%# BEGIN LICENSE BLOCK
%# 
%# Copyright (c) 1996-2003 Jesse Vincent <jesse@bestpractical.com>
%# 
%# (Except where explictly superceded by other copyright notices)
%# 
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%# 
%# This work is distributed in the hope that it will be useful, but
%# WITHOUT ANY WARRANTY; without even the implied warranty of
%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%# General Public License for more details.
%# 
%# Unless otherwise specified, all modifications, corrections or
%# extensions to this work which alter its source code become the
%# property of Best Practical Solutions, LLC when submitted for
%# inclusion in the work.
%# 
%# 
%# END LICENSE BLOCK
<%INIT>

# Roll back any dangling transactions from a previous failed connection
$RT::Handle->ForceRollback() if $RT::Handle->TransactionDepth;


local *session;
%ARGS = map {
    # if they've passed multiple values, they'll be an array. if they've passed just one, a scalar
    # whatever they are, mark them as utf8
    my $type = ref($_);
    (!$type)
	? Encode::decode(utf8 => $_, Encode::FB_PERLQQ) :
    ($type eq 'ARRAY')
	? [ map { ref($_) ? $_ : Encode::decode(utf8 => $_, Encode::FB_PERLQQ) } @$_ ] :
    ($type eq 'HASH')
	? { map { ref($_) ? $_ : Encode::decode(utf8 => $_, Encode::FB_PERLQQ) } %$_ } : $_
} %ARGS;

if ($ARGS{'Debug'}) {
        require Time::HiRes;
        $m->{'rt_base_time'} = [Time::HiRes::gettimeofday()];
        
}
else {
        $m->{'rt_base_time'} = time;
}
$m->comp('/Elements/SetupSessionCookie', %ARGS);

unless ($session{'CurrentUser'} && $session{'CurrentUser'}->Id) {
    $session{'CurrentUser'} = RT::CurrentUser->new();
}

# Set the proper encoding for the current language handle
$r->content_type("text/html; charset=utf-8");

# If it's a noauth file, don't ask for auth.
if ($m->base_comp->path =~ '^/+NoAuth/' ||
    $m->base_comp->path =~ '^/+REST/\d+\.\d+/NoAuth/')
{
    $m->call_next(%ARGS);
    $m->abort();
}

# If RT is configured for external auth, let's get REMOTE_USER
elsif ($RT::WebExternalAuth and length($ENV{'REMOTE_USER'})) {
    my $orig_user = $user;

    $user = $ENV{'REMOTE_USER'};
    $session{'CurrentUser'} = RT::CurrentUser->new();
    my $load_method = $RT::WebExternalGecos ? 'LoadByGecos' : 'Load';
    
    if ($^O eq 'MSWin32' and $RT::WebExternalGecos) {
    	my $NodeName = Win32::NodeName();
    	$user =~ s/^\Q$NodeName\E\\//i;
    }

    $session{'CurrentUser'}->$load_method($user);

    if ($RT::WebExternalAuto and !$session{'CurrentUser'}->Id() ) {
	# Create users on-the-fly with default attributes

	my $UserObj = RT::User->new(RT::CurrentUser->new('root'));

	my ($val, $msg) = $UserObj->Create(
	    %{ref($RT::AutoCreate) ? $RT::AutoCreate : {}},
	    Name	 => $user,
	    Gecos	 => $user,
	);

	if ($val) {
	    $UserObj->SetPrivileged(1);

	    if ($^O !~ /^(?:riscos|MacOS|MSWin32|dos|os2)$/) {
		# Populate fields with information from Unix /etc/passwd

		my ($comments, $realname) = (getpwnam($user))[5, 6];
		$UserObj->SetComments($comments) if defined $comments;
		$UserObj->SetRealName($realname) if defined $realname;
	    }
	    elsif ($^O eq 'MSWin32' and eval 'use Net::AdminMisc; 1') {
		# Populate fields with information from NT domain controller
	    }

	    $session{'CurrentUser'}->Load($user);
	}
	else {
	    delete $session{'CurrentUser'};
	    $m->abort() unless $RT::WebFallbackToInternalAuth;
	    $m->comp('/Elements/Login', %ARGS, Error=> loc('Cannot create user: [_1]', $msg));
	}
    }

    unless ( $session{'CurrentUser'}->Id() ) {
        delete $session{'CurrentUser'};
        $user = $orig_user;

	if ( $RT::WebExternalOnly ) {	        
	    $m->comp('/Elements/Login', %ARGS, Error=> loc('You are not an authorized user'));
	    $m->abort();
	}
    }
}

delete $session{'CurrentUser'}
    unless $session{'CurrentUser'} and defined $session{'CurrentUser'}->Id;

# Process per-page authentication callbacks
$m->comp('/Elements/Callback', %ARGS, _CallbackName => 'Auth');

# If the user is logging in, let's authenticate
if (!$session{'CurrentUser'} && defined ($user) && defined ($pass) ){
    $session{'CurrentUser'} = RT::CurrentUser->new();
    $session{'CurrentUser'}->Load($user);

    if (!$session{'CurrentUser'}->id() ||
        !$session{'CurrentUser'}->IsPassword($pass))
    {
        delete $session{'CurrentUser'};
        $m->comp('/Elements/Login', %ARGS,
                 Error => loc('Your username or password is incorrect'));
        $m->abort();
    }
}
  
# If we've got credentials, let's serve the file up.
if ( (defined $session{'CurrentUser'}) and 
     ( $session{'CurrentUser'}->Id) ) {
    
    # Process per-page global callbacks
    $m->comp('/Elements/Callback', %ARGS);

    # If the user isn't privileged, they can only see SelfService
    if ((! $session{'CurrentUser'}->Privileged) and
	($m->base_comp->path !~ '^(/+)SelfService/') ) {
	$m->comp('/SelfService/index.html');
	$m->abort();
    }
    else {
	$m->call_next(%ARGS);
    }
}

# If we have no credentials
else {
    $m->comp('/Elements/Login', %ARGS);
    $m->abort();
}
</%INIT>
<& /Elements/Footer, %ARGS &>
<%ARGS>
$user => undef
$pass => undef
$menu => undef
</%ARGS>