#!/usr/bin/perl
use strict;
use CGI qw(:standard);
use XML::Simple;
use utf8;
BEGIN {
chdir("/etc/lilalo");
require l3config;
l3config::init_config();
};
my %filter;
for my $key (qw(login_from local_session_id action)) {
$filter{$key} = param($key) if param($key);
$filter{$key} = $ENV{$key} if defined $ENV{$key};
}
my %Trainings;
my $XMLTraining;
my %Machines;
my $print = "";
$l3config::Config{cgi2file} = $ENV{cgi2file} if defined($ENV{cgi2file});
$ENV{PATH_INFO} = $l3config::Config{cgi_path_info} if $l3config::Config{cgi_path_info};
my $is_not_cgi="";
$is_not_cgi = "1" if $l3config::Config{cgi2file};
# Пока что мы считаем, что вызов выполняется через CGI,
# если не установлена переменная cgi2file
# и не передан такой аргумент командной строки.
# Это неверно, но как временное решение - пойдёт
my $to_file = $l3config::Config{cgi2file};
$l3config::Config{frontend_css} =~ s@^/@@ if $is_not_cgi;
sub load_training
{
my $training_file;
$training_file = $_[0] || $l3config::Config{"classfile"} ||
$l3config::Config{"path_classes"}.$l3config::Config{"class"}.$l3config::Config{"class_suffix"};
my $XMLTraining = XMLin($training_file , ForceArray => [ 'student' ] )
or die "Can't open file of the training ",$training_file,"\n";
my $course_file = $l3config::Config{"courses_path"}.$XMLTraining->{"course"}.".xml";
my $XMLCourse;
if (eval{$XMLCourse = XMLin($course_file)}) {
$XMLTraining->{"course-name"} = $XMLCourse->{"fullname"};
}
for my $student (@{$XMLTraining->{"student"}}) {
$XMLTraining->{host}->{$student->{"host"}}=$student;
}
return $XMLTraining;
}
if ($ENV{PATH_INFO} eq "/index") {
# Показываем индекс курсов
my @training_files = glob($l3config::Config{"path_classes"}."/2*".$l3config::Config{"class_suffix"});
if (@training_files) {
for my $training_file (@training_files) {
$training_file =~ s@.*/@@;
$training_file =~ s@$l3config::Config{"class_suffix"}$@@;
my $training = load_training($training_file);
$Trainings{$training->{"date"}}=$training;
}
$print .= "<html>\n";
$print .= "<head>\n";
$print .= "<title>Журналы лабораторных работ</title>\n";
$print .= "</head>\n";
$print .= "<body>\n";
$print .= "<table>\n";
for my $tdate (reverse sort keys %Trainings) {
my $t = $Trainings{$tdate};
$print .= "<tr>";
$print .= "<td>".$t->{date}."</td>";
$print .= "<td colspan='7'>".$t->{course}."</td>";
$print .= "</tr>\n";
for my $host (sort keys %{$t->{host}}) {
my %row;
my @row_keys = qw{
name email company host root user
};
my $h = $t->{host}->{$host};
$row{name}= $h->{firstname}." ".$h->{surname};
$row{email}= $h->{email};
$row{company} = $h->{company};
$row{host} = "$host";
$row{root} = "<a href='/cgi-bin/l3/".$tdate."/".$host."/root'>root</a> ";
$row{user} = "<a href='/cgi-bin/l3/".$tdate."/".$host."/".$h->{user}."'>".$h->{user}."</a> ";
$print .= "<tr>".join("", map("<td style='$_'>$row{$_}</td>", @row_keys))."</tr>";
}
}
$print .= "</table>\n";
$print .= "</body>\n";
$print .= "</html>\n";
}
else {
$print .= "No training-files found<br/>\n";
$print .= "Template to load files: ".$l3config::Config{"path_classes"}."*".$l3config::Config{"class_suffix"}."\n"
}
}
elsif ($ENV{PATH_INFO} eq "/current") {
open (FRONTEND, "./l3-frontend --output - --show_comments no --frontend_css $l3config::Config{frontend_css}|");
binmode FRONTEND, ":utf8";
while (<FRONTEND>) {
$print .= $_;
}
close(FRONTEND);
}
else {
# Вызов производится по URL
$ENV{PATH_INFO} = "/".$ENV{PATH_INFO} unless $ENV{PATH_INFO} =~ m@^/@;
#my ($skip, $training, $host, $user) = split /\//,$ENV{PATH_INFO},4;
my ($skip, $training, $host, $user) = split /\//,$ENV{PATH_INFO},4;
if (!$host || $host eq "index") {
# Нам неизвестен курс или явно указан просмотр индекса
# Просматриваем его
my $t;
if ( -e "/var/lilalo/lablogs-xml/$training/class.xml" ) {
$t = load_training("/var/lilalo/lablogs-xml/$training/class.xml");
}
else {
$l3config::Config{class}=$training;
$t = load_training;
}
$training ||= "current";
my $prefix = "/cgi-bin/l3/$training/";
my $suffix = "";
if ($is_not_cgi) {
$prefix = "";
$suffix = ".html";
}
my $path = $to_file;
$path = "" unless $path =~ s@/[^/]*$@@;
$print .= "<html>\n";
