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Add cross-site ancestor flag to environment. (privacycg/storage-parti… #8036

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Add cross-site ancestor flag to environment. (privacycg/storage-parti… #8036

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66 changes: 55 additions & 11 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -82005,9 +82005,18 @@ popup4.close();</code></pre></div>
otherwise <var>embedder</var>'s <span>relevant settings object</span>'s <span>top-level
origin</span>.</p></li>

<li><p>Let <var>crossSiteAncestorFlag</var> be false if <var>embedder</var> is null; otherwise
<var>embedder</var>'s <span data-x="concept-environment-cross-site-ancestor">cross-site ancestor
flag</span>.</p></li>

<li><p>If <var>crossSiteAncestorFlag</var> is false, <var>embedder</var> is not null, and
<var>origin</var> is not <span>same site</span> with <var>embedder</var>'s <span
data-x="concept-settings-object-origin">origin</span>, then set <var>crossSiteAncestorFlag</var>
to true.</p></li>

<li><p><span>Set up a window environment settings object</span> with <code>about:blank</code>,
<var>realm execution context</var>, null, <var>topLevelCreationURL</var>, and
<var>topLevelOrigin</var>.</p></li>
<var>realm execution context</var>, null, <var>topLevelCreationURL</var>,
<var>topLevelOrigin</var>, and <var>crossSiteAncestorFlag</var>.</p></li>

<li><p>Let <var>loadTimingInfo</var> be a new <span>document load timing info</span> with
its <span>navigation start time</span> set to the result of calling <span>coarsen time</span>
Expand Down Expand Up @@ -84300,8 +84309,8 @@ interface <dfn interface>BarProp</dfn> {
<p>To <dfn>set up a window environment settings object</dfn>, given a <span>URL</span>
<var>creationURL</var>, a <span>JavaScript execution context</span> <var>execution context</var>,
null or an <span>environment</span> <var>reservedEnvironment</var>, a <span>URL</span>
<var>topLevelCreationURL</var>, and an <span>origin</span> <var>topLevelOrigin</var>, run these
steps:</p>
<var>topLevelCreationURL</var>, an <span>origin</span> <var>topLevelOrigin</var>, and a boolean
<var>crossSiteAncestorFlag</var>, run these steps:</p>

<ol>
<li><p>Let <var>realm</var> be the value of <var>execution context</var>'s Realm
Expand Down Expand Up @@ -84410,8 +84419,10 @@ interface <dfn interface>BarProp</dfn> {

<li><p>Set <var>settings object</var>'s <span data-x="concept-environment-creation-url">creation
URL</span> to <var>creationURL</var>, <var>settings object</var>'s <span>top-level creation
URL</span> to <var>topLevelCreationURL</var>, and <var>settings object</var>'s <span>top-level
origin</span> to <var>topLevelOrigin</var>.</p></li>
URL</span> to <var>topLevelCreationURL</var>, <var>settings object</var>'s <span>top-level
origin</span> to <var>topLevelOrigin</var>, and <var>settings object</var>'s <span
data-x="concept-environment-cross-site-ancestor">cross-site ancestor flag</span> to
<var>crossSiteAncestorFlag</var>.</p></li>

<li><p>Set <var>realm</var>'s [[HostDefined]] field to <var>settings object</var>.</p></li>
</ol>
Expand Down Expand Up @@ -89817,6 +89828,8 @@ interface <dfn interface>Location</dfn> { // but see also <a href="#the-location

<li><p>Let <var>topLevelOrigin</var> be null.</p></li>

<li><p>Let <var>crossSiteAncestorFlag</var> be false.</p></li>

<li>
<p>If <var>browsingContext</var> is not a <span>top-level browsing context</span>, then:</p>

Expand All @@ -89827,6 +89840,14 @@ interface <dfn interface>Location</dfn> { // but see also <a href="#the-location
<li><p>Set <var>topLevelCreationURL</var> to <var>parentEnvironment</var>'s <span>top-level
creation URL</span> and <var>topLevelOrigin</var> to <var>parentEnvironment</var>'s
<span>top-level origin</span>.</p></li>

<li><p>Set <var>crossSiteAncestorFlag</var> to <var>parentEnvironment</var>'s <span
data-x="concept-environment-cross-site-ancestor">cross-site ancestor flag</span>.</p></li>

<li><p>If <var>crossSiteAncestorFlag</var> is false and <var>parentEnvironment</var>'s
<span data-x="concept-settings-object-origin">origin</span> is not <span>same site</span>
with <var>currentURL</var>'s <span data-x="concept-url-origin">origin</span>, then set
<var>crossSiteAncestorFlag</var> to true.
</ol>
</li>

