801 lines
17 KiB
Perl
801 lines
17 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 Encode;
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use HTML::Entities;
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use open qw{:utf8 :std};
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use vars qw{%config %links %oldlinks %oldpagemtime %pagectime %pagecase
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%renderedfiles %pagesources %depends %hooks %forcerebuild};
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use Exporter q{import};
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our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
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bestlink htmllink readfile writefile pagetype srcfile pagename
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%config %links %renderedfiles %pagesources);
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# Optimisation.
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use Memoize;
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memoize("abs2rel");
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memoize("pagespec_translate");
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my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
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sub defaultconfig () { #{{{
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wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.x?html?$|\.rss$)},
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wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/,
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wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/,
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verbose => 0,
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syslog => 0,
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wikiname => "wiki",
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default_pageext => "mdwn",
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cgi => 0,
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rcs => 'svn',
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notify => 0,
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url => '',
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cgiurl => '',
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historyurl => '',
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diffurl => '',
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anonok => 0,
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rss => 0,
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discussion => 1,
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rebuild => 0,
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refresh => 0,
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getctime => 0,
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w3mmode => 0,
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wrapper => undef,
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wrappermode => undef,
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svnrepo => undef,
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svnpath => "trunk",
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srcdir => undef,
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destdir => undef,
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pingurl => [],
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templatedir => "$installdir/share/ikiwiki/templates",
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underlaydir => "$installdir/share/ikiwiki/basewiki",
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setup => undef,
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adminuser => undef,
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adminemail => undef,
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plugin => [qw{mdwn inline htmlscrubber}],
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timeformat => '%c',
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locale => undef,
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sslcookie => 0,
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} #}}}
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sub checkconfig () { #{{{
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# locale stuff; avoid LC_ALL since it overrides everything
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if (defined $ENV{LC_ALL}) {
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$ENV{LANG} = $ENV{LC_ALL};
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delete $ENV{LC_ALL};
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}
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if (defined $config{locale}) {
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eval q{use POSIX};
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$ENV{LANG} = $config{locale}
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if POSIX::setlocale(&POSIX::LC_TIME, $config{locale});
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}
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if ($config{w3mmode}) {
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eval q{use Cwd q{abs_path}};
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$config{srcdir}=possibly_foolish_untaint(abs_path($config{srcdir}));
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$config{destdir}=possibly_foolish_untaint(abs_path($config{destdir}));
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$config{cgiurl}="file:///\$LIB/ikiwiki-w3m.cgi/".$config{cgiurl}
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unless $config{cgiurl} =~ m!file:///!;
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$config{url}="file://".$config{destdir};
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}
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if ($config{cgi} && ! length $config{url}) {
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error("Must specify url to wiki with --url when using --cgi\n");
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}
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if ($config{rss} && ! length $config{url}) {
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error("Must specify url to wiki with --url when using --rss\n");
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}
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$config{wikistatedir}="$config{srcdir}/.ikiwiki"
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unless exists $config{wikistatedir};
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if ($config{rcs}) {
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eval qq{require IkiWiki::Rcs::$config{rcs}};
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if ($@) {
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error("Failed to load RCS module IkiWiki::Rcs::$config{rcs}: $@");
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}
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}
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else {
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require IkiWiki::Rcs::Stub;
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}
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run_hooks(checkconfig => sub { shift->() });
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} #}}}
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sub loadplugins () { #{{{
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foreach my $plugin (@{$config{plugin}}) {
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my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
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eval qq{use $mod};
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if ($@) {
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error("Failed to load plugin $mod: $@");
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}
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}
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run_hooks(getopt => sub { shift->() });
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if (grep /^-/, @ARGV) {
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print STDERR "Unknown option: $_\n"
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foreach grep /^-/, @ARGV;
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usage();
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}
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} #}}}
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sub error ($) { #{{{
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if ($config{cgi}) {
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print "Content-type: text/html\n\n";
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print misctemplate("Error", "<p>Error: @_</p>");
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}
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log_message(error => @_);
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exit(1);
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} #}}}
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sub debug ($) { #{{{
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return unless $config{verbose};
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log_message(debug => @_);
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} #}}}
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my $log_open=0;
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sub log_message ($$) { #{{{
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my $type=shift;
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if ($config{syslog}) {
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require Sys::Syslog;
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unless ($log_open) {
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Sys::Syslog::setlogsock('unix');
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Sys::Syslog::openlog('ikiwiki', '', 'user');
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$log_open=1;
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}
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eval {
