gcloud-sonar-ai/dist/auth.js

A production-ready NPM package that provides a Perplexity Sonar alternative using Google Cloud Vertex AI and Gemini models.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AuthManager = void 0;
const google_auth_library_1 = require("google-auth-library");
class AuthManager {
    constructor(apiKey, projectId) {
        this.apiKey = apiKey;
        if (projectId || process.env.GOOGLE_CLOUD_PROJECT) {
            this.auth = new google_auth_library_1.GoogleAuth({
                scopes: ['https://www.googleapis.com/auth/cloud-platform'],
                projectId: projectId || process.env.GOOGLE_CLOUD_PROJECT,
            });
        }
    }
    async getAuthHeaders() {
        if (this.apiKey) {
            return { 'Authorization': `Bearer ${this.apiKey}` };
        }
        if (this.auth) {
            try {
                const client = await this.auth.getClient();
                const token = await client.getAccessToken();
                if (!token || !token.token) {
                    throw new Error('Failed to obtain access token');
                }
                return { 'Authorization': `Bearer ${token.token}` };
            }
            catch (error) {
                throw new Error(`Authentication failed: ${error instanceof Error ? error.message : 'Unknown error'}`);
            }
        }
        throw new Error('No authentication method available. Provide either apiKey or configure Google Cloud credentials.');
    }
    async validateAuth() {
        try {
            await this.getAuthHeaders();
            return true;
        }
        catch {
            return false;
        }
    }
}
exports.AuthManager = AuthManager;
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