diegosouzapw
84 lines
2.7 KiB
TypeScript
84 lines
2.7 KiB
TypeScript
import { BaseExecutor } from "./base.ts";
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import { PROVIDERS, OAUTH_ENDPOINTS } from "../config/constants.ts";
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export class GeminiCLIExecutor extends BaseExecutor {
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private _currentModel: string = "";
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constructor() {
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super("gemini-cli", PROVIDERS["gemini-cli"]);
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}
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buildUrl(model, stream, urlIndex = 0) {
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const action = stream ? "streamGenerateContent?alt=sse" : "generateContent";
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return `${this.config.baseUrl}:${action}`;
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}
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buildHeaders(credentials, stream = true) {
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return {
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"Content-Type": "application/json",
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Authorization: `Bearer ${credentials.accessToken}`,
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// Fingerprint headers matching native GeminiCLI client (prevents upstream rejection)
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"User-Agent": `GeminiCLI/0.31.0/${this._currentModel || "unknown"} (linux; x64)`,
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"X-Goog-Api-Client": "google-genai-sdk/1.41.0 gl-node/v22.19.0",
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...(stream && { Accept: "text/event-stream" }),
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...(credentials?.projectId && { "x-goog-user-project": credentials.projectId }),
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};
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}
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transformRequest(model, body, stream, credentials) {
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// Capture model so buildHeaders (called after transformRequest) can include it in User-Agent
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this._currentModel = model || "";
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const allowBodyProjectOverride = process.env.OMNIROUTE_ALLOW_BODY_PROJECT_OVERRIDE === "1";
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// Default: prefer OAuth-stored projectId. Incoming body.project can be stale
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// when clients cache older Cloud Code project values.
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// Opt-in escape hatch: set OMNIROUTE_ALLOW_BODY_PROJECT_OVERRIDE=1.
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if (allowBodyProjectOverride && body?.project) {
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return body;
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}
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if (credentials?.projectId) {
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body.project = credentials.projectId;
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}
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return body;
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}
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async refreshCredentials(credentials, log) {
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if (!credentials.refreshToken) return null;
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try {
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const response = await fetch(OAUTH_ENDPOINTS.google.token, {
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method: "POST",
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headers: {
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"Content-Type": "application/x-www-form-urlencoded",
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Accept: "application/json",
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},
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body: new URLSearchParams({
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grant_type: "refresh_token",
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refresh_token: credentials.refreshToken,
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client_id: this.config.clientId,
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client_secret: this.config.clientSecret,
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}),
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});
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if (!response.ok) return null;
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const tokens = await response.json();
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log?.info?.("TOKEN", "Gemini CLI refreshed");
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return {
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accessToken: tokens.access_token,
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refreshToken: tokens.refresh_token || credentials.refreshToken,
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expiresIn: tokens.expires_in,
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projectId: credentials.projectId,
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};
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} catch (error) {
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log?.error?.("TOKEN", `Gemini CLI refresh error: ${error.message}`);
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return null;
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}
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}
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}
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export default GeminiCLIExecutor;
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