X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/c30f0dda9f63120405b3188aba167a61ec99216d..8c9c3915ecaf9cce4d0335f2b3c588d7f96d2b36:/IkiWiki/CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index bb26add9a..df5179834 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -12,16 +12,17 @@ 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));
-	} else {
+	}
+	else {
 		print $session->header(-charset => 'utf-8',
 			-cookie => $session->cookie(-httponly => 1));
 	}
 }
 
-sub showform ($$$$;@) {
+sub prepform {
 	my $form=shift;
 	my $buttons=shift;
 	my $session=shift;
@@ -34,10 +35,38 @@ sub showform ($$$$;@) {
 		});
 	}
 
+	return $form;
+}
+
+sub showform ($$$$;@) {
+	my $form=prepform(@_);
+	shift;
+	my $buttons=shift;
+	my $session=shift;
+	my $cgi=shift;
+
 	printheader($session);
 	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 ($$$$;@) {
+	my $form=shift;
+	my $buttons=shift;
+	my $session=shift;
+	my $cgi=shift;
+	my %params=@_;
+
+	eval q{use URI};
+	# The base url needs to be a full URL. If urlto returns relative,
+	# force it absolute, using the same URL scheme used for the cgi.
+	my $baseurl = URI->new_abs(urlto($params{page}), $cgi->url);
+
+	showform($form, $buttons, $session, $cgi, @_,
+		forcebaseurl => $baseurl);
+}
+
 sub redirect ($$) {
 	my $q=shift;
 	eval q{use URI};
@@ -89,9 +118,10 @@ sub needsignin ($$) {
 	}
 }
 
-sub cgi_signin ($$) {
+sub cgi_signin ($$;$) {
 	my $q=shift;
 	my $session=shift;
+	my $returnhtml=shift;
 
 	decode_cgi_utf8($q);
 	eval q{use CGI::FormBuilder};
@@ -104,16 +134,13 @@ sub cgi_signin ($$) {
 		required => 'NONE',
 		javascript => 0,
 		params => $q,
-		action => $config{cgiurl},
+		action => cgiurl(),
 		header => 0,
 		template => {type => 'div'},
-		stylesheet => baseurl()."style.css",
+		stylesheet => 1,
 	);
 	my $buttons=["Login"];
 	
-	if ($q->param("do") ne "signin" && !$form->submitted) {
-		$form->text(gettext("You need to log in first."));
-	}
 	$form->field(name => "do", type => "hidden", value => "signin",
 		force => 1);
 	
@@ -128,6 +155,11 @@ sub cgi_signin ($$) {
 		$form->validate;
 	}
 
+	if ($returnhtml) {
+		$form=prepform($form, $buttons, $session, $q);
+		return $form->render(submit => $buttons);
+	}
+
 	showform($form, $buttons, $session, $q);
 }
 
@@ -184,9 +216,9 @@ sub cgi_prefs ($$) {
 		required => 'NONE',
 		javascript => 0,
 		params => $q,
-		action => $config{cgiurl},
+		action => cgiurl(),
 		template => {type => 'div'},
-		stylesheet => baseurl()."style.css",
+		stylesheet => 1,
 		fieldsets => [
 			[login => gettext("Login")],
 			[preferences => gettext("Preferences")],
@@ -217,11 +249,11 @@ sub cgi_prefs ($$) {
 	
 	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) {
@@ -233,7 +265,9 @@ sub cgi_prefs ($$) {
 		$form->text(gettext("Preferences saved."));
 	}
 	
-	showform($form, $buttons, $session, $q);
+	showform($form, $buttons, $session, $q,
+		prefsurl => "", # avoid showing the preferences link
+	);
 }
 
 sub cgi_custom_failure ($$$) {
@@ -267,7 +301,7 @@ sub check_banned ($$) {
 
 	foreach my $b (@{$config{banned_users}}) {
 		if (pagespec_match("", $b,
-			ip => $ENV{REMOTE_ADDR},
+			ip => $session->remote_addr(),
 			name => defined $name ? $name : "",
 		)) {
 			$banned=1;