Ty Clifford
6217a216a7
Safari/iPhone recording now uses MP4/AAC when WebM is unavailable. WebM remains the default when supported and FFmpeg is disabled. Added optional FFmpeg profiles: recommended M4A/AAC-LC or requested MP4/H.264 + AAC. Added MIME-aware, playsinline audio playback. Added dashboard controls under Plans & Platform → Voice Transcoding / FFmpeg. Added Apache/Nginx media MIME configuration and documentation. Core implementation: voice_transcoder.php (line 72), messages.php (line 86), and cyberchat-app.js (line 635).
242 lines
9.7 KiB
PHP
242 lines
9.7 KiB
PHP
<?php
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define('CYBERCHAT_API', true);
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require_once __DIR__ . '/../bootstrap.php';
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require_once ROOT_DIR . '/lib/voice_transcoder.php';
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sendCorsHeaders();
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try { archiveYesterdayIfNeeded(); } catch (Throwable $e) { error_log($e->getMessage()); }
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$action = $_POST['action'] ?? $_GET['action'] ?? '';
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match ($action) {
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'send' => sendTextMessage(),
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'send_voice' => sendVoiceMessage(),
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'recording' => setRecordingStatus(),
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'poll' => pollMessages(),
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'history' => archiveDays(),
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default => jsonResponse(['error' => 'Unknown action'], 400),
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};
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function messagePayload(array $row): array {
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return [
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'id' => (int)$row['id'],
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'user_id' => isset($row['user_id']) ? (int)$row['user_id'] : null,
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'username' => $row['username'],
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'color' => $row['color'],
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'message' => $row['message'],
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'message_type' => $row['message_type'] ?? 'text',
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'voice_url' => !empty($row['voice_file']) ? voicePublicPath($row['voice_file']) : null,
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'voice_mime' => $row['voice_mime'] ?? null,
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'voice_duration' => isset($row['voice_duration']) ? (float)$row['voice_duration'] : null,
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'created_at' => (int)$row['created_at'],
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'day_key' => $row['day_key'] ?? dayKey(),
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];
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}
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function sendTextMessage(): never {
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$user = authRequired();
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$message = trim((string)($_POST['message'] ?? ''));
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$max = (int)getConfigVal('chat.max_message_length', 500);
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if ($message === '') jsonResponse(['error' => 'Empty message'], 400);
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if (strlen($message) > $max) jsonResponse(['error' => "Message too long (max $max chars)"], 400);
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$db = getDB();
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$db->prepare("INSERT INTO messages (user_id,username,color,message,created_at,day_key)
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VALUES (?,?,?,?,CAST(strftime('%s','now') AS INTEGER),?)")->execute([
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$user['id'], $user['username'], $user['color'], $message, dayKey(),
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]);
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$messageId = (int)$db->lastInsertId();
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$createdStmt = $db->prepare("SELECT created_at FROM messages WHERE id=?");
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$createdStmt->execute([$messageId]);
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$created = (int)$createdStmt->fetchColumn();
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trackEvent('message_text', '/api/messages.php', (int)$user['id']);
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jsonResponse(['success' => true, 'message' => messagePayload([
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'id' => $messageId,
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'user_id' => $user['id'],
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'username' => $user['username'],
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'color' => $user['color'],
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'message' => $message,
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'message_type' => 'text',
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'created_at' => $created,
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'day_key' => dayKey(),
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])]);
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}
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function sendVoiceMessage(): never {
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$user = authRequired();
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if (!getConfigVal('voice.enabled', true) || !featureValue($user, 'voice_messages', true)) {
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jsonResponse(['error' => 'Your plan does not include voice messages'], 403);
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}
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if (empty($_FILES['voice']) || !is_array($_FILES['voice'])) {
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jsonResponse(['error' => 'No voice clip uploaded'], 400);
