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helpers.php
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1752 lines (1525 loc) · 62.6 KB
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<?php
// Start output buffering early so redirects/session cookies can be set even if templates echo later.
if (PHP_SAPI !== 'cli' && ob_get_level() === 0) {
@ob_start();
}
// helpers.php
// -----------------------------------------------------------------------------
// Install guard: if the app isn't configured yet, redirect to /install.
// (Some public pages do not touch db.php, so we guard here too.)
// Define IPTV_NO_INSTALL_GUARD before requiring helpers.php to bypass.
// -----------------------------------------------------------------------------
if (!defined('IPTV_NO_INSTALL_GUARD') && PHP_SAPI !== 'cli') {
$path = parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH) ?: '';
$lock = __DIR__ . '/install/installed.lock';
$installed = false;
// Primary: installer lock
if (is_file($lock)) $installed = true;
// Back-compat: old local override file
if (!$installed && is_file(__DIR__ . '/config.local.php')) $installed = true;
// Fallback: config.php has non-empty DB name + user
if (!$installed && is_file(__DIR__ . '/config.php')) {
try {
$cfg = require __DIR__ . '/config.php';
if (is_array($cfg) && !empty($cfg['db']['name']) && !empty($cfg['db']['user'])) {
$installed = true;
}
} catch (Throwable $e) {
// ignore
}
}
if (!$installed && !str_starts_with($path, '/install')) {
// Redirect to installer using the current app base path (supports subfolder installs).
$script = $_SERVER['SCRIPT_NAME'] ?? '/index.php';
// Normalize Windows-style backslashes to forward slashes.
$base = rtrim(str_replace('\\', '/', dirname($script)), '/');
$dest = ($base ? $base : '') . '/install/';
header('Location: ' . $dest);
exit;
}
}
function e($str) {
return htmlspecialchars((string)$str, ENT_QUOTES, 'UTF-8');
}
function flash_set($msg, $type='info') {
if (session_status() !== PHP_SESSION_ACTIVE) session_start();
$_SESSION['flash'] = ['msg'=>$msg, 'type'=>$type];
}
function flash_show() {
if (session_status() !== PHP_SESSION_ACTIVE) session_start();
// Bootstrap-style Toasts (lightweight, no Bootstrap dependency)
static $toast_inited = false;
if (!$toast_inited) {
$toast_inited = true;
echo <<<HTML
<div id="iptvToastHost" class="iptv-toast-host" aria-live="polite" aria-atomic="true"></div>
<style>
/* --- IPTV Toasts (scoped, theme-aware) --- */
#iptvToastHost.iptv-toast-host{
position:fixed;
top: max(14px, env(safe-area-inset-top));
right: max(14px, env(safe-area-inset-right));
z-index:99999;
display:flex;
flex-direction:column;
align-items:flex-end;
gap:10px;
pointer-events:none;
max-width: min(92vw, 460px);
background: transparent !important;
border: 0 !important;
padding: 0 !important;
margin: 0 !important;
box-shadow: none !important;
}
#iptvToastHost.iptv-toast-host:empty{ display:none !important; }
#iptvToastHost .iptv-toast{
pointer-events:auto;
width: min(440px, 92vw);
border-radius: 14px;
border: 1px solid var(--line, rgba(255,255,255,.14));
background: var(--card, rgba(13,15,20,.98));
color: var(--text, #e6f1ff);
box-shadow: var(--shadow, 0 14px 38px rgba(0,0,0,.55));
overflow: hidden;
opacity: 0;
transform: translate3d(10px,-4px,0);
transition: opacity .18s ease, transform .18s ease;
}
#iptvToastHost .iptv-toast.show{ opacity:1; transform: translate3d(0,0,0); }
#iptvToastHost .iptv-toast .inner{
display:flex;
align-items:flex-start;
gap:10px;
padding: 12px 12px;
}
#iptvToastHost .iptv-toast .icon{
width:20px; height:20px;
flex:0 0 20px;
margin-top:2px;
color: var(--toast-accent, #60a5fa);
}
#iptvToastHost .iptv-toast .content{ flex:1; min-width:0; }
#iptvToastHost .iptv-toast .title{
font-size:12px;
font-weight:850;
letter-spacing:.02em;
margin:0 0 2px 0;
}
#iptvToastHost .iptv-toast .msg{
font-size:13px;
line-height:1.35;
color: var(--muted, rgba(230,241,255,.78));
white-space: pre-wrap;
