IkiWiki/Plugin/googlecalendar.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::googlecalendar;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki 2.00;
   7
   8 sub import { #{{{
   9         hook(type => "getsetup", id => "googlecalendar",
  10                 call => \&getsetup);
  11         hook(type => "preprocess", id => "googlecalendar",
  12                 call => \&preprocess);
  13         hook(type => "format", id => "googlecalendar",
  14                 call => \&format);
  15 } # }}}
  16
  17 sub getsetup () { #{{{
  18         return
  19                 plugin => {
  20                         safe => 1,
  21                         rebuild => undef,
  22                 },
  23 } #}}}
  24
  25 sub preprocess (@) { #{{{
  26         my %params=@_;
  27
  28         # Parse the html, looking for the url to embed for the calendar.
  29         # Avoid XSS attacks..
  30         my ($url)=$params{html}=~m#iframe\s+src="http://www\.google\.com/calendar/embed\?([^"<>]+)"#;
  31         if (! defined $url || ! length $url) {
  32                 error gettext("failed to find url in html")
  33         }
  34         my ($height)=$params{html}=~m#height="(\d+)"#;
  35         my ($width)=$params{html}=~m#width="(\d+)"#;
  36
  37         return "<div class=\"googlecalendar\" src=\"$url\" height=\"$height\" width=\"$width\"></div>";
  38 } # }}}
  39
  40 sub format (@) { #{{{
  41         my %params=@_;
  42
  43         $params{content}=~s/<div class=\"googlecalendar" src="([^"]+)" height="([^"]+)" width="([^"]+)"><\/div>/gencal($1,$2,$3)/eg;
  44
  45         return $params{content};
  46 } # }}}
  47
  48 sub gencal ($$$) { #{{{
  49         my $url=shift;
  50         my $height=shift;
  51         my $width=shift;
  52         return qq{<iframe src="http://www.google.com/calendar/embed?$url" style=" border-width:0 " width="$width" frameborder="0" height="$height"></iframe>};
  53 } #}}}
  54
  55 1