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clickjacket

v0.0.1

Published

A simple JavaScript library for click-jacking protection.

Downloads

20

Readme

ClickJacket

"Best-for-now" iframe protection to only allow iframes for any given protocols and/or domains. Replaces page html when viewed from an origin that is not allowed.

Config

allowedDomains

type: [String]

The domains to allow from an iframe. Allows all domains if not given.

allowedProtocols

type: [String]

The protocols to allow from an iframe. Allows all protocols if not given.

failureMessage

type: String

If an iframe fails to pass validation, this message replaces the page's html. Defaults to '';

Usage

<!-- Allow specific domains -->
<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Cool Site</title>
</head>
<body>
    <script src="clickjacket.min.js"></script>
    <script>
    // Replaces the page html when viewed in an
    // iframe not at the cooldomain.com or cooldomain.io domains.
    (new ClickJacket({
        allowedDomains: ['cooldomain.com', 'cooldomain.io']
    })).runCheck();
    </script>
</body>
</html>
<!-- Allow specific protocols -->
<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Cool Site</title>
</head>
<body>
    <script src="clickjacket.min.js"></script>
    <script>
     // Replaces the page html when viewed in an
    // iframe not using an https protocol.
    (new ClickJacket({
        allowedProtocols: ['https']
    })).runCheck();
    </script>
</body>
</html>
<!-- Show specialized message -->
<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Cool Site</title>
</head>
<body>
    <script src="clickjacket.min.js"></script>
    <script>
     // Replaces the page html with a failure message.
    (new ClickJacket({
        allowedDomains: ['cooldomain.com', 'cooldomain.io'],
        allowedProtocols: ['https'],
        failureMessage: 'This site cannot be viewed from this iframe.'
    })).runCheck();
    </script>
</body>
</html>