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Restrict browsing context lookup by name to frames that are related t…
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…o one another

https://bugs.webkit.org/show_bug.cgi?id=190475

Reviewed by Alex Christensen.

Source/WebCore:

Update our frame lookup by name logic to take in the active / requesting frame and
only a return a frame that is related to it. By related to it, I mean:
- Ancestor <-> Descendant relationship
- Opener <-> Openee relationship

Being able to look up unrelated frames makes process swapping difficult so we need
to be stricter.

This change is being discussed at:
- whatwg/html#313

Tests: http/tests/dom/new-window-can-target-opener.html
       http/tests/dom/noopener-window-cannot-target-opener.html
       http/tests/dom/noopener-window-not-targetable.html
       http/tests/dom/noopener-window-not-targetable2.html
       http/tests/dom/noreferrer-window-not-targetable.html
       http/tests/dom/opened-window-not-targetable-after-disowning-opener.html

* loader/FrameLoader.cpp:
(WebCore::FrameLoader::findFrameForNavigation):
* page/FrameTree.cpp:
(WebCore::isFrameFamiliarWith):
(WebCore::FrameTree::find const):
* page/FrameTree.h:
* rendering/HitTestResult.cpp:
(WebCore::HitTestResult::targetFrame const):

Source/WebKit:

* WebProcess/Plugins/PluginView.cpp:
(WebKit::PluginView::performJavaScriptURLRequest):

Source/WebKitLegacy/mac:

* WebView/WebFrame.mm:
(-[WebFrame findFrameNamed:]):

LayoutTests:

* http/tests/dom/new-window-can-target-opener-expected.txt: Added.
* http/tests/dom/new-window-can-target-opener.html: Added.
* http/tests/dom/noopener-window-cannot-target-opener-expected.txt: Added.
* http/tests/dom/noopener-window-cannot-target-opener.html: Added.
* http/tests/dom/noopener-window-not-targetable-expected.txt: Added.
* http/tests/dom/noopener-window-not-targetable.html: Added.
* http/tests/dom/noopener-window-not-targetable2-expected.txt: Added.
* http/tests/dom/noopener-window-not-targetable2.html: Added.
* http/tests/dom/noreferrer-window-not-targetable-expected.txt: Added.
* http/tests/dom/noreferrer-window-not-targetable.html: Added.
* http/tests/dom/opened-window-not-targetable-after-disowning-opener-expected.txt: Added.
* http/tests/dom/opened-window-not-targetable-after-disowning-opener.html: Added.
* http/tests/dom/resources/new-window-can-target-opener-win.html: Added.
* http/tests/dom/resources/noopener-window-cannot-target-opener-win.html: Added.
Add layout test coverage.

* fast/dom/Window/a-rel-noopener-expected.txt:
* fast/dom/Window/area-rel-noopener-expected.txt:
* fast/dom/Window/resources/rel-noopener.js:
* http/tests/navigation/no-referrer-target-blank-expected.txt:
* http/tests/navigation/resources/no-referrer-helper.php:
* platform/mac-wk1/imported/w3c/web-platform-tests/html/browsers/windows/noreferrer-window-name-expected.txt:
* platform/wk2/imported/w3c/web-platform-tests/html/browsers/windows/noreferrer-window-name-expected.txt:
Update / rebaseline existing tests to reflect behavior change.


Canonical link: https://commits.webkit.org/205486@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@237112 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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cdumez committed Oct 15, 2018
1 parent fd79fd4 commit 7b91738
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32 changes: 32 additions & 0 deletions LayoutTests/ChangeLog
Original file line number Diff line number Diff line change
@@ -1,3 +1,35 @@
2018-10-15 Chris Dumez <[email protected]>

Restrict browsing context lookup by name to frames that are related to one another
https://bugs.webkit.org/show_bug.cgi?id=190475

Reviewed by Alex Christensen.

* http/tests/dom/new-window-can-target-opener-expected.txt: Added.
* http/tests/dom/new-window-can-target-opener.html: Added.
* http/tests/dom/noopener-window-cannot-target-opener-expected.txt: Added.
* http/tests/dom/noopener-window-cannot-target-opener.html: Added.
* http/tests/dom/noopener-window-not-targetable-expected.txt: Added.
* http/tests/dom/noopener-window-not-targetable.html: Added.
* http/tests/dom/noopener-window-not-targetable2-expected.txt: Added.
* http/tests/dom/noopener-window-not-targetable2.html: Added.
* http/tests/dom/noreferrer-window-not-targetable-expected.txt: Added.
* http/tests/dom/noreferrer-window-not-targetable.html: Added.
* http/tests/dom/opened-window-not-targetable-after-disowning-opener-expected.txt: Added.
* http/tests/dom/opened-window-not-targetable-after-disowning-opener.html: Added.
* http/tests/dom/resources/new-window-can-target-opener-win.html: Added.
* http/tests/dom/resources/noopener-window-cannot-target-opener-win.html: Added.
Add layout test coverage.

