X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/d6f9d7743167cb4b58f16f1e371585f09dc15a0b..f3fd7696cf81bc479d4458d48da1bfcb4eccd68e:/IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index cd9c40795..8136a7c4b 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -336,6 +336,14 @@ sub getsetup () {
 		safe => 0, # paranoia
 		rebuild => 0,
 	},
+	timezone => {
+		type => "string", 
+		default => "",
+		example => "US/Eastern",
+		description => "time zone name",
+		safe => 1,
+		rebuild => 1,
+	},
 	include => {
 		type => "string",
 		default => undef,
@@ -477,7 +485,7 @@ sub getsetup () {
 	},
 	setuptype => {
 		type => "internal",
-		default => "Standard",
+		default => "Yaml",
 		description => "perl class to use to dump setup file",
 		safe => 0,
 		rebuild => 0,
@@ -497,10 +505,15 @@ sub defaultconfig () {
 	foreach my $key (keys %s) {
 		push @ret, $key, $s{$key}->{default};
 	}
-	use Data::Dumper;
 	return @ret;
 }
 
+# URL to top of wiki as a path starting with /, valid from any wiki page or
+# the CGI; if that's not possible, an absolute URL. Either way, it ends with /
+my $local_url;
+# URL to CGI script, similar to $local_url
+my $local_cgiurl;
+
 sub checkconfig () {
 	# locale stuff; avoid LC_ALL since it overrides everything
 	if (defined $ENV{LC_ALL}) {
@@ -523,6 +536,12 @@ sub checkconfig () {
 			$ENV{$val}=$config{ENV}{$val};
 		}
 	}
+	if (defined $config{timezone} && length $config{timezone}) {
+		$ENV{TZ}=$config{timezone};
+	}
+	else {
+		$config{timezone}=$ENV{TZ};
+	}
 
 	if ($config{w3mmode}) {
 		eval q{use Cwd q{abs_path}};
@@ -537,7 +556,33 @@ sub checkconfig () {
 	if ($config{cgi} && ! length $config{url}) {
 		error(gettext("Must specify url to wiki with --url when using --cgi"));
 	}
-	
+
+	if (defined $config{url} && length $config{url}) {
+		eval q{use URI};
+		my $baseurl = URI->new($config{url});
+
+		$local_url = $baseurl->path . "/";
+		$local_cgiurl = undef;
+
+		if (length $config{cgiurl}) {
+			my $cgiurl = URI->new($config{cgiurl});
+
+			$local_cgiurl = $cgiurl->path;
+
+			if ($cgiurl->scheme ne $baseurl->scheme or
+				$cgiurl->authority ne $baseurl->authority) {
+				# too far apart, fall back to absolute URLs
+				$local_url = "$config{url}/";
+				$local_cgiurl = $config{cgiurl};
+			}
+		}
+
+		$local_url =~ s{//$}{/};
+	}
+	else {
+		$local_cgiurl = $config{cgiurl};
+	}
+
 	$config{wikistatedir}="$config{srcdir}/.ikiwiki"
 		unless exists $config{wikistatedir} && defined $config{wikistatedir};
 
@@ -717,7 +762,7 @@ sub pagename ($) {
 
 	my $type=pagetype($file);
 	my $page=$file;
- 	$page=~s/\Q.$type\E*$//
+	$page=~s/\Q.$type\E*$//
 		if defined $type && !$hooks{htmlize}{$type}{keepextension}
 			&& !$hooks{htmlize}{$type}{noextension};
 	if ($config{indexpages} && $page=~/(.*)\/index$/) {
@@ -778,17 +823,23 @@ sub srcfile ($;$) {
 	return (srcfile_stat(@_))[0];
 }
 
-sub add_underlay ($) {
+sub add_literal_underlay ($) {
 	my $dir=shift;
 
-	if ($dir !~ /^\//) {
-		$dir="$config{underlaydirbase}/$dir";
-	}
-
 	if (! grep { $_ eq $dir } @{$config{underlaydirs}}) {
 		unshift @{$config{underlaydirs}}, $dir;
 	}
+}
 
+sub add_underlay ($) {
+	my $dir = shift;
+
+	if ($dir !~ /^\//) {
+		$dir="$config{underlaydirbase}/$dir";
+	}
+
+	add_literal_underlay($dir);
+	# why does it return 1? we just don't know
 	return 1;
 }
 
