root / branches / phpBB-3_0_0 / phpBB / includes / functions_content.php
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| 1 | <?php
|
|---|---|
| 2 | /**
|
| 3 | * |
| 4 | * @package phpBB3 |
| 5 | * @version $Id: functions_content.php 11376 2011-08-21 12:30:17Z git-gate $ |
| 6 | * @copyright (c) 2005 phpBB Group |
| 7 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | /**
|
| 12 | * @ignore |
| 13 | */ |
| 14 | if (!defined('IN_PHPBB')) |
| 15 | {
|
| 16 | exit;
|
| 17 | } |
| 18 | |
| 19 | /**
|
| 20 | * gen_sort_selects() |
| 21 | * make_jumpbox() |
| 22 | * bump_topic_allowed() |
| 23 | * get_context() |
| 24 | * decode_message() |
| 25 | * strip_bbcode() |
| 26 | * generate_text_for_display() |
| 27 | * generate_text_for_storage() |
| 28 | * generate_text_for_edit() |
| 29 | * make_clickable_callback() |
| 30 | * make_clickable() |
| 31 | * censor_text() |
| 32 | * bbcode_nl2br() |
| 33 | * smiley_text() |
| 34 | * parse_attachments() |
| 35 | * extension_allowed() |
| 36 | * truncate_string() |
| 37 | * get_username_string() |
| 38 | * class bitfield |
| 39 | */ |
| 40 | |
| 41 | /**
|
| 42 | * Generate sort selection fields |
| 43 | */ |
| 44 | 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) |
| 45 | {
|
| 46 | global $user; |
| 47 | |
| 48 | $sort_dir_text = array('a' => $user->lang['ASCENDING'], 'd' => $user->lang['DESCENDING']); |
| 49 | |
| 50 | $sorts = array( |
| 51 | 'st' => array( |
| 52 | 'key' => 'sort_days', |
| 53 | 'default' => $def_st, |
| 54 | 'options' => $limit_days, |
| 55 | 'output' => &$s_limit_days, |
| 56 | ), |
| 57 | |
| 58 | 'sk' => array( |
| 59 | 'key' => 'sort_key', |
| 60 | 'default' => $def_sk, |
| 61 | 'options' => $sort_by_text, |
| 62 | 'output' => &$s_sort_key, |
| 63 | ), |
| 64 | |
| 65 | 'sd' => array( |
| 66 | 'key' => 'sort_dir', |
| 67 | 'default' => $def_sd, |
| 68 | 'options' => $sort_dir_text, |
| 69 | 'output' => &$s_sort_dir, |
| 70 | ), |
| 71 | ); |
| 72 | $u_sort_param = ''; |
| 73 | |
| 74 | foreach ($sorts as $name => $sort_ary) |
| 75 | {
|
| 76 | $key = $sort_ary['key']; |
| 77 | $selected = $$sort_ary['key']; |
| 78 | |
| 79 | // Check if the key is selectable. If not, we reset to the default or first key found.
|
| 80 | // This ensures the values are always valid. We also set $sort_dir/sort_key/etc. to the
|
| 81 | // correct value, else the protection is void. ;)
|
| 82 | if (!isset($sort_ary['options'][$selected])) |
| 83 | {
|
| 84 | if ($sort_ary['default'] !== false) |
| 85 | {
|
| 86 | $selected = $$key = $sort_ary['default']; |
| 87 | } |
| 88 | else
|
| 89 | {
|
| 90 | @reset($sort_ary['options']); |
| 91 | $selected = $$key = key($sort_ary['options']); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | $sort_ary['output'] = '<select name="' . $name . '" id="' . $name . '">'; |
| 96 | foreach ($sort_ary['options'] as $option => $text) |
| 97 | {
|
| 98 | $sort_ary['output'] .= '<option value="' . $option . '"' . (($selected == $option) ? ' selected="selected"' : '') . '>' . $text . '</option>'; |
| 99 | } |
| 100 | $sort_ary['output'] .= '</select>'; |
| 101 | |
| 102 | $u_sort_param .= ($selected !== $sort_ary['default']) ? ((strlen($u_sort_param)) ? '&' : '') . "{$name}={$selected}" : ''; |
| 103 | } |
| 104 | |
| 105 | return;
|
| 106 | } |
| 107 | |
| 108 | /**
|
| 109 | * Generate Jumpbox |
| 110 | */ |
| 111 | function make_jumpbox($action, $forum_id = false, $select_all = false, $acl_list = false, $force_display = false) |
| 112 | {
|
| 113 | global $config, $auth, $template, $user, $db; |
| 114 | |
| 115 | // We only return if the jumpbox is not forced to be displayed (in case it is needed for functionality)
|
| 116 | if (!$config['load_jumpbox'] && $force_display === false) |
| 117 | {
|
| 118 | return;
|
| 119 | } |
| 120 | |
| 121 | $sql = 'SELECT forum_id, forum_name, parent_id, forum_type, left_id, right_id |
| 122 | FROM ' . FORUMS_TABLE . ' |
| 123 | ORDER BY left_id ASC';
|
| 124 | $result = $db->sql_query($sql, 600); |
| 125 | |
| 126 | $right = $padding = 0; |
| 127 | $padding_store = array('0' => 0); |
| 128 | $display_jumpbox = false; |
| 129 | $iteration = 0; |
| 130 | |
| 131 | // Sometimes it could happen that forums will be displayed here not be displayed within the index page
|
| 132 | // This is the result of forums not displayed at index, having list permissions and a parent of a forum with no permissions.
|
| 133 | // If this happens, the padding could be "broken"
|
| 134 | |
| 135 | while ($row = $db->sql_fetchrow($result)) |
| 136 | {
|
| 137 | if ($row['left_id'] < $right) |
| 138 | {
|
| 139 | $padding++;
|
| 140 | $padding_store[$row['parent_id']] = $padding; |
| 141 | } |
| 142 | else if ($row['left_id'] > $right + 1) |
| 143 | {
|
| 144 | // Ok, if the $padding_store for this parent is empty there is something wrong. For now we will skip over it.
|
| 145 | // @todo digging deep to find out "how" this can happen.