$print .= "<head>\n";
$print .= "<title>Журналы лабораторных работ</title>\n";
$print .= "<meta content='text/html; charset=utf-8' http-equiv='Content-Type' />";
$print .= "<link rel='stylesheet' href='".$l3config::Config{frontend_css}."' type='text/css'/>\n";
$print .= "</head>\n";
$print .= "<body>\n";
$print .= "<h1>Журналы лабораторных работ</h1>\n";
$print .= "<table>\n";
$print .= "<tr class='table_header'>\n";
$print .= "<td>"."Имя"."</td>";
$print .= "<td>Хост</td>";
$print .= "<td colspan='3'>Пользователь</td>";
$print .= "</tr>\n";
for my $host (sort keys %{$t->{host}}) {
$print .= "<tr>\n";
my $h = $t->{host}->{$host};
$print .= "<td>".$h->{firstname}." ".$h->{surname}."</td>";
$print .= "<td>$host</td>";
$print .= "<td><a href='".$prefix.$host."/root$suffix'>root</a></td>";
$print .= "<td><a href='".$prefix.$host."/".$h->{user}."$suffix'>".$h->{user}."</a></td>";
$print .= "<td><a href='".$prefix.$host."$suffix'>все</a></td>" if not $is_not_cgi;
$print .= "</td>\n";
$print .= "</tr>\n";
if ($is_not_cgi) {
# Это грязный хак
# Если мы чувствуем, что нас вызывают для генерения индексного файла,
# нам нужно создать и файлы, на которые он указывает
# Лучше было бы это сделать хотя бы через вызов функций
# Такой же хак чуть ниже
mkdir("$path/$host");
system("$0 --cgi2file $path/$prefix$host/root$suffix ".
"--cgi_path_info ".$training."/".$host."/root ".
"--frontend_css ../$l3config::Config{frontend_css}");
system("$0 --cgi2file $path/$prefix$host/".$h->{user}."$suffix ".
"--cgi_path_info ".$training."/".$host."/".$h->{user}." ".
"--frontend_css ../$l3config::Config{frontend_css}");
# system("$0 --cgi2file $path/$prefix$host$suffix ".
# "--cgi_path_info ".$training."/".$host." ".
# "--frontend_css ../$l3config::Config{frontend_css}");
}
}
# Такой же хак был чуть выше
if ($is_not_cgi) {
# $print .= "<td><a href='".$prefix."instructor.".$suffix."'>все</a></td>";
# system("$0 --cgi2file $path/$prefix$host$suffix"
# . " --cgi_path_info ".$training."?login_from=192.168.15.254".$host
# . " --frontend_css ../$l3config::Config{frontend_css}");
}
else {
$print .= "<tr>\n";
$print .= "<td>"."Инструктор"."</td>";
$print .= "<td>from linux.nt</td>";
$print .= "<td/>";
$print .= "<td/>";
$print .= "<td><a href='$training"."?login_from=192.168.15.254'>все</a></td>";
}
$print .= "</tr>\n";
$print .= "</table>\n";
$print .= "</body>\n";
$print .= "</html>\n";
}
else {
my @args=(
"--output" => "-",
"--show_comments" => "no",
);
$l3config::Config{"class"}=$training if $training ne 'current';
if ( -e "/var/lilalo/lablogs-xml/$training/class.xml" ) {
$XMLTraining = load_training("/var/lilalo/lablogs-xml/$training/class.xml");
}
else {
$XMLTraining = load_training;
}
if ($XMLTraining) {
my @args=(
"--course-center" => $XMLTraining->{center},
"--course-trainer" => $XMLTraining->{instructor}->{firstname}." ".$XMLTraining->{instructor}->{surname},
"--course-student" => $XMLTraining->{host}->{$host}->{firstname}." ".$XMLTraining->{host}->{$host}->{surname},
"--course-code" => $XMLTraining->{course},
"--course-date" => $XMLTraining->{date},
"--encoding" => $XMLTraining->{host}->{$host}->{charset},
);
if ($XMLTraining->{"course-name"}) {
push @args, ("--course-name" => $XMLTraining->{"course-name"});
};
}
if ($training ne 'current') {
push @args, ("--backend_datafile" => "/var/lilalo/lablogs-xml/$training/$host/$user.xml");
} else {
$filter{hostname} = $host if $host;
$filter{user} = $user if $user;
}
push @args, ("--filter" => join ("&", (map("$_=$filter{$_}", keys %filter))));
#$print .= "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |<br/>";
open (FRONTEND, "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |");
binmode FRONTEND, ":utf8";
while (<FRONTEND>) {
$print .= $_;
}
close(FRONTEND);
}
}
# Если задана переменная окружения l3_to_file,
# печатаем в файл с соответствующим именем,
# в противном случае -- выводим на стандартный поток вывода
if (not $to_file) {
binmode STDOUT, ":utf8";
print header(-charset => "utf-8");
print $print;
}
else {
open(FILE, ">:utf8", $to_file)
or die "Can't open $to_file for writing";
print FILE $print;
close(FILE);
}