word-break: break-word;
}
#iptvToastHost .iptv-toast .close{
appearance:none;
border:0;
background:transparent;
color: var(--muted, rgba(230,241,255,.75));
width:30px; height:30px;
border-radius: 10px;
display:grid; place-items:center;
cursor:pointer;
margin-left:4px;
}
#iptvToastHost .iptv-toast .close:hover{
background: rgba(0,0,0,.06);
color: var(--text, #e6f1ff);
}
#iptvToastHost .iptv-toast .progress{
height: 3px;
width: 100%;
background: var(--toast-accent, #60a5fa);
opacity: .9;
transform-origin: left;
transform: scaleX(1);
}
#iptvToastHost .iptv-toast.success{ --toast-accent: var(--green, #22c55e); }
#iptvToastHost .iptv-toast.info{ --toast-accent: var(--blue, #60a5fa); }
#iptvToastHost .iptv-toast.warning{ --toast-accent: var(--orange,#f59e0b); }
#iptvToastHost .iptv-toast.danger{ --toast-accent: var(--red, #ef4444); }
@media (prefers-reduced-motion: reduce){
#iptvToastHost .iptv-toast{ transition:none; transform:none; }
#iptvToastHost .iptv-toast.show{ transform:none; }
#iptvToastHost .iptv-toast .progress{ transition:none !important; }
}
/* --- end toasts --- */
</style>
<script>
(function(){
if (window.IPTVToast) return;
function host(){
var h = document.getElementById('iptvToastHost');
if(!h){
h = document.createElement('div');
h.id = 'iptvToastHost';
h.className = 'iptv-toast-host';
document.body.appendChild(h);
}
return h;
}
function normType(t){
t = (t || 'info').toString().toLowerCase();
if (t === 'error') return 'danger';
if (t === 'warn') return 'warning';
if (t === 'ok') return 'success';
if (t === 'primary' || t === 'secondary') return 'info';
if (['success','info','warning','danger'].indexOf(t) !== -1) return t;
return 'info';
}
function defaultTitle(type){
if (type === 'success') return 'Success';
if (type === 'warning') return 'Warning';
if (type === 'danger') return 'Error';
return 'Notice';
}
function iconSvg(type){
// Simple, crisp, no external deps.
if (type === 'success'){
return '<svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M22 11.1v.9a10 10 0 1 1-5.93-9.14"/><path d="M22 4 12 14.01l-3-3"/></svg>';
}
if (type === 'warning'){
return '<svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M10.3 3.3 1.7 18a2 2 0 0 0 1.7 3h17.2a2 2 0 0 0 1.7-3L13.7 3.3a2 2 0 0 0-3.4 0Z"/><path d="M12 9v4"/><path d="M12 17h.01"/></svg>';
}
if (type === 'danger'){
return '<svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="10"/><path d="M15 9l-6 6"/><path d="M9 9l6 6"/></svg>';
}
return '<svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="10"/><path d="M12 16v-4"/><path d="M12 8h.01"/></svg>';
}
function toast(type, message, opts){
type = normType(type);
message = (message == null) ? '' : String(message);
opts = opts || {};
var total = Number(opts.delay || 4200);
if (!isFinite(total) || total < 800) total = 4200;
var ttl = (opts.title === false) ? '' : String(opts.title || defaultTitle(type));
var max = Number(opts.max || 6);
if (!isFinite(max) || max < 1) max = 6;
var el = document.createElement('div');
el.className = 'iptv-toast ' + type;
el.setAttribute('role','alert');
el.setAttribute('aria-live','assertive');
el.setAttribute('aria-atomic','true');
el.innerHTML =
'<div class="inner">' +
'<div class="icon" aria-hidden="true">' + iconSvg(type) + '</div>' +
'<div class="content">' +
'<div class="title"></div>' +
'<div class="msg"></div>' +
'</div>' +
'<button class="close" type="button" aria-label="Close">' +
'<svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M18 6 6 18"/><path d="M6 6l12 12"/></svg>' +
'</button>' +
'</div>' +
'<div class="progress"></div>';
var titleEl = el.querySelector('.title');
var msgEl = el.querySelector('.msg');
var closeBtn= el.querySelector('.close');
var bar = el.querySelector('.progress');
if (titleEl){
titleEl.textContent = ttl;
if (!ttl) titleEl.style.display = 'none';
}
if (msgEl) msgEl.textContent = message;
var h = host();
while (h.children.length >= max){
h.removeChild(h.firstElementChild);
}
h.appendChild(el);
// animate in
