X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/cedb48765b52d3e074f43703cf55611b3bce101d..b695d6bdec4bd673a7b43f717258a9922a284d4a:/IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 4e3011918..8a3c81755 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -7,25 +7,38 @@ use Encode;
 use HTML::Entities;
 use open qw{:utf8 :std};
 
+use vars qw{%config %links %oldlinks %oldpagemtime %pagectime %pagecase
+            %renderedfiles %oldrenderedfiles %pagesources %depends %hooks
+	    %forcerebuild};
+
+use Exporter q{import};
+our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
+                 bestlink htmllink readfile writefile pagetype srcfile pagename
+                 displaytime will_render gettext
+                 %config %links %renderedfiles %pagesources);
+our $VERSION = 1.01; # plugin interface version
+
 # Optimisation.
 use Memoize;
 memoize("abs2rel");
 memoize("pagespec_translate");
+memoize("file_pruned");
 
-use vars qw{%config %links %oldlinks %oldpagemtime %pagectime %pagecase
-            %renderedfiles %pagesources %depends %hooks %forcerebuild};
+my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
+our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
 
 sub defaultconfig () { #{{{
-	wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.x?html?$|\.rss$)},
+	wiki_file_prune_regexps => [qr/\.\./, qr/^\./, qr/\/\./, qr/\.x?html?$/,
+		qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//],
 	wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/,
-	wiki_processor_regexp => qr/\[\[(\w+)\s+([^\]]*)\]\]/,
 	wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/,
+	web_commit_regexp => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/,
 	verbose => 0,
 	syslog => 0,
 	wikiname => "wiki",
 	default_pageext => "mdwn",
 	cgi => 0,
-	rcs => 'svn',
+	rcs => '',
 	notify => 0,
 	url => '',
 	cgiurl => '',
@@ -33,6 +46,7 @@ sub defaultconfig () { #{{{
 	diffurl => '',
 	anonok => 0,
 	rss => 0,
+	atom => 0,
 	discussion => 1,
 	rebuild => 0,
 	refresh => 0,
@@ -45,14 +59,17 @@ sub defaultconfig () { #{{{
 	srcdir => undef,
 	destdir => undef,
 	pingurl => [],
-	templatedir => "/usr/share/ikiwiki/templates",
-	underlaydir => "/usr/share/ikiwiki/basewiki",
+	templatedir => "$installdir/share/ikiwiki/templates",
+	underlaydir => "$installdir/share/ikiwiki/basewiki",
 	setup => undef,
 	adminuser => undef,
 	adminemail => undef,
-	plugin => [qw{mdwn inline htmlscrubber}],
+	plugin => [qw{mdwn inline htmlscrubber passwordauth}],
 	timeformat => '%c',
 	locale => undef,
+	sslcookie => 0,
+	httpauth => 0,
+	userdir => "",
 } #}}}
    
 sub checkconfig () { #{{{
@@ -63,12 +80,14 @@ sub checkconfig () { #{{{
 	}
 	if (defined $config{locale}) {
 		eval q{use POSIX};
+		error($@) if $@;
 		$ENV{LANG} = $config{locale}
-			if POSIX::setlocale(&POSIX::LC_TIME, $config{locale});
+			if POSIX::setlocale(&POSIX::LC_ALL, $config{locale});
 	}
 
 	if ($config{w3mmode}) {
 		eval q{use Cwd q{abs_path}};
+		error($@) if $@;
 		$config{srcdir}=possibly_foolish_untaint(abs_path($config{srcdir}));
 		$config{destdir}=possibly_foolish_untaint(abs_path($config{destdir}));
 		$config{cgiurl}="file:///\$LIB/ikiwiki-w3m.cgi/".$config{cgiurl}
@@ -77,10 +96,7 @@ sub checkconfig () { #{{{
 	}
 
 	if ($config{cgi} && ! length $config{url}) {
-		error("Must specify url to wiki with --url when using --cgi\n");
-	}
-	if ($config{rss} && ! length $config{url}) {
-		error("Must specify url to wiki with --url when using --rss\n");
+		error(gettext("Must specify url to wiki with --url when using --cgi"));
 	}
 	
