81 lines
2.3 KiB
Perl
81 lines
2.3 KiB
Perl
package Lemonldap::NG::Portal::Lib::Captcha;
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use strict;
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use GD::SecurityImage use_magick => 1;
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use Mouse;
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use MIME::Base64;
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our $VERSION = '2.0.0';
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extends 'Lemonldap::NG::Common::Module';
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has width =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaWidth} || 220 } );
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has height =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaHeight} || 40 } );
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has lines =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaLines} || 5 } );
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has scramble =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaScramble} || 1 } );
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has fgColor =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaFg} || '#403030' } );
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has bgColor =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captchaBg} || '#FF644B' } );
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has rndmax =>
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( is => 'rw', default => sub { $_[0]->{conf}->{captcha_size} || 6 } );
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has timeout => ( is => 'rw', default => sub { $_[0]->{conf}->{formTimeout} } );
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has ott => (
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is => 'rw',
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lazy => 1,
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default => sub {
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my $ott = $_[0]->{p}->loadModule('::Lib::OneTimeToken');
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$ott->timeout( $_[0]->timeout );
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return $ott;
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}
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);
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# Returns secret + a HTML image src content
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sub getCaptcha {
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my ($self) = @_;
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my $image = GD::SecurityImage->new(
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width => $self->width,
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height => $self->height,
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lines => $self->lines,
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gd_font => 'Giant',
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scramble => $self->scramble,
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rndmax => $self->rndmax,
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);
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$image->random;
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$image->create( 'normal', 'default', $self->fgColor, $self->bgColor );
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my ( $imageData, $mimeType, $rdm ) = $image->out( force => 'png' );
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my $img = 'data:image/png;base64,' . encode_base64( $imageData, '' );
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my $token = $self->ott->createToken( { captcha => $rdm } );
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return ( $token, $img );
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}
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sub validateCaptcha {
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my ( $self, $token, $value ) = @_;
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my $s = $self->ott->getToken($token);
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unless ($s) {
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$self->logger->warn("Captcha token $token isn't valid");
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return 0;
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}
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unless ( $s->{captcha} == $value ) {
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$self->logger->notice('Bad captcha response');
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return 0;
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}
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$self->logger->debug('Good captcha response');
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return 1;
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}
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sub setCaptcha {
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my ( $self, $req ) = @_;
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my ( $token, $image ) = $self->getCaptcha;
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$self->logger->debug('Prepare captcha');
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$req->token($token);
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$req->captcha($image);
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}
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1;
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