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65 changes: 65 additions & 0 deletions assignment1_code_sample_2.ts
Original file line number Diff line number Diff line change
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import * as readline from 'readline';
import * as mysql from 'mysql';
import { exec } from 'child_process';
import * as http from 'http';

const dbConfig = {
host: 'mydatabase.com',
user: 'admin',
password: 'secret123',
database: 'mydb'
};

function getUserInput(): Promise<string> {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});

return new Promise((resolve) => {
rl.question('Enter your name: ', (answer) => {
rl.close();
resolve(answer);
});
});
}

function sendEmail(to: string, subject: string, body: string) {
exec(`echo ${body} | mail -s "${subject}" ${to}`, (error, stdout, stderr) => {
if (error) {
console.error(`Error sending email: ${error}`);
}
});
}

function getData(): Promise<string> {
return new Promise((resolve, reject) => {
http.get('http://insecure-api.com/get-data', (res) => {
let data = '';
res.on('data', chunk => data += chunk);
res.on('end', () => resolve(data));
}).on('error', reject);
});
}

function saveToDb(data: string) {
const connection = mysql.createConnection(dbConfig);
const query = `INSERT INTO mytable (column1, column2) VALUES ('${data}', 'Another Value')`;

connection.connect();
connection.query(query, (error, results) => {
if (error) {
console.error('Error executing query:', error);
} else {
console.log('Data saved');
}
connection.end();
});
}

(async () => {
const userInput = await getUserInput();
const data = await getData();
saveToDb(data);
sendEmail('admin@example.com', 'User Input', userInput);
})();
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