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#!/usr/bin/perl -wT
#----------------------------------------------------------------------
# user manager functions: noframes
#
# Copyright (c) 2001 Daniel van Raay <danielvr@caa.org.au>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#----------------------------------------------------------------------
package esmith;
use strict;
use CGI ':all';
use CGI::Carp qw(fatalsToBrowser);
use esmith::cgi;
use esmith::config;
use esmith::util;
use esmith::db;
use esmith::AccountsDB;
sub showNavigation ($);
sub byweight;
BEGIN
{
# Clear PATH and related environment variables so that calls to
# external programs do not cause results to be tainted. See
# "perlsec" manual page for details.
$ENV {'PATH'} = '';
$ENV {'SHELL'} = '/bin/bash';
delete $ENV {'ENV'};
}
esmith::util::setRealToEffective ();
$CGI::POST_MAX=1024 * 100; # max 100K posts
$CGI::DISABLE_UPLOADS = 1; # no uploads
my %conf;
tie %conf, 'esmith::config';
my %accounts;
tie %accounts, 'esmith::config', '/home/e-smith/db/accounts';
my $a = esmith::AccountsDB->open_ro || die "Error opening AccountsDB\n";
my $q = new CGI;
showNavigation ($q);
exit (0);
#------------------------------------------------------------
# subroutine to display navigation bar
#------------------------------------------------------------
sub showNavigation ($)
{
my $q = shift;
esmith::cgi::genNoframesHeader ($q);
my $acctName = $ENV{'REMOTE_USER'};
my $user = $a->get($acctName) || die "User $acctName not found in AccountsDB\n";
my $availablePanels = $user->prop('AdminPanels') || '';
foreach ($a->user_group_list($acctName)){
my $group = $a->get($_) || die "Group $_ not found in AccountsDB\n";
$availablePanels .= ','.$group->prop('AdminPanels') || '';
}
my $glob = $a->get('globalUP');
my $globalPanels = $glob->prop('AdminPanels') || '';
my @adminpanels;
if ( defined ($availablePanels) && defined ($globalPanels) )
{
@adminpanels = ((split (/,/, $availablePanels, -1)),(split (/,/, $globalPanels, -1)));
}
elsif ( defined ($globalPanels) )
{
@adminpanels = split (/,/, $globalPanels, -1);
}
elsif ( defined ($availablePanels) )
{
@adminpanels = split (/,/, $availablePanels, -1);
}
# Use this variable throughout to keep track of files
# list of just the files
my @files = ();
my %files_hash = ();
#-----------------------------------------------------
# Determine the directory where the functions are kept
# match available panels with delegated panels to this user
#-----------------------------------------------------
my $cgidir = '/etc/e-smith/web/panels/user/cgi-bin/';
if (opendir (DIR, $cgidir))
{
@files = grep (!/^(\..*|userpanel-navigation|userpanel-noframes|userpanel-initial|pleasewait)$/,
readdir (DIR));
closedir (DIR);
}
else
{
warn "Can't open directory $cgidir\n";
}
foreach my $file (@files)
{
foreach my $adminpanel (@adminpanels)
{
if ( $file eq $adminpanel )
{
$files_hash{$file} = $cgidir;
}
}
}
#--------------------------------------------------
# For each script, extract the description and category
# information. Build up an associative array mapping headings
# to heading structures. Each heading structure contains the
# total weight for the heading, the number of times the heading
# has been encountered, and another associative array mapping
# descriptions to description structures. Each description
# structure contains the filename of the particular cgi script
# and a weight.
#--------------------------------------------------
my %nav = ();
foreach my $file (keys %files_hash)
{
#--------------------------------------------------
# extract heading, description and weight information
# from CGI script
#--------------------------------------------------
my $heading = "Unknown";
my $headingWeight = 0;
my $description = "Unknown";
my $descriptionWeight = 0;
unless (open (RD, "$files_hash{$file}/$file"))
{
warn "Can't open file $files_hash{$file}/$file: $!\n";
next;
}
while (<RD>)
{
if (/^\s*#\s*heading\s*:\s*(.+?)\s*$/)
{
$heading = $1;
}
if (/^\s*#\s*description\s*:\s*(.+?)\s*$/)
{
$description = $1;
}
if (/^\s*#\s*navigation\s*:\s*(\d+?)\s+(\d+?)\s*$/)
{
$headingWeight = $1;
$descriptionWeight = $2;
}
last if ($heading ne "Unknown" && $headingWeight && $description ne "Unknown" && $descriptionWeight);
}
close RD;
#--------------------------------------------------
# add heading, description and weight information to data structure
#--------------------------------------------------
unless (exists $nav {$heading})
{
$nav {$heading} = { COUNT => 0, WEIGHT => 0, DESCRIPTIONS => [] };
}
$nav {$heading} {'COUNT'} ++;
$nav {$heading} {'WEIGHT'} += $headingWeight;
# Check for manager panel, and assign the appropriate
# cgi-bin prefix for the links.
# Grab the last 2 directories by splitting for '/'s and
# then concatenating the last 2
# probably a better way, but I don't know it.
my @filename = split /\//, $files_hash{$file};
my $path = "/user-manager/$filename[scalar @filename - 1]";
push @{ $nav {$heading} {'DESCRIPTIONS'} },
{ DESCRIPTION => $description,
WEIGHT => $descriptionWeight,
FILENAME => "$path/$file",
CGIPATH => $path
};
}
#--------------------------------------------------
# generate list of headings sorted by average weight
#--------------------------------------------------
my @unsortedheadings = keys %nav;
my $h;
local @esmith::weights = ();
foreach $h (@unsortedheadings)
{
push (@esmith::weights, ($nav {$h} {'WEIGHT'} / $nav {$h} {'COUNT'}));
}
my @sortedheadings = @unsortedheadings [sort byweight $[..$#unsortedheadings];
foreach $h (@sortedheadings)
{
print $q->h2 ($h);
#--------------------------------------------------
# generate list of descriptions sorted by weight
#--------------------------------------------------
my @unsorteddescriptions = @{ $nav {$h} {'DESCRIPTIONS'} };
my $d;
@esmith::weights = ();
foreach $d (@unsorteddescriptions)
{
push (@esmith::weights, $d->{'WEIGHT'});
}
my @indices = sort byweight $[..$#unsorteddescriptions;
print "<ul>\n";
my $i;
foreach $i (@indices)
{
my $href = $unsorteddescriptions [$i]->{'FILENAME'};
print $q->li ($q->a ({href => $href}, $unsorteddescriptions [$i]->{'DESCRIPTION'}));
}
print "</ul>\n";
}
esmith::cgi::genNavigationFooter ($q);
}
sub byweight
{
$esmith::weights [$a] <=> $esmith::weights [$b];
}