 	$config{wikistatedir}="$config{srcdir}/.ikiwiki"
@@ -100,13 +116,8 @@ sub checkconfig () { #{{{
 } #}}}
 
 sub loadplugins () { #{{{
-	foreach my $plugin (@{$config{plugin}}) {
-		my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
-		eval qq{use $mod};
-		if ($@) {
-			error("Failed to load plugin $mod: $@");
-		}
-	}
+	loadplugin($_) foreach @{$config{plugin}};
+	
 	run_hooks(getopt => sub { shift->() });
 	if (grep /^-/, @ARGV) {
 		print STDERR "Unknown option: $_\n"
@@ -115,10 +126,23 @@ sub loadplugins () { #{{{
 	}
 } #}}}
 
+sub loadplugin ($) { #{{{
+	my $plugin=shift;
+
+	return if grep { $_ eq $plugin} @{$config{disable_plugins}};
+
+	my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
+	eval qq{use $mod};
+	if ($@) {
+		error("Failed to load plugin $mod: $@");
+	}
+} #}}}
+
 sub error ($) { #{{{
 	if ($config{cgi}) {
 		print "Content-type: text/html\n\n";
-		print misctemplate("Error", "<p>Error: @_</p>");
+		print misctemplate(gettext("Error"),
+			"<p>".gettext("Error").": @_</p>");
 	}
 	log_message(error => @_);
 	exit(1);
@@ -251,16 +275,37 @@ sub writefile ($$$;$) { #{{{
 	close OUT;
 } #}}}
 
+my %cleared;
+sub will_render ($$;$) { #{{{
+	my $page=shift;
+	my $dest=shift;
+	my $clear=shift;
+
+	# Important security check.
+	if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
+	    ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}})) {
+		error("$config{destdir}/$dest independently created, not overwriting with version from $page");
+	}
+
+	if (! $clear || $cleared{$page}) {
+		$renderedfiles{$page}=[$dest, grep { $_ ne $dest } @{$renderedfiles{$page}}];
+	}
+	else {
+		$renderedfiles{$page}=[$dest];
+		$cleared{$page}=1;
+	}
+} #}}}
+
 sub bestlink ($$) { #{{{
-	# Given a page and the text of a link on the page, determine which
-	# existing page that link best points to. Prefers pages under a
-	# subdirectory with the same name as the source page, failing that
-	# goes down the directory tree to the base looking for matching
-	# pages.
 	my $page=shift;
 	my $link=shift;
 	
 	my $cwd=$page;
+	if ($link=~s/^\/+//) {
+		# absolute links
+		$cwd="";
+	}
+
 	do {
 		my $l=$cwd;
 		$l.="/" if length $l;
@@ -274,6 +319,10 @@ sub bestlink ($$) { #{{{
 		}
 	} while $cwd=~s!/?[^/]+$!!;
 
+	if (length $config{userdir} && exists $links{"$config{userdir}/".lc($link)}) {
+		return "$config{userdir}/".lc($link);
+	}
+
 	#print STDERR "warning: page $page, broken link: $link\n";
 	return "";
 } #}}}
@@ -284,10 +333,18 @@ sub isinlinableimage ($) { #{{{
 	$file=~/\.(png|gif|jpg|jpeg)$/i;
 } #}}}
 
-sub pagetitle ($) { #{{{
+sub pagetitle ($;$) { #{{{
 	my $page=shift;
-	$page=~s/__(\d+)__/&#$1;/g;
+	my $unescaped=shift;
+
+	if ($unescaped) {
+		$page=~s/__(\d+)__/chr($1)/eg;
+	}
+	else {
+		$page=~s/__(\d+)__/&#$1;/g;
+	}
 	$page=~y/_/ /;
+
 	return $page;
 } #}}}
 
