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/*jshint esversion: 6 */
var socket;
var assigned_server = 3001;
var distributor_server = 3010;
var publisher_channel = '';
var broadcaster_channel = '';
var remote_ip = '';
var session_info = {};
var logging_interval;
var logging_interval_time = 120000;
var socket_emits = 0;
var session_start_time;
var reconnectionDelayGrowFactor = 1.2;
var reconnection_delay = 1000;
var playing = false;
var connected_to_assigned = false;
var socket_close_timeout;
var player_disconnected_annoucement_play_delay = 1500;
var player_disconnected_annoucement_play_timeout = null;
const TOKEN_ENDPOINT = "https://www.livesquawk.com/api/get_token.php";
self.onmessage = function (msg) {
switch(msg.data.action) {
case 'Reactivate': reactivate(); break;
case 'ConnectDistributor': connect_to_distributor(msg); break;
case 'SessionStaticInfo': session_static_info(msg); break;
case 'SessionInfo': update_session_info(msg.data); break;
case 'PauseLogging': clearTimeout(logging_interval); break;
case 'RestartLogging': postMessage({action: 'RequestSessionStaticInfo' }); break;
case 'JoinPublisherChannel': join_publisher_channel(msg.data); break;
case 'JoinPlayerChannel': join_player_channel(msg.data); break;
case 'CheckChannelStatus': check_channel_status(msg.data); break;
case 'PlayerLogResponse': player_log_response(msg.data); break;
case 'CloseSocket': close_socket(); break;
case 'RequestMessageSearch': request_message_search(msg.data); break;
case 'RequestMoreMessages': request_more_messages(msg.data); break;
case 'PlayerDisconnectedAnnoucementTimeoutStart': player_disconnected_annoucement_timeout_start(); break;
case 'PlayerDisconnectedAnnoucementTimeoutClear': player_disconnected_annoucement_timeout_clear(); break;
case 'GetConnectionState': checkSocketConnectionState(); break;
}
};
function player_disconnected_annoucement_timeout_clear() {
clearTimeout(player_disconnected_annoucement_play_timeout);
player_disconnected_annoucement_play_timeout = null;
}
function player_disconnected_annoucement_timeout_start() {
player_disconnected_annoucement_play_timeout = setTimeout(function() { send_play_disconnect_annoucement(); }, player_disconnected_annoucement_play_delay );
}
function send_play_disconnect_annoucement() {
postMessage({action: "PlayDisconnectAnnoucement"});
}
function reactivate() {
playing = false;
connect_to_assigned_server();
}
function player_log_response(data) {
var data_array = {};
data_array.type = 'PlayerLogResponse';
data_array.respond_to_socket_final = data.respond_to_socket_final;
data_array.respond_to_socket = data.respond_to_socket;
data_array.player_socket_id = data.player_socket_id;
data_array.logs = data.logs;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function request_message_search(data) {
var data_array = {};
data_array.type = 'request_message_search';
data_array.publisher_channel = data.publisher_channel;
data_array.search_term = data.search_term;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function request_more_messages(data) {
var data_array = {};
data_array.type = 'request_more_messages';
data_array.publisher_channel = data.publisher_channel;
data_array.last_record_id = data.last_record_id;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function check_channel_status(data) {
var data_array = {};
data_array.type = 'check_channel_status';
data_array.app_name = data.app_name;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1 && connected_to_assigned) { socket.send(msg_string); }
else { setTimeout(function() { check_channel_status(data); },500); }
}
function check_channel_status_response(data) {
postMessage({ action: 'CheckChannelStatusReponse', stream_status: data.stream_status.status, onair: data.stream_status.onair, connected: data.stream_status.connected });
}
async function join_publisher_channel(data) {
if (typeof data.jwt_token === 'string' && data.jwt_token !== '') {
if (!socket || socket.readyState !== WebSocket.OPEN) {
console.warn("[Page worker] JWT join skipped: socket not open");
return;
}
socket.send(JSON.stringify({
type: "join_publisher_channel",
jwt_token: data.jwt_token,
publisher_channel: data.publisher_channel,
username: data.username,
