642 lines
15 KiB
Perl
642 lines
15 KiB
Perl
#!/usr/bin/perl
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package IkiWiki;
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use warnings;
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use strict;
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use File::Spec;
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sub linkify ($$) { #{{{
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my $content=shift;
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my $page=shift;
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$content =~ s{(\\?)$config{wiki_link_regexp}}{
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$2 ? ( $1 ? "[[$2|$3]]" : htmllink($page, titlepage($3), 0, 0, pagetitle($2)))
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: ( $1 ? "[[$3]]" : htmllink($page, titlepage($3)))
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}eg;
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return $content;
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} #}}}
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my $_scrubber;
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sub scrubber { #{{{
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return $_scrubber if defined $_scrubber;
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eval q{use HTML::Scrubber};
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# Lists based on http://feedparser.org/docs/html-sanitization.html
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$_scrubber = HTML::Scrubber->new(
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allow => [qw{
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a abbr acronym address area b big blockquote br
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button caption center cite code col colgroup dd del
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dfn dir div dl dt em fieldset font form h1 h2 h3 h4
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h5 h6 hr i img input ins kbd label legend li map
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menu ol optgroup option p pre q s samp select small
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span strike strong sub sup table tbody td textarea
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tfoot th thead tr tt u ul var
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}],
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default => [undef, { map { $_ => 1 } qw{
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abbr accept accept-charset accesskey action
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align alt axis border cellpadding cellspacing
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char charoff charset checked cite class
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clear cols colspan color compact coords
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datetime dir disabled enctype for frame
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headers height href hreflang hspace id ismap
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label lang longdesc maxlength media method
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multiple name nohref noshade nowrap prompt
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readonly rel rev rows rowspan rules scope
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selected shape size span src start summary
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tabindex target title type usemap valign
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value vspace width
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}}],
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);
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return $_scrubber;
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} # }}}
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sub htmlize ($$) { #{{{
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my $type=shift;
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my $content=shift;
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if (! $INC{"/usr/bin/markdown"}) {
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no warnings 'once';
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$blosxom::version="is a proper perl module too much to ask?";
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use warnings 'all';
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do "/usr/bin/markdown";
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}
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if ($type eq '.mdwn') {
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$content=Markdown::Markdown($content);
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}
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else {
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error("htmlization of $type not supported");
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}
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if ($config{sanitize}) {
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$content=scrubber()->scrub($content);
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}
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return $content;
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} #}}}
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sub backlinks ($) { #{{{
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my $page=shift;
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my @links;
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foreach my $p (keys %links) {
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next if bestlink($page, $p) eq $page;
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if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
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my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
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# Trim common dir prefixes from both pages.
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my $p_trimmed=$p;
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my $page_trimmed=$page;
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my $dir;
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1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
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defined $dir &&
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$p_trimmed=~s/^\Q$dir\E// &&
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$page_trimmed=~s/^\Q$dir\E//;
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push @links, { url => $href, page => $p_trimmed };
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}
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}
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return sort { $a->{page} cmp $b->{page} } @links;
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} #}}}
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sub parentlinks ($) { #{{{
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my $page=shift;
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my @ret;
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my $pagelink="";
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my $path="";
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my $skip=1;
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foreach my $dir (reverse split("/", $page)) {
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if (! $skip) {
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$path.="../";
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unshift @ret, { url => "$path$dir.html", page => $dir };
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}
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else {
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$skip=0;
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}
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}
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unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
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return @ret;
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} #}}}
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sub rsspage ($) { #{{{
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my $page=shift;
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return $page.".rss";
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} #}}}
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sub preprocess ($$) { #{{{
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my $page=shift;
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my $content=shift;
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my %commands=(inline => \&preprocess_inline);
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my $handle=sub {
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my $escape=shift;
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my $command=shift;
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my $params=shift;
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if (length $escape) {
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"[[$command $params]]";
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}
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elsif (exists $commands{$command}) {
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my %params;
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while ($params =~ /(\w+)=\"([^"]+)"(\s+|$)/g) {
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$params{$1}=$2;
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}
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$commands{$command}->($page, %params);
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}
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else {
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"[[bad directive $command]]";
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}
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};
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$content =~ s{(\\?)$config{wiki_processor_regexp}}{$handle->($1, $2, $3)}eg;
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return $content;
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} #}}}
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sub blog_list ($$) { #{{{
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my $globlist=shift;
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my $maxitems=shift;
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my @list;
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foreach my $page (keys %pagesources) {
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if (globlist_match($page, $globlist)) {
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push @list, $page;
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}
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}
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@list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