@@ -823,6 +874,17 @@ sub prep_writefile ($$) {
 		if (-l "$destdir/$test") {
 			error("cannot write to a symlink ($test)");
 		}
+		if (-f _ && $test ne $file) {
+			# Remove conflicting file.
+			foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+				foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+					if ($f eq $test) {
+						unlink("$destdir/$test");
+						last;
+					}
+				}
+			}
+		}
 		$test=dirname($test);
 	}
 
@@ -876,10 +938,36 @@ sub will_render ($$;$) {
 	my $dest=shift;
 	my $clear=shift;
 
-	# Important security check.
+	# Important security check for independently created files.
 	if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
 	    ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}}, @{$wikistate{editpage}{previews}})) {
-		error("$config{destdir}/$dest independently created, not overwriting with version from $page");
+		my $from_other_page=0;
+	    	# Expensive, but rarely runs.
+		foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+			if (grep {
+				$_ eq $dest ||
+				dirname($_) eq $dest
+			    } @{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+				$from_other_page=1;
+				last;
+			}
+		}
+
+		error("$config{destdir}/$dest independently created, not overwriting with version from $page")
+			unless $from_other_page;
+	}
+
+	# If $dest exists as a directory, remove conflicting files in it
+	# rendered from other pages.
+	if (-d _) {
+		foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+			foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+				if (dirname($f) eq $dest) {
+					unlink("$config{destdir}/$f");
+					rmdir(dirname("$config{destdir}/$f"));
+				}
+			}
+		}
 	}
 
 	if (! $clear || $cleared{$page}) {
@@ -973,11 +1061,17 @@ sub linkpage ($) {
 sub cgiurl (@) {
 	my %params=@_;
 
-	my $cgiurl=$config{cgiurl};
+	my $cgiurl=$local_cgiurl;
+
 	if (exists $params{cgiurl}) {
 		$cgiurl=$params{cgiurl};
 		delete $params{cgiurl};
 	}
+
+	unless (%params) {
+		return $cgiurl;
+	}
+
 	return $cgiurl."?".
 		join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
 }
@@ -985,7 +1079,7 @@ sub cgiurl (@) {
 sub baseurl (;$) {
 	my $page=shift;
 
-	return "$config{url}/" if ! defined $page;
+	return $local_url if ! defined $page;
 	
 	$page=htmlpage($page);
 	$page=~s/[^\/]+$//;
@@ -993,6 +1087,16 @@ sub baseurl (;$) {
 	return $page;
 }
 
+sub urlabs ($$) {
+	my $url=shift;
+	my $urlbase=shift;
+
+	return $url unless defined $urlbase && length $urlbase;
+
+	eval q{use URI};
+	URI->new_abs($url, $urlbase)->as_string;
+}
+
 sub abs2rel ($$) {
 	# Work around very innefficient behavior in File::Spec if abs2rel
 	# is passed two relative paths. It's much faster if paths are
@@ -1059,13 +1163,13 @@ sub beautify_urlpath ($) {
 	return $url;
 }
 
-sub urlto ($$;$) {
+sub urlto ($;$$) {
 	my $to=shift;
 	my $from=shift;
 	my $absolute=shift;
 	
 	if (! length $to) {
-		return beautify_urlpath(baseurl($from)."index.$config{htmlext}");
+		$to = 'index';
 	}
 
 	if (! $destsources{$to}) {
@@ -1076,16 +1180,24 @@ sub urlto ($$;$) {
 		return $config{url}.beautify_urlpath("/".$to);
 	}
 
+	if (! defined $from) {
+		my $u = $local_url || '';
+		$u =~ s{/$}{};
+		return $u.beautify_urlpath("/".$to);
+	}
+
 	my $link = abs2rel($to, dirname(htmlpage($from)));
 
 	return beautify_urlpath($link);
 }
 
 sub isselflink ($$) {
+	# Plugins can override this function to support special types
+	# of selflinks.
 	my $page=shift;
 	my $link=shift;
 
-        return $page eq $link;
+	return $page eq $link;
 }
 
 sub htmllink ($$$;@) {
@@ -1162,7 +1274,7 @@ sub userpage ($) {
 sub openiduser ($) {
 	my $user=shift;
 
-	if ($user =~ m!^https?://! &&
+	if (defined $user && $user =~ m!^https?://! &&
 	    eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
 		my $display;
 
