reworks, docs and new api
This commit is contained in:
parent
c4e4b9121e
commit
4dee438cf7
2
db.psql
2
db.psql
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@ -10,7 +10,7 @@ CREATE TABLE IF NOT EXISTS Users (
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CREATE TABLE IF NOT EXISTS Chats (
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ID SERIAL,
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name VARCHAR(32), --chat name
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name VARCHAR(128), --chat name
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admins INT[], -- to table Users, column ID.
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messages INT[] -- ref to table Messages, column ID.
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);
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@ -3,8 +3,10 @@ version: "3.3"
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services:
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chat:
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build: .
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restart: always
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ports:
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- 8080:8080
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- 8080:8080 # HTTP
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- 8081:8081 # Websocket
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networks:
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ne_nuzhen:
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ipv4_address: 10.5.0.5
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@ -18,7 +20,8 @@ services:
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networks:
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ne_nuzhen:
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ipv4_address: 10.5.0.6
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volumes:
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- ./postgres:/var/lib/postgresql/data
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environment:
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POSTGRES_USER: smk # The PostgreSQL user (useful to connect to the database)
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POSTGRES_PASSWORD: CHANGEME # The PostgreSQL password (useful to connect to the database)
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@ -15,7 +15,8 @@
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"express": "^4.19.2",
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"express-session": "^1.18.0",
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"nodemon": "^3.1.3",
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"pg": "^8.12.0"
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"pg": "^8.12.0",
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"ws": "^8.17.0"
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}
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},
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"node_modules/@mapbox/node-pre-gyp": {
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@ -201,6 +202,20 @@
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"node": ">=8"
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}
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},
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"node_modules/bufferutil": {
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"version": "4.0.8",
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"resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.8.tgz",
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"integrity": "sha512-4T53u4PdgsXqKaIctwF8ifXlRTTmEPJ8iEPWFdGZvcf7sbwYo6FKFEX9eNNAnzFZ7EzJAQ3CJeOtCRA4rDp7Pw==",
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"hasInstallScript": true,
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"optional": true,
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"peer": true,
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"dependencies": {
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"node-gyp-build": "^4.3.0"
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},
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"engines": {
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"node": ">=6.14.2"
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}
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},
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"node_modules/bytes": {
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"version": "3.1.2",
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"resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
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@ -1063,6 +1078,18 @@
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}
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}
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},
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"node_modules/node-gyp-build": {
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"version": "4.8.1",
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"resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.1.tgz",
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"integrity": "sha512-OSs33Z9yWr148JZcbZd5WiAXhh/n9z8TxQcdMhIOlpN9AhWpLfvVFO73+m77bBABQMaY9XSvIa+qk0jlI7Gcaw==",
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"optional": true,
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"peer": true,
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"bin": {
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"node-gyp-build": "bin.js",
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"node-gyp-build-optional": "optional.js",
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"node-gyp-build-test": "build-test.js"
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}
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},
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"node_modules/nodemon": {
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"version": "3.1.3",
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"resolved": "https://registry.npmjs.org/nodemon/-/nodemon-3.1.3.tgz",
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@ -1723,6 +1750,20 @@
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"node": ">= 0.8"
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}
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},
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"node_modules/utf-8-validate": {
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"version": "5.0.10",
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"resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.10.tgz",
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"integrity": "sha512-Z6czzLq4u8fPOyx7TU6X3dvUZVvoJmxSQ+IcrlmagKhilxlhZgxPK6C5Jqbkw1IDUmFTM+cz9QDnnLTwDz/2gQ==",
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"hasInstallScript": true,
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"optional": true,
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"peer": true,
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"dependencies": {
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"node-gyp-build": "^4.3.0"
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},
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"engines": {
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"node": ">=6.14.2"
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}
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},
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"node_modules/util-deprecate": {
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"version": "1.0.2",
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"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
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@ -1771,6 +1812,26 @@
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"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
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"integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
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},
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"node_modules/ws": {
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"version": "8.17.0",
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"resolved": "https://registry.npmjs.org/ws/-/ws-8.17.0.tgz",
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"integrity": "sha512-uJq6108EgZMAl20KagGkzCKfMEjxmKvZHG7Tlq0Z6nOky7YF7aq4mOx6xK8TJ/i1LeK4Qus7INktacctDgY8Ow==",
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"engines": {
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"node": ">=10.0.0"
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},
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"peerDependencies": {
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"bufferutil": "^4.0.1",
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"utf-8-validate": ">=5.0.2"
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},
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"peerDependenciesMeta": {
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"bufferutil": {
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"optional": true
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},
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"utf-8-validate": {
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"optional": true
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}
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}
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},