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Sys::Syslog::syslog($type, join(" ", @_));
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}
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}
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elsif (! $config{cgi}) {
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print "@_\n";
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}
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else {
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print STDERR "@_\n";
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}
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} #}}}
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sub possibly_foolish_untaint ($) { #{{{
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my $tainted=shift;
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my ($untainted)=$tainted=~/(.*)/;
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return $untainted;
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} #}}}
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sub basename ($) { #{{{
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my $file=shift;
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$file=~s!.*/+!!;
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return $file;
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} #}}}
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sub dirname ($) { #{{{
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my $file=shift;
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$file=~s!/*[^/]+$!!;
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return $file;
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} #}}}
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sub pagetype ($) { #{{{
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my $page=shift;
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if ($page =~ /\.([^.]+)$/) {
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return $1 if exists $hooks{htmlize}{$1};
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}
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return undef;
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} #}}}
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sub pagename ($) { #{{{
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my $file=shift;
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my $type=pagetype($file);
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my $page=$file;
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$page=~s/\Q.$type\E*$// if defined $type;
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return $page;
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} #}}}
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sub htmlpage ($) { #{{{
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my $page=shift;
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return $page.".html";
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} #}}}
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sub srcfile ($) { #{{{
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my $file=shift;
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return "$config{srcdir}/$file" if -e "$config{srcdir}/$file";
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return "$config{underlaydir}/$file" if -e "$config{underlaydir}/$file";
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error("internal error: $file cannot be found");
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} #}}}
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sub readfile ($;$) { #{{{
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my $file=shift;
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my $binary=shift;
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if (-l $file) {
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error("cannot read a symlink ($file)");
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}
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local $/=undef;
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open (IN, $file) || error("failed to read $file: $!");
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binmode(IN) if ($binary);
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my $ret=<IN>;
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close IN;
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return $ret;
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} #}}}
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sub writefile ($$$;$) { #{{{
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my $file=shift; # can include subdirs
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my $destdir=shift; # directory to put file in
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my $content=shift;
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my $binary=shift;
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my $test=$file;
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while (length $test) {
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if (-l "$destdir/$test") {
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error("cannot write to a symlink ($test)");
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}
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$test=dirname($test);
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}
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my $dir=dirname("$destdir/$file");
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if (! -d $dir) {
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my $d="";
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foreach my $s (split(m!/+!, $dir)) {
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$d.="$s/";
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if (! -d $d) {
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mkdir($d) || error("failed to create directory $d: $!");
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}
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}
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}
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open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!");
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binmode(OUT) if ($binary);
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print OUT $content;
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close OUT;
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} #}}}
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sub bestlink ($$) { #{{{
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my $page=shift;
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my $link=shift;
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my $cwd=$page;
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do {
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my $l=$cwd;
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$l.="/" if length $l;
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$l.=$link;
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if (exists $links{$l}) {
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return $l;
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}
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elsif (exists $pagecase{lc $l}) {
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return $pagecase{lc $l};
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}
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} while $cwd=~s!/?[^/]+$!!;
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#print STDERR "warning: page $page, broken link: $link\n";
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return "";
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} #}}}
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sub isinlinableimage ($) { #{{{
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my $file=shift;
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$file=~/\.(png|gif|jpg|jpeg)$/i;
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} #}}}
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sub pagetitle ($) { #{{{
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my $page=shift;
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$page=~s/__(\d+)__/&#$1;/g;
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$page=~y/_/ /;
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return $page;
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} #}}}
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sub titlepage ($) { #{{{
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my $title=shift;
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$title=~y/ /_/;
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$title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg;
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return $title;
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} #}}}
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sub cgiurl (@) { #{{{
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my %params=@_;
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return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params);
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} #}}}
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sub baseurl (;$) { #{{{
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my $page=shift;
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return "$config{url}/" if ! defined $page;
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$page=~s/[^\/]+$//;
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$page=~s/[^\/]+\//..\//g;
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return $page;
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} #}}}
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sub abs2rel ($$) { #{{{
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# Work around very innefficient behavior in File::Spec if abs2rel
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# is passed two relative paths. It's much faster if paths are
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# absolute!