|
| 146 | $padding = (isset($padding_store[$row['parent_id']])) ? $padding_store[$row['parent_id']] : $padding; |
| 147 | } |
| 148 | |
| 149 | $right = $row['right_id']; |
| 150 | |
| 151 | if ($row['forum_type'] == FORUM_CAT && ($row['left_id'] + 1 == $row['right_id'])) |
| 152 | {
|
| 153 | // Non-postable forum with no subforums, don't display
|
| 154 | continue;
|
| 155 | } |
| 156 | |
| 157 | if (!$auth->acl_get('f_list', $row['forum_id'])) |
| 158 | {
|
| 159 | // if the user does not have permissions to list this forum skip
|
| 160 | continue;
|
| 161 | } |
| 162 | |
| 163 | if ($acl_list && !$auth->acl_gets($acl_list, $row['forum_id'])) |
| 164 | {
|
| 165 | continue;
|
| 166 | } |
| 167 | |
| 168 | if (!$display_jumpbox) |
| 169 | {
|
| 170 | $template->assign_block_vars('jumpbox_forums', array( |
| 171 | 'FORUM_ID' => ($select_all) ? 0 : -1, |
| 172 | 'FORUM_NAME' => ($select_all) ? $user->lang['ALL_FORUMS'] : $user->lang['SELECT_FORUM'], |
| 173 | 'S_FORUM_COUNT' => $iteration) |
| 174 | ); |
| 175 | |
| 176 | $iteration++;
|
| 177 | $display_jumpbox = true; |
| 178 | } |
| 179 | |
| 180 | $template->assign_block_vars('jumpbox_forums', array( |
| 181 | 'FORUM_ID' => $row['forum_id'], |
| 182 | 'FORUM_NAME' => $row['forum_name'], |
| 183 | 'SELECTED' => ($row['forum_id'] == $forum_id) ? ' selected="selected"' : '', |
| 184 | 'S_FORUM_COUNT' => $iteration, |
| 185 | 'S_IS_CAT' => ($row['forum_type'] == FORUM_CAT) ? true : false, |
| 186 | 'S_IS_LINK' => ($row['forum_type'] == FORUM_LINK) ? true : false, |
| 187 | 'S_IS_POST' => ($row['forum_type'] == FORUM_POST) ? true : false) |
| 188 | ); |
| 189 | |
| 190 | for ($i = 0; $i < $padding; $i++) |
| 191 | {
|
| 192 | $template->assign_block_vars('jumpbox_forums.level', array()); |
| 193 | } |
| 194 | $iteration++;
|
| 195 | } |
| 196 | $db->sql_freeresult($result); |
| 197 | unset($padding_store); |
| 198 | |
| 199 | $template->assign_vars(array( |
| 200 | 'S_DISPLAY_JUMPBOX' => $display_jumpbox, |
| 201 | 'S_JUMPBOX_ACTION' => $action) |
| 202 | ); |
| 203 | |
| 204 | return;
|
| 205 | } |
| 206 | |
| 207 | /**
|
| 208 | * Bump Topic Check - used by posting and viewtopic |
| 209 | */ |
| 210 | function bump_topic_allowed($forum_id, $topic_bumped, $last_post_time, $topic_poster, $last_topic_poster) |
| 211 | {
|
| 212 | global $config, $auth, $user; |
| 213 | |
| 214 | // Check permission and make sure the last post was not already bumped
|
| 215 | if (!$auth->acl_get('f_bump', $forum_id) || $topic_bumped) |
| 216 | {
|
| 217 | return false; |
| 218 | } |
| 219 | |
| 220 | // Check bump time range, is the user really allowed to bump the topic at this time?
|
| 221 | $bump_time = ($config['bump_type'] == 'm') ? $config['bump_interval'] * 60 : (($config['bump_type'] == 'h') ? $config['bump_interval'] * 3600 : $config['bump_interval'] * 86400); |
| 222 | |
| 223 | // Check bump time
|
| 224 | if ($last_post_time + $bump_time > time()) |
| 225 | {
|
| 226 | return false; |
| 227 | } |
| 228 | |
| 229 | // Check bumper, only topic poster and last poster are allowed to bump
|
| 230 | if ($topic_poster != $user->data['user_id'] && $last_topic_poster != $user->data['user_id']) |
| 231 | {
|
| 232 | return false; |
| 233 | } |
| 234 | |
| 235 | // A bump time of 0 will completely disable the bump feature... not intended but might be useful.
|
| 236 | return $bump_time; |
| 237 | } |
| 238 | |
| 239 | /**
|
| 240 | * Generates a text with approx. the specified length which contains the specified words and their context |
| 241 | * |
| 242 | * @param string $text The full text from which context shall be extracted |
| 243 | * @param string $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!) |
| 244 | * @param int $length The desired length of the resulting text, however the result might be shorter or longer than this value |
| 245 | * |
| 246 | * @return string Context of the specified words separated by "..." |
| 247 | */ |
| 248 | function get_context($text, $words, $length = 400) |
| 249 | {
|
| 250 | // first replace all whitespaces with single spaces
|
| 251 | $text = preg_replace('/ +/', ' ', strtr($text, "\t\n\r\x0C ", ' ')); |
| 252 | |
| 253 | // we need to turn the entities back into their original form, to not cut the message in between them
|
| 254 | $entities = array('<', '>', '[', ']', '.', ':', ':'); |
| 255 | $characters = array('<', '>', '[', ']', '.', ':', ':'); |
| 256 | $text = str_replace($entities, $characters, $text); |
| 257 | |
| 258 | $word_indizes = array(); |
| 259 | if (sizeof($words)) |
| 260 | {
|
| 261 | $match = ''; |
| 262 | // find the starting indizes of all words
|
| 263 | foreach ($words as $word) |
| 264 | {
|
| 265 | if ($word) |
| 266 | {
|
| 267 | if (preg_match('#(?:[^\w]|^)(' . $word . ')(?:[^\w]|$)#i', $text, $match)) |
| 268 | {
|
| 269 | if (empty($match[1])) |
| 270 | {
|
| 271 | continue;
|
| 272 | } |
| 273 | |
| 274 | $pos = utf8_strpos($text, $match[1]); |
| 275 | if ($pos !== false) |
| 276 | {
|
| 277 | $word_indizes[] = $pos; |
| 278 | } |
| 279 | } |
| 280 | } |
| 281 | } |
| 282 | unset($match); |
| 283 | |
| 284 | if (sizeof($word_indizes)) |
| 285 | {
|
| 286 | $word_indizes = array_unique($word_indizes); |
| 287 | sort($word_indizes); |
| 288 | |
| 289 | $wordnum = sizeof($word_indizes); |
| 290 | // number of characters on the right and left side of each word
|
| 291 | $sequence_length = (int) ($length / (2 * $wordnum)) - 2; |
| 292 | $final_text = ''; |
| 293 | $word = $j = 0; |
| 294 | $final_text_index = -1; |
| 295 | |
| 296 | // cycle through every character in the original text
|
| 297 | for ($i = $word_indizes[$word], $n = utf8_strlen($text); $i < $n; $i++) |
| 298 | {
|
| 299 | // if the current position is the start of one of the words then append $sequence_length characters to the final text
|
| 300 | if (isset($word_indizes[$word]) && ($i == $word_indizes[$word])) |
| 301 | {
|
| 302 | if ($final_text_index < $i - $sequence_length - 1) |
| 303 | {
|
