Node.js server.address()方法
原文:https://www . geesforgeks . org/node-js-server-address-method/
server.address() 是 tls 模块内类 Socket 的内置应用编程接口，用于获取服务器的绑定地址。
语法:
const server.address()
参数:此方法不接受任何参数。
返回值:这个方法返回包含服务器的家族名和端口的绑定地址。
如何生成私钥和公钥证书？
-
Private key: Open notepad and copy paste the following key:
js -----BEGIN RSA PRIVATE KEY----- MIICXQIBAAKBgQC38R9wXcUbhOd44FavgmE5R3K4JeYOHLnI7dUq1B8/Gv7l3SOg JKef/m9gM1KvUx951mapXGtcWgwB08J3vUE2YOZ4tWJArrVZES0BI/RmFAyhQFP5 HcWl3LSM9LRihP98F33oIkKaCxA5LxOrkgpV4HrUzIKTABDYah7RPex1WQIDAQAB AoGBAIXR71xxa9gUfc5L7+TqBs+EMmrUb6Vusp8CoGXzQvRHMJCMrMFySV0131Nu o0YYRDsAh1nJefYLMNcXd1BjqI+qY8IeRsxaY+9CB2KKGVVDO2uLdurdC2ZdlWXT Vwr3dDoyR0trnXJMmH2ijTeO6bush8HuXxvxJBjvEllM5QYxAkEA3jwny9JP+RFu 0rkqPBe/wi5pXpPl7PUtdNAGrh6S5958wUoR4f9bvwmTBv1nQzExKWu4EIp+7vjJ fBeRZhnBvQJBANPjjge8418PS9zAFyKlITq6cxmM4gOWeveQZwXVNvav0NH+OKdQ sZnnDiG26JWmnD/B8Audu97LcxjxcWI8Jc0CQEYA5PhLU229lA9EzI0JXhoozIBC TlcKFDuLm88VSmlHqDyqvF9YNOpEdc/p2rFLuZS2ndB4D+vu6mjwc5iZ3HECQCxy GBHRclQ3Ti9w76lpv+2kvI4IekRMZWDWnnWfwta+DGxwCgw2pfpleBZkWqdBepb5 JFQbcxQJ0wvRYXo8qaUCQQCgTvWswBj6OTP7LTvBlU1teAN2Lnrk/N5AYHZIXW6m nUG9lYvH7DztWDTioXMrruPF7bdXfZOVJD8t0I4OUzvC -----END RSA PRIVATE KEY-----将文件另存为私钥. pem
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公钥证书:打开记事本复制粘贴如下密钥:
js -----BEGIN CERTIFICATE----- MIICfzCCAegCCQDxxeXw914Y2DANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMC SU4xEzARBgNVBAgMCldlc3RiZW5nYWwxEDAOBgNVBAcMB0tvbGthdGExFDASBgNV BAoMC1BhbmNvLCBJbmMuMRUwEwYDVQQDDAxSb2hpdCBQcmFzYWQxIDAeBgkqhkiG 9w0BCQEWEXJvZm9mb2ZAZ21haWwuY29tMB4XDTIwMDkwOTA1NTExN1oXDTIwMTAw OTA1NTExN1owgYMxCzAJBgNVBAYTAklOMRMwEQYDVQQIDApXZXN0YmVuZ2FsMRAw DgYDVQQHDAdLb2xrYXRhMRQwEgYDVQQKDAtQYW5jbywgSW5jLjEVMBMGA1UEAwwM Um9oaXQgUHJhc2FkMSAwHgYJKoZIhvcNAQkBFhFyb2ZvZm9mQGdtYWlsLmNvbTCB nzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAt/EfcF3FG4TneOBWr4JhOUdyuCXm Dhy5yO3VKtQfPxr+5d0joCSnn/5vYDNSr1MfedZmqVxrXFoMAdPCd71BNmDmeLVi QK61WREtASP0ZhQMoUBT+R3Fpdy0jPS0YoT/fBd96CJCmgsQOS8Tq5IKVeB61MyC kwAQ2Goe0T3sdVkCAwEAATANBgkqhkiG9w0BAQsFAAOBgQATe6ixdAjoV7BSHgRX bXM2+IZLq8kq3s7ck0EZrRVhsivutcaZwDXRCCinB+OlPedbzXwNZGvVX0nwPYHG BfiXwdiuZeVJ88ni6Fm6RhoPtu2QF1UExfBvSXuMBgR+evp+e3QadNpGx6Ppl1aC hWF6W2H9+MAlU7yvtmCQQuZmfQ== -----END CERTIFICATE-----将文件另存为公钥证书. pem
示例 1: 文件名:index . js
Javascript
// Node.js program to demonstrate the
// server.address() method
var tls = require('tls'),
fs = require('fs'),
// Port and host address for server
PORT = 1337,
HOST = '127.0.0.1',
value = "";
// Private key and public certificate for access
var options = {
key: fs.readFileSync('private-key.pem'),
cert: fs.readFileSync('public-cert.pem'),
rejectUnauthorized: false
};
// Creating and initializing server
var server = tls.createServer(options, function(socket) {
