59 lines
2.3 KiB
JavaScript
59 lines
2.3 KiB
JavaScript
"use strict";
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// Inlined from https://github.com/parshap/node-sanitize-filename/blob/master/index.js
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.sanitizeFilename = void 0;
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const truncate_utf8_bytes_1 = require("./truncate-utf8-bytes");
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/**
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* Replaces characters in strings that are illegal/unsafe for filenames.
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* Unsafe characters are either removed or replaced by a substitute set
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* in the optional `options` object.
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*
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* Illegal Characters on Various Operating Systems
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* / ? < > \ : * | "
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* https://kb.acronis.com/content/39790
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*
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* Unicode Control codes
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* C0 0x00-0x1f & C1 (0x80-0x9f)
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* http://en.wikipedia.org/wiki/C0_and_C1_control_codes
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*
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* Reserved filenames on Unix-based systems (".", "..")
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* Reserved filenames in Windows ("CON", "PRN", "AUX", "NUL", "COM1",
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* "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
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* "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", and
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* "LPT9") case-insesitively and with or without filename extensions.
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*
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* Capped at 255 characters in length.
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* http://unix.stackexchange.com/questions/32795/what-is-the-maximum-allowed-filename-and-folder-size-with-ecryptfs
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*
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* @param {String} input Original filename
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* @param {Object} options {replacement: String | Function }
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* @return {String} Sanitized filename
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*/
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const illegalRe = /[/?<>\\:*|"]/g;
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// eslint-disable-next-line no-control-regex
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const controlRe = /[\x00-\x1f\x80-\x9f]/g;
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const reservedRe = /^\.+$/;
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const windowsReservedRe = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i;
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const windowsTrailingRe = /[. ]+$/;
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function sanitize(input, replacement) {
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if (typeof input !== 'string') {
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throw new Error('Input must be string');
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}
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const sanitized = input
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.replace(illegalRe, replacement)
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.replace(controlRe, replacement)
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.replace(reservedRe, replacement)
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.replace(windowsReservedRe, replacement)
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.replace(windowsTrailingRe, replacement);
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return (0, truncate_utf8_bytes_1.truncateUtf8Bytes)(sanitized, 255);
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}
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const sanitizeFilename = (input) => {
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const replacement = '';
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const output = sanitize(input, replacement);
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if (replacement === '') {
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return output;
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}
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return sanitize(output, '');
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};
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exports.sanitizeFilename = sanitizeFilename;
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