a minimal CLI toolkit for working with last.fm scrobbles
feat(cli): add session management and config bootstrapping
+94
-1
+37
cli/bootstrap.ts
+37
cli/bootstrap.ts
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import { type Config, loadConfig, updateConfig } from "~/lib/config.ts";
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import { dim, log } from "~/cli/formatter.ts";
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import { AppError, describe } from "~/lib/errors.ts";
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import { Ok, Result } from "~/lib/result.ts";
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import { ask } from "~/utils/prompt.ts";
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import { italic } from "@std/fmt/colors";
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type BootstrapConfig = Omit<Required<Config>, "password" | "username">;
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export const SECRET_WARNING = italic(dim(
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"\n\nYour Last.fm credentials are used only to authenticate with Last.fm services. " +
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"They are sent directly to Last.fm over a secure connection and are not stored locally after authentication.",
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));
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export async function requireBaseConfig(): Promise<Result<BootstrapConfig, AppError>> {
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const result = await loadConfig();
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if (result.ok && result.value.apiKey && result.value.secret) {
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return Ok(result.value as BootstrapConfig);
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}
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if (!result.ok && result.error.tag !== "not_found") {
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return result;
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}
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log.warn("No API credentials found. Let's set up scrobkit :3\n");
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const apiKey = ask(" What is your Last.fm API key?");
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const sharedSecret = ask(SECRET_WARNING + "\n\n What about your key's shared secret, eh?", true);
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const saved = await updateConfig({ apiKey, secret: sharedSecret });
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if (!saved.ok) {
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return saved;
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}
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return Ok(saved.value as BootstrapConfig);
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}
+14
-1
cli/formatter.ts
+14
-1
cli/formatter.ts
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import { cyan, dim, gray, green, red } from "@std/fmt/colors";
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import { cyan, dim, gray, green, red, yellow } from "@std/fmt/colors";
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export const symbols = {
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retry: gray("\u21bb"),
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success: green("\u2714"),
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forbid: red("\u2298"),
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error: red("\u2716"),
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info: yellow("\u{1f6c8}"),
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} as const;
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export const log = {
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success: (msg: string) => console.log(` ${symbols.success} ${msg}`),
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error: (msg: string) => console.error(`${symbols.error} ${red(msg)}`),
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warn: (msg: string) => console.warn(`${symbols.warn} ${msg}`),
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info: (msg: string) => console.warn(`${symbols.info} ${msg}`),
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forbid: (msg: string) => console.log(`${symbols.forbid} ${cyan(msg)}`),
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};
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export { dim };
+42
cli/session.ts
+42
cli/session.ts
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import { authenticate, verifySession } from "~/api/lastfm.ts";
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import { type Config, updateConfig } from "~/lib/config.ts";
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import { AppError } from "~/lib/errors.ts";
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import { log } from "~/cli/formatter.ts";
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import { ask } from "~/utils/prompt.ts";
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import { Ok, Result } from "~/lib/result.ts";
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import { SECRET_WARNING } from "~/cli/bootstrap.ts";
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type SessionConfig = Omit<Required<Config>, "password">;
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export async function ensureSession(config: Config): Promise<Result<SessionConfig, AppError>> {
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if (config.apiKey && config.secret && config.sessionKey && config.username) {
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const check = await verifySession(config.apiKey, config.secret, config.sessionKey);
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if (check.ok) {
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return Ok(config as SessionConfig);
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}
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log.warn("Session key is invalid or expired. Re-authenticating...");
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}
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const username = ask(" What's your Last.fm username? ");
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const password = ask(SECRET_WARNING + "\n\n What about your account password? ", true);
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log.info("Authenticating...");
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const auth = await authenticate(config.apiKey, config.secret, username, password);
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if (!auth.ok) {
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return auth;
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}
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const updated = await updateConfig({
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username: auth.value.name,
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sessionKey: auth.value.key,
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password: undefined,
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});
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if (!updated.ok) {
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return updated;
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}
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log.success(`Authenticated as ${auth.value.name}`);
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return Ok(updated.value as SessionConfig);
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}