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ahitrov@rambler.ru |
package Contenido::Captcha; |
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use strict; |
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use warnings 'all'; |
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use Authen::Captcha; |
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use Digest::MD5 qw(md5_hex); |
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sub new { |
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my ($class, $keeper, %captcha_args) = @_; |
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my $self = { |
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captcha => Authen::Captcha->new(%captcha_args), |
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memd => $keeper->MEMD, |
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}; |
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bless $self, $class; |
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} |
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sub create_code { |
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my ($self, %opts) = @_; |
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my $code = $$self{captcha}->generate_random_string($opts{length}||4); |
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my $md5 = md5_hex($code.int 10**10*rand); |
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$$self{memd}->set("captcha:".$md5, $code, $opts{expire}||600); |
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$md5; |
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} |
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sub create_image { |
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my ($self, $md5) = @_; |
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my $code = $$self{memd}->get("captcha:".$md5||''); |
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return unless $code; |
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$$self{captcha}->create_image_file($code); |
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} |
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sub check_code { |
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my ($self, $md5, $code) = @_; |
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return 0 unless $code; |
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my $real = $$self{memd}->get("captcha:".$md5||''); |
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return 0 unless $real && $real eq $code; |
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$$self{memd}->delete("captcha:".$md5||''); |
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1; |
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} |
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sub width { |
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my $self = shift; |
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$$self{captcha}->width; |
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} |
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sub height { |
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my $self = shift; |
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$$self{captcha}->height; |
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} |
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1; |