Add SHSF-backed contact form #1
6
.shsf.json
Normal file
6
.shsf.json
Normal file
@@ -0,0 +1,6 @@
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{
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"default": {
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"id": "89",
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"from": "shsf/contact-api"
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}
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}
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180
shsf/contact-api/main.py
Normal file
180
shsf/contact-api/main.py
Normal file
@@ -0,0 +1,180 @@
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import json
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import os
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import re
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import time
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import uuid
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from _db_com import database
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RATE_LIMIT_FILE = "/app/ratelimit.json"
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RATE_LIMIT_WINDOW_SECONDS = 60 * 60
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RATE_LIMIT_MAX_REQUESTS = 5
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ALLOWED_ORIGINS = {
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"https://luna.reversed.dev",
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"http://localhost:5173",
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"http://localhost:4173",
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}
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EMAIL_RE = re.compile(r"^[^\s@]+@[^\s@]+\.[^\s@]+$")
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def _cors_headers(origin=""):
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allowed_origin = origin if origin in ALLOWED_ORIGINS else "https://luna.reversed.dev"
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return {
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"Access-Control-Allow-Origin": allowed_origin,
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"Access-Control-Allow-Methods": "POST, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type",
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"Access-Control-Max-Age": "86400",
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"Vary": "Origin",
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"Content-Type": "application/json",
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}
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def _response(origin, status_code, payload):
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return {
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"_shsf": "v2",
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"_code": status_code,
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"_headers": _cors_headers(origin),
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"_res": payload,
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}
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def _load_rate_limits():
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if not os.path.exists(RATE_LIMIT_FILE):
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return {}
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try:
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with open(RATE_LIMIT_FILE, "r", encoding="utf-8") as file:
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data = json.load(file)
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return data if isinstance(data, dict) else {}
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except (OSError, json.JSONDecodeError):
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return {}
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def _save_rate_limits(rate_limits):
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os.makedirs(os.path.dirname(RATE_LIMIT_FILE), exist_ok=True)
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temp_path = f"{RATE_LIMIT_FILE}.tmp"
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with open(temp_path, "w", encoding="utf-8") as file:
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json.dump(rate_limits, file)
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os.replace(temp_path, RATE_LIMIT_FILE)
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def _extract_ip(args):
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headers = args.get("headers", {}) or {}
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forwarded = headers.get("x-forwarded-for", "")
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if forwarded:
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return forwarded.split(",")[0].strip()
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for header in ("cf-connecting-ip", "x-real-ip"):
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value = headers.get(header, "").strip()
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if value:
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return value
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return "unknown"
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def _validate_payload(payload):
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username = str(payload.get("username", "")).strip()
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email = str(payload.get("email", "")).strip()
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message = str(payload.get("message", "")).strip()
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if len(username) < 2 or len(username) > 80:
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return None, "Username must be between 2 and 80 characters."
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if len(email) < 3 or len(email) > 200 or not EMAIL_RE.match(email):
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return None, "Please provide a valid email address."
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if len(message) < 10 or len(message) > 5000:
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return None, "Message must be between 10 and 5000 characters."
