93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
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import { createServer } from "node:http";
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import { appendFileSync, readFileSync, writeFileSync, existsSync } from "node:fs";
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const [clientId, clientSecret] = process.argv.slice(2);
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if (!clientId || !clientSecret) {
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console.error("usage: node scripts/spotify-auth.mjs <CLIENT_ID> <CLIENT_SECRET>");
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process.exit(1);
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}
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const REDIRECT = "http://127.0.0.1:8888/callback";
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const SCOPE = "user-read-currently-playing user-read-recently-played user-top-read";
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const authUrl =
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"https://accounts.spotify.com/authorize?" +
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new URLSearchParams({
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client_id: clientId,
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response_type: "code",
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redirect_uri: REDIRECT,
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scope: SCOPE,
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});
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console.log("\n1. open this in your browser and approve:\n\n" + authUrl + "\n");
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console.log("2. waiting for the redirect on " + REDIRECT + " ...\n");
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const server = createServer(async (req, res) => {
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const url = new URL(req.url, "http://127.0.0.1:8888");
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if (url.pathname !== "/callback") {
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res.writeHead(404).end();
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return;
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}
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const code = url.searchParams.get("code");
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const err = url.searchParams.get("error");
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if (err || !code) {
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res.writeHead(400).end("no code (" + (err || "missing") + ")");
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server.close();
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process.exit(1);
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}
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const tokenRes = await fetch("https://accounts.spotify.com/api/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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Authorization: "Basic " + Buffer.from(`${clientId}:${clientSecret}`).toString("base64"),
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},
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body: new URLSearchParams({
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grant_type: "authorization_code",
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code,
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redirect_uri: REDIRECT,
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}),
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});
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const data = await tokenRes.json();
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if (!data.refresh_token) {
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res.writeHead(500).end("token exchange failed: " + JSON.stringify(data));
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console.error("\ntoken exchange failed:\n", data);
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server.close();
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process.exit(1);
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}
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const block =
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`\nSPOTIFY_CLIENT_ID=${clientId}\n` +
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`SPOTIFY_CLIENT_SECRET=${clientSecret}\n` +
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`SPOTIFY_REFRESH_TOKEN=${data.refresh_token}\n`;
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if (existsSync(".dev.vars")) {
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const cur = readFileSync(".dev.vars", "utf8").replace(/^SPOTIFY_[A-Z_]+=.*$/gm, "").replace(/\n{3,}/g, "\n\n");
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writeFileSync(".dev.vars", cur.trimEnd() + "\n" + block);
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} else {
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appendFileSync(".dev.vars", block);
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}
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res.writeHead(200, { "Content-Type": "text/plain" }).end("done — you can close this tab.");
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console.log("wrote SPOTIFY_CLIENT_ID / SPOTIFY_CLIENT_SECRET / SPOTIFY_REFRESH_TOKEN to .dev.vars\n");
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console.log("for prod, run:");
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console.log(" npx wrangler secret put SPOTIFY_CLIENT_ID");
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console.log(" npx wrangler secret put SPOTIFY_CLIENT_SECRET");
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console.log(" npx wrangler secret put SPOTIFY_REFRESH_TOKEN\n");
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server.close();
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process.exit(0);
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});
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server.listen(8888, "127.0.0.1");
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