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Ensure data scheme Workers are same origin with themselves #12058

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Merged
annevk merged 3 commits into from
Jan 8, 2026
Merged

Ensure data scheme Workers are same origin with themselves #12058

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c716c0a
Ensure data scheme Workers are same origin with themselves
shannonbooth Jan 7, 2026
bc9359b
Only use one origin variable
shannonbooth Jan 7, 2026
a1a4a22
Remove inherited origin and fix wrapping
shannonbooth Jan 8, 2026
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17 changes: 8 additions & 9 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -131231,15 +131231,19 @@ interface <dfn interface>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope
<var>outside settings</var>, and a number <var>unsafeWorkerCreationTime</var>:</p>

<ol>
<li><p>Let <var>inherited origin</var> be <var>outside settings</var>'s <span
data-x="concept-settings-object-origin">origin</span>.</p></li>

<li><p>Let <var>realm</var> be the value of <var>execution context</var>'s Realm
component.</p></li>

<li><p>Let <var>worker global scope</var> be <var>realm</var>'s <span
data-x="concept-realm-global">global object</span>.</p></li>

<li><p>Let <var>origin</var> be a unique <span
data-x="concept-origin-opaque">opaque origin</span> if <var>worker global scope</var>'s
<span data-x="concept-WorkerGlobalScope-url">url</span>'s <span
data-x="concept-url-scheme">scheme</span> is "<code data-x="">data</code>"; otherwise
<var>outside settings</var>'s <span
data-x="concept-settings-object-origin">origin</span>.</p></li>

<li>
<p>Let <var>settings object</var> be a new <span>environment settings object</span> whose algorithms
are defined as follows:</p>
Expand All @@ -131263,12 +131267,7 @@ interface <dfn interface>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope
</dd>

<dt>The <span data-x="concept-settings-object-origin">origin</span></dt>
<dd>
<p>Return a unique <span data-x="concept-origin-opaque">opaque origin</span> if <var>worker
global scope</var>'s <span data-x="concept-WorkerGlobalScope-url">url</span>'s <span
data-x="concept-url-scheme">scheme</span> is "<code data-x="">data</code>", and <var>inherited
origin</var> otherwise.</p>
</dd>
<dd><p>Return <var>origin</var>.</p></dd>

<dt>The <span data-x="concept-settings-object-has-cross-site-ancestor">has cross-site
ancestry</span></dt>
Expand Down