subscriber_group: data.subscriber_group,
display_name: data.display_name,
single_sign_on: data.single_sign_on,
remote_ip: data.remote_ip,
http_referrer: data.http_referrer,
current_page: data.current_page,
php_session_id: data.php_session_id,
from_react: data.from_react,
...(typeof data.api_key === "string" && data.api_key.trim() !== "" ? { api_key: data.api_key } : {}),
}));
console.log("[Page worker] Sent supplied JWT join");
postMessage({ action: 'PublisherChannelJoined' });
return;
}
const joinSocket = socket; if (!joinSocket || joinSocket.readyState !== WebSocket.OPEN) { return; }
const apiKey = typeof data.api_key === "string" ? data.api_key.trim() : "";
const partnerName = partnerFromCurrentPage(data.current_page);
let tokenBody;
if (apiKey !== "") { tokenBody = { api_key: apiKey }; }
else if (partnerName) { tokenBody = { partner_name: partnerName }; }
else { tokenBody = { username: data.username || "", publisher_channel: data.publisher_channel || "", }; }
let jwtToken = null;
try {
const requestStartedAt = Date.now();
const response = await fetch(TOKEN_ENDPOINT, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(tokenBody),
credentials: "same-origin",
cache: "no-store",
});
if (!response.ok) {
throw new Error(`token endpoint returned ${response.status}`);
}
const tokenData = await response.json();
if ( !tokenData || typeof tokenData.token !== "string" || tokenData.token === "" ) {
throw new Error("token endpoint returned no token");
}
const expiresIn = Number(tokenData.expires_in);
if (!Number.isFinite(expiresIn) || expiresIn <= 0) {
throw new Error("token endpoint returned an invalid lifetime");
}
const expiresAt = requestStartedAt + (expiresIn * 1000);
if (expiresAt <= Date.now() + 30000) {
throw new Error("token response has insufficient remaining lifetime");
}
jwtToken = tokenData.token;
}
catch (error) {
console.warn("[Page worker] Token request failed", error);
// API-key requests must not silently bypass token authentication.
if (apiKey !== "") { postMessage({ action: "auth_failed" }); return; }
}
// A reconnect during the fetch makes this join attempt obsolete.
if ( socket !== joinSocket || joinSocket.readyState !== WebSocket.OPEN ) { return; }
const payload = {
type: "join_publisher_channel",
publisher_channel: data.publisher_channel,
username: data.username,
subscriber_group: data.subscriber_group,
display_name: data.display_name,
single_sign_on: data.single_sign_on,
remote_ip: data.remote_ip,
http_referrer: data.http_referrer,
current_page: data.current_page,
php_session_id: data.php_session_id,
from_react: data.from_react,
};
if (apiKey !== "") { payload.api_key = apiKey; }
if (jwtToken) { payload.jwt_token = jwtToken; }
console.log( jwtToken ? "[Page worker] Sending fetched JWT with legacy details" : "[Page worker] Sending legacy join without JWT" );
joinSocket.send(JSON.stringify(payload));
postMessage({ action: "PublisherChannelJoined" });
}
function partnerFromCurrentPage(current_page) {
try {
if (!current_page) return '';
const fullUrl = current_page.startsWith('http') ? current_page : `https://${current_page}`;
return new URL(fullUrl).searchParams.get('partner_name') || '';
} catch (e) { return ''; }
}
function session_static_info(msg) {
set_static_session_info(msg.data);
start_log();
}
function connect_to_distributor(msg) {
publisher_channel = msg.data.publisher_channel;
remote_ip = msg.data.remote_ip;
socket = new WebSocket("wss://ws.livesquawk.com/ws"+distributor_server);
socket.onopen = function(event) { request_server_assignment(); };
socket.onmessage = function(event) {
var msg_string = event.data.toString();
var data = JSON.parse(msg_string);
switch(data.type) {
case 'server_assignment_response': server_assignment_response(data); break;
}
};
}
function session_info_interval() {
postMessage({action: 'RequestSessionInfo' });
logging_interval = setTimeout(session_info_interval,logging_interval_time);
}
function server_assignment_response(data) {
assigned_server = data.selected_server;
socket.close();
connect_to_assigned_server();
}
function request_server_assignment() {
var data_array = {};
data_array.type = 'request_server_assignment';
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function connect_to_assigned_server() {
