24 lines
1.5 KiB
Swift
24 lines
1.5 KiB
Swift
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extension String {
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/// A namespace for the security headers' default configuration values.
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///
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/// `Strict-Transport-Security` is intentionally absent: it is only safe over HTTPS and is
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/// "sticky" in browsers, so it stays off unless explicitly configured in production.
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public enum Security {
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/// The default `Content-Security-Policy`.
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///
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/// Restricts every resource to the site's own origin (`default-src 'self'`), blocks plugins
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/// (`object-src 'none'`), pins the document base URL (`base-uri 'self'`), and forbids framing
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/// (`frame-ancestors 'none'`). No inline-style exception is included, so pages must link
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/// external stylesheets.
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public static let contentSecurityPolicy = "default-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'"
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/// The default `X-Content-Type-Options` (disables MIME sniffing).
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public static let contentTypeOptions = "nosniff"
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/// The default `X-Frame-Options` (forbids framing the page).
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public static let frameOptions = "DENY"
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/// The default `Referrer-Policy`.
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public static let referrerPolicy = "strict-origin-when-cross-origin"
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/// The default `Permissions-Policy` (denies access to powerful browser features a static site does not use).
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public static let permissionsPolicy = "accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()"
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}
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}
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