possible debugging aid

[git.ikiwiki.info.git] / IkiWiki / Plugin / inline.pm

diff --git a/IkiWiki/Plugin/inline.pm b/IkiWiki/Plugin/inline.pm
index c712f7bb434b80135b1d4742e3d4451de3f6163d..123dfd36489c8536450971c95267ef30261abcc9 100644 (file)
--- a/IkiWiki/Plugin/inline.pm
+++ b/IkiWiki/Plugin/inline.pm
@@ -4,206 +4,698 @@ package IkiWiki::Plugin::inline;
 
 use warnings;
 use strict;
 
 use warnings;
 use strict;

-use IkiWiki;
+use Encode;
+use IkiWiki 3.00;

 use URI;
 
 use URI;
 

-sub import { #{{{
-       IkiWiki::hook(type => "preprocess", id => "inline", 
-               call => \&IkiWiki::preprocess_inline);
+my %knownfeeds;
+my %page_numfeeds;
+my @inline;
+my $nested=0;
+
+sub import {
+       hook(type => "getopt", id => "inline", call => \&getopt);
+       hook(type => "getsetup", id => "inline", call => \&getsetup);
+       hook(type => "checkconfig", id => "inline", call => \&checkconfig);
+       hook(type => "sessioncgi", id => "inline", call => \&sessioncgi);
+       hook(type => "preprocess", id => "inline", 
+               call => \&IkiWiki::preprocess_inline, scan => 1);
+       hook(type => "pagetemplate", id => "inline",
+               call => \&IkiWiki::pagetemplate_inline);
+       hook(type => "format", id => "inline", call => \&format, first => 1);

        # Hook to change to do pinging since it's called late.
        # This ensures each page only pings once and prevents slow
        # pings interrupting page builds.
        # Hook to change to do pinging since it's called late.
        # This ensures each page only pings once and prevents slow
        # pings interrupting page builds.

-       IkiWiki::hook(type => "change", id => "inline", 
-               call => \&IkiWiki::pingurl);
-} # }}}
+       hook(type => "rendered", id => "inline", call => \&IkiWiki::pingurl);
+}
+
+sub getopt () {
+       eval q{use Getopt::Long};
+       error($@) if $@;
+       Getopt::Long::Configure('pass_through');
+       GetOptions(
+               "rss!" => \$config{rss},
+               "atom!" => \$config{atom},
+               "allowrss!" => \$config{allowrss},
+               "allowatom!" => \$config{allowatom},
+               "pingurl=s" => sub {
+                       push @{$config{pingurl}}, $_[1];
+               },      
+       );
+}
+
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+                       section => "core",
+               },
+               rss => {
+                       type => "boolean",
+                       example => 0,
+                       description => "enable rss feeds by default?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               atom => {
+                       type => "boolean",
+                       example => 0,
+                       description => "enable atom feeds by default?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               allowrss => {
+                       type => "boolean",
+                       example => 0,
+                       description => "allow rss feeds to be used?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               allowatom => {
+                       type => "boolean",
+                       example => 0,
+                       description => "allow atom feeds to be used?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               pingurl => {
+                       type => "string",
+                       example => "http://rpc.technorati.com/rpc/ping",
+                       description => "urls to ping (using XML-RPC) on feed update",
+                       safe => 1,
+                       rebuild => 0,
+               },
+}
+
+sub checkconfig () {
+       if (($config{rss} || $config{atom}) && ! length $config{url}) {
+               error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
+       }
+       if ($config{rss}) {
+               push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
+       }
+       if ($config{atom}) {
+               push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
+       }
+       if (! exists $config{pingurl}) {
+               $config{pingurl}=[];
+       }
+}
+
+sub format (@) {
+       my %params=@_;
+
+       # Fill in the inline content generated earlier. This is actually an
+       # optimisation.
+       $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
+               delete @inline[$1,]
+       }eg;
+       return $params{content};
+}
+
+sub sessioncgi ($$) {
+       my $q=shift;
+       my $session=shift;
+
+       if ($q->param('do') eq 'blog') {
+               my $page=titlepage(decode_utf8($q->param('title')));
+               $page=~s/(\/)/"__".ord($1)."__"/eg; # don't create subdirs
+               # if the page already exists, munge it to be unique
+               my $from=$q->param('from');
+               my $add="";
+               while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
+                       $add=1 unless length $add;
+                       $add++;
+               }
+               $q->param('page', "/$from/$page$add");
+               # now go create the page
+               $q->param('do', 'create');
+               # make sure the editpage plugin is loaded
+               if (IkiWiki->can("cgi_editpage")) {
+                       IkiWiki::cgi_editpage($q, $session);
+               }
+               else {
+                       error(gettext("page editing not allowed"));
+               }
+               exit;
+       }
+}