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"node_modules/xtend": {
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"version": "4.0.2",
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"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
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@ -20,6 +20,7 @@
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"express": "^4.19.2",
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"express-session": "^1.18.0",
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"nodemon": "^3.1.3",
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"pg": "^8.12.0"
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"pg": "^8.12.0",
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"ws": "^8.17.0"
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}
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}
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174
src/index.js
174
src/index.js
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@ -5,9 +5,11 @@ const fs = require('fs');
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const bcrypt = require('bcrypt');
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const cors = require("cors");
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const cookieSession = require("cookie-session");
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const WebSocket = require('ws');
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const app = express();
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const PORT = 8080;
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const { Client } = pg;
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const client = new Client({
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user: "smk",
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@ -15,34 +17,84 @@ const client = new Client({
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host: "10.5.0.6", //defined in docker-compose.yml.
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port: 5432,
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database: "chat"
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});
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// /api/getChats
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// /api/getChat/?id
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// websocket
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const requireToBeLoggedIn = (req, res, next) => {
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if (sessions[req.session.token] == undefined) return res.redirect('/login');
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next();
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};
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const requireToBeNotLoggedIn = (req, res, next) => {
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if (req.session.token != undefined) return res.redirect('/');
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next();
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};
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const ws = new WebSocket.Server({
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port: PORT + 1
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})
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console.log("[LOG] Socket has been started");
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let clients = []
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ws.on('connection', (client) => {
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clients.push(client)
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client.on('message', async (msg) => {
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try {
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let jsonMsg = JSON.parse(msg)
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switch (jsonMsg.action) {
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case "sync": {
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break;
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let chats;
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let query_res = await client.query(`SELECT chats FROM Users WHERE `);
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}
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case "message":
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break;
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default:
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console.log(`Package cannot be understood: ${jsonMsg}`)
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}
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console.log(jsonMsg)
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client.send(JSON.stringify({
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"test": "a"
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}));
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} catch (e) {
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console.log(`[ERROR] in receiving message by websocket: ${e}`)
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}
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});
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client.on('close', () => {
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clients = clients.filter(c => c !== client)
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})
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})
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app.use(cors());
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app.use(express.json());
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app.use(express.urlencoded({ extended: false }));
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app.use(require('express-session')({
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name: 'smk_chat',
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secret: 'PLEASE!!GENERATE!!A!!STRONG!!ONE',
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secret: 'PLEASE!!GENERATE!!A!!STRONG!!ONE!!',
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resave: false,
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saveUninitialized: false
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}));
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app.use('/js', express.static(__dirname + "/js"));
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let sessions = {}
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let sessions = {};
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app.get('/', (req, res) => {
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if (sessions[req.session.token] == undefined) return res.redirect('/login');
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app.get('/', requireToBeLoggedIn, (req, res) => {
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res.sendFile('views/index.html', { root: __dirname });
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});
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app.get('/registration', (req, res) => {
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if (req.session.token != undefined) return res.redirect('/');
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app.get('/registration', requireToBeNotLoggedIn, (req, res) => {
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res.sendFile('views/registration.html', { root: __dirname });
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});
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app.get('/login', (req, res) => {
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if (sessions[req.session.token] != undefined) return res.redirect('/');
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app.get('/login', requireToBeNotLoggedIn, (req, res) => {
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res.sendFile('views/login.html', { root: __dirname });
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});
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@ -50,20 +102,89 @@ const generateRandomString = () => {
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return Math.floor(Math.random() * Date.now()).toString(36);
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};
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const getIdByCredentials = async (lastname, firstname, middlename) => {
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let query_res = await client.query("SELECT ID FROM Users WHERE lastname = $1::text AND firstname = $2::text AND middlename = $3::text;", [lastname, firstname, middlename]);
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if (query_res.rowCount == 0) return -1; // no such user
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if (query_res.rowCount == 1) return query_res.rows[0].id;
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}
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app.get('/api/logout', (req, res) => {
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if (req.session.token == undefined) return res.redirect('/login');
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sessions[req.session.token] = undefined;
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res.redirect('/login');
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})
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app.post('/api/register', async (req, res) => {
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//IN: lastname, firstname, middlename
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//OUT: UserID
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//Returns an ID of the user, whose lastname, firstname and middlename were passed.