| 304 | $final_text .= '... ' . preg_replace('#^([^ ]*)#', '', utf8_substr($text, $i - $sequence_length, $sequence_length)); |
| 305 | } |
| 306 | else
|
| 307 | {
|
| 308 | // if the final text is already nearer to the current word than $sequence_length we only append the text
|
| 309 | // from its current index on and distribute the unused length to all other sequenes
|
| 310 | $sequence_length += (int) (($final_text_index - $i + $sequence_length + 1) / (2 * $wordnum)); |
| 311 | $final_text .= utf8_substr($text, $final_text_index + 1, $i - $final_text_index - 1); |
| 312 | } |
| 313 | $final_text_index = $i - 1; |
| 314 | |
| 315 | // add the following characters to the final text (see below)
|
| 316 | $word++;
|
| 317 | $j = 1; |
| 318 | } |
| 319 | |
| 320 | if ($j > 0) |
| 321 | {
|
| 322 | // add the character to the final text and increment the sequence counter
|
| 323 | $final_text .= utf8_substr($text, $i, 1); |
| 324 | $final_text_index++;
|
| 325 | $j++;
|
| 326 | |
| 327 | // if this is a whitespace then check whether we are done with this sequence
|
| 328 | if (utf8_substr($text, $i, 1) == ' ') |
| 329 | {
|
| 330 | // only check whether we have to exit the context generation completely if we haven't already reached the end anyway
|
| 331 | if ($i + 4 < $n) |
| 332 | {
|
| 333 | if (($j > $sequence_length && $word >= $wordnum) || utf8_strlen($final_text) > $length) |
| 334 | {
|
| 335 | $final_text .= ' ...'; |
| 336 | break;
|
| 337 | } |
| 338 | } |
| 339 | else
|
| 340 | {
|
| 341 | // make sure the text really reaches the end
|
| 342 | $j -= 4; |
| 343 | } |
| 344 | |
| 345 | // stop context generation and wait for the next word
|
| 346 | if ($j > $sequence_length) |
| 347 | {
|
| 348 | $j = 0; |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | return str_replace($characters, $entities, $final_text); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | if (!sizeof($words) || !sizeof($word_indizes)) |
| 358 | {
|
| 359 | return str_replace($characters, $entities, ((utf8_strlen($text) >= $length + 3) ? utf8_substr($text, 0, $length) . '...' : $text)); |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | /**
|
| 364 | * Decode text whereby text is coming from the db and expected to be pre-parsed content |
| 365 | * We are placing this outside of the message parser because we are often in need of it... |
| 366 | */ |
| 367 | function decode_message(&$message, $bbcode_uid = '') |
| 368 | {
|
| 369 | global $config; |
| 370 | |
| 371 | if ($bbcode_uid) |
| 372 | {
|
| 373 | $match = array('<br />', "[/*:m:$bbcode_uid]", ":u:$bbcode_uid", ":o:$bbcode_uid", ":$bbcode_uid"); |
| 374 | $replace = array("\n", '', '', '', ''); |
| 375 | } |
| 376 | else
|
| 377 | {
|
| 378 | $match = array('<br />'); |
| 379 | $replace = array("\n"); |
| 380 | } |
| 381 | |
| 382 | $message = str_replace($match, $replace, $message); |
| 383 | |
| 384 | $match = get_preg_expression('bbcode_htm'); |
| 385 | $replace = array('\1', '\1', '\2', '\1', '', ''); |
| 386 | |
| 387 | $message = preg_replace($match, $replace, $message); |
| 388 | } |
| 389 | |
| 390 | /**
|
| 391 | * Strips all bbcode from a text and returns the plain content |
| 392 | */ |
| 393 | function strip_bbcode(&$text, $uid = '') |
| 394 | {
|
| 395 | if (!$uid) |
| 396 | {
|
| 397 | $uid = '[0-9a-z]{5,}'; |
| 398 | } |
| 399 | |
| 400 | $text = preg_replace("#\[\/?[a-z0-9\*\+\-]+(?:=(?:".*"|[^\]]*))?(?::[a-z])?(\:$uid)\]#", ' ', $text); |
| 401 | |
| 402 | $match = get_preg_expression('bbcode_htm'); |
| 403 | $replace = array('\1', '\1', '\2', '\1', '', ''); |
| 404 | |
| 405 | $text = preg_replace($match, $replace, $text); |
| 406 | } |
| 407 | |
| 408 | /**
|
| 409 | * For display of custom parsed text on user-facing pages |
| 410 | * Expects $text to be the value directly from the database (stored value) |
| 411 | */ |
| 412 | function generate_text_for_display($text, $uid, $bitfield, $flags) |
| 413 | {
|
| 414 | static $bbcode; |
| 415 | |
| 416 | if (!$text) |
| 417 | {
|
| 418 | return ''; |
| 419 | } |
| 420 | |
| 421 | $text = censor_text($text); |
| 422 | |
| 423 | // Parse bbcode if bbcode uid stored and bbcode enabled
|
| 424 | if ($uid && ($flags & OPTION_FLAG_BBCODE)) |
| 425 | {
|
| 426 | if (!class_exists('bbcode')) |
| 427 | {
|
| 428 | global $phpbb_root_path, $phpEx; |
| 429 | include($phpbb_root_path . 'includes/bbcode.' . $phpEx); |
| 430 | } |
| 431 | |
| 432 | if (empty($bbcode)) |
| 433 | {
|
| 434 | $bbcode = new bbcode($bitfield); |
| 435 | } |
| 436 | else
|
| 437 | {
|
| 438 | $bbcode->bbcode($bitfield); |
| 439 | } |
| 440 | |
| 441 | $bbcode->bbcode_second_pass($text, $uid); |
| 442 | } |
| 443 | |
| 444 | $text = bbcode_nl2br($text); |
| 445 | $text = smiley_text($text, !($flags & OPTION_FLAG_SMILIES)); |
| 446 | |
| 447 | return $text; |
| 448 | } |
| 449 | |
| 450 | /**
|
| 451 | * For parsing custom parsed text to be stored within the database. |
| 452 | * This function additionally returns the uid and bitfield that needs to be stored. |
| 453 | * Expects $text to be the value directly from request_var() and in it's non-parsed form |
| 454 | */ |
| 455 | function generate_text_for_storage(&$text, &$uid, &$bitfield, &$flags, $allow_bbcode = false, $allow_urls = false, $allow_smilies = false) |
| 456 | {
|
| 457 | global $phpbb_root_path, $phpEx; |
| 458 | |
| 459 | $uid = $bitfield = ''; |
| 460 | $flags = (($allow_bbcode) ? OPTION_FLAG_BBCODE : 0) + (($allow_smilies) ? OPTION_FLAG_SMILIES : 0) + (($allow_urls) ? OPTION_FLAG_LINKS : 0); |
| 461 | |
| 462 | if (!$text) |
| 463 | {
|
| 464 | return;
|
| 465 | } |
| 466 | |
| 467 | if (!class_exists('parse_message')) |
| 468 | {
|
| 469 | include($phpbb_root_path . 'includes/message_parser.' . $phpEx); |
| 470 | } |
| 471 | |
| 472 | $message_parser = new parse_message($text); |
| 473 | $message_parser->parse($allow_bbcode, $allow_urls, $allow_smilies); |
| 474 | |
| 475 | $text = $message_parser->message; |
| 476 | $uid = $message_parser->bbcode_uid; |
| 477 | |
| 478 | // If the bbcode_bitfield is empty, there is no need for the uid to be stored.
