27 lines
918 B
PHP

<?php
require "db.php";
$a = $_GET['action'] ?? '';
$b = body();
if ($a==="register") {
$u = trim($b["username"]??"");
$p = trim($b["password"]??"");
if ($u==""||$p=="") out(false,"username/password required",[],400);
$st=db()->prepare("SELECT 1 FROM users WHERE username=?");
$st->execute([$u]);
if ($st->fetch()) out(false,"exists",[],409);
$hash=password_hash($p,PASSWORD_DEFAULT);
db()->prepare("INSERT INTO users(username,pass_hash) VALUES(?,?)")->execute([$u,$hash]);
out(true,"registered",["user_id"=>db()->lastInsertId()]);
}
if ($a==="login") {
$u = trim($b["username"]??"");
$p = trim($b["password"]??"");
$st=db()->prepare("SELECT * FROM users WHERE username=?");
$st->execute([$u]);
$r=$st->fetch();
if(!$r || !password_verify($p,$r["pass_hash"])) out(false,"invalid",[],401);
out(true,"ok",["user_id"=>$r["user_id"],"username"=>$u]);
}
out(false,"unknown action",[],404);