X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/b66f9a1981094bc2159a228dfaefc5c2e01ee68a..194417a3ca02aef4980c72c61d87597946fdd0e3:/IkiWiki/CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 015c9ae01..cf72bfdb9 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -1,5 +1,7 @@
 #!/usr/bin/perl
 
+package IkiWiki;
+
 use warnings;
 use strict;
 use IkiWiki;
@@ -7,8 +9,6 @@ use IkiWiki::UserInfo;
 use open qw{:utf8 :std};
 use Encode;
 
-package IkiWiki;
-
 sub printheader ($) { #{{{
 	my $session=shift;
 	
@@ -18,7 +18,6 @@ sub printheader ($) { #{{{
 	} else {
 		print $session->header(-charset => 'utf-8');
 	}
-
 } #}}}
 
 sub showform ($$$$;@) { #{{{
@@ -227,20 +226,27 @@ sub cgi_prefs ($$) { #{{{
 	$form->field(name => "sid", type => "hidden", value => $session->id,
 		force => 1);
 	$form->field(name => "email", size => 50, fieldset => "preferences");
-	$form->field(name => "banned_users", size => 50,
-		fieldset => "admin");
 	
 	my $user_name=$session->param("name");
+
+	# XXX deprecated, should be removed eventually
+	$form->field(name => "banned_users", size => 50, fieldset => "admin");
 	if (! is_admin($user_name)) {
 		$form->field(name => "banned_users", type => "hidden");
 	}
-
 	if (! $form->submitted) {
 		$form->field(name => "email", force => 1,
 			value => userinfo_get($user_name, "email"));
 		if (is_admin($user_name)) {
-			$form->field(name => "banned_users", force => 1,
-				value => join(" ", get_banned_users()));
+			my $value=join(" ", get_banned_users());
+			if (length $value) {
+				$form->field(name => "banned_users", force => 1,
+					value => join(" ", get_banned_users()),
+					comment => "deprecated; please move to banned_users in setup file");
+			}
+			else {
+				$form->field(name => "banned_users", type => "hidden");
+			}
 		}
 	}
 	
@@ -258,12 +264,18 @@ sub cgi_prefs ($$) { #{{{
 			userinfo_set($user_name, 'email', $form->field('email')) ||
 				error("failed to set email");
 		}
+
+		# XXX deprecated, should be removed eventually
 		if (is_admin($user_name)) {
 			set_banned_users(grep { ! is_admin($_) }
 					split(' ',
 						$form->field("banned_users"))) ||
 				error("failed saving changes");
+			if (! length $form->field("banned_users")) {
+				$form->field(name => "banned_users", type => "hidden");
+			}
 		}
+
 		$form->text(gettext("Preferences saved."));
 	}
 	
@@ -281,7 +293,6 @@ sub cgi_editpage ($$) { #{{{
 	eval q{use CGI::FormBuilder};
 	error($@) if $@;
 	my $form = CGI::FormBuilder->new(
-		title => "editpage",
 		fields => \@fields,
 		charset => "utf-8",
 		method => 'POST',
@@ -302,12 +313,12 @@ sub cgi_editpage ($$) { #{{{
 	});
 	decode_form_utf8($form);
 	
-	# This untaint is safe because titlepage removes any problematic
-	# characters.
-	my ($page)=$form->field('page');
-	$page=titlepage(possibly_foolish_untaint($page));
+	# This untaint is safe because we check file_pruned.
+	my $page=$form->field('page');
+	$page=possibly_foolish_untaint($page);
+	my $absolute=($page =~ s#^/+##);
 	if (! defined $page || ! length $page ||
-	    file_pruned($page, $config{srcdir}) || $page=~/^\//) {
+	    file_pruned($page, $config{srcdir})) {
 		error("bad page name");
 	}
 
@@ -355,7 +366,7 @@ sub cgi_editpage ($$) { #{{{
 	$form->field(name => "from", type => 'hidden');
 	$form->field(name => "rcsinfo", type => 'hidden');
 	$form->field(name => "subpage", type => 'hidden');
-	$form->field(name => "page", value => pagetitle($page, 1), force => 1);
+	$form->field(name => "page", value => $page, force => 1);
 	$form->field(name => "type", value => $type, force => 1);
 	$form->field(name => "comments", type => "text", size => 80);
 	$form->field(name => "editcontent", type => "textarea", rows => 20,
@@ -417,7 +428,6 @@ sub cgi_editpage ($$) { #{{{
 	elsif ($form->submitted eq "Save Page") {
 		$form->tmpl_param("page_preview", "");
 	}
-	$form->tmpl_param("page_conflict", "");
 	
 	if ($form->submitted ne "Save Page" || ! $form->validate) {
 		if ($form->field("do") eq "create") {
@@ -426,7 +436,8 @@ sub cgi_editpage ($$) { #{{{
 			if (! defined $from || ! length $from ||
 			    $from ne $form->field('from') ||
 			    file_pruned($from, $config{srcdir}) ||
-			    $from=~/^\// ||
+			    $from=~/^\// || 
+			    $absolute ||
 			    $form->submitted eq "Preview") {
 				@page_locs=$best_loc=$page;
 			}
@@ -487,8 +498,8 @@ sub cgi_editpage ($$) { #{{{
 			