|
| 479 | if (!$message_parser->bbcode_bitfield) |
| 480 | {
|
| 481 | $uid = ''; |
| 482 | } |
| 483 | |
| 484 | $bitfield = $message_parser->bbcode_bitfield; |
| 485 | |
| 486 | return;
|
| 487 | } |
| 488 | |
| 489 | /**
|
| 490 | * For decoding custom parsed text for edits as well as extracting the flags |
| 491 | * Expects $text to be the value directly from the database (pre-parsed content) |
| 492 | */ |
| 493 | function generate_text_for_edit($text, $uid, $flags) |
| 494 | {
|
| 495 | global $phpbb_root_path, $phpEx; |
| 496 | |
| 497 | decode_message($text, $uid); |
| 498 | |
| 499 | return array( |
| 500 | 'allow_bbcode' => ($flags & OPTION_FLAG_BBCODE) ? 1 : 0, |
| 501 | 'allow_smilies' => ($flags & OPTION_FLAG_SMILIES) ? 1 : 0, |
| 502 | 'allow_urls' => ($flags & OPTION_FLAG_LINKS) ? 1 : 0, |
| 503 | 'text' => $text |
| 504 | ); |
| 505 | } |
| 506 | |
| 507 | /**
|
| 508 | * A subroutine of make_clickable used with preg_replace |
| 509 | * It places correct HTML around an url, shortens the displayed text |
| 510 | * and makes sure no entities are inside URLs |
| 511 | */ |
| 512 | function make_clickable_callback($type, $whitespace, $url, $relative_url, $class) |
| 513 | {
|
| 514 | $orig_url = $url; |
| 515 | $orig_relative = $relative_url; |
| 516 | $append = ''; |
| 517 | $url = htmlspecialchars_decode($url); |
| 518 | $relative_url = htmlspecialchars_decode($relative_url); |
| 519 | |
| 520 | // make sure no HTML entities were matched
|
| 521 | $chars = array('<', '>', '"'); |
| 522 | $split = false; |
| 523 | |
| 524 | foreach ($chars as $char) |
| 525 | {
|
| 526 | $next_split = strpos($url, $char); |
| 527 | if ($next_split !== false) |
| 528 | {
|
| 529 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | if ($split !== false) |
| 534 | {
|
| 535 | // an HTML entity was found, so the URL has to end before it
|
| 536 | $append = substr($url, $split) . $relative_url; |
| 537 | $url = substr($url, 0, $split); |
| 538 | $relative_url = ''; |
| 539 | } |
| 540 | else if ($relative_url) |
| 541 | {
|
| 542 | // same for $relative_url
|
| 543 | $split = false; |
| 544 | foreach ($chars as $char) |
| 545 | {
|
| 546 | $next_split = strpos($relative_url, $char); |
| 547 | if ($next_split !== false) |
| 548 | {
|
| 549 | $split = ($split !== false) ? min($split, $next_split) : $next_split; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | if ($split !== false) |
| 554 | {
|
| 555 | $append = substr($relative_url, $split); |
| 556 | $relative_url = substr($relative_url, 0, $split); |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | // if the last character of the url is a punctuation mark, exclude it from the url
|
| 561 | $last_char = ($relative_url) ? $relative_url[strlen($relative_url) - 1] : $url[strlen($url) - 1]; |
| 562 | |
| 563 | switch ($last_char) |
| 564 | {
|
| 565 | case '.': |
| 566 | case '?': |
| 567 | case '!': |
| 568 | case ':': |
| 569 | case ',': |
| 570 | $append = $last_char; |
| 571 | if ($relative_url) |
| 572 | {
|
| 573 | $relative_url = substr($relative_url, 0, -1); |
| 574 | } |
| 575 | else
|
| 576 | {
|
| 577 | $url = substr($url, 0, -1); |
| 578 | } |
| 579 | break;
|
| 580 | |
| 581 | // set last_char to empty here, so the variable can be used later to
|
| 582 | // check whether a character was removed
|
| 583 | default:
|
| 584 | $last_char = ''; |
| 585 | break;
|
| 586 | } |
| 587 | |
| 588 | $short_url = (strlen($url) > 55) ? substr($url, 0, 39) . ' ... ' . substr($url, -10) : $url; |
| 589 | |
| 590 | switch ($type) |
| 591 | {
|
| 592 | case MAGIC_URL_LOCAL: |
| 593 | $tag = 'l'; |
| 594 | $relative_url = preg_replace('/[&?]sid=[0-9a-f]{32}$/', '', preg_replace('/([&?])sid=[0-9a-f]{32}&/', '$1', $relative_url)); |
| 595 | $url = $url . '/' . $relative_url; |
| 596 | $text = $relative_url; |
| 597 | |
| 598 | // this url goes to http://domain.tld/path/to/board/ which
|
| 599 | // would result in an empty link if treated as local so
|
| 600 | // don't touch it and let MAGIC_URL_FULL take care of it.
|
| 601 | if (!$relative_url) |
| 602 | {
|
| 603 | return $whitespace . $orig_url . '/' . $orig_relative; // slash is taken away by relative url pattern |
| 604 | } |
| 605 | break;
|
| 606 | |
| 607 | case MAGIC_URL_FULL: |
| 608 | $tag = 'm'; |
| 609 | $text = $short_url; |
| 610 | break;
|
| 611 | |
| 612 | case MAGIC_URL_WWW: |
| 613 | $tag = 'w'; |
| 614 | $url = 'http://' . $url; |
| 615 | $text = $short_url; |
| 616 | break;
|
| 617 | |
| 618 | case MAGIC_URL_EMAIL: |
| 619 | $tag = 'e'; |
| 620 | $text = $short_url; |
| 621 | $url = 'mailto:' . $url; |
| 622 | break;
|
| 623 | } |
| 624 | |
| 625 | $url = htmlspecialchars($url); |
| 626 | $text = htmlspecialchars($text); |
| 627 | $append = htmlspecialchars($append); |
| 628 | |
| 629 | $html = "$whitespace<!-- $tag --><a$class href=\"$url\">$text</a><!-- $tag -->$append"; |
| 630 | |
| 631 | return $html; |
| 632 | } |
| 633 | |
| 634 | /**
|
| 635 | * make_clickable function |
| 636 | * |
| 637 | * Replace magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx. |
| 638 | * Cuts down displayed size of link if over 50 chars, turns absolute links |
| 639 | * into relative versions when the server/script path matches the link |
| 640 | */ |
| 641 | function make_clickable($text, $server_url = false, $class = 'postlink') |
| 642 | {
|
| 643 | if ($server_url === false) |
| 644 | {
|
| 645 | $server_url = generate_board_url();
|
| 646 | } |
| 647 | |
| 648 | static $magic_url_match; |
| 649 | static $magic_url_replace; |
| 650 | static $static_class; |
| 651 | |
| 652 | if (!is_array($magic_url_match) || $static_class != $class) |
| 653 | {
|
| 654 | $static_class = $class; |
| 655 | $class = ($static_class) ? ' class="' . $static_class . '"' : ''; |
| 656 | $local_class = ($static_class) ? ' class="' . $static_class . '-local"' : ''; |
| 657 | |
| 658 | $magic_url_match = $magic_url_replace = array(); |
| 659 | // Be sure to not let the matches cross over. ;)
|
| 660 | |
| 661 | // relative urls for this board
|
| 662 | $magic_url_match[] = '#(^|[\n\t (>.])(' . preg_quote($server_url, '#') . ')/(' . get_preg_expression('relative_url_inline') . ')#ie'; |
| 663 | $magic_url_replace[] = "make_clickable_callback(MAGIC_URL_LOCAL, '\$1', '\$2', '\$3', '$local_class')"; |
| 664 | |
| 665 | // matches a xxxx://aaaaa.bbb.cccc. ...
|
| 666 | $magic_url_match[] = '#(^|[\n\t (>.])(' . get_preg_expression('url_inline') . ')#ie'; |
| 667 | $magic_url_replace[] = "make_clickable_callback(MAGIC_URL_FULL, '\$1', '\$2', '', '$class')"; |
| 668 | |
| 669 | // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing
|
| 670 | $magic_url_match[] = '#(^|[\n\t (>])(' . get_preg_expression('www_url_inline') . ')#ie'; |
| 671 | $magic_url_replace[] = "make_clickable_callback(MAGIC_URL_WWW, '\$1', '\$2', '', '$class')"; |
| 672 | |
| 673 | // matches an email@domain type address at the start of a line, or after a space or after what might be a BBCode.
