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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) |
328 | { |
329 | // first replace all whitespaces with single spaces |
330 | $text = preg_replace('/ +/', ' ', strtr($text, "\t\n\r\x0C ", ' ')); |
331 | |
332 | // we need to turn the entities back into their original form, to not cut the message in between them |
333 | $entities = array('<', '>', '[', ']', '.', ':', ':'); |
334 | $characters = array('<', '>', '[', ']', '.', ':', ':'); |
335 | $text = str_replace($entities, $characters, $text); |
336 | |
337 | $word_indizes = array(); |
338 | if (count($words)) |
339 | { |
340 | $match = ''; |
341 | // find the starting indizes of all words |
342 | foreach ($words as $word) |
343 | { |
344 | if ($word) |
345 | { |
346 | if (preg_match('#(?:[^\w]|^)(' . $word . ')(?:[^\w]|$)#i', $text, $match)) |
347 | { |
348 | if (empty($match[1])) |
349 | { |
350 | continue; |
351 | } |
352 | |
353 | $pos = utf8_strpos($text, $match[1]); |
354 | if ($pos !== false) |
355 | { |
356 | $word_indizes[] = $pos; |
357 | } |
358 | } |
359 | } |
360 | } |
361 | unset($match); |
362 | |
363 | if (count($word_indizes)) |
364 | { |
365 | $word_indizes = array_unique($word_indizes); |
366 | sort($word_indizes); |
367 | |
368 | $wordnum = count($word_indizes); |
369 | // number of characters on the right and left side of each word |
370 | $sequence_length = (int) ($length / (2 * $wordnum)) - 2; |
371 | $final_text = ''; |
372 | $word = $j = 0; |
373 | $final_text_index = -1; |
374 | |
375 | // cycle through every character in the original text |
376 | for ($i = $word_indizes[$word], $n = utf8_strlen($text); $i < $n; $i++) |
377 | { |
378 | // if the current position is the start of one of the words then append $sequence_length characters to the final text |
379 | if (isset($word_indizes[$word]) && ($i == $word_indizes[$word])) |
380 | { |
381 | if ($final_text_index < $i - $sequence_length - 1) |
382 | { |
383 | $final_text .= '... ' . preg_replace('#^([^ ]*)#', '', utf8_substr($text, $i - $sequence_length, $sequence_length)); |
384 | } |
385 | else |
386 | { |
387 | // if the final text is already nearer to the current word than $sequence_length we only append the text |
388 | // from its current index on and distribute the unused length to all other sequenes |
389 | $sequence_length += (int) (($final_text_index - $i + $sequence_length + 1) / (2 * $wordnum)); |
390 | $final_text .= utf8_substr($text, $final_text_index + 1, $i - $final_text_index - 1); |
391 | } |
392 | $final_text_index = $i - 1; |
393 | |
394 | // add the following characters to the final text (see below) |
395 | $word++; |
396 | $j = 1; |
397 | } |
398 | |
399 | if ($j > 0) |
400 | { |
401 | // add the character to the final text and increment the sequence counter |
402 | $final_text .= utf8_substr($text, $i, 1); |
403 | $final_text_index++; |
404 | $j++; |
405 | |
406 | // if this is a whitespace then check whether we are done with this sequence |
407 | if (utf8_substr($text, $i, 1) == ' ') |
408 | { |
409 | // only check whether we have to exit the context generation completely if we haven't already reached the end anyway |
410 | if ($i + 4 < $n) |
411 | { |
412 | if (($j > $sequence_length && $word >= $wordnum) || utf8_strlen($final_text) > $length) |
413 | { |
414 | $final_text .= ' ...'; |
415 | break; |
416 | } |
417 | } |
418 | else |
419 | { |
420 | // make sure the text really reaches the end |
421 | $j -= 4; |
422 | } |
423 | |
424 | // stop context generation and wait for the next word |
425 | if ($j > $sequence_length) |
426 | { |
427 | $j = 0; |
428 | } |
429 | } |
430 | } |
431 | } |
432 | return str_replace($characters, $entities, $final_text); |
433 | } |
434 | } |
435 | |
436 | if (!count($words) || !count($word_indizes)) |
437 | { |
438 | return str_replace($characters, $entities, ((utf8_strlen($text) >= $length + 3) ? utf8_substr($text, 0, $length) . '...' : $text)); |
439 | } |
440 | |
441 | return ''; |
442 | } |
443 | |
444 | /** |
445 | * Cleans a search string by removing single wildcards from it and replacing multiple spaces with a single one. |
446 | * |
447 | * @param string $search_string The full search string which should be cleaned. |
448 | * |
449 | * @return string The cleaned search string without any wildcards and multiple spaces. |
450 | */ |
451 | function phpbb_clean_search_string($search_string) |
452 | { |
453 | // This regular expressions matches every single wildcard. |
454 | // That means one after a whitespace or the beginning of the string or one before a whitespace or the end of the string. |
455 | $search_string = preg_replace('#(?<=^|\s)\*+(?=\s|$)#', '', $search_string); |
456 | $search_string = trim($search_string); |
457 | $search_string = preg_replace(array('#\s+#u', '#\*+#u'), array(' ', '*'), $search_string); |
458 | return $search_string; |
459 | } |
460 | |
461 | /** |
462 | * Decode text whereby text is coming from the db and expected to be pre-parsed content |
463 | * We are placing this outside of the message parser because we are often in need of it... |
464 | * |
465 | * NOTE: special chars are kept encoded |
466 | * |
467 | * @param string &$message Original message, passed by reference |
468 | * @param string $bbcode_uid BBCode UID |
469 | * @return void |
470 | */ |
471 | function decode_message(&$message, $bbcode_uid = '') |
472 | { |
473 | global $phpbb_container, $phpbb_dispatcher; |
474 | |
475 | /** |
476 | * Use this event to modify the message before it is decoded |
477 | * |
478 | * @event core.decode_message_before |
479 | * @var string message_text The message content |
480 | * @var string bbcode_uid The message BBCode UID |
481 | * @since 3.1.9-RC1 |
482 | */ |
483 | $message_text = $message; |
484 | $vars = array('message_text', 'bbcode_uid'); |
485 | extract($phpbb_dispatcher->trigger_event('core.decode_message_before', compact($vars))); |
486 | $message = $message_text; |
487 | |
488 | if (preg_match('#^<[rt][ >]#', $message)) |
489 | { |
490 | $message = htmlspecialchars($phpbb_container->get('text_formatter.utils')->unparse($message), ENT_COMPAT); |
491 | } |
492 | else |
493 | { |
494 | if ($bbcode_uid) |
495 | { |
496 | $match = array('<br />', "[/*:m:$bbcode_uid]", ":u:$bbcode_uid", ":o:$bbcode_uid", ":$bbcode_uid"); |
497 | $replace = array("\n", '', '', '', ''); |
498 | } |
499 | else |
500 | { |
501 | $match = array('<br />'); |
502 | $replace = array("\n"); |
503 | } |
504 | |
505 | $message = str_replace($match, $replace, $message); |
506 | |
507 | $match = get_preg_expression('bbcode_htm'); |
