[Webkit-unassigned] [Bug 170075] Can not read blobs in sandboxed iframes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 27 15:26:29 PST 2018


--- Comment #3 from John Firebaugh <john.firebaugh at gmail.com> ---
This effectively prevents the use of web workers within <iframe sandbox="allow-scripts">:

1. Initializing the Worker with a blob URI doesn't work due to this bug.
2. Initializing the Worker with a http[s] URI doesn't work because without allow-same-origin, the iframe has a null origin, and Worker scripts are required to be same-origin.
3. WebKit does not support initializing the Worker with a data URI.

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