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110 lines
3.1 KiB
JavaScript
110 lines
3.1 KiB
JavaScript
/* eslint-env node */
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const path = require('path');
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const { compose } = require('lodash/fp');
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const { escapeRegExp, isRegExp, isString } = require('lodash');
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const APP_ROOT_PATH = path.join(__dirname, '..', '..', '..');
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const SESSION_ID_PATTERN = /\b((05)?[0-9a-f]{64})\b/gi;
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const SNODE_PATTERN = /(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/;
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const GROUP_ID_PATTERN = /(group\()([^)]+)(\))/g;
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const SERVER_URL_PATTERN = /https?:\/\/[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_+.~#?&//=]*)/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 (!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 (!isString(text)) {
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throw new TypeError("'text' must be a string");
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}
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if (!isRegExp(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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// redactSessionID :: String -> String
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exports.redactSessionID = text => {
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if (!isString(text)) {
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throw new TypeError("'text' must be a string");
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}
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return text.replace(SESSION_ID_PATTERN, REDACTION_PLACEHOLDER);
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};
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exports.redactSnodeIP = text => {
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if (!isString(text)) {
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throw new TypeError("'text' must be a string");
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}
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return text.replace(SNODE_PATTERN, REDACTION_PLACEHOLDER);
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};
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exports.redactServerUrl = text => {
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if (!isString(text)) {
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throw new TypeError("'text' must be a string");
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}
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return text.replace(SERVER_URL_PATTERN, REDACTION_PLACEHOLDER);
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};
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// redactGroupIds :: String -> String
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exports.redactGroupIds = text => {
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if (!isString(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}${removeNewlines(id).slice(-3)}${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.redactSessionID,
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exports.redactSnodeIP,
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exports.redactServerUrl
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);
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const removeNewlines = text => text.replace(/\r?\n|\r/g, '');
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