508 | $replace = array('\1', '\1', '\2', '\2', '\1', '', ''); |
509 | |
510 | $message = preg_replace($match, $replace, $message); |
511 | } |
512 | |
513 | /** |
514 | * Use this event to modify the message after it is decoded |
515 | * |
516 | * @event core.decode_message_after |
517 | * @var string message_text The message content |
518 | * @var string bbcode_uid The message BBCode UID |
519 | * @since 3.1.9-RC1 |
520 | */ |
521 | $message_text = $message; |
522 | $vars = array('message_text', 'bbcode_uid'); |
523 | extract($phpbb_dispatcher->trigger_event('core.decode_message_after', compact($vars))); |
524 | $message = $message_text; |
525 | } |
526 | |
527 | /** |
528 | * Strips all bbcode from a text in place |
529 | */ |
530 | function strip_bbcode(&$text, $uid = '') |
531 | { |
532 | global $phpbb_container; |
533 | |
534 | if (preg_match('#^<[rt][ >]#', $text)) |
535 | { |
536 | $text = utf8_htmlspecialchars($phpbb_container->get('text_formatter.utils')->clean_formatting($text)); |
537 | } |
538 | else |
539 | { |
540 | if (!$uid) |
541 | { |
542 | $uid = '[0-9a-z]{5,}'; |
543 | } |
544 | |
545 | $text = preg_replace("#\[\/?[a-z0-9\*\+\-]+(?:=(?:".*"|[^\]]*))?(?::[a-z])?(\:$uid)\]#", ' ', $text); |
546 | |
547 | $match = get_preg_expression('bbcode_htm'); |
548 | $replace = array('\1', '\1', '\2', '\1', '', ''); |
549 | |
550 | $text = preg_replace($match, $replace, $text); |
551 | } |
552 | } |
553 | |
554 | /** |
555 | * For display of custom parsed text on user-facing pages |
556 | * Expects $text to be the value directly from the database (stored value) |
557 | * |
558 | * @return string Generated text |
559 | */ |
560 | function generate_text_for_display($text, $uid, $bitfield, $flags, $censor_text = true) |
561 | { |
562 | static $bbcode; |
563 | global $auth, $config, $user; |
564 | global $phpbb_dispatcher, $phpbb_container; |
565 | |
566 | if ($text === '') |
567 | { |
568 | return ''; |
569 | } |
570 | |
571 | /** |
572 | * Use this event to modify the text before it is parsed |
573 | * |
574 | * @event core.modify_text_for_display_before |
575 | * @var string text The text to parse |
576 | * @var string uid The BBCode UID |
577 | * @var string bitfield The BBCode Bitfield |
578 | * @var int flags The BBCode Flags |
579 | * @var bool censor_text Whether or not to apply word censors |
580 | * @since 3.1.0-a1 |
581 | */ |
582 | $vars = array('text', 'uid', 'bitfield', 'flags', 'censor_text'); |
583 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_before', compact($vars))); |
584 | |
585 | if (preg_match('#^<[rt][ >]#', $text)) |
586 | { |
587 | $renderer = $phpbb_container->get('text_formatter.renderer'); |
588 | |
589 | // Temporarily switch off viewcensors if applicable |
590 | $old_censor = $renderer->get_viewcensors(); |
591 | |
592 | // Check here if the user is having viewing censors disabled (and also allowed to do so). |
593 | if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) |
594 | { |
595 | $censor_text = false; |
596 | } |
597 | |
598 | if ($old_censor !== $censor_text) |
599 | { |
600 | $renderer->set_viewcensors($censor_text); |
601 | } |
602 | |
603 | $text = $renderer->render($text); |
604 | |
605 | // Restore the previous value |
606 | if ($old_censor !== $censor_text) |
607 | { |
608 | $renderer->set_viewcensors($old_censor); |
609 | } |
610 | } |
611 | else |
612 | { |
613 | if ($censor_text) |
614 | { |
615 | $text = censor_text($text); |
616 | } |
617 | |
618 | // Parse bbcode if bbcode uid stored and bbcode enabled |
619 | if ($uid && ($flags & OPTION_FLAG_BBCODE)) |
620 | { |
621 | if (!class_exists('bbcode')) |
622 | { |
623 | global $phpbb_root_path, $phpEx; |
624 | include($phpbb_root_path . 'includes/bbcode.' . $phpEx); |
625 | } |
626 | |
627 | if (empty($bbcode)) |
628 | { |
629 | $bbcode = new bbcode($bitfield); |
630 | } |
631 | else |
632 | { |
633 | $bbcode->bbcode_set_bitfield($bitfield); |
634 | } |
635 | |
636 | $bbcode->bbcode_second_pass($text, $uid); |
637 | } |
638 | |
639 | $text = bbcode_nl2br($text); |
640 | $text = smiley_text($text, !($flags & OPTION_FLAG_SMILIES)); |
641 | } |
642 | |
643 | /** |
644 | * Use this event to modify the text after it is parsed |
645 | * |
646 | * @event core.modify_text_for_display_after |
647 | * @var string text The text to parse |
648 | * @var string uid The BBCode UID |
649 | * @var string bitfield The BBCode Bitfield |
650 | * @var int flags The BBCode Flags |
651 | * @since 3.1.0-a1 |
652 | */ |
653 | $vars = array('text', 'uid', 'bitfield', 'flags'); |
654 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_after', compact($vars))); |
655 | |
656 | return $text; |
657 | } |
658 | |
659 | /** |
660 | * For parsing custom parsed text to be stored within the database. |
661 | * This function additionally returns the uid and bitfield that needs to be stored. |
662 | * Expects $text to be the value directly from $request->variable() and in it's non-parsed form |
663 | * |
664 | * @param string $text The text to be replaced with the parsed one |
665 | * @param string $uid The BBCode uid for this parse |
666 | * @param string $bitfield The BBCode bitfield for this parse |
667 | * @param int $flags The allow_bbcode, allow_urls and allow_smilies compiled into a single integer. |
668 | * @param bool $allow_bbcode If BBCode is allowed (i.e. if BBCode is parsed) |
669 | * @param bool $allow_urls If urls is allowed |
670 | * @param bool $allow_smilies If smilies are allowed |
671 | * @param bool $allow_img_bbcode |
672 | * @param bool $allow_quote_bbcode |
673 | * @param bool $allow_url_bbcode |
674 | * @param string $mode Mode to parse text as, e.g. post or sig |
675 | * |
676 | * @return array An array of string with the errors that occurred while parsing |
677 | */ |
678 | function generate_text_for_storage(&$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') |
679 | { |
680 | global $phpbb_root_path, $phpEx, $phpbb_dispatcher; |
681 | |
682 | /** |
683 | * Use this event to modify the text before it is prepared for storage |
684 | * |
685 | * @event core.modify_text_for_storage_before |
686 | * @var string text The text to parse |
687 | * @var string uid The BBCode UID |
688 | * @var string bitfield The BBCode Bitfield |
689 | * @var int flags The BBCode Flags |
690 | * @var bool allow_bbcode Whether or not to parse BBCode |
691 | * @var bool allow_urls Whether or not to parse URLs |
692 | * @var bool allow_smilies Whether or not to parse Smilies |
693 | * @var bool allow_img_bbcode Whether or not to parse the [img] BBCode |
694 | * @var bool allow_quote_bbcode Whether or not to parse the [quote] BBCode |
