| rev | line source | 
| devi@101 | 1 #!/usr/bin/perl | 
| devi@101 | 2 | 
| devi@101 | 3 use strict; | 
| devi@101 | 4 use CGI qw(:standard); | 
| devi@101 | 5 use utf8; | 
| devi@101 | 6 | 
| devi@101 | 7 BEGIN { | 
| igor@115 | 8     chdir("/etc/lilalo/"); | 
| devi@101 | 9     require l3config; | 
| devi@101 | 10     l3config::init_config(); | 
| devi@101 | 11 }; | 
| devi@101 | 12 | 
| devi@101 | 13 sub path_is_correct($); | 
| devi@101 | 14 sub error($); | 
| devi@101 | 15 sub remove_extra_slashes_from($); | 
| devi@101 | 16 sub print_header($); | 
| devi@101 | 17 sub print_footer; | 
| devi@101 | 18 sub nav_bar; | 
| devi@101 | 19 | 
| igor@109 | 20 sub count_command_lines($); | 
| igor@109 | 21 | 
| devi@101 | 22 my $print=""; | 
| devi@101 | 23 my $path = $ENV{PATH_INFO}; | 
| devi@101 | 24 remove_extra_slashes_from($path); | 
| devi@101 | 25 | 
| igor@109 | 26 | 
| igor@109 | 27 my $commands_to_show_at_a_go = $l3config::Config{"commands_to_show_at_a_go"}; | 
| igor@110 | 28 my $start_from_command = "0"; | 
| igor@109 | 29 my $this_page_number=0; | 
| igor@109 | 30 if ($path =~ s/:(.*)//) { | 
| igor@109 | 31     $this_page_number = $1; | 
| igor@109 | 32     $start_from_command = $this_page_number*$commands_to_show_at_a_go; | 
| igor@109 | 33 } | 
| igor@109 | 34 | 
| devi@101 | 35 my $real_path = $l3config::Config{"backend_datadir"} ; | 
| devi@101 | 36 my $cgi_path = $l3config::Config{"cgi_path"} ; | 
| devi@101 | 37 my $style_files = $l3config::Config{"frontend_files"} ; | 
| devi@101 | 38 my $frontend_css = $l3config::Config{"frontend_css"} ; | 
| igor@109 | 39 | 
| devi@101 | 40 my $data_file = "data.xml"; | 
| devi@101 | 41 | 
| devi@101 | 42 path_is_correct($path) | 
| devi@101 | 43     or error ("Путь $path содержит недопустимые символы или комбинации символов."); | 
| devi@101 | 44 | 
| devi@101 | 45 $real_path .= $path; | 
| devi@101 | 46 remove_extra_slashes_from($real_path); | 
| devi@101 | 47 | 
| devi@101 | 48 # Чувак, ты хотел бы посмотреть на журнал $path | 
| devi@101 | 49 # Он должен находиться в каталоге $real_path файловой системы\n"; | 
| devi@101 | 50 | 
| devi@101 | 51 (-d $real_path) | 
| devi@101 | 52     or error("Каталог <b>$real_path</b> не существует. Проверьте, пожалуйста, URL\n"); | 
| devi@101 | 53 | 
| devi@101 | 54 if (-e $real_path."/$data_file") { | 
| devi@101 | 55 | 
| devi@101 | 56 # В каталоге есть файл $data_file | 
| devi@101 | 57 # Отлично! Сейчас будем показывать журнал | 
| devi@101 | 58 | 
| devi@101 | 59 # Если существуют html и xml файлы, | 
| devi@101 | 60 # html файл новее чем xml, | 
| devi@101 | 61 # и CGI-скрипту не передано дополнительных параметров, | 
| devi@101 | 62 # используем html файл, иначе перегенируем его | 
| devi@101 | 63 | 
| devi@101 | 64     unless ( -e "$real_path/$data_file" | 
| devi@101 | 65              && -e "$real_path/index.html" | 
| igor@109 | 66              && (stat("$real_path/index.html"))[9] > (stat("$real_path/$data_file"))[9] && 0!=0 ) { | 
| devi@101 | 67 | 
