* Add a googlecalendar plugin. A bit special-purpose, but it shows

[ikiwiki.git] / IkiWiki / Plugin / googlecalendar.pm

diff --git a/IkiWiki/Plugin/googlecalendar.pm b/IkiWiki/Plugin/googlecalendar.pm
new file mode 100644 (file)
index 0000000..c99563d
--- /dev/null
+++ b/IkiWiki/Plugin/googlecalendar.pm
@@ -0,0 +1,46 @@
+#!/usr/bin/perl
+package IkiWiki::Plugin::googlecalendar;
+
+use warnings;
+use strict;
+use IkiWiki;
+use IPC::Open2;
+
+sub import { #{{{
+       IkiWiki::hook(type => "preprocess", id => "googlecalendar",
+               call => \&preprocess);
+       IkiWiki::hook(type => "format", id => "googlecalendar",
+               call => \&format);
+} # }}}
+
+sub preprocess (@) { #{{{
+       my %params=@_;
+
+       # Parse the html, looking for the url to embed for the calendar.
+       # Avoid XSS attacks..
+       my ($url)=$params{html}=~m#iframe\s+src="http://www\.google\.com/calendar/embed\?([^"<>]+)"#;
+       if (! defined $url || ! length $url) {
+               return "[[googlecalendar failed to find url in html]]";
+       }
+       my ($height)=$params{html}=~m#height="(\d+)"#;
+       my ($width)=$params{html}=~m#width="(\d+)"#;
+
+       return "<div class=\"googlecalendar\" src=\"$url\" height=\"$height\" width=\"$width\"></div>";
+} # }}}
+
+sub format (@) { #{{{
+        my %params=@_;
+
+       $params{content}=~s/<div class=\"googlecalendar" src="([^"]+)" height="([^"]+)" width="([^"]+)"><\/div>/gencal($1,$2,$3)/eg;
+
+        return $params{content};
+} # }}}
+
+sub gencal ($$$) { #{{{
+       my $url=shift;
+       my $height=shift;
+       my $width=shift;
+       return qq{<iframe src="http://www.google.com/calendar/embed?$url" style=" border-width:0 " width="$width" frameborder="0" height="$height"></iframe>};
+} #}}}
+
+1