From f834f6b334caef7979b263d1fe84267fc219424f Mon Sep 17 00:00:00 2001 From: root Date: Mon, 16 Jun 2025 16:58:12 -0400 Subject: [PATCH 1/1] Initial commit --- package-lock.json | 1005 ++++++++++++++++++++++++++++++++++++++++ package.json | 8 + server.js | 342 ++++++++++++++ systemd/ranker.service | 13 + 4 files changed, 1368 insertions(+) create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 server.js create mode 100644 systemd/ranker.service diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..4bf8529 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1005 @@ +{ + "name": "anubis_server", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "dependencies": { + "cors": "^2.8.5", + "crypto-js": "^4.2.0", + "express": "^4.21.2", + "pg": "^8.13.3" + } + }, + "node_modules/accepts": { + "version": "1.3.8", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", + "integrity": 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Marks +// +// This file is part of Babase. +// +// Babase 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 Babase. If not, see . +// +// +// Syntax: See usage() below. +// +// James D. Marks +// +// Bugs: +// +// server.js +const version = '2.14'; +const express = require('express'); +const { Pool } = require('pg'); +const path = require('path'); +const app = express(); +const cors = require('cors'); +const CryptoJS = require("crypto-js"); +const cryptokey = 'noevildeedliveon' +const port = 3000; +const productionport = 5432 +const developmentport = 5433 +const useport = developmentport + +// Serve static files from the 'build' directory +app.use(express.static(path.join(__dirname, 'build'))); + +// Handle any route by serving the index.html file +app.get('/', (req, res) => { + res.sendFile(path.join(__dirname, 'build', 'index.html')); +}); + +app.use(express.json()); + +/* ADDED FOR CORS RESOLUTION */ + +const corsOptions = { + origin: ['https://ranker-dev.biology.duke.edu', 'http://localhost:3005', 'http://papio.biology.duke.edu:3005'], //Allow requests from this origin + methods: 'GET,POST,PUT,DELETE', // Allowed methods + allowedHeaders: 'Content-Type,Authorization', // Allowed headers + credentials: true // Allow cookies +}; + +app.use(cors(corsOptions)); + +app.options('*', cors()); // Handle preflight requests for all routes + +/* ADDED FOR CORS RESOLUTION */ +//app.use(cors()); + +const packSuccessPayload = (response) => +{ + const data = {} + data.payload = response + data.apihandshake = true + return data +} + +const packErrorPayload = (message, err) => + { + const payload = {} + payload.message = message + payload.code = err ? err.code : -1 + payload.stack = err ? err.stack : 'no SQL exception raised' + + const data = {} + data.payload = payload + data.apihandshake = true + return data + } +// Health check +app.get('/api/', async (req, res) => { + try { + res.send('Ranker service v' + version + ' online'); + } catch (err) { + console.error(err); + res.status(500).send('Server error'); + } +}); + +// GET endpoint to retrieve all ranks +app.get('/api/Ranks', async (req, res) => { + const sessionpool = getSession(req) + if(sessionpool){ + try { + const client = await sessionpool.pool.connect(); + const result = await client.query('SELECT * FROM Ranks limit 10'); + client.release(); + res.json(packSuccessPayload(result.rows)); + } catch (err) { + console.error(err); + res.status(500).send('Server error'); + } + } + else + { + res.setHeader('Set-Cookie', "rankersession={}; Max-Age=-99999999;" + "path=/;"); + res.status(500).send(packErrorPayload('Invalid session', undefined)) + } +}); + +app.post('/api/SQL', async (req, res) => { + const sessionpool = getSession(req) + if(sessionpool){ + const { sql } = req.body; + //console.log(sql) + try { + const client = await sessionpool.pool.connect(); + const