socket = new WebSocket("wss://ws.livesquawk.com/ws"+assigned_server);
socket.onopen = function(event) {
postMessage({ action: 'VisibleConsole',console_string: "Connected to server "+assigned_server });
console.log("Connected to server "+assigned_server);
postMessage({ action: 'ConnectedToAssigned' });
connected_to_assigned = true;
if (playing) {
postMessage({ action: 'RejoinPlayerChannel' });
}
};
socket.onmessage = function(event) {
var msg_string = event.data.toString();
var data = JSON.parse(msg_string);
if (data.type != 'server_ping') { /* console.log(data.type); */ }
switch(data.type) {
case 'reconnect': postMessage({ action: 'VisibleConsole',console_string: "Reconnected" }); break;
case 'reload': postMessage({ action: 'Reload' }); break;
case 'start_log_response': start_log_response(data); break;
case 'application_refresh_start': application_refresh_start(data); break;
case 'application_refresh_stop': application_refresh_stop(data); break;
case 'player_log_request':
case 'check_channel_status_response': check_channel_status_response(data); break;
case 'PlayerLogRequest':
case 'new_tweet':
case 'new_latest_news':
case 'delete_report':
case 'add_report':
case 'add_ref_doc':
case 'calendar_change':
case 'calendar_insert':
case 'calendar_delete':
case 'new_note':
case 'AppStart':
case 'AppStop':
case 'BroadcasterStarted':
case 'BroadcasterStopped':
case 'added_cme_report':
case 'updated_cme_report':
case 'added_cme_commentary':
case 'updated_cme_commentary':
case 'server_assignment_response':
case 'initial_messages':
case 'message_categories':
case 'more_messages':
case 'matched_messages':
pass_straight_to_post_message(data);
break;
case 'output':
case 'server_ping':
case 'reconnect':
case 'disconnect':
break;
}
};
socket.onerror = function(event) {
postMessage({ action: 'VisibleConsole',console_string: "LS Socket Error" + event.type });
console.log(event);
postMessage({ action: 'LSSocketConnectionError' });
};
socket.onclose = function(event) {
console.log('Socket is closed. Reconnect will be attempted in 1 second.', event.reason);
socket_close_timeout = setTimeout(connect_to_assigned_server, reconnection_delay);
reconnection_delay = reconnection_delay*reconnectionDelayGrowFactor;
connected_to_assigned = false;
};
}
function checkSocketConnectionState() {
postMessage({ action: 'SocketConnectionState', connected: Boolean(socket && socket.readyState === WebSocket.OPEN && connected_to_assigned ), });
}
function close_socket() {
clearTimeout(socket_close_timeout);
socket_close_timeout = null;
socket.onclose = function(event) {};
socket.onmessage = function(event) {};
socket.onerror = function(event) {};
socket.close(1000);
console.log('Socket Closed');
}
function pass_straight_to_post_message(data) {
data.action = data.type;
postMessage(data);
}
function join_player_channel(data) {
var data_array = {};
data_array.type = 'join_player_channel';
data_array.player_channel = data.player_channel;
data_array.remote_ip = data.remote_ip;
data_array.username = data.username;
data_array.app_name = data.app_name;
data_array.onair_status = data.onair_status;
data_array.http_referrer = data.http_referrer;
data_array.current_page = data.current_page;
data_array.php_session_id = data.php_session_id;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
postMessage({action: 'PlayerChannelJoined' });
playing = true;
}
function start_log_response(data) {
session_info.session_id = data.log_record_id;
session_info_interval();
}
function application_refresh_start(data) {
if (data.app_name == session_info.application_name) { postMessage({action: 'ApplicationRefreshStart' }); }
}
function application_refresh_stop(data) {
if (data.app_name == session_info.application_name) { postMessage({action: 'ApplicationRefreshStop' }); }
}
function set_static_session_info(data) {
session_info.browser_codename = data.browser_codename;
session_info.browser_name = data.browser_name;
session_info.user_agent = data.user_agent;
session_info.browser_version = data.browser_version;
session_info.cookies_enabled = data.cookies_enabled;
session_info.platform = data.platform;
session_info.player_version = data.player_version;
session_info.stream = data.stream;
