also you'll find page two interesting for posting your passing your tracking number:
http://www.perl.com/pub/a/
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Need to access tracking info after loggin into a website using Perl.
I am trying to write a Perl program to access tracking information from a website on shipped packages. One difference is that with this site, I need to authenticate with a userid and password first in a screen, then enter a reference number to retrieve the information required.
I have been looking around/reading stuff online for using LWP or Mechanize etc. No success yet. Can someone help me out please. I need to get this completed very quickly. So, please help me out in a timely manner on this one. Here are the steps:
1) Need to pass the user id and password Login into the site.
2) And, in the next form, need to pass the tracking number to retrieve details.
Thanks in advance for help.
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Answers
Hello, I tried the POST commands to access the login page first. The field names are hidden. So, I am not sure how to pass value to submit the form. Here is how the "View Source" looks:
<form name="FormTrack" method="post" action="tracking.aspx" id="FormTrack">
<input type="hidden" name="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUEMENT" value="" />
<input type="hidden" name="__VIEWSTATE" value="dDW................
And, here is the code I am trying:
#!D:\perl\bin\perl.exe
use LWP;
use HTTP::Request::Common;
$ua = LWP::UserAgent->new;
$req=$ua->request(POST 'URL',
["__EVENTTARGET" => "userid", "__EVENTARGUEMENT" => "password", "__VIEWSTATE" => "btnSubmit"]);
print $req->content;
The following is the output from the program:
--------------------------
<html><head><title>Object moved</title></head><body>
<h2>Object moved to <a href='/Error.aspx?aspxerro
</body></html>
--------------------------
Please help!
Mathav
Hi mathavra,
you dont seem to be using the credentials method, is this correct. ie you dont need to login first and the acess a page?
CHANGE POST to post
my $req=$ua->request(post 'URL',
["__EVENTTARGET" => "userid", "__EVENTARGUEMENT" => "password", "__VIEWSTATE" => "btnSubmit"]);
also have you added the error handling?
die "$url error: ", $response->status_line
unless $response->is_success;
die "Weird content type at $url -- ", $response->content_type
unless $response->content_type eq 'text/html';
Does the credentials method work for the hidden fields?? Also, when I added the error lines I get the following error:
"302 Found at p1_ats_l.pl line 10.".
Also, I have to use POST in uppercase since I am trying in a Windows 2000 platform.
I am going to try the credentials now.
Thanks for the comments
Mathav
> .. how to pass values to hidden fields
use CGI;
my $q=new CGI;
print $q->hidden("par_name","par
> .. also trace out the hidden fields?
what do you mean by that?
as explained above, the server can't destinguish if a parameter was a hidden field or not according the raw request data. But as the server (in particular the application on it) is the same for generating the page with the hidden fields and then receiving the request, it already "knows" which parameters have been hidden ;-)
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by: PeeweePosted on 2005-06-03 at 02:15:43ID: 14137841
Hi mathavra,
actually what you talk about is covered in the links below using LWP. To get around the username & password problem u need to set the credentials of the browser.
http://www.perl.com/pub/a/
http://www.perl.com/pub/a/
regards Peewee