requestAnimationFrame(function(){ el.classList.add('show'); });
var killed = false;
var remaining = total;
var startedAt = 0;
var tmr = 0;
function setBar(ratio){
if (!bar) return;
ratio = Math.max(0, Math.min(1, ratio));
bar.style.transition = 'none';
bar.style.transform = 'scaleX(' + ratio + ')';
}
function animateBar(ms){
if (!bar) return;
bar.style.transition = 'transform ' + ms + 'ms linear';
bar.style.transform = 'scaleX(0)';
}
function remove(){
if (killed) return; killed = true;
el.classList.remove('show');
setTimeout(function(){
if (el && el.parentNode) el.parentNode.removeChild(el);
}, 220);
}
function startTimer(){
clearTimeout(tmr);
startedAt = (window.performance && performance.now) ? performance.now() : Date.now();
tmr = setTimeout(remove, remaining);
// progress bar
setBar(remaining / total);
requestAnimationFrame(function(){
requestAnimationFrame(function(){
animateBar(remaining);
});
});
}
function pauseTimer(){
clearTimeout(tmr);
var now = (window.performance && performance.now) ? performance.now() : Date.now();
var elapsed = Math.max(0, now - startedAt);
remaining = Math.max(0, remaining - elapsed);
setBar(Math.max(0.02, remaining / total));
}
startTimer();
if (closeBtn){
closeBtn.addEventListener('click', function(e){
e.stopPropagation();
clearTimeout(tmr);
remove();
});
}
// pause on hover (resume from where it left off)
el.addEventListener('mouseenter', function(){
if (killed) return;
pauseTimer();
});
el.addEventListener('mouseleave', function(){
if (killed) return;
if (remaining < 900) remaining = 900; // avoid insta-disappear after hover
startTimer();
});
// optional click-to-close
if (opts.clickToClose){
el.addEventListener('click', function(e){
if (e.target && (e.target.closest && e.target.closest('.close'))) return;
clearTimeout(tmr);
remove();
});
}
}
// global helper for AJAX / buttons
window.IPTVToast = toast;
})();
</script>
HTML;
}
// Render session flash as a toast (and clear it).
if (!empty($_SESSION['flash'])) {
$flash = $_SESSION['flash'];
unset($_SESSION['flash']);
// Support either a single flash or an array of flashes.
$flashes = [];
if (is_array($flash) && array_key_exists('msg', $flash)) {
$flashes[] = $flash;
} elseif (is_array($flash)) {
foreach ($flash as $f) {
if (is_array($f) && array_key_exists('msg', $f)) $flashes[] = $f;
}
}
foreach ($flashes as $f) {
$t = (string)($f['type'] ?? 'info');
$m = (string)($f['msg'] ?? '');
$payload = json_encode(['type'=>$t,'msg'=>$m], JSON_UNESCAPED_SLASHES|JSON_UNESCAPED_UNICODE);
echo "<script>(function(p){ try{ if(window.IPTVToast){ window.IPTVToast(p.type, p.msg); } }catch(e){} })($payload);</script>";
}
}
}
// --- CSRF helpers (admin forms) ---
function csrf_token(): string {
if (session_status() !== PHP_SESSION_ACTIVE) session_start();
if (empty($_SESSION['csrf_token'])) {
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
}
return $_SESSION['csrf_token'];
}
function csrf_input(): string {
return '<input type="hidden" name="csrf_token" value="'.e(csrf_token()).'">';
}
function csrf_validate(): void {
if (session_status() !== PHP_SESSION_ACTIVE) session_start();
// If the POST body got dropped (most commonly because post_max_size/client body limits were exceeded),
// $_POST/$_FILES will be empty and the CSRF token will look 'missing'. Return a proper 413 instead.
if (($_SERVER['REQUEST_METHOD'] ?? '') === 'POST') {
$cl = (int)($_SERVER['CONTENT_LENGTH'] ?? 0);
if ($cl > 0 && empty($_POST) && empty($_FILES)) {
$pm = (string)ini_get('post_max_size');
$um = (string)ini_get('upload_max_filesize');
http_response_code(413);
die('Upload too large or request body rejected. Increase post_max_size (' . $pm . ') and upload_max_filesize (' . $um . ') (and server body limits if applicable).');
}
}
$sent = $_POST['csrf_token'] ?? '';
$good = $_SESSION['csrf_token'] ?? '';
if (!$sent || !$good || !hash_equals($good, $sent)) {
http_response_code(403);
die('Forbidden (CSRF)');
}
}
// Backwards-compatible alias used by some pages.