 
 # Back to ikiwiki namespace for the rest, this code is very much
 # internal to ikiwiki even though it's separated into a plugin.
 package IkiWiki;
 
 my %toping;
 
 # Back to ikiwiki namespace for the rest, this code is very much
 # internal to ikiwiki even though it's separated into a plugin.
 package IkiWiki;
 
 my %toping;

-my @processing_inline;
-
-sub yesno ($) { #{{{
-       my $val=shift;
-       return (defined $val && lc($val) eq "yes");
-} #}}}
+my %feedlinks;

 
 

-sub preprocess_inline (@) { #{{{
+sub preprocess_inline (@) {

        my %params=@_;
        
        my %params=@_;
        

-       # Avoid nested inlines, to avoid loops etc.
-       return "" if grep { $_ eq $params{page} } @processing_inline;
-       push @processing_inline, $params{page};
+       if (! exists $params{pages} && ! exists $params{pagenames}) {
+               error gettext("missing pages parameter");
+       }
+
+       if (! defined wantarray) {
+               # Running in scan mode: only do the essentials
+
+               if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
+                       # default to sorting age, the same as inline itself,
+                       # but let the params override that
+                       IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);
+               }
+
+               return;
+       }

 
 

-       if (! exists $params{pages}) {
-               return "";
+       if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
+               scalar IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);

        }
        }

+

        my $raw=yesno($params{raw});
        my $archive=yesno($params{archive});
        my $raw=yesno($params{raw});
        my $archive=yesno($params{archive});

-       my $rss=exists $params{rss} ? yesno($params{rss}) : 1;
+       my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
+       my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
+       my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
+       my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
+       my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
+       my $feedonly=yesno($params{feedonly});

        if (! exists $params{show} && ! $archive) {
                $params{show}=10;
        }
        if (! exists $params{show} && ! $archive) {
                $params{show}=10;
        }

+       if (! exists $params{feedshow} && exists $params{show}) {
+               $params{feedshow}=$params{show};
+       }
+       my $title;
+       if (exists $params{title}) {
+               $title = $params{title};
+       }
+       else {
+               $title = $params{page} ne "index" ? pagetitle($params{page}) : $config{wikiname};
+       }
+       my $desc;
+       if (exists $params{description}) {
+               $desc = $params{description} 
+       }
+       else {
+               $desc = $config{wikiname};
+       }
+       my $actions=yesno($params{actions});
+       if (exists $params{template}) {
+               $params{template}=~s/[^-_a-zA-Z0-9]+//g;
+       }
+       else {
+               $params{template} = $archive ? "archivepage" : "inlinepage";
+       }

 
        my @list;
 
        my @list;

