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1 | <?php |
2 | /** |
3 | * |
4 | * This file is part of the phpBB Forum Software package. |
5 | * |
6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
7 | * @license GNU General Public License, version 2 (GPL-2.0) |
8 | * |
9 | * For full copyright and license information, please see |
10 | * the docs/CREDITS.txt file. |
11 | * |
12 | */ |
13 | |
14 | /** |
15 | * @ignore |
16 | */ |
17 | |
18 | use phpbb\attachment\attachment_category; |
19 | |
20 | if (!defined('IN_PHPBB')) |
21 | { |
22 | exit; |
23 | } |
24 | |
25 | /** |
26 | * gen_sort_selects() |
27 | * make_jumpbox() |
28 | * bump_topic_allowed() |
29 | * get_context() |
30 | * phpbb_clean_search_string() |
31 | * decode_message() |
32 | * strip_bbcode() |
33 | * generate_text_for_display() |
34 | * generate_text_for_storage() |
35 | * generate_text_for_edit() |
36 | * make_clickable_callback() |
37 | * make_clickable() |
38 | * censor_text() |
39 | * bbcode_nl2br() |
40 | * smiley_text() |
41 | * parse_attachments() |
42 | * extension_allowed() |
43 | * truncate_string() |
44 | * get_username_string() |
45 | * class bitfield |
46 | */ |
47 | |
48 | /** |
49 | * Generate sort selection fields |
50 | */ |
51 | function gen_sort_selects(&$limit_days, &$sort_by_text, &$sort_days, &$sort_key, &$sort_dir, &$s_limit_days, &$s_sort_key, &$s_sort_dir, &$u_sort_param, $def_st = false, $def_sk = false, $def_sd = false) |
52 | { |
53 | global $user, $phpbb_dispatcher; |
54 | |
55 | $sort_dir_text = array('a' => $user->lang['ASCENDING'], 'd' => $user->lang['DESCENDING']); |
56 | |
57 | $sorts = array( |
58 | 'st' => array( |
59 | 'key' => 'sort_days', |
60 | 'default' => $def_st, |
61 | 'options' => $limit_days, |
62 | 'output' => &$s_limit_days, |
63 | ), |
64 | |
65 | 'sk' => array( |
66 | 'key' => 'sort_key', |
67 | 'default' => $def_sk, |
68 | 'options' => $sort_by_text, |
69 | 'output' => &$s_sort_key, |
70 | ), |
71 | |
72 | 'sd' => array( |
73 | 'key' => 'sort_dir', |
74 | 'default' => $def_sd, |
75 | 'options' => $sort_dir_text, |
76 | 'output' => &$s_sort_dir, |
77 | ), |
78 | ); |
79 | $u_sort_param = ''; |
80 | |
81 | foreach ($sorts as $name => $sort_ary) |
82 | { |
83 | $key = $sort_ary['key']; |
84 | $selected = ${$sort_ary['key']}; |
85 | |
86 | // Check if the key is selectable. If not, we reset to the default or first key found. |
87 | // This ensures the values are always valid. We also set $sort_dir/sort_key/etc. to the |
88 | // correct value, else the protection is void. ;) |
89 | if (!isset($sort_ary['options'][$selected])) |
90 | { |
91 | if ($sort_ary['default'] !== false) |
92 | { |
93 | $selected = ${$key} = $sort_ary['default']; |
94 | } |
95 | else |
96 | { |
97 | @reset($sort_ary['options']); |
98 | $selected = ${$key} = key($sort_ary['options']); |
99 | } |
100 | } |
101 | |
102 | $sort_ary['output'] = '<select name="' . $name . '" id="' . $name . '">'; |
103 | foreach ($sort_ary['options'] as $option => $text) |
104 | { |
105 | $sort_ary['output'] .= '<option value="' . $option . '"' . (($selected == $option) ? ' selected="selected"' : '') . '>' . $text . '</option>'; |
106 | } |
107 | $sort_ary['output'] .= '</select>'; |
108 | |
109 | $u_sort_param .= ($selected !== $sort_ary['default']) ? ((strlen($u_sort_param)) ? '&' : '') . "{$name}={$selected}" : ''; |
110 | } |
111 | |
112 | /** |
113 | * Run code before generated sort selects are returned |
114 | * |
115 | * @event core.gen_sort_selects_after |
116 | * @var int limit_days Days limit |
117 | * @var array sort_by_text Sort by text options |
118 | * @var int sort_days Sort by days flag |
119 | * @var string sort_key Sort key |
120 | * @var string sort_dir Sort dir |
121 | * @var string s_limit_days String of days limit |
122 | * @var string s_sort_key String of sort key |
123 | * @var string s_sort_dir String of sort dir |
124 | * @var string u_sort_param Sort URL params |
125 | * @var bool def_st Default sort days |
126 | * @var bool def_sk Default sort key |
127 | * @var bool def_sd Default sort dir |
128 | * @var array sorts Sorts |
129 | * @since 3.1.9-RC1 |
130 | */ |
131 | $vars = array( |
132 | 'limit_days', |
133 | 'sort_by_text', |
134 | 'sort_days', |
135 | 'sort_key', |
136 | 'sort_dir', |
137 | 's_limit_days', |
138 | 's_sort_key', |
139 | 's_sort_dir', |
140 | 'u_sort_param', |
141 | 'def_st', |
142 | 'def_sk', |
143 | 'def_sd', |
144 | 'sorts', |
145 | ); |
146 | extract($phpbb_dispatcher->trigger_event('core.gen_sort_selects_after', compact($vars))); |
147 | } |
148 | |
149 | /** |
150 | * Generate Jumpbox |
151 | */ |
152 | function make_jumpbox($action, $forum_id = false, $select_all = false, $acl_list = false, $force_display = false) |
153 | { |
154 | global $config, $auth, $template, $user, $db, $phpbb_path_helper, $phpbb_dispatcher; |
155 | |
156 | // We only return if the jumpbox is not forced to be displayed (in case it is needed for functionality) |
157 | if (!$config['load_jumpbox'] && $force_display === false) |
158 | { |
159 | return; |
160 | } |
161 | |
162 | $sql = 'SELECT forum_id, forum_name, parent_id, forum_type, left_id, right_id |
163 | FROM ' . FORUMS_TABLE . ' |
164 | ORDER BY left_id ASC'; |
165 | $result = $db->sql_query($sql, 600); |
166 | |
167 | $rowset = array(); |
168 | while ($row = $db->sql_fetchrow($result)) |
169 | { |
170 | $rowset[(int) $row['forum_id']] = $row; |
171 | } |
172 | $db->sql_freeresult($result); |
173 | |
174 | $right = $padding = 0; |
175 | $padding_store = array('0' => 0); |
176 | $display_jumpbox = false; |
177 | $iteration = 0; |
178 | |
179 | /** |
180 | * Modify the jumpbox forum list data |
181 | * |
182 | * @event core.make_jumpbox_modify_forum_list |
183 | * @var array rowset Array with the forums list data |
184 | * @since 3.1.10-RC1 |
185 | */ |
186 | $vars = array('rowset'); |
187 | extract($phpbb_dispatcher->trigger_event('core.make_jumpbox_modify_forum_list', compact($vars))); |
188 | |
189 | // Sometimes it could happen that forums will be displayed here not be displayed within the index page |
190 | // This is the result of forums not displayed at index, having list permissions and a parent of a forum with no permissions. |
191 | // If this happens, the padding could be "broken" |
192 | |
193 | foreach ($rowset as $row) |
194 | { |
195 | if ($row['left_id'] < $right) |
196 | { |
197 | $padding++; |
198 | $padding_store[$row['parent_id']] = $padding; |
199 | } |
200 | else if ($row['left_id'] > $right + 1) |
201 | { |
202 | // Ok, if the $padding_store for this parent is empty there is something wrong. For now we will skip over it. |
203 | // @todo digging deep to find out "how" this can happen. |
204 | $padding = (isset($padding_store[$row['parent_id']])) ? $padding_store[$row['parent_id']] : $padding; |
205 | } |
206 | |
207 | $right = $row['right_id']; |
208 | |
209 | if ($row['forum_type'] == FORUM_CAT && ($row['left_id'] + 1 == $row['right_id'])) |
210 | { |
211 | // Non-postable forum with no subforums, don't display |
212 | continue; |
213 | } |
214 | |
215 | if (!$auth->acl_get('f_list', $row['forum_id'])) |
216 | { |
217 | // if the user does not have permissions to list this forum skip |
218 | continue; |
219 | } |
220 | |
221 | if ($acl_list && !$auth->acl_gets($acl_list, $row['forum_id'])) |
222 | { |
223 | continue; |
224 | } |
225 | |
226 | $tpl_ary = array(); |
227 | if (!$display_jumpbox) |
228 | { |
229 | $tpl_ary[] = array( |
230 | 'FORUM_ID' => ($select_all) ? 0 : -1, |
231 | 'FORUM_NAME' => ($select_all) ? $user->lang['ALL_FORUMS'] : $user->lang['SELECT_FORUM'], |
232 | 'S_FORUM_COUNT' => $iteration, |
233 | 'LINK' => $phpbb_path_helper->append_url_params($action, array('f' => $forum_id)), |
234 | ); |
235 | |
236 | $iteration++; |
237 | $display_jumpbox = true; |
238 | } |
239 | |
240 | $tpl_ary[] = array( |
241 | 'FORUM_ID' => $row['forum_id'], |
242 | 'FORUM_NAME' => $row['forum_name'], |