session_info.connection_protocol = data.protocol;
session_info.delay_target = data.delay_target;
session_info.session_email = data.session_email;
session_info.remote_ip = data.remote_ip;
session_info.php_session_id = data.php_session_id;
session_info.application_name = data.application_name;
session_info.http_referrer = data.http_referrer;
}
function start_log() {
var session_start_date = new Date();
session_start_time = session_start_date.getTime();
var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
var session_start_date_string = session_start_date.getDate() + " " + months[session_start_date.getMonth()] + " " + session_start_date.getFullYear();
var data_array = {};
data_array.type = 'webrtc_start_log';
data_array.remote_ip = session_info.remote_ip;
data_array.username = session_info.session_email;
data_array.php_session_id = session_info.php_session_id;
data_array.webrtc_protocol = '';
data_array.session_start_time = (session_start_time/1000).toFixed(0);
data_array.stream_name = session_info.stream;
data_array.session_start_date = session_start_date_string;
var msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
function update_session_info(data) {
var data_array = {};
var msg_string = '';
var current_date = new Date();
var current_time = current_date.getTime();
session_info.protocol = data.protocol;
session_info.curr_delay = (data.effective_latency / 1000).toFixed(2);
session_info.session_length = current_time - session_start_time;
session_info.ping_time = data.ping_time;
session_info.jitter = data.jitter;
session_info.packet_loss = data.packet_loss;
session_info.effective_latency = data.effective_latency;
session_info.mean_opinion_score = data.mean_opinion_score;
session_info.restarts = data.restarts;
if (socket_emits == 0) {
data_array = {};
data_array.type = 'webrtc_log_data_full';
data_array.connection_protocol = session_info.protocol;
data_array.threshold = 0;
data_array.curr_delay = session_info.curr_delay;
data_array.session_length = session_info.session_length;
data_array.date = current_time;
data_array.browser_codename = session_info.browser_codename;
data_array.browser_name = session_info.browser_name;
data_array.user_agent = session_info.user_agent;
data_array.browser_version = session_info.browser_version;
data_array.cookies_enabled = session_info.cookies_enabled;
data_array.platform = session_info.platform;
data_array.player_version = session_info.player_version;
data_array.stream = session_info.stream;
data_array.restarts = session_info.restarts;
data_array.delay_target = 0;
data_array.op_sys = '';
data_array.flash_version = '';
data_array.remote_ip = session_info.remote_ip;
data_array.http_referrer = session_info.http_referrer;
data_array.php_session_id = session_info.php_session_id;
data_array.user_email = session_info.session_email;
data_array.webrtc_protocol = session_info.protocol;
data_array.ping_time = session_info.ping_time;
data_array.jitter = session_info.jitter;
data_array.packet_loss = session_info.packet_loss;
data_array.effective_latency = session_info.effective_latency;
data_array.mean_opinion_score = session_info.mean_opinion_score;
data_array.session_id = session_info.session_id;
msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
else {
data_array = {};
data_array.type = 'webrtc_log_data';
data_array.session_id = session_info.session_id;
data_array.php_session_id = session_info.php_session_id;
data_array.connection_protocol = session_info.protocol;
data_array.restarts = session_info.restarts;
data_array.threshold = 0;
data_array.curr_delay = session_info.curr_delay;
data_array.session_length = session_info.session_length;
data_array.date = current_time;
data_array.webrtc_protocol = session_info.protocol;
data_array.ping_time = session_info.ping_time;
data_array.jitter = session_info.jitter;
data_array.packet_loss = session_info.packet_loss;
data_array.effective_latency = session_info.effective_latency;
data_array.mean_opinion_score = session_info.mean_opinion_score;
data_array.stream = session_info.stream;
msg_string = JSON.stringify(data_array);
if (socket.readyState == 1) { socket.send(msg_string); }
}
socket_emits++;
if (socket_emits == 100) { socket_emits = 0; }
}