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return @list if ! $maxitems || @list <= $maxitems;
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return @list[0..$maxitems - 1];
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} #}}}
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sub get_inline_content ($$) { #{{{
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my $parentpage=shift;
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my $page=shift;
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my $file=$pagesources{$page};
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my $type=pagetype($file);
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if ($type ne 'unknown') {
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return htmlize($type, linkify(readfile(srcfile($file)), $parentpage));
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}
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else {
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return "";
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}
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} #}}}
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sub preprocess_inline ($@) { #{{{
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my $parentpage=shift;
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my %params=@_;
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if (! exists $params{pages}) {
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return "";
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}
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if (! exists $params{archive}) {
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$params{archive}="no";
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}
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if (! exists $params{show} && $params{archive} eq "no") {
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$params{show}=10;
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}
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$inlinepages{$parentpage}=$params{pages};
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my $ret="";
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if (exists $params{rootpage}) {
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my $formtemplate=HTML::Template->new(blind_cache => 1,
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filename => "$config{templatedir}/blogpost.tmpl");
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$formtemplate->param(cgiurl => $config{cgiurl});
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$formtemplate->param(rootpage => $params{rootpage});
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my $form=$formtemplate->output;
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$ret.=$form;
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}
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my $template=HTML::Template->new(blind_cache => 1,
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filename => (($params{archive} eq "no")
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? "$config{templatedir}/inlinepage.tmpl"
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: "$config{templatedir}/inlinepagetitle.tmpl"));
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my @pages;
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foreach my $page (blog_list($params{pages}, $params{show})) {
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next if $page eq $parentpage;
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push @pages, $page;
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$template->param(pagelink => htmllink($parentpage, $page));
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$template->param(content => get_inline_content($parentpage, $page))
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if $params{archive} eq "no";
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$template->param(ctime => scalar(gmtime($pagectime{$page})));
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$ret.=$template->output;
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}
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# TODO: should really add this to renderedfiles and call
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# check_overwrite, but currently renderedfiles
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# only supports listing one file per page.
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if ($config{rss}) {
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writefile(rsspage($parentpage), $config{destdir},
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genrss($parentpage, @pages));
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}
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return $ret;
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} #}}}
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sub genpage ($$$) { #{{{
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my $content=shift;
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my $page=shift;
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my $mtime=shift;
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my $title=pagetitle(basename($page));
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my $template=HTML::Template->new(blind_cache => 1,
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filename => "$config{templatedir}/page.tmpl");
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if (length $config{cgiurl}) {
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$template->param(editurl => cgiurl(do => "edit", page => $page));
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$template->param(prefsurl => cgiurl(do => "prefs"));
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if ($config{rcs}) {
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$template->param(recentchangesurl => cgiurl(do => "recentchanges"));
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}
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}
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if (length $config{historyurl}) {
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my $u=$config{historyurl};
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$u=~s/\[\[file\]\]/$pagesources{$page}/g;
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$template->param(historyurl => $u);
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}
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if ($config{hyperestraier}) {
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$template->param(hyperestraierurl => cgiurl());
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}
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if ($config{rss} && $inlinepages{$page}) {
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$template->param(rssurl => rsspage(basename($page)));
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}
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$template->param(
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title => $title,
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wikiname => $config{wikiname},
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parentlinks => [parentlinks($page)],
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content => $content,
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backlinks => [backlinks($page)],
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discussionlink => htmllink($page, "Discussion", 1, 1),
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mtime => scalar(gmtime($mtime)),
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styleurl => styleurl($page),
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);
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return $template->output;
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} #}}}
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sub date_822 ($) { #{{{
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my $time=shift;
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eval q{use POSIX};
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return POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
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} #}}}
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sub absolute_urls ($$) { #{{{
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# sucky sub because rss sucks
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my $content=shift;
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my $url=shift;
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$url=~s/[^\/]+$//;
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$content=~s/<a\s+href="(?!http:\/\/)([^"]+)"/<a href="$url$1"/ig;
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$content=~s/<img\s+src="(?!http:\/\/)([^"]+)"/<img src="$url$1"/ig;
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return $content;
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} #}}}
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sub genrss ($@) { #{{{
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my $page=shift;
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my @pages=@_;
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my $url="$config{url}/".htmlpage($page);
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my $template=HTML::Template->new(blind_cache => 1,
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filename => "$config{templatedir}/rsspage.tmpl");
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my @items;
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foreach my $p (@pages) {
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push @items, {
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itemtitle => pagetitle(basename($p)),
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itemurl => "$config{url}/$renderedfiles{$p}",
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itempubdate => date_822($pagectime{$p}),
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itemcontent => absolute_urls(get_inline_content($page, $p), $url),
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} if exists $renderedfiles{$p};
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}
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$template->param(
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title => $config{wikiname},
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pageurl => $url,
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items => \@items,
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);
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return $template->output;
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} #}}}
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sub check_overwrite ($$) { #{{{
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# Important security check. Make sure to call this before saving
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# any files to the source directory.