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}
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$file = $_FILES['voice'];
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if (($file['error'] ?? UPLOAD_ERR_NO_FILE) !== UPLOAD_ERR_OK) {
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jsonResponse(['error' => 'Voice upload failed'], 400);
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}
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$maxBytes = (int)getConfigVal('voice.max_upload_bytes', 12582912);
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if (($file['size'] ?? 0) < 1 || $file['size'] > $maxBytes) {
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jsonResponse(['error' => 'Voice clip exceeds the upload limit'], 400);
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}
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$duration = (float)($_POST['duration'] ?? 0);
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$maxSeconds = max(1, (int)getConfigVal('voice.max_duration_seconds', 60));
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if ($duration <= 0 || $duration > $maxSeconds + 1) {
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jsonResponse(['error' => "Voice clip must be $maxSeconds seconds or less"], 400);
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}
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$mime = class_exists('finfo') ? (string)(new finfo(FILEINFO_MIME_TYPE))->file($file['tmp_name']) : '';
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$header = (string)file_get_contents($file['tmp_name'], false, null, 0, 16);
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if (str_starts_with($header, "\x1A\x45\xDF\xA3")) $mime = 'audio/webm';
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elseif (str_starts_with($header, 'RIFF') && substr($header, 8, 4) === 'WAVE') $mime = 'audio/wav';
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elseif (strlen($header) >= 8 && substr($header, 4, 4) === 'ftyp') $mime = 'audio/mp4';
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elseif (strlen($header) >= 2 && ord($header[0]) === 0xFF && (ord($header[1]) & 0xF0) === 0xF0) $mime = 'audio/aac';
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$allowed = [
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'audio/webm' => 'webm',
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'video/webm' => 'webm',
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'audio/wav' => 'wav',
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'audio/x-wav' => 'wav',
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'audio/wave' => 'wav',
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'audio/mp4' => 'm4a',
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'video/mp4' => 'm4a',
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'audio/aac' => 'aac',
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'audio/x-aac' => 'aac',
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];
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if (!isset($allowed[$mime])) jsonResponse(['error' => 'Voice clips must be WebM, MP4/M4A, AAC, or WAV'], 400);
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$dir = voiceUploadDir();
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ensureWritableDirectory($dir, 'Voice storage');
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$token = bin2hex(random_bytes(20));
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$sourceFilename = $token . '.' . $allowed[$mime];
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$sourcePath = $dir . '/' . $sourceFilename;
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if (!move_uploaded_file($file['tmp_name'], $sourcePath)) {
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jsonResponse(['error' => 'Could not store voice clip'], 500);
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}
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$sourceMime = match ($mime) {
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'video/webm' => 'audio/webm',
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'video/mp4' => 'audio/mp4',
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'audio/x-wav', 'audio/wave' => 'audio/wav',
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'audio/x-aac' => 'audio/aac',
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default => $mime,
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};
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try {
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$stored = transcodeVoiceRecording($sourcePath, $sourceFilename, $sourceMime);
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} catch (Throwable $e) {
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if (is_file($sourcePath)) @unlink($sourcePath);
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throw $e;
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}
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$filename = $stored['filename'];
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$storedMime = $stored['mime'];
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$db = getDB();
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try {
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$db->prepare("INSERT INTO messages
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(user_id,username,color,message,message_type,voice_file,voice_mime,voice_duration,created_at,day_key)
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VALUES (?,?,?,?,'voice',?,?,?,CAST(strftime('%s','now') AS INTEGER),?)")->execute([
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$user['id'], $user['username'], $user['color'], '[Voice clip]',
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$filename, $storedMime, $duration, dayKey(),
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]);
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} catch (Throwable $e) {
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deleteVoiceFile($filename);
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throw $e;
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}
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$messageId = (int)$db->lastInsertId();
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$db->prepare("DELETE FROM recording_status WHERE channel_key='public' AND user_id=?")
