mirror of
https://github.com/diegosouzapw/OmniRoute.git
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126 lines
4.3 KiB
TypeScript
126 lines
4.3 KiB
TypeScript
/**
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* Antigravity project bootstrap — loadCodeAssist.
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*
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* The Google Cloud Code Assist API (/v1internal:models) requires a prior
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* /v1internal:loadCodeAssist call to assign a project context to the
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* OAuth token. Without this bootstrap, :models returns 404.
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*
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* This module provides an idempotent ensureAntigravityProjectAssigned()
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* helper that is called once per access-token before every discovery
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* attempt. Results are memoized per-token for the process lifetime to
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* avoid redundant round-trips.
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*
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* Based on AntigravityService.loadCodeAssist() in
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* src/lib/oauth/services/antigravity.ts and the CLIProxyAPI reference
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* implementation in internal/runtime/executor/antigravity_executor.go.
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*/
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import {
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getAntigravityHeaders,
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getAntigravityLoadCodeAssistMetadata,
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} from "./antigravityHeaders.ts";
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import { ANTIGRAVITY_BASE_URLS } from "../config/antigravityUpstream.ts";
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const LOAD_CODE_ASSIST_PATH = "/v1internal:loadCodeAssist";
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const BOOTSTRAP_TIMEOUT_MS = 8_000;
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/** Ordered list of loadCodeAssist endpoint URLs (mirrors the models discovery order). */
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export function getAntigravityLoadCodeAssistUrls(): string[] {
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return ANTIGRAVITY_BASE_URLS.map((base) => `${base}${LOAD_CODE_ASSIST_PATH}`);
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}
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/** Per-token memoization cache (lives for the process lifetime). */
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const projectCache = new Map<string, string>();
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type FetchLike = (url: string, init?: RequestInit) => Promise<Response>;
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/**
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* Attempt loadCodeAssist against each known base URL in order.
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* Returns the discovered project id, or null if all endpoints fail.
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*/
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async function tryLoadCodeAssist(
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accessToken: string,
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fetchImpl: FetchLike
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): Promise<string | null> {
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const urls = getAntigravityLoadCodeAssistUrls();
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for (const url of urls) {
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try {
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const response = await fetchImpl(url, {
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method: "POST",
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headers: getAntigravityHeaders("loadCodeAssist", accessToken),
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body: JSON.stringify({ metadata: getAntigravityLoadCodeAssistMetadata() }),
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signal: AbortSignal.timeout(BOOTSTRAP_TIMEOUT_MS),
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});
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if (!response.ok) {
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console.warn(
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`[models] antigravity loadCodeAssist failed at ${url} (${response.status}) — trying next`
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);
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continue;
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}
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const data = (await response.json()) as Record<string, unknown>;
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// cloudaicompanionProject may be a plain string or an object with an id field.
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const raw = data.cloudaicompanionProject;
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let projectId =
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typeof raw === "string"
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? raw.trim()
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: raw &&
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typeof raw === "object" &&
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typeof (raw as Record<string, unknown>).id === "string"
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? ((raw as Record<string, unknown>).id as string).trim()
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: "";
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if (projectId) {
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return projectId;
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}
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console.warn(
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`[models] antigravity loadCodeAssist at ${url} returned no project id — trying next`
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);
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} catch (error) {
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const msg = error instanceof Error ? error.message : String(error);
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console.warn(`[models] antigravity loadCodeAssist threw for ${url}: ${msg} — trying next`);
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}
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}
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return null;
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}
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/**
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* Ensure a project is assigned to the given access token by calling
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* loadCodeAssist if not already cached. Idempotent — repeated calls
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* for the same token return the cached result without a network round-trip.
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*
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* Failures are non-fatal: the caller should proceed with the :models
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* request regardless (the stored project_id in the DB may still be valid).
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*
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* @param accessToken The OAuth bearer token for the current connection.
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* @param fetchImpl Injected fetch implementation (defaults to globalThis.fetch).
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*/
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export async function ensureAntigravityProjectAssigned(
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accessToken: string,
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fetchImpl: FetchLike = fetch
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): Promise<void> {
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if (projectCache.has(accessToken)) {
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return; // already bootstrapped for this token
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}
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const projectId = await tryLoadCodeAssist(accessToken, fetchImpl);
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if (projectId) {
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projectCache.set(accessToken, projectId);
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}
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// Non-fatal: if all endpoints failed, we proceed without caching.
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}
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/** Exported for tests. */
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export function clearAntigravityProjectCache(): void {
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projectCache.clear();
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}
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/** Exported for tests — inspect cache state. */
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export function getAntigravityProjectFromCache(accessToken: string): string | undefined {
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return projectCache.get(accessToken);
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}
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