package ProFTPD::Tests::Config::AnonAllowRobots;

use lib qw(t/lib);
use base qw(ProFTPD::TestSuite::Child);
use strict;

use File::Spec;
use IO::Handle;

use ProFTPD::TestSuite::FTP;
use ProFTPD::TestSuite::Utils qw(:auth :config :running :test :testsuite);

$| = 1;

my $order = 0;

my $TESTS = {
  anon_allow_robots_on_enoent => {
    order => ++$order,
    test_class => [qw(forking rootprivs)],
  },

  anon_allow_robots_on => {
    order => ++$order,
    test_class => [qw(forking rootprivs)],
  },

  anon_allow_robots_off => {
    order => ++$order,
    test_class => [qw(forking rootprivs)],
  },

  anon_allow_robots_off_existing_file => {
    order => ++$order,
    test_class => [qw(forking rootprivs)],
  },

  anon_allow_robots_off_non_anon_login => {
    order => ++$order,
    test_class => [qw(forking)],
  },

};

sub new {
  return shift()->SUPER::new(@_);
}

sub list_tests {
  return testsuite_get_runnable_tests($TESTS);
}

sub anon_allow_robots_on_enoent {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};
  my $setup = test_setup($tmpdir, 'config');

  my ($user, $group) = config_get_identity();

  my $config = {
    PidFile => $setup->{pid_file},
    ScoreboardFile => $setup->{scoreboard_file},
    SystemLog => $setup->{log_file},

    AuthUserFile => $setup->{auth_user_file},
    AuthGroupFile => $setup->{auth_group_file},
    AuthOrder => 'mod_auth_file.c',

    IfModules => {
      'mod_delay.c' => {
        DelayEngine => 'off',
      },
    },

    Anonymous => {
      $setup->{home_dir} => {
        User => $user,
        Group => $group,
        UserAlias => "anonymous $user",
        RequireValidShell => 'off',

        AnonAllowRobots => 'on',
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($setup->{config_file},
    $config);

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, 0, 1);
      $client->login($user, 'ftp@nospam.org');

      my $conn = $client->retr_raw('/robots.txt');
      if ($conn) {
        die("RETR succeeded unexpectedly");
      }

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();
      $client->quit();

      my $expected = 550;
      $self->assert($expected == $resp_code,
        test_msg("Expected response code $expected, got $resp_code"));

      $expected = "/robots.txt: No such file or directory";
      $self->assert($expected eq $resp_msg,
        test_msg("Expected response message '$expected', got '$resp_msg'"));
    };
    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($setup->{config_file}, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($setup->{pid_file});
  $self->assert_child_ok($pid);

  test_cleanup($setup->{log_file}, $ex);
}

sub anon_allow_robots_on {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};
  my $setup = test_setup($tmpdir, 'config');

  my ($user, $group) = config_get_identity();

  my $robots_data = "User-agent: *\nAllow:\n";
  my $robots_file = File::Spec->rel2abs("$setup->{home_dir}/robots.txt");
  if (open(my $fh, "> $robots_file")) {
    print $fh $robots_data;
    unless (close($fh)) {
      die("Can't write $robots_file: $!");
    }

  } else {
    die("Can't open $robots_file: $!");
  }

  my $config = {
    PidFile => $setup->{pid_file},
    ScoreboardFile => $setup->{scoreboard_file},
    SystemLog => $setup->{log_file},

    AuthUserFile => $setup->{auth_user_file},
    AuthGroupFile => $setup->{auth_group_file},
    AuthOrder => 'mod_auth_file.c',

    IfModules => {
      'mod_delay.c' => {
        DelayEngine => 'off',
      },
    },

    Anonymous => {
      $setup->{home_dir} => {
        User => $user,
        Group => $group,
        UserAlias => "anonymous $user",
        RequireValidShell => 'off',

        AnonAllowRobots => 'on',
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($setup->{config_file},
    $config);

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, 0, 1);
      $client->login($user, 'ftp@nospam.org');
      $client->type('binary');

      my $conn = $client->retr_raw('/robots.txt');
      unless ($conn) {
        die("RETR failed: " . $client->response_code() . " " .
          $client->response_msg());
      }

      my $buf;
      $conn->read($buf, 8192, 15);
      eval { $conn->close() };

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();
      $client->quit();

      $self->assert_transfer_ok($resp_code, $resp_msg);

      $self->assert($buf eq $robots_data,
        test_msg("Did not receive expected robots.txt data"));
    };
    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($setup->{config_file}, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($setup->{pid_file});
  $self->assert_child_ok($pid);

  test_cleanup($setup->{log_file}, $ex);
}

sub anon_allow_robots_off {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};
  my $setup = test_setup($tmpdir, 'config');

  my ($user, $group) = config_get_identity();

  my $robots_data = "User-agent: *\nDisallow: /\n";

  my $config = {
    PidFile => $setup->{pid_file},
    ScoreboardFile => $setup->{scoreboard_file},
    SystemLog => $setup->{log_file},
    TraceLog => $setup->{log_file},
    Trace => 'fsio:20',

    AuthUserFile => $setup->{auth_user_file},
    AuthGroupFile => $setup->{auth_group_file},
    AuthOrder => 'mod_auth_file.c',

    IfModules => {
      'mod_delay.c' => {
        DelayEngine => 'off',
      },
    },

    Anonymous => {
      $setup->{home_dir} => {
        User => $user,
        Group => $group,
        UserAlias => "anonymous $user",
        RequireValidShell => 'off',

        AnonAllowRobots => 'off',
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($setup->{config_file},
    $config);