|
| 674 | $magic_url_match[] = '/(^|[\n\t (>])(' . get_preg_expression('email') . ')/ie'; |
| 675 | $magic_url_replace[] = "make_clickable_callback(MAGIC_URL_EMAIL, '\$1', '\$2', '', '')"; |
| 676 | } |
| 677 | |
| 678 | return preg_replace($magic_url_match, $magic_url_replace, $text); |
| 679 | } |
| 680 | |
| 681 | /**
|
| 682 | * Censoring |
| 683 | */ |
| 684 | function censor_text($text) |
| 685 | {
|
| 686 | static $censors; |
| 687 | |
| 688 | // Nothing to do?
|
| 689 | if ($text === '') |
| 690 | {
|
| 691 | return ''; |
| 692 | } |
| 693 | |
| 694 | // We moved the word censor checks in here because we call this function quite often - and then only need to do the check once
|
| 695 | if (!isset($censors) || !is_array($censors)) |
| 696 | {
|
| 697 | global $config, $user, $auth, $cache; |
| 698 | |
| 699 | // We check here if the user is having viewing censors disabled (and also allowed to do so).
|
| 700 | if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) |
| 701 | {
|
| 702 | $censors = array(); |
| 703 | } |
| 704 | else
|
| 705 | {
|
| 706 | $censors = $cache->obtain_word_list(); |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | if (sizeof($censors)) |
| 711 | {
|
| 712 | return preg_replace($censors['match'], $censors['replace'], $text); |
| 713 | } |
| 714 | |
| 715 | return $text; |
| 716 | } |
| 717 | |
| 718 | /**
|
| 719 | * custom version of nl2br which takes custom BBCodes into account |
| 720 | */ |
| 721 | function bbcode_nl2br($text) |
| 722 | {
|
| 723 | // custom BBCodes might contain carriage returns so they
|
| 724 | // are not converted into <br /> so now revert that
|
| 725 | $text = str_replace(array("\n", "\r"), array('<br />', "\n"), $text); |
| 726 | return $text; |
| 727 | } |
| 728 | |
| 729 | /**
|
| 730 | * Smiley processing |
| 731 | */ |
| 732 | function smiley_text($text, $force_option = false) |
| 733 | {
|
| 734 | global $config, $user, $phpbb_root_path; |
| 735 | |
| 736 | if ($force_option || !$config['allow_smilies'] || !$user->optionget('viewsmilies')) |
| 737 | {
|
| 738 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $text); |
| 739 | } |
| 740 | else
|
| 741 | {
|
| 742 | $root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $phpbb_root_path; |
| 743 | return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/(.*?) \/><!\-\- s\1 \-\->#', '<img src="' . $root_path . $config['smilies_path'] . '/\2 />', $text); |
| 744 | } |
| 745 | } |
| 746 | |
| 747 | /**
|
| 748 | * General attachment parsing |
| 749 | * |
| 750 | * @param mixed $forum_id The forum id the attachments are displayed in (false if in private message) |
| 751 | * @param string &$message The post/private message |
| 752 | * @param array &$attachments The attachments to parse for (inline) display. The attachments array will hold templated data after parsing. |
| 753 | * @param array &$update_count The attachment counts to be updated - will be filled |
| 754 | * @param bool $preview If set to true the attachments are parsed for preview. Within preview mode the comments are fetched from the given $attachments array and not fetched from the database. |
| 755 | */ |
| 756 | function parse_attachments($forum_id, &$message, &$attachments, &$update_count, $preview = false) |
| 757 | {
|
| 758 | if (!sizeof($attachments)) |
| 759 | {
|
| 760 | return;
|
| 761 | } |
| 762 | |
| 763 | global $template, $cache, $user; |
| 764 | global $extensions, $config, $phpbb_root_path, $phpEx; |
| 765 | |
| 766 | //
|
| 767 | $compiled_attachments = array(); |
| 768 | |
| 769 | if (!isset($template->filename['attachment_tpl'])) |
| 770 | {
|
| 771 | $template->set_filenames(array( |
| 772 | 'attachment_tpl' => 'attachment.html') |
| 773 | ); |
| 774 | } |
| 775 | |
| 776 | if (empty($extensions) || !is_array($extensions)) |
| 777 | {
|
| 778 | $extensions = $cache->obtain_attach_extensions($forum_id); |
| 779 | } |
| 780 | |
| 781 | // Look for missing attachment information...
|
| 782 | $attach_ids = array(); |
| 783 | foreach ($attachments as $pos => $attachment) |
| 784 | {
|
| 785 | // If is_orphan is set, we need to retrieve the attachments again...
|
| 786 | if (!isset($attachment['extension']) && !isset($attachment['physical_filename'])) |
| 787 | {
|
| 788 | $attach_ids[(int) $attachment['attach_id']] = $pos; |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | // Grab attachments (security precaution)
|
| 793 | if (sizeof($attach_ids)) |
| 794 | {
|
| 795 | global $db; |
| 796 | |
| 797 | $new_attachment_data = array(); |
| 798 | |
| 799 | $sql = 'SELECT * |
| 800 | FROM ' . ATTACHMENTS_TABLE . ' |
| 801 | WHERE ' . $db->sql_in_set('attach_id', array_keys($attach_ids)); |
| 802 | $result = $db->sql_query($sql); |
| 803 | |
| 804 | while ($row = $db->sql_fetchrow($result)) |
| 805 | {
|
| 806 | if (!isset($attach_ids[$row['attach_id']])) |
| 807 | {
|
| 808 | continue;
|
| 809 | } |
| 810 | |
| 811 | // If we preview attachments we will set some retrieved values here
|
| 812 | if ($preview) |
| 813 | {
|
| 814 | $row['attach_comment'] = $attachments[$attach_ids[$row['attach_id']]]['attach_comment']; |
| 815 | } |
| 816 | |
| 817 | $new_attachment_data[$attach_ids[$row['attach_id']]] = $row; |
| 818 | } |
| 819 | $db->sql_freeresult($result); |
| 820 | |
| 821 | $attachments = $new_attachment_data; |
| 822 | unset($new_attachment_data); |
| 823 | } |
| 824 | |
| 825 | // Sort correctly
|
| 826 | if ($config['display_order']) |
| 827 | {
|
| 828 | // Ascending sort
|
| 829 | krsort($attachments); |
| 830 | } |
| 831 | else
|
| 832 | {
|
| 833 | // Descending sort
|
| 834 | ksort($attachments); |
| 835 | } |
| 836 | |
| 837 | foreach ($attachments as $attachment) |
| 838 | {
|
| 839 | if (!sizeof($attachment)) |
| 840 | {
|
| 841 | continue;
|
| 842 | } |
| 843 | |
| 844 | // We need to reset/empty the _file block var, because this function might be called more than once
|
| 845 | $template->destroy_block_vars('_file'); |
| 846 | |
| 847 | $block_array = array(); |
| 848 | |
| 849 | // Some basics...