695 | * @var bool allow_url_bbcode Whether or not to parse the [url] BBCode |
696 | * @var string mode Mode to parse text as, e.g. post or sig |
697 | * @since 3.1.0-a1 |
698 | * @changed 3.2.0-a1 Added mode |
699 | * @changed 4.0.0-a1 Removed allow_flash_bbcode |
700 | */ |
701 | $vars = array( |
702 | 'text', |
703 | 'uid', |
704 | 'bitfield', |
705 | 'flags', |
706 | 'allow_bbcode', |
707 | 'allow_urls', |
708 | 'allow_smilies', |
709 | 'allow_img_bbcode', |
710 | 'allow_quote_bbcode', |
711 | 'allow_url_bbcode', |
712 | 'mode', |
713 | ); |
714 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_before', compact($vars))); |
715 | |
716 | $uid = $bitfield = ''; |
717 | $flags = (($allow_bbcode) ? OPTION_FLAG_BBCODE : 0) + (($allow_smilies) ? OPTION_FLAG_SMILIES : 0) + (($allow_urls) ? OPTION_FLAG_LINKS : 0); |
718 | |
719 | if (!class_exists('parse_message')) |
720 | { |
721 | include($phpbb_root_path . 'includes/message_parser.' . $phpEx); |
722 | } |
723 | |
724 | $message_parser = new parse_message($text); |
725 | $message_parser->parse($allow_bbcode, $allow_urls, $allow_smilies, $allow_img_bbcode, $allow_quote_bbcode, $allow_url_bbcode, true, $mode); |
726 | |
727 | $text = $message_parser->message; |
728 | $uid = $message_parser->bbcode_uid; |
729 | |
730 | // If the bbcode_bitfield is empty, there is no need for the uid to be stored. |
731 | if (!$message_parser->bbcode_bitfield) |
732 | { |
733 | $uid = ''; |
734 | } |
735 | |
736 | $bitfield = $message_parser->bbcode_bitfield; |
737 | |
738 | /** |
739 | * Use this event to modify the text after it is prepared for storage |
740 | * |
741 | * @event core.modify_text_for_storage_after |
742 | * @var string text The text to parse |
743 | * @var string uid The BBCode UID |
744 | * @var string bitfield The BBCode Bitfield |
745 | * @var int flags The BBCode Flags |
746 | * @var string message_parser The message_parser object |
747 | * @since 3.1.0-a1 |
748 | * @changed 3.1.11-RC1 Added message_parser to vars |
749 | */ |
750 | $vars = array('text', 'uid', 'bitfield', 'flags', 'message_parser'); |
751 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_after', compact($vars))); |
752 | |
753 | return $message_parser->warn_msg; |
754 | } |
755 | |
756 | /** |
757 | * For decoding custom parsed text for edits as well as extracting the flags |
758 | * Expects $text to be the value directly from the database (pre-parsed content) |
759 | */ |
760 | function generate_text_for_edit($text, $uid, $flags) |
761 | { |
762 | global $phpbb_dispatcher; |
763 | |
764 | /** |
765 | * Use this event to modify the text before it is decoded for editing |
766 | * |
767 | * @event core.modify_text_for_edit_before |
768 | * @var string text The text to parse |
769 | * @var string uid The BBCode UID |
770 | * @var int flags The BBCode Flags |
771 | * @since 3.1.0-a1 |
772 | */ |
773 | $vars = array('text', 'uid', 'flags'); |
774 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_before', compact($vars))); |
775 | |
776 | decode_message($text, $uid); |
777 | |
778 | /** |
779 | * Use this event to modify the text after it is decoded for editing |
780 | * |
781 | * @event core.modify_text_for_edit_after |
782 | * @var string text The text to parse |
783 | * @var int flags The BBCode Flags |
784 | * @since 3.1.0-a1 |
785 | */ |
786 | $vars = array('text', 'flags'); |
787 | extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_after', compact($vars))); |
788 | |
789 | return array( |
790 | 'allow_bbcode' => ($flags & OPTION_FLAG_BBCODE) ? 1 : 0, |
791 | 'allow_smilies' => ($flags & OPTION_FLAG_SMILIES) ? 1 : 0, |
792 | 'allow_urls' => ($flags & OPTION_FLAG_LINKS) ? 1 : 0, |
793 | 'text' => $text |
794 | ); |
795 | } |
796 | |
797 | /** |
798 | * A subroutine of make_clickable used with preg_replace |
799 | * It places correct HTML around an url, shortens the displayed text |
800 | * and makes sure no entities are inside URLs |
801 | */ |
802 | function make_clickable_callback($type, $whitespace, $url, $relative_url, $class) |
803 | { |
804 | $orig_url = $url; |
805 | $orig_relative = $relative_url; |
806 | $append = ''; |
807 | $url = html_entity_decode($url, ENT_COMPAT); |
808 | $relative_url = html_entity_decode($relative_url, ENT_COMPAT); |
809 | |
810 | // make sure no HTML entities were matched |
811 | $chars = array('<', '>', '"'); |
812 | $split = false; |
813 | |
814 | foreach ($chars as $char) |
815 | { |
816 | $next_split = strpos($url, $char); |
817 | if ($next_split !== false) |
818 | { |
819 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
820 | } |
821 | } |
822 | |
823 | if ($split !== false) |
824 | { |
825 | // an HTML entity was found, so the URL has to end before it |
826 | $append = substr($url, $split) . $relative_url; |
827 | $url = substr($url, 0, $split); |
828 | $relative_url = ''; |
829 | } |
830 | else if ($relative_url) |
831 | { |
832 | // same for $relative_url |
833 | $split = false; |
834 | foreach ($chars as $char) |
835 | { |
836 | $next_split = strpos($relative_url, $char); |
837 | if ($next_split !== false) |
838 | { |
839 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
840 | } |
841 | } |
842 | |
843 | if ($split !== false) |
844 | { |
845 | $append = substr($relative_url, $split); |
846 | $relative_url = substr($relative_url, 0, $split); |
847 | } |
848 | } |
849 | // if the last character of the url is a punctuation mark, exclude it from the url |
850 | $last_char = ($relative_url) ? $relative_url[strlen($relative_url) - 1] : $url[strlen($url) - 1]; |
851 | |
852 | switch ($last_char) |
853 | { |
854 | case '.': |
855 | case '?': |
856 | case '!': |
857 | case ':': |
858 | case ',': |
859 | $append = $last_char; |
860 | if ($relative_url) |
861 | { |
862 | $relative_url = substr($relative_url, 0, -1); |
863 | } |
864 | else |
865 | { |
866 | $url = substr($url, 0, -1); |
867 | } |
868 | break; |
869 | |
870 | // set last_char to empty here, so the variable can be used later to |
871 | // check whether a character was removed |
872 | default: |
873 | $last_char = ''; |
874 | break; |
875 | } |
876 | |
877 | $short_url = (utf8_strlen($url) > 55) ? utf8_substr($url, 0, 39) . ' ... ' . utf8_substr($url, -10) : $url; |
878 | |
879 | switch ($type) |
880 | { |
881 | case MAGIC_URL_LOCAL: |
882 | $tag = 'l'; |
883 | $relative_url = preg_replace('/[&?]sid=[0-9a-f]{32}$/', '', preg_replace('/([&?])sid=[0-9a-f]{32}&/', '$1', $relative_url)); |
884 | $url = $url . '/' . $relative_url; |
885 | $text = $relative_url; |
886 | |
887 | // this url goes to http://domain.tld/path/to/board/ which |
888 | // would result in an empty link if treated as local so |
