Is there an alternative method to embed Instagram using iframe without the need for an API?
Is there an alternative method to embed Instagram using iframe without the need for an API?
To determine if a specific URL (example.com) is permitted within an iframe for a particular Origin, you can use the following method:
function checkIFramePermission({ header, origin }) {
if (header["X-Frame-Options".toLowerCase()]) {
let options = header["X-Frame-Options".toLowerCase()].toLowerCase();
if (options === "SAMEORIGIN".toLowerCase() || options === "DENY".toLowerCase()) {
return false;
} else if (~options.indexOf("ALLOW-FROM".toLowerCase())) {
let allowedOrigins = options.split(" ").slice(1);
return allowedOrigins.find(
_o => url.parse(_o).host === url.parse(origin).host
);
}
}
if (header["Content-Security-Policy".toLowerCase()]) {
let _options = header["Content-Security-Policy".toLowerCase()];
let findOriginInSource = source_name => {
_options = _options.split(";");
_options = _options.find(_o => _o.indexOf(source_name) > -1);
_options = _options.split(" ").slice(1);
return _options.find(_o => url.parse(_o).host === url.parse(origin).host);
};
if (_options.indexOf("frame-src") > -1) {
return findOriginInSource("frame-src");
} else if (_options.indexOf("child-src")) {
return findOriginInSource("child-src");
} else if (_options.indexOf("default-src")) {
return findOriginInSource("default-src");
} else {
return true;
}
} else {
return true;
}
}
const got = require("got");
const metascraper = require("metascraper")([
require("metascraper-author")(),
require("metascraper-date")(),
require("metascraper-description")(),
require("metascraper-image")(),
require("metascraper-logo")(),
require("metascraper-clearbit-logo")(),
require("metascraper-publisher")(),
require("metascraper-title")(),
require("metascraper-url")()
]);
const Domain = "example.com";
(async () => {
const { body: html, url, headers } = await got(Domain);
const metadata = await metascraper({ html, url });
const isAllowed = checkIFramePermission({
header: headers,
origin: "www.app4pc.com"
})
})();
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