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return {
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"username": username,
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"email": email,
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"message": message,
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}, None
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def _check_rate_limit(ip_address, now):
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rate_limits = _load_rate_limits()
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fresh_after = now - RATE_LIMIT_WINDOW_SECONDS
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cleaned = {
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ip: timestamps
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for ip, timestamps in rate_limits.items()
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if isinstance(timestamps, list)
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for timestamps in [[ts for ts in timestamps if isinstance(ts, (int, float)) and ts >= fresh_after]]
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if timestamps
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}
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ip_timestamps = cleaned.get(ip_address, [])
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if len(ip_timestamps) >= RATE_LIMIT_MAX_REQUESTS:
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retry_after = max(1, int(RATE_LIMIT_WINDOW_SECONDS - (now - ip_timestamps[0])))
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_save_rate_limits(cleaned)
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return False, retry_after
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ip_timestamps.append(now)
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cleaned[ip_address] = ip_timestamps
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_save_rate_limits(cleaned)
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return True, None
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def main(args):
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origin = (args.get("headers", {}) or {}).get("origin", "")
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method = str(args.get("method", "POST")).upper()
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if method == "OPTIONS":
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return _response(origin, 204, "")
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if method != "POST":
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return _response(origin, 405, {"ok": False, "error": "Method not allowed."})
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raw_body = args.get("body", "{}")
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try:
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payload = raw_body if isinstance(raw_body, dict) else json.loads(raw_body)
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if not isinstance(payload, dict):
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raise ValueError("JSON body must be an object")
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except (TypeError, json.JSONDecodeError, ValueError):
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return _response(origin, 400, {"ok": False, "error": "Invalid JSON payload."})
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if not payload and all(key in args for key in ("username", "email", "message")):
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payload = {
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"username": args.get("username", ""),
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"email": args.get("email", ""),
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"message": args.get("message", ""),
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}
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valid_payload, error_message = _validate_payload(payload)
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if error_message:
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return _response(origin, 400, {"ok": False, "error": error_message})
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ip_address = _extract_ip(args)
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now = int(time.time())
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allowed, retry_after = _check_rate_limit(ip_address, now)
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if not allowed:
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return {
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"_shsf": "v2",
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"_code": 429,
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"_headers": {
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**_cors_headers(origin),
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"Retry-After": str(retry_after),
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},
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"_res": {
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"ok": False,
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"error": "Too many messages from this IP. Please try again later.",
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},
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}
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db = database()
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try:
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db.create_storage("portfolio_contact_messages", purpose="Portfolio contact form submissions")
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except Exception:
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pass
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submission_id = f"message_{int(time.time() * 1000)}_{uuid.uuid4().hex[:8]}"
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record = {
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"id": submission_id,
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"username": valid_payload["username"],
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"email": valid_payload["email"],
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"message": valid_payload["message"],
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"ip": ip_address,
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"user_agent": (args.get("headers", {}) or {}).get("user-agent", ""),
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"created_at": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime(now)),
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}
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db.set("portfolio_contact_messages", submission_id, json.dumps(record))
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return _response(origin, 201, {"ok": True, "message": "Message received.", "id": submission_id})
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1
shsf/contact-api/requirements.txt
Normal file
1
shsf/contact-api/requirements.txt
Normal file
@@ -0,0 +1 @@
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requests==2.31.0
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@@ -1,14 +1,69 @@
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import { useState } from 'react';
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import { SectionWrapper } from '../components/SectionWrapper';
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const CONTACT_API_URL = import.meta.env.VITE_CONTACT_API_URL || 'https://shsf-api.reversed.dev/api/exec/17/89/default';
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const socialLinks = [
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{ name: 'Email', url: 'mailto:space@reversed.dev', icon: '📧', desc: 'space@reversed.dev' },
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{ name: 'GitHub / Gitea', url: 'https://gitea.reversed.dev/luna', icon: '⌨️', desc: 'gitea.reversed.dev/luna' },
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];
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const initialForm = {
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username: '',
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email: '',
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message: '',
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};
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export function Contact() {
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const [form, setForm] = useState(initialForm);
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const [status, setStatus] = useState({ type: '', message: '' });
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const [isSubmitting, setIsSubmitting] = useState(false);
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const handleChange = (event) => {
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const { name, value } = event.target;
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setForm((current) => ({ ...current, [name]: value }));
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};
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const handleSubmit = async (event) => {
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event.preventDefault();
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setIsSubmitting(true);
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setStatus({ type: '', message: '' });
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try {
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const response = await fetch(CONTACT_API_URL, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(form),
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});
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const data = await response.json().catch(() => ({}));
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const payload = data?._res && typeof data._res === 'object' ? data._res : data;
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if (!response.ok) {
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throw new Error(payload?.error || payload?.message || 'Something went wrong while sending the message.');
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}
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setStatus({
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type: 'success',
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message: payload?.message || 'Message received. A reply might take a bit, but it made it through.',
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});
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setForm(initialForm);
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} catch (error) {
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setStatus({
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type: 'error',
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message: error.message || 'Something went wrong while sending the message.',
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});
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} finally {
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setIsSubmitting(false);
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}
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};
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return (
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<section id="contact" className="py-24 px-4 bg-darker">
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<div className="max-w-4xl mx-auto">
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<div className="max-w-5xl mx-auto">
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<SectionWrapper>
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<div className="text-center mb-16">
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<h2 className="text-4xl font-bold mb-4">
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@@ -17,23 +72,112 @@ export function Contact() {
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</span>
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</h2>
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<p className="text-slate-400 max-w-2xl mx-auto">
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Want to reach me? Here's how.
