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<?php
namespace Drupal\spambot\Form;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Drupal\Core\State\StateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
class SpambotSettingsForm extends ConfigFormBase {
const SPAMBOT_ACTION_NONE = 0;
const SPAMBOT_ACTION_BLOCK = 1;
const SPAMBOT_ACTION_DELETE = 2;
protected $connection;
protected $entityTypeManager;
protected $state;
public function __construct(ConfigFactoryInterface $config_factory, Connection $connection, EntityTypeManagerInterface $entityTypeManager, StateInterface $state) {
parent::__construct($config_factory);
$this->connection = $connection;
$this->entityTypeManager = $entityTypeManager;
$this->state = $state;
}
public static function create(ContainerInterface $container) {
return new static($container->get('config.factory'), $container->get('database'), $container->get('entity_type.manager'), $container->get('state'));
}
public function getFormId() {
return 'spambot_settings_form';
}
protected function getEditableConfigNames() {
return [
'spambot.settings',
];
}
public function buildForm(array $form, FormStateInterface $form_state) {
$numbers = [
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
15 => 15,
20 => 20,
30 => 30,
40 => 40,
50 => 50,
60 => 60,
70 => 70,
80 => 80,
90 => 90,
100 => 100,
150 => 150,
200 => 200,
];
$config = $this->config('spambot.settings');
$form['use_https'] = [
'#type' => 'checkbox',
'#title' => t('Use HTTPS'),
'#description' => t("Use HTTPS for SFS API calls. Disable if your server doesn't support SNI"),
'#default_value' => $config->get('use_https'),
];
$form['criteria'] = [
'#type' => 'details',
'#title' => $this->t('Spammer criteria'),
'#description' => $this->t('A user account or an attempted user registration will be deemed a spammer if the email, username, or IP address has been reported to www.stopforumspam.com more times than the following thresholds.'),
'#collapsible' => TRUE,
];
$form['criteria']['spambot_criteria_email'] = [
'#type' => 'select',
'#title' => $this->t('Number of times the email has been reported is equal to or more than'),
'#description' => $this->t('If the email address for a user or user registration has been reported to www.stopforumspam.com this many times, then it is deemed as a spammer.'),
'#options' => [
0 => $this->t("Don't use email as a criteria"),
] + $numbers,
'#default_value' => $config->get('spambot_criteria_email'),
];
$form['criteria']['spambot_criteria_username'] = [
'#type' => 'select',
'#title' => $this->t('Number of times the username has been reported is equal to or more than'),
'#description' => $this->t('If the username for a user or user registration has been reported to www.stopforumspam.com this many times, then it is deemed as a spammer. Be careful about using this option as you may accidentally block genuine users who happen to choose the same username as a known spammer.'),
'#options' => [
0 => $this->t("Don't use username as a criteria"),
] + $numbers,
'#default_value' => $config->get('spambot_criteria_username'),
];
$form['criteria']['spambot_criteria_ip'] = [
'#type' => 'select',
'#title' => $this->t('Number of times the IP address has been reported is equal to or more than'),
'#description' => $this->t('If the IP address for a user or user registration has been reported to www.stopforumspam.com this many times, then it is deemed as a spammer. Be careful about setting this threshold too low as IP addresses can change.'),
'#options' => [
0 => $this->t("Don't use IP address as a criteria"),
] + $numbers,
'#default_value' => $config->get('spambot_criteria_ip'),
];
$form['spambot_whitelist'] = [
'#type' => 'details',
'#title' => $this->t('Whitelists'),
'#collapsible' => TRUE,
];
$form['spambot_whitelist']['spambot_whitelist_email'] = [
'#type' => 'textarea',
'#title' => $this->t('Allowed email addresses'),
'#description' => $this->t('Enter email addresses, one per line.'),