// Older versions of this panel used csrf_check(); keep it working.
if (!function_exists('csrf_check')) {
function csrf_check(): void {
csrf_validate();
}
}
// --- end CSRF helpers ---
/* ---------- AVATAR HELPERS (PORTAL + STOREFRONT) ---------- */
function gc_avatar_dir(): string {
return __DIR__ . '/uploads/avatars';
}
function gc_avatar_url(int $userId): ?string {
if ($userId <= 0) return null;
$dir = gc_avatar_dir();
$candidates = ['webp','png','jpg','jpeg'];
foreach ($candidates as $ext) {
$fs = $dir . '/u' . $userId . '.' . $ext;
if (is_file($fs)) {
$v = @filemtime($fs) ?: time();
return '/uploads/avatars/u' . $userId . '.' . $ext . '?v=' . $v;
}
}
return null;
}
function gc_delete_avatar_files(int $userId): void {
if ($userId <= 0) return;
$dir = gc_avatar_dir();
foreach (['webp','png','jpg','jpeg'] as $ext) {
$fs = $dir . '/u' . $userId . '.' . $ext;
if (is_file($fs)) @unlink($fs);
}
}
/* ---------- end AVATAR HELPERS ---------- */
/* ---------- CREDENTIAL + LINK UTILITIES (ADMIN) ---------- */
function iptv_config(): array {
static $cfg = null;
if ($cfg !== null) return $cfg;
try {
$cfg = require __DIR__ . '/config.php';
if (!is_array($cfg)) $cfg = [];
} catch (Throwable $e) {
$cfg = [];
}
return $cfg;
}
function iptv_base_url(): string {
$cfg = iptv_config();
$base = trim((string)($cfg['base_url'] ?? ''));
if ($base !== '' && $base !== 'http://' && $base !== 'https://') {
return rtrim($base, '/');
}
// Fallback: infer from request
$https = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
$scheme = $https ? 'https' : 'http';
$host = $_SERVER['HTTP_HOST'] ?? 'localhost';
$script = $_SERVER['SCRIPT_NAME'] ?? '/index.php';
$dir = rtrim(str_replace('\\', '/', dirname($script)), '/');
return $scheme . '://' . $host . ($dir ? $dir : '');
}
function iptv_numeric_string(int $len=10): string {
$out = '';
for ($i=0; $i<$len; $i++) {
$out .= (string)random_int(0, 9);
}
return $out;
}
function iptv_unique_numeric_username(PDO $pdo, int $len=10, int $tries=30): string {
for ($i=0; $i<$tries; $i++) {
$u = iptv_numeric_string($len);
$st = $pdo->prepare("SELECT id FROM users WHERE username=? LIMIT 1");
$st->execute([$u]);
if (!$st->fetch()) return $u;
}
// fallback: append time fragment
return iptv_numeric_string(max(4, $len-4)) . substr((string)time(), -4);
}
/**
* Encrypt plaintext (used only so admins can view a user's generated password).
* Format: base64( IV(16) || HMAC(32) || CIPHERTEXT )
*/
function iptv_secret_key(): string {
static $cached = null;
if ($cached !== null) return $cached;
$cfg = iptv_config();
$cfg_key = (string)($cfg['secret_key'] ?? '');
// Prefer DB-persisted secret key so reinstalling/overwriting files doesn't break decryption.
$db_key = '';
if (function_exists('db')) {
try {
$pdo = db();
// Ensure table exists (older installs may not have it yet).
$pdo->exec("CREATE TABLE IF NOT EXISTS system_settings (
setting_key VARCHAR(190) PRIMARY KEY,
setting_value TEXT NULL,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
$st = $pdo->prepare("SELECT setting_value FROM system_settings WHERE setting_key='secret_key' LIMIT 1");
$st->execute();
$row = $st->fetch(PDO::FETCH_ASSOC);
if ($row && !empty($row['setting_value'])) {
$db_key = (string)$row['setting_value'];
} else {
// First run: seed DB with config secret (or generate one). Do NOT overwrite if it already exists.
