9router/open-sse/executors/antigravity.js

90 lines
2.9 KiB
JavaScript

import crypto from "crypto";
import { BaseExecutor } from "./base.js";
import { PROVIDERS, OAUTH_ENDPOINTS } from "../config/constants.js";
export class AntigravityExecutor extends BaseExecutor {
constructor() {
super("antigravity", PROVIDERS.antigravity);
}
buildUrl(model, stream, urlIndex = 0) {
const baseUrls = this.getBaseUrls();
const baseUrl = baseUrls[urlIndex] || baseUrls[0];
const path = stream ? "/v1internal:streamGenerateContent?alt=sse" : "/v1internal:generateContent";
return `${baseUrl}${path}`;
}
buildHeaders(credentials, stream = true) {
return {
"Content-Type": "application/json",
"Authorization": `Bearer ${credentials.accessToken}`,
"User-Agent": this.config.headers?.["User-Agent"] || "antigravity/1.104.0 darwin/arm64",
...(stream && { "Accept": "text/event-stream" })
};
}
transformRequest(model, body, stream, credentials) {
const projectId = credentials?.projectId || this.generateProjectId();
return {
...body,
project: projectId,
model: model,
userAgent: "antigravity",
requestType: "agent",
requestId: `agent-${crypto.randomUUID()}`,
request: {
...body.request,
sessionId: body.request?.sessionId || this.generateSessionId(),
safetySettings: undefined,
toolConfig: body.request?.tools?.length > 0
? { functionCallingConfig: { mode: "VALIDATED" } }
: body.request?.toolConfig
}
};
}
async refreshCredentials(credentials, log) {
if (!credentials.refreshToken) return null;
try {
const response = await fetch(OAUTH_ENDPOINTS.google.token, {
method: "POST",
headers: { "Content-Type": "application/x-www-form-urlencoded", "Accept": "application/json" },
body: new URLSearchParams({
grant_type: "refresh_token",
refresh_token: credentials.refreshToken,
client_id: this.config.clientId,
client_secret: this.config.clientSecret
})
});
if (!response.ok) return null;
const tokens = await response.json();
log?.info?.("TOKEN", "Antigravity refreshed");
return {
accessToken: tokens.access_token,
refreshToken: tokens.refresh_token || credentials.refreshToken,
expiresIn: tokens.expires_in,
projectId: credentials.projectId
};
} catch (error) {
log?.error?.("TOKEN", `Antigravity refresh error: ${error.message}`);
return null;
}
}
generateProjectId() {
const adj = ["useful", "bright", "swift", "calm", "bold"][Math.floor(Math.random() * 5)];
const noun = ["fuze", "wave", "spark", "flow", "core"][Math.floor(Math.random() * 5)];
return `${adj}-${noun}-${crypto.randomUUID().slice(0, 5)}`;
}
generateSessionId() {
return `-${Math.floor(Math.random() * 9_000_000_000_000_000_000)}`;
}
}
export default AntigravityExecutor;