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edge.js
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edge.js
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const setup = require('./index');
describe('special cases', () => {
beforeEach(setup);
it('should fail to use atob of an iframe that was attached as cross origin and then redirected back to same origin', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const ifr = document.createElement('iframe');
ifr.src = "https://x.com";
testdiv.appendChild(ifr);
const zzz = ifr.contentWindow;
setTimeout(() => {
ifr.src = "about:blank";
setTimeout(() => {
bypass([zzz]);
}, 1000);
}, 1000);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe that was attached as cross origin and then redirected back to same origin (complex)', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const ifr = document.createElement('iframe');
ifr.src = "https://x.com";
testdiv.appendChild(ifr);
const zzz = ifr.contentWindow;
setTimeout(() => {
ifr.src = "about:blank";
setTimeout(() => {
ifr.src = "https://x.com";
setTimeout(() => {
ifr.src = "about:blank";
setTimeout(() => {
bypass([zzz]);
}, 1000);
}, 1000);
}, 1000);
}, 1000);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an embed that was cross origin and then same origin', async () => {
if (global.BROWSER === 'SAFARI') {
return; // redirecting EMBED by updating src does not work in safari
}
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
testdiv1.innerHTML = ('<embed id="temp_id_1" type="text/html" src="/">');
testdiv2.innerHTML = ('<embed id="temp_id_2" type="text/html" src="https://x.com">');
setTimeout(() => {
temp_id_2.src = temp_id_1.src;
temp_id_1.src = 'https://x.com';
setTimeout(() => {
temp_id_1.src = temp_id_2.src;
setTimeout(() => {
bypass([window[0], window[1]]);
}, 1000);
}, 1000);
}, 1000);
}());
});
expect(result).toBe('V,V');
});
it('should fail to use atob of an object that was cross origin and then same origin', async () => {
if (global.BROWSER === 'SAFARI') {
return; // redirecting EMBED by updating src does not work in safari
}
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
testdiv1.innerHTML = ('<object id="temp_id_1" type="text/html" data="/">');
testdiv2.innerHTML = ('<object id="temp_id_2" type="text/html" data="https://x.com">');
setTimeout(() => {
temp_id_2.data = temp_id_1.data;
temp_id_1.data = 'https://x.com';
setTimeout(() => {
temp_id_1.data = temp_id_2.data;
setTimeout(() => {
bypass([window[0], window[1]]);
}, 1000);
}, 1000);
}, 1000);
}());
});
expect(result).toBe('V,V');
});
it('should fail to use atob of an iframe that was reattached to dom', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const ifr = document.createElement('iframe');
testdiv.appendChild(ifr);
setTimeout(() => {
ifr.remove();
setTimeout(() => {
testdiv.appendChild(ifr);
bypass([ifr.contentWindow]);
});
});
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe within an iframe within an iframe', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const rnd = Math.random().toString(36).substring(7);
window[rnd] = bypass;
const ifr = document.createElement('iframe');
ifr.onload = () => {
const ifr2 = ifr.contentWindow.document.createElement('iframe');
ifr2.addEventListener('load', () => {
const ifr3 = ifr2.contentWindow.document.createElement('iframe');
ifr3.onload = () => {
top[rnd]([ifr3.contentWindow]);
};
ifr2.contentWindow.document.body.appendChild(ifr3);
});
ifr.contentWindow.document.body.appendChild(ifr2);
};
testdiv.appendChild(ifr);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe that had its document written', async () => {
if (global.BROWSER === 'FIREFOX') {
return; // document.write API not working on Firefox automation
}
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const ifr = document.createElement('iframe');
testdiv.appendChild(ifr);
ifr.contentDocument.write('<iframe id="xxx"></iframe>')
bypass([ifr.contentWindow.xxx.contentWindow]);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe that had its document written-ln', async () => {
if (global.BROWSER === 'FIREFOX') {
return; // document.write API not working on Firefox automation
}
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const ifr = document.createElement('iframe');
testdiv.appendChild(ifr);
ifr.contentDocument.writeln('<iframe id="xxx"></iframe>')
bypass([ifr.contentWindow.xxx.contentWindow]);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe when all element in DOM changed their own toString behaviour', async () => {
// reference: https://github.com/LavaMoat/snow/issues/9
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
const all = document.querySelectorAll('*');
const fr = document.createElement('iframe');
for (const node of [...all, fr]) {
Object.defineProperty(node, Symbol.toStringTag, {value: 'bypassResetOnload'});
}
fr.onload = () => {
bypass([fr.contentWindow]);
};
testdiv.appendChild(fr);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe of javascript: URI created with srcdoc', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
top.bypass = bypass;
const f = document.createElement('iframe');
f.srcdoc = '<iframe src="javasCript\:top.bypass([window])"></iframe>';
testdiv.appendChild(f);
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe of javascript: URI created with srcdoc with innerHTML', async () => {
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
top.bypass = bypass;
testdiv.innerHTML = ('<iframe srcdoc="<iframe src=\'javascript:top.bypass([window])\'</iframe>"></iframe>');
}());
});
expect(result).toBe('V');
});
it('should fail to use atob of an iframe of javascript: URI created with srcdoc with document.write', async () => {
if (global.BROWSER === 'FIREFOX') {
return; // document.write API not working on Firefox automation
}
const result = await browser.executeAsync(function(done) {
const bypass = (wins) => done(wins.map(win => (win && win.atob ? win : top).atob('WA==')).join(','));
(function(){
top.bypass = bypass;
document.write('<iframe srcdoc="<iframe src=\'javascript:top.bypass([window])\'</iframe>"></iframe>');
}());
});
expect(result).toBe('V');
});
});