@@ -304,20 +361,20 @@ sub cgiurl (@) { #{{{
 	return $config{cgiurl}."?".join("&amp;", map "$_=$params{$_}", keys %params);
 } #}}}
 
-sub styleurl (;$) { #{{{
+sub baseurl (;$) { #{{{
 	my $page=shift;
 
-	return "$config{url}/style.css" if ! defined $page;
+	return "$config{url}/" if ! defined $page;
 	
 	$page=~s/[^\/]+$//;
 	$page=~s/[^\/]+\//..\//g;
-	return $page."style.css";
+	return $page;
 } #}}}
 
 sub abs2rel ($$) { #{{{
 	# Work around very innefficient behavior in File::Spec if abs2rel
 	# is passed two relative paths. It's much faster if paths are
-	# absolute!
+	# absolute! (Debian bug #376658; fixed in debian unstable now)
 	my $path="/".shift;
 	my $base="/".shift;
 
@@ -327,6 +384,17 @@ sub abs2rel ($$) { #{{{
 	return $ret;
 } #}}}
 
+sub displaytime ($) { #{{{
+	my $time=shift;
+
+	eval q{use POSIX};
+	error($@) if $@;
+	# strftime doesn't know about encodings, so make sure
+	# its output is properly treated as utf8
+	return decode_utf8(POSIX::strftime(
+			$config{timeformat}, localtime($time)));
+} #}}}
+
 sub htmllink ($$$;$$$) { #{{{
 	my $lpage=shift; # the page doing the linking
 	my $page=shift; # the page that will contain the link (different for inline)
@@ -348,13 +416,11 @@ sub htmllink ($$$;$$$) { #{{{
 	return "<span class=\"selflink\">$linktext</span>"
 		if length $bestlink && $page eq $bestlink;
 	
-	# TODO BUG: %renderedfiles may not have it, if the linked to page
-	# was also added and isn't yet rendered! Note that this bug is
-	# masked by the bug that makes all new files be rendered twice.
-	if (! grep { $_ eq $bestlink } values %renderedfiles) {
+	if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) {
 		$bestlink=htmlpage($bestlink);
 	}
-	if (! grep { $_ eq $bestlink } values %renderedfiles) {
+	if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) {
+		return $linktext unless length $config{cgiurl};
 		return "<span><a href=\"".
 			cgiurl(do => "create", page => lc($link), from => $page).
 			"\">?</a>$linktext</span>"
@@ -368,6 +434,125 @@ sub htmllink ($$$;$$$) { #{{{
 	return "<a href=\"$bestlink\">$linktext</a>";
 } #}}}
 
