56063 2011-03-09 17:32:10 -0800 Inline worker powered by blob URL does not work with files URL even if allowFileAccessFromFileURLs is enabled. 2011-03-29 13:38:55 -0700 1 1 1 Unclassified WebKit WebCore JavaScript 528+ (Nightly build) PC All RESOLVED FIXED P2 Normal --- 1 jianli jianli abarth dimich levin oldest_to_newest 364909 0 jianli 2011-03-09 17:32:10 -0800 Inline worker powered by blob URL does not work with files URL even if allowFileAccessFromFileURLs is enabled. Test script: function runTest() { var blobBuilder = new BlobBuilder(); blobBuilder.append([ "onmessage = function(e) {", " postMessage('Hello from worker');", "};" ].join('\n')); var blobURL = webkitURL.createObjectURL(blobBuilder.getBlob()); var worker = new Worker(blobURL); worker.onmessage = function(event) { alert(event.data); }; worker.postMessage(); } 364919 1 85267 jianli 2011-03-09 17:46:33 -0800 Created attachment 85267 Proposed Patch 364921 2 85268 jianli 2011-03-09 17:47:58 -0800 Created attachment 85268 Proposed Patch 364922 3 levin 2011-03-09 17:50:05 -0800 I haven't looked in depth much, but this looks like a security related change to SecurityOrigin, so I bet Mr. Barth would like to at least glance at it. 364929 4 dimich 2011-03-09 18:11:21 -0800 Interesting. I have couple of clarifying questions: What if a shared worker is created like this, and then another page wants to connect to the same worker - should we find the worker by the blob url match? But then since blob can have more then one url which are all pointing to the same content (as a result of postMessage(blob) for example) - do all those urls match? Also, what is the origin of the Worker as a result? what resources can it load by XHR or importScripts? 365396 5 dimich 2011-03-10 12:02:40 -0800 Jian answered my questions offline, since Blobs inherit origin from the page that calls createObjectURL(), the origin questions are clear. By the same token, I think we can add data: url support for Workers, by assigning the origin of the creating page to the worker created from the data: url - but this is outside of the scope of this bug. We still need Adam to take a look :-) 374903 6 85268 abarth 2011-03-28 17:00:53 -0700 Comment on attachment 85268 Proposed Patch View in context: https://bugs.webkit.org/attachment.cgi?id=85268&action=review This patch is amazing. I love it! > Source/WebCore/page/SecurityOrigin.cpp:83 > + bool isBlobOrFileSystemProtocol = (m_protocol == BlobURL::blobProtocol()) || (m_protocol == "filesystem"); Will this build if ENABLE(BLOB) is false? We might need some fancier ifdefing. 374905 7 abarth 2011-03-28 17:02:47 -0700 > By the same token, I think we can add data: url support for Workers, by assigning the origin of the creating page to the worker created from the data: url - but this is outside of the scope of this bug. Solving the data URL problem is harder because they don't carry around their origin inside of themselves. We'll need to track the origin separately. That's probably easier to solve for the worker case than in the general case. 375715 8 jianli 2011-03-29 13:38:55 -0700 Committed as https://trac.webkit.org/changeset/82311. 85267 2011-03-09 17:46:33 -0800 2011-03-09 17:47:58 -0800 Proposed Patch 56063 text/plain 7530 jianli ZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL0NoYW5nZUxvZyBiL0xheW91dFRlc3RzL0NoYW5nZUxv ZwppbmRleCA1MTE0MDY5Li4xNjgyZjk2IDEwMDY0NAotLS0gYS9MYXlvdXRUZXN0cy9DaGFuZ2VM b2cKKysrIGIvTGF5b3V0VGVzdHMvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTQgQEAKKzIwMTEtMDMt MDkgIEppYW4gTGkgIDxqaWFubGlAY2hyb21pdW0ub3JnPgorCisgICAgICAgIFJldmlld2VkIGJ5 IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIElubGluZSB3b3JrZXIgcG93ZXJlZCBieSBibG9i IFVSTCBkb2VzIG5vdCB3b3JrIHdpdGggZmlsZXMgVVJMIGV2ZW4gaWYKKyAgICAgICAgYWxsb3dG aWxlQWNjZXNzRnJvbUZpbGVVUkxzIGlzIGVuYWJsZWQKKyAgICAgICAgaHR0cHM6Ly9idWdzLndl YmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTU2MDYzCisKKyAgICAgICAgKiBmYXN0L2ZpbGVzL3dv cmtlcnMvaW5saW5lLXdvcmtlci12aWEtYmxvYi11cmwtZXhwZWN0ZWQudHh0OiBBZGRlZC4KKyAg 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