forked from cory/tildefriends
sandboxos => tildefriends
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3157 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
403
core/client.js
Normal file
403
core/client.js
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@ -0,0 +1,403 @@
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"use strict";
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var gHaveIndex = -1;
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var gSessionId;
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var gCredentials;
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var gErrorCount = 0;
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function enter(event) {
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if (event.keyCode == 13) {
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send();
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event.preventDefault();
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} else if (event.keyCode == 186
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&& !event.metaKey
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&& !event.altKey
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&& !event.ctrlKey
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&& !event.shiftKey) {
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var value = $("#input").val();
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if (value && value[value.length - 1] == '\\') {
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$("#input").val(value.substring(0, value.length - 1) + ";");
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event.preventDefault();
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} else {
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storeTarget(value);
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$("#input").val("");
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event.preventDefault();
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}
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}
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}
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function url() {
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var hash = window.location.href.indexOf('#');
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var question = window.location.href.indexOf('?');
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var end = hash != -1 ? hash : question;
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return end != -1 ? window.location.href.substring(0, end) : window.location.href;
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}
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function storeTarget(target) {
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$("#target").text(target || "");
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}
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function split(container, children) {
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if (container) {
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while (container.firstChild) {
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container.removeChild(container.firstChild);
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}
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}
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if (children) {
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for (var i = 0; i < children.length; i++) {
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if (children[i].name) {
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var node = document.createElement("div");
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node.setAttribute("id", "terminal_" + children[i].name);
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var grow = children[i].grow || "1";
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var shrink = children[i].shrink || "1";
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var basis = children[i].basis || "auto";
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node.setAttribute("style", "flex: " + grow + " " + shrink + " " + basis);
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node.setAttribute("class", "terminal");
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container.appendChild(node);
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} else if (children[i].type) {
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node = document.createElement("div");
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if (children[i].type == "horizontal") {
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node.setAttribute("class", "hbox");
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} else if (children[i].type == "vertical") {
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node.setAttribute("class", "vbox");
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}
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container.appendChild(node);
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split(node, children[i].children);
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}
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}
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}
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}
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function receive() {
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$.ajax({
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url: url() + "/receive?sessionId=" + gSessionId,
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method: "POST",
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data: gHaveIndex.toString(),
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dataType: "json",
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}).then(function(data) {
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for (var i in data.lines) {
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var line = data.lines[i];
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var target = document.getElementsByClassName("terminal")[0].id;
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if (line && line.terminal) {
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if (document.getElementById("terminal_" + line.terminal)) {
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target = "terminal_" + line.terminal;
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}
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line = line.value;
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}
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if (line && line.action == "ping") {
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// PONG
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} else if (line && line.action == "session") {
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gSessionId = line.session.sessionId;
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gCredentials = line.session.credentials;
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updateLogin();
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} else if (line && line[0] && line[0].action == "ready") {
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if (window.location.hash) {
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send({event: "hashChange", hash: window.location.hash});
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}
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} else if (line && line[0] && line[0].action == "notify") {
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new Notification(line[0].title, line[0].options);
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} else if (line && line[0] && line[0].action == "title") {
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window.document.title = line[0].value;
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} else if (line && line[0] && line[0].action == "prompt") {
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var prompt = document.getElementById("prompt");
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while (prompt.firstChild) {
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prompt.removeChild(prompt.firstChild);
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}
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prompt.appendChild(document.createTextNode(line[0].value));
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} else if (line && line[0] && line[0].action == "password") {
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var prompt = document.getElementById("input");
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prompt.setAttribute("type", line[0].value ? "password" : "text");
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} else if (line && line[0] && line[0].action == "hash") {
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window.location.hash = line[0].value;
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} else if (line && line[0] && line[0].action == "update") {
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document.getElementById("update").setAttribute("Style", "display: inline");
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} else if (line && line[0] && line[0].action == "split") {
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split(document.getElementById("terminals"), line[0].options);
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} else if (line && line[0] && line[0].action == "postMessageToIframe") {
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var iframe = document.getElementById("iframe_" + line[0].name);
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if (iframe) {
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iframe.contentWindow.postMessage(line[0].message, "*");
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}
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} else {
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print(document.getElementById(target), line);
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}
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}