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//Returns -1 if user does not exist.
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//Requires client to be logged in.
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app.get('/api/getIdByCredentials', requireToBeLoggedIn, async (req, res) => {
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const { lastname, firstname, middlename } = req.body;
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return res.send(await getIdByCredentials(lastname, firstname, middlename)).end();
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});
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//IN: UserID
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//OUT: Array of chat IDs
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//Returs ids of chats which user with passed ID is member in.
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//Return empty string if user has no membership in any chat.
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app.get('/api/getChats', requireToBeLoggedIn, async (req, res) => {
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const userId = sessions[req.session.token]
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console.log(`userId: ${userId}`);
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let chats = (await client.query("SELECT chats FROM Users WHERE ID = $1", [userId])).rows[0].chats
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return res.send(chats).status(200).end();
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});
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//IN: UserId, array of UserIDs that are to be invited.
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//OUT: "Ok" if succsessful, "User with id ${MEMBERID} does not exist."
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//Requires to be logged in
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app.post('/api/createChat', requireToBeLoggedIn, async (req, res) => {
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const userId = sessions[req.session.token]
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let { toInviteIds } = req.body;
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toInviteIds = toInviteIds.split(" ");
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toInviteIds.forEach(async (id, index, toInviteIds) => {
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if ((await client.query("SELECT ID FROM Users WHERE ID = $1", [id])).rowCount == 0) {
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return res.send(`User with id ${id} does not exist.`)
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}
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});
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let chatName
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if (toInviteIds.length == 1) {
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let invitedFullname = (await client.query("SELECT lastname, firstname, middlename FROM Users WHERE ID = $1;", [toInviteIds[0]])).rows[0]
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let invitorFullname = (await client.query("SELECT lastname, firstname, middlename FROM Users WHERE ID = $1;", [userId])).rows[0]
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chatName = invitedFullname.lastname + " " + invitedFullname.firstname + " " + invitedFullname.middlename + " и " + invitorFullname.lastname + " " + invitorFullname.firstname + " " + invitorFullname.middlename
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console.log(`Chatname: ${chatName}`)
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} else {
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chatName = "Новая группа"
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}
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let chatId = (await client.query("INSERT INTO Chats (name) VALUES ($1) RETURNING ID;", [chatName])).rows[0].id
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await client.query("UPDATE Chats SET admins = ARRAY_APPEND(admins, $1) WHERE ID = $2", [userId, chatId]);
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toInviteIds.forEach(async (id, index, toInviteIds) => {
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await client.query("UPDATE Users SET chats = ARRAY_APPEND(chats, $1) WHERE ID = $2;", [chatId, id]);
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});
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return res.send("Ok")
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});
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//IN: none.
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//OUT: redirect to /login.
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//Removes client's session, thus unlogging a user.
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//Requires to be logged in.
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app.get('/api/logout', requireToBeLoggedIn, (req, res) => {
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sessions[req.session.token] = undefined;
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req.session.token = undefined;
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res.redirect('/login');
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});
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//IN: lastname, firstname, middlename, password.
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//OUT: redirect to /.
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//Checks if user exist. If so, returns 400 with response "Such user exists.".
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//Otherwise, registers a user with given data.
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//Requires to be not logged in.
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app.post('/api/register', requireToBeNotLoggedIn, async (req, res) => {
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try {
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const { lastname, firstname, middlename, password } = req.body;
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@ -82,12 +203,17 @@ app.post('/api/register', async (req, res) => {
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sessions[req.session.token] = id;
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res.redirect('/');
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} catch (err) {
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console.log("[ERROR] in /api/register: " + err)
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console.log(`[ERROR] in /api/register: ${err}`)
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res.status(500).send();
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}
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});
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app.post('/api/login', async (req, res) => {
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//IN: lastname, firstname, middlename, password.
