[KIO] Regarding KIO based redirection handling and header responses

[Aish Raj Dahal]

Thank you very much for the help.
:)
Works like a charm :)

On Sun, Jun 3, 2012 at 10:26 PM, Dawit A <adawit at kde.org> wrote:

> http://paste.kde.org/492344/
>
> I thought you would be able to simply look for the headers by simply
> connecting to the "mimeType" or "redirection" KIO signals, but that turns
> out to be not possible. The only way you can obatin those redirection
> headers is to disable the redirection like you are doing in your code, but
> then connect to the "result" signal and cast the KJob into KIO::Job.
> Alternatively, you can store the KIO::TransferJob instance in a member
> variable and use that if you do not want to do the cast.
>
>
> On Sun, Jun 3, 2012 at 12:32 AM, Aish Raj Dahal <dahalaishraj at gmail.com>wrote:
>
>> 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
>>>>
>>>
>>>
>


Cheers
Aish
Google Summer of Code Student 2012
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