89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
(function() {
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var httpsEnabled = window.location.protocol == "https:";
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var url = (httpsEnabled ? 'wss://' : 'ws://') + window.location.host + window.location.pathname + 'ws';
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var protocols = ["gotty"];
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var autoReconnect = -1;
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var openWs = function() {
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var ws = new WebSocket(url, protocols);
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var term;
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ws.onopen = function(event) {
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hterm.defaultStorage = new lib.Storage.Local();
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hterm.defaultStorage.clear();
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term = new hterm.Terminal();
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term.getPrefs().set("send-encoding", "raw");
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term.onTerminalReady = function() {
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var io = term.io.push();
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io.onVTKeystroke = function(str) {
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ws.send("0" + str);
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};
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io.sendString = io.onVTKeystroke;
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io.onTerminalResize = function(columns, rows) {
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ws.send(
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"1" + JSON.stringify(
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{
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columns: columns,
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rows: rows,
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}
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)
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)
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};
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term.installKeyboard();
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};
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term.decorate(document.getElementById("terminal"));
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};
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ws.onmessage = function(event) {
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data = event.data.slice(1);
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switch(event.data[0]) {
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case '0':
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term.io.writeUTF16(data);
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break;
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case '1':
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term.setWindowTitle(data);
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break;
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case '2':
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preferences = JSON.parse(data);
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Object.keys(preferences).forEach(function(key) {
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console.log("Setting " + key + ": " + preferences[key]);
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term.getPrefs().set(key, preferences[key]);
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});
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break;
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case '3':
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autoReconnect = JSON.parse(data);
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break;
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}
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}
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ws.onclose = function(event) {
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if (term) {
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term.uninstallKeyboard();
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term.io.showOverlay("Connection Closed", null);
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}
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tryReconnect();
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}
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ws.onerror = function(error) {
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tryReconnect();
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}
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}
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openWs();
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var tryReconnect = function() {
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if (autoReconnect >= 0) {
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setTimeout(openWs, autoReconnect * 1000);
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}
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}
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})()
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