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if ("index" in data) {
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gHaveIndex = data.index;
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}
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receive();
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if (gErrorCount) {
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document.getElementById("status").setAttribute("style", "display: none");
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}
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gErrorCount = 0;
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}).fail(function(xhr, message, error) {
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var node = document.getElementById("status");
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while (node.firstChild) {
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node.removeChild(node.firstChild);
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}
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node.appendChild(document.createTextNode("ERROR: " + JSON.stringify([message, error])));
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node.setAttribute("style", "display: inline; color: #dc322f");
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if (gErrorCount < 60) {
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setTimeout(receive, 1000);
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} else {
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setTimeout(receive, 60 * 1000);
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}
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gErrorCount++;
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});
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}
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function autoNewLine(terminal) {
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terminal.appendChild(document.createElement("br"));
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}
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function print(terminal, data) {
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autoNewLine(terminal);
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printStructured(terminal, data);
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autoScroll(terminal);
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}
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function printStructured(container, data) {
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if (typeof data == "string") {
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container.appendChild(document.createTextNode(data));
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} else if (data && data[0] !== undefined) {
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for (var i in data) {
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printStructured(container, data[i]);
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}
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} else if (data && data.action == "clear") {
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while (container.firstChild) {
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container.removeChild(container.firstChild);
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}
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} else if (data) {
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var node;
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if (data.href) {
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node = document.createElement("a");
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node.setAttribute("href", data.href);
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node.setAttribute("target", "_blank");
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} else if (data.iframe) {
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node = document.createElement("iframe");
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node.setAttribute("srcdoc", data.iframe);
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node.setAttribute("sandbox", "allow-forms allow-scripts");
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node.setAttribute("width", data.width || 320);
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node.setAttribute("height", data.height || 240);
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if (data.name) {
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node.setAttribute("id", "iframe_" + data.name);
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}
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} else if (data.image) {
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node = document.createElement("img");
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node.setAttribute("src", data.image);
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} else {
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node = document.createElement("span");
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}
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if (data.style) {
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node.setAttribute("style", data.style);
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}
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if (data.class) {
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node.setAttribute("class", data.class);
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}
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var value = data.value || data.href || data.command || "";
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if (!value && data.message && data.stackTrace) {
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printStructured(node, data.message);
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node.appendChild(document.createElement("br"));
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printStructured(node, data.fileName + ":" + data.lineNumber + ":");
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node.appendChild(document.createElement("br"));
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if (data.stackTrace.length) {
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for (var i = 0; i < data.stackTrace.length; i++) {
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printStructured(node, data.stackTrace[i]);
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node.appendChild(document.createElement("br"));
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}
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} else {
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printStructured(node, data.sourceLine);
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}
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} else if (value === undefined) {
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printStructured(node, JSON.stringify(value));
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} else {
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printStructured(node, value);
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}
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if (data.command) {
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node.dataset.command = data.command;
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node.onclick = commandClick;
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node.setAttribute("class", "command");
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}
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container.appendChild(node);
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} else {
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printStructured(container, JSON.stringify(data));
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}
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}
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function commandClick() {
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send(this.dataset.command);
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$("#input").focus();
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}
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function autoScroll(terminal) {
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terminal.scrollTop = terminal.scrollHeight - terminal.clientHeight;
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}
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function send(command) {
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var value = command;
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if (!command) {
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var target = $("#target").text();
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var prefix = target ? target + " " : "";
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value = prefix + $("#input").val();
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$("#input").val("");
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}
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$.ajax({
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url: url() + "/send?sessionId=" + gSessionId,
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method: "POST",
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data: JSON.stringify(value),
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dataType: "text",
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}).fail(function(xhr, status, error) {
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var node = document.getElementById("status");
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while (node.firstChild) {
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node.removeChild(node.firstChild);
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}
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node.appendChild(document.createTextNode("Send failed: " + JSON.stringify([status, error])));
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node.setAttribute("style", "display: inline; color: #dc322f");
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});