'#default_value' => implode(PHP_EOL, $config->get('spambot_whitelist_email_list')),
];
$form['spambot_whitelist']['spambot_whitelist_username'] = [
'#type' => 'textarea',
'#title' => $this->t('Allowed usernames'),
'#description' => $this->t('Enter usernames, one per line.'),
'#default_value' => implode(PHP_EOL, $config->get('spambot_whitelist_username_list')),
];
$form['spambot_whitelist']['spambot_whitelist_ip'] = [
'#type' => 'textarea',
'#title' => $this->t('Allowed IP addresses'),
'#description' => $this->t('Enter IP addresses, one per line.'),
'#default_value' => implode(PHP_EOL, $config->get('spambot_whitelist_ip_list')),
];
$form['register'] = [
'#type' => 'details',
'#title' => $this->t('User registration'),
'#collapsible' => TRUE,
];
$form['register']['spambot_user_register_protect'] = [
'#type' => 'checkbox',
'#title' => $this->t('Protect the user registration form'),
'#description' => $this->t('If ticked, new user registrations will be tested if they match any known spammers and blacklisted.'),
'#default_value' => $config->get('spambot_user_register_protect'),
];
$sleep_options = [
$this->t("Don't delay"),
$this->t('1 second'),
];
foreach ([
2,
3,
4,
5,
10,
20,
30,
] as $num) {
$sleep_options[$num] = $this->t('@num seconds', [
'@num' => $num,
]);
}
$form['register']['spambot_blacklisted_delay'] = [
'#type' => 'select',
'#title' => $this->t('If blacklisted, delay for'),
'#description' => $this->t('If an attempted user registration is blacklisted, you can choose to deliberately delay the request. This can be useful for slowing them down if they continually try to register.<br />Be careful about choosing too large a value for this as it may exceed your PHP max_execution_time.'),
'#options' => $sleep_options,
'#default_value' => $config->get('spambot_blacklisted_delay'),
];
$form['existing'] = [
'#type' => 'details',
'#title' => $this->t('Scan existing accounts'),
'#description' => $this->t("This module can also scan existing user accounts to see if they are known spammers. It works by checking user accounts with increasing uid's ie. user id 2, 3, 4 etc during cron."),
'#collapsible' => TRUE,
];
$form['existing']['spambot_cron_user_limit'] = [
'#type' => 'textfield',
'#title' => $this->t('Maximum number of user accounts to scan per cron'),
'#description' => $this->t('Enter the number of user accounts to scan for each cron. If you do not want to scan existing user accounts, leave this as 0.<br />Be careful not to make this value too large, as it will slow your cron execution down and may cause your site to query www.stopforumspam.com more times than allowed each day.'),
'#size' => 10,
'#default_value' => $config->get('spambot_cron_user_limit'),
];
$form['existing']['spambot_check_blocked_accounts'] = [
'#type' => 'checkbox',
'#title' => $this->t('Scan blocked accounts'),
'#description' => $this->t('Tick this to scan blocked accounts. Otherwise blocked accounts are not scanned.'),
'#default_value' => $config->get('spambot_check_blocked_accounts'),
];
$form['existing']['spambot_spam_account_action'] = [
'#type' => 'select',
'#title' => $this->t('Action to take'),
'#description' => $this->t('Please select what action to take for user accounts which are found to be spammers.<br />No action will be taken against accounts with the permission <em>protected from spambot scans</em> but they will be logged.'),
'#options' => [
self::SPAMBOT_ACTION_NONE => $this->t('None, just log it.'),
self::SPAMBOT_ACTION_BLOCK => $this->t('Block user account'),
self::SPAMBOT_ACTION_DELETE => $this->t('Delete user account'),
],
'#default_value' => $config->get('spambot_spam_account_action'),
];
$suffix = '';
if ($last_uid = $this->state
->get('spambot_last_checked_uid', 0)) {
$num_checked = $this->connection
->select('users', 'u')
->fields('u', [
'uid',
])
->condition('u.uid', 1, '>')
->condition('u.uid', $last_uid, '<=')
->countQuery()
->execute()
->fetchField();
$num_left = $this->connection