+sub htmlize ($$$) { #{{{
+	my $page=shift;
+	my $type=shift;
+	my $content=shift;
+
+	if (exists $hooks{htmlize}{$type}) {
+		$content=$hooks{htmlize}{$type}{call}->(
+			page => $page,
+			content => $content,
+		);
+	}
+	else {
+		error("htmlization of $type not supported");
+	}
+
+	run_hooks(sanitize => sub {
+		$content=shift->(
+			page => $page,
+			content => $content,
+		);
+	});
+
+	return $content;
+} #}}}
+
+sub linkify ($$$) { #{{{
+	my $lpage=shift; # the page containing the links
+	my $page=shift; # the page the link will end up on (different for inline)
+	my $content=shift;
+
+	$content =~ s{(\\?)$config{wiki_link_regexp}}{
+		$2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
+		   : ( $1 ? "[[$3]]" :    htmllink($lpage, $page, titlepage($3)))
+	}eg;
+	
+	return $content;
+} #}}}
+
+my %preprocessing;
+sub preprocess ($$$;$) { #{{{
+	my $page=shift; # the page the data comes from
+	my $destpage=shift; # the page the data will appear in (different for inline)
+	my $content=shift;
+	my $scan=shift;
+
+	my $handle=sub {
+		my $escape=shift;
+		my $command=shift;
+		my $params=shift;
+		if (length $escape) {
+			return "[[$command $params]]";
+		}
+		elsif (exists $hooks{preprocess}{$command}) {
+			return "" if $scan && ! $hooks{preprocess}{$command}{scan};
+			# Note: preserve order of params, some plugins may
+			# consider it significant.
+			my @params;
+			while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
+				my $key=$1;
+				my $val;
+				if (defined $2) {
+					$val=$2;
+					$val=~s/\r\n/\n/mg;
+					$val=~s/^\n+//g;
+					$val=~s/\n+$//g;
+				}
+				elsif (defined $3) {
+					$val=$3;
+				}
+				elsif (defined $4) {
+					$val=$4;
+				}
+
+				if (defined $key) {
+					push @params, $key, $val;
+				}
+				else {
+					push @params, $val, '';
+				}
+			}
+			if ($preprocessing{$page}++ > 3) {
+				# Avoid loops of preprocessed pages preprocessing
+				# other pages that preprocess them, etc.
+				#translators: The first parameter is a
+				#translators: preprocessor directive name,
+				#translators: the second a page name, the
+				#translators: third a number.
+				return "[[".sprintf(gettext("%s preprocessing loop detected on %s at depth %i"),
+					$command, $page, $preprocessing{$page}).
+				"]]";
+			}
+			my $ret=$hooks{preprocess}{$command}{call}->(
+				@params,
+				page => $page,
+				destpage => $destpage,
+			);
+			$preprocessing{$page}--;
+			return $ret;
+		}
+		else {
+			return "[[$command $params]]";
+		}
+	};
+	
+	$content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
+	return $content;
+} #}}}
+
+sub filter ($$) { #{{{
+	my $page=shift;
+	my $content=shift;
+
+	run_hooks(filter => sub {
+		$content=shift->(page => $page, content => $content);
+	});
+
+	return $content;
+} #}}}
+
 sub indexlink () { #{{{
 	return "<a href=\"$config{url}\">$config{wikiname}</a>";
 } #}}}
@@ -403,6 +588,7 @@ sub loadindex () { #{{{
 		chomp;
 		my %items;
 		$items{link}=[];
+		$items{dest}=[];
 		foreach my $i (split(/ /, $_)) {
 			my ($item, $val)=split(/=/, $i, 2);
 			push @{$items{$item}}, decode_entities($val);
@@ -417,7 +603,8 @@ sub loadindex () { #{{{
 			$oldlinks{$page}=[@{$items{link}}];
 			$links{$page}=[@{$items{link}}];
 			$depends{$page}=$items{depends}[0] if exists $items{depends};
-			$renderedfiles{$page}=$items{dest}[0];
+			$renderedfiles{$page}=[@{$items{dest}}];
+			$oldrenderedfiles{$page}=[@{$items{dest}}];
 			$pagecase{lc $page}=$page;
 		}
 		$pagectime{$page}=$items{ctime}[0];
@@ -437,9 +624,10 @@ sub saveindex () { #{{{
 		next unless $oldpagemtime{$page};
 		my $line="mtime=$oldpagemtime{$page} ".
 			"ctime=$pagectime{$page} ".
-			"src=$pagesources{$page} ".
-			"dest=$renderedfiles{$page}";
-		$line.=" link=$_" foreach @{$links{$page}};
+			"src=$pagesources{$page}";
+		$line.=" dest=$_" foreach @{$renderedfiles{$page}};
+		my %count;
+		$line.=" link=$_" foreach grep { ++$count{$_} == 1 } @{$links{$page}};
 		if (exists $depends{$page}) {
 			$line.=" depends=".encode_entities($depends{$page}, " \t\n");
 		}
@@ -448,25 +636,42 @@ sub saveindex () { #{{{
 	close OUT;
 } #}}}
 
