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