889 | // don't touch it and let MAGIC_URL_FULL take care of it. |
890 | if (!$relative_url) |
891 | { |
892 | return $whitespace . $orig_url . '/' . $orig_relative; // slash is taken away by relative url pattern |
893 | } |
894 | break; |
895 | |
896 | case MAGIC_URL_FULL: |
897 | $tag = 'm'; |
898 | $text = $short_url; |
899 | break; |
900 | |
901 | case MAGIC_URL_WWW: |
902 | $tag = 'w'; |
903 | $url = 'http://' . $url; |
904 | $text = $short_url; |
905 | break; |
906 | |
907 | case MAGIC_URL_EMAIL: |
908 | $tag = 'e'; |
909 | $text = $short_url; |
910 | $url = 'mailto:' . $url; |
911 | break; |
912 | } |
913 | |
914 | $url = htmlspecialchars($url, ENT_COMPAT); |
915 | $text = htmlspecialchars($text, ENT_COMPAT); |
916 | $append = htmlspecialchars($append, ENT_COMPAT); |
917 | |
918 | $html = "$whitespace<!-- $tag --><a$class href=\"$url\">$text</a><!-- $tag -->$append"; |
919 | |
920 | return $html; |
921 | } |
922 | |
923 | /** |
924 | * Replaces magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx. |
925 | * Cuts down displayed size of link if over 50 chars, turns absolute links |
926 | * into relative versions when the server/script path matches the link |
927 | * |
928 | * @param string $text Message text to parse URL/email entries |
929 | * @param bool|string $server_url The server URL. If false, the board URL will be used |
930 | * @param string $class CSS class selector to add to the parsed URL entries |
931 | * |
932 | * @return string A text with parsed URL/email entries |
933 | */ |
934 | function make_clickable($text, $server_url = false, string $class = 'postlink') |
935 | { |
936 | if ($server_url === false) |
937 | { |
938 | $server_url = generate_board_url(); |
939 | } |
940 | |
941 | static $static_class; |
942 | static $magic_url_match_args; |
943 | |
944 | if (!isset($magic_url_match_args[$server_url]) || $static_class != $class) |
945 | { |
946 | $static_class = $class; |
947 | $class = ($static_class) ? ' class="' . $static_class . '"' : ''; |
948 | $local_class = ($static_class) ? ' class="' . $static_class . '-local"' : ''; |
949 | |
950 | if (!is_array($magic_url_match_args)) |
951 | { |
952 | $magic_url_match_args = array(); |
953 | } |
954 | |
955 | // Check if the match for this $server_url and $class already exists |
956 | $element_exists = false; |
957 | if (isset($magic_url_match_args[$server_url])) |
958 | { |
959 | array_walk_recursive($magic_url_match_args[$server_url], function($value) use (&$element_exists, $static_class) |
960 | { |
961 | if ($value == $static_class) |
962 | { |
963 | $element_exists = true; |
964 | } |
965 | } |
966 | ); |
967 | } |
968 | |
969 | // Only add new $server_url and $class matches if not exist |
970 | if (!$element_exists) |
971 | { |
972 | // relative urls for this board |
973 | $magic_url_match_args[$server_url][] = [ |
974 | '#(^|[\n\t (>.])(' . preg_quote($server_url, '#') . ')/(' . get_preg_expression('relative_url_inline') . ')#iu', |
975 | MAGIC_URL_LOCAL, |
976 | $local_class, |
977 | $static_class, |
978 | ]; |
979 | |
980 | // matches a xxxx://aaaaa.bbb.cccc. ... |
981 | $magic_url_match_args[$server_url][] = [ |
982 | '#(^|[\n\t (>.])(' . get_preg_expression('url_inline') . ')#iu', |
983 | MAGIC_URL_FULL, |
984 | $class, |
985 | $static_class, |
986 | ]; |
987 | |
988 | // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing |
989 | $magic_url_match_args[$server_url][] = [ |
990 | '#(^|[\n\t (>])(' . get_preg_expression('www_url_inline') . ')#iu', |
991 | MAGIC_URL_WWW, |
992 | $class, |
993 | $static_class, |
994 | ]; |
995 | } |
996 | |
997 | if (!isset($magic_url_match_args[$server_url]['email'])) |
998 | { |
999 | // matches an email@domain type address at the start of a line, or after a space or after what might be a BBCode. |
1000 | $magic_url_match_args[$server_url]['email'] = [ |
1001 | '/(^|[\n\t (>])(' . get_preg_expression('email') . ')/iu', |
1002 | MAGIC_URL_EMAIL, |
1003 | '', |
1004 | ]; |
1005 | } |
1006 | } |
1007 | |
1008 | foreach ($magic_url_match_args[$server_url] as $magic_args) |
1009 | { |
1010 | if (preg_match($magic_args[0], $text, $matches)) |
1011 | { |
1012 | // Only apply $class from the corresponding function call argument (excepting emails which never has a class) |
1013 | if ($magic_args[1] != MAGIC_URL_EMAIL && $magic_args[3] != $static_class) |
1014 | { |
1015 | continue; |
1016 | } |
1017 | |
1018 | $text = preg_replace_callback($magic_args[0], function($matches) use ($magic_args) |
1019 | { |
1020 | $relative_url = isset($matches[3]) ? $matches[3] : ''; |
1021 | return make_clickable_callback($magic_args[1], $matches[1], $matches[2], $relative_url, $magic_args[2]); |
1022 | }, $text); |
1023 | } |
1024 | } |
1025 | |
1026 | return $text; |
1027 | } |
1028 | |
1029 | /** |
1030 | * Censoring |
1031 | */ |
1032 | function censor_text($text) |
1033 | { |
1034 | static $censors; |
1035 | |
1036 | // Nothing to do? |
1037 | if ($text === '') |
1038 | { |
1039 | return ''; |
1040 | } |
1041 | |
1042 | // We moved the word censor checks in here because we call this function quite often - and then only need to do the check once |
1043 | if (!isset($censors) || !is_array($censors)) |
1044 | { |
1045 | global $config, $user, $auth, $cache; |
1046 | |
1047 | // We check here if the user is having viewing censors disabled (and also allowed to do so). |
1048 | if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) |
1049 | { |
1050 | $censors = array(); |
1051 | } |
1052 | else |
1053 | { |
1054 | $censors = $cache->obtain_word_list(); |
1055 | } |
1056 | } |
1057 | |
1058 | if (count($censors)) |
1059 | { |
1060 | return preg_replace($censors['match'], $censors['replace'], $text); |
1061 | } |
1062 | |
1063 | return $text; |
1064 | } |
1065 | |
1066 | /** |
1067 | * custom version of nl2br which takes custom BBCodes into account |
1068 | */ |
1069 | function bbcode_nl2br($text) |
1070 | { |
1071 | // custom BBCodes might contain carriage returns so they |
1072 | // are not converted into <br /> so now revert that |
1073 | $text = str_replace(array("\n", "\r"), array('<br />', "\n"), $text); |
1074 | return $text; |
1075 | } |
1076 | |
1077 | /** |
1078 | * Smiley processing |
1079 | */ |
1080 | function smiley_text($text, $force_option = false) |
1081 | { |
1082 | global $config, $user, $phpbb_path_helper, $phpbb_dispatcher; |
1083 | |
1084 | if ($force_option || !$config['allow_smilies'] || !$user->optionget('viewsmilies')) |
1085 | { |
1086 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $text); |
1087 | } |
1088 | else |
1089 | { |
