Thanks Mark, appreciate these code pointers!

(I’m cc’ing in the mailing list so others can comment)

Chris

> On 4 Jan 2016, at 8:21 PM, Mark Hung <mark...@gmail.com> wrote:
> 
> 
> I meant there is a chance for SvParser::GetNextChar() to switch encoding, but 
> yes it is less relevant.
> 
> Grepping content-type under ucb , there are some suspicious code
> http://opengrok.libreoffice.org/xref/core/ucb/source/ucp/webdav-neon/ContentProperties.cxx#454
>  
> <http://opengrok.libreoffice.org/xref/core/ucb/source/ucp/webdav-neon/ContentProperties.cxx#454>
> http://opengrok.libreoffice.org/xref/core/ucb/source/ucp/webdav/ContentProperties.cxx#471
>  
> <http://opengrok.libreoffice.org/xref/core/ucb/source/ucp/webdav/ContentProperties.cxx#471>
> 
> Which seems incosistent with 
> http://opengrok.libreoffice.org/xref/core/sc/source/filter/html/htmlpars.cxx#264
>  
> <http://opengrok.libreoffice.org/xref/core/sc/source/filter/html/htmlpars.cxx#264>
> 
> 
> 2016-01-04 16:17 GMT+08:00 Chris Sherlock <chris.sherloc...@gmail.com 
> <mailto:chris.sherloc...@gmail.com>>:
> Hi Mark,
> 
> BOM detection is irrelevant here. The HTTP header states that it should be 
> UTF8, but this is not being honoured. 
> 
> There is something further down the stack that isn’t recording the HTTP 
> headers. 
> 
> Chris
> 
>> On 4 Jan 2016, at 4:23 PM, Mark Hung <mark...@gmail.com 
>> <mailto:mark...@gmail.com>> wrote:
>> 
>> Hi Chris,
>> 
>> As recently I'm working on SvParser and HTMLParser, 
>> 
>> There is BOM detection is in SvParser::GetNextChar().
>> 
>> A quick look at eehtml, EditHTMLParser:: <>EditHTMLParser seems relevant.
>> 
>> Best regards.
>> 
>> 
>> 2016-01-04 12:02 GMT+08:00 Chris Sherlock <chris.sherloc...@gmail.com 
>> <mailto:chris.sherloc...@gmail.com>>:
>> Hey guys, 
>> 
>> Probably nobody saw this because of the time of year (Happy New Year, 
>> incidentally!!!).
>> 
>> Just a quick ping to the list to see if anyone can give me some pointers. 
>> 
>> Chris
>> 
>>> On 30 Dec 2015, at 12:15 PM, Chris Sherlock <chris.sherloc...@gmail.com 
>>> <mailto:chris.sherloc...@gmail.com>> wrote:
>>> 
>>> Hi guys,
>>> 
>>> In bug 95217 - https://bugs.documentfoundation.org/show_bug.cgi?id=95217 
>>> <https://bugs.documentfoundation.org/show_bug.cgi?id=95217> - Persian test 
>>> in a webpage encoded as UTF-8 is corrupting.
>>> 
>>> If I take the webpage and save to an HTML file encoded as UTF8, then there 
>>> are no problems and the Persian text comes through fine. However, when 
>>> connecting to a webserver directly, the HTTP header correctly gives the 
>>> content type as utf8.
>>> 
>>> I did a test using Charles Proxy with its SSL interception feature turned 
>>> on and pointed Safari to 
>>> https://bugs.documentfoundation.org/attachment.cgi?id=119818 
>>> <https://bugs.documentfoundation.org/attachment.cgi?id=119818>
>>> 
>>> The following headers are gathered:
>>> 
>>> HTTP/1.1 200 OK
>>> Server: nginx/1.2.1
>>> Date: Sat, 26 Dec 2015 01:41:30 GMT
>>> Content-Type: text/html; name="text.html"; charset=UTF-8
>>> Content-Length: 982
>>> Connection: keep-alive
>>> X-xss-protection: 1; mode=block
>>> Content-disposition: inline; filename="text.html"
>>> X-content-type-options: nosniff
>>> 
>>> Some warnings are spat out that it editeng's eehtml can't detect the 
>>> encoding. I initially thought it was looking for a BOM, which makes no 
>>> sense for a webpage, but that's wrong. Instead, for some reason the headers 
>>> don't seem to be processed and the HTML parser is falling back to 
>>> ISO-8859-1 and not UTF8 as the character encoding.
>>> 
>>> We seem to use Neon to make the GET request to the webserver. A few 
>>> observations:
>>> 
>>> 1. We detect a server OK response as an error
>>> 2. (Probably more to the point) I believe PROPFIND is being used, but 
>>> actually even though the function being used indicates a PROPFIND verb is 
>>> used a GET is used as is normal but the headers aren't being stored. This 
>>> ,Evans that when the parser looks for the headers to find the encoding it's 
>>> not finding anything, resulting in a fallback to ISO-8859-1.
>>> 
>>> One easy thing (doesn't solve the root issue) is that wouldn't it be a 
>>> better idea to fallback to UTF8 and not ISO-8859-1, given ISO-8859-1 is 
>>> really just a subset of UTF-8?
>>> 
>>> Any pointers on how to get to the bottom of this would be appreciated, I'm 
>>> honestly not up on webdav or Neon.
>>> 
>>> Chris Sherlock
>> 
>> 
>> _______________________________________________
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>> LibreOffice@lists.freedesktop.org <mailto:LibreOffice@lists.freedesktop.org>
>> http://lists.freedesktop.org/mailman/listinfo/libreoffice 
>> <http://lists.freedesktop.org/mailman/listinfo/libreoffice>
>> 
>> 
>> 
>> 
>> -- 
>> Mark Hung
> 
> 
> 
> 
> -- 
> Mark Hung

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