| igor@125 | 68         my $l3_frontend = "l3-frontend --backend_datafile $real_path/$data_file --output $real_path/index.html --start_from_command $start_from_command "; | 
| devi@101 | 69         system($l3_frontend) == 0 | 
| devi@101 | 70             or error("Файл журнала найден, но возникла ошибка при его обработке:<br/> $!"); | 
| igor@109 | 71         #$print .= "(перегенирован)<br/>"; | 
| devi@101 | 72     } | 
| devi@101 | 73 | 
| devi@101 | 74     { | 
| devi@101 | 75         local $/; | 
| devi@101 | 76         open(HTML, "<:utf8", "$real_path/index.html"); | 
| devi@101 | 77         my $html = <HTML>; | 
| devi@101 | 78 | 
| devi@101 | 79 # Добавим в начало документа навигационную строку | 
| devi@101 | 80         my $nav_bar = nav_bar; | 
| devi@101 | 81         $html =~ s/(<body[^>]*>)/$1$nav_bar/; | 
| devi@101 | 82 | 
| devi@101 | 83         $print .= $html; | 
| devi@101 | 84         close(HTML); | 
| devi@101 | 85     } | 
| devi@101 | 86 | 
| devi@101 | 87 } | 
| devi@101 | 88 else { | 
| devi@101 | 89 | 
| devi@101 | 90 # В этом каталоге нет файла data.xml | 
| devi@101 | 91 # Но в нём должны быть подкаталоги! | 
| devi@101 | 92 # Если и их тут нет, то тут вообще делать нечего | 
| devi@101 | 93 | 
| devi@101 | 94     $print .= nav_bar; | 
| devi@101 | 95 | 
| devi@101 | 96     my @dirs = glob("$real_path/*"); | 
| devi@101 | 97     my $folder_link = "$cgi_path/$path"; | 
| devi@101 | 98     remove_extra_slashes_from($folder_link); | 
| devi@101 | 99 | 
| devi@101 | 100     $folder_link =~ s@/[^\/]*/?$@@; | 
| devi@101 | 101     if ($folder_link) { | 
| devi@101 | 102         $print .= "<img src='$style_files/folder.up.gif'/><a href='$folder_link'>..</a><br/>"; | 
| devi@101 | 103     } | 
| devi@101 | 104 | 
| devi@101 | 105     for my $dir (@dirs) { | 
| devi@101 | 106         next unless (-d $dir); | 
| devi@101 | 107         my ($folder_name) = $dir =~ m@.*/(.*)@; | 
| devi@101 | 108         $folder_link = "$cgi_path/$path/$folder_name"; | 
| devi@101 | 109         $folder_link =~ s@//@/@g; | 
| devi@101 | 110         $print .= "<img src='$style_files/folder.gif'/><a href='$folder_link'>$folder_name</a><br/>"; | 
| devi@101 | 111     } | 
| devi@101 | 112 | 
| devi@101 | 113     $print = print_header("LiLaLo -- ".remove_extra_slashes_from("$cgi_path/$path")) | 
| devi@101 | 114             .$print | 
| devi@101 | 115             .print_footer; | 
| devi@101 | 116 }; | 
| devi@101 | 117 | 
| devi@101 | 118 binmode STDOUT, ":utf8"; | 
| devi@101 | 119 print header(-charset => "utf-8"); | 
| devi@101 | 120 print $print; | 
| devi@101 | 121 exit(0); | 
| devi@101 | 122 | 
| devi@101 | 123 #---------------------------------------------- | 
| devi@101 | 124 | 
| devi@101 | 125 | 
| devi@101 | 126 sub error($) | 
| devi@101 | 127 { | 
| devi@101 | 128 my $message = $_[0]; | 
| devi@101 | 129 | 
| devi@101 | 130 binmode STDOUT, ":utf8"; | 
| devi@101 | 131 print header(-charset => "utf-8"); | 
| devi@101 | 132 | 
| devi@101 | 133 my $print = "<h2>Извините, произошла ошибка</h2>"; | 
| devi@101 | 134 $print .= $message; | 
