STRLCPY/100-redteam-projects

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Projects/0_JS_TCP_server/README.md

1	+	# TCP server and client CLI to send and receive messages made in NodeJS.
2	+
3	+	### Used Dependencies:
4	+
5	+	[colors](https://www.npmjs.com/package/colors)
6	+
7	+	[prompt-synch](https://www.npmjs.com/package/prompt-sync)
8	+
9	+	![cli image](https://i.imgur.com/xCmZrAe.png)
10	+
11	+
12	+	### How to use:
13	+	```
14	+	# Clone repository:
15	+	$ git clone https://github.com/kurogai/100-redteam-projects
16	+	# Enter the repository:
17	+	$ cd 100-redteam-projects\Projects\0_JS_TCP_server
18	+	# Install dependencies:
19	+	$ npm install
20	+	# Run server:
21	+	$ node ./server.js
22	+	# Run client CLI:
23	+	$ node ./client.js
24	+	```
25	+
26	+	Made by: [BurmeseCat](https://github.com/BurmeseCat)

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Projects/0_JS_TCP_server/client.js

1	+	const colors = require('colors');
2	+	const net = require('net');
3	+	const prompt = require('prompt-sync')();
4	+
5	+	let client = null;
6	+
7	+	const menuReturn = () => {
8	+	return setTimeout(() => menu(), 1500);
9	+	};
10	+
11	+	const createConnection = () => {
12	+	if (!client) {
13	+	const ADRESS = prompt('Type server adress: ') \|\| '127.0.0.1'
14	+	const PORT = prompt('Type server port: ') \|\| 8000;
15	+
16	+	client = new net.Socket();
17	+
18	+	client.connect(PORT, ADRESS, () => {
19	+	console.log(`Connected to ${ADRESS}:${PORT}`.bold.green);
20	+	});
21	+
22	+	client.on('error', (err) => {
23	+	console.log(`${err}`.bold.red);
24	+	client = null;
25	+	menuReturn();
26	+	})
27	+
28	+	} else console.log('You are alredy connected! End connection before new one!'.bold.red);
29	+
30	+	};
31	+
32	+	const destroyConnection = () => {
33	+	if (client) {
34	+	client.destroy();
35	+	client = null;
36	+	} else return;
37	+	};
38	+
39	+	const quitProgr = () => {
40	+	if (client) {
41	+	destroyConnection()
42	+	}
43	+	console.log('See you soon!'.rainbow);
44	+	};
45	+
46	+	const sendMessage = () => {
47	+	if (client) {
48	+	const message = prompt('Message to send: ');
49	+	client.write(message);
50	+	client.on('data', (data) => {
51	+	console.log(`Message from server: ${data.toString()}`);
52	+	})
53	+	menuReturn();
54	+	}
55	+	else {
56	+	console.log('First connect to server!'.bold.red);
57	+	menuReturn();
58	+	}
59	+	}
60	+
61	+	const menu = () => {
62	+	console.log(`${client ? 'CONNECTED'.bold.green : 'NOT CONNECTED'.bold.red}`);
63	+	console.log('(c)onnect, (s)end message, (d)isconnect, (q)uit'.bold.white)
64	+	const choose = prompt('Type option: '.bold.white);
65	+
66	+	switch (choose) {
67	+	case 'c':
68	+	createConnection();
69	+	menuReturn();
70	+	break;
71	+	case 's':
72	+	sendMessage();
73	+	break;
74	+	case 'd':
75	+	destroyConnection();
76	+	menuReturn();
77	+	break;
78	+	case 'q':
79	+	quitProgr();
80	+	return;
81	+	default:
82	+	menuReturn();
83	+	break;
84	+	}
85	+	};
86	+
87	+	menu();

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Projects/0_JS_TCP_server/package-lock.json