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//OUT: redirect to /.
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//Checks if user exists. If not, returns 400 with response "No such user.".
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//Otherwise, compares passwords using bcrypt
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//If passwords match, creating session and redirects to /
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app.post('/api/login', requireToBeNotLoggedIn, async (req, res) => {
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try {
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const { lastname, firstname, middlename, password } = req.body;
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@ -106,7 +232,7 @@ app.post('/api/login', async (req, res) => {
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return res.status(400).send("Wrong password").end();
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}
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} catch (err) {
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console.log("[ERROR] in /api/login: " + err)
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console.log(`[ERROR] in /api/login: ${err}`)
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res.status(500).send();
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}
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@ -118,14 +244,14 @@ const initDb = async () => {
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let db_schema = fs.readFileSync('./db.psql').toString();
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try {
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const res = await client.query(db_schema);
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console.log("Database initialized.")
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console.log("[LOG] Database initialized.")
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} catch (err) {
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console.log("Cannot initialize database. Error: " + err);
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console.log(`[ERROR] Cannot initialize database: ${err}`);
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}
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}
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initDb().then(() => {
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app.listen(8080, "0.0.0.0", () => {
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console.log("Ready to use.");
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app.listen(PORT, "0.0.0.0", () => {
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console.log("[LOG] Ready to use.");
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});
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});
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@ -0,0 +1,23 @@
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let socket
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const pingServer = (socket) => {
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socket.send("")
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}
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window.addEventListener('load', function () {
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let connectionString = location.protocol == "https:" ? `wss://${window.location.hostname}:${Number(window.location.port) + 1}` : `ws://${window.location.hostname}:${Number(window.location.port) + 1}`
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socket = new WebSocket(connectionString)
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socket.addEventListener('open', (e) => {
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socket.send(JSON.stringify(
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{
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"action": "sync"
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}
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));
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})
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fetch("/api/getChats", {
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method: "GET"
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}).then(response => response.text())
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.then((response => console.log(response)))
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})
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@ -5,6 +5,13 @@
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<title>index</title>
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</head>
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<body>
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<form action="/api/createChat" method="POST">
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<label for="toInviteIds">ID пользователей для приглашения через пробел</label><br/>
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<input type="text" id="toInviteIds" name="toInviteIds"><br/>
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<input type="submit" value="Создать чат">
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||||
</form>
|
||||
<a href="/api/logout">Выйти</a>
|
||||
</body>
|
||||
<script src="/js/frontend.js"></script>
|
||||
</html>
|
||||
|
|
@ -17,7 +17,7 @@
|
|||
<input type="text" id="password" name="password"><br/>
|
||||
<input type="submit" value="Войти">
|
||||
</form>
|
||||
Нет аккаунта? <a href="/register">Зарегистрируйте.</a>
|
||||
Нет аккаунта? <a href="/registration">Зарегистрируйте.</a>
|
||||
</body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -8,14 +8,19 @@
|
|||
<form onSubmit="return checkPassword(this)" method="post" action="/api/register">
|
||||
<label for="lastname">Фамилия:</label><br/>
|
||||
<input type="text" id="lastname" name="lastname"><br/>
|
||||
|
||||
<label for="firstname">Имя:</label><br/>
|
||||
<input type="text" id="firstname" name="firstname"><br/>
|
||||
|
||||
<label for="middlename">Отчество:</label><br/>
|
||||
<input type="text" id="middlename" name="middlename"><br/>
|
||||
|
||||
<label for="password">Пароль:</label><br/>
|
||||
<input type="text" id="password" name="password"><br/>
|
||||
|
||||
<label for="confirmPassword">Повтор пароля:</label><br/>
|
||||
<input type="text" id="confirmPassword" name="confirmPassword"><br/>
|
||||
|
||||
<input type="submit" value="Зарегистрироваться">
|
||||
</form>
|
||||
Уже есть аккаунт? <a href="/login">Войдите.</a>
|
||||
|
|
|
|||
Loading…
Reference in New Issue