136 lines
4.8 KiB
JavaScript
136 lines
4.8 KiB
JavaScript
//
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// scriptPauser.js
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//
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// Created by Zach Fox on 2019-02-26
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// Copyright 2019 High Fidelity, Inc.
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//
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// See accompanying README.md for usage instructions.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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(function () {
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// The names of scripts to pause.
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// Populated from userData.
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// The script names in the `fuzzyMatch` array can be partial script names.
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// That makes using fuzzy matching MORE DANGEROUS!
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// The script names in the `exactMatch` array must match the script to be paused exactly.
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var scriptsToStopFuzzyMatch = [];
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var scriptsToStopExactMatch = [];
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// This is a list of apps that this entity script explicitly stopped.
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// The scripts in this list will be restarted once this entity script is unloaded.
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var pausedAppList = [];
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// This function will put up a text banner notification informing the user that one
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// of their scripts has been temporarily paused.
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function notifyStoppedScript(scriptName) {
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var text = "You are not allowed to run '" + scriptName +
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"' in this place, so that script has been stopped. Go to a different place and it will restart.";
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Window.displayAnnouncement(text);
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}
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// When this interval expires, Script Pauser will check for blacklisted scripts and pause them.
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var scriptPauserInterval = false;
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var PAUSE_SCRIPTS_INTERVAL_MS = 10000;
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function pauseScripts() {
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var properties = Entities.getEntityProperties(_this.entityID, ["userData"]);
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var userData;
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scriptsToStopFuzzyMatch = [];
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scriptsToStopExactMatch = [];
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try {
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userData = JSON.parse(properties.userData);
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} catch (e) {
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console.error("Error parsing userData: ", e);
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return;
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}
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if (userData) {
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if (userData.fuzzyScriptNames) {
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if (Array.isArray(userData.fuzzyScriptNames)) {
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(userData.fuzzyScriptNames).forEach(function(scriptName) {
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if (scriptsToStopFuzzyMatch.indexOf(scriptName) === -1) {
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scriptsToStopFuzzyMatch.push(scriptName);
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}
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});
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}
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}
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if (userData.exactScriptNames) {
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if (Array.isArray(userData.exactScriptNames)) {
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(userData.exactScriptNames).forEach(function(scriptName) {
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if (scriptsToStopExactMatch.indexOf(scriptName) === -1) {
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scriptsToStopExactMatch.push(scriptName);
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}
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});
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}
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}
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}
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var currentlyRunningScripts = ScriptDiscoveryService.getRunning();
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for (var i = 0; i < currentlyRunningScripts.length; i++) {
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var currentScriptObject = currentlyRunningScripts[i];
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for (var j = 0; j < scriptsToStopFuzzyMatch.length; j++) {
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var currentFuzzyScriptName = scriptsToStopFuzzyMatch[j].toLowerCase();
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if (((currentScriptObject.name).toLowerCase()).indexOf(currentFuzzyScriptName) > -1) {
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ScriptDiscoveryService.stopScript(currentScriptObject.url);
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notifyStoppedScript(currentScriptObject.name);
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if (pausedAppList.indexOf(currentScriptObject.url) === -1) {
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pausedAppList.push(currentScriptObject.url);
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}
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}
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}
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for (var k = 0; k < scriptsToStopExactMatch.length; k++) {
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var currentExactScriptName = scriptsToStopExactMatch[k];
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if (currentScriptObject.name === currentExactScriptName) {
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ScriptDiscoveryService.stopScript(currentScriptObject.url);
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notifyStoppedScript(currentScriptObject.name);
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if (pausedAppList.indexOf(currentScriptObject.url) === -1) {
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pausedAppList.push(currentScriptObject.url);
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}
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}
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}
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}
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}
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var _this;
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var ScriptPauser = function() {
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_this = this;
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};
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ScriptPauser.prototype = {
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preload: function (id) {
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_this.entityID = id;
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scriptPauserInterval = Script.setInterval(pauseScripts, PAUSE_SCRIPTS_INTERVAL_MS);
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pauseScripts();
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},
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unload: function() {
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if (scriptPauserInterval) {
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Script.clearInterval(scriptPauserInterval);
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scriptPauserInterval = false;
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}
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pausedAppList.forEach(function(url) {
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ScriptDiscoveryService.loadScript(url);
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});
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}
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};
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return new ScriptPauser();
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});
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