58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
include::../description.adoc[]
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include::../ask-yourself.adoc[]
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include::../recommended.adoc[]
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== Sensitive Code Example
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In Express.js application the code is sensitive if the https://www.npmjs.com/package/helmet-csp[helmet-csp] or https://www.npmjs.com/package/helmet[helmet] middleware is used without the ``++frameAncestors++`` directive (or if ``++frameAncestors++`` is set to ``++'none'++``):
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----
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const express = require('express');
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const helmet = require('helmet');
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let app = express();
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app.use(
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helmet.contentSecurityPolicy({
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directives: {
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// other directives
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frameAncestors: ["'none'"] // Sensitive: frameAncestors is set to none
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}
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})
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);
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----
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== Compliant Solution
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In Express.js application a standard way to implement CSP frame-ancestors directive is the https://www.npmjs.com/package/helmet-csp[helmet-csp] or https://www.npmjs.com/package/helmet[helmet] middleware:
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[source,javascript]
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----
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const express = require('express');
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const helmet = require('helmet');
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let app = express();
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app.use(
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helmet.contentSecurityPolicy({
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directives: {
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// other directives
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frameAncestors: ["'example.com'"] // Compliant
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}
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})
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);
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----
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include::../see.adoc[]
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::../message.adoc[]
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endif::env-github,rspecator-view[]
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