243 | 'SELECTED' => ($row['forum_id'] == $forum_id) ? ' selected="selected"' : '', |
244 | 'S_FORUM_COUNT' => $iteration, |
245 | 'S_IS_CAT' => ($row['forum_type'] == FORUM_CAT) ? true : false, |
246 | 'S_IS_LINK' => ($row['forum_type'] == FORUM_LINK) ? true : false, |
247 | 'S_IS_POST' => ($row['forum_type'] == FORUM_POST) ? true : false, |
248 | 'LINK' => $phpbb_path_helper->append_url_params($action, array('f' => $row['forum_id'])), |
249 | ); |
250 | |
251 | /** |
252 | * Modify the jumpbox before it is assigned to the template |
253 | * |
254 | * @event core.make_jumpbox_modify_tpl_ary |
255 | * @var array row The data of the forum |
256 | * @var array tpl_ary Template data of the forum |
257 | * @since 3.1.10-RC1 |
258 | */ |
259 | $vars = array( |
260 | 'row', |
261 | 'tpl_ary', |
262 | ); |
263 | extract($phpbb_dispatcher->trigger_event('core.make_jumpbox_modify_tpl_ary', compact($vars))); |
264 | |
265 | $template->assign_block_vars_array('jumpbox_forums', $tpl_ary); |
266 | |
267 | unset($tpl_ary); |
268 | |
269 | for ($i = 0; $i < $padding; $i++) |
270 | { |
271 | $template->assign_block_vars('jumpbox_forums.level', array()); |
272 | } |
273 | $iteration++; |
274 | } |
275 | unset($padding_store, $rowset); |
276 | |
277 | $url_parts = $phpbb_path_helper->get_url_parts($action); |
278 | |
279 | $template->assign_vars(array( |
280 | 'S_DISPLAY_JUMPBOX' => $display_jumpbox, |
281 | 'S_JUMPBOX_ACTION' => $action, |
282 | 'HIDDEN_FIELDS_FOR_JUMPBOX' => build_hidden_fields($url_parts['params']), |
283 | )); |
284 | } |
285 | |
286 | /** |
287 | * Bump Topic Check - used by posting and viewtopic |
288 | */ |
289 | function bump_topic_allowed($forum_id, $topic_bumped, $last_post_time, $topic_poster, $last_topic_poster) |
290 | { |
291 | global $config, $auth, $user; |
292 | |
293 | // Check permission and make sure the last post was not already bumped |
294 | if (!$auth->acl_get('f_bump', $forum_id) || $topic_bumped) |
295 | { |
296 | return false; |
297 | } |
298 | |
299 | // Check bump time range, is the user really allowed to bump the topic at this time? |
300 | $bump_time = ($config['bump_type'] == 'm') ? $config['bump_interval'] * 60 : (($config['bump_type'] == 'h') ? $config['bump_interval'] * 3600 : $config['bump_interval'] * 86400); |
301 | |
302 | // Check bump time |
303 | if ($last_post_time + $bump_time > time()) |
304 | { |
305 | return false; |
306 | } |
307 | |
308 | // Check bumper, only topic poster and last poster are allowed to bump |
309 | if ($topic_poster != $user->data['user_id'] && $last_topic_poster != $user->data['user_id']) |
310 | { |
311 | return false; |
312 | } |
313 | |
314 | // A bump time of 0 will completely disable the bump feature... not intended but might be useful. |
315 | return $bump_time; |
316 | } |
317 | |
318 | /** |
319 | * Generates a text with approx. the specified length which contains the specified words and their context |
320 | * |
321 | * @param string $text The full text from which context shall be extracted |
322 | * @param array $words An array of words which should be contained in the result, has to be a valid part of a PCRE pattern (escape with preg_quote!) |
323 | * @param int $length The desired length of the resulting text, however the result might be shorter or longer than this value |
324 | * |
325 | * @return string Context of the specified words separated by "..." |
326 | */ |
327 | function get_context(string $text, array $words, int $length = 400): string |
328 | { |
329 | if ($length <= 0) |
330 | { |
331 | return $text; |
332 | } |
333 | |
334 | // We need to turn the entities back into their original form, to not cut the message in between them |
335 | $text = htmlspecialchars_decode($text); |
336 | |
337 | // Replace all spaces/invisible characters with single spaces |
338 | $text = preg_replace("/[\p{Z}\h\v]+/u", ' ', $text); |
339 | |
340 | $text_length = utf8_strlen($text); |
341 | |
342 | // Get first occurrence of each word |
343 | $word_indexes = []; |
344 | foreach ($words as $word) |
345 | { |
346 | $pos = utf8_stripos($text, $word); |
347 | |
348 | if ($pos !== false) |
349 | { |
350 | $word_indexes[$pos] = $word; |
351 | } |
352 | } |
353 | if (!empty($word_indexes)) |
354 | { |
355 | ksort($word_indexes); |
356 | |
357 | // Size of the fragment of text per word |
358 | $num_indexes = count($word_indexes); |
359 | $characters_per_word = (int) ($length / $num_indexes) + 2; // 2 to leave one character of margin at the sides to don't cut words |
360 | |
361 | // Get text fragment indexes |
362 | $fragments = []; |
363 | foreach ($word_indexes as $index => $word) |
364 | { |
365 | $word_length = utf8_strlen($word); |
366 | $start = max(0, min($text_length - 1 - $characters_per_word, (int) ($index + ($word_length / 2) - ($characters_per_word / 2)))); |
367 | $end = $start + $characters_per_word; |
368 | |
369 | // Check if we can merge this fragment into the previous fragment |
370 | if (!empty($fragments)) |
371 | { |
372 | [$prev_start, $prev_end] = end($fragments); |
373 | |
374 | if ($prev_end + $characters_per_word >= $index + $word_length) |
375 | { |
376 | array_pop($fragments); |
377 | $start = $prev_start; |
378 | $end = $prev_end + $characters_per_word; |
379 | } |
380 | } |
381 | |
382 | $fragments[] = [$start, $end]; |
383 | } |
384 | } |
385 | else |
386 | { |
387 | // There is no coincidences, so we just create a fragment with the first $length characters |
388 | $fragments[] = [0, $length]; |
389 | $end = $length; |
390 | } |
391 | |
392 | $output = []; |
393 | foreach ($fragments as [$start, $end]) |
394 | { |
395 | $fragment = utf8_substr($text, $start, $end - $start + 1); |
396 | |
397 | $fragment_start = 0; |
398 | $fragment_end = $end - $start + 1; |
399 | |
400 | // Find the first valid alphanumeric character in the fragment to don't cut words |
401 | if ($start > 0 && preg_match('/[^\p{L}\p{N}][\p{L}\p{N}]/u', $fragment, $matches, PREG_OFFSET_CAPTURE)) |
402 | { |
403 | $fragment_start = utf8_strlen(substr($fragment, 0, (int) $matches[0][1])) + 1; |
404 | } |
405 | |
406 | // Find the last valid alphanumeric character in the fragment to don't cut words |
407 | if ($end < $text_length - 1 && preg_match_all('/[\p{L}\p{N}][^\p{L}\p{N}]/u', $fragment, $matches, PREG_OFFSET_CAPTURE)) |
408 | { |
409 | $fragment_end = utf8_strlen(substr($fragment, 0, end($matches[0])[1])); |
410 | } |
411 | |
412 | $output[] = utf8_substr($fragment, $fragment_start, $fragment_end - $fragment_start + 1); |
413 | } |
414 | |
415 | return ($fragments[0][0] !== 0 ? '... ' : '') . utf8_htmlspecialchars(implode(' ... ', $output)) . ($end < $text_length - 1 ? ' ...' : ''); |
416 | } |
417 | |
418 | /** |
419 | * Cleans a search string by removing single wildcards from it and replacing multiple spaces with a single one. |
420 | * |
421 | * @param string $search_string The full search string which should be cleaned. |
422 | * |
423 | * @return string The cleaned search string without any wildcards and multiple spaces. |
424 | */ |
425 | function phpbb_clean_search_string($search_string) |
426 | { |
427 | // This regular expressions matches every single wildcard. |
428 | // That means one after a whitespace or the beginning of the string or one before a whitespace or the end of the string. |
429 | $search_string = preg_replace('#(?<=^|\s)\*+(?=\s|$)#', '', $search_string); |
430 | $search_string = trim($search_string); |
431 | $search_string = preg_replace(array('#\s+#u', '#\*+#u'), array(' ', '*'), $search_string); |
432 | return $search_string; |
433 | } |
434 | |
435 | /** |
436 | * Decode text whereby text is coming from the db and expected to be pre-parsed content |
437 | * We are placing this outside of the message parser because we are often in need of it... |
438 | * |
439 | * NOTE: special chars are kept encoded |
440 | * |
441 | * @param string &$message Original message, passed by reference |
442 | * @param string $bbcode_uid BBCode UID |
443 | * @return void |
444 | */ |
