Hi Sebastian,

There's been some discussion of issues related to this recently, 
particularly in the context of supporting HTTP/2. See 
https://github.com/iipc/warc-specifications/issues/42 for details.

That said, I'm pretty sure that that various tools have been flattening 
HTTP/1.1-style chunked encodings to unchunked and/or removing compression 
for some time. It's permitted by the WARC spec. to do so without noting it 
was done, as these encodings are semantically equivalent. The use of an 
`X-Crawler-[Orig-]` seems perfectly reasonable (indeed an improvement on 
current practice), at least until we come up with an official standardised 
way of noting these kinds of manipulations.

Best,
Andy Jackson
UK Web Archive

On Wednesday, 22 August 2018 10:22:05 UTC+1, Sebastian Nagel wrote:
>
> Common Crawl stores the payload uncompressed and unchunked to leverage 
> processing of WARC files by users on various platforms on programming 
> languages. To avoid potential errors by the WARC processors this requires 
> to remove resp. change the HTTP headers "Content-Length", 
> "Content-Encoding" and "Transfer-Encoding".
>
> Now I want to preserve the original headers in a safe but transparent way. 
> Is the preservation of original and rewritten HTTP headers in WARC files a 
> valid use case for the X-Archive-Orig- header prefix, or is it thought only 
> for wayback machines when serving captures over HTTP?
>
> Thanks,
> Sebastian
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"openwayback-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
Visit this group at https://groups.google.com/group/openwayback-dev.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/openwayback-dev/9b0cdbf9-c3a6-4056-a505-461ee7fd3f07%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to