-       foreach my $page (keys %pagesources) {
-               next if $page eq $params{page};
-               if (pagespec_match($page, $params{pages})) {
-                       push @list, $page;
+
+       if (exists $params{pagenames}) {
+               foreach my $p (qw(sort pages)) {
+                       if (exists $params{$p}) {
+                               error sprintf(gettext("the %s and %s parameters cannot be used together"),
+                                       "pagenames", $p);
+                       }
+               }
+
+               @list = split ' ', $params{pagenames};
+
+               if (yesno($params{reverse})) {
+                       @list=reverse(@list);
+               }
+
+               foreach my $p (@list) {
+                       add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
+               }
+
+               @list = grep { exists $pagesources{$_} } @list;
+       }
+       else {
+               my $num=0;
+               if ($params{show}) {
+                       $num=$params{show};
+               }
+               if ($params{feedshow} && $num < $params{feedshow} && $num > 0) {
+                       $num=$params{feedshow};
+               }
+               if ($params{skip} && $num) {
+                       $num+=$params{skip};
+               }
+
+               @list = pagespec_match_list($params{page}, $params{pages},
+                       deptype => deptype($quick ? "presence" : "content"),
+                       filter => sub { $_[0] eq $params{page} },
+                       sort => exists $params{sort} ? $params{sort} : "age",
+                       reverse => yesno($params{reverse}),
+                       ($num ? (num => $num) : ()),
+               );
+       }
+
+       if (exists $params{skip}) {
+               @list=@list[$params{skip} .. $#list];
+       }
+       
+       my @feedlist;
+       if ($feeds) {
+               if (exists $params{feedshow} &&
+                   $params{feedshow} && @list > $params{feedshow}) {
+                       @feedlist=@list[0..$params{feedshow} - 1];
+               }
+               else {
+                       @feedlist=@list;

                }
        }
                }
        }

-       @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
+       

        if ($params{show} && @list > $params{show}) {
                @list=@list[0..$params{show} - 1];
        }
 
        if ($params{show} && @list > $params{show}) {
                @list=@list[0..$params{show} - 1];
        }
 

-       add_depends($params{page}, $params{pages});
+       if ($feeds && exists $params{feedpages}) {
+               @feedlist = pagespec_match_list(
+                       $params{page}, "($params{pages}) and ($params{feedpages})",
+                       deptype => deptype($quick ? "presence" : "content"),
+                       list => \@feedlist,
+               );
+       }
+
+       my ($feedbase, $feednum);
+       if ($feeds) {
+               # Ensure that multiple feeds on a page go to unique files.
+               
+               # Feedfile can lead to conflicts if usedirs is not enabled,
+               # so avoid supporting it in that case.
+               delete $params{feedfile} if ! $config{usedirs};
+               # Tight limits on legal feedfiles, to avoid security issues
+               # and conflicts.
+               if (defined $params{feedfile}) {
+                       if ($params{feedfile} =~ /\// ||
+                           $params{feedfile} !~ /$config{wiki_file_regexp}/) {
+                               error("illegal feedfile");
+                       }
+                       $params{feedfile}=possibly_foolish_untaint($params{feedfile});
+               }
+               $feedbase=targetpage($params{page}, "", $params{feedfile});
+
+               my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
+               if (exists $knownfeeds{$feedid}) {
+                       $feednum=$knownfeeds{$feedid};
+               }
+               else {
+                       if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
+                               if ($feeds) {
+                                       $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
+                               }
+                       }
+                       else {
+                               $feednum=$knownfeeds{$feedid}="";
+                               if ($feeds) {
+                                       $page_numfeeds{$params{destpage}}{$feedbase}=1;
+                               }
+                       }
+               }
+       }
+
+       my ($rssurl, $atomurl, $rssdesc, $atomdesc);
+       if ($feeds) {
+               if ($rss) {
+                       $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
+                       $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
+               }
+               if ($atom) {
+                       $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
+                       $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
+               }
+       }

 
        my $ret="";
 
        my $ret="";

-       
-       if (exists $params{rootpage} && $config{cgiurl}) {
-               # Add a blog post form, with a rss link button.
-               my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
-               $formtemplate->param(cgiurl => $config{cgiurl});
-               $formtemplate->param(rootpage => $params{rootpage});
-               if ($config{rss}) {
-                       $formtemplate->param(rssurl => rsspage(basename($params{page})));
+
+       if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
+           (exists $params{postform} && yesno($params{postform}))) &&
+           IkiWiki->can("cgi_editpage")) {
+               # Add a blog post form, with feed buttons.
+               my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
+               $formtemplate->param(cgiurl => IkiWiki::cgiurl());
+               $formtemplate->param(rootpage => rootpage(%params));
+               if ($feeds) {
+                       if ($rss) {
+                               $formtemplate->param(rssurl => $rssurl);
+                               $formtemplate->param(rssdesc => $rssdesc);
+                       }
+                       if ($atom) {
+                               $formtemplate->param(atomurl => $atomurl);
+                               $formtemplate->param(atomdesc => $atomdesc);
+                       }
+               }
+               if (exists $params{postformtext}) {
+                       $formtemplate->param(postformtext =>
+                               $params{postformtext});
+               }
+               else {
+                       $formtemplate->param(postformtext =>
+                               gettext("Add a new post titled:"));
+               }
+               if (exists $params{id}) {
+                       $formtemplate->param(postformid =>
+                               $params{id});

