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1 <?php
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2
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3 namespace Drupal\ban\Form;
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4
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5 use Drupal\Core\Form\FormBase;
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6 use Drupal\ban\BanIpManagerInterface;
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7 use Drupal\Core\Form\FormStateInterface;
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8 use Drupal\Core\Url;
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9 use Symfony\Component\DependencyInjection\ContainerInterface;
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10
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11 /**
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12 * Displays banned IP addresses.
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13 *
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14 * @internal
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15 */
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16 class BanAdmin extends FormBase {
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17
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18 /**
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19 * @var \Drupal\ban\BanIpManagerInterface
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20 */
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21 protected $ipManager;
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22
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23 /**
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24 * Constructs a new BanAdmin object.
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25 *
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26 * @param \Drupal\ban\BanIpManagerInterface $ip_manager
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27 */
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28 public function __construct(BanIpManagerInterface $ip_manager) {
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29 $this->ipManager = $ip_manager;
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30 }
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31
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32 /**
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33 * {@inheritdoc}
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34 */
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35 public static function create(ContainerInterface $container) {
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36 return new static(
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37 $container->get('ban.ip_manager')
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38 );
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39 }
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40
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41 /**
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42 * {@inheritdoc}
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43 */
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44 public function getFormId() {
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45 return 'ban_ip_form';
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46 }
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47
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48 /**
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49 * {@inheritdoc}
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50 *
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51 * @param string $default_ip
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52 * (optional) IP address to be passed on to
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53 * \Drupal::formBuilder()->getForm() for use as the default value of the IP
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54 * address form field.
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55 */
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56 public function buildForm(array $form, FormStateInterface $form_state, $default_ip = '') {
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57 $rows = [];
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58 $header = [$this->t('banned IP addresses'), $this->t('Operations')];
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59 $result = $this->ipManager->findAll();
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60 foreach ($result as $ip) {
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61 $row = [];
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62 $row[] = $ip->ip;
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63 $links = [];
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64 $links['delete'] = [
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65 'title' => $this->t('Delete'),
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66 'url' => Url::fromRoute('ban.delete', ['ban_id' => $ip->iid]),
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67 ];
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68 $row[] = [
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69 'data' => [
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70 '#type' => 'operations',
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71 '#links' => $links,
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72 ],
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73 ];
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74 $rows[] = $row;
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75 }
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76
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77 $form['ip'] = [
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78 '#title' => $this->t('IP address'),
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79 '#type' => 'textfield',
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80 '#size' => 48,
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81 '#maxlength' => 40,
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82 '#default_value' => $default_ip,
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83 '#description' => $this->t('Enter a valid IP address.'),
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84 ];
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85 $form['actions'] = ['#type' => 'actions'];
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86 $form['actions']['submit'] = [
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87 '#type' => 'submit',
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88 '#value' => $this->t('Add'),
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89 ];
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90
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91 $form['ban_ip_banning_table'] = [
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92 '#type' => 'table',
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93 '#header' => $header,
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94 '#rows' => $rows,
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95 '#empty' => $this->t('No blocked IP addresses available.'),
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96 '#weight' => 120,
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97 ];
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98 return $form;
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99 }
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100
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101 /**
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102 * {@inheritdoc}
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103 */
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104 public function validateForm(array &$form, FormStateInterface $form_state) {
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105 $ip = trim($form_state->getValue('ip'));
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106 if ($this->ipManager->isBanned($ip)) {
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107 $form_state->setErrorByName('ip', $this->t('This IP address is already banned.'));
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108 }
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109 elseif ($ip == $this->getRequest()->getClientIP()) {
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110 $form_state->setErrorByName('ip', $this->t('You may not ban your own IP address.'));
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111 }
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112 elseif (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) == FALSE) {
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113 $form_state->setErrorByName('ip', $this->t('Enter a valid IP address.'));
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114 }
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115 }
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116
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117 /**
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118 * {@inheritdoc}
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119 */
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120 public function submitForm(array &$form, FormStateInterface $form_state) {
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121 $ip = trim($form_state->getValue('ip'));
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122 $this->ipManager->banIp($ip);
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123 $this->messenger()->addStatus($this->t('The IP address %ip has been banned.', ['%ip' => $ip]));
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124 $form_state->setRedirect('ban.admin_page');
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125 }
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126
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127 }
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