445 | function decode_message(&$message, $bbcode_uid = '') |
446 | { |
447 | global $phpbb_container, $phpbb_dispatcher; |
448 | |
449 | /** |
450 | * Use this event to modify the message before it is decoded |
451 | * |
452 | * @event core.decode_message_before |
453 | * @var string message_text The message content |
454 | * @var string bbcode_uid The message BBCode UID |
455 | * @since 3.1.9-RC1 |
456 | */ |
457 | $message_text = $message; |
458 | $vars = array('message_text', 'bbcode_uid'); |
459 | extract($phpbb_dispatcher->trigger_event('core.decode_message_before', compact($vars))); |
460 | $message = $message_text; |
461 | |
462 | if (preg_match('#^<[rt][ >]#', $message)) |
463 | { |
464 | $message = htmlspecialchars($phpbb_container->get('text_formatter.utils')->unparse($message), ENT_COMPAT); |
465 | } |
466 | else |
467 | { |
468 | if ($bbcode_uid) |
469 | { |
470 | $match = array('<br />', "[/*:m:$bbcode_uid]", ":u:$bbcode_uid", ":o:$bbcode_uid", ":$bbcode_uid"); |
471 | $replace = array("\n", '', '', '', ''); |
472 | } |
473 | else |
474 | { |
475 | $match = array('<br />'); |
476 | $replace = array("\n"); |
477 | } |
478 | |
479 | $message = str_replace($match, $replace, $message); |
480 | |
481 | $match = get_preg_expression('bbcode_htm'); |
482 | $replace = array('\1', '\1', '\2', '\2', '\1', '', ''); |
483 | |
484 | $message = preg_replace($match, $replace, $message); |
485 | } |
486 | |
487 | /** |
488 | * Use this event to modify the message after it is decoded |
489 | * |
490 | * @event core.decode_message_after |
491 | * @var string message_text The message content |
492 | * @var string bbcode_uid The message BBCode UID |
493 | * @since 3.1.9-RC1 |
494 | */ |
495 | $message_text = $message; |
496 | $vars = array('message_text', 'bbcode_uid'); |
497 | extract($phpbb_dispatcher->trigger_event('core.decode_message_after', compact($vars))); |
498 | $message = $message_text; |
499 | } |
500 | |
501 | /** |
502 | * Strips all bbcode from a text in place |
503 | */ |
504 | function strip_bbcode(&$text, $uid = '') |
505 | { |
506 | global $phpbb_container; |
507 | |
508 | if (preg_match('#^<[rt][ >]#', $text)) |
509 | { |
510 | $text = utf8_htmlspecialchars($phpbb_container->get('text_formatter.utils')->clean_formatting($text)); |
511 | } |
512 | else |
513 | { |
514 | if (!$uid) |
515 | { |
516 | $uid = '[0-9a-z]{5,}'; |
517 | } |
518 | |
519 | $text = preg_replace("#\[\/?[a-z0-9\*\+\-]+(?:=(?:".*"|[^\]]*))?(?::[a-z])?(\:$uid)\]#", ' ', $text); |
520 | |
521 | $match = get_preg_expression('bbcode_htm'); |
522 | $replace = array('\1', '\1', '\2', '\1', '', ''); |
523 | |
524 | $text = preg_replace($match, $replace, $text); |
525 | } |
526 | } |
527 | |
528 | /** |
529 | * For display of custom parsed text on user-facing pages |
530 | * Expects $text to be the value directly from the database (stored value) |
531 | * |
532 | * @return string Generated text |
533 | */ |
534 | function generate_text_for_display($text, $uid, $bitfield, $flags, $censor_text = true) |
535 | { |
536 | static $bbcode; |
537 | global $auth, $config, $user; |
538 | global $phpbb_dispatcher, $phpbb_container; |
539 | |
540 | if ($text === '') |
541 | { |
542 | return ''; |
543 | } |
544 | |
545 | /** |
546 | * Use this event to modify the text before it is parsed |
547 | * |
548 | * @event core.modify_text_for_display_before |
549 | * @var string text The text to parse |
550 | * @var string uid The BBCode UID |
551 | * @var string bitfield The BBCode Bitfield |
552 | * @var int flags The BBCode Flags |
553 | * @var bool censor_text Whether or not to apply word censors |
554 | * @since 3.1.0-a1 |
555 | */ |
556 | $vars = array('text', 'uid', 'bitfield', 'flags', 'censor_text'); |
557 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_before', compact($vars))); |
558 | |
559 | if (preg_match('#^<[rt][ >]#', $text)) |
560 | { |
561 | $renderer = $phpbb_container->get('text_formatter.renderer'); |
562 | |
563 | // Temporarily switch off viewcensors if applicable |
564 | $old_censor = $renderer->get_viewcensors(); |
565 | |
566 | // Check here if the user is having viewing censors disabled (and also allowed to do so). |
567 | if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) |
568 | { |
569 | $censor_text = false; |
570 | } |
571 | |
572 | if ($old_censor !== $censor_text) |
573 | { |
574 | $renderer->set_viewcensors($censor_text); |
575 | } |
576 | |
577 | $text = $renderer->render($text); |
578 | |
579 | // Restore the previous value |
580 | if ($old_censor !== $censor_text) |
581 | { |
582 | $renderer->set_viewcensors($old_censor); |
583 | } |
584 | } |
585 | else |
586 | { |
587 | if ($censor_text) |
588 | { |
589 | $text = censor_text($text); |
590 | } |
591 | |
592 | // Parse bbcode if bbcode uid stored and bbcode enabled |
593 | if ($uid && ($flags & OPTION_FLAG_BBCODE)) |
594 | { |
595 | if (!class_exists('bbcode')) |
596 | { |
597 | global $phpbb_root_path, $phpEx; |
598 | include($phpbb_root_path . 'includes/bbcode.' . $phpEx); |
599 | } |
600 | |
601 | if (empty($bbcode)) |
602 | { |
603 | $bbcode = new bbcode($bitfield); |
604 | } |
605 | else |
606 | { |
607 | $bbcode->bbcode_set_bitfield($bitfield); |
608 | } |
609 | |
610 | $bbcode->bbcode_second_pass($text, $uid); |
611 | } |
612 | |
613 | $text = bbcode_nl2br($text); |
614 | $text = smiley_text($text, !($flags & OPTION_FLAG_SMILIES)); |
615 | } |
616 | |
617 | /** |
618 | * Use this event to modify the text after it is parsed |
619 | * |
620 | * @event core.modify_text_for_display_after |
621 | * @var string text The text to parse |
622 | * @var string uid The BBCode UID |
623 | * @var string bitfield The BBCode Bitfield |
624 | * @var int flags The BBCode Flags |
625 | * @since 3.1.0-a1 |
626 | */ |
627 | $vars = array('text', 'uid', 'bitfield', 'flags'); |
628 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_after', compact($vars))); |
629 | |
630 | return $text; |
631 | } |
632 | |
633 | /** |
634 | * For parsing custom parsed text to be stored within the database. |
635 | * This function additionally returns the uid and bitfield that needs to be stored. |
636 | * Expects $text to be the value directly from $request->variable() and in it's non-parsed form |
637 | * |
638 | * @param string $text The text to be replaced with the parsed one |
639 | * @param string $uid The BBCode uid for this parse |
640 | * @param string $bitfield The BBCode bitfield for this parse |
641 | * @param int $flags The allow_bbcode, allow_urls and allow_smilies compiled into a single integer. |
642 | * @param bool $allow_bbcode If BBCode is allowed (i.e. if BBCode is parsed) |
643 | * @param bool $allow_urls If urls is allowed |
644 | * @param bool $allow_smilies If smilies are allowed |
645 | * @param bool $allow_img_bbcode |
646 | * @param bool $allow_quote_bbcode |
647 | * @param bool $allow_url_bbcode |
648 | * @param string $mode Mode to parse text as, e.g. post or sig |
649 | * |
650 | * @return array An array of string with the errors that occurred while parsing |
651 | */ |
652 | function generate_text_for_storage(&$text, &$uid, &$bitfield, &$flags, $allow_bbcode = false, $allow_urls = false, $allow_smilies = false, $allow_img_bbcode = true, $allow_quote_bbcode = true, $allow_url_bbcode = true, $mode = 'post') |
653 | { |
654 | global $phpbb_root_path, $phpEx, $phpbb_dispatcher; |
655 | |
656 | /** |
657 | * Use this event to modify the text before it is prepared for storage |
658 | * |
659 | * @event core.modify_text_for_storage_before |
660 | * @var string text The text to parse |
661 | * @var string uid The BBCode UID |
662 | * @var string bitfield The BBCode Bitfield |
663 | * @var int flags The BBCode Flags |
664 | * @var bool allow_bbcode Whether or not to parse BBCode |
665 | * @var bool allow_urls Whether or not to parse URLs |
666 | * @var bool allow_smilies Whether or not to parse Smilies |
667 | * @var bool allow_img_bbcode Whether or not to parse the [img] BBCode |
