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security: add Slack, JWT, Azure, and Discord patterns to sanitize.js #414

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security: add Slack, JWT, Azure, and Discord patterns to sanitize.js #414

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security: add Slack/JWT/Azure/Discord token patterns to sanitize.js (…
shaun0927 Apr 17, 2026
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security: tighten Discord token regex and align REDACT/LEAK_SCANNERS
shaun0927 Apr 17, 2026
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17 changes: 17 additions & 0 deletions src/gep/sanitize.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,19 @@ const REDACT_PATTERNS = [
/sk-ant-[A-Za-z0-9\-_]{20,}/g,
// npm tokens
/npm_[A-Za-z0-9]{36,}/g,
// Slack tokens (bot/user/app/refresh/verification)
/xox[baprsv]-[A-Za-z0-9-]{10,}/g,
// JSON Web Tokens (header.payload.signature)
/eyJ[A-Za-z0-9_\-]+\.eyJ[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]{20,}/g,
// Azure storage connection strings (redact the key field only)
/AccountKey=[^;\s]+/gi,
// Discord bot tokens. Three base64url segments:
// 1. 24+ chars starting with [MNO] (user-id snowflake, base64-encoded)
// 2. exactly 6 chars (timestamp)
// 3. 27+ chars (HMAC signature)
// Requiring an uppercase leading char avoids false-matching dotted
// lowercase identifiers (Python module paths, hostnames, etc.).
/\b[MNO][A-Za-z0-9_-]{23,}\.[A-Za-z0-9_-]{6}\.[A-Za-z0-9_-]{27,}\b/g,
// Private keys
/-----BEGIN\s+(?:RSA\s+|EC\s+|DSA\s+|OPENSSH\s+)?PRIVATE\s+KEY-----[\s\S]*?-----END\s+(?:RSA\s+|EC\s+|DSA\s+|OPENSSH\s+)?PRIVATE\s+KEY-----/g,
// Basic auth in URLs (redact only credentials, keep :// and @)
Expand Down Expand Up @@ -75,6 +88,10 @@ const LEAK_SCANNERS = [
{ type: 'github_token', pattern: /ghp_[A-Za-z0-9]{36,}/g, suggest: 'process.env.GITHUB_TOKEN' },
{ type: 'github_token', pattern: /github_pat_[A-Za-z0-9_]{22,}/g, suggest: 'process.env.GITHUB_TOKEN' },
{ type: 'npm_token', pattern: /npm_[A-Za-z0-9]{36,}/g, suggest: 'process.env.NPM_TOKEN' },
{ type: 'slack_token', pattern: /xox[baprsv]-[A-Za-z0-9-]{10,}/g, suggest: 'process.env.SLACK_TOKEN' },
{ type: 'jwt', pattern: /eyJ[A-Za-z0-9_\-]+\.eyJ[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]{20,}/g, suggest: 'process.env.JWT' },
{ type: 'azure_key', pattern: /AccountKey=[^;\s]+/gi, suggest: 'process.env.AZURE_STORAGE_KEY' },
{ type: 'discord_token', pattern: /\b[MNO][A-Za-z0-9_-]{23,}\.[A-Za-z0-9_-]{6}\.[A-Za-z0-9_-]{27,}\b/g, suggest: 'process.env.DISCORD_TOKEN' },
{ type: 'bearer_token', pattern: /Bearer\s+[A-Za-z0-9\-._~+\/]{20,}=*/g, suggest: 'process.env.AUTH_TOKEN' },
{ type: 'private_key', pattern: /-----BEGIN\s+(?:RSA\s+|EC\s+|DSA\s+|OPENSSH\s+)?PRIVATE\s+KEY-----/g, suggest: 'process.env.PRIVATE_KEY_PATH' },
// Database connection strings with credentials
Expand Down