1090 | $root_path = $phpbb_path_helper->get_web_root_path(); |
1091 | |
1092 | /** |
1093 | * Event to override the root_path for smilies |
1094 | * |
1095 | * @event core.smiley_text_root_path |
1096 | * @var string root_path root_path for smilies |
1097 | * @since 3.1.11-RC1 |
1098 | */ |
1099 | $vars = array('root_path'); |
1100 | extract($phpbb_dispatcher->trigger_event('core.smiley_text_root_path', compact($vars))); |
1101 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/(.*?) \/><!\-\- s\1 \-\->#', '<img class="smilies" src="' . $root_path . $config['smilies_path'] . '/\2 />', $text); |
1102 | } |
1103 | } |
1104 | |
1105 | /** |
1106 | * General attachment parsing |
1107 | * |
1108 | * @param mixed $forum_id The forum id the attachments are displayed in (false if in private message) |
1109 | * @param string &$message The post/private message |
1110 | * @param array &$attachments The attachments to parse for (inline) display. The attachments array will hold templated data after parsing. |
1111 | * @param array &$update_count_ary The attachment counts to be updated - will be filled |
1112 | * @param bool $preview If set to true the attachments are parsed for preview. Within preview mode the comments are fetched from the given $attachments array and not fetched from the database. |
1113 | */ |
1114 | function parse_attachments($forum_id, &$message, &$attachments, &$update_count_ary, $preview = false) |
1115 | { |
1116 | if (!count($attachments)) |
1117 | { |
1118 | return; |
1119 | } |
1120 | |
1121 | global $template, $cache, $user, $phpbb_dispatcher; |
1122 | global $extensions, $config, $phpbb_root_path, $phpEx; |
1123 | global $phpbb_container; |
1124 | |
1125 | $storage_attachment = $phpbb_container->get('storage.attachment'); |
1126 | |
1127 | /** @var \phpbb\controller\helper */ |
1128 | $controller_helper = $phpbb_container->get('controller.helper'); |
1129 | |
1130 | // |
1131 | $compiled_attachments = array(); |
1132 | |
1133 | if (!isset($template->filename['attachment_tpl'])) |
1134 | { |
1135 | $template->set_filenames(array( |
1136 | 'attachment_tpl' => 'attachment.html') |
1137 | ); |
1138 | } |
1139 | |
1140 | if (empty($extensions) || !is_array($extensions)) |
1141 | { |
1142 | $extensions = $cache->obtain_attach_extensions($forum_id); |
1143 | } |
1144 | |
1145 | // Look for missing attachment information... |
1146 | $attach_ids = array(); |
1147 | foreach ($attachments as $pos => $attachment) |
1148 | { |
1149 | // If is_orphan is set, we need to retrieve the attachments again... |
1150 | if (!isset($attachment['extension']) && !isset($attachment['physical_filename'])) |
1151 | { |
1152 | $attach_ids[(int) $attachment['attach_id']] = $pos; |
1153 | } |
1154 | } |
1155 | |
1156 | // Grab attachments (security precaution) |
1157 | if (count($attach_ids)) |
1158 | { |
1159 | global $db; |
1160 | |
1161 | $new_attachment_data = array(); |
1162 | |
1163 | $sql = 'SELECT * |
1164 | FROM ' . ATTACHMENTS_TABLE . ' |
1165 | WHERE ' . $db->sql_in_set('attach_id', array_keys($attach_ids)); |
1166 | $result = $db->sql_query($sql); |
1167 | |
1168 | while ($row = $db->sql_fetchrow($result)) |
1169 | { |
1170 | if (!isset($attach_ids[$row['attach_id']])) |
1171 | { |
1172 | continue; |
1173 | } |
1174 | |
1175 | // If we preview attachments we will set some retrieved values here |
1176 | if ($preview) |
1177 | { |
1178 | $row['attach_comment'] = $attachments[$attach_ids[$row['attach_id']]]['attach_comment']; |
1179 | } |
1180 | |
1181 | $new_attachment_data[$attach_ids[$row['attach_id']]] = $row; |
1182 | } |
1183 | $db->sql_freeresult($result); |
1184 | |
1185 | $attachments = $new_attachment_data; |
1186 | unset($new_attachment_data); |
1187 | } |
1188 | |
1189 | // Make sure attachments are properly ordered |
1190 | ksort($attachments); |
1191 | |
1192 | foreach ($attachments as $attachment) |
1193 | { |
1194 | if (!count($attachment)) |
1195 | { |
1196 | continue; |
1197 | } |
1198 | |
1199 | // We need to reset/empty the _file block var, because this function might be called more than once |
1200 | $template->destroy_block_vars('_file'); |
1201 | |
1202 | $block_array = array(); |
1203 | |
1204 | // Some basics... |
1205 | $attachment['extension'] = strtolower(trim($attachment['extension'])); |
1206 | $filename = utf8_basename($attachment['physical_filename']); |
1207 | |
1208 | $upload_icon = ''; |
1209 | $download_link = ''; |
1210 | $display_cat = false; |
1211 | |
1212 | if (isset($extensions[$attachment['extension']])) |
1213 | { |
1214 | if ($user->img('icon_topic_attach', '') && !$extensions[$attachment['extension']]['upload_icon']) |
1215 | { |
1216 | $upload_icon = $user->img('icon_topic_attach', ''); |
1217 | } |
1218 | else if ($extensions[$attachment['extension']]['upload_icon']) |
1219 | { |
1220 | $upload_icon = '<img src="' . $phpbb_root_path . $config['upload_icons_path'] . '/' . trim($extensions[$attachment['extension']]['upload_icon']) . '" alt="" />'; |
1221 | } |
1222 | } |
1223 | |
1224 | $filesize = get_formatted_filesize($attachment['filesize'], false); |
1225 | |
1226 | $comment = bbcode_nl2br(censor_text($attachment['attach_comment'])); |
1227 | |
1228 | $block_array += array( |
1229 | 'UPLOAD_ICON' => $upload_icon, |
1230 | 'FILESIZE' => $filesize['value'], |
1231 | 'MIMETYPE' => $attachment['mimetype'], |
1232 | 'SIZE_LANG' => $filesize['unit'], |
1233 | 'DOWNLOAD_NAME' => utf8_basename($attachment['real_filename']), |
1234 | 'COMMENT' => $comment, |
1235 | ); |
1236 | |
1237 | $denied = false; |
1238 | |
1239 | if (!extension_allowed($forum_id, $attachment['extension'], $extensions)) |
1240 | { |
1241 | $denied = true; |
1242 | |
1243 | $block_array += array( |
1244 | 'S_DENIED' => true, |
1245 | 'DENIED_MESSAGE' => sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) |
1246 | ); |
1247 | } |
1248 | |
1249 | if (!$denied) |
1250 | { |
1251 | $display_cat = $extensions[$attachment['extension']]['display_cat']; |
1252 | |
1253 | if ($display_cat == attachment_category::IMAGE) |
1254 | { |
1255 | if ($attachment['thumbnail']) |
1256 | { |
1257 | $display_cat = attachment_category::THUMB; |
1258 | } |
1259 | else |
1260 | { |
1261 | if ($config['img_display_inlined']) |
1262 | { |
1263 | if ($config['img_link_width'] || $config['img_link_height']) |
1264 | { |
1265 | try |
1266 | { |
1267 | $file_info = $storage_attachment->file_info($filename); |
1268 | |
1269 | $display_cat = ($file_info->image_width <= $config['img_link_width'] && $file_info->image_height <= $config['img_link_height']) ? attachment_category::IMAGE : attachment_category::NONE; |
1270 | } |