$seed = $cfg_key;
if ($seed === '') {
// 64 chars printable
$seed = bin2hex(random_bytes(32));
}
$ins = $pdo->prepare("INSERT INTO system_settings (setting_key, setting_value)
VALUES ('secret_key', ?)
ON DUPLICATE KEY UPDATE setting_value = setting_value");
$ins->execute([$seed]);
$db_key = $seed;
}
} catch (Throwable $e) {
// ignore and fall back
$db_key = '';
}
}
$cached = ($db_key !== '') ? $db_key : $cfg_key;
return $cached;
}
function iptv_encrypt(string $plain): string {
if ($plain === '') return '';
// If OpenSSL isn't available (common on some shared/WAMP setups),
// fall back to a reversible, explicitly-marked plaintext encoding.
if (!function_exists('openssl_encrypt')) {
return 'plain:' . base64_encode($plain);
}
$secret = iptv_secret_key();
if ($secret === '') {
// Should not happen, but don't break settings if secret is missing.
return 'plain:' . base64_encode($plain);
}
$key = hash('sha256', $secret, true); // 32 bytes
$iv = random_bytes(16);
$cipher = openssl_encrypt($plain, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
if ($cipher === false) {
return 'plain:' . base64_encode($plain);
}
$mac = hash_hmac('sha256', $iv . $cipher, $key, true);
return base64_encode($iv . $mac . $cipher);
}
function iptv_decrypt(?string $enc): string {
if (!$enc) return '';
// Plaintext fallback format.
if (str_starts_with($enc, 'plain:')) {
$b64 = substr($enc, 6);
$out = base64_decode($b64, true);
return ($out === false) ? '' : (string)$out;
}
if (!function_exists('openssl_decrypt')) {
// If OpenSSL isn't available but we have a value, treat it as plaintext.
return (string)$enc;
}
$raw = base64_decode($enc, true);
if ($raw === false || strlen($raw) < (16+32+1)) return '';
$iv = substr($raw, 0, 16);
$mac = substr($raw, 16, 32);
$cipher = substr($raw, 48);
$secret = iptv_secret_key();
$key = hash('sha256', $secret, true);
$calc = hash_hmac('sha256', $iv . $cipher, $key, true);
if (!hash_equals($mac, $calc)) return '';
$plain = openssl_decrypt($cipher, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
return ($plain === false) ? '' : (string)$plain;
}
function iptv_m3u_link(string $username, string $password): string {
$base = iptv_base_url();
// Use m3u_plus so clients receive Live + VOD + Series in one playlist.
return $base . '/get.php?username=' . urlencode($username) . '&password=' . urlencode($password) . '&type=m3u_plus';
}
/* ---------- END CREDENTIAL + LINK UTILITIES ---------- */
function parse_m3u(string $content): array {
$lines = preg_split("/\r\n|\n|\r/", $content);
$channels = [];
$current = null;
foreach ($lines as $line) {
$line = trim($line);
if ($line === '' || str_starts_with($line, '#EXTM3U')) continue;
if (str_starts_with($line, '#EXTINF')) {
$current = [
'name' => '',
'group_title' => null,
'tvg_id' => null,
'tvg_name' => null,
'tvg_logo' => null,
'stream_url' => null,
'epg_url' => null
];
preg_match_all('/([a-zA-Z0-9\-\_]+)="([^"]*)"/', $line, $matches, PREG_SET_ORDER);
foreach ($matches as $m) {
$key = strtolower($m[1]);
$val = $m[2];
if ($key === 'group-title') $current['group_title'] = $val;
if ($key === 'tvg-id') $current['tvg_id'] = $val;
if ($key === 'tvg-name') $current['tvg_name'] = $val;
if ($key === 'tvg-logo') $current['tvg_logo'] = $val;
}
$parts = explode(',', $line, 2);
$current['name'] = trim($parts[1] ?? 'Unknown');
} else if ($current && !str_starts_with($line, '#')) {
$current['stream_url'] = $line;
$channels[] = $current;
$current = null;
}
}
return $channels;
}
/**
* Fetch a remote URL to a temporary file with sane limits.
