email.module 10.4 KB
Newer Older
Matthias Hutterer's avatar
Matthias Hutterer committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
<?php


/**
 * Implementation of hook_help().
 */
function email_help($section) {
  switch ($section) {
    case 'admin/modules#description':
      return t('Defines a field type for email addresses. <em>Note: Requires content.module.</em>');
  }
}


/**
 * Implementation of hook_field_info().
 */
function email_field_info() {
  return array(
    'email' => array('label' => t('E-Mail')),
   );
}


/**
 * Implementation of hook_field_settings().
 */
function email_field_settings($op, $field) {
29
  switch ($op) {
Matthias Hutterer's avatar
Matthias Hutterer committed
30
31
32
33
34
35
36
37
38
39
40
41
42
43
    case 'database columns':
      $columns = array(
        'email' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE),
      );
      return $columns;
  }
}


/**
 * Implementation of hook_field().
 */
function email_field($op, &$node, $field, &$node_field, $teaser, $page) {
  switch ($op) {
44
    case 'view':     
Matthias Hutterer's avatar
Matthias Hutterer committed
45
      foreach ($node_field as $delta => $item) {
46
        $node_field[$delta]['view'] = content_format($field, $item, 'email', $node);
Matthias Hutterer's avatar
Matthias Hutterer committed
47
48
49
50
51
      }
      return theme('field', $node, $field, $node_field, $teaser, $page);
  }
}

52
53
54
55
56
57
58
59
60
61
62
63
/**
 * Implementation of hook_field_formatter_info().
 *
 */
function email_field_formatter_info() {
  return array(
    'email' => array(
      'label' => 'Email',
      'field types' => array('email'),
    ),
  );
}
Matthias Hutterer's avatar
Matthias Hutterer committed
64

65
function email_field_formatter($field, $item, $formatter, $node) {
66
  if (empty($item['email'])) {
Matthias Hutterer's avatar
Matthias Hutterer committed
67
68
69
    return '';
  }
  else {
70
71
72
73
    if ($field['widget']['link_type'] == 'form') {
      $mailto = l(t('Email Contact Form'), 'email/'.$node->nid.'/'.$field['field_name']);
    }
    elseif ($field['widget']['link_type'] == 'mailto_encrypt' && module_exist('invisimail')) {
Matthias Hutterer's avatar
Matthias Hutterer committed
74
      $format = $GLOBALS['invisimail_format'];
75
76
77
78
      if (!(variable_get('invisimail_link_'.$format, TRUE))) {     
        variable_set('invisimail_link_'.$format, TRUE);
        variable_set('invisimail_js_'.$format, TRUE);
      }
79
      $mailto = invisimail_ascii_encode($item['email']);
Matthias Hutterer's avatar
Matthias Hutterer committed
80
81
    }
    else {
82
      $mailto =  '<a href="mailto:'. $item['email']. '">'. check_plain($item['email']) .'</a>';
Matthias Hutterer's avatar
Matthias Hutterer committed
83
    }
Matthias Hutterer's avatar
Matthias Hutterer committed
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
    return $mailto;
  }
}


/**
 * Implementation of hook_widget_info().
 */
function email_widget_info() {
  return array(
    'email' => array(
      'label' => t('Textfield'),
      'field types' => array('email'),
    ),
  );
}


/**
 * Implementation of hook_widget_settings().
 */
function email_widget_settings($op, $widget) {
  switch ($op) {
    case 'form':
      $form = array();
      $form['size'] = array(
        '#type' => 'textfield',
        '#title' => t('Size'),
        '#default_value' => isset($widget['size']) ? $widget['size'] : 60,
        '#required' => FALSE,
        '#description' => t('Size of textfield'),
      );
116
117
118
119
120
      
      $options = array(
        'mailto' => t('Mailto: Direct link'), 
        'form' => t('Contact form'), 
      );
Matthias Hutterer's avatar
Matthias Hutterer committed
121
      if (module_exist('invisimail')) {
122
        $options += array('mailto_encrypt' => t('Mailto: Direct link with invisimail encryption'));
Matthias Hutterer's avatar
Matthias Hutterer committed
123
      }
124
125
126
127
128
129
130
      $form['link_type'] = array(
        '#type' => 'radios',
        '#title' => t('Email Link Type'),
        '#default_value' => isset($widget['link_type']) ? $widget['link_type'] : 'mailto',
        '#options' => $options,
      );
      