|
| 850 | $attachment['extension'] = strtolower(trim($attachment['extension'])); |
| 851 | $filename = $phpbb_root_path . $config['upload_path'] . '/' . utf8_basename($attachment['physical_filename']); |
| 852 | $thumbnail_filename = $phpbb_root_path . $config['upload_path'] . '/thumb_' . utf8_basename($attachment['physical_filename']); |
| 853 | |
| 854 | $upload_icon = ''; |
| 855 | |
| 856 | if (isset($extensions[$attachment['extension']])) |
| 857 | {
|
| 858 | if ($user->img('icon_topic_attach', '') && !$extensions[$attachment['extension']]['upload_icon']) |
| 859 | {
|
| 860 | $upload_icon = $user->img('icon_topic_attach', ''); |
| 861 | } |
| 862 | else if ($extensions[$attachment['extension']]['upload_icon']) |
| 863 | {
|
| 864 | $upload_icon = '<img src="' . $phpbb_root_path . $config['upload_icons_path'] . '/' . trim($extensions[$attachment['extension']]['upload_icon']) . '" alt="" />'; |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | $filesize = get_formatted_filesize($attachment['filesize'], false); |
| 869 | |
| 870 | $comment = bbcode_nl2br(censor_text($attachment['attach_comment'])); |
| 871 | |
| 872 | $block_array += array( |
| 873 | 'UPLOAD_ICON' => $upload_icon, |
| 874 | 'FILESIZE' => $filesize['value'], |
| 875 | 'SIZE_LANG' => $filesize['unit'], |
| 876 | 'DOWNLOAD_NAME' => utf8_basename($attachment['real_filename']), |
| 877 | 'COMMENT' => $comment, |
| 878 | ); |
| 879 | |
| 880 | $denied = false; |
| 881 | |
| 882 | if (!extension_allowed($forum_id, $attachment['extension'], $extensions)) |
| 883 | {
|
| 884 | $denied = true; |
| 885 | |
| 886 | $block_array += array( |
| 887 | 'S_DENIED' => true, |
| 888 | 'DENIED_MESSAGE' => sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) |
| 889 | ); |
| 890 | } |
| 891 | |
| 892 | if (!$denied) |
| 893 | {
|
| 894 | $l_downloaded_viewed = $download_link = ''; |
| 895 | $display_cat = $extensions[$attachment['extension']]['display_cat']; |
| 896 | |
| 897 | if ($display_cat == ATTACHMENT_CATEGORY_IMAGE) |
| 898 | {
|
| 899 | if ($attachment['thumbnail']) |
| 900 | {
|
| 901 | $display_cat = ATTACHMENT_CATEGORY_THUMB; |
| 902 | } |
| 903 | else
|
| 904 | {
|
| 905 | if ($config['img_display_inlined']) |
| 906 | {
|
| 907 | if ($config['img_link_width'] || $config['img_link_height']) |
| 908 | {
|
| 909 | $dimension = @getimagesize($filename); |
| 910 | |
| 911 | // If the dimensions could not be determined or the image being 0x0 we display it as a link for safety purposes
|
| 912 | if ($dimension === false || empty($dimension[0]) || empty($dimension[1])) |
| 913 | {
|
| 914 | $display_cat = ATTACHMENT_CATEGORY_NONE; |
| 915 | } |
| 916 | else
|
| 917 | {
|
| 918 | $display_cat = ($dimension[0] <= $config['img_link_width'] && $dimension[1] <= $config['img_link_height']) ? ATTACHMENT_CATEGORY_IMAGE : ATTACHMENT_CATEGORY_NONE; |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | else
|
| 923 | {
|
| 924 | $display_cat = ATTACHMENT_CATEGORY_NONE; |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | // Make some descisions based on user options being set.
|
| 930 | if (($display_cat == ATTACHMENT_CATEGORY_IMAGE || $display_cat == ATTACHMENT_CATEGORY_THUMB) && !$user->optionget('viewimg')) |
| 931 | {
|
| 932 | $display_cat = ATTACHMENT_CATEGORY_NONE; |
| 933 | } |
| 934 | |
| 935 | if ($display_cat == ATTACHMENT_CATEGORY_FLASH && !$user->optionget('viewflash')) |
| 936 | {
|
| 937 | $display_cat = ATTACHMENT_CATEGORY_NONE; |
| 938 | } |
| 939 | |
| 940 | $download_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); |
| 941 | |
| 942 | switch ($display_cat) |
| 943 | {
|
| 944 | // Images
|
| 945 | case ATTACHMENT_CATEGORY_IMAGE: |
| 946 | $l_downloaded_viewed = 'VIEWED_COUNT'; |
| 947 | $inline_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); |
| 948 | $download_link .= '&mode=view'; |
| 949 | |
| 950 | $block_array += array( |
| 951 | 'S_IMAGE' => true, |
| 952 | 'U_INLINE_LINK' => $inline_link, |
| 953 | ); |
| 954 | |
| 955 | $update_count[] = $attachment['attach_id']; |
| 956 | break;
|
| 957 | |
| 958 | // Images, but display Thumbnail
|
| 959 | case ATTACHMENT_CATEGORY_THUMB: |
| 960 | $l_downloaded_viewed = 'VIEWED_COUNT'; |
| 961 | $thumbnail_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id'] . '&t=1'); |
| 962 | $download_link .= '&mode=view'; |
| 963 | |
| 964 | $block_array += array( |
| 965 | 'S_THUMBNAIL' => true, |
| 966 | 'THUMB_IMAGE' => $thumbnail_link, |
| 967 | ); |
| 968 | |
| 969 | $update_count[] = $attachment['attach_id']; |
| 970 | break;
|
| 971 | |
| 972 | // Windows Media Streams
|
| 973 | case ATTACHMENT_CATEGORY_WM: |
| 974 | $l_downloaded_viewed = 'VIEWED_COUNT'; |
| 975 | |
| 976 | // Giving the filename directly because within the wm object all variables are in local context making it impossible
|
| 977 | // to validate against a valid session (all params can differ)
|
| 978 | // $download_link = $filename;
|
| 979 | |
| 980 | $block_array += array( |
| 981 | 'U_FORUM' => generate_board_url(),
|
| 982 | 'ATTACH_ID' => $attachment['attach_id'], |
| 983 | 'S_WM_FILE' => true, |
| 984 | ); |
| 985 | |
| 986 | // Viewed/Heared File ... update the download count
|
| 987 | $update_count[] = $attachment['attach_id']; |
| 988 | break;
|
| 989 | |
| 990 | // Real Media Streams
|
| 991 | case ATTACHMENT_CATEGORY_RM: |
| 992 | case ATTACHMENT_CATEGORY_QUICKTIME: |
| 993 | $l_downloaded_viewed = 'VIEWED_COUNT'; |
| 994 | |
| 995 | $block_array += array( |
| 996 | 'S_RM_FILE' => ($display_cat == ATTACHMENT_CATEGORY_RM) ? true : false, |
| 997 | 'S_QUICKTIME_FILE' => ($display_cat == ATTACHMENT_CATEGORY_QUICKTIME) ? true : false, |
| 998 | 'U_FORUM' => generate_board_url(),