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my $path="/".shift;
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my $base="/".shift;
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require File::Spec;
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my $ret=File::Spec->abs2rel($path, $base);
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$ret=~s/^// if defined $ret;
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return $ret;
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} #}}}
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sub displaytime ($) { #{{{
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my $time=shift;
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eval q{use POSIX};
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# strftime doesn't know about encodings, so make sure
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# its output is properly treated as utf8
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return decode_utf8(POSIX::strftime(
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$config{timeformat}, localtime($time)));
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} #}}}
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sub htmllink ($$$;$$$) { #{{{
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my $lpage=shift; # the page doing the linking
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my $page=shift; # the page that will contain the link (different for inline)
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my $link=shift;
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my $noimageinline=shift; # don't turn links into inline html images
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my $forcesubpage=shift; # force a link to a subpage
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my $linktext=shift; # set to force the link text to something
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my $bestlink;
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if (! $forcesubpage) {
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$bestlink=bestlink($lpage, $link);
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}
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else {
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$bestlink="$lpage/".lc($link);
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}
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$linktext=pagetitle(basename($link)) unless defined $linktext;
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return "<span class=\"selflink\">$linktext</span>"
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if length $bestlink && $page eq $bestlink;
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# TODO BUG: %renderedfiles may not have it, if the linked to page
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# was also added and isn't yet rendered! Note that this bug is
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# masked by the bug that makes all new files be rendered twice.
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if (! grep { $_ eq $bestlink } values %renderedfiles) {
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$bestlink=htmlpage($bestlink);
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}
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if (! grep { $_ eq $bestlink } values %renderedfiles) {
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return "<span><a href=\"".
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cgiurl(do => "create", page => lc($link), from => $page).
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"\">?</a>$linktext</span>"
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}
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$bestlink=abs2rel($bestlink, dirname($page));
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if (! $noimageinline && isinlinableimage($bestlink)) {
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return "<img src=\"$bestlink\" alt=\"$linktext\" />";
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}
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return "<a href=\"$bestlink\">$linktext</a>";
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} #}}}
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sub htmlize ($$$) { #{{{
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my $page=shift;
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my $type=shift;
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my $content=shift;
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if (exists $hooks{htmlize}{$type}) {
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$content=$hooks{htmlize}{$type}{call}->(
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page => $page,
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content => $content,
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);
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}
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else {
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error("htmlization of $type not supported");
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}
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run_hooks(sanitize => sub {
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$content=shift->(
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page => $page,
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content => $content,
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);
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});
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return $content;
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} #}}}
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sub linkify ($$$) { #{{{
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my $lpage=shift; # the page containing the links
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my $page=shift; # the page the link will end up on (different for inline)
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my $content=shift;
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$content =~ s{(\\?)$config{wiki_link_regexp}}{
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$2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
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: ( $1 ? "[[$3]]" : htmllink($lpage, $page, titlepage($3)))
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}eg;
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return $content;
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} #}}}
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my %preprocessing;
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sub preprocess ($$$) { #{{{
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my $page=shift; # the page the data comes from
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my $destpage=shift; # the page the data will appear in (different for inline)
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my $content=shift;
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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 $escape) {
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return "[[$command $params]]";
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}
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elsif (exists $hooks{preprocess}{$command}) {
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# Note: preserve order of params, some plugins may
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# consider it significant.
