算法评测平台前端。
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/*
* This file is part of SYZOJ.
*
* Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
*
* SYZOJ 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.
*
* SYZOJ 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 SYZOJ. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
let User = syzoj.model('user');
let Problem = syzoj.model('problem');
let WaitingJudge = syzoj.model('waiting_judge');
let JudgeState = syzoj.model('judge_state');
let TestData = syzoj.model('testdata');
function setLoginCookie(username, password, res) {
res.cookie('login', JSON.stringify([username, password]));
}
// Login
app.post('/api/login', async (req, res) => {
try {
res.setHeader('Content-Type', 'application/json');
let user = await User.fromName(req.body.username);
if (!user) res.send({ error_code: 1001 });
else if (user.password !== req.body.password) res.send({ error_code: 1002 });
else {
req.session.user_id = user.id;
setLoginCookie(user.username, user.password, res);
res.send({ error_code: 1 });
}
} catch (e) {
syzoj.log(e);
res.send({ error_code: e });
}
});
// Sign up
app.post('/api/sign_up', async (req, res) => {
try {
res.setHeader('Content-Type', 'application/json');
let user = await User.fromName(req.body.username);
if (user) throw 2008;
// Because the salt is "syzoj2_xxx" and the "syzoj2_xxx" 's md5 is"59cb..."
// the empty password 's md5 will equal "59cb.."
let syzoj2_xxx_md5 = '59cb65ba6f9ad18de0dcd12d5ae11bd2';
if (req.body.password === syzoj2_xxx_md5) throw 2007;
if (!(req.body.email = req.body.email.trim())) throw 2006;
if (!syzoj.utils.isValidUsername(req.body.username)) throw 2002;
user = await User.create({
username: req.body.username,
password: req.body.password,
email: req.body.email
});
await user.save();
req.session.user_id = user.id;
setLoginCookie(user.username, user.password, res);
res.send(JSON.stringify({ error_code: 1 }));
} catch (e) {
syzoj.log(e);
res.send(JSON.stringify({ error_code: e }));
}
});
// Markdown
app.post('/api/markdown', async (req, res) => {
try {
let s = await syzoj.utils.markdown(req.body.s.toString());
res.send(s);
} catch (e) {
syzoj.log(e);
res.send(e);
}
});
// APIs for judge client
app.get('/api/waiting_judge', async (req, res) => {
try {
if (req.query.session_id !== syzoj.config.judge_token) return res.status(404).send({ err: 'Permission denied' });
let judge_state;
await syzoj.utils.lock('/api/waiting_judge', async () => {
let waiting_judge = await WaitingJudge.findOne();
if (!waiting_judge) {
return;
}
judge_state = await waiting_judge.getJudgeState();
await judge_state.loadRelationships();
await judge_state.problem.loadRelationships();
await waiting_judge.destroy();
});
if (judge_state) {
res.send({
have_task: 1,
judge_id: judge_state.id,
code: judge_state.code,
language: judge_state.language,
testdata: judge_state.problem.testdata ? judge_state.problem.testdata.md5 : '',
time_limit: judge_state.problem.time_limit,
memory_limit: judge_state.problem.memory_limit,
file_io: judge_state.problem.file_io,
file_io_input_name: judge_state.problem.file_io_input_name,
file_io_output_name: judge_state.problem.file_io_output_name
});
} else {
res.send({ have_task: 0 });
}
} catch (e) {
res.status(500).send(e);
}
});
app.post('/api/update_judge/:id', async (req, res) => {
try {
if (req.query.session_id !== syzoj.config.judge_token) return res.status(404).send({ err: 'Permission denied' });
let judge_state = await JudgeState.fromID(req.params.id);
await judge_state.updateResult(JSON.parse(req.body.result));
await judge_state.save();
await judge_state.updateRelatedInfo();
res.send({ return: 0 });
} catch (e) {
syzoj.log(e);
res.status(500).send(e);
}
});
app.get('/static/uploads/:md5', async (req, res) => {
try {
res.sendFile(TestData.resolvePath(req.params.md5));
} catch (e) {
res.status(500).send(e);
}
});