+package SL::Auth::PasswordPolicy;
+
+use strict;
+
+use parent qw(Rose::Object);
+
+use constant OK => 0;
+use constant TOO_SHORT => 1;
+use constant TOO_LONG => 2;
+use constant MISSING_LOWERCASE => 4;
+use constant MISSING_UPPERCASE => 8;
+use constant MISSING_DIGIT => 16;
+use constant MISSING_SPECIAL_CHAR => 32;
+use constant INVALID_CHAR => 64;
+
+use Rose::Object::MakeMethods::Generic
+(
+ 'scalar --get_set_init' => 'config',
+);
+
+sub verify {
+ my ($self, $password) = @_;
+
+ my $cfg = $self->config;
+ return OK() unless $cfg && %{ $cfg };
+
+ my $result = OK();
+ $result |= TOO_SHORT() if $cfg->{min_length} && (length($password) < $cfg->{min_length});
+ $result |= TOO_LONG() if $cfg->{max_length} && (length($password) > $cfg->{max_length});
+ $result |= MISSING_LOWERCASE() if $cfg->{require_lowercase} && $password !~ m/[a-z]/;
+ $result |= MISSING_UPPERCASE() if $cfg->{require_uppercase} && $password !~ m/[A-Z]/;
+ $result |= MISSING_DIGIT() if $cfg->{require_digit} && $password !~ m/[0-9]/;
+ $result |= MISSING_SPECIAL_CHAR() if $cfg->{require_special_character} && $password !~ $cfg->{special_characters_re};
+ $result |= INVALID_CHAR() if $cfg->{invalid_characters_re} && $password =~ $cfg->{invalid_characters_re};
+
+ return $result;
+}
+
+sub errors {
+ my ($self, $result) = @_;
+
+ my @errors;
+
+ push @errors, $::locale->text('The password is too short (minimum length: #1).', $self->config->{min_length}) if $result & TOO_SHORT();
+ push @errors, $::locale->text('The password is too long (maximum length: #1).', $self->config->{max_length}) if $result & TOO_LONG();
+ push @errors, $::locale->text('A lower-case character is required.') if $result & MISSING_LOWERCASE();
+ push @errors, $::locale->text('An upper-case character is required.') if $result & MISSING_UPPERCASE();
+ push @errors, $::locale->text('A digit is required.') if $result & MISSING_DIGIT();
+
+ if ($result & MISSING_SPECIAL_CHAR()) {
+ my $char_list = join ' ', sort split(m//, $self->config->{special_characters});
+ push @errors, $::locale->text('A special character is required (valid characters: #1).', $char_list);
+ }
+
+ if (($result & INVALID_CHAR())) {
+ my $char_list = join ' ', sort split(m//, $self->config->{ $self->config->{invalid_characters} ? 'invalid_characters' : 'valid_characters' });
+ push @errors, $::locale->text('An invalid character was used (invalid characters: #1).', $char_list) if $self->config->{invalid_characters};
+ push @errors, $::locale->text('An invalid character was used (valid characters: #1).', $char_list) if $self->config->{valid_characters};
+ }
+
+ return @errors;
+}
+
+
+sub init_config {
+ my ($self) = @_;
+
+ my %cfg = %{ $::emmvee_conf{password_policy} || {} };
+
+ $cfg{valid_characters} =~ s/[ \n\r]//g if $cfg{valid_characters};
+ $cfg{invalid_characters} =~ s/[ \n\r]//g if $cfg{invalid_characters};
+ $cfg{invalid_characters_re} = '[^' . quotemeta($cfg{valid_characters}) . ']' if $cfg{valid_characters};
+ $cfg{invalid_characters_re} = '[' . quotemeta($cfg{invalid_characters}) . ']' if $cfg{invalid_characters};
+ $cfg{special_characters} = '!@#$%^&*()_+=[]{}<>\'"|\\,;.:?-';
+ $cfg{special_characters_re} = '[' . quotemeta($cfg{special_characters}) . ']';
+ print $cfg{special_characters_re}, "\n";
+
+ map { $cfg{"require_${_}"} = $cfg{"require_${_}"} =~ m/^(?:1|true|t|yes|y)$/i } qw(lowercase uppercase digit special_char);
+
+ $self->config(\%cfg);
+}
+
+1;
+__END__
+
+=pod
+
+=encoding utf8
+
+=head1 NAME
+
+SL::Auth::PasswordPolicy - Verify a given password against the policy
+set in the configuration file
+
+=head1 SYNOPSIS
+
+ my $verifier = SL::Auth::PasswordPolicy->new;
+ my $result = $verifier->verify($password);
+ if ($result != SL::Auth::PasswordPolicy->OK()) {
+ print "Errors: " . join(' ', $verifier->errors($result)) . "\n";
+ }
+
+=head1 CONSTANTS
+
+=over 4
+
+=item C<OK>
+
+Password is OK.
+
+=item C<TOO_SHORT>
+
+The password is too short.
+
+=item C<TOO_LONG>
+
+The password is too long.
+
+=item C<MISSING_LOWERCASE>
+
+The password is missing a lower-case character.
+
+=item C<MISSING_UPPERCASE>
+
+The password is missing an upper-case character.
+
+=item C<MISSING_DIGIT>
+
+The password is missing a digit.
+
+=item C<MISSING_SPECIAL_CHAR>
+
+The password is missing a special character. Special characters are
+the following: ! " # $ % & ' ( ) * + , - . : ; E<lt> = E<gt> ? @ [ \ ]
+^ _ { | }
+
+=item C<INVALID_CHAR>
+
+The password contains an invalid character.
+
+=back
+
+=head1 FUNCTIONS
+
+=over 4
+
+=item C<verify $password>
+
+Checks whether or not the password matches the policy. Returns C<OK()>
+if it does and an error code otherwise (binary or'ed of the error
+constants).
+
+=item C<errors $code>
+
+Returns an array of human-readable strings describing the issues set
+in C<$code> which should be the result of L</verify>.
+
+=back
+
+=head1 BUGS
+
+Nothing here yet.
+
+=head1 AUTHOR
+
+Moritz Bunkus E<lt>m.bunkus@linet-services.deE<gt>
+
+=cut
projects / kivitendo-erp.git / commitdiff