Yes, for me it works fine now.

Thanks.
Carlos.


El jueves, 26 de octubre de 2023 a las 7:42:25 UTC+2, Massimo Di Pierro 
escribió:

> I agree with you. I committed your proposed change to master. Please 
> confirm this indeed fixes it and I will make another release.
>
> On Wednesday, 4 October 2023 at 08:26:46 UTC-7 CarlosDB wrote:
>
>> Hello,
>>
>> Today, I downloaded web2py from GitHub to start testing a future update. 
>> I have several "upload" fields for images, and they have all started to 
>> fail.
>>
>> After some investigation, I found that this issue started after Pull 
>> Request (PR) #2471 (Sanitize Headers) was merged. Link to PR 
>> <https://github.com/web2py/web2py/pull/2471/commits/70dd3a950b3517a1e31741a2eebfa85874085686>.
>>  
>> This PR modifies the file gluon/http.py.
>>
>> The following code:
>> @cache.action(time_expire=86400)
>> def download():
>>     return response.download(request, db)
>>
>> has stopped working.
>>
>> If I remove the line "@cache.action(time_expire=86400)", it works, but 
>> that's not a good solution.
>>
>> While investigating the root of the problem, I found the issue around 
>> line 123 of gluon/http.py. It used to be like this:
>>
>>         rheaders = []
>>         for k, v in iteritems(headers):
>>             if isinstance(v, list):
>>                 rheaders += [(k, item) for item in v]
>>             else:
>>                 rheaders.append((k, v))
>>         responder(status, rheaders)
>>
>> Now it looks like this:
>>
>>         rheaders = []
>>         for k, v in iteritems(headers):
>>             if isinstance(v, list):
>>                 rheaders += [(k, str(item)) for item in v]
>>             elif v is not None:
>>                 rheaders.append((k, str(v)))
>>         responder(status, rheaders)
>>
>>
>> The variable "rheaders" contains the HTTP headers, but with these 
>> modifications, some values are int or None, but they should be str. For 
>> example:
>> ('Content-Length', 29563)
>> ('Pragma', None)
>>
>> ('Content-Length', 29563) should be ('Content-Length', '29563'), and I 
>> believe ('Pragma', None) is a deprecated header that should be removed.
>>
>> A possible solution could be to revert part of the PR, but I think there 
>> might be a better solution.
>>
>> The real issue seems to originate from the files gluon/streamer.py and 
>> gluon/cache.py. I have commented on the lines that have problems:
>>
>> *In gluon/streamer.py, line 127*:
>>
>>         # in all the other cases (not 304, not 206, but 200 or error 
>> page)
>>     if status != 206:
>>         enc = request.env.http_accept_encoding
>>         if enc and 'gzip' in enc and not 'Content-Encoding' in headers:
>>             gzipped = static_file + '.gz'
>>             if os.path.isfile(gzipped) and os.path.getmtime(gzipped) >= 
>> modified:
>>                 static_file = gzipped
>>                 fsize = os.path.getsize(gzipped)
>>                 headers['Content-Encoding'] = 'gzip'
>>                 headers['Vary'] = 'Accept-Encoding'
>>         try:
>>             stream = open(static_file, 'rb')
>>         except IOError as e:
>>             # this better not happen when returning an error page ;-)
>>             if e.errno in (errno.EISDIR, errno.EACCES):
>>                 raise HTTP(403)
>>             else:
>>                 raise HTTP(404)
>>         headers['Content-Length'] = fsize   # should be: 
>> headers['Content-Length'] = str(fsize)
>>
>> *In gluon/cache.py, line 676:*
>>
>>                 if send_headers:
>>                     headers = {'Pragma': None,  # Deprecated: This 
>> feature is no longer recommended
>>                                'Expires': expires,
>>                                'Cache-Control': cache_control}
>>
>>
>> What is your opinion?
>> Best way to solve it? 
>>
>> Carlos.
>
>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
--- 
You received this message because you are subscribed to the Google Groups 
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to web2py+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/web2py/ad0042e2-2bb2-4682-bfe7-1c97a2daefd3n%40googlegroups.com.

Reply via email to