+sub template_file ($) { #{{{
+	my $template=shift;
+
+	foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") {
+		return "$dir/$template" if -e "$dir/$template";
+	}
+	return undef;
+} #}}}
+
 sub template_params (@) { #{{{
-	my $filename=shift;
-	
+	my $filename=template_file(shift);
+
+	if (! defined $filename) {
+		return if wantarray;
+		return "";
+	}
+
 	require HTML::Template;
-	return filter => sub {
+	my @ret=(
+		filter => sub {
 			my $text_ref = shift;
 			$$text_ref=&Encode::decode_utf8($$text_ref);
 		},
-		filename => "$config{templatedir}/$filename",
+		filename => $filename,
 		loop_context_vars => 1,
 		die_on_bad_params => 0,
-		@_;
+		@_
+	);
+	return wantarray ? @ret : {@ret};
 } #}}}
 
 sub template ($;@) { #{{{
 	HTML::Template->new(template_params(@_));
 } #}}}
 
-sub misctemplate ($$) { #{{{
+sub misctemplate ($$;@) { #{{{
 	my $title=shift;
 	my $pagebody=shift;
 	
@@ -476,9 +681,12 @@ sub misctemplate ($$) { #{{{
 		indexlink => indexlink(),
 		wikiname => $config{wikiname},
 		pagebody => $pagebody,
-		styleurl => styleurl(),
-		baseurl => "$config{url}/",
+		baseurl => baseurl(),
+		@_,
 	);
+	run_hooks(pagetemplate => sub {
+		shift->(page => "", destpage => "", template => $template);
+	});
 	return $template->output;
 }#}}}
 
@@ -488,6 +696,8 @@ sub hook (@) { # {{{
 	if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
 		error "hook requires type, call, and id parameters";
 	}
+
+	return if $param{no_override} && exists $hooks{$param{type}}{$param{id}};
 	
 	$hooks{$param{type}}{$param{id}}=\%param;
 } # }}}
@@ -499,7 +709,15 @@ sub run_hooks ($$) { # {{{
 	my $sub=shift;
 
 	if (exists $hooks{$type}) {
+		my @deferred;
 		foreach my $id (keys %{$hooks{$type}}) {
+			if ($hooks{$type}{$id}{last}) {
+				push @deferred, $id;
+				next;
+			}
+			$sub->($hooks{$type}{$id}{call});
+		}
+		foreach my $id (@deferred) {
 			$sub->($hooks{$type}{$id}{call});
 		}
 	}
@@ -546,6 +764,8 @@ 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);
@@ -591,6 +811,43 @@ sub pagespec_translate ($) { #{{{
 	return $code;
 } #}}}
 
+sub add_depends ($$) { #{{{
+	my $page=shift;
+	my $pagespec=shift;
+	
+	if (! exists $depends{$page}) {
+		$depends{$page}=$pagespec;
+	}
+	else {
+		$depends{$page}=pagespec_merge($depends{$page}, $pagespec);
+	}
+} # }}}
+
+sub file_pruned ($$) { #{{{
+	require File::Spec;
+	my $file=File::Spec->canonpath(shift);
+	my $base=File::Spec->canonpath(shift);
+	$file=~s#^\Q$base\E/*##;
+
+	my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
+	$file =~ m/$regexp/;
+} #}}}
+
+my $gettext_obj;
+sub gettext { #{{{
+	# Only use gettext in the rare cases it's needed.
+	if (exists $ENV{LANG} || exists $ENV{LC_ALL} || exists $ENV{LC_MESSAGES}) {
+		if (! $gettext_obj) {
+			eval q{use Locale::gettext ''};
+			$gettext_obj=Locale::gettext->domain('ikiwiki');
+		}
+		return $gettext_obj->get(shift);
+	}
+	else {
+		return shift;
+	}
+} #}}}
+
 sub pagespec_match ($$) { #{{{
 	my $page=shift;
 	my $spec=shift;