From 39ab6e57d391fd9e6b6cd7b8e81b4140d8864a37 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 20 Aug 2021 22:52:02 +0200
Subject: allow registration to be denied for certain IPs, e.g. known spammers

(yes, there are actually spambots flooding people with unsolicited
registration e-mails)
---
 lib/Travelynx/Controller/Account.pm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'lib')

diff --git a/lib/Travelynx/Controller/Account.pm b/lib/Travelynx/Controller/Account.pm
index db02dd1..12a059a 100644
--- a/lib/Travelynx/Controller/Account.pm
+++ b/lib/Travelynx/Controller/Account.pm
@@ -85,6 +85,22 @@ sub register {
 		return;
 	}
 
+	if ( my $registration_denylist
+		= $self->app->config->{registration}->{denylist} )
+	{
+		open( my $fh, "<", $registration_denylist )
+		  or die("cannot open($registration_denylist)");
+		while ( my $line = <$fh> ) {
+			chomp $line;
+			if ( $ip eq $line ) {
+				close($fh);
+				$self->render( 'register', invalid => "denylist" );
+				return;
+			}
+		}
+		close($fh);
+	}
+
 	if ( my $error = $self->users->is_name_invalid( name => $user ) ) {
 		$self->render( 'register', invalid => $error );
 		return;
-- 
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