                }
                $ret.=$formtemplate->output;
                }
                $ret.=$formtemplate->output;

+               
+               # The post form includes the feed buttons, so
+               # emptyfeeds cannot be hidden.
+               $emptyfeeds=1;

        }
        }

-       elsif ($config{rss} && $rss) {
-               # Add a rss link button.
-               my $linktemplate=template("rsslink.tmpl", blind_cache => 1);
-               $linktemplate->param(rssurl => rsspage(basename($params{page})));
+       elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
+               # Add feed buttons.
+               my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
+               if ($rss) {
+                       $linktemplate->param(rssurl => $rssurl);
+                       $linktemplate->param(rssdesc => $rssdesc);
+               }
+               if ($atom) {
+                       $linktemplate->param(atomurl => $atomurl);
+                       $linktemplate->param(atomdesc => $atomdesc);
+               }
+               if (exists $params{id}) {
+                       $linktemplate->param(id => $params{id});
+               }

                $ret.=$linktemplate->output;
        }
        
                $ret.=$linktemplate->output;
        }
        

-       my $template=template(
-               ($archive ? "inlinepagetitle.tmpl" : "inlinepage.tmpl"),
-               blind_cache => 1,
-       ) unless $raw;
-       
-       foreach my $page (@list) {
+       if (! $feedonly) {
+               my $template;

                if (! $raw) {
                if (! $raw) {

-                       # Get the content before populating the template,
-                       # since getting the content uses the same template
-                       # if inlines are nested.
-                       # TODO: if $archive=1, the only reason to do this
-                       # is to let the meta plugin get page title info; so stop
-                       # calling this next line then once the meta plugin can
-                       # store that accross runs (also tags plugin).
-                       my $content=get_inline_content($page, $params{page});
-                       # Don't use htmllink because this way the title is separate
-                       # and can be overridden by other plugins.
-                       my $link=htmlpage(bestlink($params{page}, $page));
-                       $link=abs2rel($link, dirname($params{page}));
-                       $template->param(pageurl => $link);
-                       $template->param(title => pagetitle(basename($page)));
-                       $template->param(content => $content);
-                       $template->param(ctime => displaytime($pagectime{$page}));
-
-                       run_hooks(pagetemplate => sub {
-                               shift->(page => $page, destpage => $params{page},
-                                       template => $template,);
-                       });
-
-                       $ret.=$template->output;
-                       $template->clear_params;
+                       # cannot use wiki pages as templates; template not sanitized due to
+                       # format hook hack
+                       eval {
+                               $template=template_depends($params{template}.".tmpl", $params{page},
+                                       blind_cache => 1);
+                       };
+                       if ($@) {
+                               # gettext can clobber $@
+                               my $error = $@;
+                               error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $error";
+                       }

