[KIO] Regarding KIO based redirection handling and header responses

Aish Raj Dahal dahalaishraj at gmail.com
Sun Jun 3 05:32:07 BST 2012


Hello there,

I've tried using the mimetype signal as suggested by you but I seem to get
the same headers(the redirected ones). Here is the code
http://paste.kde.org/492068/ .
If there is any other way by which KIO can me made to do this, please let
me know. :)

Thanks.

On Sun, Jun 3, 2012 at 8:01 AM, Dawit A <adawit at kde.org> wrote:

> Unless you explicitly disable internal redirection handling, you will
> never be able to get the redirection HTTP header from kio_http if you are
> attempting to read from a slot connected to KIO's "result" signal. Instead,
> what you should try to do is connect to the "mimeType" signal and look for
> the meta-data there.
>
>
> On Sat, Jun 2, 2012 at 9:00 PM, Aish Raj Dahal <dahalaishraj at gmail.com>wrote:
>
>> Respected members of the community,
>>
>> First of all let me introduce myself. I am a Google Summer of Code 2012
>> student implementing Metalink/HTTP [RFC 6249] support in Kget. In most
>> basic terms my implementation involves receiving of the custom HTTP
>> response header fields sent by the server supporting Metalink/HTTP. I have
>> been trying to use KIO and extract the information from the custom HTTP
>> response headers sent back by the server, however it has been in vain.
>>
>> I am using
>> http://download.services.openoffice.org/files/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gzto check the Metalink/HTTP. It works fine while running
>>
>> curl -sI
>> http://download.services.openoffice.org/files/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz
>>
>> However, while doing so using KIO, I've encountered problems.
>> It seems that the header replies that KIO gets are of the redirected
>> download link, ( the same  as Konqueror gets it while typing the link in
>> the address bar)
>> However my objective is to prevent the redirection and directly obtain
>> the HTTP header response sent by the server.
>> I have tried with setRedirectionHandlingEnabled(false). But on doing this
>> there is no response and the program gets stuck.
>> On removing the redirection handling code and setting it to the defaults
>> the redirection presisits.
>>
>>
>> The output that(with the redirection left to defaults) I get is
>>
>> "HTTP/1.1 200
>> OK
>> server:
>> nginx/0.8.54
>> date: Fri, 25 May 2012 14:32:56
>> GMT
>> content-type:
>> application/octet-stream
>> content-length: 8957266
>> last-modified: Mon, 17 Jan 2011 22:03:15 GMT
>> connection: close
>> accept-ranges: bytes"
>>
>> And the output that I should be actually getting is:
>>
>> HTTP/1.1 302 Found
>> Date: Fri, 25 May 2012 13:13:14 GMT
>> Server: Apache/2.2.22 (Linux/SUSE)
>> X-Prefix: 49.244.64.0/21
>> X-AS: 23752
>> X-MirrorBrain-Mirror: mirror.averse.net
>> X-MirrorBrain-Realm: region
>> Link: <
>> http://download.services.openoffice.org/files/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz.meta4>;
>> rel=describedby; type="application/metalink4+xml"
>> Link: <
>> http://download.services.openoffice.org/files/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz.torrent>;
>> rel=describedby; type="application/x-bittorrent"
>> Link: <
>> http://mirror.averse.net/openoffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz>;
>> rel=duplicate; pri=1; geo=sg
>> Link: <
>> http://ftp.isu.edu.tw/pub/OpenOffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz>;
>> rel=duplicate; pri=2; geo=tw
>> Link: <
>> http://ftp.twaren.net/OpenOffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz>;
>> rel=duplicate; pri=3; geo=tw
>> Link: <
>> http://ftp.kaist.ac.kr/openoffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz>;
>> rel=duplicate; pri=4; geo=kr
>> Link: <
>> http://mirror.yongbok.net/openoffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz>;
>> rel=duplicate; pri=5; geo=kr
>> Digest: MD5=chZROzRjy791zYb5mUhk3A==
>> Digest: SHA=nRgEtguiGxDlu8PKSxyBSc7TlGw=
>> Digest: SHA-256=VO2S9pgCq1lqgTFTKssVj6amn0npNdagtjI8ziDtiRQ=
>> Location:
>> http://mirror.averse.net/openoffice/stable/3.3.0/OOo-SDK_3.3.0_Linux_x86-64_install-deb_en-US.tar.gz
>> Connection: close
>> Content-Type: text/html; charset=iso-8859-1
>>
>> My "practice" repository is at
>> https://github.com/ardahal/kio-learner/tree/master/showHttp
>>
>> I hope you'll go through the code and help me with figuring out how to
>> get the desired result. :)
>>
>> Thanks a lot.
>>
>> Cheers
>> Aish
>> Google Summer of Code Student 2012
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mail.kde.org/mailman/private/kfm-devel/attachments/20120603/f7126499/attachment.htm>


More information about the kfm-devel mailing list