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| 1 | +import { isObject } from "./core-types"; |
| 2 | + |
| 3 | +const REDACTED = "[REDACTED]"; |
| 4 | +const REDACTED_MUBIT_KEY = "[REDACTED_MUBIT_KEY]"; |
| 5 | +const REDACTED_API_KEY = "[REDACTED_API_KEY]"; |
| 6 | +const REDACTED_BEARER = "[REDACTED_BEARER_TOKEN]"; |
| 7 | +const REDACTED_JWT = "[REDACTED_JWT]"; |
| 8 | +const REDACTED_URL_CREDENTIAL = "[REDACTED_URL_CREDENTIAL]"; |
| 9 | + |
| 10 | +const MUBIT_KEY = /\bmbt_[A-Za-z0-9._-]{20,}\b/g; |
| 11 | +const GENERIC_SK_KEY = /\bsk-[A-Za-z0-9._-]{20,}\b/g; |
| 12 | +const ANTHROPIC_KEY = /\bsk-ant-[A-Za-z0-9._-]{16,}\b/g; |
| 13 | +const GITHUB_PAT = /\bgithub_pat_[A-Za-z0-9_]{20,}\b/g; |
| 14 | +const GITHUB_TOKEN = /\bgh(?:p|o|u|s|r)_[A-Za-z0-9]{20,}\b/g; |
| 15 | +const GOOGLE_API_KEY = /\bAIza[0-9A-Za-z\-_]{20,}\b/g; |
| 16 | +const SLACK_TOKEN = /\bxox[baprs]-[A-Za-z0-9-]{10,}\b/gi; |
| 17 | +const AWS_ACCESS_KEY_ID = /\b(?:AKIA|ASIA|AGPA|AIDA|AROA|ANPA)[A-Z0-9]{16}\b/g; |
| 18 | +const JWT_TOKEN = /\beyJ[A-Za-z0-9_-]{8,}\.[A-Za-z0-9_-]{8,}\.[A-Za-z0-9_-]{8,}\b/g; |
| 19 | +const PEM_PRIVATE_KEY_BLOCK = /-----BEGIN [A-Z0-9 ]*PRIVATE KEY-----[\s\S]*?-----END [A-Z0-9 ]*PRIVATE KEY-----/g; |
| 20 | +const PEM_CERT_BLOCK = /-----BEGIN (?:RSA |EC |DSA |OPENSSH )?PRIVATE KEY-----[\s\S]*?-----END (?:RSA |EC |DSA |OPENSSH )?PRIVATE KEY-----/g; |
| 21 | +const AUTHORIZATION_BEARER = |
| 22 | + /(authorization\s*[:=]\s*(?:bearer|token)\s+)([^\s"',;]{8,})/gi; |
| 23 | +const BASIC_AUTH_HEADER = |
| 24 | + /(authorization\s*[:=]\s*basic\s+)([A-Za-z0-9+/=]{8,})/gi; |
| 25 | +const SECRET_QUERY_PARAM = |
| 26 | + /([?&](?:api[_-]?key|token|access[_-]?token|refresh[_-]?token|secret|password)=)([^&#\s]+)/gi; |
| 27 | +const URL_USERINFO = /(\bhttps?:\/\/)([^\/\s:@]+):([^@\s\/]+)@/gi; |
| 28 | +const SECRET_ASSIGNMENT = |
| 29 | + /(^|[\s,{([])((?:api[_-]?key|access[_-]?token|refresh[_-]?token|session[_-]?token|client[_-]?secret|private[_-]?key|password|passwd|pwd|token|secret))(\s*[:=]\s*["']?)([^\s"',}\])]{6,})/gim; |
| 30 | +const ENV_SECRET_ASSIGNMENT = |
| 31 | + /\b([A-Z0-9_]*(?:API_KEY|APIKEY|TOKEN|SECRET|PASSWORD|PASSWD|PRIVATE_KEY|ACCESS_KEY|REFRESH_TOKEN|SESSION_TOKEN)[A-Z0-9_]*)\s*=\s*("[^"]{4,}"|'[^']{4,}'|[^\s"']{4,})/g; |
| 32 | +const AWS_SECRET_ACCESS_KEY_ASSIGNMENT = |
| 33 | + /(\baws(?:_|-)?secret(?:_|-)?access(?:_|-)?key\b\s*[:=]\s*["']?)([^\s"']{16,})/gi; |
| 34 | +const PRIVATE_KEY_JSON_FIELD = |
| 35 | + /("private_key"\s*:\s*")([\s\S]*?)(")/gi; |
| 36 | + |
| 37 | +const SENSITIVE_KEY_NAME = |
| 38 | + /(?:^|[_-])(api(?:[_-]?key)?|apikey|token|secret|password|passwd|pwd|authorization|auth|private(?:[_-]?key)?|client(?:[_-]?secret)?|access(?:[_-]?token)?|refresh(?:[_-]?token)?|session(?:[_-]?token)?)(?:$|[_-])/i; |
| 39 | + |
| 40 | +function redactStringPatterns(input: string): string { |
| 41 | + return input |
| 42 | + .replace(PEM_PRIVATE_KEY_BLOCK, "[REDACTED_PRIVATE_KEY_BLOCK]") |
| 43 | + .replace(PEM_CERT_BLOCK, "[REDACTED_PRIVATE_KEY_BLOCK]") |
