IkiWiki/Plugin/getsource.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::getsource;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki;
   7 use open qw{:utf8 :std};
   8
   9 sub import {
  10         hook(type => "getsetup", id => "getsource", call => \&getsetup);
  11         hook(type => "pagetemplate", id => "getsource", call => \&pagetemplate);
  12         hook(type => "cgi", id => "getsource", call => \&cgi_getsource);
  13 }
  14
  15 sub getsetup () {
  16         return
  17                 plugin => {
  18                         safe => 1,
  19                         rebuild => 1,
  20                 },
  21                 getsource_mimetype => {
  22                         type => "string",
  23                         example => "text/plain; charset=utf-8",
  24                         description => "Mime type for returned source.",
  25                         safe => 1,
  26                         rebuild => 0,
  27                 },
  28 }
  29
  30 sub pagetemplate (@) {
  31         my %params=@_;
  32
  33         my $page=$params{page};
  34         my $template=$params{template};
  35
  36         if (length $config{cgiurl}) {
  37                 $template->param(getsourceurl => IkiWiki::cgiurl(do => "getsource", page => $page));
  38                 $template->param(have_actions => 1);
  39         }
  40 }
  41
  42 sub cgi_getsource ($) {
  43         my $cgi=shift;
  44
  45         return unless defined $cgi->param('do') &&
  46                       $cgi->param("do") eq "getsource";
  47
  48         IkiWiki::decode_cgi_utf8($cgi);
  49
  50         my $page=$cgi->param('page');
  51
  52         if (! defined $page || $page !~ /$config{wiki_file_regexp}/) {
  53                 error("invalid page parameter");
  54         }
  55
  56         # For %pagesources.
  57         IkiWiki::loadindex();
  58
  59         if (! exists $pagesources{$page}) {
  60                 IkiWiki::cgi_custom_failure(
  61                         $cgi,
  62                         "404 Not Found",
  63                         IkiWiki::misctemplate(gettext("missing page"),
  64                                 "<p>".
  65                                 sprintf(gettext("The page %s does not exist."),
  66                                         htmllink("", "", $page)).
  67                                 "</p>"));
  68                 exit;
  69         }
  70
  71         if (! defined pagetype($pagesources{$page})) {
  72                 IkiWiki::cgi_custom_failure(
  73                         $cgi->header(-status => "403 Forbidden"),
  74                         IkiWiki::misctemplate(gettext("not a page"),
  75                                 "<p>".
  76                                 sprintf(gettext("%s is an attachment, not a page."),
  77                                         htmllink("", "", $page)).
  78                                 "</p>"));
  79                 exit;
  80         }
  81
  82         if (! $config{getsource_mimetype}) {
  83                 $config{getsource_mimetype} = "text/plain; charset=utf-8";
  84         }
  85
  86         print "Content-Type: $config{getsource_mimetype}\r\n";
  87         print ("\r\n");
  88         print readfile(srcfile($pagesources{$page}));
  89
  90         exit 0;
  91 }
  92
  93 1