* Returns: ['ok'=>bool,'tmp'=>path,'name'=>filename,'code'=>httpCode,'effective'=>url,'error'=>string]
*/
function iptv_fetch_url_to_temp(string $url, int $maxBytes = 52428800, int $timeout = 20): array {
$url = trim($url);
if ($url === '') return ['ok'=>false,'tmp'=>'','name'=>'','code'=>0,'effective'=>'','error'=>'Empty URL'];
$parts = @parse_url($url);
$scheme = strtolower((string)($parts['scheme'] ?? ''));
if (!in_array($scheme, ['http','https'], true)) {
return ['ok'=>false,'tmp'=>'','name'=>'','code'=>0,'effective'=>'','error'=>'Only http/https URLs are allowed'];
}
$path = (string)($parts['path'] ?? '');
$name = basename($path);
if ($name === '' || $name === '/' || $name === '.' || $name === '..') $name = 'remote.m3u';
// keep filename simple
$name = preg_replace('/[^a-zA-Z0-9._-]+/', '_', $name);
if (!preg_match('/\.m3u8?($|\.)/i', $name)) $name .= '.m3u';
$tmp = rtrim((string)sys_get_temp_dir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR .
'iptv_m3u_' . bin2hex(random_bytes(8)) . '.tmp';
$code = 0;
$effective = $url;
$err = '';
// Prefer cURL when available
if (function_exists('curl_init')) {
$fh = @fopen($tmp, 'wb');
if (!$fh) return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>0,'effective'=>$url,'error'=>'Failed to create temp file'];
$downloaded = 0;
$ch = curl_init($url);
curl_setopt_array($ch, [
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_MAXREDIRS => 5,
CURLOPT_TIMEOUT => $timeout,
CURLOPT_CONNECTTIMEOUT => min(10, $timeout),
CURLOPT_USERAGENT => 'IPTV-Panel-M3U-Importer/1.0',
CURLOPT_FILE => $fh,
CURLOPT_RETURNTRANSFER => false,
CURLOPT_HEADER => false,
CURLOPT_ENCODING => '',
CURLOPT_SSL_VERIFYPEER => true,
CURLOPT_SSL_VERIFYHOST => 2,
CURLOPT_NOPROGRESS => false,
CURLOPT_PROGRESSFUNCTION => function($resource, $dlTotal, $dlNow, $ulTotal, $ulNow) use (&$downloaded, $maxBytes) {
$downloaded = (int)$dlNow;
if ($maxBytes > 0 && $downloaded > $maxBytes) return 1; // abort
return 0;
}
]);
$ok = curl_exec($ch);
$code = (int)curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
$effective = (string)(curl_getinfo($ch, CURLINFO_EFFECTIVE_URL) ?: $url);
$err = (string)curl_error($ch);
curl_close($ch);
@fclose($fh);
if ($ok === false) {
@unlink($tmp);
if ($downloaded > $maxBytes) {
return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>$code,'effective'=>$effective,'error'=>'Remote file too large'];
}
return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>$code,'effective'=>$effective,'error'=>($err ?: 'Failed to download URL')];
}
if ($code >= 400 || @filesize($tmp) === 0) {
@unlink($tmp);
return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>$code,'effective'=>$effective,'error'=>'Remote server returned HTTP '.$code];
}
} else {
// Fallback: streams (requires allow_url_fopen)
$ctx = stream_context_create([
'http' => [
'timeout' => $timeout,
'follow_location' => 1,
'user_agent' => 'IPTV-Panel-M3U-Importer/1.0',
],
'ssl' => [
'verify_peer' => true,
'verify_peer_name' => true,
]
]);
$in = @fopen($url, 'rb', false, $ctx);
if (!$in) return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>0,'effective'=>$url,'error'=>'Failed to open URL (allow_url_fopen disabled?)'];
$out = @fopen($tmp, 'wb');
if (!$out) { @fclose($in); return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>0,'effective'=>$url,'error'=>'Failed to create temp file']; }
$downloaded = 0;
while (!feof($in)) {
$buf = fread($in, 8192);
if ($buf === false) break;
$downloaded += strlen($buf);
if ($maxBytes > 0 && $downloaded > $maxBytes) {
@fclose($in); @fclose($out);
@unlink($tmp);
return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>0,'effective'=>$url,'error'=>'Remote file too large'];
}
fwrite($out, $buf);
}
@fclose($in);
@fclose($out);
if (@filesize($tmp) === 0) { @unlink($tmp); return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>0,'effective'=>$url,'error'=>'Empty download']; }
}
// quick signature check (don’t hard-fail on weird spacing)
$head = @file_get_contents($tmp, false, null, 0, 256);
if ($head === false) $head = '';
$headTrim = ltrim($head);
if ($headTrim !== '' && !str_starts_with($headTrim, '#EXTM3U') && !str_contains($headTrim, '#EXTINF')) {
// Not necessarily fatal, but most bad URLs will be HTML or JSON.