@@ -1280,10 +1392,14 @@ sub preprocess ($$$;$$) {
 				|
 					"([^"]*?)"	# 3: single-quoted value
 				|
-					(\S+)		# 4: unquoted value
+					'''(.*?)'''     # 4: triple-single-quote
+				|
+					<<(?<start>[a-zA-Z]+)\n(?<heredoc>.*?)\n\k<start> # 5, 6: heredoc'd value.
+				|
+					(\S+)		# 7: unquoted value
 				)
 				(?:\s+|$)		# delimiter to next param
-			}sgx) {
+			}msgx) {
 				my $key=$1;
 				my $val;
 				if (defined $2) {
@@ -1298,6 +1414,12 @@ sub preprocess ($$$;$$) {
 				elsif (defined $4) {
 					$val=$4;
 				}
+				elsif (defined $7) {
+					$val=$7;
+				}
+				elsif (defined $+{heredoc}) {
+					$val=$+{heredoc};
+				}
 
 				if (defined $key) {
 					push @params, $key, $val;
@@ -1366,6 +1488,10 @@ sub preprocess ($$$;$$) {
 						|
 						"[^"]*?"	# single-quoted value
 						|
+						<<(?<start>[a-zA-Z]+)\n(?<heredoc>.*?)\n\k<start> # heredoc'd value.
+						|
+						'''.*?''' # triple-single-quoted value
+						|
 						[^"\s\]]+	# unquoted value
 					)
 					\s*			# whitespace or end
@@ -1389,6 +1515,10 @@ sub preprocess ($$$;$$) {
 						|
 						"[^"]*?"	# single-quoted value
 						|
+						'''.*?'''       # triple-single-quoted value
+						|
+						<<(?<start>[a-zA-Z]+)\n(?<heredoc>.*?)\n\k<start> # heredoc'd value.
+						|
 						[^"\s\]]+	# unquoted value
 					)
 					\s*			# whitespace or end
@@ -1480,6 +1610,69 @@ sub check_content (@) {
 	return defined $ok ? $ok : 1;
 }
 
+sub check_canchange (@) {
+	my %params = @_;
+	my $cgi = $params{cgi};
+	my $session = $params{session};
+	my @changes = @{$params{changes}};
+
+	my %newfiles;
+	foreach my $change (@changes) {
+		# This untaint is safe because we check file_pruned and
+		# wiki_file_regexp.
+		my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
+		$file=possibly_foolish_untaint($file);
+		if (! defined $file || ! length $file ||
+		    file_pruned($file)) {
+			error(gettext("bad file name %s"), $file);
+		}
+
+		my $type=pagetype($file);
+		my $page=pagename($file) if defined $type;
+
+		if ($change->{action} eq 'add') {
+			$newfiles{$file}=1;
+		}
+
+		if ($change->{action} eq 'change' ||
+		    $change->{action} eq 'add') {
+			if (defined $page) {
+				check_canedit($page, $cgi, $session);
+				next;
+			}
+			else {
+				if (IkiWiki::Plugin::attachment->can("check_canattach")) {
+					IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path});
+					check_canedit($file, $cgi, $session);
+					next;
+				}
+			}
+		}
+		elsif ($change->{action} eq 'remove') {
+			# check_canremove tests to see if the file is present
+			# on disk. This will fail when a single commit adds a
+			# file and then removes it again. Avoid the problem
+			# by not testing the removal in such pairs of changes.
+			# (The add is still tested, just to make sure that
+			# no data is added to the repo that a web edit
+			# could not add.)
+			next if $newfiles{$file};
+
+			if (IkiWiki::Plugin::remove->can("check_canremove")) {
+				IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session);
+				check_canedit(defined $page ? $page : $file, $cgi, $session);
+				next;
+			}
+		}
+		else {
+			error "unknown action ".$change->{action};
+		}
+
+		error sprintf(gettext("you are not allowed to change %s"), $file);
+	}
+}
+
+
 my $wikilock;
 
 sub lockwiki () {
@@ -1557,6 +1750,12 @@ sub loadindex () {
 	if (exists $index->{version} && ! ref $index->{version}) {
 		$pages=$index->{page};
 		%wikistate=%{$index->{state}};
+		# Handle plugins that got disabled by loading a new setup.
+		if (exists $config{setupfile}) {
+			require IkiWiki::Setup;
+			IkiWiki::Setup::disabled_plugins(
+				grep { ! $loaded_plugins{$_} } keys %wikistate);
+		}
 	}
 	else {
 		$pages=$index;
@@ -1624,11 +1823,7 @@ sub loadindex () {
 sub saveindex () {
 	run_hooks(savestate => sub { shift->() });
 