| 44 | + .replace(PRIVATE_KEY_JSON_FIELD, `$1[REDACTED_PRIVATE_KEY]$3`) |
| 45 | + .replace(MUBIT_KEY, REDACTED_MUBIT_KEY) |
| 46 | + .replace(ANTHROPIC_KEY, REDACTED_API_KEY) |
| 47 | + .replace(GENERIC_SK_KEY, REDACTED_API_KEY) |
| 48 | + .replace(GITHUB_PAT, REDACTED_API_KEY) |
| 49 | + .replace(GITHUB_TOKEN, REDACTED_API_KEY) |
| 50 | + .replace(GOOGLE_API_KEY, REDACTED_API_KEY) |
| 51 | + .replace(SLACK_TOKEN, REDACTED_API_KEY) |
| 52 | + .replace(AWS_ACCESS_KEY_ID, REDACTED_API_KEY) |
| 53 | + .replace(JWT_TOKEN, REDACTED_JWT) |
| 54 | + .replace(AUTHORIZATION_BEARER, (_m, prefix) => `${prefix}${REDACTED_BEARER}`) |
| 55 | + .replace(BASIC_AUTH_HEADER, (_m, prefix) => `${prefix}${REDACTED}`) |
| 56 | + .replace(SECRET_QUERY_PARAM, (_m, prefix) => `${prefix}${REDACTED}`) |
| 57 | + .replace(URL_USERINFO, (_m, scheme) => `${scheme}${REDACTED_URL_CREDENTIAL}:${REDACTED_URL_CREDENTIAL}@`) |
| 58 | + .replace(AWS_SECRET_ACCESS_KEY_ASSIGNMENT, (_m, prefix) => `${prefix}${REDACTED}`) |
| 59 | + .replace(ENV_SECRET_ASSIGNMENT, (_m, key) => `${key}=${REDACTED}`) |
| 60 | + .replace(SECRET_ASSIGNMENT, (_m, leading, key, sep) => `${leading}${key}${sep}${REDACTED}`); |
| 61 | +} |
| 62 | + |
| 63 | +function isSensitiveKeyName(keyName: string | undefined): boolean { |
| 64 | + if (!keyName) { |
| 65 | + return false; |
| 66 | + } |
| 67 | + return SENSITIVE_KEY_NAME.test(keyName); |
| 68 | +} |
| 69 | + |
| 70 | +function redactUnknownInternal<T>(value: T, keyName?: string): T { |
| 71 | + if (typeof value === "string") { |
| 72 | + if (isSensitiveKeyName(keyName)) { |
| 73 | + return REDACTED as T; |
| 74 | + } |
| 75 | + return redactStringPatterns(value) as T; |
| 76 | + } |
| 77 | + |
| 78 | + if (Array.isArray(value)) { |
| 79 | + return value.map((item) => redactUnknownInternal(item, keyName)) as T; |
| 80 | + } |
| 81 | + |
| 82 | + if (isObject(value)) { |
| 83 | + const out: Record<string, unknown> = {}; |
| 84 | + for (const [k, v] of Object.entries(value)) { |
| 85 | + out[k] = redactUnknownInternal(v, k); |
| 86 | + } |
| 87 | + return out as T; |
| 88 | + } |
| 89 | + |
| 90 | + return value; |
| 91 | +} |
| 92 | + |
| 93 | +export function redactSensitiveString(input: string): string { |
| 94 | + return redactStringPatterns(input); |
| 95 | +} |
| 96 | + |
| 97 | +export function redactUnknown<T>(value: T): T { |
| 98 | + return redactUnknownInternal(value); |
| 99 | +} |
| 100 | + |
| 101 | +export function redactRawLine(input: string): string { |
| 102 | + const trimmed = input.trim(); |
| 103 | + if ((trimmed.startsWith("{") || trimmed.startsWith("[")) && trimmed.length > 1) { |
| 104 | + try { |
| 105 | + const parsed = JSON.parse(input) as unknown; |
| 106 | + return JSON.stringify(redactUnknown(parsed)); |
| 107 | + } catch { |
| 108 | + // fall back to string-level redaction |
| 109 | + } |
| 110 | + } |
| 111 | + return redactSensitiveString(input); |
| 112 | +} |
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