edithelp.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2007 Liblime Ltd
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use strict;
  21 use C4::Output;
  22 use C4::Templates;
  23 use C4::Auth;
  24 use CGI qw ( -utf8 );
  25 use warnings;
  26
  27 use vars qw($debug);
  28
  29 BEGIN {
  30         $debug = $ENV{DEBUG} || 0;
  31 }
  32
  33 our $input = new CGI;
  34
  35 my $type    = $input->param('type') || '';
  36 my $referer = $input->param('referer') || '';
  37 my $oldreferer = $referer;
  38 my $help    = $input->param('help') || '';
  39 # strip any DOS-newlines that TinyMCE may have sneaked in
  40 $help =~ s/\r//g;
  41 my $error;
  42
  43 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  44     {
  45         template_name   => "help/edithelp.tt",
  46         query           => $input,
  47         type            => "intranet",
  48         authnotrequired => 0,
  49         flagsrequired   => {
  50             catalogue        => 1,
  51             circulate        => 1,
  52             parameters       => 1,
  53             borrowers        => 1,
  54             permissions      => 1,
  55             reserveforothers => 1,
  56             borrow           => 1,
  57             reserveforself   => 1,
  58             editcatalogue    => 1,
  59             updatecharges    => 1,
  60         },
  61         debug => 1,
  62     }
  63 );
  64
  65 sub _get_filepath ($;$) {
  66     my $referer = shift;
  67     $referer =~ /koha\/(.*)\.pl/;
  68     my $file = $1;
  69     $file =~ s/[^0-9a-zA-Z_\-\/]*//g;
  70     my $from = "help/$file.tt";
  71     my $htdocs = C4::Context->config('intrahtdocs');
  72     my ($theme, $lang, $availablethemes) = C4::Templates::themelanguage( $htdocs, $from, "intranet", $input );
  73         $debug and print STDERR "help filepath: $htdocs/$theme/$lang/modules/$from";
  74         return "$htdocs/$theme/$lang/modules/$from";
  75 }
  76
  77 $type = 'create' if $type eq 'addnew';
  78 if ( $type eq 'create' || $type eq 'save' ) {
  79         my $file = _get_filepath($referer);
  80     open my $fh, ">", $file;
  81     if ( $fh ) {
  82         # file is open write to it
  83         print $fh
  84             " [% INCLUDE 'help-top.inc' %]\n",
  85                     $type eq 'create' ? "<div class=\"main\">\n$help\n</div>" : $help,
  86             "\n[% INCLUDE 'help-bottom.inc' %]\n";
  87         close $fh;
  88                 print $input->redirect("/cgi-bin/koha/help.pl?url=$oldreferer");
  89     }
  90     else {
  91         $error = "Cannot write file: '$file'";
  92     }
  93 }
  94 elsif ( $type eq 'modify' ) {
  95     # open file load data, kill include calls, pass data to the template
  96         my $file = _get_filepath($referer, 1);  # 2nd argument triggers themelanguage call
  97         if (! -r $file) {
  98                 $error = "Cannot read file: '$file'.";
  99         } else {
 100                 (-w $file) or $error =
 101                         "WARNING: You will not be able to save, because your webserver cannot write to '$file'. Contact your admin about help file permissions.";
 102         open (my $fh, '<', $file) or die "Cannot read file '$file'";            # unlikely death, since we just checked
 103                 my $help = '';
 104         while ( <$fh> ) {
 105             $help .= /\[% INCLUDE .* %\](.*)$/ ? $1 : $_;
 106                 }
 107                 close $fh;
 108         $template->param( 'help' => $help );
 109                 $type = 'save';
 110         }
 111 }
 112
 113 $template->param(
 114     'referer' => $referer,
 115     'type'    => $type,
 116 );
 117 ($error) and $template->param('error' => $error);
 118 output_html_with_http_headers $input, "", $template->output;