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Some scripts work even when it is prohibited in rules #943

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crimsonlander opened this issue Feb 5, 2018 · 5 comments
Closed

Some scripts work even when it is prohibited in rules #943

crimsonlander opened this issue Feb 5, 2018 · 5 comments
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invalid unable to reproduce

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@crimsonlander
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crimsonlander commented Feb 5, 2018 •
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When I add rules like "website * * block", most content is blocked, but some scripts still work.
For example, there are scripts for disabling text selection on page and showing prompt on onmouseup event on this page http://pelevin.nov.ru/rass/pe-bubn/1.html :

<body onmouseup="if (event.which==3) return false;" oncontextmenu="alert(&#39;Мы просим прощения, но копировать тексты отсюда нельзя. Не потому что мы такие, а потому что на это есть десять тысяч внешних причин. Вы можете считать это событие непреодолимой силой Природы и давайте сделаем вид, что ничего не произошло.&#39;); return false;" onselectstart="return false;" oncopy="return false;" bgcolor="#DBDBDB" leftmargin="0" topmargin="0" rightmargin="0" bottommargin="0" marginwidth="0" marginheight="0" background="./«Чапаев и Пустота» _ Романы _ Виктор Пелевин __ сайт творчества_files/bg.gif" onload="disableSelection(document.body);">

<script type="text/javascript" async="" src="http://www.acint.net/aci.js"></script><script language="JavaScript1.2">function disableSelection(target){
if (typeof target.onselectstart!="undefined") //IE route
	target.onselectstart=function(){return false;}
else // All other route (ie: Opera)
	target.onmousedown=function(){return false;}
// target.style.cursor = "default"
}

disableSelection(document.body) //Disable text selection on entire body
</script>

When I remove these scripts from page manually, it stops capturing mouse clicks and no longer prevents text selection, so indeed there are no other reasons for such behavior.
I have tried following rules:

pelevin.nov.ru * * block
pelevin.nov.ru pelevin.nov.ru * block
pelevin.nov.ru pelevin.nov.ru script block

And none of that prevents these scripts from working.
I am using uMatrix 1.3.2, Vivaldi 1.14.1077.41 64-bit, Ubuntu 16.04.
@gorhill
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gorhill commented Feb 5, 2018 •
edited

Unable to reproduce with Chromium 64.

I don't support Vivaldi. Be sure you reload with bypassing the cache after you change rules and do not see the effects.

@gorhill gorhill closed this as completed Feb 5, 2018
@gorhill gorhill added the invalid label Feb 5, 2018
@crimsonlander
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Checked again. uMatrix doesn't block these scripts in Vivaldi, but blocks in Chromium. Refreshing with bypassing the cache doesn't help.

@gorhill
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gorhill commented Feb 5, 2018

Volunteer developer(s) for Vivaldi will have to step up and offer support for it -- I just can't add more work to what I am already committed on my side. Best is a fork for Vivaldi so that issues specific to Vivaldi gets reported to the fork rather than here. I will accept pull request fixes for Vivaldi if I feel they are not undermining code sanity (i.e. ugly patches for weird Vivaldi-specific issues won't be accepted).

@crimsonlander
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crimsonlander commented Feb 5, 2018 •
edited

Tried blocking these scripts with ScriptSafe, it also doesn't work with Vivaldi, but works with Chromium. So it seems like this is not extension problem.

@uBlock-user
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uBlock-user commented Feb 5, 2018 •
edited

Tried blocking these scripts with ScriptSafe, it also doesn't work with Vivaldi, but works with Chromium.

That itself proves that the issue lies with Vivaldi. Report to the devs.

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@gorhill @crimsonlander @uBlock-user