                }
                }

-               else {
-                       my $file=$pagesources{$page};
-                       my $type=pagetype($file);
-                       if (defined $type) {
-                               $ret.="\n".
-                                     linkify($page, $params{page},
-                                     preprocess($page, $params{page},
-                                     filter($page,
-                                     readfile(srcfile($file)))));
+               my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
+       
+               foreach my $page (@list) {
+                       my $file = $pagesources{$page};
+                       my $type = pagetype($file);
+                       if (! $raw) {
+                               if ($needcontent) {
+                                       # Get the content before populating the
+                                       # template, since getting the content uses
+                                       # the same template if inlines are nested.
+                                       my $content=get_inline_content($page, $params{destpage});
+                                       $template->param(content => $content);
+                               }
+                               $template->param(pageurl => urlto($page, $params{destpage}));
+                               $template->param(inlinepage => $page);
+                               $template->param(title => pagetitle(basename($page)));
+                               $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
+                               $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
+                               $template->param(first => 1) if $page eq $list[0];
+                               $template->param(last => 1) if $page eq $list[$#list];
+                               $template->param(html5 => $config{html5});
+       
+                               if ($actions) {
+                                       my $file = $pagesources{$page};
+                                       my $type = pagetype($file);
+                                       if ($config{discussion}) {
+                                               if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
+                                                   (length $config{cgiurl} ||
+                                                    exists $pagesources{$page."/".lc($config{discussionpage})})) {
+                                                       $template->param(have_actions => 1);
+                                                       $template->param(discussionlink =>
+                                                               htmllink($page,
+                                                                       $params{destpage},
+                                                                       $config{discussionpage},
+                                                                       noimageinline => 1,
+                                                                       forcesubpage => 1));
+                                               }
+                                       }
+                                       if (length $config{cgiurl} &&
+                                           defined $type &&
+                                           IkiWiki->can("cgi_editpage")) {
+                                               $template->param(have_actions => 1);
+                                               $template->param(editurl => cgiurl(do => "edit", page => $page));
+
+                                       }
+                               }
+       
+                               run_hooks(pagetemplate => sub {
+                                       shift->(page => $page, destpage => $params{destpage},
+                                               template => $template,);
+                               });
+       
+                               $ret.=$template->output;
+                               $template->clear_params;
+                       }
+                       else {
+                               if (defined $type) {
+                                       $ret.="\n".
+                                             linkify($page, $params{destpage},
+                                             preprocess($page, $params{destpage},
+                                             filter($page, $params{destpage},
+                                             readfile(srcfile($file)))));
+                               }
+                               else {
+                                       $ret.="\n".
+                                             readfile(srcfile($file));
+                               }

                        }
                }
        }
        
                        }
                }
        }
        

-       # TODO: should really add this to renderedfiles and call
-       # check_overwrite, but currently renderedfiles
-       # only supports listing one file per page.
-       if ($config{rss} && $rss) {
-               writefile(rsspage($params{page}), $config{destdir},
-                       genrss($params{page}, @list));
-               $toping{$params{page}}=1 unless $config{rebuild};
+       if ($feeds && ($emptyfeeds || @feedlist)) {
+               if ($rss) {
+                       my $rssp=$feedbase."rss".$feednum;
+                       will_render($params{destpage}, $rssp);
+                       if (! $params{preview}) {
+                               writefile($rssp, $config{destdir},
+                                       genfeed("rss",
+                                               $config{url}."/".$rssp, $title, $desc, $params{guid}, $params{page}, @feedlist));
+                               $toping{$params{destpage}}=1 unless $config{rebuild};
+                               $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$rssdesc" href="$rssurl" />};
+                       }
+               }
+               if ($atom) {
+                       my $atomp=$feedbase."atom".$feednum;
+                       will_render($params{destpage}, $atomp);
+                       if (! $params{preview}) {
+                               writefile($atomp, $config{destdir},
+                                       genfeed("atom", $config{url}."/".$atomp, $title, $desc, $params{guid}, $params{page}, @feedlist));
+                               $toping{$params{destpage}}=1 unless $config{rebuild};
+                               $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$atomdesc" href="$atomurl" />};
+                       }
+               }

        }
        
        }
        

-       pop @processing_inline;
-       return $ret;
-} #}}}
+       clear_inline_content_cache();
+
+       return $ret if $raw || $nested;
+       push @inline, $ret;
+       return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
+}
+
+sub pagetemplate_inline (@) {
+       my %params=@_;
+       my $page=$params{page};
+       my $template=$params{template};
+
+       $template->param(feedlinks => $feedlinks{$page})
+               if exists $feedlinks{$page} && $template->query(name => "feedlinks");
+}
+
+{
+my %inline_content;
+my $cached_destpage="";

 
 

-sub get_inline_content ($$) { #{{{
+sub get_inline_content ($$) {

        my $page=shift;
        my $destpage=shift;
        
        my $page=shift;
        my $destpage=shift;
        