* fast/dom/Window/a-rel-noopener-expected.txt:
* fast/dom/Window/area-rel-noopener-expected.txt:
* fast/dom/Window/resources/rel-noopener.js:
* http/tests/navigation/no-referrer-target-blank-expected.txt:
* http/tests/navigation/resources/no-referrer-helper.php:
* platform/mac-wk1/imported/w3c/web-platform-tests/html/browsers/windows/noreferrer-window-name-expected.txt:
* platform/wk2/imported/w3c/web-platform-tests/html/browsers/windows/noreferrer-window-name-expected.txt:
Update / rebaseline existing tests to reflect behavior change.

2018-10-15 YUHAN WU <[email protected]>

Implement error handler of MediaRecorder
Expand Down
3 changes: 2 additions & 1 deletion LayoutTests/fast/dom/Window/a-rel-noopener-expected.txt
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
CONSOLE MESSAGE: line 11: PASS: window.opener is null
Test that window.opener is null when a new window is opened from an anchor element with rel='noopener'.

PASS: window.opener is null

3 changes: 2 additions & 1 deletion LayoutTests/fast/dom/Window/area-rel-noopener-expected.txt
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
CONSOLE MESSAGE: line 11: PASS: window.opener is null
Test that window.opener is null when a new window is opened from an area element with rel='noopener'.


PASS: window.opener is null

5 changes: 2 additions & 3 deletions LayoutTests/fast/dom/Window/resources/rel-noopener.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,10 @@ if (window.testRunner) {
}

if (document.location.hash === "#new-window") {
var console = window.open("", "originalWindow").document.getElementById("console");
if (window.opener)
console.innerText = "FAIL: window.opener is non-null";
console.log("FAIL: window.opener is non-null");
else
console.innerText = "PASS: window.opener is null";
console.log("PASS: window.opener is null");
testRunner.notifyDone();
} else {
window.name = "originalWindow";
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
CONSOLE MESSAGE: line 15: PASS: New window should have an opener
CONSOLE MESSAGE: line 21: PASS: New window should be able to look up opener by name
CONSOLE MESSAGE: line 27: PASS: New window should have URL 'http://127.0.0.1:8000/dom/new-window-can-target-opener.html'
Make sure that windows opened via window.open can target their opener

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".



20 changes: 20 additions & 0 deletions LayoutTests/http/tests/dom/new-window-can-target-opener.html
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@@ -0,0 +1,20 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
description("Make sure that windows opened via window.open can target their opener");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
window.name = "opener";
w = open("resources/new-window-can-target-opener-win.html", "");
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
CONSOLE MESSAGE: line 17: PASS: New window should not have an opener
CONSOLE MESSAGE: line 21: PASS: New window should have URL 'about:blank'
Make sure that windows opened with 'noopener' via window.open cannot target their opener.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS w is null

Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
description("Make sure that windows opened with 'noopener' via window.open cannot target their opener.");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
window.name = "opener";
w = open("resources/noopener-window-cannot-target-opener-win.html", "", "noopener");
shouldBeNull("w");
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
Make sure that windows opened with 'noopener' via an anchor are not targetable. If testing manually, you should see 2 tabs open.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS w.location.href is "about:blank"
PASS testRunner.windowCount() is 3
PASS successfullyParsed is true

TEST COMPLETE

30 changes: 30 additions & 0 deletions LayoutTests/http/tests/dom/noopener-window-not-targetable.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<a id="testLink" target="foo" rel="noopener" href="/navigation/resources/otherpage.html"></a>
<script>
description("Make sure that windows opened with 'noopener' via an anchor are not targetable. If testing manually, you should see 2 tabs open.");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
testLink.click();

setTimeout(function() {
w = open("/navigation/resources/otherpage.html", "foo"); // Should create a new window.
shouldBeEqualToString("w.location.href", "about:blank");
w.onload = function() {
if (window.testRunner)
shouldBe("testRunner.windowCount()", "3");
finishJSTest();
}
}, 100);
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
Make sure that windows opened with 'noopener' via window.open are not targetable. If testing manually, you should see 2 tabs open.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS w is null
PASS w.location.href is "about:blank"
PASS testRunner.windowCount() is 3
PASS successfullyParsed is true

TEST COMPLETE

30 changes: 30 additions & 0 deletions LayoutTests/http/tests/dom/noopener-window-not-targetable2.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
description("Make sure that windows opened with 'noopener' via window.open are not targetable. If testing manually, you should see 2 tabs open.");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
w = window.open("/navigation/resources/otherpage.html", "foo", "noopener");
shouldBeNull("w");

setTimeout(function() {
w = open("/navigation/resources/otherpage.html", "foo"); // Should create a new window.
shouldBeEqualToString("w.location.href", "about:blank");
w.onload = function() {
if (window.testRunner)
shouldBe("testRunner.windowCount()", "3");
finishJSTest();
}
}, 100);
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
Make sure that windows opened with 'noreferrer' are not targetable. If testing manually, you should see 2 tabs open.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS w.location.href is "about:blank"
PASS testRunner.windowCount() is 3
PASS successfullyParsed is true

