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LWP::UserAgent Trying to automate session authentication

by mhearse (Chaplain)
on Jun 01, 2012 at 21:16 UTC ( #973874=perlquestion: print w/replies, xml ) Need Help??
mhearse has asked for the wisdom of the Perl Monks concerning the following question:

I'm going nuts trying to automate this. Is there anything obviously wrong? Is there a better way to do this?
#!/usr/bin/env perl use strict; use HTTP::Cookies; use LWP::UserAgent; use HTTP::Request::Common qw(POST GET); my ($username, $password); while (!$username || !$password) { ### Prompt for username print "\nAkamai Administrator credentials\n"; print "username> "; $username = <STDIN>; ### Prompt for password print "password> "; system 'stty -echo'; $password = <STDIN>; system 'stty echo'; chomp($username, $password); } my $ua = LWP::UserAgent->new( cookie_jar => HTTP::Cookies->new(), requests_redirectable => [ ], timeout => 10, agent => "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Ge +cko/20100101 Firefox/12.0" ); my $target; my $req = GET 'https://control.akamai.com/EdgeAuth/login.jsp'; if ($ua->request($req)->as_string =~ /"TARGET_URL" value="(.*)" \/>\n/ +) { $target = $1; } else { print "Can't proceed without: TARGET_URL\n"; exit; } $req = POST 'https://control.akamai.com/EdgeAuth/userLogin', [ login => "Log In", TARGET_URL => $target, username => $username, password => $password ]; $req = GET 'https://control.akamai.com/home/view/main'; print $ua->request($req)->as_string;

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Re: LWP::UserAgent Trying to automate session authentication
by spazm (Monk) on Jun 01, 2012 at 23:06 UTC
    1) You built a POST request, but didn't actually send it.
    2) I'd suggest using WWW::Mechanize instead of hand rolled UA calls, let it handle the nitty-gritty.
    #!/usr/bin/env perl use strict; use HTTP::Cookies; use WWW::Mechanize; use Data::Dumper; my ($username, $password); while (!$username || !$password) { ### Prompt for username print "\nAkamai Administrator credentials\n"; print "username> "; $username = <STDIN>; ### Prompt for password print "password> "; system 'stty -echo'; $password = <STDIN>; system 'stty echo'; chomp($username, $password); } my $login_url = 'https://control.akamai.com/EdgeAuth/login.jsp'; my $real_page = 'https://control.akamai.com/home/view/main'; my $mech = WWW::Mechanize->new(); $mech->agent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Ge +cko/20100101 Firefox/12.0"); $mech->get( $real_page ); if ( $mech->base =~ m/$login_url/) { $mech->submit_form( form_number => 2, fields => { "User ID" => $username, "Password" => $password } ); } print $mech->content();
    This gets me as far as verifying that I don't have a login:
    "Information entered does not match what we have on file. Please try again."
    The main points here are
    1. request the page you want
    2. detect if you are on the login page and submit the login credentials
Re: LWP::UserAgent Trying to automate session authentication
by Khen1950fx (Canon) on Jun 02, 2012 at 10:04 UTC
    Change the while loop
    while ( !$username || !$password )
    to
    until ( $username and $password )
    Now try this:
    #!/usr/bin/perl use strict qw/refs/; use warnings FATAL => 'all'; use HTTP::Cookies; use LWP::UserAgent; use HTTP::Request::Common qw/POST GET/; my $username = 'Login'; my $password = 'pass'; until ( $username and $password ) { print "\nAkamai Administrator credentials\n", "$username\n", "$password \n"; chomp( $username, $password ); } my $ua = LWP::UserAgent->new( cookie_jar => HTTP::Cookies->new, requests_redirectable => [], timeout => 10, agent => "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20100101 Firefox/12.0" ); my $target; my $req = GET 'https://control.akamai.com/EdgeAuth/login.jsp'; if ( $ua->request($req)->as_string =~ m["TARGET_URL" value="(.*)" />\n +] ) { $target = $1; } else { print "Can't proceed without: TARGET_URL\n"; exit; } $req = POST 'https://control.akamai.com/EdgeAuth/userLogin', [ login => "Log In", TARGET_URL => $target, username => $username, password => $password ]; $req = GET 'https://control.akamai.com/home/view/main'; print $ua->request($req)->as_string;

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[stevieb]: debugged my first very low-level C memory issue within a shared library with gdb so I did :D
[stevieb]: problem was in my code, but through the debugger I figured out what was actually happening, and why. Pretty straight forward after a few hours of reading and testing

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