X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/5f162cfd344f6b75fa39a57be4b3d488cadd1535..10b8557946c7a5e4ef2210ac448365ffc6174f81:/IkiWiki/CGI.pm?ds=sidebyside

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index a8e610e2d..cd6ddc034 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -89,7 +89,9 @@ sub cgi_recentchanges ($) { #{{{
 		delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
 		$change->{pages} = [
 			map {
-				$_->{link} = htmllink("", "", $_->{page}, 1, 0, pagetitle($_->{page}));
+				$_->{link} = htmllink("", "", $_->{page},
+					noimageinline => 1,
+					linktext => pagetitle($_->{page}));
 				$_;
 			} @{$change->{pages}}
 		];
@@ -178,13 +180,20 @@ sub cgi_signin ($$) { #{{{
 sub cgi_postsignin ($$) { #{{{
 	my $q=shift;
 	my $session=shift;
-
+	
 	# Continue with whatever was being done before the signin process.
-	my $postsignin=CGI->new($session->param("postsignin"));
-	$session->clear("postsignin");
-	cgi($postsignin, $session);
-	cgi_savesession($session);
-	exit;
+	if (defined $session->param("postsignin")) {
+		my $postsignin=CGI->new($session->param("postsignin"));
+		$session->clear("postsignin");
+		cgi($postsignin, $session);
+		cgi_savesession($session);
+		exit;
+	}
+	else {
+		# This can occur, for example, if a user went to the signin
+		# url via a bookmark.
+		redirect($q, $config{url});
+	}
 } #}}}
 
 sub cgi_prefs ($$) { #{{{
@@ -219,7 +228,7 @@ sub cgi_prefs ($$) { #{{{
 	$form->field(name => "do", type => "hidden");
 	$form->field(name => "email", size => 50);
 	$form->field(name => "subscriptions", size => 50,
-		comment => "(".htmllink("", "", "PageSpec", 1).")");
+		comment => "(".htmllink("", "", "PageSpec", noimageinline => 1).")");
 	$form->field(name => "banned_users", size => 50);
 	
 	my $user_name=$session->param("name");
@@ -252,12 +261,15 @@ sub cgi_prefs ($$) { #{{{
 	elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
 		foreach my $field (qw(email subscriptions)) {
 			if (defined $form->field($field) && length $form->field($field)) {
-				userinfo_set($user_name, $field, $form->field($field)) || error("failed to set $field");
+				userinfo_set($user_name, $field, $form->field($field)) ||
+					error("failed to set $field");
 			}
 		}
 		if (is_admin($user_name)) {
 			set_banned_users(grep { ! is_admin($_) }
-					split(' ', $form->field("banned_users")));
+					split(' ',
+						$form->field("banned_users"))) ||
+				error("failed saving changes");
 		}
 		$form->text(gettext("Preferences saved."));
 	}
@@ -278,7 +290,8 @@ sub cgi_editpage ($$) { #{{{
 	my $q=shift;
 	my $session=shift;
 
-	my @fields=qw(do rcsinfo subpage from page type editcontent comments);
+	my @fields=qw(do rcsinfo subpage from page type editcontent comments
+	              newfile);
 	my @buttons=("Save Page", "Preview", "Cancel");
 	
 	eval q{use CGI::FormBuilder};
@@ -323,6 +336,9 @@ sub cgi_editpage ($$) { #{{{
 	if (exists $pagesources{$page}) {
 		$file=$pagesources{$page};
 		$type=pagetype($file);
+		if (! defined $type) {
+			error(sprintf(gettext("%s is not an editable page"), $page));
+		}
 	}
 	else {
 		$type=$form->param('type');
@@ -337,10 +353,6 @@ sub cgi_editpage ($$) { #{{{
 		$file=$page.".".$type;
 	}
 
-	my $newfile=0;
-	if (! -e "$config{srcdir}/$file") {
-		$newfile=1;
-	}
 
 	$form->field(name => "do", type => 'hidden');
 	$form->field(name => "from", type => 'hidden');
@@ -351,21 +363,25 @@ sub cgi_editpage ($$) { #{{{
 	$form->field(name => "comments", type => "text", size => 80);
 	$form->field(name => "editcontent", type => "textarea", rows => 20,
 		cols => 80);
+	$form->field(name => "newfile", type => 'hidden');
 	$form->tmpl_param("can_commit", $config{rcs});
 	$form->tmpl_param("indexlink", indexlink());
 	$form->tmpl_param("helponformattinglink",
-		htmllink("", "", "HelpOnFormatting", 1));
+		htmllink("", "", "HelpOnFormatting", noimageinline => 1));
 	$form->tmpl_param("baseurl", baseurl());
 	if (! $form->submitted) {
 		$form->field(name => "rcsinfo", value => rcs_prepedit($file),
 			force => 1);
+		$form->field(name => "newfile", 
+			value => ! -e "$config{srcdir}/$file",
+			force => 1);
 	}
 	
 	if ($form->submitted eq "Cancel") {
-		if ($newfile && defined $from) {
+		if ($form->field(name => "newfile") && defined $from) {
 			redirect($q, "$config{url}/".htmlpage($from));
 		}
-		elsif ($newfile) {
+		elsif ($form->field(name => "newfile")) {
 			redirect($q, $config{url});
 		}
 		else {
@@ -451,7 +467,8 @@ sub cgi_editpage ($$) { #{{{
 			
