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(Node.js) SSL Server ExampleDemonstrates how to create an SSL socket for accepting connections. This example is *very* simple in that it will create an SSL socket for accepting a single connection. It will read a message from the client, send a reply, and exit.
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node11-win-ia32'); } else { var chilkat = require('@chilkat/ck-node11-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node11-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node11-linux32'); } else { var chilkat = require('@chilkat/ck-node11-linux64'); } } else if (os.platform() == 'darwin') { var chilkat = require('@chilkat/ck-node11-macosx'); } function chilkatExample() { var listenSslSocket = new chilkat.Socket(); // Any string automatically begins a fully-functional 30-day trial. var success; success = listenSslSocket.UnlockComponent("Anything for 30-day trial"); if (success !== true) { console.log(listenSslSocket.LastErrorText); return; } // An SSL server needs a digital certificate. This example loads it from a PFX file. // Create an instance of a certificate store object, load a PFX file, // locate the certificate we need, and use it. // (a PFX file may contain more than one certificate.) var certStore = new chilkat.CertStore(); // The 1st argument is the filename, the 2nd arg is the // PFX file's password: success = certStore.LoadPfxFile("chilkat.pfx","test"); if (success !== true) { console.log(certStore.LastErrorText); return; } // Find the certificate to be used for SSL: // cert: Cert var cert; cert = certStore.FindCertBySubject("Chilkat Software, Inc."); if (cert == null ) { console.log(certStore.LastErrorText); return; } // Use the certificate: success = listenSslSocket.InitSslServer(cert); if (success !== true) { console.log(listenSslSocket.LastErrorText); return; } // Bind and listen on a port: var myPort = 8123; // Allow for a max of 5 queued connect requests. var backLog = 5; success = listenSslSocket.BindAndListen(myPort,backLog); if (success !== true) { console.log(listenSslSocket.LastErrorText); return; } // If accepting an SSL/TLS connection, the SSL handshake is part of the connection // establishment process. This involves a few back-and-forth messages between the // client and server to establish algorithms and a shared key to create the secure // channel. The sending and receiving of these messages are governed by the // MaxReadIdleMs and MaxSendIdleMs properties. If these properties are set to 0 // (and this is the default unless changed by your application), then the // AcceptNextConnection can hang indefinitely during the SSL handshake process. // Make sure these properties are set to appropriate values before calling AcceptNextConnection. // Set a 10 second max for waiting to read/write. This is for the SSL/TLS handshake establishment. listenSslSocket.MaxReadIdleMs = 10000; listenSslSocket.MaxSendIdleMs = 10000; // Accept a single client connection and establish the secure SSL/TLS channel: // clientSock: Socket var clientSock; var maxWaitMillisec = 20000; clientSock = listenSslSocket.AcceptNextConnection(maxWaitMillisec); if (clientSock == null ) { console.log(listenSslSocket.LastErrorText); return; } // The client (in this example) is going to send a "Hello Server! -EOM-" // message. Read it: var receivedMsg = clientSock.ReceiveUntilMatch("-EOM-"); if (clientSock.LastMethodSuccess !== true) { console.log(clientSock.LastErrorText); return; } console.log(receivedMsg); // Send a "Hello Client! -EOM-" message: success = clientSock.SendString("Hello Client! -EOM-"); if (success !== true) { console.log(clientSock.LastErrorText); return; } // Close the connection with the client // Wait a max of 20 seconds (20000 millsec) success = clientSock.Close(20000); } chilkatExample(); |
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