common.ts — astro Source File

Source Code

import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import astroIslandPrebuilt from '../../runtime/server/astro-island.prebuilt.js';
import astroIslandPrebuiltDev from '../../runtime/server/astro-island.prebuilt-dev.js';
import { ISLAND_STYLES } from '../../runtime/server/astro-island-styles.js';
import type { AstroSettings } from '../../types/astro.js';
import type { AstroConfig, CspAlgorithm } from '../../types/public/index.js';
import type { BuildInternals } from '../build/internal.js';
import { generateCspDigest } from '../encryption.js';
import type { CspDirective } from './config.js';

type EnabledCsp = Exclude<AstroConfig['security']['csp'], false>;

export function shouldTrackCspHashes(csp: any): csp is EnabledCsp {
	return csp === true || typeof csp === 'object';
}

export function getAlgorithm(csp: EnabledCsp): CspAlgorithm {
	if (csp === true) {
		return 'SHA-256';
	}
	return csp.algorithm;
}

export function getScriptHashes(csp: EnabledCsp): string[] {
	if (csp === true) {
		return [];
	} else {
		return csp.scriptDirective?.hashes ?? [];
	}
}

export function getScriptResources(csp: EnabledCsp): string[] {
	if (csp === true) {
		return [];
	}
	return csp.scriptDirective?.resources ?? [];
}

export function getStyleHashes(csp: EnabledCsp): string[] {
	if (csp === true) {
		return [];
	}
	return csp.styleDirective?.hashes ?? [];
}

export function getStyleResources(csp: EnabledCsp): string[] {
	if (csp === true) {
		return [];
	}
	return csp.styleDirective?.resources ?? [];
}

// Unlike other helpers like getStyleResources, getDirectives has more logic
// because it has to collect and deduplicate font resources from both the user
// config and the vite plugin for fonts
export function getDirectives(settings: AstroSettings): CspDirective[] {
	const { csp } = settings.config.security;
	if (!shouldTrackCspHashes(csp)) {
		return [];
// ... (106 more lines)