TEST COMPLETE

29 changes: 29 additions & 0 deletions LayoutTests/http/tests/dom/noreferrer-window-not-targetable.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<a id="testLink" target="foo" rel="noreferrer" href="/navigation/resources/otherpage.html"></a>
<script>
description("Make sure that windows opened with 'noreferrer' are not targetable. If testing manually, you should see 2 tabs open.");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
testLink.click();
setTimeout(function() {
w = open("/navigation/resources/otherpage.html", "foo"); // Should create a new window.
shouldBeEqualToString("w.location.href", "about:blank");
w.onload = function() {
if (window.testRunner)
shouldBe("testRunner.windowCount()", "3");
finishJSTest();
}
}, 100);
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
Make sure that windows opened via window.open are not targetable by their opener after it is disowned. If testing manually, you should see 2 tabs open.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS w.location.href is "about:blank"
PASS testRunner.windowCount() is 3
PASS successfullyParsed is true

TEST COMPLETE

Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
description("Make sure that windows opened via window.open are not targetable by their opener after it is disowned. If testing manually, you should see 2 tabs open.");
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
w = window.open("/navigation/resources/otherpage.html", "foo");
w.opener = null;

setTimeout(function() {
w = open("/navigation/resources/otherpage.html", "foo"); // Should create a new window.
shouldBeEqualToString("w.location.href", "about:blank");
w.onload = function() {
if (window.testRunner)
shouldBe("testRunner.windowCount()", "3");
finishJSTest();
}
}, 100);
}
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
if (window.opener)
console.log("PASS: New window should have an opener");
else
console.log("FAIL: New window should have an opener");

openerByName = open("", "opener"); // Should return the opener.
if (openerByName === opener)
console.log("PASS: New window should be able to look up opener by name");
else
console.log("FAIL: New window should be able to look up opener by name");

const expectedOpenerURL = "http://127.0.0.1:8000/dom/new-window-can-target-opener.html";
if (openerByName.location.href == expectedOpenerURL)
console.log("PASS: New window should have URL '" + expectedOpenerURL + "'");
else
console.log("FAIL: New window should have URL '" + expectedOpenerURL + "' but got '" + openerByName.location.href + "'");

finishJSTest();
};
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
jsTestIsAsync = true;

if (window.testRunner)
testRunner.setCanOpenWindows();

onload = function() {
if (window.opener)
console.log("FAIL: New window should not have an opener");
else
console.log("PASS: New window should not have an opener");

opener = open("", "opener"); // Should open a new window.
if (opener.location.href == "about:blank")
console.log("PASS: New window should have URL 'about:blank'");
else
console.log("FAIL: New window should have URL 'about:blank' but got '" + opener.location.href + "'");

finishJSTest();
};
</script>
</body>
</html>
Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
CONSOLE MESSAGE: line 15: Referrer: http://127.0.0.1:8000/navigation/resources/no-referrer-reset-helper.php
CONSOLE MESSAGE: line 16: window.opener: http://127.0.0.1:8000/navigation/no-referrer-reset.html
This tests whether referrer information gets properly set and reset when "noreferrer" links are present. We do the following:
1. Open a link in a new window: referrer is sent and window.opener is sent.
2. Click a rel="noreferrer" link: referrer is null, but window.opener remains set since the link was not opened with target="_blank".
Expand All @@ -7,5 +9,3 @@ Referrer: http://127.0.0.1:8000/navigation/no-referrer-reset.html
window.opener: http://127.0.0.1:8000/navigation/no-referrer-reset.html
Referrer:
window.opener: http://127.0.0.1:8000/navigation/no-referrer-reset.html
Referrer: http://127.0.0.1:8000/navigation/resources/no-referrer-reset-helper.php
window.opener: http://127.0.0.1:8000/navigation/no-referrer-reset.html
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
CONSOLE MESSAGE: line 15: Referrer:
CONSOLE MESSAGE: line 16: window.opener:
This tests behavior of "noreferrer" links in subframes. A referrer should not be sent and window.opener should remain null.
Load subframe
Referrer:
window.opener:

Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
CONSOLE MESSAGE: line 15: Referrer:
CONSOLE MESSAGE: line 16: window.opener:
This tests the functionality of the "noreferrer" link relation on anchor tags. The link below should not send an http referrer, and the resulting window should have its opener attribute set to null. The values of the referrer and window.opener should be empty below.
Start no referrer test
Referrer:
window.opener:

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