 			$form->tmpl_param("page_select", 1);
 			$form->field(name => "page", type => 'select',
-				options => \@editable_locs, value => $best_loc);
+				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)));
@@ -479,13 +496,40 @@ sub cgi_editpage ($$) { #{{{
 	else {
 		# save page
 		check_canedit($page, $q, $session);
+		if (! -e "$config{srcdir}/$file" && ! $form->field(name => 'newfile')){
+			$form->tmpl_param("page_gone", 1);
+			$form->field(name => "newfile",
+			             value => 1, force => 1);
+			$form->tmpl_param("page_select", 0);
+			$form->field(name => "page", type => 'hidden');
+			$form->field(name => "type", type => 'hidden');
+			print $form->render(submit => \@buttons);
+			return;
+		}
 		
 		my $content=$form->field('editcontent');
 
 		$content=~s/\r\n/\n/g;
 		$content=~s/\r/\n/g;
-		writefile($file, $config{srcdir}, $content);
+
+		$config{cgi}=0; # avoid cgi error message
+		eval { writefile($file, $config{srcdir}, $content) };
+		$config{cgi}=1;
+		if ($@) {
+			$form->field(name => "rcsinfo", value => rcs_prepedit($file),
+				force => 1);
+			$form->tmpl_param("failed_save", 1);
+			$form->tmpl_param("error_message", $@);
+			$form->field("editcontent", value => $content, force => 1);
+			$form->tmpl_param("page_select", 0);
+			$form->field(name => "page", type => 'hidden');
+			$form->field(name => "type", type => 'hidden');
+			$form->title(sprintf(gettext("editing %s"), $page));
+			print $form->render(submit => \@buttons);
+			return;
+		}
 		
+		my $conflict;
 		if ($config{rcs}) {
 			my $message="";
 			if (defined $form->field('comments') &&
@@ -493,47 +537,46 @@ sub cgi_editpage ($$) { #{{{
 				$message=$form->field('comments');
 			}
 			
-			if ($newfile) {
+			if ($form->field(name => "newfile")) {
 				rcs_add($file);
 			}
-			# prevent deadlock with post-commit hook
-			unlockwiki();
-			# presumably the commit will trigger an update
-			# of the wiki
-			my $conflict=rcs_commit($file, $message,
+
+			# Prevent deadlock with post-commit hook by
+			# signaling to it that it should not try to
+			# do anything (except send commit mails).
+			disable_commit_hook();
+			$conflict=rcs_commit($file, $message,
 				$form->field("rcsinfo"),
 				$session->param("name"), $ENV{REMOTE_ADDR});
+			enable_commit_hook();
+			rcs_update();
+		}
 		
-			if (defined $conflict) {
-				$form->field(name => "rcsinfo", value => rcs_prepedit($file),
-					force => 1);
-				$form->tmpl_param("page_conflict", 1);
-				$form->field("editcontent", value => $conflict, force => 1);
-				$form->field(name => "comments", value => $form->field('comments'), force => 1);
-				$form->field("do", "edit)");
-				$form->tmpl_param("page_select", 0);
-				$form->field(name => "page", type => 'hidden');
-				$form->field(name => "type", type => 'hidden');
-				$form->title(sprintf(gettext("editing %s"), $page));
-				print $form->render(submit => \@buttons);
-				return;
-			}
-			else {
-				# Make sure that the repo is up-to-date;
-				# locking prevents the post-commit hook
-				# from updating it.
-				rcs_update();
-			}
+		# Refresh even if there was a conflict, since other changes
+		# may have been committed while the post-commit hook was
+		# disabled.
+		require IkiWiki::Render;
+		refresh();
+		saveindex();
+
+		if (defined $conflict) {
+			$form->field(name => "rcsinfo", value => rcs_prepedit($file),
+				force => 1);
+			$form->tmpl_param("page_conflict", 1);
+			$form->field("editcontent", value => $conflict, force => 1);
+			$form->field("do", "edit", force => 1);
+			$form->tmpl_param("page_select", 0);
+			$form->field(name => "page", type => 'hidden');
+			$form->field(name => "type", type => 'hidden');
+			$form->title(sprintf(gettext("editing %s"), $page));
+			print $form->render(submit => \@buttons);
+			return;
 		}
 		else {
-			require IkiWiki::Render;
-			refresh();
-			saveindex();
+			# The trailing question mark tries to avoid broken
+			# caches and get the most recent version of the page.
+			redirect($q, "$config{url}/".htmlpage($page)."?updated");
 		}
-		
-		# The trailing question mark tries to avoid broken
-		# caches and get the most recent version of the page.
-		redirect($q, "$config{url}/".htmlpage($page)."?updated");
 	}
 } #}}}
 
@@ -613,7 +656,7 @@ sub cgi (;$$) { #{{{
 					email => "",
 					password => "",
 					regdate => time,
-				});
+				}) || error("failed adding user");
 			}
 		}
 	}
@@ -685,7 +728,7 @@ sub userlink ($) { #{{{
 	else {
 		return htmllink("", "", escapeHTML(
 			length $config{userdir} ? $config{userdir}."/".$user : $user
-		), 1);
+		), noimageinline => 1);
 	}
 } #}}}