// Print the data that we received
socket.on("data", function(data) {
console.log('\nReceived: %s ',
data.toString().replace(/(\n)/gm, ""));
});
});
// Start listening on a specific port and address
server.listen(PORT, HOST, function() {
console.log("I'm listening at %s, on port %s", HOST, PORT);
});
// When an error occurs, show it.
server.on("error", function(error) {
console.error(error);
// Close the connection after the error occurred.
// server.destroy();
});
server.on("end", ()=>{
server.end();
// server.destroy();
})
// Creating and initializing client
var client = tls.connect(PORT,
HOST, options, function() {
// Check if the authorization worked
if (client.authorized) {
console.log("Connection authorized by"
+ " a Certificate Authority.");
} else {
console.log("Connection not authorized: "
+ client.authorizationError)
}
// Send a friendly message
client.write("Bound address : " + value);
client.end();
});
// Getting the bound address
// by using address method
value = client.address();
// console.log("Bound address : " + value)
client.on("close", function() {
console.log("Connection closed");
});
// When an error occurs, show it.
client.on("error", function(error) {
console.error(error);
// Close the connection after the error occurred.
client.destroy();
});
输出:
I'm listening at 127.0.0.1, on port 1337
Connection not authorized: DEPTH_ZERO_SELF_SIGNED_CERT
Received: Bound address : [object Object]
Connection closed
示例 2: 文件名:index . js
Javascript
// Node.js program to demonstrate the
// server.address() method
var tls = require('tls'),
fs = require('fs'),
// Port and host address for server
PORT = 1337,
HOST = '127.0.0.1';
// Private key and public certificate for access
var options = {
key: fs.readFileSync('private-key.pem'),
cert: fs.readFileSync('public-cert.pem'),
rejectUnauthorized: false
};
// Creating and initializing server
var server = tls.createServer(options, function(socket) {
// Print the data that we received
socket.on('data', function(data) {
console.log('\nReceived: %s ',
data.toString().replace(/(\n)/gm, ""));
});
});
// Start listening on a specific port and address
server.listen(PORT, HOST, function() {
console.log("I'm listening at %s, "
+ "on port %s", HOST, PORT);
});
// Creating and initializing client
var client = tls.connect(PORT,
HOST, options, function() {
// Getting the bound address
// by using address method
const value = client.address();
client.write("Bound address : " + value)
client.end();
});
使用以下命令运行 index.js 文件:
node index.js
输出:
I'm listening at 127.0.0.1, on port 1337
Received: Bound address : [object Object]
参考:https://nodejs . org/dist/latest-v 12 . x/docs/API/TLS . html # TLS _ server _ address
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