7ddc22dc0f
Add sanitizeForDiscord() in src/runtime/sanitize.ts. Router applies sanitizer to all channel.send() calls. Prevents path/token leaks into Discord channels. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
43 lines
1.3 KiB
TypeScript
43 lines
1.3 KiB
TypeScript
export interface SanitizeOptions {
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repoRoot?: string; // e.g. /home/user/.disclaw
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home?: string; // os.homedir()
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}
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/**
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* Sanitizes agent output before it is sent to a Discord channel.
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* Replaces absolute paths and sensitive tokens so they are never leaked.
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*
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* Replacement order is intentional — longest/most-specific patterns first:
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* 1. repoRoot → <disclaw>
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* 2. home → ~
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* 3. Discord bot token pattern → <redacted>
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* 4. Anthropic API key pattern → <redacted>
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*/
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export function sanitizeForDiscord(
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text: string,
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opts: SanitizeOptions = {}
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): string {
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let result = text;
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// 1. Replace repo root before home so that sub-paths are caught by the
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// more specific substitution first (repoRoot is usually inside home).
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if (opts.repoRoot) {
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result = result.split(opts.repoRoot).join("<disclaw>");
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}
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// 2. Replace home directory with ~
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if (opts.home) {
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result = result.split(opts.home).join("~");
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}
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// 3. Discord bot token — format: [MN]<23 base64url>.<6 base64url>.<27 base64url>
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result = result.replace(
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/[MN][A-Za-z\d]{23}\.[\w-]{6}\.[\w-]{27}/g,
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"<redacted>"
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);
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// 4. Anthropic API key — format: sk-ant-<20+ base64url chars>
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result = result.replace(/sk-ant-[A-Za-z0-9\-_]{20,}/g, "<redacted>");
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return result;
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}
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