668 | * @var bool allow_quote_bbcode Whether or not to parse the [quote] BBCode |
669 | * @var bool allow_url_bbcode Whether or not to parse the [url] BBCode |
670 | * @var string mode Mode to parse text as, e.g. post or sig |
671 | * @since 3.1.0-a1 |
672 | * @changed 3.2.0-a1 Added mode |
673 | * @changed 4.0.0-a1 Removed allow_flash_bbcode |
674 | */ |
675 | $vars = array( |
676 | 'text', |
677 | 'uid', |
678 | 'bitfield', |
679 | 'flags', |
680 | 'allow_bbcode', |
681 | 'allow_urls', |
682 | 'allow_smilies', |
683 | 'allow_img_bbcode', |
684 | 'allow_quote_bbcode', |
685 | 'allow_url_bbcode', |
686 | 'mode', |
687 | ); |
688 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_before', compact($vars))); |
689 | |
690 | $uid = $bitfield = ''; |
691 | $flags = (($allow_bbcode) ? OPTION_FLAG_BBCODE : 0) + (($allow_smilies) ? OPTION_FLAG_SMILIES : 0) + (($allow_urls) ? OPTION_FLAG_LINKS : 0); |
692 | |
693 | if (!class_exists('parse_message')) |
694 | { |
695 | include($phpbb_root_path . 'includes/message_parser.' . $phpEx); |
696 | } |
697 | |
698 | $message_parser = new parse_message($text); |
699 | $message_parser->parse($allow_bbcode, $allow_urls, $allow_smilies, $allow_img_bbcode, $allow_quote_bbcode, $allow_url_bbcode, true, $mode); |
700 | |
701 | $text = $message_parser->message; |
702 | $uid = $message_parser->bbcode_uid; |
703 | |
704 | // If the bbcode_bitfield is empty, there is no need for the uid to be stored. |
705 | if (!$message_parser->bbcode_bitfield) |
706 | { |
707 | $uid = ''; |
708 | } |
709 | |
710 | $bitfield = $message_parser->bbcode_bitfield; |
711 | |
712 | /** |
713 | * Use this event to modify the text after it is prepared for storage |
714 | * |
715 | * @event core.modify_text_for_storage_after |
716 | * @var string text The text to parse |
717 | * @var string uid The BBCode UID |
718 | * @var string bitfield The BBCode Bitfield |
719 | * @var int flags The BBCode Flags |
720 | * @var string message_parser The message_parser object |
721 | * @since 3.1.0-a1 |
722 | * @changed 3.1.11-RC1 Added message_parser to vars |
723 | */ |
724 | $vars = array('text', 'uid', 'bitfield', 'flags', 'message_parser'); |
725 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_after', compact($vars))); |
726 | |
727 | return $message_parser->warn_msg; |
728 | } |
729 | |
730 | /** |
731 | * For decoding custom parsed text for edits as well as extracting the flags |
732 | * Expects $text to be the value directly from the database (pre-parsed content) |
733 | */ |
734 | function generate_text_for_edit($text, $uid, $flags) |
735 | { |
736 | global $phpbb_dispatcher; |
737 | |
738 | /** |
739 | * Use this event to modify the text before it is decoded for editing |
740 | * |
741 | * @event core.modify_text_for_edit_before |
742 | * @var string text The text to parse |
743 | * @var string uid The BBCode UID |
744 | * @var int flags The BBCode Flags |
745 | * @since 3.1.0-a1 |
746 | */ |
747 | $vars = array('text', 'uid', 'flags'); |
748 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_before', compact($vars))); |
749 | |
750 | decode_message($text, $uid); |
751 | |
752 | /** |
753 | * Use this event to modify the text after it is decoded for editing |
754 | * |
755 | * @event core.modify_text_for_edit_after |
756 | * @var string text The text to parse |
757 | * @var int flags The BBCode Flags |
758 | * @since 3.1.0-a1 |
759 | */ |
760 | $vars = array('text', 'flags'); |
761 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_after', compact($vars))); |
762 | |
763 | return array( |
764 | 'allow_bbcode' => ($flags & OPTION_FLAG_BBCODE) ? 1 : 0, |
765 | 'allow_smilies' => ($flags & OPTION_FLAG_SMILIES) ? 1 : 0, |
766 | 'allow_urls' => ($flags & OPTION_FLAG_LINKS) ? 1 : 0, |
767 | 'text' => $text |
768 | ); |
769 | } |
770 | |
771 | /** |
772 | * A subroutine of make_clickable used with preg_replace |
773 | * It places correct HTML around an url, shortens the displayed text |
774 | * and makes sure no entities are inside URLs |
775 | */ |
776 | function make_clickable_callback($type, $whitespace, $url, $relative_url, $class) |
777 | { |
778 | $orig_url = $url; |
779 | $orig_relative = $relative_url; |
780 | $append = ''; |
781 | $url = html_entity_decode($url, ENT_COMPAT); |
782 | $relative_url = html_entity_decode($relative_url, ENT_COMPAT); |
783 | |
784 | // make sure no HTML entities were matched |
785 | $chars = array('<', '>', '"'); |
786 | $split = false; |
787 | |
788 | foreach ($chars as $char) |
789 | { |
790 | $next_split = strpos($url, $char); |
791 | if ($next_split !== false) |
792 | { |
793 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
794 | } |
795 | } |
796 | |
797 | if ($split !== false) |
798 | { |
799 | // an HTML entity was found, so the URL has to end before it |
800 | $append = substr($url, $split) . $relative_url; |
801 | $url = substr($url, 0, $split); |
802 | $relative_url = ''; |
803 | } |
804 | else if ($relative_url) |
805 | { |
806 | // same for $relative_url |
807 | $split = false; |
808 | foreach ($chars as $char) |
809 | { |
810 | $next_split = strpos($relative_url, $char); |
811 | if ($next_split !== false) |
812 | { |
813 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
814 | } |
815 | } |
816 | |
817 | if ($split !== false) |
818 | { |
819 | $append = substr($relative_url, $split); |
820 | $relative_url = substr($relative_url, 0, $split); |
821 | } |
822 | } |
823 | // if the last character of the url is a punctuation mark, exclude it from the url |
824 | $last_char = ($relative_url) ? $relative_url[strlen($relative_url) - 1] : $url[strlen($url) - 1]; |
825 | |
826 | switch ($last_char) |
827 | { |
828 | case '.': |
829 | case '?': |
830 | case '!': |
831 | case ':': |
832 | case ',': |
833 | $append = $last_char; |
834 | if ($relative_url) |
835 | { |
836 | $relative_url = substr($relative_url, 0, -1); |
837 | } |
838 | else |
839 | { |
840 | $url = substr($url, 0, -1); |
841 | } |
842 | break; |
843 | |
844 | // set last_char to empty here, so the variable can be used later to |
845 | // check whether a character was removed |
846 | default: |
847 | $last_char = ''; |
848 | break; |
849 | } |
850 | |
851 | $short_url = (utf8_strlen($url) > 55) ? utf8_substr($url, 0, 39) . ' ... ' . utf8_substr($url, -10) : $url; |
852 | |
853 | switch ($type) |
854 | { |
855 | case MAGIC_URL_LOCAL: |
856 | $tag = 'l'; |
857 | $relative_url = preg_replace('/[&?]sid=[0-9a-f]{32}$/', '', preg_replace('/([&?])sid=[0-9a-f]{32}&/', '$1', $relative_url)); |
858 | $url = $url . '/' . $relative_url; |
859 | $text = $relative_url; |
860 | |
861 | // this url goes to http://domain.tld/path/to/board/ which |
862 | // would result in an empty link if treated as local so |
863 | // don't touch it and let MAGIC_URL_FULL take care of it. |
864 | if (!$relative_url) |
865 | { |
866 | return $whitespace . $orig_url . '/' . $orig_relative; // slash is taken away by relative url pattern |
867 | } |
868 | break; |
869 | |
870 | case MAGIC_URL_FULL: |
871 | $tag = 'm'; |
872 | $text = $short_url; |
873 | break; |
874 | |
875 | case MAGIC_URL_WWW: |
876 | $tag = 'w'; |
877 | $url = 'http://' . $url; |
878 | $text = $short_url; |
879 | break; |
880 | |
881 | case MAGIC_URL_EMAIL: |
882 | $tag = 'e'; |
883 | $text = $short_url; |
884 | $url = 'mailto:' . $url; |
885 | break; |
886 | } |
887 | |
888 | $url = htmlspecialchars($url, ENT_COMPAT); |
889 | $text = htmlspecialchars($text, ENT_COMPAT); |
890 | $append = htmlspecialchars($append, ENT_COMPAT); |
891 | |
892 | $html = "$whitespace<!-- $tag --><a$class href=\"$url\">$text</a><!-- $tag -->$append"; |
893 | |
894 | return $html; |
895 | } |
896 | |
897 | /** |
898 | * Replaces magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx. |
899 | * Cuts down displayed size of link if over 50 chars, turns absolute links |
900 | * into relative versions when the server/script path matches the link |
901 | * |