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->execute([$user['id']]);
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$createdStmt = $db->prepare("SELECT created_at FROM messages WHERE id=?");
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$createdStmt->execute([$messageId]);
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$created = (int)$createdStmt->fetchColumn();
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trackEvent('message_voice', '/api/messages.php', (int)$user['id']);
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jsonResponse(['success' => true, 'message' => messagePayload([
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'id' => $messageId,
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'user_id' => $user['id'],
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'username' => $user['username'],
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'color' => $user['color'],
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'message' => '[Voice clip]',
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'message_type' => 'voice',
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'voice_file' => $filename,
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'voice_mime' => $storedMime,
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'voice_duration' => $duration,
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'created_at' => $created,
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'day_key' => dayKey(),
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])]);
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}
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function setRecordingStatus(): never {
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$user = authRequired();
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if (!featureValue($user, 'recording_status', false)) {
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jsonResponse(['error' => 'Your plan does not include recording indicators'], 403);
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}
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$active = filter_var($_POST['active'] ?? false, FILTER_VALIDATE_BOOLEAN);
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$db = getDB();
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if ($active) {
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$db->prepare("INSERT INTO recording_status (channel_key,user_id,expires_at) VALUES ('public',?,?)
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ON CONFLICT(channel_key,user_id) DO UPDATE SET expires_at=excluded.expires_at")
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->execute([$user['id'], time() + 10]);
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} else {
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$db->prepare("DELETE FROM recording_status WHERE channel_key='public' AND user_id=?")
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->execute([$user['id']]);
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}
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jsonResponse(['success' => true]);
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}
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function pollMessages(): never {
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$user = authRequired();
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$since = max(0, (int)($_GET['since'] ?? 0));
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$limit = max(1, min(250, (int)getConfigVal('chat.messages_per_page', 100)));
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$db = getDB();
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if ($since === 0) {
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$stmt = $db->prepare("SELECT * FROM messages
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WHERE day_key=? ORDER BY id DESC LIMIT ?");
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$stmt->execute([dayKey(), $limit]);
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$rows = $stmt->fetchAll();
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usort($rows, 'compareMessagesChronologically');
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$hasMore = false;
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} else {
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$stmt = $db->prepare("SELECT * FROM messages
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WHERE day_key=? AND id>? ORDER BY id LIMIT ?");
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$stmt->execute([dayKey(), $since, $limit + 1]);
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$rows = $stmt->fetchAll();
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$hasMore = count($rows) > $limit;
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if ($hasMore) $rows = array_slice($rows, 0, $limit);
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}
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$cursor = $since;
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foreach ($rows as $row) $cursor = max($cursor, (int)$row['id']);
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$cutoff = time() - 300;
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$onlineStmt = $db->prepare("SELECT COUNT(*) FROM sessions WHERE last_active>?");
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$onlineStmt->execute([$cutoff]);
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$recording = [];
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$db->prepare("DELETE FROM recording_status WHERE expires_at<=?")->execute([time()]);
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if (featureValue($user, 'recording_status', false)) {
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$recordStmt = $db->prepare("SELECT u.id,u.username,u.color FROM recording_status r
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JOIN users u ON u.id=r.user_id
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WHERE r.channel_key='public' AND r.expires_at>? AND r.user_id!=?");
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$recordStmt->execute([time(), $user['id']]);
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$recording = $recordStmt->fetchAll();
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}
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jsonResponse([
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'messages' => array_map('messagePayload', $rows),
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'cursor' => $cursor,
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'has_more' => $hasMore,
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'online' => (int)$onlineStmt->fetchColumn(),
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'recording' => $recording,
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'server_time' => time(),
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]);
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}
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function compareMessagesChronologically(array $a, array $b): int {
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return ((int)$a['created_at'] <=> (int)$b['created_at'])
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?: ((int)$a['id'] <=> (int)$b['id']);
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}
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function archiveDays(): never {
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$user = authRequired();
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$rows = personalArchiveRows($user, '', 1000);
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$days = array_values(array_unique(array_column($rows, 'day_key')));
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rsort($days);
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jsonResponse(['days' => $days]);
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}
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