const { chromium } = require('playwright');
async function extractSubstackCookie() {
console.log('🚀 Starting Substack cookie extraction...\n');
const browser = await chromium.launch({
headless: false,
slowMo: 100
});
const context = await browser.newContext();
const page = await context.newPage();
console.log('📖 Opening Substack login page...');
await page.goto('https://substack.com/sign-in');
console.log('\n⏳ Waiting for you to login...');
console.log(' (Automatically detecting when you are logged in)\n');
// Wait for either:
// 1. URL to change from sign-in page (indicating login success)
// 2. The presence of connect.sid cookie
// 3. Maximum 5 minutes timeout
const timeout = 300000; // 5 minutes
const startTime = Date.now();
while (Date.now() - startTime < timeout) {
// Check if we have the cookie
const cookies = await context.cookies();
const connectSidCookie = cookies.find(cookie => cookie.name === 'connect.sid');
// Check if URL changed from sign-in
const currentUrl = page.url();
const isLoggedIn = !currentUrl.includes('sign-in') || connectSidCookie;
if (isLoggedIn && connectSidCookie) {
console.log('✅ Login detected! Extracting cookie...\n');
console.log('━'.repeat(80));
console.log('Cookie Value:');
console.log(connectSidCookie.value);
console.log('━'.repeat(80));
console.log('\n📋 Cookie will be automatically configured...\n');
// Save to file
const fs = require('fs');
fs.writeFileSync(
'C:/mcp-servers/substack-mcp/tools/cookie.txt',
connectSidCookie.value
);
console.log('💾 Cookie saved to: C:\mcp-servers\substack-mcp\tools\cookie.txt\n');
await browser.close();
console.log('👋 Browser closed. Done!');
return connectSidCookie.value;
}
// Wait a bit before checking again
await new Promise(resolve => setTimeout(resolve, 1000));
}
console.log('❌ Timeout: Could not detect login after 5 minutes.');
await browser.close();
return null;
}
extractSubstackCookie().then(cookie => {
if (cookie) {
process.exit(0);
} else {
process.exit(1);
}
}).catch(error => {
console.error('Error:', error);
process.exit(1);
});