->select('users', 'u')
->fields('u', [
'uid',
])
->condition('u.uid', 1, '>')
->condition('u.uid', $last_uid, '>')
->countQuery()
->execute()
->fetchField();
$last_uid = $this->connection
->select('users', 'u')
->fields('u', [
'uid',
])
->condition('u.uid', 1, '>=')
->condition('u.uid', $last_uid, '<=')
->orderBy('u.uid', 'DESC')
->range(0, 1)
->execute()
->fetchField();
$account = $this->entityTypeManager
->getStorage('user')
->load($last_uid);
$suffix = '<br />';
$renderableLink = Link::fromTextAndUrl($account->label(), $account->toUrl())
->toRenderable();
$suffix .= $this->t('The last checked user account is: %account (uid %uid)', [
'%account' => \Drupal::service('renderer')->render($renderableLink),
'%uid' => $account->id(),
]);
}
else {
$num_checked = 0;
$num_left = $this->connection
->select('users')
->fields('users')
->condition('uid', 1, '>')
->countQuery()
->execute()
->fetchField();
}
$text = $this->t('Accounts checked: %checked, Accounts remaining: %remaining', [
'%checked' => $num_checked,
'%remaining' => $num_left,
]);
$form['existing']['message'] = [
'#type' => 'fieldset',
'#title' => $this->t('Scan status'),
'#description' => $text . $suffix,
];
$form['existing']['spambot_last_checked_uid'] = [
'#type' => 'textfield',
'#title' => $this->t('Continue scanning after this user id'),
'#size' => 10,
'#description' => $this->t('Scanning of existing user accounts has progressed to, and including, user id @uid and will continue by scanning accounts after user id @uid. If you wish to change where the scan continues scanning from, enter a different user id here. If you wish to scan all users again, enter a value of 0.', [
'@uid' => $last_uid,
]),
'#default_value' => $last_uid,
];
$form['messages'] = [
'#type' => 'details',
'#title' => $this->t('Blocked messages'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
];
$form['messages']['spambot_blocked_message_email'] = [
'#type' => 'textarea',
'#title' => $this->t('User registration blocked message (blocked email address)'),
'#rows' => 1,
'#default_value' => $config->get('spambot_blocked_message_email'),
'#description' => $this->t('Message to display when user action is blocked due to email address. <br />Showing a specific reason why registration was blocked may make spambot easier to circumvent.<br />The following tokens are available: <em>@email %email @username %username @ip %ip</em>'),
];
$form['messages']['spambot_blocked_message_username'] = [
'#type' => 'textarea',
'#title' => $this->t('User registration blocked message (blocked username)'),
'#rows' => 1,
'#default_value' => $config->get('spambot_blocked_message_username'),
'#description' => $this->t('Message to display when user action is blocked due to username.<br />The following tokens are available: <em>@email %email @username %username @ip %ip</em>'),
];
$form['messages']['spambot_blocked_message_ip'] = [
'#type' => 'textarea',
'#title' => $this->t('User registration blocked message (blocked ip address)'),
'#rows' => 1,
'#default_value' => $config->get('spambot_blocked_message_ip'),
'#description' => $this->t('Message to display when user action is blocked due to ip address.<br />The following tokens are available: <em>@email %email @username %username @ip %ip</em>'),
];
$form['logging'] = [
'#type' => 'details',
'#title' => $this->t('Log information'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
];
$form['logging']['spambot_log_blocked_registration'] = [
'#type' => 'checkbox',
'#title' => $this->t('Log information about blocked registrations into Drupal log'),
'#default_value' => $config->get('spambot_log_blocked_registration'),
];
$form['cache'] = [
'#type' => 'details',
'#title' => $this->t('Caching'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
];
$form['cache']['spambot_enable_cache'] = [
'#type' => 'checkbox',
'#title' => t('Enable result caching'),
'#description' => t('If ticked, results from queries to www.stopforumspam.com will be cached.'),