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my @params;
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while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
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my $key=$1;
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my $val;
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if (defined $2) {
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$val=$2;
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$val=~s/\r\n/\n/mg;
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$val=~s/^\n+//g;
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$val=~s/\n+$//g;
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}
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elsif (defined $3) {
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$val=$3;
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}
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elsif (defined $4) {
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$val=$4;
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}
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if (defined $key) {
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push @params, $key, $val;
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}
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else {
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push @params, $val, '';
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}
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}
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if ($preprocessing{$page}++ > 3) {
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# Avoid loops of preprocessed pages preprocessing
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# other pages that preprocess them, etc.
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return "[[$command preprocessing loop detected on $page at depth $preprocessing{$page}]]";
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}
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my $ret=$hooks{preprocess}{$command}{call}->(
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@params,
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page => $page,
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destpage => $destpage,
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);
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$preprocessing{$page}--;
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return $ret;
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}
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else {
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return "[[$command $params]]";
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}
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};
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$content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
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return $content;
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} #}}}
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sub filter ($$) {
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my $page=shift;
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my $content=shift;
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run_hooks(filter => sub {
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$content=shift->(page => $page, content => $content);
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});
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return $content;
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}
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sub indexlink () { #{{{
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return "<a href=\"$config{url}\">$config{wikiname}</a>";
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} #}}}
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sub lockwiki () { #{{{
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# Take an exclusive lock on the wiki to prevent multiple concurrent
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# run issues. The lock will be dropped on program exit.
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if (! -d $config{wikistatedir}) {
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mkdir($config{wikistatedir});
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}
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open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
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error ("cannot write to $config{wikistatedir}/lockfile: $!");
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if (! flock(WIKILOCK, 2 | 4)) {
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debug("wiki seems to be locked, waiting for lock");
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my $wait=600; # arbitrary, but don't hang forever to
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# prevent process pileup
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for (1..600) {
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return if flock(WIKILOCK, 2 | 4);
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sleep 1;
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}
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error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
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}
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} #}}}
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sub unlockwiki () { #{{{
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close WIKILOCK;
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} #}}}
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sub loadindex () { #{{{
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open (IN, "$config{wikistatedir}/index") || return;
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while (<IN>) {
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$_=possibly_foolish_untaint($_);
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chomp;
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my %items;
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$items{link}=[];
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foreach my $i (split(/ /, $_)) {
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my ($item, $val)=split(/=/, $i, 2);
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push @{$items{$item}}, decode_entities($val);
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}
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next unless exists $items{src}; # skip bad lines for now
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my $page=pagename($items{src}[0]);
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if (! $config{rebuild}) {
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$pagesources{$page}=$items{src}[0];
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$oldpagemtime{$page}=$items{mtime}[0];
|
|
$oldlinks{$page}=[@{$items{link}}];
|
|
$links{$page}=[@{$items{link}}];
|
|
$depends{$page}=$items{depends}[0] if exists $items{depends};
|
|
$renderedfiles{$page}=$items{dest}[0];
|
|
$pagecase{lc $page}=$page;
|
|
}
|
|
$pagectime{$page}=$items{ctime}[0];
|
|
}
|
|
close IN;
|
|
} #}}}
|
|
|
|
sub saveindex () { #{{{
|
|
run_hooks(savestate => sub { shift->() });
|
|
|
|
if (! -d $config{wikistatedir}) {
|
|
mkdir($config{wikistatedir});
|
|
}
|
|
open (OUT, ">$config{wikistatedir}/index") ||
|
|
error("cannot write to $config{wikistatedir}/index: $!");
|
|
foreach my $page (keys %oldpagemtime) {
|
|
next unless $oldpagemtime{$page};
|
|
my $line="mtime=$oldpagemtime{$page} ".
