blob: db4d30b952ee154d82a2e15280329727b5966b59 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class BackendApiForwarder {
constructor() {
chrome.runtime.onConnect.addListener(this.onConnect.bind(this));
}
onConnect(port) {
if (port.name !== 'backend-api-forwarder') { return; }
let tabId;
if (!(
port.sender &&
port.sender.tab &&
(typeof (tabId = port.sender.tab.id)) === 'number'
)) {
port.disconnect();
return;
}
const forwardPort = chrome.tabs.connect(tabId, {name: 'frontend-api-receiver'});
port.onMessage.addListener((message) => forwardPort.postMessage(message));
forwardPort.onMessage.addListener((message) => port.postMessage(message));
port.onDisconnect.addListener(() => forwardPort.disconnect());
forwardPort.onDisconnect.addListener(() => port.disconnect());
}
}
|