93 lines
2.8 KiB
TypeScript
93 lines
2.8 KiB
TypeScript
import { google } from "googleapis";
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import fs from "fs";
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import path from "path";
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import readline from "readline";
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const __dirname = path.dirname(new URL(import.meta.url).pathname);
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const PROJECT_ROOT = path.resolve(__dirname, "..");
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const CREDENTIALS_PATH = path.join(PROJECT_ROOT, "credentials.json");
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const TOKEN_PATH = path.join(PROJECT_ROOT, "token.json");
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// Gmail modify scope: read, send, delete, and manage labels
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const SCOPES = ["https://www.googleapis.com/auth/gmail.modify"];
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async function authorize(): Promise<void> {
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if (!fs.existsSync(CREDENTIALS_PATH)) {
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console.error(
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`Missing ${CREDENTIALS_PATH}\n\n` +
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"To create this file:\n" +
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"1. Go to https://console.cloud.google.com/\n" +
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"2. Create a project and enable the Gmail API\n" +
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"3. Create OAuth 2.0 credentials (Desktop app type)\n" +
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"4. Download the JSON and save it as credentials.json in the project root\n"
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);
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process.exit(1);
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}
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const credentials = JSON.parse(fs.readFileSync(CREDENTIALS_PATH, "utf-8"));
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const { client_id, client_secret, redirect_uris } =
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credentials.installed || credentials.web;
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const oAuth2Client = new google.auth.OAuth2(
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client_id,
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client_secret,
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redirect_uris[0]
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);
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// Check if we already have a valid token
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if (fs.existsSync(TOKEN_PATH)) {
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const token = JSON.parse(fs.readFileSync(TOKEN_PATH, "utf-8"));
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oAuth2Client.setCredentials(token);
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console.log("Token already exists at:", TOKEN_PATH);
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console.log("To re-authorize, delete token.json and run this script again.");
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return;
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}
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// Generate auth URL and prompt user
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const authUrl = oAuth2Client.generateAuthUrl({
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access_type: "offline",
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scope: SCOPES,
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prompt: "consent",
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});
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console.log("Authorize this app by visiting this URL:\n");
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console.log(authUrl);
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console.log();
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout,
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});
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const rawInput = await new Promise<string>((resolve) => {
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rl.question(
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"Paste the FULL URL from your browser address bar (or just the code): ",
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(answer) => {
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rl.close();
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resolve(answer.trim());
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}
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);
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});
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// Extract the code whether they pasted the full URL or just the code
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let code = rawInput;
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if (rawInput.includes("code=")) {
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const url = new URL(rawInput);
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code = url.searchParams.get("code") ?? rawInput;
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}
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console.log(`\nExtracted code: ${code.substring(0, 10)}...`);
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const { tokens } = await oAuth2Client.getToken(code);
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oAuth2Client.setCredentials(tokens);
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fs.writeFileSync(TOKEN_PATH, JSON.stringify(tokens, null, 2));
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console.log("\nToken saved to:", TOKEN_PATH);
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console.log("You can now start the MCP server.");
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}
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authorize().catch((err) => {
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console.error("Authorization failed:", err);
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process.exit(1);
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});
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