|
| 999 | 'ATTACH_ID' => $attachment['attach_id'], |
| 1000 | ); |
| 1001 | |
| 1002 | // Viewed/Heared File ... update the download count
|
| 1003 | $update_count[] = $attachment['attach_id']; |
| 1004 | break;
|
| 1005 | |
| 1006 | // Macromedia Flash Files
|
| 1007 | case ATTACHMENT_CATEGORY_FLASH: |
| 1008 | list($width, $height) = @getimagesize($filename); |
| 1009 | |
| 1010 | $l_downloaded_viewed = 'VIEWED_COUNT'; |
| 1011 | |
| 1012 | $block_array += array( |
| 1013 | 'S_FLASH_FILE' => true, |
| 1014 | 'WIDTH' => $width, |
| 1015 | 'HEIGHT' => $height, |
| 1016 | 'U_VIEW_LINK' => $download_link . '&view=1', |
| 1017 | ); |
| 1018 | |
| 1019 | // Viewed/Heared File ... update the download count
|
| 1020 | $update_count[] = $attachment['attach_id']; |
| 1021 | break;
|
| 1022 | |
| 1023 | default:
|
| 1024 | $l_downloaded_viewed = 'DOWNLOAD_COUNT'; |
| 1025 | |
| 1026 | $block_array += array( |
| 1027 | 'S_FILE' => true, |
| 1028 | ); |
| 1029 | break;
|
| 1030 | } |
| 1031 | |
| 1032 | $l_download_count = (!isset($attachment['download_count']) || $attachment['download_count'] == 0) ? $user->lang[$l_downloaded_viewed . '_NONE'] : (($attachment['download_count'] == 1) ? sprintf($user->lang[$l_downloaded_viewed], $attachment['download_count']) : sprintf($user->lang[$l_downloaded_viewed . 'S'], $attachment['download_count'])); |
| 1033 | |
| 1034 | $block_array += array( |
| 1035 | 'U_DOWNLOAD_LINK' => $download_link, |
| 1036 | 'L_DOWNLOAD_COUNT' => $l_download_count |
| 1037 | ); |
| 1038 | } |
| 1039 | |
| 1040 | $template->assign_block_vars('_file', $block_array); |
| 1041 | |
| 1042 | $compiled_attachments[] = $template->assign_display('attachment_tpl'); |
| 1043 | } |
| 1044 | |
| 1045 | $attachments = $compiled_attachments; |
| 1046 | unset($compiled_attachments); |
| 1047 | |
| 1048 | $tpl_size = sizeof($attachments); |
| 1049 | |
| 1050 | $unset_tpl = array(); |
| 1051 | |
| 1052 | preg_match_all('#<!\-\- ia([0-9]+) \-\->(.*?)<!\-\- ia\1 \-\->#', $message, $matches, PREG_PATTERN_ORDER); |
| 1053 | |
| 1054 | $replace = array(); |
| 1055 | foreach ($matches[0] as $num => $capture) |
| 1056 | {
|
| 1057 | // Flip index if we are displaying the reverse way
|
| 1058 | $index = ($config['display_order']) ? ($tpl_size-($matches[1][$num] + 1)) : $matches[1][$num]; |
| 1059 | |
| 1060 | $replace['from'][] = $matches[0][$num]; |
| 1061 | $replace['to'][] = (isset($attachments[$index])) ? $attachments[$index] : sprintf($user->lang['MISSING_INLINE_ATTACHMENT'], $matches[2][array_search($index, $matches[1])]); |
| 1062 | |
| 1063 | $unset_tpl[] = $index; |
| 1064 | } |
| 1065 | |
| 1066 | if (isset($replace['from'])) |
| 1067 | {
|
| 1068 | $message = str_replace($replace['from'], $replace['to'], $message); |
| 1069 | } |
| 1070 | |
| 1071 | $unset_tpl = array_unique($unset_tpl); |
| 1072 | |
| 1073 | // Needed to let not display the inlined attachments at the end of the post again
|
| 1074 | foreach ($unset_tpl as $index) |
| 1075 | {
|
| 1076 | unset($attachments[$index]); |
| 1077 | } |
| 1078 | } |
| 1079 | |
| 1080 | /**
|
| 1081 | * Check if extension is allowed to be posted. |
| 1082 | * |
| 1083 | * @param mixed $forum_id The forum id to check or false if private message |
| 1084 | * @param string $extension The extension to check, for example zip. |
| 1085 | * @param array &$extensions The extension array holding the information from the cache (will be obtained if empty) |
| 1086 | * |
| 1087 | * @return bool False if the extension is not allowed to be posted, else true. |
| 1088 | */ |
| 1089 | function extension_allowed($forum_id, $extension, &$extensions) |
| 1090 | {
|
| 1091 | if (empty($extensions)) |
| 1092 | {
|
| 1093 | global $cache; |
| 1094 | $extensions = $cache->obtain_attach_extensions($forum_id); |
| 1095 | } |
| 1096 | |
| 1097 | return (!isset($extensions['_allowed_'][$extension])) ? false : true; |
| 1098 | } |
| 1099 | |
| 1100 | /**
|
| 1101 | * Truncates string while retaining special characters if going over the max length |
| 1102 | * The default max length is 60 at the moment |
| 1103 | * The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities. |
| 1104 | * For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19) |
| 1105 | * |
| 1106 | * @param string $string The text to truncate to the given length. String is specialchared. |
| 1107 | * @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char) |
| 1108 | * @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars). |
| 1109 | * @param bool $allow_reply Allow Re: in front of string |
| 1110 | * NOTE: This parameter can cause undesired behavior (returning strings longer than $max_store_length) and is deprecated. |
| 1111 | * @param string $append String to be appended |
| 1112 | */ |
| 1113 | function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = false, $append = '') |
| 1114 | {
|
| 1115 | $chars = array(); |
| 1116 | |
| 1117 | $strip_reply = false; |
| 1118 | $stripped = false; |
| 1119 | if ($allow_reply && strpos($string, 'Re: ') === 0) |
| 1120 | {
|
| 1121 | $strip_reply = true; |
| 1122 | $string = substr($string, 4); |
| 1123 | } |
| 1124 | |
| 1125 | $_chars = utf8_str_split(htmlspecialchars_decode($string)); |
| 1126 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
| 1127 | |
| 1128 | // Now check the length ;)
|
| 1129 | if (sizeof($chars) > $max_length) |
| 1130 | {
|
| 1131 | // Cut off the last elements from the array
|
| 1132 | $string = implode('', array_slice($chars, 0, $max_length - utf8_strlen($append))); |
| 1133 | $stripped = true; |
| 1134 | } |
| 1135 | |
| 1136 | // Due to specialchars, we may not be able to store the string...
