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