(true), timeout);
});
}

5
luogu_remote_judger/utils/time.js Normal file
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@ -0,0 +1,5 @@
export const second = 1000;
export const minute = second * 60;
export const hour = minute * 60;
export const day = hour * 24;
export const week = day * 7;