+
+I just implemented this. There is one [[patch]] to the default page template, and a new plugin. -- [[Will]]
+
+----
+
+ diff --git a/templates/page.tmpl b/templates/page.tmpl
+ index f2f9c34..3176bed 100644
+ --- a/templates/page.tmpl
+ +++ b/templates/page.tmpl
+ @@ -46,6 +46,9 @@
+ <TMPL_IF NAME="HISTORYURL">
+ <li><a href="<TMPL_VAR HISTORYURL>">History</a></li>
+ </TMPL_IF>
+ +<TMPL_IF NAME="GETSOURCEURL">
+ +<li><a href="<TMPL_VAR GETSOURCEURL>">Get Source</a></li>
+ +</TMPL_IF>
+ <TMPL_IF NAME="PREFSURL">
+ <li><a href="<TMPL_VAR PREFSURL>">Preferences</a></li>
+ </TMPL_IF>
+
+----
+
+ #!/usr/bin/perl
+ package IkiWiki::Plugin::getsource;
+
+ use warnings;
+ use strict;
+ use IkiWiki;
+ use open qw{:utf8 :std};
+
+ sub import { #{{{
+ hook(type => "getsetup", id => "getsource", call => \&getsetup);
+ hook(type => "pagetemplate", id => "getsource", call => \&pagetemplate);
+ hook(type => "sessioncgi", id => "getsource", call => \&cgi_getsource);
+ } # }}}
+
+ sub getsetup () { #{{{
+ return
+ plugin => {
+ safe => 1,
+ rebuild => 1,
+ },
+ getsource_mimetype => {
+ type => "string",
+ example => "application/octet-stream",
+ description => "Mime type for returned source.",
+ safe => 1,
+ rebuild => 0,
+ },
+ } #}}}
+
+ sub pagetemplate (@) { #{{{
+ my %params=@_;
+
+ my $page=$params{page};
+ my $template=$params{template};
+
+ if (length $config{cgiurl}) {
+ $template->param(getsourceurl => IkiWiki::cgiurl(do => "getsource", page => $page));
+ $template->param(have_actions => 1);
+ }
+ } # }}}
+
+ sub cgi_getsource ($$) { #{{{
+ my $cgi=shift;
+ my $session=shift;
+
+ # Note: we use sessioncgi rather than just cgi
+ # because we need $IkiWiki::pagesources{} to be
+ # populated.
+
+ return unless (defined $cgi->param('do') &&
+ $cgi->param("do") eq "getsource");
+
+ IkiWiki::decode_cgi_utf8($cgi);
+
+ my $page=$cgi->param('page');
+
+ if ($IkiWiki::pagesources{$page}) {
+
+ my $data = IkiWiki::readfile(IkiWiki::srcfile($IkiWiki::pagesources{$page}));
+
+ if (! $config{getsource_mimetype}) {
+ $config{getsource_mimetype} = "text/plain";
+ }
+
+ print "Content-Type: $config{getsource_mimetype}\r\n";
+
+ print ("\r\n");
+
+ print $data;
+
+ exit 0;
+ }
+
+ error("Unable to find page source for page: $page");
+
+ exit 0;
+ }
+
+ 1