| devi@101 | 135 | 
| devi@101 | 136 print $print; | 
| devi@101 | 137 exit(0); | 
| devi@101 | 138 } | 
| devi@101 | 139 | 
| devi@101 | 140 | 
| devi@101 | 141 sub path_is_correct($) | 
| devi@101 | 142 { | 
| devi@101 | 143     my $path = $_[0]; | 
| devi@106 | 144    # return 0 if $path =~ m@/../@; | 
| devi@101 | 145     return 0 unless $path =~ m@^[a-zA-Z0-9./\@\-]*$@; | 
| devi@101 | 146     return 1; | 
| devi@101 | 147 } | 
| devi@101 | 148 | 
| devi@101 | 149 sub remove_extra_slashes_from($) | 
| devi@101 | 150 { | 
| devi@101 | 151   while ($_[0] =~ s@//@/@g) {1;}; | 
| devi@101 | 152   return $_[0]; | 
| devi@101 | 153 } | 
| devi@101 | 154 | 
| devi@101 | 155 sub print_header($) | 
| devi@101 | 156 { | 
| devi@101 | 157     my $title = $_[0]; | 
| devi@101 | 158     "<html>" | 
| devi@101 | 159     ."<head>" | 
| devi@101 | 160     ."<meta content='text/html; charset=utf-8' http-equiv='Content-Type' />" | 
| devi@101 | 161     ."<link rel='stylesheet' href='$frontend_css' type='text/css'/>" | 
| devi@101 | 162     ."<title>$title</title>" | 
| devi@101 | 163     ."</head>" | 
| devi@101 | 164 } | 
| devi@101 | 165 | 
| devi@101 | 166 sub print_footer() | 
| devi@101 | 167 { | 
| devi@101 | 168     "</html>"; | 
| devi@101 | 169 } | 
| devi@101 | 170 | 
| devi@101 | 171 sub nav_bar() | 
| devi@101 | 172 { | 
| devi@101 | 173     my $nav_bar=""; | 
| devi@101 | 174     my $skip_first=1; | 
| devi@101 | 175     my $current_path=""; | 
| devi@101 | 176     for my $path_part (split("/", remove_extra_slashes_from("$cgi_path/$path"))) { | 
| devi@101 | 177         if ($skip_first) { | 
| devi@101 | 178             $skip_first--; | 
| devi@101 | 179             next; | 
| devi@101 | 180         } | 
| devi@101 | 181         $current_path .= "/$path_part"; | 
| devi@101 | 182         $nav_bar .= "/<a href='$current_path'>$path_part</a>"; | 
| devi@101 | 183     } | 
| igor@109 | 184     my $pages=int(count_command_lines("$real_path/$data_file")/$commands_to_show_at_a_go)+1; | 
| igor@109 | 185     my $i=1; | 
| igor@109 | 186     while ($i<$pages) { | 
| igor@109 | 187         if ($i==$this_page_number) { | 
| igor@109 | 188             $nav_bar .= " <b>:$i</b>"; | 
| igor@109 | 189         } | 
| igor@109 | 190         else { | 
| igor@109 | 191             $nav_bar .= " <a href='$current_path:$i'>:$i</a>"; | 
| igor@109 | 192         } | 
| igor@109 | 193         $i++; | 
| igor@109 | 194     } | 
| devi@101 | 195     return "<table class='nav_bar' cellpadding='0' cellspacing='0' width='100%'><tr><td>$nav_bar</td></tr></table>"; | 
| devi@101 | 196 } | 
| devi@101 | 197 | 
| igor@109 | 198 sub count_command_lines($) | 
| igor@109 | 199 # | 
| igor@109 | 200 # Считает количество строк в файле с данными | 
| igor@109 | 201 # Грязный временный хак | 
| igor@109 | 202 # | 
| igor@109 | 203 { | 
| igor@109 | 204     my $filename= $_[0]; | 
| igor@109 | 205     return int(`grep '<command>' $filename |wc -l`); | 
| igor@109 | 206 #    return $filename; | 
| igor@109 | 207 } | 
| igor@109 | 208 |