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package JWebmail::Model::ReadMails::MockMaildir;

use Mojo::Base JWebmail::Model::ReadMails::QMailAuthuser;

use Mojo::JSON 'decode_json';

use constant {
    VALID_USER => 'me@mockmaildir.com',
    VALID_PW   => '12345',
};


has user      => sub { $ENV{USER} };
has maildir   => 't/';
has extractor => 'perl';


our %EXTRACTORS = (
    perl => 'perl script/qmauth.pl',
    rust => 'extract/target/debug/jwebmail-extract',
);


sub verify_user {
    my $self = shift;
    my $auth = shift;

    return $auth->{user} eq VALID_USER && $auth->{password} eq VALID_PW;
}

sub build_and_run {
    my $self = shift;
    my $auth = shift;
    my $mode = shift;
    my $args = shift;

    my $mail_user = 'maildir';
    my $exec = $EXTRACTORS{$self->extractor} . ' ' . join(' ', map { my $x = s/(['\\])/\\$1/gr; "'$x'" } ($self->maildir, $self->user, $mail_user, $mode, @$args));

    my $pid = open(my $reader, '-|', $exec)
        or die 'failed to create subprocess';

    my $input = <$reader>;

    waitpid($pid, 0);
    my $rc = $? >> 8;

    my $resp;
    if ($rc == 3 || $rc == 0) {
        eval { $resp = decode_json $input; };
        if (my $err = $@) { $resp = {error => "decoding error '$err'"}; $rc ||= 1; };
    }
    elsif ($rc) {
        $resp = {error => "qmail-authuser returned code: $rc"};
    }

    die "error $resp" if $rc;
    return $resp;
}


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