Support for captive portals?

adityapchaudhari · May 15, 2024, 3:36pm

Hello,
This is my first time doing proper web development. I am trying to make a captive portal login using web3auth but captive portals have many limitations:

It should be noted when designing a custom splash page that for security reasons many client device CPD implementations:

Immediately close the browser when the client has authenticated.
Prohibit the use of href links.
Prohibit downloading of external files (including .css and .js, even if they are allowed in firewall settings).
Prohibit the execution of javascript.

Given these requirements would it even be possible to use web3auth? I looked into the documentation and examples but I couldn’t find any that remotely followed these rules. Am I missing something here? any specific example I should look at? Any help is appreciated!

TomTom · May 15, 2024, 3:47pm

Hi @adityapchaudhari,

I hope you are doing well. I’m not very familiar with Captive Portals, so let me check with our team and get back to you.

Are you calling an API to verify the user? Maybe in that process, you could add a Node.js example and associate the public address with the client.

github.com

Web3Auth/web3auth-core-kit-examples/blob/main/single-factor-auth-node/sfa-node-quick-start/index.js

// IMP START - Quick Start
const { Web3Auth } = require("@web3auth/node-sdk");
const { EthereumPrivateKeyProvider } = require("@web3auth/ethereum-provider");
// IMP END - Quick Start
const jwt = require('jsonwebtoken');
const fs = require('fs');

// IMP START - Dashboard Registration
const clientId = "BPi5PB_UiIZ-cPz1GtV5i1I2iOSOHuimiXBI0e-Oe_u6X3oVAbCiAZOTEBtTXw4tsluTITPqA8zMsfxIKMjiqNQ"; // Get your Client ID from Web3Auth Dashboard
// IMP END - Dashboard Registration

// IMP START - Verifier Creation
const verifier = "w3a-node-demo";
// IMP END - Verifier Creation

// IMP START - SDK Initialization
const web3auth = new Web3Auth({
  clientId,
  web3AuthNetwork: "sapphire_mainnet", // Get your Network ID from Web3Auth Dashboard
});

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adityapchaudhari · May 15, 2024, 4:04pm

Thanks for the quick reply. This might work but I was hoping to show the user the web3auth modal like in this example Integration Builder | Web3Auth. But I should be able to create a similar-looking UI that does API calls like this sfa node example?

system · May 29, 2024, 4:05pm

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