|
| 1137 | if (utf8_strlen($string) > $max_store_length) |
| 1138 | {
|
| 1139 | // let's split again, we do not want half-baked strings where entities are split
|
| 1140 | $_chars = utf8_str_split(htmlspecialchars_decode($string)); |
| 1141 | $chars = array_map('utf8_htmlspecialchars', $_chars); |
| 1142 | |
| 1143 | do
|
| 1144 | {
|
| 1145 | array_pop($chars); |
| 1146 | $string = implode('', $chars); |
| 1147 | } |
| 1148 | while (!empty($chars) && utf8_strlen($string) > $max_store_length); |
| 1149 | } |
| 1150 | |
| 1151 | if ($strip_reply) |
| 1152 | {
|
| 1153 | $string = 'Re: ' . $string; |
| 1154 | } |
| 1155 | |
| 1156 | if ($append != '' && $stripped) |
| 1157 | {
|
| 1158 | $string = $string . $append; |
| 1159 | } |
| 1160 | |
| 1161 | return $string; |
| 1162 | } |
| 1163 | |
| 1164 | /**
|
| 1165 | * Get username details for placing into templates. |
| 1166 | * This function caches all modes on first call, except for no_profile and anonymous user - determined by $user_id. |
| 1167 | * |
| 1168 | * @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) |
| 1169 | * @param int $user_id The users id |
| 1170 | * @param string $username The users name |
| 1171 | * @param string $username_colour The users colour |
| 1172 | * @param string $guest_username optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then. |
| 1173 | * @param string $custom_profile_url optional parameter to specify a profile url. The user id get appended to this url as &u={user_id}
|
| 1174 | * |
| 1175 | * @return string A string consisting of what is wanted based on $mode. |
| 1176 | * @author BartVB, Acyd Burn |
| 1177 | */ |
| 1178 | function get_username_string($mode, $user_id, $username, $username_colour = '', $guest_username = false, $custom_profile_url = false) |
| 1179 | {
|
| 1180 | static $_profile_cache; |
| 1181 | |
| 1182 | // We cache some common variables we need within this function
|
| 1183 | if (empty($_profile_cache)) |
| 1184 | {
|
| 1185 | global $phpbb_root_path, $phpEx; |
| 1186 | |
| 1187 | $_profile_cache['base_url'] = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&u={USER_ID}'); |
| 1188 | $_profile_cache['tpl_noprofile'] = '{USERNAME}'; |
| 1189 | $_profile_cache['tpl_noprofile_colour'] = '<span style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</span>'; |
| 1190 | $_profile_cache['tpl_profile'] = '<a href="{PROFILE_URL}">{USERNAME}</a>'; |
| 1191 | $_profile_cache['tpl_profile_colour'] = '<a href="{PROFILE_URL}" style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</a>'; |
| 1192 | } |
| 1193 | |
| 1194 | global $user, $auth; |
| 1195 | |
| 1196 | // This switch makes sure we only run code required for the mode
|
| 1197 | switch ($mode) |
| 1198 | {
|
| 1199 | case 'full': |
| 1200 | case 'no_profile': |
| 1201 | case 'colour': |
| 1202 | |
| 1203 | // Build correct username colour
|
| 1204 | $username_colour = ($username_colour) ? '#' . $username_colour : ''; |
| 1205 | |
| 1206 | // Return colour
|
| 1207 | if ($mode == 'colour') |
| 1208 | {
|
| 1209 | return $username_colour; |
| 1210 | } |
| 1211 | |
| 1212 | // no break;
|
| 1213 | |
| 1214 | case 'username': |
| 1215 | |
| 1216 | // Build correct username
|
| 1217 | if ($guest_username === false) |
| 1218 | {
|
| 1219 | $username = ($username) ? $username : $user->lang['GUEST']; |
| 1220 | } |
| 1221 | else
|
| 1222 | {
|
| 1223 | $username = ($user_id && $user_id != ANONYMOUS) ? $username : ((!empty($guest_username)) ? $guest_username : $user->lang['GUEST']); |
| 1224 | } |
| 1225 | |
| 1226 | // Return username
|
| 1227 | if ($mode == 'username') |
| 1228 | {
|
| 1229 | return $username; |
| 1230 | } |
| 1231 | |
| 1232 | // no break;
|
| 1233 | |
| 1234 | case 'profile': |
| 1235 | |
| 1236 | // Build correct profile url - only show if not anonymous and permission to view profile if registered user
|
| 1237 | // For anonymous the link leads to a login page.
|
| 1238 | if ($user_id && $user_id != ANONYMOUS && ($user->data['user_id'] == ANONYMOUS || $auth->acl_get('u_viewprofile'))) |
| 1239 | {
|
| 1240 | $profile_url = ($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']); |
| 1241 | } |
| 1242 | else
|
| 1243 | {
|
| 1244 | $profile_url = ''; |
| 1245 | } |
| 1246 | |
| 1247 | // Return profile
|
| 1248 | if ($mode == 'profile') |
| 1249 | {
|
| 1250 | return $profile_url; |
| 1251 | } |
| 1252 | |
| 1253 | // no break;
|
| 1254 | } |
| 1255 | |
| 1256 | if (($mode == 'full' && !$profile_url) || $mode == 'no_profile') |
| 1257 | {
|
| 1258 | return str_replace(array('{USERNAME_COLOUR}', '{USERNAME}'), array($username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_noprofile'] : $_profile_cache['tpl_noprofile_colour']); |
| 1259 | } |
| 1260 | |
| 1261 | return str_replace(array('{PROFILE_URL}', '{USERNAME_COLOUR}', '{USERNAME}'), array($profile_url, $username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_profile'] : $_profile_cache['tpl_profile_colour']); |
| 1262 | } |
| 1263 | |
| 1264 | /**
|
| 1265 | * @package phpBB3 |
| 1266 | */ |
| 1267 | class bitfield |
| 1268 | {
|
| 1269 | var $data; |
| 1270 | |
| 1271 | function bitfield($bitfield = '') |
| 1272 | {
|
| 1273 | $this->data = base64_decode($bitfield); |
| 1274 | } |
| 1275 | |
| 1276 | /**
|
| 1277 | */ |
| 1278 | function get($n) |
| 1279 | {
|
| 1280 | // Get the ($n / 8)th char
|
| 1281 | $byte = $n >> 3; |
| 1282 | |
| 1283 | if (strlen($this->data) >= $byte + 1) |
| 1284 | {
|
| 1285 | $c = $this->data[$byte]; |
| 1286 | |
| 1287 | // Lookup the ($n % 8)th bit of the byte
|
| 1288 | $bit = 7 - ($n & 7); |
| 1289 | return (bool) (ord($c) & (1 << $bit)); |
| 1290 | } |
| 1291 | else
|
| 1292 | {
|
| 1293 | return false; |
| 1294 | } |
| 1295 | } |
| 1296 | |
| 1297 | function set($n) |
| 1298 | {
|
| 1299 | $byte = $n >> 3; |
| 1300 | $bit = 7 - ($n & 7); |
| 1301 | |
| 1302 | if (strlen($this->data) >= $byte + 1) |
| 1303 | {
|
| 1304 | $this->data[$byte] = $this->data[$byte] | chr(1 << $bit); |
| 1305 | } |
| 1306 | else
|
| 1307 | {
|
| 1308 | $this->data .= str_repeat("\0", $byte - strlen($this->data)); |
| 1309 | $this->data .= chr(1 << $bit); |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | function clear($n) |
| 1314 | {
|
| 1315 | $byte = $n >> 3; |
| 1316 | |
| 1317 | if (strlen($this->data) >= $byte + 1) |
| 1318 | {
|
| 1319 | $bit = 7 - ($n & 7); |
| 1320 | $this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit); |
| 1321 | } |
| 1322 | } |
| 1323 | |
| 1324 | function get_blob() |
| 1325 | {
|
| 1326 | return $this->data; |
| 1327 | } |
| 1328 | |
| 1329 | function get_base64() |
| 1330 | {
|
| 1331 | return base64_encode($this->data); |
| 1332 | } |
| 1333 | |
| 1334 | function get_bin() |
| 1335 | {
|
| 1336 | $bin = ''; |
| 1337 | $len = strlen($this->data); |
| 1338 | |
| 1339 | for ($i = 0; $i < $len; ++$i) |
| 1340 | {
|
| 1341 | $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT); |
| 1342 | } |
| 1343 | |
| 1344 | return $bin; |
| 1345 | } |
| 1346 | |
| 1347 | function get_all_set() |
| 1348 | {
|
| 1349 | return array_keys(array_filter(str_split($this->get_bin()))); |
| 1350 | } |
| 1351 | |
| 1352 | function merge($bitfield) |
| 1353 | {
|
| 1354 | $this->data = $this->data | $bitfield->get_blob(); |
| 1355 | } |
| 1356 | } |
| 1357 | |
| 1358 | ?> |