-	my %hookids;
-	foreach my $type (keys %hooks) {
-		$hookids{$_}=1 foreach keys %{$hooks{$type}};
-	}
-	my @hookids=keys %hookids;
+	my @plugins=keys %loaded_plugins;
 
 	if (! -d $config{wikistatedir}) {
 		mkdir($config{wikistatedir});
@@ -1662,7 +1857,7 @@ sub saveindex () {
 		}
 
 		if (exists $pagestate{$page}) {
-			foreach my $id (@hookids) {
+			foreach my $id (@plugins) {
 				foreach my $key (keys %{$pagestate{$page}{$id}}) {
 					$index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key};
 				}
@@ -1671,7 +1866,8 @@ sub saveindex () {
 	}
 
 	$index{state}={};
-	foreach my $id (@hookids) {
+	foreach my $id (@plugins) {
+		$index{state}{$id}={}; # used to detect disabled plugins
 		foreach my $key (keys %{$wikistate{$id}}) {
 			$index{state}{$id}{$key}=$wikistate{$id}{$key};
 		}
@@ -1691,12 +1887,15 @@ sub template_file ($) {
 	my $name=shift;
 	
 	my $tpage=($name =~ s/^\///) ? $name : "templates/$name";
+	my $template;
 	if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {
-		$tpage=$pagesources{$tpage};
+		$template=srcfile($pagesources{$tpage}, 1);
 		$name.=".tmpl";
 	}
+	else {
+		$template=srcfile($tpage, 1);
+	}
 
-	my $template=srcfile($tpage, 1);
 	if (defined $template) {
 		return $template, $tpage, 1 if wantarray;
 		return $template;
@@ -1724,12 +1923,14 @@ sub template_depends ($$;@) {
 	my $page=shift;
 	
 	my ($filename, $tpage, $untrusted)=template_file($name);
+	if (! defined $filename) {
+		error(sprintf(gettext("template %s not found"), $name))
+	}
+
 	if (defined $page && defined $tpage) {
 		add_depends($page, $tpage);
 	}
-
-	return unless defined $filename;
-
+	
 	my @opts=(
 		filter => sub {
 			my $text_ref = shift;
@@ -1737,6 +1938,7 @@ sub template_depends ($$;@) {
 		},
 		loop_context_vars => 1,
 		die_on_bad_params => 0,
+		parent_global_vars => 1,
 		filename => $filename,
 		@_,
 		($untrusted ? (no_includes => 1) : ()),
@@ -1751,39 +1953,6 @@ sub template ($;@) {
 	template_depends(shift, undef, @_);
 }
 
-sub misctemplate ($$;@) {
-	my $title=shift;
-	my $content=shift;
-	my %params=@_;
-	
-	my $template=template("page.tmpl");
-
-	my $page="";
-	if (exists $params{page}) {
-		$page=delete $params{page};
-	}
-	run_hooks(pagetemplate => sub {
-		shift->(
-			page => $page,
-			destpage => $page,
-			template => $template,
-		);
-	});
-	templateactions($template, "");
-
-	$template->param(
-		dynamic => 1,
-		title => $title,
-		wikiname => $config{wikiname},
-		content => $content,
-		baseurl => baseurl(),
-		html5 => $config{html5},
-		%params,
-	);
-	
-	return $template->output;
-}
-
 sub templateactions ($$) {
 	my $template=shift;
 	my $page=shift;
@@ -1878,7 +2047,7 @@ sub rcs_recentchanges ($) {
 	$hooks{rcs}{rcs_recentchanges}{call}->(@_);
 }
 
-sub rcs_diff ($) {
+sub rcs_diff ($;$) {
 	$hooks{rcs}{rcs_diff}{call}->(@_);
 }
 
@@ -2278,7 +2447,7 @@ sub glob2re ($) {
 	my $re=quotemeta(shift);
 	$re=~s/\\\*/.*/g;
 	$re=~s/\\\?/./g;
-	return $re;
+	return qr/^$re$/i;
 }
 
 package IkiWiki::FailReason;
@@ -2357,15 +2526,23 @@ sub derel ($$) {
 	my $path=shift;
 	my $from=shift;
 