Matthias Hutterer's avatar
Matthias Hutterer committed
131
      return $form;
Matthias Hutterer's avatar
Matthias Hutterer committed
132
      
Matthias Hutterer's avatar
Matthias Hutterer committed
133
134
135
136
137
138
139
    case 'validate':
      if (!empty($widget['size']) && (!is_numeric($widget['size']) || intval($widget['size']) != $widget['size'] || $widget['size'] <= 0)) {
        form_set_error('size', t('"Size" must be a positive integer.'));
      }
      break;

    case 'save':
140
      return array('size', 'link_type');
Matthias Hutterer's avatar
Matthias Hutterer committed
141
142
143
144
145
146
147
148
149
150
151
  }
}


/**
 * Implementation of hook_widget().
 */
function email_widget($op, &$node, $field, &$node_field) {
  switch ($op) {   
    case 'form':
      $form = array();
152
153
154
155
      $form[$field['field_name']] = array(
        '#tree' => TRUE, 
        '#weight' => $field['widget']['weight'],
      );
Matthias Hutterer's avatar
Matthias Hutterer committed
156
157
158
159
160
161
162
163
164
165
166
167
      
      if ($field['multiple']) {
        $form[$field['field_name']]['#type'] = 'fieldset';
        $form[$field['field_name']]['#title'] = t($field['widget']['label']);
        foreach (range(0,2) as $delta) {
          $form[$field['field_name']][$delta]['email'] = array(
            '#type' => 'textfield',
            '#title' => '',
            '#default_value' => isset($node_field[$delta]['email']) ? $node_field[$delta]['email'] : '',
            '#required' => $field['required'] ? $field['required'] : FALSE,
            '#maxlength' => 255,
            '#size' => isset($field['widget']['size']) ? $field['widget']['size'] : 60,
168
            '#description' => isset($field['widget']['description']) ? $field['widget']['description'] : '',
Matthias Hutterer's avatar
Matthias Hutterer committed
169
170
171
172
173
174
175
176
177
178
179
          );
        }
      }
      else {
        $form[$field['field_name']][0]['email'] = array(
          '#type' => 'textfield',
          '#title' => $field['widget']['label'],
          '#default_value' => isset($node_field[0]['email']) ? $node_field[0]['email'] : '',
          '#required' => $field['required'] ? $field['required'] : FALSE,
          '#maxlength' => 255,
          '#size' => isset($field['widget']['size']) ? $field['widget']['size'] : 60,
180
          '#description' => isset($field['widget']['description']) ? $field['widget']['description'] : '',
Matthias Hutterer's avatar
Matthias Hutterer committed
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
        );
      }
      
      return $form;
    
    case 'validate':
      if (is_array($node_field)) {
          foreach ($node_field as $delta => $item) {
            if ($item['email'] != '' && !valid_email_address($item['email'])) {
              form_set_error($field['field_name'],t('"%mail" is not a valid email address',array('%mail' => $item['email'])));
            }
          }
      }
      break;
  }           
}

198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/**
 * Implementation of hook_menu().
 */
function email_menu($may_cache) {
  $items = array();

  if ($may_cache) {
    $items[] = array('path' => 'email',
      'title' => t('Email Contact Form'),
      'callback' => 'email_mail_page',
      'access' => user_access('access content'),
      'type' => MENU_CALLBACK,
    );
  }
  return $items;
}

/**
 * The contact form page.
 */
function email_mail_page($nid=null, $fieldname=null) {
  if (empty($nid) || empty($fieldname)) {
    drupal_not_found();
    return;
  }
Matthias Hutterer's avatar
Matthias Hutterer committed
223
  $node = node_load(intval($nid));
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
  if (!$node) {
    drupal_not_found();
    return;
  }
  // Validate field name
  $types = content_types($node->type);
  if (!isset($types['fields'][$fieldname]) ||
      $types['fields'][$fieldname]['type'] != 'email' ||
      $types['fields'][$fieldname]['widget']['link_type'] != 'form') {
    drupal_not_found();
    return;
  }
  $field = $node->$fieldname;
  if (empty($field) || empty($field[0]['email'])) {
    drupal_not_found();
    return;
  }

  global $user;

  if (!flood_is_allowed('email', variable_get('email_hourly_threshold', 3))) {
    $output = t("You cannot send more than %number messages per hour. Please try again later.", array('%number' => variable_get('email_hourly_threshold', 3)));
  }
  else {
    if ($user->uid) {
      $edit['name'] = $user->name;
      $edit['mail'] = $user->mail;
    }