1271 | catch (\Exception $e) |
1272 | { |
1273 | $display_cat = attachment_category::NONE; |
1274 | } |
1275 | } |
1276 | } |
1277 | else |
1278 | { |
1279 | $display_cat = attachment_category::NONE; |
1280 | } |
1281 | } |
1282 | } |
1283 | |
1284 | // Make some descisions based on user options being set. |
1285 | if (($display_cat == attachment_category::IMAGE || $display_cat == attachment_category::THUMB) && !$user->optionget('viewimg')) |
1286 | { |
1287 | $display_cat = attachment_category::NONE; |
1288 | } |
1289 | |
1290 | $download_link = $controller_helper->route( |
1291 | 'phpbb_storage_attachment', |
1292 | [ |
1293 | 'id' => (int) $attachment['attach_id'], |
1294 | 'filename' => $attachment['real_filename'], |
1295 | ] |
1296 | ); |
1297 | $l_downloaded_viewed = 'VIEWED_COUNTS'; |
1298 | |
1299 | switch ($display_cat) |
1300 | { |
1301 | // Images |
1302 | case attachment_category::IMAGE: |
1303 | $inline_link = $controller_helper->route( |
1304 | 'phpbb_storage_attachment', |
1305 | [ |
1306 | 'id' => (int) $attachment['attach_id'], |
1307 | 'filename' => $attachment['real_filename'], |
1308 | ] |
1309 | ); |
1310 | |
1311 | $block_array += array( |
1312 | 'S_IMAGE' => true, |
1313 | 'U_INLINE_LINK' => $inline_link, |
1314 | ); |
1315 | |
1316 | $update_count_ary[] = $attachment['attach_id']; |
1317 | break; |
1318 | |
1319 | // Images, but display Thumbnail |
1320 | case attachment_category::THUMB: |
1321 | $thumbnail_link = $controller_helper->route( |
1322 | 'phpbb_storage_attachment', |
1323 | [ |
1324 | 'id' => (int) $attachment['attach_id'], |
1325 | 'filename' => $attachment['real_filename'], |
1326 | 't' => 1, |
1327 | ] |
1328 | ); |
1329 | |
1330 | $block_array += array( |
1331 | 'S_THUMBNAIL' => true, |
1332 | 'THUMB_IMAGE' => $thumbnail_link, |
1333 | ); |
1334 | |
1335 | $update_count_ary[] = $attachment['attach_id']; |
1336 | break; |
1337 | |
1338 | // Audio files |
1339 | case attachment_category::AUDIO: |
1340 | $block_array += [ |
1341 | 'S_AUDIO_FILE' => true, |
1342 | ]; |
1343 | |
1344 | $update_count_ary[] = $attachment['attach_id']; |
1345 | break; |
1346 | |
1347 | // Video files |
1348 | case attachment_category::VIDEO: |
1349 | $block_array += [ |
1350 | 'S_VIDEO_FILE' => true, |
1351 | ]; |
1352 | |
1353 | $update_count_ary[] = $attachment['attach_id']; |
1354 | break; |
1355 | |
1356 | default: |
1357 | $l_downloaded_viewed = 'DOWNLOAD_COUNTS'; |
1358 | |
1359 | $block_array += array( |
1360 | 'S_FILE' => true, |
1361 | ); |
1362 | break; |
1363 | } |
1364 | |
1365 | if (!isset($attachment['download_count'])) |
1366 | { |
1367 | $attachment['download_count'] = 0; |
1368 | } |
1369 | |
1370 | $block_array += array( |
1371 | 'U_DOWNLOAD_LINK' => $download_link, |
1372 | 'L_DOWNLOAD_COUNT' => $user->lang($l_downloaded_viewed, (int) $attachment['download_count']), |
1373 | ); |
1374 | } |
1375 | |
1376 | $update_count = $update_count_ary; |
1377 | /** |
1378 | * Use this event to modify the attachment template data. |
1379 | * |
1380 | * This event is triggered once per attachment. |
1381 | * |
1382 | * @event core.parse_attachments_modify_template_data |
1383 | * @var array attachment Array with attachment data |
1384 | * @var array block_array Template data of the attachment |
1385 | * @var int display_cat Attachment category data |
1386 | * @var string download_link Attachment download link |
1387 | * @var array extensions Array with attachment extensions data |
1388 | * @var mixed forum_id The forum id the attachments are displayed in (false if in private message) |
1389 | * @var bool preview Flag indicating if we are in post preview mode |
1390 | * @var array update_count Array with attachment ids to update download count |
1391 | * @since 3.1.0-RC5 |
1392 | */ |
1393 | $vars = array( |
1394 | 'attachment', |
1395 | 'block_array', |
1396 | 'display_cat', |
1397 | 'download_link', |
1398 | 'extensions', |
1399 | 'forum_id', |
1400 | 'preview', |
1401 | 'update_count', |
1402 | ); |
1403 | extract($phpbb_dispatcher->trigger_event('core.parse_attachments_modify_template_data', compact($vars))); |
1404 | $update_count_ary = $update_count; |
1405 | unset($update_count, $display_cat, $download_link); |
1406 | |
1407 | $template->assign_block_vars('_file', $block_array); |
1408 | |
1409 | $compiled_attachments[] = $template->assign_display('attachment_tpl'); |
1410 | } |
1411 | |
1412 | $attachments = $compiled_attachments; |
1413 | unset($compiled_attachments); |
1414 | |
1415 | $unset_tpl = array(); |
1416 | |
1417 | preg_match_all('#<!\-\- ia([0-9]+) \-\->(.*?)<!\-\- ia\1 \-\->#', $message, $matches, PREG_PATTERN_ORDER); |
1418 | |
1419 | $replace = array(); |
1420 | foreach (array_keys($matches[0]) as $num) |
1421 | { |
1422 | $index = $matches[1][$num]; |
1423 | |
1424 | $replace['from'][] = $matches[0][$num]; |
1425 | $replace['to'][] = (isset($attachments[$index])) ? $attachments[$index] : sprintf($user->lang['MISSING_INLINE_ATTACHMENT'], $matches[2][array_search($index, $matches[1])]); |
1426 | |
1427 | $unset_tpl[] = $index; |
1428 | } |
1429 | |
1430 | if (isset($replace['from'])) |
1431 | { |
1432 | $message = str_replace($replace['from'], $replace['to'], $message); |
1433 | } |
1434 | |
1435 | $unset_tpl = array_unique($unset_tpl); |
1436 | |
1437 | // Sort correctly |
1438 | if ($config['display_order']) |
1439 | { |
1440 | // Ascending sort |
1441 | krsort($attachments); |
1442 | } |
1443 | else |
1444 | { |
1445 | // Descending sort |
1446 | ksort($attachments); |
1447 | } |
1448 | |
1449 | // Needed to let not display the inlined attachments at the end of the post again |
1450 | foreach ($unset_tpl as $index) |
1451 | { |
1452 | unset($attachments[$index]); |
1453 | } |
1454 | } |
1455 | |
1456 | /** |
1457 | * Check if extension is allowed to be posted. |
1458 | * |
1459 | * @param mixed $forum_id The forum id to check or false if private message |
1460 | * @param string $extension The extension to check, for example zip. |
1461 | * @param array &$extensions The extension array holding the information from the cache (will be obtained if empty) |
1462 | * |
1463 | * @return bool False if the extension is not allowed to be posted, else true. |
1464 | */ |
1465 | function extension_allowed($forum_id, $extension, &$extensions) |
1466 | { |
1467 | if (empty($extensions)) |
1468 | { |
1469 | global $cache; |
1470 | $extensions = $cache->obtain_attach_extensions($forum_id); |
1471 | } |
1472 | |
1473 | return (!isset($extensions['_allowed_'][$extension])) ? false : true; |
1474 | } |
1475 | |
1476 | /** |
1477 | * Truncates string while retaining special characters if going over the max length |
