From e73b4f7e34496b9a0e627664ae1595fdc012499a Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Wed, 22 Jul 2026 12:22:30 -0500 Subject: [PATCH] Add optional message field to /submit for iOS review intercept - /submit now requires email OR message (email-only calls unchanged) - message trimmed + capped at 10k chars; stored via guarded ALTER TABLE migration - /export CSV gains message column with proper quoting/escaping - test suite (node --test): 9 tests covering compat, validation, truncation, CSV escaping Ticket: T2 of review-flow-10x epic (chatai-ios#136) Co-Authored-By: Claude Fable 5 Claude-Session: https://claude.ai/code/session_014WPnLnXS4YRz9vVt1BEdeR --- README.md | 9 +- index.js | 43 ++- package-lock.json | 865 ++++++++++++++++++++++++++++++++++++++++++++ package.json | 3 +- test/submit.test.js | 127 +++++++ 5 files changed, 1033 insertions(+), 14 deletions(-) create mode 100644 package-lock.json create mode 100644 test/submit.test.js diff --git a/README.md b/README.md index b5c1541..78aac32 100644 --- a/README.md +++ b/README.md @@ -31,12 +31,15 @@ POST /submit Content-Type: application/json { - "email": "user@example.com", - "form_name": "newsletter", # optional, default: "default" - "source": "homepage" # optional + "email": "user@example.com", # optional if message present + "form_name": "newsletter", # optional, default: "default" + "source": "homepage", # optional + "message": "free-text..." # optional, max 10k chars; required if email absent } ``` +Either `email` or `message` is required. Message-only submissions (e.g. `form_name: "review_intercept"` from the iOS negative-review intercept) store an empty email. + ### List Submissions (protected) ```bash GET /emails?form_name=newsletter&limit=100&offset=0 diff --git a/index.js b/index.js index 26df8fb..ee0e73b 100644 --- a/index.js +++ b/index.js @@ -54,6 +54,15 @@ async function initDb() { db.run(`CREATE INDEX IF NOT EXISTS idx_form_name ON submissions(form_name)`); db.run(`CREATE INDEX IF NOT EXISTS idx_email ON submissions(email)`); + // Migration: add message column for free-text submissions (e.g. review intercept) + const columns = []; + const pragma = db.prepare(`PRAGMA table_info(submissions)`); + while (pragma.step()) columns.push(pragma.getAsObject().name); + pragma.free(); + if (!columns.includes('message')) { + db.run(`ALTER TABLE submissions ADD COLUMN message TEXT`); + } + saveDb(); // Auto-save every 30 seconds @@ -84,22 +93,30 @@ app.get('/health', (req, res) => { app.post('/submit', (req, res) => { try { const { email, form_name = 'default', source = null } = req.body; + let { message = null } = req.body; - if (!email) { - return res.status(400).json({ error: 'Email is required' }); + if (message != null) { + message = String(message).trim().slice(0, 10000) || null; } - const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/; - if (!emailRegex.test(email)) { - return res.status(400).json({ error: 'Invalid email format' }); + // Either a valid email or a free-text message is required + if (!email && !message) { + return res.status(400).json({ error: 'Email or message is required' }); + } + + if (email) { + const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/; + if (!emailRegex.test(email)) { + return res.status(400).json({ error: 'Invalid email format' }); + } } const ip = req.headers['x-forwarded-for'] || req.socket.remoteAddress; const userAgent = req.headers['user-agent'] || null; db.run( - `INSERT INTO submissions (form_name, email, source, ip, user_agent, created_at) VALUES (?, ?, ?, ?, ?, datetime('now'))`, - [form_name, email.toLowerCase().trim(), source, ip, userAgent] + `INSERT INTO submissions (form_name, email, source, ip, user_agent, message, created_at) VALUES (?, ?, ?, ?, ?, ?, datetime('now'))`, + [form_name, email ? email.toLowerCase().trim() : '', source, ip, userAgent, message] ); saveDb(); @@ -166,7 +183,7 @@ app.get('/export', requireAuth, (req, res) => { try { const { form_name } = req.query; - let query = 'SELECT email, form_name, source, created_at FROM submissions'; + let query = 'SELECT email, form_name, source, message, created_at FROM submissions'; if (form_name) query += ' WHERE form_name = ?'; query += ' ORDER BY created_at DESC'; @@ -179,9 +196,15 @@ app.get('/export', requireAuth, (req, res) => { } stmt.free(); + // Quote fields that may contain commas, quotes, or newlines + const csvEscape = (v) => { + const s = v == null ? '' : String(v); + return /[",\n\r]/.test(s) ? `"${s.replace(/"/g, '""')}"` : s; + }; + const csv = [ - 'email,form_name,source,created_at', - ...rows.map(s => `${s.email},${s.form_name},${s.source || ''},${s.created_at}`) + 'email,form_name,source,message,created_at', + ...rows.map(s => [s.email, s.form_name, s.source, s.message, s.created_at].map(csvEscape).join(',')) ].join('\n'); res.setHeader('Content-Type', 'text/csv'); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..780e27b --- /dev/null +++ b/package-lock.json @@ -0,0 +1,865 @@ +{ + "name": "form-capture", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "form-capture", + "version": "1.0.0", + "dependencies": { + "cors": "^2.8.5", + "express": "^4.21.2", + "sql.js": "^1.11.0" + }, + "engines": { + "node": ">=18" + } + }, + "node_modules/accepts": { + "version": "1.3.8", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", 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}, + "node_modules/vary": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", + "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + } + } +} diff --git a/package.json b/package.json index c8c8c41..88f7448 100644 --- a/package.json +++ b/package.json @@ -4,7 +4,8 @@ "description": "Lightweight form capture microservice", "main": "index.js", "scripts": { - "start": "node index.js" + "start": "node index.js", + "test": "node --test" }, "dependencies": { "sql.js": "^1.11.0", diff --git a/test/submit.test.js b/test/submit.test.js new file mode 100644 index 0000000..0dab5a3 --- /dev/null +++ b/test/submit.test.js @@ -0,0 +1,127 @@ +const { test, before, after } = require('node:test'); +const assert = require('node:assert'); +const { spawn } = require('node:child_process'); +const fs = require('node:fs'); +const os = require('node:os'); +const path = require('node:path'); + +const PORT = 3999; +const BASE = `http://127.0.0.1:${PORT}`; +const API_KEY = 'test-key'; +let server; +let dataDir; + +before(async () => { + dataDir = fs.mkdtempSync(path.join(os.tmpdir(), 'form-capture-test-')); + server = spawn('node', [path.join(__dirname, '..', 'index.js')], { + env: { ...process.env, PORT: String(PORT), DATA_DIR: dataDir, API_KEY }, + stdio: 'ignore', + }); + // Wait for the server to come up + for (let i = 0; i < 50; i++) { + try { + const res = await fetch(`${BASE}/health`); + if (res.ok) return; + } catch {} + await new Promise(r => setTimeout(r, 100)); + } + throw new Error('server did not start'); +}); + +after(() => { + server.kill(); + fs.rmSync(dataDir, { recursive: true, force: true }); +}); + +test('email-only submission still works (backward compat)', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ email: 'a@b.com', form_name: 'newsletter' }), + }); + assert.strictEqual(res.status, 200); + assert.strictEqual((await res.json()).success, true); +}); + +test('message-only submission works (review intercept)', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ message: 'The app crashed, twice', form_name: 'review_intercept', source: 'ios' }), + }); + assert.strictEqual(res.status, 200); +}); + +test('message + reply email submission works', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ email: 'reply@me.com', message: 'line1\nline2, "quoted"', form_name: 'review_intercept' }), + }); + assert.strictEqual(res.status, 200); +}); + +test('empty body is rejected', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ form_name: 'review_intercept' }), + }); + assert.strictEqual(res.status, 400); + assert.match((await res.json()).error, /Email or message/); +}); + +test('whitespace-only message is rejected', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ message: ' ' }), + }); + assert.strictEqual(res.status, 400); +}); + +test('invalid email is still rejected even with message', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ email: 'not-an-email', message: 'hello' }), + }); + assert.strictEqual(res.status, 400); +}); + +test('message longer than 10k chars is truncated, not rejected', async () => { + const res = await fetch(`${BASE}/submit`, { + method: 'POST', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ message: 'x'.repeat(20000), form_name: 'review_intercept' }), + }); + assert.strictEqual(res.status, 200); + const list = await (await fetch(`${BASE}/emails?form_name=review_intercept&limit=100`, { + headers: { Authorization: `Bearer ${API_KEY}` }, + })).json(); + const long = list.submissions.find(s => s.message && s.message.startsWith('xxx')); + assert.ok(long, 'truncated submission should be listed'); + assert.strictEqual(long.message.length, 10000); +}); + +test('/emails returns message field', async () => { + const res = await fetch(`${BASE}/emails?form_name=review_intercept`, { + headers: { Authorization: `Bearer ${API_KEY}` }, + }); + assert.strictEqual(res.status, 200); + const body = await res.json(); + const withMsg = body.submissions.find(s => s.message === 'The app crashed, twice'); + assert.ok(withMsg, 'message should round-trip through /emails'); + assert.strictEqual(withMsg.email, ''); +}); + +test('/export CSV includes and escapes message', async () => { + const res = await fetch(`${BASE}/export?form_name=review_intercept`, { + headers: { Authorization: `Bearer ${API_KEY}` }, + }); + assert.strictEqual(res.status, 200); + const csv = await res.text(); + assert.match(csv.split('\n')[0], /^email,form_name,source,message,created_at$/); + // Multi-line + quoted message must be wrapped and quote-doubled + assert.ok(csv.includes('"line1\nline2, ""quoted"""'), 'CSV should escape newlines, commas, quotes'); +});