Node.js fetch module: proxy configuration example

Hands-on with Node.js Request Vesting

Engaged in data capture of the old iron understand, direct bare hair request minutes by the target site to pull the black. This time you need a proxy IP as a "stand-in actor", today we take Node.js fetch module to open the knife, teach you how to give the network request a layer of protective shell.

Why are we looking for a replacement for the request?

For example, like going to the supermarket to try to eat, if you catch the same counter to eat more than a dozen times, the security guards will certainly come to drive people. The web server is the security guard, the proxy IP is to help you change different clothes to try to eat teammates. UseipipgoThe pool of agents is the equivalent of thousands of "tasting vests" that can be changed at will.

Four Steps to Real-World Configuration

const fetch = (... .args) =>
    import('node-fetch').then(({default: fetch}) => fetch(... .args));

// The first step is to choose a proxy type
const proxyUrl = 'http://user:pass@gateway.ipipgo.com:8080';

// Step 2: Configure the proxy
const controller = new AbortController(); setTimeout((() => controller.abort(), 5000); // Step 2 Abort configuration
setTimeout(() => controller.abort(), 5000);

// Step 3 Send a shelled request
const response = await fetch('https://target-site.com', {
    agent: new (require('http-proxy-agent'))(proxyUrl), {
    signal: controller.signal
}).

// Step 4 Process the response
console.log(await response.text()); // Step 4 Process the response.

Focused Parameter Highlighting

Get the agency agreement right.It's like sending a courier to the right courier company. http/https/socks5 don't get confused. ipipgo supports all protocols and suggests using socks5 to be more stealthy.

Timeout settings can't be beat: It's like waiting more than 30 minutes for a takeout to be reminiscent of an order, and a network request that takes more than 5 seconds should be abandoned. Using AbortController for timeout control is the most reliable.

Common Rollover Scene QA

Q: What should I do if I can't connect to the agent all the time?
A: First check if the account password format is correct, if it isipipgoUsers should remember to use the format of "username:password@gateway address". If that doesn't work, try another exit IP.

Q: What about a snail's pace?
A: Choose the server room node close to the target server, such as catching the U.S. website with theipipgoof the North American line. Also remember to turn off useless request headers to lighten the load.

How do I choose a proxy service?

Agents on the market are a mixed bag of recommendationsipipgoThe triple axe:

• Exclusive IP pools: sharing IPs with others will sooner or later lead to a crash
• Automatic authentication: no need to manually enter the account password each time
• Traffic monitoring: check the usage at any time without spending money in vain

Lastly, I'd like to say that you should practice with a short-lived proxy during the testing phase, and then go back to the script when it's stable.ipipgoThe long-lasting package, which saves both money and worry. If you don't understand anything, you can just knock on their customer service and reply faster than a delivery boy.