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89 lines
2.3 KiB
JavaScript
89 lines
2.3 KiB
JavaScript
/* eslint-env node */
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const is = require('@sindresorhus/is');
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const path = require('path');
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const { compose } = require('lodash/fp');
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const { escapeRegExp } = require('lodash');
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const APP_ROOT_PATH = path.join(__dirname, '..', '..', '..');
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const PHONE_NUMBER_PATTERN = /\+\d{7,12}(\d{3})/g;
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const GROUP_ID_PATTERN = /(group\()([^)]+)(\))/g;
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const REDACTION_PLACEHOLDER = '[REDACTED]';
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// _redactPath :: Path -> String -> String
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exports._redactPath = filePath => {
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if (!is.string(filePath)) {
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throw new TypeError("'filePath' must be a string");
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}
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const filePathPattern = exports._pathToRegExp(filePath);
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return text => {
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if (!is.string(text)) {
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throw new TypeError("'text' must be a string");
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}
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if (!is.regExp(filePathPattern)) {
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return text;
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}
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return text.replace(filePathPattern, REDACTION_PLACEHOLDER);
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};
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};
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// _pathToRegExp :: Path -> Maybe RegExp
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exports._pathToRegExp = filePath => {
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try {
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const pathWithNormalizedSlashes = filePath.replace(/\//g, '\\');
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const pathWithEscapedSlashes = filePath.replace(/\\/g, '\\\\');
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const urlEncodedPath = encodeURI(filePath);
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// Safe `String::replaceAll`:
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// https://github.com/lodash/lodash/issues/1084#issuecomment-86698786
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const patternString = [
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filePath,
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pathWithNormalizedSlashes,
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pathWithEscapedSlashes,
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urlEncodedPath,
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]
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.map(escapeRegExp)
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.join('|');
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return new RegExp(patternString, 'g');
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} catch (error) {
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return null;
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}
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};
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// Public API
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// redactPhoneNumbers :: String -> String
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exports.redactPhoneNumbers = text => {
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if (!is.string(text)) {
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throw new TypeError("'text' must be a string");
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}
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return text.replace(PHONE_NUMBER_PATTERN, `+${REDACTION_PLACEHOLDER}$1`);
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};
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// redactGroupIds :: String -> String
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exports.redactGroupIds = text => {
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if (!is.string(text)) {
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throw new TypeError("'text' must be a string");
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}
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return text.replace(
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GROUP_ID_PATTERN,
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(match, before, id, after) =>
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`${before}${REDACTION_PLACEHOLDER}${id.slice(-3)}${after}`
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);
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};
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// redactSensitivePaths :: String -> String
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exports.redactSensitivePaths = exports._redactPath(APP_ROOT_PATH);
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// redactAll :: String -> String
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exports.redactAll = compose(
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exports.redactSensitivePaths,
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exports.redactGroupIds,
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exports.redactPhoneNumbers
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);
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