// Keep it strict: fail to avoid importing garbage.
@unlink($tmp);
return ['ok'=>false,'tmp'=>'','name'=>$name,'code'=>$code,'effective'=>$effective,'error'=>'URL did not look like an M3U playlist'];
}
return ['ok'=>true,'tmp'=>$tmp,'name'=>$name,'code'=>$code,'effective'=>$effective,'error'=>''];
}
function check_stream_url(string $url, int $timeout=8): array {
$ch = curl_init($url);
curl_setopt_array($ch, [
CURLOPT_NOBODY => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_TIMEOUT => $timeout,
CURLOPT_CONNECTTIMEOUT => $timeout,
CURLOPT_USERAGENT => 'IPTV-Admin-Checker/1.0'
]);
curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
$err = curl_error($ch);
curl_close($ch);
$works = ($code >= 200 && $code < 400);
return ['code'=>$code, 'works'=>$works, 'error'=>$err];
}
/* ---------- SECURITY + LOGGING HELPERS ---------- */
function get_client_ip(): string {
// Prefer real client IP when behind proxies/CDNs.
// Order matters: if a provider sets a dedicated header, use it.
$candidates = [];
if (!empty($_SERVER['HTTP_CF_CONNECTING_IP'])) $candidates[] = $_SERVER['HTTP_CF_CONNECTING_IP'];
if (!empty($_SERVER['HTTP_TRUE_CLIENT_IP'])) $candidates[] = $_SERVER['HTTP_TRUE_CLIENT_IP'];
if (!empty($_SERVER['HTTP_X_REAL_IP'])) $candidates[] = $_SERVER['HTTP_X_REAL_IP'];
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) $candidates[] = $_SERVER['HTTP_X_FORWARDED_FOR'];
if (!empty($_SERVER['REMOTE_ADDR'])) $candidates[] = $_SERVER['REMOTE_ADDR'];
$first_valid = '';
foreach ($candidates as $raw) {
$raw = trim((string)$raw);
if ($raw === '') continue;
// Take first from XFF list
if (strpos($raw, ',') !== false) $raw = trim(explode(',', $raw, 2)[0]);
// Strip [IPv6]:port
if (preg_match('/^\[(.+)\]:(\d+)$/', $raw, $m)) $raw = $m[1];
// Strip IPv4:port
if (preg_match('/^(\d{1,3}(?:\.\d{1,3}){3}):(\d+)$/', $raw, $m)) $raw = $m[1];
$raw = trim($raw);
if (!filter_var($raw, FILTER_VALIDATE_IP)) continue;
if ($first_valid === '') $first_valid = $raw;
// Prefer public IPs
$is_public = (bool)filter_var($raw, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE);
if ($is_public) return $raw;
}
return $first_valid !== '' ? $first_valid : '0.0.0.0';
}
function strict_device_id_enabled(): bool {
try {
$config = require __DIR__ . '/config.php';
return !empty($config['strict_device_id']);
} catch (Throwable $e) {
return false;
}
}
function get_device_fingerprint(): string {
// Prefer explicit device id (apps can send ?device_id= or X-Device-ID)
$dev = trim($_GET['device_id'] ?? ($_SERVER['HTTP_X_DEVICE_ID'] ?? ''));
if ($dev !== '') {
return substr(hash('sha256', $dev), 0, 32);
}
// If strict mode is on, do NOT fall back to UA (forces real device_id from your app)
if (strict_device_id_enabled()) {
return '';
}
// If the stream proxy passed a fingerprint forward, use it (stabilizes device identity)
$dfp = trim($_GET['dfp'] ?? '');
if ($dfp !== '' && preg_match('/^[a-f0-9]{32}$/i', $dfp)) {
return strtolower($dfp);
}
$ua = $_SERVER['HTTP_USER_AGENT'] ?? 'unknown';
return substr(hash('sha256', $ua), 0, 32);
}
function rate_limit(string $key, int $limit, int $window_seconds): bool {
// Returns true if allowed, false if rate-limited.
