124 lines
3.5 KiB
JavaScript
124 lines
3.5 KiB
JavaScript
/* global chrome */
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if (window.location.protocol.startsWith("http")) {
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const log = (...args) => {
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try {
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if (localStorage.getItem("webrtc-internal-exporter:debug") === "true") {
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console.log.apply(null, [
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"[webrtc-internal-exporter:content-script]",
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...args,
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]);
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}
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} catch (error) {
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// Ignore localStorage errors.
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}
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};
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const injectScript = (file_path) => {
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const head = document.querySelector("head");
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const script = document.createElement("script");
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script.setAttribute("type", "text/javascript");
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script.setAttribute("src", file_path);
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head.appendChild(script);
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};
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setTimeout(() => injectScript(chrome.runtime.getURL("override.js")));
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// Handle options.
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const options = {
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url: "",
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enabled: false,
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updateInterval: 2000,
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enabledStats: [],
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};
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const sendOptions = () => {
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window.postMessage({
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event: "webrtc-internal-exporter:options",
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options,
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});
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};
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try {
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chrome.storage.sync
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.get(["url", "enabledOrigins", "updateInterval", "enabledStats"])
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.then((ret) => {
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log(`options loaded:`, ret);
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options.url = ret.url || "";
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options.enabled =
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ret.enabledOrigins &&
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ret.enabledOrigins[window.location.origin] === true;
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options.updateInterval = (ret.updateInterval || 2) * 1000;
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options.enabledStats = Object.values(ret.enabledStats || {});
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sendOptions();
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});
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chrome.storage.onChanged.addListener((changes, area) => {
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if (area !== "sync") return;
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let changed = false;
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for (let [key, { newValue }] of Object.entries(changes)) {
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if (key === "url") {
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options.url = newValue;
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changed = true;
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} else if (key === "enabledOrigins") {
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options.enabled = newValue[window.location.origin] === true;
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changed = true;
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} else if (key === "updateInterval") {
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options.updateInterval = newValue * 1000;
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changed = true;
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} else if (key === "enabledStats") {
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options.enabledStats = Object.values(newValue);
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changed = true;
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}
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}
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if (changed) {
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log(`options changed:`, options);
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sendOptions();
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}
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});
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// Handle stats messages.
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window.addEventListener("message", async (message) => {
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const { event, url, id, state, values, stats } = message.data;
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if (event === "webrtc-internal-exporter:ready") {
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sendOptions();
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} else if (event === "webrtc-internal-exporter:peer-connection-stats") {
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try {
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const response = await chrome.runtime.sendMessage({
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event: "peer-connection-stats",
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data: {
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url,
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id,
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state,
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values,
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},
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});
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if (response.error) {
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log(`error: ${response.error}`);
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}
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} catch (error) {
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log(`error: ${error.message}`);
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}
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} else if (event === "webrtc-internal-exporter:peer-connections-stats") {
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try {
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const response = await chrome.runtime.sendMessage({
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event: "peer-connections-stats",
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data: stats,
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});
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if (response.error) {
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log(`error: ${response.error}`);
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}
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} catch (error) {
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log(`error: ${error.message}`);
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}
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}
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});
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} catch (error) {
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console.error(
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`[webrtc-internal-exporter:content-script] error: ${error.message}`,
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error,
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);
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}
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}
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