 			$form->tmpl_param("page_select", 1);
 			$form->field(name => "page", type => 'select',
-				options => [ map { pagetitle($_, 1) } @editable_locs ],
-				value => pagetitle($best_loc, 1));
+				options => [ map { [ $_, pagetitle($_, 1) ] } @editable_locs ],
+				value => $best_loc);
 			$form->field(name => "type", type => 'select',
 				options => \@page_types);
 			$form->title(sprintf(gettext("creating %s"), pagetitle($page)));
@@ -532,7 +543,7 @@ sub cgi_editpage ($$) { #{{{
 
 		if ($form->field("do") ne "create" && ! $exists &&
 		    ! defined srcfile($file, 1)) {
-			$form->tmpl_param("page_gone", 1);
+			$form->tmpl_param("message", template("editpagegone.tmpl")->output);
 			$form->field(name => "do", value => "create", force => 1);
 			$form->tmpl_param("page_select", 0);
 			$form->field(name => "page", type => 'hidden');
@@ -542,7 +553,7 @@ sub cgi_editpage ($$) { #{{{
 			return;
 		}
 		elsif ($form->field("do") eq "create" && $exists) {
-			$form->tmpl_param("creation_conflict", 1);
+			$form->tmpl_param("message", template("editcreationconflict.tmpl")->output);
 			$form->field(name => "do", value => "edit", force => 1);
 			$form->tmpl_param("page_select", 0);
 			$form->field(name => "page", type => 'hidden');
@@ -575,8 +586,9 @@ sub cgi_editpage ($$) { #{{{
 		if ($@) {
 			$form->field(name => "rcsinfo", value => rcs_prepedit($file),
 				force => 1);
-			$form->tmpl_param("failed_save", 1);
-			$form->tmpl_param("error_message", $@);
+			my $mtemplate=template("editfailedsave.tmpl");
+			$mtemplate->param(error_message => $@);
+			$form->tmpl_param("message", $mtemplate->output);
 			$form->field("editcontent", value => $content, force => 1);
 			$form->tmpl_param("page_select", 0);
 			$form->field(name => "page", type => 'hidden');
@@ -620,7 +632,7 @@ sub cgi_editpage ($$) { #{{{
 		if (defined $conflict) {
 			$form->field(name => "rcsinfo", value => rcs_prepedit($file),
 				force => 1);
-			$form->tmpl_param("page_conflict", 1);
+			$form->tmpl_param("message", template("editconflict.tmpl")->output);
 			$form->field("editcontent", value => $conflict, force => 1);
 			$form->field("do", "edit", force => 1);
 			$form->tmpl_param("page_select", 0);
@@ -638,6 +650,25 @@ sub cgi_editpage ($$) { #{{{
 		}
 	}
 } #}}}
+	
+sub check_banned ($$) { #{{{
+	my $q=shift;
+	my $session=shift;
+
+	my $name=$session->param("name");
+	if (defined $name) {
+		# XXX banned in userinfo is deprecated, should be removed
+		# eventually, and only banned_users be checked.
+		if (userinfo_get($session->param("name"), "banned") ||
+		    grep { $name eq $_ } @{$config{banned_users}}) {
+			print $q->header(-status => "403 Forbidden");
+			$session->delete();
+			print gettext("You are banned.");
+			cgi_savesession($session);
+			exit;
+		}
+	}
+}
 
 sub cgi_getsession ($) { #{{{
 	my $q=shift;
@@ -647,8 +678,14 @@ sub cgi_getsession ($) { #{{{
 	CGI::Session->name("ikiwiki_session_".encode_utf8($config{wikiname}));
 	
 	my $oldmask=umask(077);
-	my $session = CGI::Session->new("driver:DB_File", $q,
-		{ FileName => "$config{wikistatedir}/sessions.db" });
+	my $session = eval {
+		CGI::Session->new("driver:DB_File", $q,
+			{ FileName => "$config{wikistatedir}/sessions.db" })
+	};
+	if (! $session || $@) {
+		error($@." ".CGI::Session->errstr());
+	}
+	
 	umask($oldmask);
 
 	return $session;
@@ -667,10 +704,11 @@ sub cgi (;$$) { #{{{
 	my $q=shift;
 	my $session=shift;
 
+	eval q{use CGI};
+	error($@) if $@;
+	$CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
+
 	if (! $q) {
-		eval q{use CGI};
-		error($@) if $@;
-	
 		binmode(STDIN);
 		$q=CGI->new;
 		binmode(STDIN, ":utf8");
@@ -715,14 +753,8 @@ sub cgi (;$$) { #{{{
 		}
 	}
 	
-	if (defined $session->param("name") &&
-	    userinfo_get($session->param("name"), "banned")) {
-		print $q->header(-status => "403 Forbidden");
-		$session->delete();
-		print gettext("You are banned.");
-		cgi_savesession($session);
-	}
-
+	check_banned($q, $session);
+	
 	run_hooks(sessioncgi => sub { shift->($q, $session) });
 
 	if ($do eq 'signin') {
@@ -743,4 +775,14 @@ sub cgi (;$$) { #{{{
 	}
 } #}}}
 
+# Does not need tobe called directly; all errors will go through here.
+sub cgierror ($) { #{{{
+	my $message=shift;
+
+	print "Content-type: text/html\n\n";
+	print misctemplate(gettext("Error"),
+		"<p class=\"error\">".gettext("Error").": $message</p>");
+	die $@;
+} #}}}
+
 1