$dir = __DIR__ . '/tmp/ratelimit';
if (!is_dir($dir)) @mkdir($dir, 0755, true);
$f = $dir . '/' . preg_replace('/[^a-zA-Z0-9_\-\.]/', '_', $key) . '.json';
$now = time();
$data = ['t' => $now, 'hits' => []];
if (is_file($f)) {
$raw = @file_get_contents($f);
$j = $raw ? json_decode($raw, true) : null;
if (is_array($j)) $data = $j;
}
// prune
$hits = array_values(array_filter($data['hits'] ?? [], fn($t) => ($t >= $now - $window_seconds)));
if (count($hits) >= $limit) {
$data['hits'] = $hits;
@file_put_contents($f, json_encode($data));
return false;
}
$hits[] = $now;
$data['hits'] = $hits;
@file_put_contents($f, json_encode($data));
return true;
}
function parse_cidr_list(?string $txt): array {
if (!$txt) return [];
$parts = preg_split('/[\s,;]+/', trim($txt));
return array_values(array_filter(array_map('trim', $parts)));
}
function ip_in_cidr(string $ip, string $cidr): bool {
if (strpos($cidr, '/') === false) {
return $ip === $cidr;
}
[$subnet, $mask] = explode('/', $cidr, 2);
$mask = (int)$mask;
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) && filter_var($subnet, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
$ip_long = ip2long($ip);
$sub_long = ip2long($subnet);
$mask_long = -1 << (32 - $mask);
return ($ip_long & $mask_long) === ($sub_long & $mask_long);
}
// IPv6 CIDR not supported in this minimal helper
return false;
}
function ip_allowed(string $ip, ?string $allowlist, ?string $denylist): bool {
$deny = parse_cidr_list($denylist);
foreach ($deny as $cidr) {
if (ip_in_cidr($ip, $cidr)) return false;
}
$allow = parse_cidr_list($allowlist);
if (!$allow) return true;
foreach ($allow as $cidr) {
if (ip_in_cidr($ip, $cidr)) return true;
}
return false;
}
/* ---------- ABUSE BANS ---------- */
/**
* Abuse bans are stored in abuse_bans.
* We keep IP bans and User bans as separate concepts:
* - IP ban: blocks an IP address regardless of account.
* - User ban: blocks a specific account regardless of IP.
* Table: abuse_bans (created by runtime migrations).
*/
function abuse_ip_ban_lookup(PDO $pdo, string $ip): ?array {
try {
$st = $pdo->prepare("
SELECT * FROM abuse_bans
WHERE ban_type='ip' AND ip=?
AND (expires_at IS NULL OR expires_at > NOW())
ORDER BY (expires_at IS NULL) DESC, expires_at DESC, id DESC
LIMIT 1
");
$st->execute([$ip]);
$row = $st->fetch(PDO::FETCH_ASSOC);
if ($row) return $row;
} catch (Throwable $e) {
return null;
}
return null;
}
function abuse_user_ban_lookup(PDO $pdo, int $user_id): ?array {
if ($user_id < 1) return null;
try {
$st = $pdo->prepare("
SELECT * FROM abuse_bans
WHERE ban_type='user' AND user_id=?
AND (expires_at IS NULL OR expires_at > NOW())
ORDER BY (expires_at IS NULL) DESC, expires_at DESC, id DESC
LIMIT 1
");
$st->execute([(int)$user_id]);
$row = $st->fetch(PDO::FETCH_ASSOC);
if ($row) return $row;
} catch (Throwable $e) {
return null;
}
return null;
}
/**
* Back-compat helper: returns the first active ban encountered.
* Prefer calling abuse_ip_ban_lookup() and abuse_user_ban_lookup() separately.
*/
function abuse_ban_lookup(PDO $pdo, string $ip, ?int $user_id=null): ?array {
$row = abuse_ip_ban_lookup($pdo, $ip);
if ($row) return $row;
if ($user_id) {
$row = abuse_user_ban_lookup($pdo, (int)$user_id);
if ($row) return $row;
}
return null;
}
function audit_log(string $event, ?int $user_id=null, array $meta=[], ?int $reseller_id=null): void {
try {
$pdo = db();
$pdo->prepare('INSERT INTO audit_logs (user_id,reseller_id,ip,event,meta_json) VALUES (?,?,?,?,?)')
->execute([$user_id, $reseller_id, get_client_ip(), $event, $meta ? json_encode($meta, JSON_UNESCAPED_SLASHES) : null]);
} catch (Throwable $e) {
// ignore
}
// Optional webhook
try {
$config = require __DIR__ . '/config.php';
$hook = $config['webhook_url'] ?? '';
if ($hook) {
$payload = json_encode([
'event' => $event,