[PATCH 2/2] ui-shared: emit root-desc-html and repo.desc-html after their text counterparts

Andy Green andy at warmcat.com
Sat Jun 23 13:08:08 CEST 2018

On 06/23/2018 06:53 PM, John Keeping wrote:
> On Sat, Jun 23, 2018 at 06:33:38PM +0800, Andy Green wrote:
>> On 06/23/2018 06:28 PM, John Keeping wrote:
>>> On Thu, Jun 21, 2018 at 02:46:47PM +0800, Andy Green wrote:
>>>> Where root-desc and repo.desc are used in the header region, also
>>>> emit their html counterparts afterwards if they are defined.
>>>> Where root-desc are repo.desc are used outside the header,
>>>> eg in the repo list, leave it as it is without adding any
>>>> related html.
>>>> Signed-off-by: Andy Green <andy at warmcat.com>
>>>> ---
>>> I think this should be squashed with the previous patch since it makes
>>> it easier to see what's going on.
>>> When I read your initial email on this, I thought we could introduce a
>>> new HTML version of the description and use that *instead of* the plain
>>> text one if the HTML variant is available.
>> I actually first implemented just rendering what we have as raw html...
> I don't think we can do that without introducing an HTML injection risk
> in configurations that are currently safe.

If someone else controls the repo.desc, yes it's not nice.

Isn't it the same problem if someone else controls the repo.desc_html?

>>> Having looked at the current implementation of repo->desc, I think
>>> that's desirable because the reason we don't have a null-check for that
>>> in the context below is that it will be set to "[no description]" if no
>>> other value is provided.  If a user has set repo->desc_html, I don't
>>> think we want to print "[no description]" before showing the HTML
>>> description!
>> I take the point, but it turned out there are two separate kinds of
>> description here... the text-only, existing one that is used, eg, in the
>> list of repos.  And a "functional" HTML part that has buttons or
>> whatever specific to the repo and used on the header part.
>> With just treating them as one, the repo list gained meaningless HTML
>> buttons or pictures or whatever decoration was put there.  The repo list
>> just wants a short textual description that already exists.  So it
>> arrived at this, leave that be, and add an optional HTML decoration part.
> OK, that makes sense.  Maybe we need the following check, but it is
> quite ugly!
> 	if (ctx.repo->desc &&
> 	    (ctx.repo->desc != cgit_default_repo_desc ||
> 	     !ctx.repo->html_desc))
> that is, show the plain text description only if it has been customised
> or if there is no HTML description.

I'm used to looking in the mirror, so it's OK for me :-)

It could also be done as a filter script that purifies strings given to 
it and wraps them in canned html.

Basically the cgit repo probably isn't existing on its own.  It's part 
of a project that has links relevant to someone who, eg, stumbled on the 
cgit repo.  In cgit's own case, the cgit header has the author name but 
no link to its mailing list... that's not right actually.  So somehow 
there should be a way to integrate the cgit url with other urls strongly 
likely to be of interest to someone who is interested in the cgit.


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