ikiwiki/IkiWiki/Plugin/inline.pm

474 lines
13 KiB
Perl

#!/usr/bin/perl
# Page inlining and blogging.
package IkiWiki::Plugin::inline;
use warnings;
use strict;
use Encode;
use IkiWiki 2.00;
use URI;
sub import { #{{{
hook(type => "getopt", id => "inline", call => \&getopt);
hook(type => "checkconfig", id => "inline", call => \&checkconfig);
hook(type => "sessioncgi", id => "skeleton", call => \&sessioncgi);
hook(type => "preprocess", id => "inline",
call => \&IkiWiki::preprocess_inline);
hook(type => "pagetemplate", id => "inline",
call => \&IkiWiki::pagetemplate_inline);
# 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(type => "change", id => "inline",
call => \&IkiWiki::pingurl);
} # }}}
sub getopt () { #{{{
eval q{use Getopt::Long};
error($@) if $@;
Getopt::Long::Configure('pass_through');
GetOptions(
"rss!" => \$config{rss},
"atom!" => \$config{atom},
);
}
sub checkconfig () { #{{{
if (($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$/;
}
} #}}}
sub sessioncgi () { #{{{
my $q=shift;
my $session=shift;
if ($q->param('do') eq 'blog') {
my $page=decode_utf8($q->param('title'));
$page=~s/\///g; # no slashes in blog posts
# if the page already exists, munge it to be unique
my $from=$q->param('from');
my $add="";
while (exists $IkiWiki::pagecase{lc($from."/".IkiWiki::titlepage($page).$add)}) {
$add=1 unless length $add;
$add++;
}
$q->param('page', $page.$add);
# now go create the page
$q->param('do', 'create');
IkiWiki::cgi_editpage($q, $session);
exit;
}
}
# Back to ikiwiki namespace for the rest, this code is very much
# internal to ikiwiki even though it's separated into a plugin.
package IkiWiki;
my %toping;
my %feedlinks;
sub yesno ($) { #{{{
my $val=shift;
return (defined $val && lc($val) eq "yes");
} #}}}
sub preprocess_inline (@) { #{{{
my %params=@_;
if (! exists $params{pages}) {
return "";
}
my $raw=yesno($params{raw});
my $archive=yesno($params{archive});
my $rss=($config{rss} && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
my $atom=($config{atom} && 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;
$feeds=0 if $params{preview};
if (! exists $params{show} && ! $archive) {
$params{show}=10;
}
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;
foreach my $page (keys %pagesources) {
next if $page eq $params{page};
if (pagespec_match($page, $params{pages}, location => $params{page})) {
push @list, $page;
}
}
if (exists $params{sort} && $params{sort} eq 'title') {
@list=sort @list;
}
elsif (exists $params{sort} && $params{sort} eq 'mtime') {
@list=sort { $pagemtime{$b} <=> $pagemtime{$a} } @list;
}
elsif (! exists $params{sort} || $params{sort} eq 'age') {
@list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
}
else {
return sprintf(gettext("unknown sort type %s"), $params{sort});
}
if (yesno($params{reverse})) {
@list=reverse(@list);
}
if (exists $params{skip}) {
@list=@list[$params{skip} .. scalar @list - 1];
}
if ($params{show} && @list > $params{show}) {
@list=@list[0..$params{show} - 1];
}
add_depends($params{page}, $params{pages});
# Explicitly add all currently displayed pages as dependencies, so
# that if they are removed or otherwise changed, the inline will be
# sure to be updated.
add_depends($params{page}, join(" or ", @list));
my $rssurl=basename(rsspage($params{page}));
my $atomurl=basename(atompage($params{page}));
my $ret="";
if ($config{cgiurl} && (exists $params{rootpage} ||
(exists $params{postform} && yesno($params{postform})))) {
# Add a blog post form, with feed buttons.
my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
$formtemplate->param(cgiurl => $config{cgiurl});
$formtemplate->param(rootpage =>
exists $params{rootpage} ? $params{rootpage} : $params{page});
$formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
$formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
if (exists $params{postformtext}) {
$formtemplate->param(postformtext =>
$params{postformtext});
}
else {
$formtemplate->param(postformtext =>
gettext("Add a new post titled:"));
}
$ret.=$formtemplate->output;
}
elsif ($feeds) {
# Add feed buttons.
my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
$linktemplate->param(rssurl => $rssurl) if $rss;
$linktemplate->param(atomurl => $atomurl) if $atom;
$ret.=$linktemplate->output;
}
require HTML::Template;
my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
if (! @params) {
return sprintf(gettext("nonexistant template %s"), $params{template});
}
my $template=HTML::Template->new(@params) unless $raw;
foreach my $page (@list) {
my $file = $pagesources{$page};
my $type = pagetype($file);
if (! $raw || ($raw && ! defined $type)) {
unless ($archive && $quick) {
# 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);
}
$template->param(pageurl => urlto(bestlink($params{page}, $page), $params{destpage}));
$template->param(title => pagetitle(basename($page)));
$template->param(ctime => displaytime($pagectime{$page}));
if ($actions) {
my $file = $pagesources{$page};
my $type = pagetype($file);
if ($config{discussion}) {
my $discussionlink=gettext("discussion");
if ($page !~ /.*\/\Q$discussionlink\E$/ &&
(length $config{cgiurl} ||
exists $links{$page."/".$discussionlink})) {
$template->param(have_actions => 1);
$template->param(discussionlink =>
htmllink($page,
$params{page},
gettext("Discussion"),
noimageinline => 1,
forcesubpage => 1));
}
}
if (length $config{cgiurl} && defined $type) {
$template->param(have_actions => 1);
$template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
}
}
run_hooks(pagetemplate => sub {
shift->(page => $page, destpage => $params{page},
template => $template,);
});
$ret.=$template->output;
$template->clear_params;
}
else {
if (defined $type) {
$ret.="\n".