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}
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function updateLogin() {
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var login = document.getElementById("login");
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while (login.firstChild) {
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login.removeChild(login.firstChild);
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}
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var a = document.createElement("a");
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if (gCredentials && gCredentials.session) {
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a.appendChild(document.createTextNode("logout " + gCredentials.session.name));
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a.setAttribute("href", "/login/logout?return=" + encodeURIComponent(url()));
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} else if (window.location.href.indexOf("?guest=1") != -1) {
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window.location.href = "/login?submit=Proceed+as+Guest&return=" + encodeURIComponent(url());
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} else {
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window.location.href = "/login?return=" + encodeURIComponent(url());
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}
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login.appendChild(a);
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}
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var gOriginalInput;
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function dragHover(event) {
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event.stopPropagation();
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event.preventDefault();
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if (event.type == "dragover") {
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if (!$("#input").hasClass("drop")) {
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$("#input").addClass("drop");
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gOriginalInput = $("#input").val();
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$("#input").val("drop file to upload");
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}
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} else {
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$("#input").removeClass("drop");
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$("#input").val(gOriginalInput);
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}
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}
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function fixImage(sourceData, maxWidth, maxHeight, callback) {
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var result = sourceData;
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var image = new Image();
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image.crossOrigin = "anonymous";
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image.referrerPolicy = "no-referrer";
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image.onload = function() {
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if (image.width > maxWidth || image.height > maxHeight) {
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var downScale = Math.min(maxWidth / image.width, maxHeight / image.height);
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var canvas = document.createElement("canvas");
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canvas.width = image.width * downScale;
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canvas.height = image.height * downScale;
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var context = canvas.getContext("2d");
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context.clearRect(0, 0, canvas.width, canvas.height);
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image.width = canvas.width;
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image.height = canvas.height;
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context.drawImage(image, 0, 0, image.width, image.height);
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result = canvas.toDataURL();
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}
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callback(result);
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};
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image.src = sourceData;
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}
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function sendImage(image) {
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fixImage(image, 320, 240, function(result) {
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send({image: result});
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});
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}
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function fileDropRead(event) {
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sendImage(event.target.result);
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}
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function fileDrop(event) {
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dragHover(event);
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var done = false;
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if (!done) {
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var files = event.target.files || event.dataTransfer.files;
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for (var i = 0; i < files.length; i++) {
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var file = files[i];
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if (file.type.substring(0, "image/".length) == "image/") {
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var reader = new FileReader();
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reader.onloadend = fileDropRead;
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reader.readAsDataURL(file);
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done = true;
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}
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}
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}
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if (!done) {
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var html = event.dataTransfer.getData("text/html");
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var match = /<img.*src="([^"]+)"/.exec(html);
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if (match) {
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sendImage(match[1]);
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done = true;
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}
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}
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if (!done) {
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var text = event.dataTransfer.getData("text/plain");
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if (text) {
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send(text);
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done = true;
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}
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}
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}
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function enableDragDrop() {
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var body = document.body;
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body.addEventListener("dragover", dragHover);
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body.addEventListener("dragleave", dragHover);
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body.addEventListener("drop", fileDrop);
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}
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function hashChange() {
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send({event: 'hashChange', hash: window.location.hash});
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}
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function focus() {
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send({event: "focus"});
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}
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function blur() {
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send({event: "blur"});
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}
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function onMessage(event) {
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send({event: "onWindowMessage", message: event.data});
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}
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$(document).ready(function() {
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if (Notification) {
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Notification.requestPermission();
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}
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$("#input").keydown(enter);
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$("#input").focus();
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window.addEventListener("hashchange", hashChange);
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window.addEventListener("focus", focus);
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window.addEventListener("blur", blur);
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window.addEventListener("message", onMessage, false);
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enableDragDrop();
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});
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$(window).load(function() {
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setTimeout(function() {
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receive();
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}, 0);
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});
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Reference in New Issue
Block a user