Expand All @@ -89837,8 +89858,9 @@ interface <dfn interface>Location</dfn> { // but see also <a href="#the-location
data-x="concept-environment-target-browsing-context">target browsing context</span> is
<var>browsingContext</var>, <span data-x="concept-environment-creation-url">creation
URL</span> is <var>currentURL</var>, <span>top-level creation URL</span> is
<var>topLevelCreationURL</var>, and <span>top-level origin</span> is
<var>topLevelOrigin</var>.</p>
<var>topLevelCreationURL</var>, <span>top-level origin</span> is
<var>topLevelOrigin</var>, and <span data-x="concept-environment-cross-site-ancestor">
cross-site ancestor flag</span> is <var>crossSiteAncestorFlag</var>.</p>

<p class="note">The created environment's <span
data-x="concept-environment-active-service-worker">active service worker</span> is set in
Expand Down Expand Up @@ -90462,6 +90484,8 @@ interface <dfn interface>Location</dfn> { // but see also <a href="#the-location
<li><p>Let <var>topLevelOrigin</var> be <var>navigationParams</var>'s <span
data-x="navigation-params-request">origin</span>.</p></li>

<li><p>Let <var>crossSiteAncestorFlag</var> be false.</p></li>

<li>
<p>If <var>browsingContext</var> is not a <span>top-level browsing context</span>, then:</p>

Expand All @@ -90474,13 +90498,22 @@ interface <dfn interface>Location</dfn> { // but see also <a href="#the-location

<li><p>Set <var>topLevelOrigin</var> to <var>parentEnvironment</var>'s <span>top-level
origin</span>.</p></li>

<li><p>Set <var>crossSiteAncestorFlag</var> to <var>parentEnvironment</var>'s <span
data-x="concept-environment-cross-site-ancestor">cross-site ancestor flag</span>.</p></li>

<li><p>If <var>crossSiteAncestorFlag</var> is false and <var>navigationParams</var>'s <span
data-x="navigation-params-request">origin</span> is not <span>same site</span> with
<var>parentEnvironment</var>'s <span data-x="concept-settings-object-origin">origin</span>,
then set <var>crossSiteAncestorFlag</var> to true.</p>
</ol>
</li>

<li><p><span>Set up a window environment settings object</span> with <var>creationURL</var>,
<var>realm execution context</var>, <var>navigationParams</var>'s <span
data-x="navigation-params-reserved-environment">reserved environment</span>,
<var>topLevelCreationURL</var>, and <var>topLevelOrigin</var>.</p></li>
<var>topLevelCreationURL</var>, <var>topLevelOrigin</var>, and
<var>crossSiteAncestorFlag</var>.</p></li>
</ol>

<p class="note">This is the usual case, where the new <code>Document</code> we're about to
Expand Down Expand Up @@ -92834,6 +92867,15 @@ interface <dfn interface>BeforeUnloadEvent</dfn> : <span>Event</span> {
involved.</p>
</dd>

<dt>A <dfn data-x="concept-environment-cross-site-ancestor" export for="environment">cross-site
ancestor flag</dfn></dt>
<dd><p>A boolean. For window <span>environment settings object</span>s this will be set to true
if an ancestor frame has an <span data-x="concept-settings-object-origin">origin</span> that is
not <span>same site</span> with the current window's <span
data-x="concept-settings-object-origin">origin</span> and otherwise false. For workers and
worklets it is set to the <span data-x="concept-environment-cross-site-ancestor">cross-site
ancestor flag</span> of its creator.</p></dd>

<dt>A <dfn data-x="concept-environment-target-browsing-context" export
for="environment">target browsing context</dfn></dt>
<dd><p>Null or a target <span>browsing context</span> for a <span
Expand Down Expand Up @@ -105005,8 +105047,10 @@ interface <dfn interface>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope
unique opaque string, <span data-x="concept-environment-creation-url">creation URL</span> to
<var>worker global scope</var>'s <span>url</span>, <span>top-level creation URL</span> to null,
<span data-x="concept-environment-target-browsing-context">target browsing context</span> to
null, and <span data-x="concept-environment-active-service-worker">active service worker</span>
to null.</p></li>
null, <span data-x="concept-environment-active-service-worker">active service worker</span>
to null, and <span data-x="concept-environment-cross-site-ancestor">cross-site ancestor flag
</span> to <var>outside settings</var>'s <span data-x="concept-environment-cross-site-ancestor">
cross-site ancestor flag</span>.</p></li>

<li><p>If <var>worker global scope</var> is a <code>DedicatedWorkerGlobalScope</code> object,
then set <var>settings object</var>'s <span>top-level origin</span> to <var>outside
Expand Down