linkify($page, $params{page},
preprocess($page, $params{page},
filter($page, $params{page},
readfile(srcfile($file)))));
}
}
}
if ($feeds) {
if (exists $params{feedshow} && @list > $params{feedshow}) {
@list=@list[0..$params{feedshow} - 1];
}
if (exists $params{feedpages}) {
@list=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @list;
}
if ($rss) {
my $rssp=rsspage($params{page});
will_render($params{page}, $rssp);
writefile($rssp, $config{destdir},
genfeed("rss", $rssurl, $desc, $params{page}, @list));
$toping{$params{page}}=1 unless $config{rebuild};
$feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/rss+xml" title="RSS" href="$rssurl" />};
}
if ($atom) {
my $atomp=atompage($params{page});
will_render($params{page}, $atomp);
writefile($atomp, $config{destdir},
genfeed("atom", $atomurl, $desc, $params{page}, @list));
$toping{$params{page}}=1 unless $config{rebuild};
$feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/atom+xml" title="Atom" href="$atomurl" />};
}
}
return $ret;
} #}}}
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");
} #}}}
sub get_inline_content ($$) { #{{{
my $page=shift;
my $destpage=shift;
my $file=$pagesources{$page};
my $type=pagetype($file);
if (defined $type) {
return htmlize($page, $type,
linkify($page, $destpage,
preprocess($page, $destpage,
filter($page, $destpage,
readfile(srcfile($file))))));
}
else {
return "";
}
} #}}}
sub date_822 ($) { #{{{
my $time=shift;
my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
POSIX::setlocale(&POSIX::LC_TIME, "C");
my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
return $ret;
} #}}}
sub date_3339 ($) { #{{{
my $time=shift;
my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
POSIX::setlocale(&POSIX::LC_TIME, "C");
my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", localtime($time));
POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
return $ret;
} #}}}
sub absolute_urls ($$) { #{{{
# sucky sub because rss sucks
my $content=shift;
my $baseurl=shift;
my $url=$baseurl;
$url=~s/[^\/]+$//;
$content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(#[^"]+)"/$1 href="$baseurl$2"/mig;
$content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:\/\/)([^"]+)"/$1 href="$url$2"/mig;
$content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:\/\/)([^"]+)"/$1 src="$url$2"/mig;
return $content;
} #}}}
sub rsspage ($) { #{{{
return targetpage(shift, "rss");
} #}}}
sub atompage ($) { #{{{
return targetpage(shift, "atom");
} #}}}
sub genfeed ($$$$@) { #{{{
my $feedtype=shift;
my $feedurl=shift;
my $feeddesc=shift;
my $page=shift;
my @pages=@_;
my $url=URI->new(encode_utf8($config{url}."/".urlto($page,"")));
my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
my $content="";
my $lasttime = 0;
foreach my $p (@pages) {
my $u=URI->new(encode_utf8($config{url}."/".urlto($p, "")));
my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
$itemtemplate->param(
title => pagetitle(basename($p)),
url => $u,
permalink => $u,
cdate_822 => date_822($pagectime{$p}),
mdate_822 => date_822($pagemtime{$p}),
cdate_3339 => date_3339($pagectime{$p}),
mdate_3339 => date_3339($pagemtime{$p}),
);
if ($itemtemplate->query(name => "enclosure")) {
my $file=$pagesources{$p};
my $type=pagetype($file);
if (defined $type) {
$itemtemplate->param(content => $pcontent);
}
else {
my ($a, $b, $c, $d, $e, $f, $g, $size) = stat(srcfile($file));
my $mime="unknown";
eval q{use File::MimeInfo};
if (! $@) {
$mime = mimetype($file);
}
$itemtemplate->param(
enclosure => $u,
type => $mime,
length => $size,
);
}
}
else {
$itemtemplate->param(content => $pcontent);
}
run_hooks(pagetemplate => sub {
shift->(page => $p, destpage => $page,
template => $itemtemplate);
});
$content.=$itemtemplate->output;
$itemtemplate->clear_params;
$lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
}
my $template=template($feedtype."page.tmpl", blind_cache => 1);
$template->param(
title => $page ne "index" ? pagetitle($page) : $config{wikiname},
wikiname => $config{wikiname},
pageurl => $url,
content => $content,
feeddesc => $feeddesc,
feeddate => date_3339($lasttime),
feedurl => $feedurl,
version => $IkiWiki::version,
);
run_hooks(pagetemplate => sub {
shift->(page => $page, destpage => $page,
template => $template);
});
return $template->output;
} #}}}
sub pingurl (@) { #{{{
return unless @{$config{pingurl}} && %toping;
eval q{require RPC::XML::Client};
if ($@) {
debug(gettext("RPC::XML::Client not found, not pinging"));
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 '/';
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) {
my $title=pagetitle(basename($page), 0);
my $url="$config{url}/".urlto($page, "");
foreach my $pingurl (@{$config{pingurl}}) {
debug("Pinging $pingurl for $page");
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) {
debug("Did not receive response to ping");
}
my $r=$res->value;
if (! exists $r->{flerror} || $r->{flerror}) {
debug("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
}
};
if ($@) {
debug "Ping failed: $@";
}
}
}
exit 0; # daemon done
} #}}}
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