summaryrefslogtreecommitdiff
path: root/src/PhpBB3.php
blob: f5f0df9dc4ca2938dccf3588a5854a653ae5e670 (plain)
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
<?php

require_once(__DIR__ . '/Util.php');

# phpBB setup
define('IN_PHPBB', true);
require_once(__DIR__ . '/PhpBB3Conf.php');
$phpEx = substr(strrchr(__FILE__, '.'), 1);
require_once($phpbb_root_path . 'common.' . $phpEx);
require_once($phpbb_root_path . 'includes/functions_posting.' . $phpEx);
require_once($phpbb_root_path . 'includes/functions_user.' . $phpEx);

class PhpBB3 {
  public function __construct() {
  }

  public function getUserId($from) {
    throw_if_null($from);

    global $db;

    $sql = 'SELECT user_id FROM ' . USERS_TABLE . ' ' .
           'WHERE user_email = "' . $db->sql_escape($from) . '"';

    $row = $this->get_exactly_one_row($sql);
    return $row ? $row['user_id'] : false;
  }

  public function getUserName($id) {
    throw_if_null($id);

    # NB: user_get_id_name is pass-by-reference; we copy $id to prevent
    # it from being modified, as we might need it for error messages
    $ids = array($id);
    $err = user_get_id_name($ids, $names);
    if ($err) {
      throw new Exception("Could not resolve user id $id: $err");
    }

    if (!array_key_exists($id, $names)) {
      throw new Exception("Unknown user id: $id");
    }

    return $names[$id];
  }

  public function getTopicAndForumIds($post_id) {
    throw_if_null($post_id);

    global $db;

    $sql = 'SELECT topic_id, forum_id FROM ' . POSTS_TABLE . ' ' .
           'WHERE post_id = ' . $post_id;

    $row = $this->get_exactly_one_row($sql);
    return $row;
  }

  public function forumExists($forumId) {
    throw_if_null($forumId);

    global $db;

    $sql = 'SELECT 1 FROM ' . FORUMS_TABLE . ' ' .
           'WHERE forum_id = ' . $forumId . ' LIMIT 1';

    $result = $db->sql_query($sql);
  
    $rows = $db->sql_fetchrowset($result);
    $db->sql_freeresult($result);

    switch (count($rows)) {
    case 0:
      return false;
    
    case 1:
      return true;
    
    default:
      # Should be impossible due to LIMIT 1.
      throw new Exception("Too many rows returned: $sql");
    }
  }

  public function topicExists($topicId) {
    throw_if_null($topicId);

    global $db;

    $sql = 'SELECT 1 FROM ' . TOPICS_TABLE . ' ' .
           'WHERE topic_id = ' . $topicId . ' LIMIT 1';

    $result = $db->sql_query($sql);
  
    $rows = $db->sql_fetchrowset($result);
    $db->sql_freeresult($result);

    switch (count($rows)) {
    case 0:
      return false;
    
    case 1:
      return true;
    
    default:
      # Should be impossible due to LIMIT 1.
      throw new Exception("Too many rows returned: $sql");
    }
  }

  public function getPostTime($postId) {
    throw_if_null($postId);

    global $db;

    $sql = 'SELECT post_time FROM ' . POSTS_TABLE . ' ' .
           'WHERE post_id = ' . $postId;

    $row = $this->get_exactly_one_row($sql);
    return $row ? $row['post_time'] : false;
  }

  public function getAttachmentData($attachId) {
    throw_if_null($attachId);

    global $db;
  
    $sql = 'SELECT physical_filename, real_filename, ' .
                  'attach_comment, mimetype, filesize ' .
           'FROM ' . ATTACHMENTS_TABLE .
           'WHERE attach_id = ' . $attachId;

    $row = $this->get_exactly_one_row($sql);
    return $row;
  }

  public function postMessage($postType, $forumId, $topicId, $msg) {
    throw_if_null($msg);

    if ($postType != 'post' && $postType != 'reply') {
      throw new Exception('bad post type: ' . $postType);
    }

    if (!$this->forumExists($forumId)) {
      throw new Exception('forum does not exist: ' . $forumId);
    } 

    if ($postType == 'reply' && !$this->topicExists($topicId)) {
      throw new Exception('topic does not exist: ' . $topicId);
    }

    $userId = $this->getUserId($msg->getFrom());
    if ($userId === false) {
      throw new Exception('unrecognized email address: ' . $msg->getFrom());
    }

    $userName = $this->getUserName($userId);
    if ($userName === false) {
      throw new Exception('unrecognized user id: ' . $userId);
    }

    $subject = $msg->getSubject(); 
    $message = 'foo'; # FIXME: fill in with acutal message contents

    # bring in the PhpBB globals
    global $phpEx, $phpbb_root_path, $user, $auth,
           $template, $cache, $db, $config;

    # authenticate ourselves
    $user->session_create($userId);
    $auth->acl($user->data);

    $subject = utf8_normalize_nfc($subject);
    $message = utf8_normalize_nfc($message);

    $uid = $bitfield = $options = '';

    generate_text_for_storage(
      $subject, $uid, $bitfield, $options, false, false, false
    );

    generate_text_for_storage(
      $message, $uid, $bitfield, $options, true, true, true
    );

    $postId = null;

    $data = array(
      'forum_id'         => $forumId,
      'topic_id'         => &$topicId,
      'post_id'          => &$postId,
      'icon_id'          => false,

      'enable_bbcode'    => true,
      'enable_smilies'   => true,
      'enable_urls'      => true,
      'enable_sig'       => true,

      'message'          => $message,
      'message_md5'      => md5($message),

      'bbcode_bitfield'  => $bitfield,
      'bbcode_uid'       => $uid,

      'post_edit_locked' => 0,
      'topic_title'      => $subject,
      'notify_set'       => false,
      'notify'           => false,
      'post_time'        => 0,
      'forum_name'       => '',
      'enable_indexing'  => true,
    );

    $poll = '';

    submit_post($postType, $subject, $userName, POST_NORMAL, $poll, $data);

    return $postId;
  }

  protected function get_exactly_one_row($sql) {
    global $db;

    $result = $db->sql_query($sql);
  
    $rows = $db->sql_fetchrowset($result);
    $db->sql_freeresult($result);

    switch (count($rows)) {
    case 0:
      return false;

    case 1:
      return $rows[0];

    default:
      throw new Exception("Too many rows returned: $sql");
    }
  }
}

?>