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| 1 | +'use strict' |
| 2 | + |
| 3 | +const crypto = require('crypto') |
| 4 | + |
| 5 | +const fs = require('fs') |
| 6 | + |
| 7 | +const path = require('path') |
| 8 | + |
| 9 | +const util = require('util') |
| 10 | + |
| 11 | +const readFile = util.promisify(fs.readFile) |
| 12 | + |
| 13 | +const writeFile = util.promisify(fs.writeFile) |
| 14 | + |
| 15 | +const readdir = util.promisify(fs.readdir) |
| 16 | + |
| 17 | +const regexes = [ |
| 18 | + { |
| 19 | + from: /<securecookie\s+(host|name)=\s*["']\^?\.[+*]?\$?["']\s+(host|name)=\s*["']\^?\.[+*]?\$?["']\s*\/>/g, |
| 20 | + to: '<securecookie host=".+" name=".+" />' |
| 21 | + }, |
| 22 | + { |
| 23 | + from: /<securecookie\s+host=\s*["'](.+)["']\s+name=\s*["']\^?\.[+*]?\$?["']\s*\/>/g, |
| 24 | + to: '<securecookie host="$1" name=".+" />' |
| 25 | + }, |
| 26 | + { |
| 27 | + from: /<securecookie\s+name=\s*["']\^?\.[+*]?\$?["']\s+host=\s*["'](.+)["']\s*\/>/g, |
| 28 | + to: '<securecookie host="$1" name=".+" />' |
| 29 | + }, |
| 30 | + { |
| 31 | + from: /<securecookie\s+host=\s*["']\^?\.[+*]?\$?["']\s+name=\s*["'](.+)["']\s*\/>/g, |
| 32 | + to: '<securecookie host=".+" name="$1" />' |
| 33 | + }, |
| 34 | + { |
| 35 | + from: /<securecookie\s+name=\s*["'](.+)["']\s+host=\s*["']\^?\.[+*]?\$?["']\s*\/>/g, |
| 36 | + to: '<securecookie host=".+" name="$1" />' |
| 37 | + } |
| 38 | +] |
| 39 | + |
| 40 | +function parseWhitelist (data) { |
| 41 | + const lines = data.split('\n').slice(1) |
| 42 | + const result = {} |
| 43 | + |
| 44 | + for (const line of lines) { |
| 45 | + const lineSplit = line.split(',') |
| 46 | + |
| 47 | + if (lineSplit.length !== 4) continue |
| 48 | + |
| 49 | + const key = lineSplit[3].toLowerCase() |
| 50 | + |
| 51 | + const value = lineSplit[0] |
| 52 | + |
| 53 | + result[key] = value |
| 54 | + } |
| 55 | + |
| 56 | + return result |
| 57 | +} |
| 58 | + |
| 59 | +const rulesDir = path.resolve(__dirname, '../src/chrome/content/rules') |
| 60 | +const rulesetWhitelistFile = path.join(__dirname, 'ruleset-whitelist.csv') |
| 61 | + |
| 62 | +async function main () { |
| 63 | + const rulesetWhitelistContents = await readFile(rulesetWhitelistFile, 'utf8') |
| 64 | + let rulesetWhitelistNewContents = rulesetWhitelistContents |
| 65 | + |
| 66 | + const rulesetWhitelist = parseWhitelist(rulesetWhitelistContents) |
| 67 | + |
| 68 | + const files = (await readdir(rulesDir)).filter(name => name.endsWith('.xml')).sort() |
| 69 | + let changedCount = 0 |
| 70 | + |
| 71 | + for (const fileName of files) { |
| 72 | + const fileNameLowerCase = fileName.toLowerCase() |
| 73 | + |
| 74 | + const file = path.join(rulesDir, fileName) |
| 75 | + |
| 76 | + const originalContents = await readFile(file, 'utf8') |
| 77 | + |
| 78 | + let fixHash = false |
| 79 | + let originalHash |
| 80 | + |
| 81 | + if (fileNameLowerCase in rulesetWhitelist) { |
| 82 | + originalHash = crypto.createHash('sha256').update(originalContents).digest('hex') |
| 83 | + |
| 84 | + if (rulesetWhitelist[fileNameLowerCase] === originalHash) { |
| 85 | + fixHash = true |
| 86 | + console.log(`"${fileName}" is in the whitelist and the hash matches. Fixing the hash if the file will be modified.`) |
| 87 | + } else { |
| 88 | + console.log(`"${fileName}" is in the whitelist and the hash DOESN'T MATCH!!! Actual hash is "${originalHash}". Not fixing the hash if the file will be modified.`) |
| 89 | + } |
| 90 | + } |
| 91 | + |
| 92 | + let newContents = originalContents |
| 93 | + |
| 94 | + for (const regex of regexes) { |
| 95 | + newContents = newContents.replace(regex.from, regex.to) |
| 96 | + } |
| 97 | + |
| 98 | + if (newContents !== originalContents) { |
| 99 | + if (fixHash) { |
| 100 | + const newHash = crypto.createHash('sha256').update(newContents).digest('hex') |
| 101 | + rulesetWhitelistNewContents = rulesetWhitelistNewContents.replace(originalHash, newHash) |
| 102 | + |
| 103 | + console.log(`"${fileName}" has been modified, its new hash is "${newHash}".`) |
| 104 | + } else { |
| 105 | + console.log(`"${fileName}" has been modified.`) |
| 106 | + } |
| 107 | + |
| 108 | + await writeFile(file, newContents, 'utf8') |
| 109 | + |
| 110 | + changedCount++ |
| 111 | + } |
| 112 | + } |
| 113 | + |
| 114 | + console.log(`${changedCount} of ${files.length} files have changed (${changedCount / files.length * 100}%).`) |
| 115 | + |
| 116 | + if (rulesetWhitelistNewContents !== rulesetWhitelistContents) { |
| 117 | + await writeFile(rulesetWhitelistFile, rulesetWhitelistNewContents, 'utf8') |
| 118 | + |
| 119 | + console.log('Ruleset whitelist has been updated.') |
| 120 | + } |
| 121 | +} |
| 122 | + |
| 123 | +main() |
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