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adfde7d26b
Reenable `prefer-regex-literals` eslint rule GitOrigin-RevId: 3c576d92a08dfcb745d447b1bf8c7b828753010d
99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
/* eslint-disable
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max-len,
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no-return-assign,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* DS207: Consider shorter variations of null checks
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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// This file is shared between the frontend and server code of web, so that
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// filename validation is the same in both implementations.
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// The logic in all copies must be kept in sync:
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// app/src/Features/Project/SafePath.js
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// frontend/js/ide/directives/SafePath.js
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// frontend/js/features/file-tree/util/safe-path.js
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let SafePath
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// eslint-disable-next-line prefer-regex-literals
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const BADCHAR_RX = new RegExp(
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`\
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[\
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\\/\
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\\\\\
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\\*\
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\\u0000-\\u001F\
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\\u007F\
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\\u0080-\\u009F\
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\\uD800-\\uDFFF\
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]\
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`,
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'g'
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)
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// eslint-disable-next-line prefer-regex-literals
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const BADFILE_RX = new RegExp(
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`\
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(^\\.$)\
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|(^\\.\\.$)\
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|(^\\s+)\
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|(\\s+$)\
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`,
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'g'
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)
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// Put a block on filenames which match javascript property names, as they
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// can cause exceptions where the code puts filenames into a hash. This is a
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// temporary workaround until the code in other places is made safe against
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// property names.
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//
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// The list of property names is taken from
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// ['prototype'].concat(Object.getOwnPropertyNames(Object.prototype))
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// eslint-disable-next-line prefer-regex-literals
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const BLOCKEDFILE_RX = new RegExp(`\
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^(\
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prototype\
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|constructor\
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|toString\
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|toLocaleString\
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|valueOf\
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|hasOwnProperty\
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|isPrototypeOf\
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|propertyIsEnumerable\
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|__defineGetter__\
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|__lookupGetter__\
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|__defineSetter__\
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|__lookupSetter__\
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|__proto__\
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)$\
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`)
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const MAX_PATH = 1024 // Maximum path length, in characters. This is fairly arbitrary.
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export default SafePath = {
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clean(filename) {
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filename = filename.replace(BADCHAR_RX, '_')
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// for BADFILE_RX replace any matches with an equal number of underscores
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filename = filename.replace(BADFILE_RX, match =>
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new Array(match.length + 1).join('_')
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)
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// replace blocked filenames 'prototype' with '@prototype'
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filename = filename.replace(BLOCKEDFILE_RX, '@$1')
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return filename
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},
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isCleanFilename(filename) {
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return (
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SafePath.isAllowedLength(filename) &&
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!filename.match(BADCHAR_RX) &&
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!filename.match(BADFILE_RX)
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)
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},
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isAllowedLength(pathname) {
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return pathname.length > 0 && pathname.length <= MAX_PATH
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},
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}
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