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Adding the ability to register a single script using the "script" attribute at the map property level.

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This commit is contained in:
David Négrier 2021-03-07 21:02:38 +01:00
parent 7d67f55012
commit 6fbf165c91
7 changed files with 202 additions and 3 deletions
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67
front/src/Api/IframeListener.ts
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@ -2,6 +2,8 @@ import {Subject} from "rxjs";
import {ChatEvent, isChatEvent} from "./Events/ChatEvent";
import {IframeEvent, isIframeEventWrapper} from "./Events/IframeEvent";
import {UserInputChatEvent} from "./Events/UserInputChatEvent";
import * as crypto from "crypto";
import {HtmlUtils} from "../WebRtc/HtmlUtils";
@ -14,6 +16,7 @@ class IframeListener {
public readonly chatStream = this._chatStream.asObservable();
private readonly iframes = new Set<HTMLIFrameElement>();
private readonly scripts = new Map<string, HTMLIFrameElement>();
init() {
window.addEventListener("message", (message) => {
@ -54,6 +57,70 @@ class IframeListener {
this.iframes.delete(iframe);
}
registerScript(scriptUrl: string): void {
console.log('Loading map related script at ', scriptUrl)
if (!process.env.NODE_ENV || process.env.NODE_ENV === 'development') {
// Using external iframe mode (
const iframe = document.createElement('iframe');
iframe.id = this.getIFrameId(scriptUrl);
iframe.style.display = 'none';
iframe.src = '/iframe.html?script='+encodeURIComponent(scriptUrl);
// We are putting a sandbox on this script because it will run in the same domain as the main website.
iframe.sandbox.add('allow-scripts');
iframe.sandbox.add('allow-top-navigation-by-user-activation');
document.body.prepend(iframe);
this.scripts.set(scriptUrl, iframe);
this.registerIframe(iframe);
} else {
// production code
const iframe = document.createElement('iframe');
iframe.id = this.getIFrameId(scriptUrl);
// We are putting a sandbox on this script because it will run in the same domain as the main website.
iframe.sandbox.add('allow-scripts');
iframe.sandbox.add('allow-top-navigation-by-user-activation');
const html = '<!doctype html>\n' +
'\n' +
'<html lang="en">\n' +
'<head>\n' +
'<script src="'+window.location.protocol+'//'+window.location.host+'/iframe_api.js" ></script>\n' +
'<script src="'+scriptUrl+'" ></script>\n' +
'</head>\n' +
'</html>\n';
//iframe.src = "data:text/html;charset=utf-8," + escape(html);
iframe.srcdoc = html;
document.body.prepend(iframe);
this.scripts.set(scriptUrl, iframe);
this.registerIframe(iframe);
}
}
private getIFrameId(scriptUrl: string): string {
return 'script'+crypto.createHash('md5').update(scriptUrl).digest("hex");
}
unregisterScript(scriptUrl: string): void {
const iFrameId = this.getIFrameId(scriptUrl);
const iframe = HtmlUtils.getElementByIdOrFail<HTMLIFrameElement>(iFrameId);
if (!iframe) {
throw new Error('Unknown iframe for script "'+scriptUrl+'"');
}
this.unregisterIframe(iframe);
iframe.remove();
this.scripts.delete(scriptUrl);
}
sendUserInputChat(message: string) {
this.postMessage({
'type': 'userInputChat',