|
|
"ctime=$pagectime{$page} ".
|
|
"src=$pagesources{$page} ".
|
|
"dest=$renderedfiles{$page}";
|
|
$line.=" link=$_" foreach @{$links{$page}};
|
|
if (exists $depends{$page}) {
|
|
$line.=" depends=".encode_entities($depends{$page}, " \t\n");
|
|
}
|
|
print OUT $line."\n";
|
|
}
|
|
close OUT;
|
|
} #}}}
|
|
|
|
sub template_params (@) { #{{{
|
|
my $filename=shift;
|
|
|
|
require HTML::Template;
|
|
return filter => sub {
|
|
my $text_ref = shift;
|
|
$$text_ref=&Encode::decode_utf8($$text_ref);
|
|
},
|
|
filename => "$config{templatedir}/$filename",
|
|
loop_context_vars => 1,
|
|
die_on_bad_params => 0,
|
|
@_;
|
|
} #}}}
|
|
|
|
sub template ($;@) { #{{{
|
|
HTML::Template->new(template_params(@_));
|
|
} #}}}
|
|
|
|
sub misctemplate ($$) { #{{{
|
|
my $title=shift;
|
|
my $pagebody=shift;
|
|
|
|
my $template=template("misc.tmpl");
|
|
$template->param(
|
|
title => $title,
|
|
indexlink => indexlink(),
|
|
wikiname => $config{wikiname},
|
|
pagebody => $pagebody,
|
|
baseurl => baseurl(),
|
|
);
|
|
return $template->output;
|
|
}#}}}
|
|
|
|
sub hook (@) { # {{{
|
|
my %param=@_;
|
|
|
|
if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
|
|
error "hook requires type, call, and id parameters";
|
|
}
|
|
|
|
$hooks{$param{type}}{$param{id}}=\%param;
|
|
} # }}}
|
|
|
|
sub run_hooks ($$) { # {{{
|
|
# Calls the given sub for each hook of the given type,
|
|
# passing it the hook function to call.
|
|
my $type=shift;
|
|
my $sub=shift;
|
|
|
|
if (exists $hooks{$type}) {
|
|
foreach my $id (keys %{$hooks{$type}}) {
|
|
$sub->($hooks{$type}{$id}{call});
|
|
}
|
|
}
|
|
} #}}}
|
|
|
|
sub globlist_to_pagespec ($) { #{{{
|
|
my @globlist=split(' ', shift);
|
|
|
|
my (@spec, @skip);
|
|
foreach my $glob (@globlist) {
|
|
if ($glob=~/^!(.*)/) {
|
|
push @skip, $glob;
|
|
}
|
|
else {
|
|
push @spec, $glob;
|
|
}
|
|
}
|
|
|
|
my $spec=join(" or ", @spec);
|
|
if (@skip) {
|
|
my $skip=join(" and ", @skip);
|
|
if (length $spec) {
|
|
$spec="$skip and ($spec)";
|
|
}
|
|
else {
|
|
$spec=$skip;
|
|
}
|
|
}
|
|
return $spec;
|
|
} #}}}
|
|
|
|
sub is_globlist ($) { #{{{
|
|
my $s=shift;
|
|
$s=~/[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or";
|
|
} #}}}
|
|
|
|
sub safequote ($) { #{{{
|
|
my $s=shift;
|
|
$s=~s/[{}]//g;
|
|
return "q{$s}";
|
|
} #}}}
|
|
|
|
sub pagespec_merge ($$) { #{{{
|
|
my $a=shift;
|
|
my $b=shift;
|
|
|
|
return $a if $a eq $b;
|
|
|
|
# Support for old-style GlobLists.
|
|
if (is_globlist($a)) {
|
|
$a=globlist_to_pagespec($a);
|
|
}
|
|
if (is_globlist($b)) {
|
|
$b=globlist_to_pagespec($b);
|
|
}
|
|
|
|
return "($a) or ($b)";
|
|
} #}}}
|
|
|
|
sub pagespec_translate ($) { #{{{
|
|
# This assumes that $page is in scope in the function
|
|
# that evalulates the translated pagespec code.
|
|
my $spec=shift;
|
|
|
|
# Support for old-style GlobLists.
|
|
if (is_globlist($spec)) {
|
|
$spec=globlist_to_pagespec($spec);
|
|
}
|
|
|
|
# Convert spec to perl code.
|
|
my $code="";
|
|
while ($spec=~m/\s*(\!|\(|\)|\w+\([^\)]+\)|[^\s()]+)\s*/ig) {
|
|
my $word=$1;
|
|
if (lc $word eq "and") {
|
|
$code.=" &&";
|
|
}
|
|
elsif (lc $word eq "or") {
|
|
$code.=" ||";
|
|
}
|
|
elsif ($word eq "(" || $word eq ")" || $word eq "!") {
|
|
$code.=" ".$word;
|
|
}
|
|
elsif ($word =~ /^(link|backlink|created_before|created_after|creation_month|creation_year|creation_day)\((.+)\)$/) {
|
|
$code.=" match_$1(\$page, ".safequote($2).")";
|
|
}
|
|
else {
|
|
$code.=" match_glob(\$page, ".safequote($word).")";
|
|
}
|
|
}
|
|
|
|
return $code;
|
|
} #}}}
|
|
|
|
sub add_depends ($$) { #{{{
|
|
my $page=shift;
|
|
my $pagespec=shift;
|
|
|
|
if (! exists $depends{$page}) {
|
|
$depends{$page}=$pagespec;
|
|
}
|
|
else {
|
|
$depends{$page}=pagespec_merge($depends{$page}, $pagespec);
|
|
}
|
|
} # }}}
|
|
|
|
sub pagespec_match ($$) { #{{{
|
|
my $page=shift;
|
|
my $spec=shift;
|
|
|
|
return eval pagespec_translate($spec);
|
|
} #}}}
|
|
|
|
sub match_glob ($$) { #{{{
|
|
my $page=shift;
|
|
my $glob=shift;
|
|
|
|
# turn glob into safe regexp
|
|
$glob=quotemeta($glob);
|
|
$glob=~s/\\\*/.*/g;
|
|
$glob=~s/\\\?/./g;
|
|
|
|
return $page=~/^$glob$/i;
|
|
} #}}}
|
|
|
|
sub match_link ($$) { #{{{
|
|
my $page=shift;
|
|
my $link=lc(shift);
|
|
|
|
my $links = $links{$page} or return undef;
|
|
foreach my $p (@$links) {
|
|
return 1 if lc $p eq $link;
|
|
}
|
|
return 0;
|
|
} #}}}
|
|
|
|
sub match_backlink ($$) { #{{{
|
|
match_link(pop, pop);
|
|
} #}}}
|
|
|
|
sub match_created_before ($$) { #{{{
|
|
my $page=shift;
|
|
my $testpage=shift;
|
|
|
|
if (exists $pagectime{$testpage}) {
|
|
return $pagectime{$page} < $pagectime{$testpage};
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
} #}}}
|
|
|
|
sub match_created_after ($$) { #{{{
|
|
my $page=shift;
|
|
my $testpage=shift;
|
|
|
|
if (exists $pagectime{$testpage}) {
|
|
return $pagectime{$page} > $pagectime{$testpage};
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
} #}}}
|
|
|
|
sub match_creation_day ($$) { #{{{
|
|
return ((gmtime($pagectime{shift()}))[3] == shift);
|
|
} #}}}
|
|
|
|
sub match_creation_month ($$) { #{{{
|
|
return ((gmtime($pagectime{shift()}))[4] + 1 == shift);
|
|
} #}}}
|
|
|
|
sub match_creation_year ($$) { #{{{
|
|
return ((gmtime($pagectime{shift()}))[5] + 1900 == shift);
|
|
} #}}}
|
|
|
|
1
|