Bug 146868 – unless-domain and if-domain in Content Blocker don't appear to work

• Component: WebCore Misc.
• Status: RESOLVED FIXED

[Michael]

I am playing with the new Content Blocker extensions on iOS 9 beta 2/3 using Xcode 7.0 beta 2/3 and an iPhone 6. 

I was trying to block all webpages except those of white-listed domains. I thought this should do it:

[
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": ".*",
            "unless-domain": ["apple.com"]
        }
    }
]

I would expect this to block all domains except Apple from loading, but instead all domains are blocked.

If I change it to:

[
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": ".*",
            "if-domain": ["apple.com"]
        }
    }
]

I would expect only Apple to be blocked while all other domains load correctly, but instead all domains including Apple load. 

My apologies if I'm missing something obvious; I'm brand new to programming.

[Michael]

I should add that the reason I was using unless-domain rather than doing something like 

[
    {
        "action": {
            "type": "block"
        },
        "trigger": {
            "url-filter": "apple.com"
        }
    }
]

Was in order to create an array of either black-listed or white-listed domains using unless/if-domain.

[Benjamin Poulain]

I can reproduce locally. Even with "unless-domain": ["*apple.com"], apple.com is blocked in minibrowser.

[Radar WebKit Bug Importer]

<rdar://problem/21782350>

[Alex Christensen]

Created attachment 256718 [details]
Patch

[Alex Christensen]

Created attachment 256722 [details]
Patch

[Build Bot]

Comment on attachment 256722 [details]
Patch

Attachment 256722 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.appspot.com/results/6175807298863104

New failing tests:
http/tests/contentextensions/sync-xhr-blocked.html
http/tests/contentextensions/domain-rules.html
http/tests/contentextensions/basic-filter.html
http/tests/contentextensions/filters-with-quantifiers-combined.html
http/tests/contentextensions/block-everything-unless-domain.html

[Build Bot]

Created attachment 256728 [details]
Archive of layout-test-results from ews104 for mac-mavericks-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews104  Port: mac-mavericks-wk2  Platform: Mac OS X 10.9.5

[Alex Christensen]

Created attachment 256731 [details]
Patch

[Alex Christensen]

Created attachment 256738 [details]
Patch

[Benjamin Poulain]

Comment on attachment 256738 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=256738&action=review

Thanks for fixing this!

> Source/WebCore/contentextensions/ContentExtensionsBackend.cpp:176
> +            mainDocumentURL = request.url();

What happen when the main request is a redirect? Will the next branch take over and give the right URL (the final one)?

Can you add test coverage for that too?

[Alex Christensen]

Created attachment 256773 [details]
Patch

[Alex Christensen]

Comment on attachment 256773 [details]
Patch

Added block-everything-unless-domain-redirect.php

[WebKit Commit Bot]

Comment on attachment 256773 [details]
Patch

Clearing flags on attachment: 256773

Committed r186807: <http://trac.webkit.org/changeset/186807>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.