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my $dest=shift;
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my $src=shift;
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if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
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error("$dest already exists and was rendered from ".
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join(" ",(grep { $renderedfiles{$_} eq $dest } keys
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%renderedfiles)).
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", before, so not rendering from $src");
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}
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} #}}}
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sub mtime ($) { #{{{
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my $file=shift;
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return (stat($file))[9];
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} #}}}
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sub findlinks ($$) { #{{{
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my $content=shift;
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my $page=shift;
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my @links;
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while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
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push @links, titlepage($2);
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}
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# Discussion links are a special case since they're not in the text
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# of the page, but on its template.
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return @links, "$page/discussion";
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} #}}}
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sub render ($) { #{{{
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my $file=shift;
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my $type=pagetype($file);
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my $srcfile=srcfile($file);
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if ($type ne 'unknown') {
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my $content=readfile($srcfile);
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my $page=pagename($file);
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$links{$page}=[findlinks($content, $page)];
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delete $inlinepages{$page};
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$content=linkify($content, $page);
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$content=preprocess($page, $content);
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$content=htmlize($type, $content);
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check_overwrite("$config{destdir}/".htmlpage($page), $page);
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writefile(htmlpage($page), $config{destdir},
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genpage($content, $page, mtime($srcfile)));
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$oldpagemtime{$page}=time;
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$renderedfiles{$page}=htmlpage($page);
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}
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else {
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my $content=readfile($srcfile, 1);
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$links{$file}=[];
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check_overwrite("$config{destdir}/$file", $file);
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writefile($file, $config{destdir}, $content, 1);
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$oldpagemtime{$file}=time;
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$renderedfiles{$file}=$file;
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}
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} #}}}
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sub prune ($) { #{{{
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my $file=shift;
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unlink($file);
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my $dir=dirname($file);
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while (rmdir($dir)) {
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$dir=dirname($dir);
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}
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} #}}}
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sub estcfg () { #{{{
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my $estdir="$config{wikistatedir}/hyperestraier";
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my $cgi=basename($config{cgiurl});
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$cgi=~s/\..*$//;
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open(TEMPLATE, ">$estdir/$cgi.tmpl") ||
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error("write $estdir/$cgi.tmpl: $!");
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print TEMPLATE misctemplate("search",
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"<!--ESTFORM-->\n\n<!--ESTRESULT-->\n\n<!--ESTINFO-->\n\n");
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close TEMPLATE;
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open(TEMPLATE, ">$estdir/$cgi.conf") ||
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error("write $estdir/$cgi.conf: $!");
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my $template=HTML::Template->new(
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filename => "$config{templatedir}/estseek.conf"
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);
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eval q{use Cwd 'abs_path'};
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$template->param(
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index => $estdir,
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tmplfile => "$estdir/$cgi.tmpl",
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destdir => abs_path($config{destdir}),
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url => $config{url},
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);
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print TEMPLATE $template->output;
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close TEMPLATE;
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$cgi="$estdir/".basename($config{cgiurl});
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unlink($cgi);
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symlink("/usr/lib/estraier/estseek.cgi", $cgi) ||
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error("symlink $cgi: $!");
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} # }}}
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sub estcmd ($;@) { #{{{
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my @params=split(' ', shift);
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push @params, "-cl", "$config{wikistatedir}/hyperestraier";
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if (@_) {
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push @params, "-";
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}
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my $pid=open(CHILD, "|-");
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if ($pid) {
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# parent
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foreach (@_) {
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print CHILD "$_\n";
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}
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close(CHILD) || error("estcmd @params exited nonzero: $?");
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}
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else {
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# child
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open(STDOUT, "/dev/null"); # shut it up (closing won't work)
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exec("estcmd", @params) || error("can't run estcmd");
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}
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} #}}}
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sub refresh () { #{{{
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# find existing pages
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my %exists;
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my @files;
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eval q{use File::Find};
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find({
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no_chdir => 1,
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wanted => sub {
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if (/$config{wiki_file_prune_regexp}/) {
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$File::Find::prune=1;
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}
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elsif (! -d $_ && ! -l $_) {
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my ($f)=/$config{wiki_file_regexp}/; # untaint
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if (! defined $f) {
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warn("skipping bad filename $_\n");
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}
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else {
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$f=~s/^\Q$config{srcdir}\E\/?//;
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push @files, $f;
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$exists{pagename($f)}=1;
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}
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}
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},
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}, $config{srcdir});
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find({
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no_chdir => 1,
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wanted => sub {
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if (/$config{wiki_file_prune_regexp}/) {
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$File::Find::prune=1;
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}
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elsif (! -d $_ && ! -l $_) {
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my ($f)=/$config{wiki_file_regexp}/; # untaint
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if (! defined $f) {
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warn("skipping bad filename $_\n");
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}
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else {
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# Don't add files that are in the
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# srcdir.
