initial

public/api/live_cast_signaling.php

@@ -0,0 +1,84 @@
+<?php
+declare(strict_types=1);
+require_once __DIR__ . '/../../src/bootstrap.php';
+
+header('Content-Type: application/json; charset=utf-8');
+
+$method = strtoupper((string) ($_SERVER['REQUEST_METHOD'] ?? 'GET'));
+$sessionId = trim((string) ($_GET['session_id'] ?? ''));
+$sinceId = (int) ($_GET['since_id'] ?? 0);
+$msgType = trim((string) ($_GET['msg_type'] ?? ''));
+$fromRole = trim((string) ($_GET['from_role'] ?? ''));
+$body = [];
+
+if ($method === 'POST') {
+    $raw = file_get_contents('php://input') ?: '';
+    $body = json_decode($raw, true);
+    if (!is_array($body)) {
+        json_out(['ok' => false, 'error' => 'invalid_json'], 400);
+    }
+    $sessionId = trim((string) ($body['session_id'] ?? $sessionId));
+}
+
+if ($sessionId === '') {
+    json_out(['ok' => false, 'error' => 'missing_session_id'], 400);
+}
+
+$session = LiveCastRepository::sessionById($sessionId);
+if ($session === null) {
+    json_out(['ok' => false, 'error' => 'not_found'], 404);
+}
+
+$platform = strtolower((string) ($session['platform'] ?? ''));
+$status = strtolower((string) ($session['status'] ?? ''));
+$isPublic = str_starts_with($platform, 'education')
+    || in_array($status, ['intent', 'live'], true);
+
+if (!$isPublic) {
+    Auth::check();
+}
+
+if ($method === 'GET') {
+    $action = trim((string) ($_GET['action'] ?? 'poll'));
+    if ($action === 'latest') {
+        $latest = LiveCastSignalingRepository::latest(
+            $sessionId,
+            $msgType !== '' ? $msgType : 'offer',
+            $fromRole !== '' ? $fromRole : null
+        );
+        json_out(['ok' => true, 'message' => $latest]);
+    }
+    $messages = LiveCastSignalingRepository::poll(
+        $sessionId,
+        $sinceId,
+        $msgType !== '' ? $msgType : null,
+        $fromRole !== '' ? $fromRole : null
+    );
+    $lastId = $sinceId;
+    foreach ($messages as $m) {
+        $lastId = max($lastId, (int) ($m['id'] ?? 0));
+    }
+    json_out(['ok' => true, 'messages' => $messages, 'since_id' => $lastId]);
+}
+
+if ($method !== 'POST') {
+    json_out(['ok' => false, 'error' => 'method_not_allowed'], 405);
+}
+
+$action = trim((string) ($body['action'] ?? 'post'));
+if ($action !== 'post') {
+    json_out(['ok' => false, 'error' => 'unknown_action'], 400);
+}
+
+$peerRole = trim((string) ($body['peer_role'] ?? 'caster'));
+$type = trim((string) ($body['msg_type'] ?? ''));
+$payload = $body['payload'] ?? null;
+if (!is_array($payload)) {
+    $payload = ['sdp' => (string) ($body['sdp'] ?? ''), 'type' => (string) ($body['type'] ?? '')];
+}
+if ($type === '') {
+    json_out(['ok' => false, 'error' => 'missing_msg_type'], 400);
+}
+
+$id = LiveCastSignalingRepository::post($sessionId, $peerRole, $type, $payload);
+json_out(['ok' => true, 'id' => $id]);