'#default_value' => $config->get('spambot_enable_cache'),
];
$form['cache']['spambot_cache_expire'] = [
'#type' => 'select',
'#title' => t('Time to expire'),
'#description' => t('Specify the amount of time to cache the response. See Drupal documentation on Caching for when/how entries are removed from the cache.'),
'#options' => [
CacheBackendInterface::CACHE_PERMANENT => t('Keep until explicitly removed'),
60 => t('1 minute'),
300 => t('5 minutes'),
1800 => t('30 minutes'),
3600 => t('1 hour'),
86400 => t('1 day'),
604800 => t('1 week'),
2592000 => t('1 month (30 days)'),
],
'#default_value' => $config->get('spambot_cache_expire'),
];
$form['cache']['spambot_cache_expire_false'] = [
'#type' => 'select',
'#title' => t('Time to expire responses which do not match a spammer'),
'#description' => t('Specify the amount of time to cache a false response. See Drupal documentation on Caching for when/how entries are removed from the cache.'),
'#options' => [
CacheBackendInterface::CACHE_PERMANENT => t('Keep until explicitly removed'),
60 => t('1 minute'),
300 => t('5 minutes'),
1800 => t('30 minutes'),
3600 => t('1 hour'),
86400 => t('1 day'),
604800 => t('1 week'),
2592000 => t('1 month (30 days)'),
],
'#default_value' => $config->get('spambot_cache_expire_false'),
];
$form['spambot_sfs_api_key'] = [
'#type' => 'textfield',
'#title' => $this->t('www.stopforumspam.com API key'),
'#description' => $this->t('If you wish to report spammers to Stop Forum Spam, you need to register for an API key at the <a href="http://www.stopforumspam.com">Stop Forum Spam</a> website.'),
'#default_value' => $config->get('spambot_sfs_api_key'),
];
return parent::buildForm($form, $form_state);
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$config = $this->config('spambot.settings');
$whitelist_email = explode(PHP_EOL, $form_state->getValue('spambot_whitelist_email'));
$whitelist_username = explode(PHP_EOL, $form_state->getValue('spambot_whitelist_username'));
$whitelist_ip = explode(PHP_EOL, $form_state->getValue('spambot_whitelist_ip'));
$config->set('spambot_criteria_email', $form_state->getValue('spambot_criteria_email'))
->set('spambot_criteria_username', $form_state->getValue('spambot_criteria_username'))
->set('spambot_criteria_ip', $form_state->getValue('spambot_criteria_ip'))
->set('spambot_whitelist_email_list', array_map('trim', array_filter($whitelist_email)))
->set('spambot_whitelist_username_list', array_map('trim', array_filter($whitelist_username)))
->set('spambot_whitelist_ip_list', array_map('trim', array_filter($whitelist_ip)))
->set('spambot_user_register_protect', $form_state->getValue('spambot_user_register_protect'))
->set('spambot_blacklisted_delay', $form_state->getValue('spambot_blacklisted_delay'))
->set('spambot_cron_user_limit', $form_state->getValue('spambot_cron_user_limit'))
->set('spambot_check_blocked_accounts', $form_state->getValue('spambot_check_blocked_accounts'))
->set('spambot_spam_account_action', $form_state->getValue('spambot_spam_account_action'))
->set('spambot_blocked_message_email', $form_state->getValue('spambot_blocked_message_email'))
->set('spambot_blocked_message_username', $form_state->getValue('spambot_blocked_message_username'))
->set('spambot_blocked_message_ip', $form_state->getValue('spambot_blocked_message_ip'))
->set('spambot_log_blocked_registration', $form_state->getValue('spambot_log_blocked_registration'))
->set('spambot_sfs_api_key', $form_state->getValue('spambot_sfs_api_key'))
->set('spambot_enable_cache', $form_state->getValue('spambot_enable_cache'))
->set('spambot_cache_expire', $form_state->getValue('spambot_cache_expire'))
->set('spambot_cache_expire_false', $form_state->getValue('spambot_cache_expire_false'))
->set('use_https', $form_state->getValue('use_https'))
->save();
$this->state
->set('spambot_last_checked_uid', $form_state->getValue('spambot_last_checked_uid'));
parent::submitForm($form, $form_state);
}
}