1478 | * The default max length is 60 at the moment |
1479 | * The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities. |
1480 | * For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19) |
1481 | * |
1482 | * @param string $string The text to truncate to the given length. String is specialchared. |
1483 | * @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char) |
1484 | * @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars). |
1485 | * @param bool $allow_reply Allow Re: in front of string |
1486 | * NOTE: This parameter can cause undesired behavior (returning strings longer than $max_store_length) and is deprecated. |
1487 | * @param string $append String to be appended |
1488 | */ |
1489 | function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = false, $append = '') |
1490 | { |
1491 | $strip_reply = false; |
1492 | $stripped = false; |
1493 | if ($allow_reply && strpos($string, 'Re: ') === 0) |
1494 | { |
1495 | $strip_reply = true; |
1496 | $string = substr($string, 4); |
1497 | } |
1498 | |
1499 | $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); |
1500 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
1501 | |
1502 | // Now check the length ;) |
1503 | if (count($chars) > $max_length) |
1504 | { |
1505 | // Cut off the last elements from the array |
1506 | $string = implode('', array_slice($chars, 0, $max_length - utf8_strlen($append))); |
1507 | $stripped = true; |
1508 | } |
1509 | |
1510 | // Due to specialchars, we may not be able to store the string... |
1511 | if (utf8_strlen($string) > $max_store_length) |
1512 | { |
1513 | // let's split again, we do not want half-baked strings where entities are split |
1514 | $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); |
1515 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
1516 | |
1517 | do |
1518 | { |
1519 | array_pop($chars); |
1520 | $string = implode('', $chars); |
1521 | } |
1522 | while (!empty($chars) && utf8_strlen($string) > $max_store_length); |
1523 | } |
1524 | |
1525 | if ($strip_reply) |
1526 | { |
1527 | $string = 'Re: ' . $string; |
1528 | } |
1529 | |
1530 | if ($append != '' && $stripped) |
1531 | { |
1532 | $string = $string . $append; |
1533 | } |
1534 | |
1535 | return $string; |
1536 | } |
1537 | |
1538 | /** |
1539 | * Get username details for placing into templates. |
1540 | * This function caches all modes on first call, except for no_profile and anonymous user - determined by $user_id. |
1541 | * |
1542 | * @html Username spans and links |
1543 | * |
1544 | * @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) |
1545 | * @param int $user_id The users id |
1546 | * @param string $username The users name |
1547 | * @param string $username_colour The users colour |
1548 | * @param string|false $guest_username optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then. |
1549 | * @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} |
1550 | * |
1551 | * @return string A string consisting of what is wanted based on $mode. |
1552 | */ |
1553 | function get_username_string($mode, $user_id, $username, $username_colour = '', $guest_username = false, $custom_profile_url = false) |
1554 | { |
1555 | static $_profile_cache; |
1556 | global $phpbb_dispatcher; |
1557 | |
1558 | // We cache some common variables we need within this function |
1559 | if (empty($_profile_cache)) |
1560 | { |
1561 | global $phpbb_root_path, $phpEx; |
1562 | |
1563 | /** @html Username spans and links for usage in the template */ |
1564 | $_profile_cache['base_url'] = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&u={USER_ID}'); |
1565 | $_profile_cache['tpl_noprofile'] = '<span class="username">{USERNAME}</span>'; |
1566 | $_profile_cache['tpl_noprofile_colour'] = '<span style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</span>'; |
1567 | $_profile_cache['tpl_profile'] = '<a href="{PROFILE_URL}" class="username">{USERNAME}</a>'; |
1568 | $_profile_cache['tpl_profile_colour'] = '<a href="{PROFILE_URL}" style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</a>'; |
1569 | } |
1570 | |
1571 | global $user, $auth; |
1572 | |
1573 | // This switch makes sure we only run code required for the mode |
1574 | switch ($mode) |
1575 | { |
1576 | case 'full': |
1577 | case 'no_profile': |
1578 | case 'colour': |
1579 | |
1580 | // Build correct username colour |
1581 | $username_colour = ($username_colour) ? '#' . $username_colour : ''; |
1582 | |
1583 | // Return colour |
1584 | if ($mode == 'colour') |
1585 | { |
1586 | $username_string = $username_colour; |
1587 | break; |
1588 | } |
1589 | |
1590 | // no break; |
1591 | |
1592 | case 'username': |
1593 | |
1594 | // Build correct username |
1595 | if ($guest_username === false) |
1596 | { |
1597 | $username = ($username) ? $username : $user->lang['GUEST']; |
1598 | } |
1599 | else |
1600 | { |
1601 | $username = ($user_id && $user_id != ANONYMOUS) ? $username : ((!empty($guest_username)) ? $guest_username : $user->lang['GUEST']); |
1602 | } |
1603 | |
1604 | // Return username |
1605 | if ($mode == 'username') |
1606 | { |
1607 | $username_string = $username; |
1608 | break; |
1609 | } |
1610 | |
1611 | // no break; |
1612 | |
1613 | case 'profile': |
1614 | |
1615 | // Build correct profile url - only show if not anonymous and permission to view profile if registered user |
1616 | // For anonymous the link leads to a login page. |
1617 | if ($user_id && $user_id != ANONYMOUS && ($user->data['user_id'] == ANONYMOUS || $auth->acl_get('u_viewprofile'))) |
1618 | { |
1619 | $profile_url = ($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']); |
1620 | } |
1621 | else |
1622 | { |
1623 | $profile_url = ''; |
1624 | } |
1625 | |
1626 | // Return profile |
1627 | if ($mode == 'profile') |
1628 | { |
1629 | $username_string = $profile_url; |
1630 | break; |
1631 | } |
1632 | |
1633 | // no break; |
1634 | } |
1635 | |
1636 | if (!isset($username_string)) |
1637 | { |
1638 | if (($mode == 'full' && !$profile_url) || $mode == 'no_profile') |
1639 | { |
1640 | $username_string = str_replace(array('{USERNAME_COLOUR}', '{USERNAME}'), array($username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_noprofile'] : $_profile_cache['tpl_noprofile_colour']); |
1641 | } |
1642 | else |
1643 | { |
1644 | $username_string = str_replace(array('{PROFILE_URL}', '{USERNAME_COLOUR}', '{USERNAME}'), array($profile_url, $username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_profile'] : $_profile_cache['tpl_profile_colour']); |
1645 | } |
1646 | } |
1647 | |
1648 | /** |
1649 | * Use this event to change the output of get_username_string() |