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Send a message directly from the site, or use one of the links below.
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</p>
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</div>
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</SectionWrapper>
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<div className="grid gap-8 lg:grid-cols-[1.15fr_0.85fr] items-start">
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<SectionWrapper delay={100}>
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<div className="max-w-lg mx-auto space-y-4">
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{/* Allowlist notice */}
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<div className="bg-dark border border-slate-800 rounded-2xl p-6 md:p-8 shadow-xl shadow-black/20">
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<div className="mb-6">
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<h3 className="text-2xl font-semibold text-slate-100 mb-2">Contact form</h3>
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<p className="text-slate-400 text-sm">
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Messages go straight into the inbox backend. No weird third-party form service nonsense.
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</p>
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</div>
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<form onSubmit={handleSubmit} className="space-y-4">
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<div>
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<label htmlFor="username" className="block text-sm font-medium text-slate-300 mb-2">
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Name
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</label>
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<input
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id="username"
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name="username"
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type="text"
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value={form.username}
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onChange={handleChange}
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minLength={2}
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maxLength={80}
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required
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className="w-full rounded-xl border border-slate-700 bg-darker px-4 py-3 text-slate-100 placeholder:text-slate-500 focus:border-primary focus:outline-none"
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placeholder="What should this site call you?"
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/>
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</div>
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<div>
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<label htmlFor="email" className="block text-sm font-medium text-slate-300 mb-2">
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Email
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</label>
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<input
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id="email"
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name="email"
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type="email"
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value={form.email}
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onChange={handleChange}
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maxLength={200}
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required
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className="w-full rounded-xl border border-slate-700 bg-darker px-4 py-3 text-slate-100 placeholder:text-slate-500 focus:border-primary focus:outline-none"
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placeholder="name@example.com"
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/>
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</div>
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<div>
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<label htmlFor="message" className="block text-sm font-medium text-slate-300 mb-2">
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Message
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</label>
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<textarea
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id="message"
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name="message"
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value={form.message}
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onChange={handleChange}
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minLength={10}
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maxLength={5000}
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required
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rows={6}
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className="w-full rounded-xl border border-slate-700 bg-darker px-4 py-3 text-slate-100 placeholder:text-slate-500 focus:border-primary focus:outline-none resize-y"
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placeholder="Say something good. Or interesting. Ideally both."
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/>
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</div>
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{status.message ? (
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<div
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className={`rounded-xl border px-4 py-3 text-sm ${
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status.type === 'success'
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? 'border-emerald-500/30 bg-emerald-500/10 text-emerald-300'
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: 'border-rose-500/30 bg-rose-500/10 text-rose-300'
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}`}
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>
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{status.message}
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</div>
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) : null}
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<div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
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<p className="text-xs text-slate-500 max-w-sm">
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Rate limited per IP to keep spam bots from being annoying.
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</p>
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<button
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type="submit"
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disabled={isSubmitting}
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className="inline-flex items-center justify-center rounded-xl bg-gradient-to-r from-primary to-secondary px-5 py-3 font-medium text-white transition-opacity hover:opacity-90 disabled:cursor-not-allowed disabled:opacity-60"
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>
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{isSubmitting ? 'Sending...' : 'Send message'}
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</button>
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</div>
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</form>
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</div>
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</SectionWrapper>
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<SectionWrapper delay={200}>
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<div className="space-y-4">
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<div className="p-4 bg-dark rounded-lg border border-amber-500/30 mb-6">
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<div className="flex items-start gap-3">
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<span className="text-2xl">⚠️</span>
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<div>
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<div className="font-medium text-amber-400 mb-1">Email Allowlist</div>
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<p className="text-sm text-slate-400">
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I only receive emails from approved senders. To contact me, email{' '}
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<span className="text-slate-300">space@reversed.dev</span> and ask
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him to add you to my allowlist.
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Direct email is still allowlisted. The form is the easier route if that whole dance is annoying.
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</p>
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</div>
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</div>
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@@ -59,6 +203,7 @@ export function Contact() {
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</div>
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</SectionWrapper>
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</div>
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</div>
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</section>
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);
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}
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Reference in New Issue
Block a user