902 | * @param string $text Message text to parse URL/email entries |
903 | * @param bool|string $server_url The server URL. If false, the board URL will be used |
904 | * @param string $class CSS class selector to add to the parsed URL entries |
905 | * |
906 | * @return string A text with parsed URL/email entries |
907 | */ |
908 | function make_clickable($text, $server_url = false, string $class = 'postlink') |
909 | { |
910 | if ($server_url === false) |
911 | { |
912 | $server_url = generate_board_url(); |
913 | } |
914 | |
915 | static $static_class; |
916 | static $magic_url_match_args; |
917 | |
918 | if (!isset($magic_url_match_args[$server_url]) || $static_class != $class) |
919 | { |
920 | $static_class = $class; |
921 | $class = ($static_class) ? ' class="' . $static_class . '"' : ''; |
922 | $local_class = ($static_class) ? ' class="' . $static_class . '-local"' : ''; |
923 | |
924 | if (!is_array($magic_url_match_args)) |
925 | { |
926 | $magic_url_match_args = array(); |
927 | } |
928 | |
929 | // Check if the match for this $server_url and $class already exists |
930 | $element_exists = false; |
931 | if (isset($magic_url_match_args[$server_url])) |
932 | { |
933 | array_walk_recursive($magic_url_match_args[$server_url], function($value) use (&$element_exists, $static_class) |
934 | { |
935 | if ($value == $static_class) |
936 | { |
937 | $element_exists = true; |
938 | } |
939 | } |
940 | ); |
941 | } |
942 | |
943 | // Only add new $server_url and $class matches if not exist |
944 | if (!$element_exists) |
945 | { |
946 | // relative urls for this board |
947 | $magic_url_match_args[$server_url][] = [ |
948 | '#(^|[\n\t (>.])(' . preg_quote($server_url, '#') . ')/(' . get_preg_expression('relative_url_inline') . ')#iu', |
949 | MAGIC_URL_LOCAL, |
950 | $local_class, |
951 | $static_class, |
952 | ]; |
953 | |
954 | // matches a xxxx://aaaaa.bbb.cccc. ... |
955 | $magic_url_match_args[$server_url][] = [ |
956 | '#(^|[\n\t (>.])(' . get_preg_expression('url_inline') . ')#iu', |
957 | MAGIC_URL_FULL, |
958 | $class, |
959 | $static_class, |
960 | ]; |
961 | |
962 | // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing |
963 | $magic_url_match_args[$server_url][] = [ |
964 | '#(^|[\n\t (>])(' . get_preg_expression('www_url_inline') . ')#iu', |
965 | MAGIC_URL_WWW, |
966 | $class, |
967 | $static_class, |
968 | ]; |
969 | } |
970 | |
971 | if (!isset($magic_url_match_args[$server_url]['email'])) |
972 | { |
973 | // matches an email@domain type address at the start of a line, or after a space or after what might be a BBCode. |
974 | $magic_url_match_args[$server_url]['email'] = [ |
975 | '/(^|[\n\t (>])(' . get_preg_expression('email') . ')/iu', |
976 | MAGIC_URL_EMAIL, |
977 | '', |
978 | ]; |
979 | } |
980 | } |
981 | |
982 | foreach ($magic_url_match_args[$server_url] as $magic_args) |
983 | { |
984 | if (preg_match($magic_args[0], $text, $matches)) |
985 | { |
986 | // Only apply $class from the corresponding function call argument (excepting emails which never has a class) |
987 | if ($magic_args[1] != MAGIC_URL_EMAIL && $magic_args[3] != $static_class) |
988 | { |
989 | continue; |
990 | } |
991 | |
992 | $text = preg_replace_callback($magic_args[0], function($matches) use ($magic_args) |
993 | { |
994 | $relative_url = isset($matches[3]) ? $matches[3] : ''; |
995 | return make_clickable_callback($magic_args[1], $matches[1], $matches[2], $relative_url, $magic_args[2]); |
996 | }, $text); |
997 | } |
998 | } |
999 | |
1000 | return $text; |
1001 | } |
1002 | |
1003 | /** |
1004 | * Censoring |
1005 | */ |
1006 | function censor_text($text) |
1007 | { |
1008 | static $censors; |
1009 | |
1010 | // Nothing to do? |
1011 | if ($text === '') |
1012 | { |
1013 | return ''; |
1014 | } |
1015 | |
1016 | // We moved the word censor checks in here because we call this function quite often - and then only need to do the check once |
1017 | if (!isset($censors) || !is_array($censors)) |
1018 | { |
1019 | global $config, $user, $auth, $cache; |
1020 | |
1021 | // We check here if the user is having viewing censors disabled (and also allowed to do so). |
1022 | if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) |
1023 | { |
1024 | $censors = array(); |
1025 | } |
1026 | else |
1027 | { |
1028 | $censors = $cache->obtain_word_list(); |
1029 | } |
1030 | } |
1031 | |
1032 | if (count($censors)) |
1033 | { |
1034 | return preg_replace($censors['match'], $censors['replace'], $text); |
1035 | } |
1036 | |
1037 | return $text; |
1038 | } |
1039 | |
1040 | /** |
1041 | * custom version of nl2br which takes custom BBCodes into account |
1042 | */ |
1043 | function bbcode_nl2br($text) |
1044 | { |
1045 | // custom BBCodes might contain carriage returns so they |
1046 | // are not converted into <br /> so now revert that |
1047 | $text = str_replace(array("\n", "\r"), array('<br />', "\n"), $text); |
1048 | return $text; |
1049 | } |
1050 | |
1051 | /** |
1052 | * Smiley processing |
1053 | */ |
1054 | function smiley_text($text, $force_option = false) |
1055 | { |
1056 | global $config, $user, $phpbb_path_helper, $phpbb_dispatcher; |
1057 | |
1058 | if ($force_option || !$config['allow_smilies'] || !$user->optionget('viewsmilies')) |
1059 | { |
1060 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $text); |
1061 | } |
1062 | else |
1063 | { |
1064 | $root_path = $phpbb_path_helper->get_web_root_path(); |
1065 | |
1066 | /** |
1067 | * Event to override the root_path for smilies |
1068 | * |
1069 | * @event core.smiley_text_root_path |
1070 | * @var string root_path root_path for smilies |
1071 | * @since 3.1.11-RC1 |
1072 | */ |
1073 | $vars = array('root_path'); |
1074 | extract($phpbb_dispatcher->trigger_event('core.smiley_text_root_path', compact($vars))); |
1075 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/(.*?) \/><!\-\- s\1 \-\->#', '<img class="smilies" src="' . $root_path . $config['smilies_path'] . '/\2 />', $text); |
1076 | } |
1077 | } |
1078 | |
1079 | /** |
1080 | * General attachment parsing |
1081 | * |
1082 | * @param mixed $forum_id The forum id the attachments are displayed in (false if in private message) |
1083 | * @param string &$message The post/private message |
1084 | * @param array &$attachments The attachments to parse for (inline) display. The attachments array will hold templated data after parsing. |
1085 | * @param array &$update_count_ary The attachment counts to be updated - will be filled |
1086 | * @param bool $preview If set to true the attachments are parsed for preview. Within preview mode the comments are fetched from the given $attachments array and not fetched from the database. |
1087 | */ |
1088 | function parse_attachments($forum_id, &$message, &$attachments, &$update_count_ary, $preview = false) |
1089 | { |
1090 | if (!count($attachments)) |
1091 | { |
1092 | return; |
1093 | } |
1094 | |
1095 | global $template, $cache, $user, $phpbb_dispatcher; |
1096 | global $extensions, $config, $phpbb_root_path, $phpEx; |
1097 | global $phpbb_container; |
1098 | |
1099 | $storage_attachment = $phpbb_container->get('storage.attachment'); |
1100 | |
1101 | /** @var \phpbb\controller\helper */ |
1102 | $controller_helper = $phpbb_container->get('controller.helper'); |
1103 | |
1104 | // |
1105 | $compiled_attachments = array(); |
1106 | |
1107 | if (!isset($template->filename['attachment_tpl'])) |
1108 | { |
1109 | $template->set_filenames(array( |
1110 | 'attachment_tpl' => 'attachment.html') |
1111 | ); |
1112 | } |
1113 | |
1114 | if (empty($extensions) || !is_array($extensions)) |
1115 | { |
1116 | $extensions = $cache->obtain_attach_extensions($forum_id); |
1117 | } |
1118 | |
1119 | // Look for missing attachment information... |
1120 | $attach_ids = array(); |
1121 | foreach ($attachments as $pos => $attachment) |
1122 | { |
1123 | // If is_orphan is set, we need to retrieve the attachments again... |
1124 | if (!isset($attachment['extension']) && !isset($attachment['physical_filename'])) |
