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/*
* This is a NodeJS script that crudely simulates a captive portal. It is
* intended for use by QA and engineering while working on the captive portal
* feature in Firefox.
*
* It maintains the authentication state (logged in or logged out). The root
* URL ("/") displays either a link to log out (if the state is logged in) or
* to log in (if the state is logged out). A canonical URL ("/test") is
* provided: when this URL is requested, if the state is logged in, a "success"
* response is sent. If the state is logged out, a redirect is sent (back to
* "/"). This script can be used to test Firefox's captive portal detection
* features by setting the captivedetect.canonicalURL pref in about:config to
* http://localhost:8080/test.
*
* Originally written by Nihanth.
*
* Run it like this:
*
* mach node toolkit/components/captivedetect/test/captive-portal-simulator.js
*/
// eslint-disable-next-line no-undef
var http = require("http");
const PORT = 8080;
// Crude HTML for login and logout links
// loggedOutLink is displayed when the state is logged out, and shows a link
// that sets the state to logged in.
const loggedOutLink = "<html><body><a href='/set'>login</a></body></html>";
// loggedInLink is displayed when the state is logged in, and shows a link
// that resets the state to logged out.
const loggedInLink = "<html><body><a href='/reset'>logout</a></body></html>";
// Our state constants
const OUT = 0;
const IN = 1;
// State variable
var state = OUT;
function handleRequest(request, response) {
if (request.url == "/reset") {
// Set state to logged out and redirect to "/"
state = OUT;
response.writeHead(302, { location: "/" });
response.end();
} else if (request.url == "/set") {
// Set state to logged in and redirect to canonical URL
state = IN;
response.writeHead(302, { location: "/test" });
response.end();
} else if (request.url == "/test") {
// Canonical URL. Send canonical response if logged in, else
// redirect to index.
if (state == IN) {
response.setHeader("Content-Type", "text/html");
response.end(
`<meta http-equiv="refresh" content="0;url=https://support.mozilla.org/kb/captive-portal"/>`
);
return;
}
response.writeHead(302, { location: "/" });
response.end();
} else {
// Index: send a login or logout link based on state.
response.setHeader("Content-Type", "text/html");
response.end(state == IN ? loggedInLink : loggedOutLink);
}
}
// Start the server.
var server = http.createServer(handleRequest);
server.listen(PORT, function () {
console.log("Server listening on: http://localhost:%s", PORT);
});
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