-	if ($path =~ m!^\./!) {
-		$from=~s#/?[^/]+$## if defined $from;
-		$path=~s#^\./##;
-		$path="$from/$path" if defined $from && length $from;
+	if ($path =~ m!^\.(/|$)!) {
+		if ($1) {
+			$from=~s#/?[^/]+$## if defined $from;
+			$path=~s#^\./##;
+			$path="$from/$path" if defined $from && length $from;
+		}
+		else {
+			$path = $from;
+			$path = "" unless defined $path;
+		}
 	}
 
 	return $path;
 }
 
+my %glob_cache;
+
 sub match_glob ($$;@) {
 	my $page=shift;
 	my $glob=shift;
@@ -2373,8 +2550,13 @@ sub match_glob ($$;@) {
 	
 	$glob=derel($glob, $params{location});
 
-	my $regexp=IkiWiki::glob2re($glob);
-	if ($page=~/^$regexp$/i) {
+	# Instead of converting the glob to a regex every time,
+	# cache the compiled regex to save time.
+	my $re=$glob_cache{$glob};
+	unless (defined $re) {
+		$glob_cache{$glob} = $re = IkiWiki::glob2re($glob);
+	}
+	if ($page =~ $re) {
 		if (! IkiWiki::isinternal($page) || $params{internal}) {
 			return IkiWiki::SuccessReason->new("$glob matches $page");
 		}
@@ -2394,13 +2576,16 @@ sub match_internal ($$;@) {
 sub match_page ($$;@) {
 	my $page=shift;
 	my $match=match_glob($page, shift, @_);
-	if ($match && ! (exists $IkiWiki::pagesources{$page}
-	    && defined IkiWiki::pagetype($IkiWiki::pagesources{$page}))) {
-		return IkiWiki::FailReason->new("$page is not a page");
-	}
-	else {
-		return $match;
+	if ($match) {
+		my $source=exists $IkiWiki::pagesources{$page} ?
+			$IkiWiki::pagesources{$page} :
+			$IkiWiki::delpagesources{$page};
+		my $type=defined $source ? IkiWiki::pagetype($source) : undef;
+		if (! defined $type) {	
+			return IkiWiki::FailReason->new("$page is not a page");
+		}
 	}
+	return $match;
 }
 
 sub match_link ($$;@) {
@@ -2489,7 +2674,12 @@ sub match_created_after ($$;@) {
 }
 
 sub match_creation_day ($$;@) {
-	if ((localtime($IkiWiki::pagectime{shift()}))[3] == shift) {
+	my $page=shift;
+	my $d=shift;
+	if ($d !~ /^\d+$/) {
+		return IkiWiki::ErrorReason->new("invalid day $d");
+	}
+	if ((localtime($IkiWiki::pagectime{$page}))[3] == $d) {
 		return IkiWiki::SuccessReason->new('creation_day matched');
 	}
 	else {
@@ -2498,7 +2688,12 @@ sub match_creation_day ($$;@) {
 }
 
 sub match_creation_month ($$;@) {
-	if ((localtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
+	my $page=shift;
+	my $m=shift;
+	if ($m !~ /^\d+$/) {
+		return IkiWiki::ErrorReason->new("invalid month $m");
+	}
+	if ((localtime($IkiWiki::pagectime{$page}))[4] + 1 == $m) {
 		return IkiWiki::SuccessReason->new('creation_month matched');
 	}
 	else {
@@ -2507,7 +2702,12 @@ sub match_creation_month ($$;@) {
 }
 
 sub match_creation_year ($$;@) {
-	if ((localtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
+	my $page=shift;
+	my $y=shift;
+	if ($y !~ /^\d+$/) {
+		return IkiWiki::ErrorReason->new("invalid year $y");
+	}
+	if ((localtime($IkiWiki::pagectime{$page}))[5] + 1900 == $y) {
 		return IkiWiki::SuccessReason->new('creation_year matched');
 	}
 	else {
@@ -2526,7 +2726,7 @@ sub match_user ($$;@) {
 		return IkiWiki::ErrorReason->new("no user specified");
 	}
 
-	if (defined $params{user} && $params{user}=~/^$regexp$/i) {
+	if (defined $params{user} && $params{user}=~$regexp) {
 		return IkiWiki::SuccessReason->new("user is $user");
 	}
 	elsif (! defined $params{user}) {