+       if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
+               return $inline_content{$page};
+       }
+

        my $file=$pagesources{$page};
        my $type=pagetype($file);
        my $file=$pagesources{$page};
        my $type=pagetype($file);

+       my $ret="";

        if (defined $type) {
        if (defined $type) {

-               return htmlize($type,
+               $nested++;
+               $ret=htmlize($page, $destpage, $type,

                       linkify($page, $destpage,
                       preprocess($page, $destpage,
                       linkify($page, $destpage,
                       preprocess($page, $destpage,

-                      filter($page,
+                      filter($page, $destpage,

                       readfile(srcfile($file))))));
                       readfile(srcfile($file))))));

+               $nested--;
+               if (isinternal($page)) {
+                       # make inlined text of internal pages searchable
+                       run_hooks(indexhtml => sub {
+                               shift->(page => $page, destpage => $destpage,
+                                       content => $ret);
+                       });
+               }

        }
        }

-       else {
-               return "";
+       
+       if ($cached_destpage ne $destpage) {
+               clear_inline_content_cache();
+               $cached_destpage=$destpage;

        }
        }

-} #}}}
+       return $inline_content{$page}=$ret;
+}
+
+sub clear_inline_content_cache () {
+       %inline_content=();
+}
+
+}

 
 

-sub date_822 ($) { #{{{
+sub date_822 ($) {

        my $time=shift;
 
        my $time=shift;
 

-       eval q{use POSIX};
-       my $lc_time= POSIX::setlocale(&POSIX::LC_TIME);
+       my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);

        POSIX::setlocale(&POSIX::LC_TIME, "C");
        my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
        POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
        return $ret;
        POSIX::setlocale(&POSIX::LC_TIME, "C");
        my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
        POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
        return $ret;

-} #}}}
+}

 
 

-sub absolute_urls ($$) { #{{{
-       # sucky sub because rss sucks
-       my $content=shift;
-       my $url=shift;
+sub absolute_urls ($$) {
+       # needed because rss sucks
+       my $html=shift;
+       my $baseurl=shift;

 
 

+       my $url=$baseurl;

        $url=~s/[^\/]+$//;
        $url=~s/[^\/]+$//;

-       
-       $content=~s/<a\s+href="(?![^:]+:\/\/)([^"]+)"/<a href="$url$1"/ig;
-       $content=~s/<img\s+src="(?![^:]+:\/\/)([^"]+)"/<img src="$url$1"/ig;
-       return $content;
-} #}}}
+       my $urltop; # calculated if needed

 
 

-sub rsspage ($) { #{{{
-       my $page=shift;
+       my $ret="";
+
+       eval q{use HTML::Parser; use HTML::Tagset};
+       die $@ if $@;
+       my $p = HTML::Parser->new(api_version => 3);
+       $p->handler(default => sub { $ret.=join("", @_) }, "text");
+       $p->handler(start => sub {
+               my ($tagname, $pos, $text) = @_;
+               if (ref $HTML::Tagset::linkElements{$tagname}) {
+                       while (4 <= @$pos) {
+                               # use attribute sets from right to left
+                               # to avoid invalidating the offsets
+                               # when replacing the values
+                               my ($k_offset, $k_len, $v_offset, $v_len) =
+                                       splice(@$pos, -4);
+                               my $attrname = lc(substr($text, $k_offset, $k_len));
+                               next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
+                               next unless $v_offset; # 0 v_offset means no value
+                               my $v = substr($text, $v_offset, $v_len);
+                               $v =~ s/^([\'\"])(.*)\1$/$2/;
+                               eval q{use HTML::Entities};
+                               my $dv = decode_entities($v);
+                               if ($dv=~/^#/) {
+                                       $v=$baseurl.$v; # anchor
+                               }
+                               elsif ($dv=~/^(?!\w+:)[^\/]/) {
+                                       $v=$url.$v; # relative url
+                               }
+                               elsif ($dv=~/^\//) {
+                                       if (! defined $urltop) {
+                                               # what is the non path part of the url?
+                                               my $top_uri = URI->new($url);
+                                               $top_uri->path_query(""); # reset the path
+                                               $urltop = $top_uri->as_string;
+                                       }
+                                       $v=$urltop.$v; # url relative to top of site
+                               }
+                               $v =~ s/\"/&quot;/g; # since we quote with ""
+                               substr($text, $v_offset, $v_len) = qq("$v");
+                       }
+               }
+               $ret.=$text;
+       }, "tagname, tokenpos, text");
+       $p->parse($html);
+       $p->eof;
+
+       return $ret;
+}
+
+sub genenclosure {
+       my $itemtemplate=shift;
+       my $url=shift;
+       my $file=shift;

