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Re: [PATCH] gitweb: Don't escape attributes in CGI.pm HTML methods

From
Junio C Hamano <junkio@cox.net>
Date
Mar 7, 2007, 01:40 UTC
Message-ID
<7vk5xtn84z.fsf@assigned-by-dhcp.cox.net>
In-Reply-To
<200703070221.25519.jnareb@gmail.com>
Jakub Narebski <jnareb@gmail.com> writes:
Show 30 quoted lines
> There is no need to escape HTML tag's attributes in CGI.pm
> HTML methods (like CGI::a()), because CGI.pm does attribute
> escaping automatically.
>
> Explanation:
>   $cgi->a({ ... -attribute => atribute_value }, tag_contents)
> is translated to
>   <a ... attribute="attribute_value">tag_contents</a>
> The rules for escaping attribute values (which are string contents) are
> different. For example you have to take care about escaping embedded '"'
> and "'" characters; CGI::a() does that for us automatically.
>
> CGI::a() cannot HTML escape tag contents automatically; we might want to
> write
>   <a href="URL">some <b>bold</b> text</a>
> for example. So we have to esc_html (or esc_path) if needed.
>
> Signed-off-by: Jakub Narebski <jnareb@gmail.com>
> ---
> Junio C Hamano wrote:
>> Jakub Narebski <jnareb@gmail.com> writes:
>> 
>>> In short: escape tag contents if needed, do not escape attrbure values.
>> 
>> I trust a patch from you will follow shortly?
>
> Here it is. I hope I found everything.
>
> Commit message is bit long, so you can cut it to first sentence only
> (or even only to title/subject).

Thanks. I think your explanation in the log message has the right amount of details and keeping it there would help people who would want to later touch the code.

Previous: Jakub Narebski
Message 21 of 21 in “gitweb: Change to use explicitly function call cgi->escapHTML()”
  1. gitweb: Change to use explicitly function call cgi->escapHTML()Li Yang, Mar 6, 2007
  2. Junio C HamanoMar 6, 2007
  3. Jakub NarebskiMar 6, 2007
  4. Jeff KingMar 6, 2007
  5. Junio C HamanoMar 6, 2007
  6. Li Yang-r58472Mar 6, 2007
  7. Jeff KingMar 6, 2007
  8. Junio C HamanoMar 6, 2007
  9. Jeff KingMar 6, 2007
  10. Junio C HamanoMar 6, 2007
  11. Jeff KingMar 6, 2007
  12. Junio C HamanoMar 6, 2007
  13. Jeff KingMar 6, 2007
  14. Li Yang-r58472Mar 6, 2007
  15. Junio C HamanoMar 6, 2007
  16. Jakub NarebskiMar 6, 2007
  17. Junio C HamanoMar 6, 2007
  18. Jakub NarebskiMar 7, 2007
  19. Junio C HamanoMar 7, 2007
  20. gitweb: Don't escape attributes in CGI.pm HTML methodsJakub Narebski, Mar 7, 2007
  21. Junio C HamanoMar 7, 2007

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