1125 | { |
1126 | $attach_ids[(int) $attachment['attach_id']] = $pos; |
1127 | } |
1128 | } |
1129 | |
1130 | // Grab attachments (security precaution) |
1131 | if (count($attach_ids)) |
1132 | { |
1133 | global $db; |
1134 | |
1135 | $new_attachment_data = array(); |
1136 | |
1137 | $sql = 'SELECT * |
1138 | FROM ' . ATTACHMENTS_TABLE . ' |
1139 | WHERE ' . $db->sql_in_set('attach_id', array_keys($attach_ids)); |
1140 | $result = $db->sql_query($sql); |
1141 | |
1142 | while ($row = $db->sql_fetchrow($result)) |
1143 | { |
1144 | if (!isset($attach_ids[$row['attach_id']])) |
1145 | { |
1146 | continue; |
1147 | } |
1148 | |
1149 | // If we preview attachments we will set some retrieved values here |
1150 | if ($preview) |
1151 | { |
1152 | $row['attach_comment'] = $attachments[$attach_ids[$row['attach_id']]]['attach_comment']; |
1153 | } |
1154 | |
1155 | $new_attachment_data[$attach_ids[$row['attach_id']]] = $row; |
1156 | } |
1157 | $db->sql_freeresult($result); |
1158 | |
1159 | $attachments = $new_attachment_data; |
1160 | unset($new_attachment_data); |
1161 | } |
1162 | |
1163 | // Make sure attachments are properly ordered |
1164 | ksort($attachments); |
1165 | |
1166 | foreach ($attachments as $attachment) |
1167 | { |
1168 | if (!count($attachment)) |
1169 | { |
1170 | continue; |
1171 | } |
1172 | |
1173 | // We need to reset/empty the _file block var, because this function might be called more than once |
1174 | $template->destroy_block_vars('_file'); |
1175 | |
1176 | $block_array = array(); |
1177 | |
1178 | // Some basics... |
1179 | $attachment['extension'] = strtolower(trim($attachment['extension'])); |
1180 | $filename = utf8_basename($attachment['physical_filename']); |
1181 | |
1182 | $upload_icon = ''; |
1183 | $download_link = ''; |
1184 | $display_cat = false; |
1185 | |
1186 | if (isset($extensions[$attachment['extension']])) |
1187 | { |
1188 | if ($user->img('icon_topic_attach', '') && !$extensions[$attachment['extension']]['upload_icon']) |
1189 | { |
1190 | $upload_icon = $user->img('icon_topic_attach', ''); |
1191 | } |
1192 | else if ($extensions[$attachment['extension']]['upload_icon']) |
1193 | { |
1194 | $upload_icon = '<img src="' . $phpbb_root_path . $config['upload_icons_path'] . '/' . trim($extensions[$attachment['extension']]['upload_icon']) . '" alt="" />'; |
1195 | } |
1196 | } |
1197 | |
1198 | $filesize = get_formatted_filesize($attachment['filesize'], false); |
1199 | |
1200 | $comment = bbcode_nl2br(censor_text($attachment['attach_comment'])); |
1201 | |
1202 | $block_array += array( |
1203 | 'UPLOAD_ICON' => $upload_icon, |
1204 | 'FILESIZE' => $filesize['value'], |
1205 | 'MIMETYPE' => $attachment['mimetype'], |
1206 | 'SIZE_LANG' => $filesize['unit'], |
1207 | 'DOWNLOAD_NAME' => utf8_basename($attachment['real_filename']), |
1208 | 'COMMENT' => $comment, |
1209 | ); |
1210 | |
1211 | $denied = false; |
1212 | |
1213 | if (!extension_allowed($forum_id, $attachment['extension'], $extensions)) |
1214 | { |
1215 | $denied = true; |
1216 | |
1217 | $block_array += array( |
1218 | 'S_DENIED' => true, |
1219 | 'DENIED_MESSAGE' => sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) |
1220 | ); |
1221 | } |
1222 | |
1223 | if (!$denied) |
1224 | { |
1225 | $display_cat = $extensions[$attachment['extension']]['display_cat']; |
1226 | |
1227 | if ($display_cat == attachment_category::IMAGE) |
1228 | { |
1229 | if ($attachment['thumbnail']) |
1230 | { |
1231 | $display_cat = attachment_category::THUMB; |
1232 | } |
1233 | else |
1234 | { |
1235 | if ($config['img_display_inlined']) |
1236 | { |
1237 | $display_cat = attachment_category::IMAGE; |
1238 | } |
1239 | else |
1240 | { |
1241 | $display_cat = attachment_category::NONE; |
1242 | } |
1243 | } |
1244 | } |
1245 | |
1246 | // Make some descisions based on user options being set. |
1247 | if (($display_cat == attachment_category::IMAGE || $display_cat == attachment_category::THUMB) && !$user->optionget('viewimg')) |
1248 | { |
1249 | $display_cat = attachment_category::NONE; |
1250 | } |
1251 | |
1252 | $download_link = $controller_helper->route( |
1253 | 'phpbb_storage_attachment', |
1254 | [ |
1255 | 'id' => (int) $attachment['attach_id'], |
1256 | 'filename' => $attachment['real_filename'], |
1257 | ] |
1258 | ); |
1259 | $l_downloaded_viewed = 'VIEWED_COUNTS'; |
1260 | |
1261 | switch ($display_cat) |
1262 | { |
1263 | // Images |
1264 | case attachment_category::IMAGE: |
1265 | $inline_link = $controller_helper->route( |
1266 | 'phpbb_storage_attachment', |
1267 | [ |
1268 | 'id' => (int) $attachment['attach_id'], |
1269 | 'filename' => $attachment['real_filename'], |
1270 | ] |
1271 | ); |
1272 | |
1273 | $block_array += array( |
1274 | 'S_IMAGE' => true, |
1275 | 'U_INLINE_LINK' => $inline_link, |
1276 | ); |
1277 | |
1278 | $update_count_ary[] = $attachment['attach_id']; |
1279 | break; |
1280 | |
1281 | // Images, but display Thumbnail |
1282 | case attachment_category::THUMB: |
1283 | $thumbnail_link = $controller_helper->route( |
1284 | 'phpbb_storage_attachment', |
1285 | [ |
1286 | 'id' => (int) $attachment['attach_id'], |
1287 | 'filename' => $attachment['real_filename'], |
1288 | 't' => 1, |
1289 | ] |
1290 | ); |
1291 | |
1292 | $block_array += array( |
1293 | 'S_THUMBNAIL' => true, |
1294 | 'THUMB_IMAGE' => $thumbnail_link, |
1295 | ); |
1296 | |
1297 | $update_count_ary[] = $attachment['attach_id']; |
1298 | break; |
1299 | |
1300 | // Audio files |
1301 | case attachment_category::AUDIO: |
1302 | $block_array += [ |
1303 | 'S_AUDIO_FILE' => true, |
1304 | ]; |
1305 | |
1306 | $update_count_ary[] = $attachment['attach_id']; |
1307 | break; |
1308 | |
1309 | // Video files |
1310 | case attachment_category::VIDEO: |
1311 | $block_array += [ |
1312 | 'S_VIDEO_FILE' => true, |
1313 | ]; |
1314 | |
1315 | $update_count_ary[] = $attachment['attach_id']; |
1316 | break; |
1317 | |
1318 | default: |
1319 | $l_downloaded_viewed = 'DOWNLOAD_COUNTS'; |
1320 | |
1321 | $block_array += array( |
1322 | 'S_FILE' => true, |
1323 | ); |
1324 | break; |
1325 | } |
1326 | |
1327 | if (!isset($attachment['download_count'])) |
1328 | { |
1329 | $attachment['download_count'] = 0; |
1330 | } |
1331 | |
1332 | $block_array += array( |
1333 | 'U_DOWNLOAD_LINK' => $download_link, |
1334 | 'L_DOWNLOAD_COUNT' => $user->lang($l_downloaded_viewed, (int) $attachment['download_count']), |
1335 | ); |
1336 | } |
1337 | |
1338 | $update_count = $update_count_ary; |
1339 | /** |
1340 | * Use this event to modify the attachment template data. |
1341 | * |
1342 | * This event is triggered once per attachment. |
1343 | * |
1344 | * @event core.parse_attachments_modify_template_data |
1345 | * @var array attachment Array with attachment data |
1346 | * @var array block_array Template data of the attachment |
1347 | * @var int display_cat Attachment category data |
1348 | * @var string download_link Attachment download link |
1349 | * @var array extensions Array with attachment extensions data |
1350 | * @var mixed forum_id The forum id the attachments are displayed in (false if in private message) |
1351 | * @var bool preview Flag indicating if we are in post preview mode |
1352 | * @var array update_count Array with attachment ids to update download count |
1353 | * @since 3.1.0-RC5 |
1354 | */ |
1355 | $vars = array( |
1356 | 'attachment', |
1357 | 'block_array', |
1358 | 'display_cat', |
1359 | 'download_link', |
1360 | 'extensions', |
1361 | 'forum_id', |
1362 | 'preview', |
1363 | 'update_count', |
1364 | ); |
1365 | extract($phpbb_dispatcher->trigger_event('core.parse_attachments_modify_template_data', compact($vars))); |
1366 | $update_count_ary = $update_count; |
1367 | unset($update_count, $display_cat, $download_link); |
1368 | |
1369 | $template->assign_block_vars('_file', $block_array); |
1370 | |
1371 | $compiled_attachments[] = $template->assign_display('attachment_tpl'); |
1372 | } |
1373 | |