 
 

-       return $page.".rss";
-} #}}}
+       return unless $itemtemplate->query(name => "enclosure");

 
 

-sub genrss ($@) { #{{{
+       my $size=(srcfile_stat($file))[8];
+       my $mime="unknown";
+       eval q{use File::MimeInfo};
+       if (! $@) {
+               $mime = mimetype($file);
+       }
+       $itemtemplate->param(
+               enclosure => $url,
+               type => $mime,
+               length => $size,
+       );
+}
+
+sub genfeed ($$$$$@) {
+       my $feedtype=shift;
+       my $feedurl=shift;
+        my $feedtitle=shift;
+       my $feeddesc=shift;
+       my $guid=shift;

        my $page=shift;
        my @pages=@_;
        
        my $page=shift;
        my @pages=@_;
        

-       my $url=URI->new(encode_utf8("$config{url}/".htmlpage($page)));
+       my $url=URI->new(encode_utf8(urlto($page,"",1)));

        
        

-       my $itemtemplate=template("rssitem.tmpl", blind_cache => 1);
+       my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);

        my $content="";
        my $content="";

+       my $lasttime = 0;

        foreach my $p (@pages) {
        foreach my $p (@pages) {

-               next unless exists $renderedfiles{$p};
-
-               my $u=URI->new(encode_utf8("$config{url}/$renderedfiles{$p}"));
+               my $u=URI->new(encode_utf8(urlto($p, "", 1)));
+               my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
+               my $fancy_enclosure_seen = 0;

 
                $itemtemplate->param(
                        title => pagetitle(basename($p)),
                        url => $u,
                        permalink => $u,
 
                $itemtemplate->param(
                        title => pagetitle(basename($p)),
                        url => $u,
                        permalink => $u,

-                       pubdate => date_822($pagectime{$p}),
-                       content => absolute_urls(get_inline_content($p, $page), $url),
+                       cdate_822 => date_822($pagectime{$p}),
+                       mdate_822 => date_822($pagemtime{$p}),
+                       cdate_3339 => date_3339($pagectime{$p}),
+                       mdate_3339 => date_3339($pagemtime{$p}),

                );
                );

+
+               if (exists $pagestate{$p}) {
+                       if (exists $pagestate{$p}{meta}{guid}) {
+                               eval q{use HTML::Entities};
+                               $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
+                       }
+
+                       if (exists $pagestate{$p}{meta}{updated}) {
+                               $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
+                               $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
+                       }
+
+                       if (exists $pagestate{$p}{meta}{enclosure}) {
+                               my $absurl = $pagestate{$p}{meta}{enclosure};
+                               my $file = $pagestate{$p}{meta}{enclosurefile};
+                               genenclosure($itemtemplate, $absurl, $file);
+                               $fancy_enclosure_seen = 1;
+                       }
+               }
+
+               my $file=$pagesources{$p};
+               unless ($fancy_enclosure_seen || defined(pagetype($file))) {
+                       genenclosure($itemtemplate, $u, $file);
+                       $itemtemplate->param(simplepodcast => 1);
+               }
+
+               $itemtemplate->param(content => $pcontent);
+

                run_hooks(pagetemplate => sub {
                        shift->(page => $p, destpage => $page,
                                template => $itemtemplate);
                run_hooks(pagetemplate => sub {
                        shift->(page => $p, destpage => $page,
                                template => $itemtemplate);