result = await client.query(sql); + client.release(); + const data = {} + res.status(200).json(packSuccessPayload(result.rows)); + } catch (err) { + console.error(err); + res.status(500).send(packErrorPayload('Server error', err)); + } + } + else + { + res.setHeader('Set-Cookie', "rankersession={}; Max-Age=-99999999;" + "path=/;"); + res.status(500).send(packErrorPayload('Invalid session', undefined)) + } +}); + +app.post('/api/saveranks', async (req, res) => { + const sessionpool = getSession(req) + if(sessionpool){ + const { deletepayload, insertpayload, deriveadultranks } = req.body; + const client = await sessionpool.pool.connect(); + try { + await client.query('BEGIN'); + const result = await client.query(deletepayload.sql, [deletepayload.params.grp, deletepayload.params.rnktype, deletepayload.params.rnkdate]); + for(let i = 0; i < insertpayload.params.ranking.length; i++){ + await client.query(insertpayload.sql, [insertpayload.params.ranking[i].sname, insertpayload.params.rnkdate, insertpayload.params.grp, insertpayload.params.rnktype, insertpayload.params.ranking[i].index+1]); + } + const primaryLog = 'PRIMARY: old ranks deleted. ' + String(insertpayload.params.ranking.length) + ' rows inserted.' + let derivativeLog = undefined + if(deriveadultranks) + { + const originalrnktype = insertpayload.params.rnktype + const rnktype = originalrnktype.replace('L', 'D') + const maturedSubset = insertpayload.params.ranking.filter(element => element.matured != null) + const maturedRanking = maturedSubset.map(({sname}, index) => ({sname, index})) + const resultadults = await client.query(deletepayload.sql, [deletepayload.params.grp,rnktype, deletepayload.params.rnkdate]); + for(let i = 0; i < maturedRanking.length; i++){ + await client.query(insertpayload.sql, [maturedRanking[i].sname, insertpayload.params.rnkdate, insertpayload.params.grp, rnktype, maturedRanking[i].index+1]); + } + derivativeLog = 'DERIVATIVE: old ranks deleted. ' + String(maturedRanking.length) + ' rows inserted.' + } + await client.query('COMMIT'); + const log = derivativeLog ? primaryLog + ' ' + derivativeLog : primaryLog + res.status(200).json(packSuccessPayload(log)); + } catch (err) { + await client.query('ROLLBACK') + res.status(500).send(packErrorPayload('Server error', err)); + } + client.release(); + } + else + { + res.setHeader('Set-Cookie', "rankersession={}; Max-Age=-99999999;" + "path=/;"); + res.status(500).send(packErrorPayload('Invalid session', undefined)) + } +}); + +/* AUTHENTICATION */ + +const pools = [] + +// PostgreSQL connection configuration +const addPool = (session, user, pwd, db, expires) => { + const newpool = new Pool({ + host: 'localhost', + user: user, + password: pwd, + database: db, + port: useport + }) + + const poolsession = {} + poolsession.session = session + poolsession.expires = expires + poolsession.user = user + poolsession.database = db + poolsession.pool = newpool + + pools.push(poolsession) + + //console.log('added session: ', poolsession.session) +} + +const removePool = (session) => { + const removeIndex = pools.findIndex(pool => pool.session === session) + if(removeIndex >= 0) + { + pools.splice(removeIndex, 1) + } +} + +function getSession(req){ + const cookies = parseCookies(req.headers.cookie || ''); + const sessionCookie = cookies.rankersession + let sessionpool + if(sessionCookie) + { + const rankersession = JSON.parse(sessionCookie) + //console.log(sessionCookie, rankersession.user, rankersession.session) + sessionpool = pools.find(pool => pool.session === rankersession.session) + } + return sessionpool +} + +app.get('/api/sessionvalid', async (req, res) => { + const sessionpool = getSession(req) + //console.log('sessionpool', sessionpool) + if(sessionpool){ + res.status(200).send('Valid session') + } + else + { + res.setHeader('Set-Cookie', "rankersession={}; Max-Age=-99999999;" + "path=/;"); + res.status(500).send('Invalid session') + } +}); + +function parseCookies(cookieString) { + const cookies = {}; + if (cookieString) { + cookieString.split(';').forEach(cookie => { + const parts = cookie.split('='); + const key = parts.shift().trim(); + const value = parts.join('=').trim(); + cookies[key] = value; + }); + } + return cookies; +} + +app.get('/api/testcookie', async (req, res) => { + const now = new Date(); + now.setTime(now.getTime() + (4 * 60 * 60 * 1000)); // 4 hours in milliseconds + const expires = "expires=" + now.toUTCString(); + const session = '03c32223-aacd-432f-afe2-87513112d622'; + const user = 'jdm187' + const rankersession = JSON.stringify({session: session, user: user}); + //res.setHeader('Set-Cookie', "username=JimMarks;" + expires + ";path=/"); + res.setHeader('Set-Cookie', "rankersession=" + rankersession + ";" + expires + ";path=/"); + res.send('success') +}); + +app.get('/api/testcookiedelete', async (req, res) => { + res.setHeader('Set-Cookie', "rankersession={}; Max-Age=-99999999;" + "path=/;"); + res.send('success') +}); + +app.get('/api/testsuccess', async (req, res) => { + const response = {} + response.apihandshake = 'true' + response.data = 'testsuccess' + res.status(200).send(response) +}); +app.get('/api/testfailure', async (req, res) => { + const response = {} + response.apihandshake = 'true' + response.data = 'testfailure' + res.status(500).send(response) +}); + + +app.post('/api/sessioncreate', async (req, res) => { + //console.log(req.body) + const origin = req.get('host') + const session = crypto.randomUUID() + const { user, pwd, database } = req.body + + const now = new Date(); + const expires = new Date(); + expires.setTime(expires.getTime() + (8 * 60 * 60 * 1000)); // 4 hours in milliseconds + const expiresISO = expires.toISOString(); + const expiresUTC = expires.toUTCString(); + const rankersession = JSON.stringify({session: session, user: user}); + + const decr = CryptoJS.AES.decrypt(pwd, 'noevildeedliveon'); + const passwordDecrypt = decr.toString(CryptoJS.enc.Utf8); + + addPool(session, user, passwordDecrypt, database, expiresISO) + + /* CLEAN UP SESSION POOLS */ + const inactivepools = pools.filter(pool => new Date(pool.expires) < now) + inactivepools.forEach(pool => { + const inactivesession = pool.session; + removePool(inactivesession); + //console.log('removed inactive session: ', inactivesession) + }) + /* END: CLEAN UP SESSION POOLS */ + + const sessionpool = pools.find(pool => pool.session === session) + var status = false + if(sessionpool) + { + try { + const client = await sessionpool.pool.connect(); + const result = await client.query( + `SELECT True HealthCheck` + ); + client.release(); + //console.log(result) + //console.log(pools) + // for(let element of pools) + // { + // console.log(element.session, element.expires, expiresISO) + // } + res.setHeader('Set-Cookie', "rankersession=" + rankersession + ";" + "expires='" + expiresUTC + "';" + "path=/;" ) + res.status(201).json(packSuccessPayload("success")) + } catch (err) { + //console.log(err.routine) + removePool(sessionpool.session) + res.status(500).json(packErrorPayload(err, err)) + } + } +}); + +/* END: AUTHENTICATION */ + +app.listen(port, () => { + console.log(`Anubis Server v` + version + ` listening at http://localhost:${port}`); +}); diff --git a/systemd/ranker.service b/systemd/ranker.service new file mode 100644 index 0000000..467cfde --- /dev/null +++ b/systemd/ranker.service @@ -0,0 +1,13 @@ +[Unit] +Description=ranker data server + +[Service] +User=root +WorkingDirectory=/opt/ranker/anubis_server +ExecStart=node server.js +# optional items below +Restart=always +RestartSec=3 + +[Install] +WantedBy=multi-user.target -- 2.34.1