1374 | $attachments = $compiled_attachments; |
1375 | unset($compiled_attachments); |
1376 | |
1377 | $unset_tpl = array(); |
1378 | |
1379 | preg_match_all('#<!\-\- ia([0-9]+) \-\->(.*?)<!\-\- ia\1 \-\->#', $message, $matches, PREG_PATTERN_ORDER); |
1380 | |
1381 | $replace = array(); |
1382 | foreach (array_keys($matches[0]) as $num) |
1383 | { |
1384 | $index = $matches[1][$num]; |
1385 | |
1386 | $replace['from'][] = $matches[0][$num]; |
1387 | $replace['to'][] = (isset($attachments[$index])) ? $attachments[$index] : sprintf($user->lang['MISSING_INLINE_ATTACHMENT'], $matches[2][array_search($index, $matches[1])]); |
1388 | |
1389 | $unset_tpl[] = $index; |
1390 | } |
1391 | |
1392 | if (isset($replace['from'])) |
1393 | { |
1394 | $message = str_replace($replace['from'], $replace['to'], $message); |
1395 | } |
1396 | |
1397 | $unset_tpl = array_unique($unset_tpl); |
1398 | |
1399 | // Sort correctly |
1400 | if ($config['display_order']) |
1401 | { |
1402 | // Ascending sort |
1403 | krsort($attachments); |
1404 | } |
1405 | else |
1406 | { |
1407 | // Descending sort |
1408 | ksort($attachments); |
1409 | } |
1410 | |
1411 | // Needed to let not display the inlined attachments at the end of the post again |
1412 | foreach ($unset_tpl as $index) |
1413 | { |
1414 | unset($attachments[$index]); |
1415 | } |
1416 | } |
1417 | |
1418 | /** |
1419 | * Check if extension is allowed to be posted. |
1420 | * |
1421 | * @param mixed $forum_id The forum id to check or false if private message |
1422 | * @param string $extension The extension to check, for example zip. |
1423 | * @param array &$extensions The extension array holding the information from the cache (will be obtained if empty) |
1424 | * |
1425 | * @return bool False if the extension is not allowed to be posted, else true. |
1426 | */ |
1427 | function extension_allowed($forum_id, $extension, &$extensions) |
1428 | { |
1429 | if (empty($extensions)) |
1430 | { |
1431 | global $cache; |
1432 | $extensions = $cache->obtain_attach_extensions($forum_id); |
1433 | } |
1434 | |
1435 | return (!isset($extensions['_allowed_'][$extension])) ? false : true; |
1436 | } |
1437 | |
1438 | /** |
1439 | * Truncates string while retaining special characters if going over the max length |
1440 | * The default max length is 60 at the moment |
1441 | * The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities. |
1442 | * For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19) |
1443 | * |
1444 | * @param string $string The text to truncate to the given length. String is specialchared. |
1445 | * @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char) |
1446 | * @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars). |
1447 | * @param bool $allow_reply Allow Re: in front of string |
1448 | * NOTE: This parameter can cause undesired behavior (returning strings longer than $max_store_length) and is deprecated. |
1449 | * @param string $append String to be appended |
1450 | */ |
1451 | function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = false, $append = '') |
1452 | { |
1453 | $strip_reply = false; |
1454 | $stripped = false; |
1455 | if ($allow_reply && strpos($string, 'Re: ') === 0) |
1456 | { |
1457 | $strip_reply = true; |
1458 | $string = substr($string, 4); |
1459 | } |
1460 | |
1461 | $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); |
1462 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
1463 | |
1464 | // Now check the length ;) |
1465 | if (count($chars) > $max_length) |
1466 | { |
1467 | // Cut off the last elements from the array |
1468 | $string = implode('', array_slice($chars, 0, $max_length - utf8_strlen($append))); |
1469 | $stripped = true; |
1470 | } |
1471 | |
1472 | // Due to specialchars, we may not be able to store the string... |
1473 | if (utf8_strlen($string) > $max_store_length) |
1474 | { |
1475 | // let's split again, we do not want half-baked strings where entities are split |
1476 | $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); |
1477 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
1478 | |
1479 | do |
1480 | { |
1481 | array_pop($chars); |
1482 | $string = implode('', $chars); |
1483 | } |
1484 | while (!empty($chars) && utf8_strlen($string) > $max_store_length); |
1485 | } |
1486 | |
1487 | if ($strip_reply) |
1488 | { |
1489 | $string = 'Re: ' . $string; |
1490 | } |
1491 | |
1492 | if ($append != '' && $stripped) |
1493 | { |
1494 | $string = $string . $append; |
1495 | } |
1496 | |
1497 | return $string; |
1498 | } |
1499 | |
1500 | /** |
1501 | * Get username details for placing into templates. |
1502 | * This function caches all modes on first call, except for no_profile and anonymous user - determined by $user_id. |
1503 | * |
1504 | * @html Username spans and links |
1505 | * |
1506 | * @param string $mode Can be profile (for getting an url to the profile), username (for obtaining the username), colour (for obtaining the user colour), full (for obtaining a html string representing a coloured link to the users profile) or no_profile (the same as full but forcing no profile link) |
1507 | * @param int $user_id The users id |
1508 | * @param string $username The users name |
1509 | * @param string $username_colour The users colour |
1510 | * @param string|false $guest_username optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then. |
1511 | * @param string|false $custom_profile_url optional parameter to specify a profile url. The user id get appended to this url as &u={user_id} |
1512 | * |
1513 | * @return string A string consisting of what is wanted based on $mode. |
1514 | */ |
1515 | function get_username_string($mode, $user_id, $username, $username_colour = '', $guest_username = false, $custom_profile_url = false) |
1516 | { |
1517 | static $_profile_cache; |
1518 | global $phpbb_dispatcher; |
1519 | |
1520 | // We cache some common variables we need within this function |
1521 | if (empty($_profile_cache)) |
1522 | { |
1523 | global $phpbb_root_path, $phpEx; |
1524 | |
1525 | /** @html Username spans and links for usage in the template */ |
1526 | $_profile_cache['base_url'] = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&u={USER_ID}'); |
1527 | $_profile_cache['tpl_noprofile'] = '<span class="username">{USERNAME}</span>'; |
1528 | $_profile_cache['tpl_noprofile_colour'] = '<span style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</span>'; |
1529 | $_profile_cache['tpl_profile'] = '<a href="{PROFILE_URL}" class="username">{USERNAME}</a>'; |
1530 | $_profile_cache['tpl_profile_colour'] = '<a href="{PROFILE_URL}" style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</a>'; |
1531 | } |
1532 | |
1533 | global $user, $auth; |
1534 | |
1535 | // This switch makes sure we only run code required for the mode |
1536 | switch ($mode) |
1537 | { |
1538 | case 'full': |
1539 | case 'no_profile': |
1540 | case 'colour': |
1541 | |
1542 | // Build correct username colour |
1543 | $username_colour = ($username_colour) ? '#' . $username_colour : ''; |
1544 | |
1545 | // Return colour |
1546 | if ($mode == 'colour') |
1547 | { |
1548 | $username_string = $username_colour; |
1549 | break; |
1550 | } |
1551 | |
1552 | // no break; |
1553 | |
1554 | case 'username': |
1555 | |
1556 | // Build correct username |
1557 | if ($guest_username === false) |
1558 | { |
1559 | $username = ($username) ? $username : $user->lang['GUEST']; |
1560 | } |
1561 | else |
1562 | { |
1563 | $username = ($user_id && $user_id != ANONYMOUS) ? $username : ((!empty($guest_username)) ? $guest_username : $user->lang['GUEST']); |
1564 | } |
1565 | |
1566 | // Return username |
1567 | if ($mode == 'username') |
1568 | { |
1569 | $username_string = $username; |
1570 | break; |
1571 | } |
1572 | |
1573 | // no break; |
1574 | |
1575 | case 'profile': |
1576 | |
1577 | // Build correct profile url - only show if not anonymous and permission to view profile if registered user |
1578 | // For anonymous the link leads to a login page. |