1	+	{
2	+	"name": "0_js_tcp_server",
3	+	"version": "1.0.0",
4	+	"lockfileVersion": 2,
5	+	"requires": true,
6	+	"packages": {
7	+	"": {
8	+	"name": "0_js_tcp_server",
9	+	"version": "1.0.0",
10	+	"license": "ISC",
11	+	"dependencies": {
12	+	"colors": "^1.4.0",
13	+	"prompt-sync": "^4.2.0"
14	+	}
15	+	},
16	+	"node_modules/ansi-regex": {
17	+	"version": "4.1.1",
18	+	"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.1.tgz",
19	+	"integrity": "sha512-ILlv4k/3f6vfQ4OoP2AGvirOktlQ98ZEL1k9FaQjxa3L1abBgbuTDAdPOpvbGncC0BTVQrl+OM8xZGK6tWXt7g==",
20	+	"engines": {
21	+	"node": ">=6"
22	+	}
23	+	},
24	+	"node_modules/colors": {
25	+	"version": "1.4.0",
26	+	"resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
27	+	"integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
28	+	"engines": {
29	+	"node": ">=0.1.90"
30	+	}
31	+	},
32	+	"node_modules/prompt-sync": {
33	+	"version": "4.2.0",
34	+	"resolved": "https://registry.npmjs.org/prompt-sync/-/prompt-sync-4.2.0.tgz",
35	+	"integrity": "sha512-BuEzzc5zptP5LsgV5MZETjDaKSWfchl5U9Luiu8SKp7iZWD5tZalOxvNcZRwv+d2phNFr8xlbxmFNcRKfJOzJw==",
36	+	"dependencies": {
37	+	"strip-ansi": "^5.0.0"
38	+	}
39	+	},
40	+	"node_modules/strip-ansi": {
41	+	"version": "5.2.0",
42	+	"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
43	+	"integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
44	+	"dependencies": {
45	+	"ansi-regex": "^4.1.0"
46	+	},
47	+	"engines": {
48	+	"node": ">=6"
49	+	}
50	+	}
51	+	},
52	+	"dependencies": {
53	+	"ansi-regex": {
54	+	"version": "4.1.1",
55	+	"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.1.tgz",
56	+	"integrity": "sha512-ILlv4k/3f6vfQ4OoP2AGvirOktlQ98ZEL1k9FaQjxa3L1abBgbuTDAdPOpvbGncC0BTVQrl+OM8xZGK6tWXt7g=="
57	+	},
58	+	"colors": {
59	+	"version": "1.4.0",
60	+	"resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
61	+	"integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA=="
62	+	},
63	+	"prompt-sync": {
64	+	"version": "4.2.0",
65	+	"resolved": "https://registry.npmjs.org/prompt-sync/-/prompt-sync-4.2.0.tgz",
66	+	"integrity": "sha512-BuEzzc5zptP5LsgV5MZETjDaKSWfchl5U9Luiu8SKp7iZWD5tZalOxvNcZRwv+d2phNFr8xlbxmFNcRKfJOzJw==",
67	+	"requires": {
68	+	"strip-ansi": "^5.0.0"
69	+	}
70	+	},
71	+	"strip-ansi": {
72	+	"version": "5.2.0",
73	+	"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
74	+	"integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
75	+	"requires": {
76	+	"ansi-regex": "^4.1.0"
77	+	}
78	+	}
79	+	}
80	+	}
81	+

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Projects/0_JS_TCP_server/package.json

1	+	{
2	+	"name": "0_js_tcp_server",
3	+	"version": "1.0.0",
4	+	"description": "",
5	+	"main": "index.js",
6	+	"scripts": {
7	+	"test": "echo \"Error: no test specified\" && exit 1"
8	+	},
9	+	"keywords": [],
10	+	"author": "",
11	+	"license": "ISC",
12	+	"dependencies": {
13	+	"colors": "^1.4.0",
14	+	"prompt-sync": "^4.2.0"
15	+	}
16	+	}
17	+

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Projects/0_JS_TCP_server/server.js

1	+	const net = require('net');
2	+	const colors = require('colors');
3	+	server = net.createServer();
4	+
5	+	server.on('connection', (s) => {
6	+	const remoteAddress = s.remoteAddress + ':' + s.remotePort;
7	+	console.log(`client connected ${remoteAddress}`.green);
8	+
9	+	s.on('data', (data) => {
10	+	console.log(`From ${remoteAddress} - ${data}`.yellow)
11	+	s.write(`Message from server!`);
12	+	});
13	+
14	+	s.on('close', () => {
15	+	console.log(`Client ${remoteAddress} disconnected`.white);
16	+	})
17	+
18	+	s.on('error', (err) => {
19	+	console.log(`${remoteAddress} error: ${err.message}`.red);
20	+	})
21	+	});
22	+
23	+
24	+	server.listen(8000, () => {
25	+	console.log('Server on...')
26	+	});

Merge pull request #18 from BurmeseCat/JS-TCP-Server