martbost
52 lines
2.9 KiB
JavaScript
52 lines
2.9 KiB
JavaScript
// sendy.js — silent newsletter opt-in via Sendy.
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// API key from SENDY_API_KEY env, else DATA_DIR/sendy.key on the volume (same
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// pattern as sendgrid.key). URL + list have safe non-secret defaults (the
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// hashed list id is public — it appears in Sendy's own subscribe-form HTML).
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// subscribe() is fire-and-forget and never throws: a Sendy hiccup must never
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// break signup. boolean=true = silent (no confirmation email); Sendy itself
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// refuses unsubscribed/bounced addresses, so opt-out always wins.
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const https = require('https');
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const fs = require('fs');
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const path = require('path');
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const DATA_DIR = process.env.DATA_DIR || path.join(__dirname, 'data');
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const URL_BASE = (process.env.SENDY_URL || 'https://valuedreply.xyz').replace(/\/+$/, '');
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const LIST = process.env.SENDY_LIST || 'W892hm1pgk3pIiK7OBYfHTWw'; // LinkSpin Newsletter (brand 3)
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function apiKey() {
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if (process.env.SENDY_API_KEY) return process.env.SENDY_API_KEY.trim();
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try { return fs.readFileSync(path.join(DATA_DIR, 'sendy.key'), 'utf8').trim(); } catch (e) { return ''; }
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}
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function enabled() { return !!apiKey(); }
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function subscribe(email, name) {
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const key = apiKey();
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const e = String(email || '').trim();
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if (!key || !e) return Promise.resolve(false);
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const body = new URLSearchParams({ api_key: key, list: LIST, email: e, name: String(name || ''), boolean: 'true' }).toString();
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const u = new URL(URL_BASE + '/subscribe');
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return new Promise(resolve => {
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const req = https.request({ hostname: u.hostname, path: u.pathname, method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Content-Length': Buffer.byteLength(body) }, timeout: 10000 },
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res => { let d = ''; res.on('data', c => d += c); res.on('end', () => resolve(/^(1|true|already)/i.test(d.trim()))); });
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req.on('error', () => resolve(false));
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req.on('timeout', () => { req.destroy(); resolve(false); });
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req.end(body);
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});
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}
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// 'Subscribed' | 'Unsubscribed' | 'Unconfirmed' | 'Bounced' | 'Soft bounced' | 'Complained' | 'Email does not exist in list' | '' (no key / unreachable)
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function status(email) {
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const key = apiKey(); const e = String(email || '').trim();
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if (!key || !e) return Promise.resolve('');
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const body = new URLSearchParams({ api_key: key, email: e, list_id: LIST }).toString();
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const u = new URL(URL_BASE + '/api/subscribers/subscription-status.php');
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return new Promise(resolve => {
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const req = https.request({ hostname: u.hostname, path: u.pathname, method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Content-Length': Buffer.byteLength(body) }, timeout: 10000 },
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res => { let d = ''; res.on('data', c => d += c); res.on('end', () => resolve(d.trim().slice(0, 60))); });
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req.on('error', () => resolve('')); req.on('timeout', () => { req.destroy(); resolve(''); }); req.end(body);
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});
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}
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module.exports = { subscribe, enabled, status };
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