    $form['#token'] = $user->name . $user->mail;
    $form['name'] = array('#type' => 'textfield',
      '#title' => t('Your name'),
      '#maxlength' => 255,
      '#default_value' => $edit['name'],
      '#required' => TRUE,
    );
    $form['mail'] = array('#type' => 'textfield',
      '#title' => t('Your e-mail address'),
      '#maxlength' => 255,
      '#default_value' => $edit['mail'],
      '#required' => TRUE,
    );
    $form['subject'] = array('#type' => 'textfield',
      '#title' => t('Subject'),
      '#maxlength' => 255,
      '#required' => TRUE,
    );
    $form['message'] = array('#type' => 'textarea',
      '#title' => t('Message'),
      '#required' => TRUE,
    );
    $form['submit'] = array('#type' => 'submit',
      '#value' => t('Send e-mail'),
    );
    $output = drupal_get_form('email_mail_page', $form);
  }

  return $output;
}

/**
 * Validate the site-wide contact page form submission.
 */
function email_mail_page_validate($form_id, $form_values) {
  if (!valid_email_address($form_values['mail'])) {
    form_set_error('mail', t('You must enter a valid e-mail address.'));
  }
Matthias Hutterer's avatar
Matthias Hutterer committed
291
292
293
294
  if (preg_match("/\r|\n/", $form_values['subject']) || preg_match("/\r|\n/", $node->title)) {
    form_set_error('subject', t('The subject cannot contain linebreaks.'));
    watchdog('mail', 'Email injection exploit attempted in email form subject: '.check_plain($form_values['subject']), WATCHDOG_NOTICE);
  }
295
296
297
298
299
300
}

/**
 * Process the site-wide contact page form submission.
 */
function email_mail_page_submit($form_id, $edit) {
Matthias Hutterer's avatar
Matthias Hutterer committed
301
  $nid = intval(arg(1));
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
  $fieldname = arg(2);
  if (empty($nid) || empty($fieldname)) {
    drupal_not_found();
    return;
  }
  $node = node_load($nid);
  if (!$node) {
    drupal_not_found();
    return;
  }
  // Validate field name
  $types = content_types($node->type);
  if (!isset($types['fields'][$fieldname]) ||
      $types['fields'][$fieldname]['type'] != 'email' ||
      $types['fields'][$fieldname]['widget']['link_type'] != 'form') {
    drupal_not_found();
    return;
  }
  $field = $node->$fieldname;
  if (empty($field) || empty($field[0]['email'])) {
    drupal_not_found();
    return;
  }
  $email = $field[0]['email'];

  // E-mail address of the sender: as the form field is a text field,
  // all instances of \r and \n have been automatically stripped from it.
  $from = $edit['mail'];

  // Compose the body:
  $message[] = t("%name sent a message using the contact form at %form.", array('%name' => $edit['name'], '%form' => url($_GET['q'], NULL, NULL, TRUE)));
  $message[] = $edit['message'];

  // Tidy up the body:
  foreach ($message as $key => $value) {
    $message[$key] = wordwrap($value);
  }

  // Format the category:
  $subject = t('[%title - %contact] %subject', array('%title' => $node->title, '%contact' => $types['fields'][$fieldname]['widget']['label'], '%subject' => $edit['subject']));

  // Prepare the body:
  $body = implode("\n\n", $message);

  // Send the e-mail to the recipients:
  user_mail($email, $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");

  // Log the operation:
  flood_register_event('email');
  watchdog('mail', t('%name-from sent an e-mail at %form.', array('%name-from' => theme('placeholder', $edit['name'] ." <$from>"), '%form' => url($_GET['q'], NULL, NULL, TRUE))));

  // Update user:
  drupal_set_message(t('Your message has been sent.'));

  // Jump to home page rather than back to contact page to avoid contradictory messages if flood control has been activated.
  return 'node/'.$node->nid;
}
Matthias Hutterer's avatar
Matthias Hutterer committed
359
?>