6 use Scalar::Util qw(weaken);
8 use SL::Auth::Constants qw(:all);
12 $main::lxdebug->enter_sub();
17 $self->{auth} = shift;
22 $main::lxdebug->leave_sub();
28 $main::lxdebug->enter_sub();
34 my $dbh = $self->{auth}->dbconnect();
37 $main::lxdebug->leave_sub();
41 my $query = qq|SELECT password FROM auth."user" WHERE login = ?|;
42 my ($stored_password) = $dbh->selectrow_array($query, undef, $login);
44 my ($algorithm, $algorithm2);
46 # Empty password hashes in the database mean just that -- empty
47 # passwords. Hash it for easier comparison.
48 $stored_password = $self->hash_password(password => $stored_password) unless $stored_password;
49 ($algorithm, $stored_password) = $self->parse_password_entry($stored_password);
50 ($algorithm2, $password) = $self->parse_password_entry($self->hash_password(password => $password, algorithm => $algorithm, login => $login));
52 $main::lxdebug->leave_sub();
54 return $password eq $stored_password ? OK : ERR_PASSWORD;
57 sub can_change_password {
62 $main::lxdebug->enter_sub();
67 my $is_crypted = shift;
69 my $dbh = $self->{auth}->dbconnect();
72 $main::lxdebug->leave_sub();
76 $password = $self->hash_password(password => $password) unless $is_crypted;
78 do_query($main::form, $dbh, qq|UPDATE auth."user" SET password = ? WHERE login = ?|, $password, $login);
82 $main::lxdebug->leave_sub();
92 my ($self, %params) = @_;
94 if (!$params{algorithm}) {
95 $params{algorithm} = 'SHA1';
96 $params{fallback_algorithm} = 'MD5';
99 if ($params{algorithm} eq 'SHA1') {
100 if (eval { require Digest::SHA1; 1 }) {
101 return '{SHA1}' . Digest::SHA1::sha1_hex($params{password});
103 } elsif ($params{fallback_algorithm}) {
104 return $self->hash_password(%params, algorithm => $params{fallback_algorithm});
107 die 'Digest::SHA1 not available';
110 } elsif ($params{algorithm} eq 'MD5') {
112 return '{MD5}' . Digest::MD5::md5_hex($params{password});
114 } elsif ($params{algorithm} eq 'CRYPT') {
115 return '{CRYPT}' . crypt($params{password}, substr($params{login}, 0, 2));
118 croak 'Unsupported hash algorithm ' . $params{algorithm};
122 sub parse_password_entry {
123 my ($self, $password) = @_;
125 return ($1, $2) if $password =~ m/^\{ ([^\}]+) \} (.+)/x;
126 return ('CRYPT', $password);