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Re: Handling Meta-refresh with a unique,per-request URI

From: j.L <liuping.james_at_gmail.com>
Date: Mon, 19 May 2008 13:52:18 +0800

anyone know ? i have same problem.

2008/1/14 Ben Davies <ben_at_stickyeyes.com>:

> Hi Everyone,
>
>
>
> Hopefully someone will have experience and a solution to the following
> problem.
>
>
>
> I'm developing some internal tools here, and I need to login to a
> third-party site that we use, and automatically download a report for each
> of our clients. The report is in CSV format. My script used to work, but
> since last week, the third-party has changed the way the csv files are
> served.
>
>
>
> Originally, my script successfully:
>
>
>
> 1) Logged into the site by POSTing the login details on the HTTPS
> site. IT stored the session cookies in the cookieejar.
>
> 2) Followed the various redirects set by the login script
>
> 3) The script then GET the direct link to the specific csv file I was
> interested in. Again, using HTTPS and session cookie. The csv file would
> then be automatically downloaded.
>
>
>
> However, it appears that the final step, the csv resource, now returns a
> 200 OK with a HTML page which contains a meta-refresh and javascript
> redirect, which points to the csv file. Following the link"manually" with
> firefox works correctly (as you would expect) but I am having real problems
> getting the PHP cURL functions to do the same.
>
>
>
> It appears that the link In the meta-refresh is unique for each the
> request. It seems that once cURL retrieves the page, and I parse the HTML
> page using Reg Exp to grab the URI, cURL must send a new request to follow
> the URI. However, as the URI changes, as soon as cURL issuses the request,
> it is no longer valid!
>
>
>
> Can anyone provide any advice or a solution to this problem? Is it possible
> to do some processing on the response before getting cURL to continue with
> the original request? Would this be HTTP-pipelining in action? If so, is it
> possible to perform HTTP-pipelining with cURL?
>
>
>
> Any response would be appreciated!
>
>
>
> Cheers,
>
>
>
> Ben
>
>
>
> Ben Davies | Lead Developer
> Stickyeyes | Tel: 0113 391 2929 | Fax 0113 391 2939
>
> [image: SE_LOGO_SM]
> Stickyeyes is the trading name of Optimum4 Ltd
>
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>
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>
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-- 
regards
j.L

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Received on 2008-05-19