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, 0, 1);
      $client->login($user, 'ftp@nospam.org');
      $client->type('binary');

      my $conn = $client->retr_raw('/robots.txt');
      unless ($conn) {
        die("RETR failed: " . $client->response_code() . " " .
          $client->response_msg());
      }

      my $buf;
      $conn->read($buf, 8192, 15);
      eval { $conn->close() };

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();
      $self->assert_transfer_ok($resp_code, $resp_msg);

      eval { $client->dele('robots.txt') };
      unless ($@) {
        die("DELE succeeded unexpectedly");
      }

      $resp_code = $client->response_code();
      $resp_msg = $client->response_msg();
      $client->quit();

      my $expected = 550;
      $self->assert($expected == $resp_code,
        test_msg("Expected response code $expected, got $resp_code"));

      $expected = "robots.txt: No such file or directory";
      $self->assert($expected eq $resp_msg,
        test_msg("Expected response message '$expected', got '$resp_msg'"));

      $self->assert($buf eq $robots_data,
        test_msg("Did not receive expected robots.txt data"));
    };
    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($setup->{config_file}, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($setup->{pid_file});
  $self->assert_child_ok($pid);

  test_cleanup($setup->{log_file}, $ex);
}

sub anon_allow_robots_off_existing_file {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};
  my $setup = test_setup($tmpdir, 'config');

  my ($user, $group) = config_get_identity();

  my $robots_data = "User-agent: *\nAllow:\n";
  my $robots_file = File::Spec->rel2abs("$setup->{home_dir}/robots.txt");
  if (open(my $fh, "> $robots_file")) {
    print $fh $robots_data;
    unless (close($fh)) {
      die("Can't write $robots_file: $!");
    }

  } else {
    die("Can't open $robots_file: $!");
  }

  my $config = {
    PidFile => $setup->{pid_file},
    ScoreboardFile => $setup->{scoreboard_file},
    SystemLog => $setup->{log_file},

    AuthUserFile => $setup->{auth_user_file},
    AuthGroupFile => $setup->{auth_group_file},
    AuthOrder => 'mod_auth_file.c',

    IfModules => {
      'mod_delay.c' => {
        DelayEngine => 'off',
      },
    },

    Anonymous => {
      $setup->{home_dir} => {
        User => $user,
        Group => $group,
        UserAlias => "anonymous $user",
        RequireValidShell => 'off',
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($setup->{config_file},
    $config);

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, 0, 1);
      $client->login($user, 'ftp@nospam.org');
      $client->type('binary');

      my $conn = $client->retr_raw('/robots.txt');
      unless ($conn) {
        die("RETR failed: " . $client->response_code() . " " .
          $client->response_msg());
      }

      my $buf;
      $conn->read($buf, 8192, 15);
      eval { $conn->close() };

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();
      $client->quit();

      $self->assert_transfer_ok($resp_code, $resp_msg);

      $self->assert($buf eq $robots_data,
        test_msg("Did not receive expected robots.txt data"));
    };
    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($setup->{config_file}, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($setup->{pid_file});
  $self->assert_child_ok($pid);

  test_cleanup($setup->{log_file}, $ex);
}

sub anon_allow_robots_off_non_anon_login {
  my $self = shift;
  my $tmpdir = $self->{tmpdir};
  my $setup = test_setup($tmpdir, 'config');

  my $robots_data = "User-agent: *\nDisallow: /\n";

  my $config = {
    PidFile => $setup->{pid_file},
    ScoreboardFile => $setup->{scoreboard_file},
    SystemLog => $setup->{log_file},
    TraceLog => $setup->{log_file},
    Trace => 'fsio:20',

    AuthUserFile => $setup->{auth_user_file},
    AuthGroupFile => $setup->{auth_group_file},
    AuthOrder => 'mod_auth_file.c',

    IfModules => {
      'mod_delay.c' => {
        DelayEngine => 'off',
      },
    },

    Anonymous => {
      $setup->{home_dir} => {
        User => 'ftp',
        Group => $setup->{group},
        UserAlias => "anonymous ftp",
        RequireValidShell => 'off',

        AnonAllowRobots => 'off',
      },
    },
  };

  my ($port, $config_user, $config_group) = config_write($setup->{config_file},
    $config);

  # Open pipes, for use between the parent and child processes.  Specifically,
  # the child will indicate when it's done with its test by writing a message
  # to the parent.
  my ($rfh, $wfh);
  unless (pipe($rfh, $wfh)) {
    die("Can't open pipe: $!");
  }

  my $ex;

  # Fork child
  $self->handle_sigchld();
  defined(my $pid = fork()) or die("Can't fork: $!");
  if ($pid) {
    eval {
      my $client = ProFTPD::TestSuite::FTP->new('127.0.0.1', $port, 0, 1);

      # Deliberately log in as a non-anonymous user
      $client->login($setup->{user}, $setup->{passwd});
      $client->type('binary');

      my $conn = $client->retr_raw('/robots.txt');
      if ($conn) {
        die("RETR succeeded unexpectedly");
      }

      my $resp_code = $client->response_code();
      my $resp_msg = $client->response_msg();
      $client->quit();

      my $expected = 550;
      $self->assert($expected == $resp_code,
        test_msg("Expected response code $expected, got $resp_code"));

      $expected = "/robots.txt: No such file or directory";
      $self->assert($expected eq $resp_msg,
        test_msg("Expected response message '$expected', got '$resp_msg'"));
    };
    if ($@) {
      $ex = $@;
    }

    $wfh->print("done\n");
    $wfh->flush();

  } else {
    eval { server_wait($setup->{config_file}, $rfh) };
    if ($@) {
      warn($@);
      exit 1;
    }

    exit 0;
  }

  # Stop server
  server_stop($setup->{pid_file});
  $self->assert_child_ok($pid);

  test_cleanup($setup->{log_file}, $ex);
}

1;