76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
/**
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* Original by Scott Helme.
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*
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* Reference: https://scotthelme.co.uk/csp-cheat-sheet/
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*
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* Supports the following:
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* - https://www.w3.org/TR/CSP1/
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* - https://www.w3.org/TR/CSP2/
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* - https://www.w3.org/TR/CSP3/
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*/
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(function (Prism) {
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/**
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* @param {string} source
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* @returns {RegExp}
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*/
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function value(source) {
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return RegExp(/([ \t])/.source + '(?:' + source + ')' + /(?=[\s;]|$)/.source, 'i');
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}
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Prism.languages.csp = {
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'directive': {
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pattern: /(^|[\s;])(?:base-uri|block-all-mixed-content|(?:child|connect|default|font|frame|img|manifest|media|object|prefetch|script|style|worker)-src|disown-opener|form-action|frame-(?:ancestors|options)|input-protection(?:-(?:clip|selectors))?|navigate-to|plugin-types|policy-uri|referrer|reflected-xss|report-(?:to|uri)|require-sri-for|sandbox|(?:script|style)-src-(?:attr|elem)|upgrade-insecure-requests)(?=[\s;]|$)/i,
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lookbehind: true,
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alias: 'property'
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},
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'scheme': {
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pattern: value(/[a-z][a-z0-9.+-]*:/.source),
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lookbehind: true
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},
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'none': {
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pattern: value(/'none'/.source),
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lookbehind: true,
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alias: 'keyword'
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},
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'nonce': {
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pattern: value(/'nonce-[-+/\w=]+'/.source),
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lookbehind: true,
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alias: 'number'
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},
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'hash': {
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pattern: value(/'sha(?:256|384|512)-[-+/\w=]+'/.source),
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lookbehind: true,
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alias: 'number'
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},
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'host': {
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pattern: value(
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/[a-z][a-z0-9.+-]*:\/\/[^\s;,']*/.source +
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'|' +
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/\*[^\s;,']*/.source +
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'|' +
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/[a-z0-9-]+(?:\.[a-z0-9-]+)+(?::[\d*]+)?(?:\/[^\s;,']*)?/.source
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),
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lookbehind: true,
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alias: 'url',
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inside: {
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'important': /\*/
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}
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},
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'keyword': [
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{
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pattern: value(/'unsafe-[a-z-]+'/.source),
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lookbehind: true,
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alias: 'unsafe'
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},
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{
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pattern: value(/'[a-z-]+'/.source),
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lookbehind: true,
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alias: 'safe'
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},
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],
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'punctuation': /;/
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};
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}(Prism));
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