X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/9f401d6617a11efcedda1c956b2ccea061a7540f..7a88638c6c47480817fdac02d0a45f1dd56b6d1d:/IkiWiki/CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index f2a32a958..68226725b 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -12,7 +12,7 @@ use Encode;
 sub printheader ($) {
 	my $session=shift;
 	
-	if ($config{sslcookie}) {
+	if ($ENV{HTTPS} || $config{sslcookie}) {
 		print $session->header(-charset => 'utf-8',
 			-cookie => $session->cookie(-httponly => 1, -secure => 1));
 	}
@@ -49,10 +49,36 @@ sub showform ($$$$;@) {
 	print misctemplate($form->title, $form->render(submit => $buttons), @_);
 }
 
+# Like showform, but the base url will be set to allow edit previews
+# that use links relative to the specified page.
+sub showform_preview ($$$$;@) {
+	my $form=shift;
+	my $buttons=shift;
+	my $session=shift;
+	my $cgi=shift;
+	my %params=@_;
+
+	# The base url needs to be a full URL, and urlto may return a path.
+	my $baseurl = absurl(urlto($params{page}), $cgi->url);
+
+	showform($form, $buttons, $session, $cgi, @_,
+		forcebaseurl => $baseurl);
+}
+
+# Forces a partial url (path only) to absolute, using the same
+# URL scheme as the CGI. Full URLs are left unchanged.
+sub absurl ($$) {
+	my $partialurl=shift;
+	my $q=shift;
+
+	eval q{use URI};
+	return URI->new_abs($partialurl, $q->url);
+}
+
 sub redirect ($$) {
 	my $q=shift;
 	eval q{use URI};
-	my $url=URI->new(shift);
+	my $url=URI->new(absurl(shift, $q));
 	if (! $config{w3mmode}) {
 		print $q->redirect($url);
 	}
@@ -116,7 +142,7 @@ sub cgi_signin ($$;$) {
 		required => 'NONE',
 		javascript => 0,
 		params => $q,
-		action => $config{cgiurl},
+		action => cgiurl(),
 		header => 0,
 		template => {type => 'div'},
 		stylesheet => 1,
@@ -198,7 +224,7 @@ sub cgi_prefs ($$) {
 		required => 'NONE',
 		javascript => 0,
 		params => $q,
-		action => $config{cgiurl},
+		action => cgiurl(),
 		template => {type => 'div'},
 		stylesheet => 1,
 		fieldsets => [
@@ -231,11 +257,11 @@ sub cgi_prefs ($$) {
 	
 	if ($form->submitted eq 'Logout') {
 		$session->delete();
-		redirect($q, $config{url});
+		redirect($q, baseurl(undef));
 		return;
 	}
 	elsif ($form->submitted eq 'Cancel') {
-		redirect($q, $config{url});
+		redirect($q, baseurl(undef));
 		return;
 	}
 	elsif ($form->submitted eq 'Save Preferences' && $form->validate) {