1650 | * |
1651 | * @event core.modify_username_string |
1652 | * @var string mode profile|username|colour|full|no_profile |
1653 | * @var int user_id String or array of additional url |
1654 | * parameters |
1655 | * @var string username The user's username |
1656 | * @var string username_colour The user's colour |
1657 | * @var string guest_username Optional parameter to specify the |
1658 | * guest username. |
1659 | * @var string custom_profile_url Optional parameter to specify a |
1660 | * profile url. |
1661 | * @var string username_string The string that has been generated |
1662 | * @var array _profile_cache Array of original return templates |
1663 | * @since 3.1.0-a1 |
1664 | */ |
1665 | $vars = array( |
1666 | 'mode', |
1667 | 'user_id', |
1668 | 'username', |
1669 | 'username_colour', |
1670 | 'guest_username', |
1671 | 'custom_profile_url', |
1672 | 'username_string', |
1673 | '_profile_cache', |
1674 | ); |
1675 | extract($phpbb_dispatcher->trigger_event('core.modify_username_string', compact($vars))); |
1676 | |
1677 | return $username_string; |
1678 | } |
1679 | |
1680 | /** |
1681 | * Add an option to the quick-mod tools. |
1682 | * |
1683 | * @param string $url The recepting URL for the quickmod actions. |
1684 | * @param string $option The language key for the value of the option. |
1685 | * @param string $lang_string The language string to use. |
1686 | */ |
1687 | function phpbb_add_quickmod_option($url, $option, $lang_string) |
1688 | { |
1689 | global $template, $user, $phpbb_path_helper; |
1690 | |
1691 | $lang_string = $user->lang($lang_string); |
1692 | $template->assign_block_vars('quickmod', array( |
1693 | 'VALUE' => $option, |
1694 | 'TITLE' => $lang_string, |
1695 | 'LINK' => $phpbb_path_helper->append_url_params($url, array('action' => $option)), |
1696 | )); |
1697 | } |
1698 | |
1699 | /** |
1700 | * Concatenate an array into a string list. |
1701 | * |
1702 | * @param array $items Array of items to concatenate |
1703 | * @param object $user The phpBB $user object. |
1704 | * |
1705 | * @return string String list. Examples: "A"; "A and B"; "A, B, and C" |
1706 | */ |
1707 | function phpbb_generate_string_list($items, $user) |
1708 | { |
1709 | if (empty($items)) |
1710 | { |
1711 | return ''; |
1712 | } |
1713 | |
1714 | $count = count($items); |
1715 | $last_item = array_pop($items); |
1716 | $lang_key = 'STRING_LIST_MULTI'; |
1717 | |
1718 | if ($count == 1) |
1719 | { |
1720 | return $last_item; |
1721 | } |
1722 | else if ($count == 2) |
1723 | { |
1724 | $lang_key = 'STRING_LIST_SIMPLE'; |
1725 | } |
1726 | $list = implode($user->lang['COMMA_SEPARATOR'], $items); |
1727 | |
1728 | return $user->lang($lang_key, $list, $last_item); |
1729 | } |
1730 | |
1731 | class bitfield |
1732 | { |
1733 | var $data; |
1734 | |
1735 | function __construct($bitfield = '') |
1736 | { |
1737 | $this->data = base64_decode($bitfield); |
1738 | } |
1739 | |
1740 | /** |
1741 | */ |
1742 | function get($n) |
1743 | { |
1744 | // Get the ($n / 8)th char |
1745 | $byte = $n >> 3; |
1746 | |
1747 | if (strlen($this->data) >= $byte + 1) |
1748 | { |
1749 | $c = $this->data[$byte]; |
1750 | |
1751 | // Lookup the ($n % 8)th bit of the byte |
1752 | $bit = 7 - ($n & 7); |
1753 | return (bool) (ord($c) & (1 << $bit)); |
1754 | } |
1755 | else |
1756 | { |
1757 | return false; |
1758 | } |
1759 | } |
1760 | |
1761 | function set($n) |
1762 | { |
1763 | $byte = $n >> 3; |
1764 | $bit = 7 - ($n & 7); |
1765 | |
1766 | if (strlen($this->data) >= $byte + 1) |
1767 | { |
1768 | $this->data[$byte] = $this->data[$byte] | chr(1 << $bit); |
1769 | } |
1770 | else |
1771 | { |
1772 | $this->data .= str_repeat("\0", $byte - strlen($this->data)); |
1773 | $this->data .= chr(1 << $bit); |
1774 | } |
1775 | } |
1776 | |
1777 | function clear($n) |
1778 | { |
1779 | $byte = $n >> 3; |
1780 | |
1781 | if (strlen($this->data) >= $byte + 1) |
1782 | { |
1783 | $bit = 7 - ($n & 7); |
1784 | $this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit); |
1785 | } |
1786 | } |
1787 | |
1788 | function get_blob() |
1789 | { |
1790 | return $this->data; |
1791 | } |
1792 | |
1793 | function get_base64() |
1794 | { |
1795 | return base64_encode($this->data); |
1796 | } |
1797 | |
1798 | function get_bin() |
1799 | { |
1800 | $bin = ''; |
1801 | $len = strlen($this->data); |
1802 | |
1803 | for ($i = 0; $i < $len; ++$i) |
1804 | { |
1805 | $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT); |
1806 | } |
1807 | |
1808 | return $bin; |
1809 | } |
1810 | |
1811 | function get_all_set() |
1812 | { |
1813 | return array_keys(array_filter(str_split($this->get_bin()))); |
1814 | } |
1815 | |
1816 | function merge($bitfield) |
1817 | { |
1818 | $this->data = $this->data | $bitfield->get_blob(); |
1819 | } |
1820 | } |
1821 | |
1822 | /** |
1823 | * Formats the quote according to the given BBCode status setting |
1824 | * |
1825 | * @param phpbb\language\language $language Language class |
1826 | * @param parse_message $message_parser Message parser class |
1827 | * @param phpbb\textformatter\utils_interface $text_formatter_utils Text formatter utilities |
1828 | * @param bool $bbcode_status The status of the BBCode setting |
1829 | * @param array $quote_attributes The attributes of the quoted post |
1830 | * @param string $message_link Link of the original quoted post |
1831 | */ |
1832 | function phpbb_format_quote($language, $message_parser, $text_formatter_utils, $bbcode_status, $quote_attributes, $message_link = '') |
1833 | { |
1834 | if ($bbcode_status) |
1835 | { |
1836 | $quote_text = $text_formatter_utils->generate_quote( |
1837 | censor_text($message_parser->message), |
1838 | $quote_attributes |
1839 | ); |
1840 | |
1841 | $message_parser->message = $quote_text . "\n\n"; |
1842 | } |
1843 | else |
1844 | { |
1845 | $offset = 0; |
1846 | $quote_string = "> "; |
1847 | $message = censor_text(trim($message_parser->message)); |
1848 | // see if we are nesting. It's easily tricked but should work for one level of nesting |
1849 | if (strpos($message, ">") !== false) |
1850 | { |
1851 | $offset = 10; |
1852 | } |
1853 | $message = utf8_wordwrap($message, 75 + $offset, "\n"); |
1854 | |
1855 | $message = $quote_string . $message; |
1856 | $message = str_replace("\n", "\n" . $quote_string, $message); |
1857 | |
1858 | $message_parser->message = $quote_attributes['author'] . " " . $language->lang('WROTE') . ":\n" . $message . "\n"; |
1859 | } |
1860 | |
1861 | if ($message_link) |
1862 | { |
1863 | $message_parser->message = $message_link . $message_parser->message; |
1864 | } |
1865 | } |