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$f=~s/^\Q$config{underlaydir}\E\/?//;
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if (! -e "$config{srcdir}/$f" &&
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! -l "$config{srcdir}/$f") {
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push @files, $f;
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$exists{pagename($f)}=1;
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}
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}
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}
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},
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}, $config{underlaydir});
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my %rendered;
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# check for added or removed pages
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my @add;
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foreach my $file (@files) {
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my $page=pagename($file);
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if (! $oldpagemtime{$page}) {
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debug("new page $page") unless exists $pagectime{$page};
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push @add, $file;
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$links{$page}=[];
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$pagesources{$page}=$file;
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$pagectime{$page}=mtime(srcfile($file))
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unless exists $pagectime{$page};
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}
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}
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my @del;
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foreach my $page (keys %oldpagemtime) {
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if (! $exists{$page}) {
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debug("removing old page $page");
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push @del, $pagesources{$page};
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prune($config{destdir}."/".$renderedfiles{$page});
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delete $renderedfiles{$page};
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$oldpagemtime{$page}=0;
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delete $pagesources{$page};
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}
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}
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# render any updated files
|
|
foreach my $file (@files) {
|
|
my $page=pagename($file);
|
|
|
|
if (! exists $oldpagemtime{$page} ||
|
|
mtime(srcfile($file)) > $oldpagemtime{$page}) {
|
|
debug("rendering changed file $file");
|
|
render($file);
|
|
$rendered{$file}=1;
|
|
}
|
|
}
|
|
|
|
# if any files were added or removed, check to see if each page
|
|
# needs an update due to linking to them or inlining them.
|
|
# TODO: inefficient; pages may get rendered above and again here;
|
|
# problem is the bestlink may have changed and we won't know until
|
|
# now
|
|
if (@add || @del) {
|
|
FILE: foreach my $file (@files) {
|
|
my $page=pagename($file);
|
|
foreach my $f (@add, @del) {
|
|
my $p=pagename($f);
|
|
foreach my $link (@{$links{$page}}) {
|
|
if (bestlink($page, $link) eq $p) {
|
|
debug("rendering $file, which links to $p");
|
|
render($file);
|
|
$rendered{$file}=1;
|
|
next FILE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Handle backlinks; if a page has added/removed links, update the
|
|
# pages it links to. Also handle inlining here.
|
|
# TODO: inefficient; pages may get rendered above and again here;
|
|
# problem is the backlinks could be wrong in the first pass render
|
|
# above
|
|
if (%rendered || @del) {
|
|
foreach my $f (@files) {
|
|
my $p=pagename($f);
|
|
if (exists $inlinepages{$p}) {
|
|
foreach my $file (keys %rendered, @del) {
|
|
my $page=pagename($file);
|
|
if (globlist_match($page, $inlinepages{$p})) {
|
|
debug("rendering $f, which inlines $page");
|
|
render($f);
|
|
$rendered{$f}=1;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
my %linkchanged;
|
|
foreach my $file (keys %rendered, @del) {
|
|
my $page=pagename($file);
|
|
|
|
if (exists $links{$page}) {
|
|
foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
|
|
if (length $link &&
|
|
! exists $oldlinks{$page} ||
|
|
! grep { $_ eq $link } @{$oldlinks{$page}}) {
|
|
$linkchanged{$link}=1;
|
|
}
|
|
}
|
|
}
|
|
if (exists $oldlinks{$page}) {
|
|
foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
|
|
if (length $link &&
|
|
! exists $links{$page} ||
|
|
! grep { $_ eq $link } @{$links{$page}}) {
|
|
$linkchanged{$link}=1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
foreach my $link (keys %linkchanged) {
|
|
my $linkfile=$pagesources{$link};
|
|
if (defined $linkfile) {
|
|
debug("rendering $linkfile, to update its backlinks");
|
|
render($linkfile);
|
|
$rendered{$linkfile}=1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($config{hyperestraier} && (%rendered || @del)) {
|
|
debug("updating hyperestraier search index");
|
|
if (%rendered) {
|
|
estcmd("gather -cm -bc -cl -sd",
|
|
map { $config{destdir}."/".$renderedfiles{pagename($_)} }
|
|
keys %rendered);
|
|
}
|
|
if (@del) {
|
|
estcmd("purge -cl");
|
|
}
|
|
|
|
debug("generating hyperestraier cgi config");
|
|
estcfg();
|
|
}
|
|
} #}}}
|
|
|
|
1
|