Files
clawdbot/src/gateway/http-utils.ts
2026-01-20 07:37:30 +00:00

65 lines
2.1 KiB
TypeScript

import { randomUUID } from "node:crypto";
import type { IncomingMessage } from "node:http";
import { buildAgentMainSessionKey, normalizeAgentId } from "../routing/session-key.js";
export function getHeader(req: IncomingMessage, name: string): string | undefined {
const raw = req.headers[name.toLowerCase()];
if (typeof raw === "string") return raw;
if (Array.isArray(raw)) return raw[0];
return undefined;
}
export function getBearerToken(req: IncomingMessage): string | undefined {
const raw = getHeader(req, "authorization")?.trim() ?? "";
if (!raw.toLowerCase().startsWith("bearer ")) return undefined;
const token = raw.slice(7).trim();
return token || undefined;
}
export function resolveAgentIdFromHeader(req: IncomingMessage): string | undefined {
const raw =
getHeader(req, "x-clawdbot-agent-id")?.trim() ||
getHeader(req, "x-clawdbot-agent")?.trim() ||
"";
if (!raw) return undefined;
return normalizeAgentId(raw);
}
export function resolveAgentIdFromModel(model: string | undefined): string | undefined {
const raw = model?.trim();
if (!raw) return undefined;
const m =
raw.match(/^clawdbot[:/](?<agentId>[a-z0-9][a-z0-9_-]{0,63})$/i) ??
raw.match(/^agent:(?<agentId>[a-z0-9][a-z0-9_-]{0,63})$/i);
const agentId = m?.groups?.agentId;
if (!agentId) return undefined;
return normalizeAgentId(agentId);
}
export function resolveAgentIdForRequest(params: {
req: IncomingMessage;
model: string | undefined;
}): string {
const fromHeader = resolveAgentIdFromHeader(params.req);
if (fromHeader) return fromHeader;
const fromModel = resolveAgentIdFromModel(params.model);
return fromModel ?? "main";
}
export function resolveSessionKey(params: {
req: IncomingMessage;
agentId: string;
user?: string | undefined;
prefix: string;
}): string {
const explicit = getHeader(params.req, "x-clawdbot-session-key")?.trim();
if (explicit) return explicit;
const user = params.user?.trim();
const mainKey = user ? `${params.prefix}-user:${user}` : `${params.prefix}:${randomUUID()}`;
return buildAgentMainSessionKey({ agentId: params.agentId, mainKey });
}