@@ -211,14 +703,21 @@ sub genrss ($@) { #{{{
 
                $content.=$itemtemplate->output;
                $itemtemplate->clear_params;
 
                $content.=$itemtemplate->output;
                $itemtemplate->clear_params;

+
+               $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;

        }
 
        }
 

-       my $template=template("rsspage.tmpl", blind_cache => 1);
+       my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);

        $template->param(
        $template->param(

-               title => $config{wikiname},
+               title => $feedtitle,

                wikiname => $config{wikiname},
                pageurl => $url,
                content => $content,
                wikiname => $config{wikiname},
                pageurl => $url,
                content => $content,

+               feeddesc => $feeddesc,
+               guid => $guid,
+               feeddate => date_3339($lasttime),
+               feeddate_822 => date_822($lasttime),
+               feedurl => $feedurl,

        );
        run_hooks(pagetemplate => sub {
                shift->(page => $page, destpage => $page,
        );
        run_hooks(pagetemplate => sub {
                shift->(page => $page, destpage => $page,


@@ -226,35 +725,71 @@ sub genrss ($@) { #{{{
        });
        
        return $template->output;
        });
        
        return $template->output;

-} #}}}
+}

 
 

-sub pingurl (@) { #{{{
-       return unless $config{pingurl} && %toping;
+sub pingurl (@) {
+       return unless @{$config{pingurl}} && %toping;

 
        eval q{require RPC::XML::Client};
        if ($@) {
 
        eval q{require RPC::XML::Client};
        if ($@) {

-               debug("RPC::XML::Client not found, not pinging");
+               debug(gettext("RPC::XML::Client not found, not pinging"));

                return;
        }
 
                return;
        }
 

+       # daemonize here so slow pings don't slow down wiki updates
+       defined(my $pid = fork) or error("Can't fork: $!");
+       return if $pid;
+       chdir '/';
+       POSIX::setsid() or error("Can't start a new session: $!");
+       open STDIN, '/dev/null';
+       open STDOUT, '>/dev/null';
+       open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
+
+       # Don't need to keep a lock on the wiki as a daemon.
+       IkiWiki::unlockwiki();
+

        foreach my $page (keys %toping) {
        foreach my $page (keys %toping) {

-               my $title=pagetitle(basename($page));
-               my $url="$config{url}/".htmlpage($page);
+               my $title=pagetitle(basename($page), 0);
+               my $url=urlto($page, "", 1);

                foreach my $pingurl (@{$config{pingurl}}) {
                foreach my $pingurl (@{$config{pingurl}}) {

-                       my $client = RPC::XML::Client->new($pingurl);
-                       my $req = RPC::XML::request->new('weblogUpdates.ping',
-                               $title, $url);

                        debug("Pinging $pingurl for $page");
                        debug("Pinging $pingurl for $page");

-                       my $res = $client->send_request($req);
-                       if (! ref $res) {
-                               debug("Did not receive response to ping");
-                       }
-                       my $r=$res->value;
-                       if (! exists $r->{flerror} || $r->{flerror}) {
-                               debug("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
+                       eval {
+                               my $client = RPC::XML::Client->new($pingurl);
+                               my $req = RPC::XML::request->new('weblogUpdates.ping',
+                                       $title, $url);
+                               my $res = $client->send_request($req);
+                               if (! ref $res) {
+                                       error("Did not receive response to ping");
+                               }
+                               my $r=$res->value;
+                               if (! exists $r->{flerror} || $r->{flerror}) {
+                                       error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
+                               }
+                       };
+                       if ($@) {
+                               error "Ping failed: $@";

                        }
                }
        }
                        }
                }
        }

-} #}}}
+
+       exit 0; # daemon done
+}
+
+
+sub rootpage (@) {
+       my %params=@_;
+
+       my $rootpage;
+       if (exists $params{rootpage}) {
+               $rootpage=bestlink($params{page}, $params{rootpage});
+               if (!length $rootpage) {
+                       $rootpage=$params{rootpage};
+               }
+       }
+       else {
+               $rootpage=$params{page};
+       }
+       return $rootpage;
+}

 
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