option to limit the set of characters in random passwords, #40792

1 files changed, 32 insertions, 0 deletions

diff --git a/FS/FS/Password_Mixin.pm b/FS/FS/Password_Mixin.pm
index ac7ba50..633265b 100644
--- a/FS/FS/Password_Mixin.pm
+++ b/FS/FS/Password_Mixin.pm
@@ -14,6 +14,8 @@ FS::UID->install_callback( sub {
   $conf = FS::Conf->new;
 });
 
+our @pw_set;
+
 our $me = '[' . __PACKAGE__ . ']';
 
 our $BLOWFISH_COST = 10;
@@ -254,6 +256,36 @@ sub _blowfishcrypt {
 
 =back
 
+=head1 CLASS METHODS
+
+=over 4
+
+=item pw_set
+
+Returns the list of characters allowed in random passwords (from the
+C<password-generated-characters> config).
+
+=cut
+
+sub pw_set {
+  my $class = shift;
+  if (!@pw_set) {
+    my $pw_set = $conf->config('password-generated-characters');
+    $pw_set =~ s/\s//g; # don't ever allow whitespace
+    if ( $pw_set =~ /[[:lower:]]/
+      && $pw_set =~ /[[:upper:]]/
+      && $pw_set =~ /[[:digit:]]/
+      && $pw_set =~ /[[:punct:]]/ ) {
+      @pw_set = split('', $pw_set);
+    }
+    warn "password-generated-characters set is insufficient; using default.";
+    @pw_set = split('', 'abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ23456789()#.,');
+  }
+  return @pw_set;
+}
+
+=back
+
 =head1 SEE ALSO
 
 L<FS::password_history>