CoCalc is a real-time collaborative commercial alternative to JupyterHub and Overleaf that provides Jupyter Notebooks, LaTeX documents, and SageMath.

1
/**
2
 * background.js
3
 * 
4
 * modified by gemsvidø for firefox support
5
 */
6

7

8

9
/** CSP and X-Frame headers */
10
const HEADERS_TO_STRIP_LOWERCASE = [
11
	"content-security-policy",
12
	"x-frame-options",
13
];
14

15
// Remove CSP and X-Frame headers on all Prodigy domains
16
browser.webRequest.onHeadersReceived.addListener(
17
	details => ({
18
		responseHeaders: details.responseHeaders.filter(header => !HEADERS_TO_STRIP_LOWERCASE.includes(header.name.toLowerCase()))
19
	}),
20
	{ urls: ["*://*.prodigygame.com/*"] },
21
	["blocking", "responseHeaders"]
22
);
23

24

25

26

27

28

29
/** Set a value in the local storage */
30
function set(key, value) {
31
	browser.storage.local.set({ [key]: value });
32
};
33

34
/** Get a value from the local storage */
35
function get(key) {
36
	return new Promise(resolve => {
37
		browser.storage.local.get([key], result => {
38
			resolve(result[key]);
39
		})
40
	})
41
};
42

43

44

45
// Redirect Requests
46
browser.webRequest.onBeforeRequest.addListener(async details => {
47

48
	/** Custom P-NP URL */
49
	const url = await get("url");
50

51
	/** Use custom URL */
52
	const checked = await get("checked");
53

54
	/** P-NP URL to be used */
55
	const redirectorDomain = (url && checked) ? url : await (await fetch("https://infinitezero.net/domain")).text();
56

57

58
	// If hacks are offline, show an alert 
59
	if (details.url.startsWith("https://code.prodigygame.com/code/") && details.url.includes("/game.min.js")) {
60
		fetch("https://raw.githubusercontent.com/ProdigyPNP/ProdigyMathGameHacking/master/PHEx/status.json").then(response => response.json()).then(async data => {
61
			if (data.offline == true) {
62

63
				if (swal) {
64
					swal.fire({
65
						title: "Oh no!",
66
						html: `Our hacks are currently having some issues, and we're working on it.`,
67
						icon: "error"
68
					});
69
				} else {
70
					const res = confirm(`Uh Oh! Hacks look to be down. Hit OK to go to our discord to get updates on when they'll go back up!`);
71
					if (res) location = "https://dsc.gg/ProdigyPNP";
72
				}
73
			}
74
		});
75

76
		// Block game.min.js
77
		browser.webRequest.onBeforeRequest.addListener(
78
			_ => ({ cancel: true }),
79
			{ urls: ["*://code.prodigygame.com/code/*"] },
80
			["blocking"],
81
		);
82

83
		// see disableIntegrity.js, we append the new game.min to the document
84
		return { cancel: true };
85

86
	// Public gamemin
87
	} else if (details.url.startsWith("https://code.prodigygame.com/js/public-game")) {
88

89

90
		const hash = new String(details.url.split("public-game-")[1].split(".")[0]).valueOf();
91
		console.log("Public gamemin hash: " + hash)
92

93
		// add a redirectUrl header which should redirect public gamemin to our hacked public gamemin.
94
		return {
95
			redirectUrl: `${redirectorDomain}/public-game.min.js?hash=${hash}&updated=${Date.now()}`
96
		};
97
	}
98

99

100
}, {
101

102
	// Block gamemin and public gamemin
103
	urls: [
104
		"*://code.prodigygame.com/code/*/game.min.js*",
105
		"*://code.prodigygame.com/js/public-game-*.min.js*"
106
	],
107
	types: ["main_frame", "sub_frame", "stylesheet", "script", "image", "font", "object", "xmlhttprequest", "ping", "csp_report", "media", "websocket", "other"],
108
}, ["blocking"]);
109