Bug 21138

Summary: DOM Constructors are being cached/looked up with the wrong global object
Product: WebKit Reporter: Oliver Hunt <oliver>
Component: DOMAssignee: Nobody <webkit-unassigned>
Status: RESOLVED CONFIGURATION CHANGED    
Severity: Normal CC: ahmad.saleem792, ap, bfulgham, cdumez, rniwa, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Mac   
OS: OS X 10.5   
Attachments:
Description Flags
test case
none
Updated test case none

Oliver Hunt
Reported 2008-09-26 03:49:20 PDT
Our caching of constructor objects is based on the lexical global object at the time of request rather than the object we're actually lifting these objects off. This means that it is impossible for windowa to directly retrieve a dom constructor from windowb (see the attached testcase).
Attachments
test case (267 bytes, text/html)
2008-09-26 03:49 PDT, Oliver Hunt 		no flags
Details
Updated test case (359 bytes, text/html)
2022-09-16 12:55 PDT, Ryosuke Niwa 		no flags
Details
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Oliver Hunt
Comment 1 2008-09-26 03:49:46 PDT
Created attachment 23845 [details] test case
Ahmad Saleem
Comment 2 2022-09-12 15:31:17 PDT
*** Safari 16 on macOS 12.6 *** In Console: SecurityError: Blocked a frame with origin "https://bug-21138-attachments.webkit.org" from accessing a cross-origin frame. Protocols, domains, and ports must match. *** STP 153 *** In Console: SecurityError: Blocked a frame with origin "https://bug-21138-attachments.webkit.org" from accessing a cross-origin frame. Protocols, domains, and ports must match. *** Chrome Canary 107 ***  attachment.cgi?id=23845:5 Uncaught DOMException: Blocked a frame with origin "https://bug-21138-attachments.webkit.org" from accessing a cross-origin frame. at window.onload (https://bug-21138-attachments.webkit.org/attachment.cgi?id=23845:5:61) *** Firefox Nightly 106 *** Uncaught DOMException: Permission denied to access property "HTMLAnchorElement" on cross-origin object __________ These are results from all browsers. Just wanted to share the results. Thanks!
Ryosuke Niwa
Comment 3 2022-09-16 12:55:22 PDT
Created attachment 462402 [details] Updated test case This test case works in Safari now.
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