1579 | if ($user_id && $user_id != ANONYMOUS && ($user->data['user_id'] == ANONYMOUS || $auth->acl_get('u_viewprofile'))) |
1580 | { |
1581 | $profile_url = ($custom_profile_url !== false) ? $custom_profile_url . '&u=' . (int) $user_id : str_replace(array('={USER_ID}', '=%7BUSER_ID%7D'), '=' . (int) $user_id, $_profile_cache['base_url']); |
1582 | } |
1583 | else |
1584 | { |
1585 | $profile_url = ''; |
1586 | } |
1587 | |
1588 | // Return profile |
1589 | if ($mode == 'profile') |
1590 | { |
1591 | $username_string = $profile_url; |
1592 | break; |
1593 | } |
1594 | |
1595 | // no break; |
1596 | } |
1597 | |
1598 | if (!isset($username_string)) |
1599 | { |
1600 | if (($mode == 'full' && !$profile_url) || $mode == 'no_profile') |
1601 | { |
1602 | $username_string = str_replace(array('{USERNAME_COLOUR}', '{USERNAME}'), array($username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_noprofile'] : $_profile_cache['tpl_noprofile_colour']); |
1603 | } |
1604 | else |
1605 | { |
1606 | $username_string = str_replace(array('{PROFILE_URL}', '{USERNAME_COLOUR}', '{USERNAME}'), array($profile_url, $username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_profile'] : $_profile_cache['tpl_profile_colour']); |
1607 | } |
1608 | } |
1609 | |
1610 | /** |
1611 | * Use this event to change the output of get_username_string() |
1612 | * |
1613 | * @event core.modify_username_string |
1614 | * @var string mode profile|username|colour|full|no_profile |
1615 | * @var int user_id String or array of additional url |
1616 | * parameters |
1617 | * @var string username The user's username |
1618 | * @var string username_colour The user's colour |
1619 | * @var string guest_username Optional parameter to specify the |
1620 | * guest username. |
1621 | * @var string custom_profile_url Optional parameter to specify a |
1622 | * profile url. |
1623 | * @var string username_string The string that has been generated |
1624 | * @var array _profile_cache Array of original return templates |
1625 | * @since 3.1.0-a1 |
1626 | */ |
1627 | $vars = array( |
1628 | 'mode', |
1629 | 'user_id', |
1630 | 'username', |
1631 | 'username_colour', |
1632 | 'guest_username', |
1633 | 'custom_profile_url', |
1634 | 'username_string', |
1635 | '_profile_cache', |
1636 | ); |
1637 | extract($phpbb_dispatcher->trigger_event('core.modify_username_string', compact($vars))); |
1638 | |
1639 | return $username_string; |
1640 | } |
1641 | |
1642 | /** |
1643 | * Add an option to the quick-mod tools. |
1644 | * |
1645 | * @param string $url The recepting URL for the quickmod actions. |
1646 | * @param string $option The language key for the value of the option. |
1647 | * @param string $lang_string The language string to use. |
1648 | */ |
1649 | function phpbb_add_quickmod_option($url, $option, $lang_string) |
1650 | { |
1651 | global $template, $user, $phpbb_path_helper; |
1652 | |
1653 | $lang_string = $user->lang($lang_string); |
1654 | $template->assign_block_vars('quickmod', array( |
1655 | 'VALUE' => $option, |
1656 | 'TITLE' => $lang_string, |
1657 | 'LINK' => $phpbb_path_helper->append_url_params($url, array('action' => $option)), |
1658 | )); |
1659 | } |
1660 | |
1661 | /** |
1662 | * Concatenate an array into a string list. |
1663 | * |
1664 | * @param array $items Array of items to concatenate |
1665 | * @param object $user The phpBB $user object. |
1666 | * |
1667 | * @return string String list. Examples: "A"; "A and B"; "A, B, and C" |
1668 | */ |
1669 | function phpbb_generate_string_list($items, $user) |
1670 | { |
1671 | if (empty($items)) |
1672 | { |
1673 | return ''; |
1674 | } |
1675 | |
1676 | $count = count($items); |
1677 | $last_item = array_pop($items); |
1678 | $lang_key = 'STRING_LIST_MULTI'; |
1679 | |
1680 | if ($count == 1) |
1681 | { |
1682 | return $last_item; |
1683 | } |
1684 | else if ($count == 2) |
1685 | { |
1686 | $lang_key = 'STRING_LIST_SIMPLE'; |
1687 | } |
1688 | $list = implode($user->lang['COMMA_SEPARATOR'], $items); |
1689 | |
1690 | return $user->lang($lang_key, $list, $last_item); |
1691 | } |
1692 | |
1693 | class bitfield |
1694 | { |
1695 | var $data; |
1696 | |
1697 | function __construct($bitfield = '') |
1698 | { |
1699 | $this->data = base64_decode($bitfield); |
1700 | } |
1701 | |
1702 | /** |
1703 | */ |
1704 | function get($n) |
1705 | { |
1706 | // Get the ($n / 8)th char |
1707 | $byte = $n >> 3; |
1708 | |
1709 | if (strlen($this->data) >= $byte + 1) |
1710 | { |
1711 | $c = $this->data[$byte]; |
1712 | |
1713 | // Lookup the ($n % 8)th bit of the byte |
1714 | $bit = 7 - ($n & 7); |
1715 | return (bool) (ord($c) & (1 << $bit)); |
1716 | } |
1717 | else |
1718 | { |
1719 | return false; |
1720 | } |
1721 | } |
1722 | |
1723 | function set($n) |
1724 | { |
1725 | $byte = $n >> 3; |
1726 | $bit = 7 - ($n & 7); |
1727 | |
1728 | if (strlen($this->data) >= $byte + 1) |
1729 | { |
1730 | $this->data[$byte] = $this->data[$byte] | chr(1 << $bit); |
1731 | } |
1732 | else |
1733 | { |
1734 | $this->data .= str_repeat("\0", $byte - strlen($this->data)); |
1735 | $this->data .= chr(1 << $bit); |
1736 | } |
1737 | } |
1738 | |
1739 | function clear($n) |
1740 | { |
1741 | $byte = $n >> 3; |
1742 | |
1743 | if (strlen($this->data) >= $byte + 1) |
1744 | { |
1745 | $bit = 7 - ($n & 7); |
1746 | $this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit); |
1747 | } |
1748 | } |
1749 | |
1750 | function get_blob() |
1751 | { |
1752 | return $this->data; |
1753 | } |
1754 | |
1755 | function get_base64() |
1756 | { |
1757 | return base64_encode($this->data); |
1758 | } |
1759 | |
1760 | function get_bin() |
1761 | { |
1762 | $bin = ''; |
1763 | $len = strlen($this->data); |
1764 | |
1765 | for ($i = 0; $i < $len; ++$i) |
1766 | { |
1767 | $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT); |
1768 | } |
1769 | |
1770 | return $bin; |
1771 | } |
1772 | |
1773 | function get_all_set() |
1774 | { |
1775 | return array_keys(array_filter(str_split($this->get_bin()))); |
1776 | } |
1777 | |
1778 | function merge($bitfield) |
1779 | { |
1780 | $this->data = $this->data | $bitfield->get_blob(); |
1781 | } |
1782 | } |
1783 | |
1784 | /** |
1785 | * Formats the quote according to the given BBCode status setting |
1786 | * |
1787 | * @param phpbb\language\language $language Language class |
1788 | * @param parse_message $message_parser Message parser class |
1789 | * @param phpbb\textformatter\utils_interface $text_formatter_utils Text formatter utilities |
1790 | * @param bool $bbcode_status The status of the BBCode setting |
1791 | * @param array $quote_attributes The attributes of the quoted post |
1792 | * @param string $message_link Link of the original quoted post |
1793 | */ |
1794 | function phpbb_format_quote($language, $message_parser, $text_formatter_utils, $bbcode_status, $quote_attributes, $message_link = '') |
1795 | { |
1796 | if ($bbcode_status) |
1797 | { |
1798 | $quote_text = $text_formatter_utils->generate_quote( |
1799 | censor_text($message_parser->message), |
1800 | $quote_attributes |
1801 | ); |
1802 | |
1803 | $message_parser->message = $quote_text . "\n\n"; |
1804 | } |
1805 | else |
1806 | { |
1807 | $offset = 0; |
1808 | $quote_string = "> "; |
1809 | $message = censor_text(trim($message_parser->message)); |
1810 | // see if we are nesting. It's easily tricked but should work for one level of nesting |
1811 | if (strpos($message, ">") !== false) |
1812 | { |
1813 | $offset = 10; |
1814 | } |
1815 | $message = utf8_wordwrap($message, 75 + $offset, "\n"); |
1816 | |
1817 | $message = $quote_string . $message; |
1818 | $message = str_replace("\n", "\n" . $quote_string, $message); |
1819 | |
1820 | $message_parser->message = $quote_attributes['author'] . " " . $language->lang('WROTE') . ":\n" . $message . "\n"; |
1821 | } |
1822 | |
1823 | if ($message_link) |
1824 | { |
1825 | $message_parser->message = $message_link . $message_parser->message; |
1826 | } |
1827 | } |