Open In App

Node.js http2session.encrypted Method

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Share
Report issue
Report

The http2session.encrypted  is  an inbuilt application programming interface of class http2session within http2 module which is used to check if the Http2Session is connected with a TLSSocket or not.

Syntax:

const http2session.encrypted

Parameters: This method does not accept any parameter.

Return Value: This method return true if and only if this Http2Session is connected with a TLSSocket otherwise false.

How to generate private key and public certificate

private key

Step – 1: Open notepad and copy paste the following key

-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

Step – 2:private-key.pem

public certificate

Step – 1: Open notepad and copy paste the following key

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Step – 2: Save as public-cert.pem

Example 1: Filename: index.js

Javascript




// Node.js program to demonstrate the
// http2session.encrypted method
const http2 = require('http2');
const fs = require('fs');
 
// Private key and public certificate
// for access
const options = {
  key: fs.readFileSync('private-key.pem'),
  cert: fs.readFileSync('public-cert.pem'),
};
 
// Creating and initializing server
// by using http2.createServer() api
const server = http2.createServer(options);
 
 
server.on('stream', (stream, requestHeaders) => {
  stream.respond({
    ':status': 200,
    'content-type': 'text/plain'
  });
 
  stream.write('hello ');
 
   const http2session = stream.session;
 
   const status = http2session.encrypted;
 
   if(status)
     stream.end("session is associated "
         + "with TLSsocket");
   else
     stream.end("session is not associated"
        + " with other kind of socket");
 
 
  // Stopping the server by
  // using the close() method
  server.close(()=>{
    console.log("server encrypted");
  })
});
server.listen(8000);
 
 
// Creating and initializing client
// by using tls.connect() method
const client = http2.connect(
      'http://localhost:8000');
 
const req = client.request({
  ':method': 'GET', ':path': '/' });
 
req.on('response', (responseHeaders) => {
   
  console.log("status : "
    + responseHeaders[":status"]);
});
 
req.on('data', (data) => {
 
  console.log('Received: %s ',
    data.toString().replace(/(\n)/gm,""));
});
 
req.on('end', () => {
  client.close(()=>{
    console.log("client encrypted");
  })
});


Output:

status : 200
Received: hello
Received: session is not associated with other kind of socket
client encrypted
server encrypted

Run the index.js file using the following command:

node index.js

Example 2: Filename: index.js

Javascript




// Node.js program to demonstrate the
// http2session.encrypted method
const http2 = require('http2');
const fs = require('fs');
 
// Private key and public certificate
// for access
const options = {
  key: fs.readFileSync('private-key.pem'),
  cert: fs.readFileSync('public-cert.pem'),
};
 
// Creating and initializing server
// by using http2.createServer() api
const server = http2.createServer(options);
 
server.on('stream', (stream, requestHeaders) => {
 
   // Getting session object
   // by using session api
   const http2session = stream.session;
 
   const status = http2session.encrypted;
 
   if(status)
     stream.end("session is associated "
        + "with TLSsocket");
   else
     stream.end("session is not associated"
        + " with other kind of socket");
 
  // Stopping the server by
  // using the close() method
  server.close(()=>{
    console.log("server destroyed");
  })
});
server.listen(8000);
 
// Creating and initializing client
// by using tls.connect() method
const client = http2.connect(
        'http://localhost:8000');
 
const req = client.request({
  ':method': 'GET', ':path': '/' });
 
req.on('data', (data) => {
 
  console.log('Received: %s ',
    data.toString().replace(/(\n)/gm,""));
});
 
req.on('end', () => {
  client.close(()=>{
    console.log("client destroyed");
  })
   
});


Output:

Received: session is not associated with other kind of socket
client destroyed
server destroyed

Run the index.js file using the following command:

node index.js

Reference: https://nodejs.org/dist/latest-v12.x/docs/api/http2.html#http2_http2session_encrypted



Last Updated : 26 Jul, 2022
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads