1<?php 2/** 3 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 4 * @author Esther Brunner <wikidesign@gmail.com> 5 */ 6 7// must be run within Dokuwiki 8if (!defined('DOKU_INC')) die(); 9 10if (!defined('DOKU_LF')) define('DOKU_LF', "\n"); 11if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t"); 12if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 13 14require_once(DOKU_PLUGIN.'action.php'); 15 16class action_plugin_discussion extends DokuWiki_Action_Plugin{ 17 18 var $avatar = null; 19 var $style = null; 20 var $use_avatar = null; 21 var $helper = null; 22 23 public function __construct() { 24 $this->helper = plugin_load('helper', 'discussion'); 25 } 26 27 function register(&$contr) { 28 $contr->register_hook( 29 'ACTION_ACT_PREPROCESS', 30 'BEFORE', 31 $this, 32 'handle_act_preprocess', 33 array() 34 ); 35 $contr->register_hook( 36 'TPL_ACT_RENDER', 37 'AFTER', 38 $this, 39 'comments', 40 array() 41 ); 42 $contr->register_hook( 43 'INDEXER_PAGE_ADD', 44 'AFTER', 45 $this, 46 'idx_add_discussion', 47 array() 48 ); 49 $contr->register_hook( 50 'INDEXER_VERSION_GET', 51 'BEFORE', 52 $this, 53 'idx_version', 54 array() 55 ); 56 $contr->register_hook( 57 'PARSER_METADATA_RENDER', 58 'AFTER', 59 $this, 60 'update_comment_status', 61 array() 62 ); 63 $contr->register_hook( 64 'TPL_METAHEADER_OUTPUT', 65 'BEFORE', 66 $this, 67 'handle_tpl_metaheader_output', 68 array() 69 ); 70 $contr->register_hook( 71 'TOOLBAR_DEFINE', 72 'AFTER', 73 $this, 74 'handle_toolbar_define', 75 array() 76 ); 77 $contr->register_hook( 78 'AJAX_CALL_UNKNOWN', 79 'BEFORE', 80 $this, 81 'handle_ajax_call', 82 array() 83 ); 84 $contr->register_hook( 85 'TPL_TOC_RENDER', 86 'BEFORE', 87 $this, 88 'handle_toc_render', 89 array() 90 ); 91 } 92 93 /** 94 * Preview Comments 95 * 96 * @author Michael Klier <chi@chimeric.de> 97 */ 98 function handle_ajax_call(Doku_Event &$event, $params) { 99 if($event->data != 'discussion_preview') return; 100 $event->preventDefault(); 101 $event->stopPropagation(); 102 print p_locale_xhtml('preview'); 103 print '<div class="comment_preview">'; 104 if(!$_SERVER['REMOTE_USER'] && !$this->getConf('allowguests')) { 105 print p_locale_xhtml('denied'); 106 } else { 107 print $this->_render($_REQUEST['comment']); 108 } 109 print '</div>'; 110 } 111 112 /** 113 * Adds a TOC item if a discussion exists 114 * 115 * @author Michael Klier <chi@chimeric.de> 116 */ 117 function handle_toc_render(&$event, $params) { 118 global $ID; 119 global $ACT; 120 if($this->_hasDiscussion($title) && $event->data && $ACT != 'admin') { 121 $tocitem = array( 'hid' => 'discussion__section', 122 'title' => $this->getLang('discussion'), 123 'type' => 'ul', 124 'level' => 1 ); 125 126 array_push($event->data, $tocitem); 127 } 128 } 129 130 /** 131 * Modify Tollbar for use with discussion plugin 132 * 133 * @author Michael Klier <chi@chimeric.de> 134 */ 135 function handle_toolbar_define(&$event, $param) { 136 global $ACT; 137 if($ACT != 'show') return; 138 139 if($this->_hasDiscussion($title) && $this->getConf('wikisyntaxok')) { 140 $toolbar = array(); 141 foreach($event->data as $btn) { 142 if($btn['type'] == 'mediapopup') continue; 143 if($btn['type'] == 'signature') continue; 144 if($btn['type'] == 'linkwiz') continue; 145 if(preg_match("/=+?/", $btn['open'])) continue; 146 array_push($toolbar, $btn); 147 } 148 $event->data = $toolbar; 149 } 150 } 151 152 /** 153 * Dirty workaround to add a toolbar to the discussion plugin 154 * 155 * @author Michael Klier <chi@chimeric.de> 156 */ 157 function handle_tpl_metaheader_output(&$event, $param) { 158 global $ACT; 159 global $ID; 160 if($ACT != 'show') return; 161 162 if($this->_hasDiscussion($title) && $this->getConf('wikisyntaxok')) { 163 // FIXME ugly workaround, replace this once DW the toolbar code is more flexible 164 @require_once(DOKU_INC.'inc/toolbar.php'); 165 ob_start(); 166 print 'NS = "' . getNS($ID) . '";'; // we have to define NS, otherwise we get get JS errors 167 toolbar_JSdefines('toolbar'); 168 $script = ob_get_clean(); 169 array_push($event->data['script'], array('type' => 'text/javascript', 'charset' => "utf-8", '_data' => $script)); 170 } 171 } 172 173 /** 174 * Handles comment actions, dispatches data processing routines 175 */ 176 function handle_act_preprocess(Doku_Event &$event, $param) { 177 global $ID; 178 global $INFO; 179 global $conf; 180 global $lang; 181 182 // handle newthread ACTs 183 if ($event->data == 'newthread') { 184 // we can handle it -> prevent others 185 $event->preventDefault(); 186 $event->data = $this->_newThread(); 187 } 188 189 // enable captchas 190 if (in_array($_REQUEST['comment'], array('add', 'save'))) { 191 if (@file_exists(DOKU_PLUGIN.'captcha/action.php')) { 192 $this->_captchaCheck(); 193 } 194 if (@file_exists(DOKU_PLUGIN.'recaptcha/action.php')) { 195 $this->_recaptchaCheck(); 196 } 197 } 198 199 // if we are not in show mode or someone wants to unsubscribe, that was all for now 200 if ($event->data != 'show' && $event->data != 'discussion_unsubscribe' && $event->data != 'discussion_confirmsubscribe') return; 201 202 if ($event->data == 'discussion_unsubscribe' or $event->data == 'discussion_confirmsubscribe') { 203 // ok we can handle it prevent others 204 $event->preventDefault(); 205 206 if (!isset($_REQUEST['hash'])) { 207 return false; 208 } else { 209 $file = metaFN($ID, '.comments'); 210 $data = unserialize(io_readFile($file)); 211 $themail = ''; 212 foreach($data['subscribers'] as $mail => $info) { 213 // convert old style subscribers just in case 214 if(!is_array($info)) { 215 $hash = $data['subscribers'][$mail]; 216 $data['subscribers'][$mail]['hash'] = $hash; 217 $data['subscribers'][$mail]['active'] = true; 218 $data['subscribers'][$mail]['confirmsent'] = true; 219 } 220 221 if ($data['subscribers'][$mail]['hash'] == $_REQUEST['hash']) { 222 $themail = $mail; 223 } 224 } 225 226 if($themail != '') { 227 if($event->data == 'discussion_unsubscribe') { 228 unset($data['subscribers'][$themail]); 229 msg(sprintf($lang['subscr_unsubscribe_success'], $themail, $ID), 1); 230 } elseif($event->data == 'discussion_confirmsubscribe') { 231 $data['subscribers'][$themail]['active'] = true; 232 msg(sprintf($lang['subscr_subscribe_success'], $themail, $ID), 1); 233 } 234 io_saveFile($file, serialize($data)); 235 $event->data = 'show'; 236 return true; 237 } else { 238 return false; 239 } 240 } 241 } else { 242 // do the data processing for comments 243 $cid = $_REQUEST['cid']; 244 switch ($_REQUEST['comment']) { 245 case 'add': 246 if(empty($_REQUEST['text'])) return; // don't add empty comments 247 if(isset($_SERVER['REMOTE_USER']) && !$this->getConf('adminimport')) { 248 $comment['user']['id'] = $_SERVER['REMOTE_USER']; 249 $comment['user']['name'] = $INFO['userinfo']['name']; 250 $comment['user']['mail'] = $INFO['userinfo']['mail']; 251 } elseif((isset($_SERVER['REMOTE_USER']) && $this->getConf('adminimport') && $this->helper->isDiscussionMod()) || !isset($_SERVER['REMOTE_USER'])) { 252 if(empty($_REQUEST['name']) or empty($_REQUEST['mail'])) return; // don't add anonymous comments 253 if(!mail_isvalid($_REQUEST['mail'])) { 254 msg($lang['regbadmail'], -1); 255 return; 256 } else { 257 $comment['user']['id'] = 'test'.hsc($_REQUEST['user']); 258 $comment['user']['name'] = hsc($_REQUEST['name']); 259 $comment['user']['mail'] = hsc($_REQUEST['mail']); 260 } 261 } 262 $comment['user']['address'] = ($this->getConf('addressfield')) ? hsc($_REQUEST['address']) : ''; 263 $comment['user']['url'] = ($this->getConf('urlfield')) ? $this->_checkURL($_REQUEST['url']) : ''; 264 $comment['subscribe'] = ($this->getConf('subscribe')) ? $_REQUEST['subscribe'] : ''; 265 $comment['date'] = array('created' => $_REQUEST['date']); 266 $comment['raw'] = cleanText($_REQUEST['text']); 267 $repl = $_REQUEST['reply']; 268 if($this->getConf('moderate') && !$this->helper->isDiscussionMod()) { 269 $comment['show'] = false; 270 } else { 271 $comment['show'] = true; 272 } 273 $this->_add($comment, $repl); 274 break; 275 276 case 'save': 277 $raw = cleanText($_REQUEST['text']); 278 $this->_save(array($cid), $raw); 279 break; 280 281 case 'delete': 282 $this->_save(array($cid), ''); 283 break; 284 285 case 'toogle': 286 $this->_save(array($cid), '', 'toogle'); 287 break; 288 } 289 } 290 } 291 292 /** 293 * Main function; dispatches the visual comment actions 294 */ 295 function comments(&$event, $param) { 296 if ($event->data != 'show') return; // nothing to do for us 297 298 $cid = $_REQUEST['cid']; 299 switch ($_REQUEST['comment']) { 300 case 'edit': 301 $this->_show(NULL, $cid); 302 break; 303 default: 304 $this->_show($cid); 305 break; 306 } 307 } 308 309 /** 310 * Redirects browser to given comment anchor 311 */ 312 function _redirect($cid) { 313 global $ID; 314 global $ACT; 315 316 if ($ACT !== 'show') return; 317 318 if($this->getConf('moderate') && !$this->helper->isDiscussionMod()) { 319 msg($this->getLang('moderation'), 1); 320 @session_start(); 321 global $MSG; 322 $_SESSION[DOKU_COOKIE]['msg'] = $MSG; 323 session_write_close(); 324 $url = wl($ID); 325 } else { 326 $url = wl($ID) . '#comment_' . $cid; 327 } 328 329 if (function_exists('send_redirect')) { 330 send_redirect($url); 331 } else { 332 header('Location: ' . $url); 333 } 334 exit(); 335 } 336 337 /** 338 * Shows all comments of the current page 339 */ 340 function _show($reply = NULL, $edit = NULL) { 341 global $ID; 342 global $INFO; 343 global $ACT; 344 345 // get .comments meta file name 346 $file = metaFN($ID, '.comments'); 347 348 if (!$INFO['exists']) return; 349 if (!@file_exists($file) && !$this->getConf('automatic')) return false; 350 if (!$_SERVER['REMOTE_USER'] && !$this->getConf('showguests')) return false; 351 352 // load data 353 if (@file_exists($file)) { 354 $data = unserialize(io_readFile($file, false)); 355 if (!$data['status']) return false; // comments are turned off 356 } elseif (!@file_exists($file) && $this->getConf('automatic') && $INFO['exists']) { 357 // set status to show the comment form 358 $data['status'] = 1; 359 $data['number'] = 0; 360 } 361 362 // show discussion wrapper only on certain circumstances 363 $cnt = count($data['comments']); 364 $keys = @array_keys($data['comments']); 365 if($cnt > 1 || ($cnt == 1 && $data['comments'][$keys[0]]['show'] == 1) || $this->getConf('allowguests') || isset($_SERVER['REMOTE_USER'])) { 366 $show = true; 367 // section title 368 $title = ($data['title'] ? hsc($data['title']) : $this->getLang('discussion')); 369 ptln('<div class="comment_wrapper" id="comment_wrapper">'); // the id value is used for visibility toggling the section 370 ptln('<h2><a name="discussion__section" id="discussion__section">', 2); 371 ptln($title, 4); 372 ptln('</a></h2>', 2); 373 ptln('<div class="level2 hfeed">', 2); 374 } 375 376 // now display the comments 377 if (isset($data['comments'])) { 378 if (!$this->getConf('usethreading')) { 379 $data['comments'] = $this->_flattenThreads($data['comments']); 380 uasort($data['comments'], '_sortCallBack'); 381 } 382 if($this->getConf('newestfirst')) { 383 $data['comments'] = array_reverse($data['comments']); 384 } 385 foreach ($data['comments'] as $key => $value) { 386 if ($key == $edit) $this->_form($value['raw'], 'save', $edit); // edit form 387 else $this->_print($key, $data, '', $reply); 388 } 389 } 390 391 // comment form 392 if (($data['status'] == 1) && (!$reply || !$this->getConf('usethreading')) && !$edit) $this->_form(''); 393 394 if($show) { 395 ptln('</div>', 2); // level2 hfeed 396 ptln('</div>'); // comment_wrapper 397 } 398 399 // check for toggle print configuration 400 if($this->getConf('visibilityButton')) { 401 // print the hide/show discussion section button 402 $this->_print_toggle_button(); 403 } 404 405 return true; 406 } 407 408 function _flattenThreads($comments, $keys = null) { 409 if (is_null($keys)) 410 $keys = array_keys($comments); 411 412 foreach($keys as $cid) { 413 if (!empty($comments[$cid]['replies'])) { 414 $rids = $comments[$cid]['replies']; 415 $comments = $this->_flattenThreads($comments, $rids); 416 $comments[$cid]['replies'] = array(); 417 } 418 $comments[$cid]['parent'] = ''; 419 } 420 return $comments; 421 } 422 423 /** 424 * Adds a new comment and then displays all comments 425 */ 426 function _add($comment, $parent) { 427 global $lang; 428 global $ID; 429 global $TEXT; 430 431 $otxt = $TEXT; // set $TEXT to comment text for wordblock check 432 $TEXT = $comment['raw']; 433 434 // spamcheck against the DokuWiki blacklist 435 if (checkwordblock()) { 436 msg($this->getLang('wordblock'), -1); 437 return false; 438 } 439 440 if ((!$this->getConf('allowguests')) 441 && ($comment['user']['id'] != $_SERVER['REMOTE_USER'])) 442 return false; // guest comments not allowed 443 444 $TEXT = $otxt; // restore global $TEXT 445 446 // get discussion meta file name 447 $file = metaFN($ID, '.comments'); 448 449 // create comments file if it doesn't exist yet 450 if(!@file_exists($file)) { 451 $data = array('status' => 1, 'number' => 0); 452 io_saveFile($file, serialize($data)); 453 } else { 454 $data = array(); 455 $data = unserialize(io_readFile($file, false)); 456 if ($data['status'] != 1) return false; // comments off or closed 457 } 458 459 if ($comment['date']['created']) { 460 $date = strtotime($comment['date']['created']); 461 } else { 462 $date = time(); 463 } 464 465 if ($date == -1) { 466 $date = time(); 467 } 468 469 $cid = md5($comment['user']['id'].$date); // create a unique id 470 471 if (!is_array($data['comments'][$parent])) { 472 $parent = NULL; // invalid parent comment 473 } 474 475 // render the comment 476 $xhtml = $this->_render($comment['raw']); 477 478 // fill in the new comment 479 $data['comments'][$cid] = array( 480 'user' => $comment['user'], 481 'date' => array('created' => $date), 482 'show' => true, 483 'raw' => $comment['raw'], 484 'xhtml' => $xhtml, 485 'parent' => $parent, 486 'replies' => array(), 487 'show' => $comment['show'] 488 ); 489 490 if($comment['subscribe']) { 491 $mail = $comment['user']['mail']; 492 if($data['subscribers']) { 493 if(!$data['subscribers'][$mail]) { 494 $data['subscribers'][$mail]['hash'] = md5($mail . mt_rand()); 495 $data['subscribers'][$mail]['active'] = false; 496 $data['subscribers'][$mail]['confirmsent'] = false; 497 } else { 498 // convert old style subscribers and set them active 499 if(!is_array($data['subscribers'][$mail])) { 500 $hash = $data['subscribers'][$mail]; 501 $data['subscribers'][$mail]['hash'] = $hash; 502 $data['subscribers'][$mail]['active'] = true; 503 $data['subscribers'][$mail]['confirmsent'] = true; 504 } 505 } 506 } else { 507 $data['subscribers'][$mail]['hash'] = md5($mail . mt_rand()); 508 $data['subscribers'][$mail]['active'] = false; 509 $data['subscribers'][$mail]['confirmsent'] = false; 510 } 511 } 512 513 // update parent comment 514 if ($parent) $data['comments'][$parent]['replies'][] = $cid; 515 516 // update the number of comments 517 $data['number']++; 518 519 // notify subscribers of the page 520 $data['comments'][$cid]['cid'] = $cid; 521 $this->_notify($data['comments'][$cid], $data['subscribers']); 522 523 // save the comment metadata file 524 io_saveFile($file, serialize($data)); 525 $this->_addLogEntry($date, $ID, 'cc', '', $cid); 526 527 $this->_redirect($cid); 528 return true; 529 } 530 531 /** 532 * Saves the comment with the given ID and then displays all comments 533 */ 534 function _save($cids, $raw, $act = NULL) { 535 global $ID; 536 537 if(!$cids) return; // do nothing if we get no comment id 538 539 if ($raw) { 540 global $TEXT; 541 542 $otxt = $TEXT; // set $TEXT to comment text for wordblock check 543 $TEXT = $raw; 544 545 // spamcheck against the DokuWiki blacklist 546 if (checkwordblock()) { 547 msg($this->getLang('wordblock'), -1); 548 return false; 549 } 550 551 $TEXT = $otxt; // restore global $TEXT 552 } 553 554 // get discussion meta file name 555 $file = metaFN($ID, '.comments'); 556 $data = unserialize(io_readFile($file, false)); 557 558 if (!is_array($cids)) $cids = array($cids); 559 foreach ($cids as $cid) { 560 561 if (is_array($data['comments'][$cid]['user'])) { 562 $user = $data['comments'][$cid]['user']['id']; 563 $convert = false; 564 } else { 565 $user = $data['comments'][$cid]['user']; 566 $convert = true; 567 } 568 569 // someone else was trying to edit our comment -> abort 570 if (($user != $_SERVER['REMOTE_USER']) && (!$this->helper->isDiscussionMod())) return false; 571 572 $date = time(); 573 574 // need to convert to new format? 575 if ($convert) { 576 $data['comments'][$cid]['user'] = array( 577 'id' => $user, 578 'name' => $data['comments'][$cid]['name'], 579 'mail' => $data['comments'][$cid]['mail'], 580 'url' => $data['comments'][$cid]['url'], 581 'address' => $data['comments'][$cid]['address'], 582 ); 583 $data['comments'][$cid]['date'] = array( 584 'created' => $data['comments'][$cid]['date'] 585 ); 586 } 587 588 if ($act == 'toogle') { // toogle visibility 589 $now = $data['comments'][$cid]['show']; 590 $data['comments'][$cid]['show'] = !$now; 591 $data['number'] = $this->_count($data); 592 593 $type = ($data['comments'][$cid]['show'] ? 'sc' : 'hc'); 594 595 } elseif ($act == 'show') { // show comment 596 $data['comments'][$cid]['show'] = true; 597 $data['number'] = $this->_count($data); 598 599 $type = 'sc'; // show comment 600 601 } elseif ($act == 'hide') { // hide comment 602 $data['comments'][$cid]['show'] = false; 603 $data['number'] = $this->_count($data); 604 605 $type = 'hc'; // hide comment 606 607 } elseif (!$raw) { // remove the comment 608 $data['comments'] = $this->_removeComment($cid, $data['comments']); 609 $data['number'] = $this->_count($data); 610 611 $type = 'dc'; // delete comment 612 613 } else { // save changed comment 614 $xhtml = $this->_render($raw); 615 616 // now change the comment's content 617 $data['comments'][$cid]['date']['modified'] = $date; 618 $data['comments'][$cid]['raw'] = $raw; 619 $data['comments'][$cid]['xhtml'] = $xhtml; 620 621 $type = 'ec'; // edit comment 622 } 623 } 624 625 // save the comment metadata file 626 io_saveFile($file, serialize($data)); 627 $this->_addLogEntry($date, $ID, $type, '', $cid); 628 629 $this->_redirect($cid); 630 return true; 631 } 632 633 /** 634 * Recursive function to remove a comment 635 */ 636 function _removeComment($cid, $comments) { 637 if (is_array($comments[$cid]['replies'])) { 638 foreach ($comments[$cid]['replies'] as $rid) { 639 $comments = $this->_removeComment($rid, $comments); 640 } 641 } 642 unset($comments[$cid]); 643 return $comments; 644 } 645 646 /** 647 * Prints an individual comment 648 */ 649 function _print($cid, &$data, $parent = '', $reply = '', $visible = true) { 650 if (!isset($data['comments'][$cid])) return false; // comment was removed 651 $comment = $data['comments'][$cid]; 652 653 if (!is_array($comment)) return false; // corrupt datatype 654 655 if ($comment['parent'] != $parent) return true; // reply to an other comment 656 657 if (!$comment['show']) { // comment hidden 658 if ($this->helper->isDiscussionMod()) $hidden = ' comment_hidden'; 659 else return true; 660 } else { 661 $hidden = ''; 662 } 663 664 // print the actual comment 665 $this->_print_comment($cid, $data, $parent, $reply, $visible, $hidden); 666 // replies to this comment entry? 667 $this->_print_replies($cid, $data, $reply, $visible); 668 // reply form 669 $this->_print_form($cid, $reply); 670 671 } 672 673 function _print_comment($cid, &$data, $parent, $reply, $visible, $hidden) 674 { 675 global $conf, $lang, $ID, $HIGH; 676 $comment = $data['comments'][$cid]; 677 678 // comment head with date and user data 679 ptln('<div class="hentry'.$hidden.'">', 4); 680 ptln('<div class="comment_head">', 6); 681 ptln('<a name="comment_'.$cid.'" id="comment_'.$cid.'"></a>', 8); 682 $head = '<span class="vcard author">'; 683 684 // prepare variables 685 if (is_array($comment['user'])) { // new format 686 $user = $comment['user']['id']; 687 $name = $comment['user']['name']; 688 $mail = $comment['user']['mail']; 689 $url = $comment['user']['url']; 690 $address = $comment['user']['address']; 691 } else { // old format 692 $user = $comment['user']; 693 $name = $comment['name']; 694 $mail = $comment['mail']; 695 $url = $comment['url']; 696 $address = $comment['address']; 697 } 698 if (is_array($comment['date'])) { // new format 699 $created = $comment['date']['created']; 700 $modified = $comment['date']['modified']; 701 } else { // old format 702 $created = $comment['date']; 703 $modified = $comment['edited']; 704 } 705 706 // show username or real name? 707 if ((!$this->getConf('userealname')) && ($user)) { 708 $showname = $user; 709 } else { 710 $showname = $name; 711 } 712 713 // show avatar image? 714 if ($this->_use_avatar()) { 715 $user_data['name'] = $name; 716 $user_data['user'] = $user; 717 $user_data['mail'] = $mail; 718 $avatar = $this->avatar->getXHTML($user_data, $name, 'left'); 719 if($avatar) $head .= $avatar; 720 } 721 722 if ($this->getConf('linkemail') && $mail) { 723 $head .= $this->email($mail, $showname, 'email fn'); 724 } elseif ($url) { 725 $head .= $this->external_link($this->_checkURL($url), $showname, 'urlextern url fn'); 726 } else { 727 $head .= '<span class="fn">'.$showname.'</span>'; 728 } 729 730 if ($address) $head .= ', <span class="adr">'.$address.'</span>'; 731 $head .= '</span>, '. 732 '<abbr class="published" title="'. strftime('%Y-%m-%dT%H:%M:%SZ', $created) .'">'. 733 dformat($created, $conf['dformat']).'</abbr>'; 734 if ($comment['edited']) $head .= ' (<abbr class="updated" title="'. 735 strftime('%Y-%m-%dT%H:%M:%SZ', $modified).'">'.dformat($modified, $conf['dformat']). 736 '</abbr>)'; 737 ptln($head, 8); 738 ptln('</div>', 6); // class="comment_head" 739 740 // main comment content 741 ptln('<div class="comment_body entry-content"'. 742 ($this->getConf('useavatar') ? $this->_get_style() : '').'>', 6); 743 echo ($HIGH?html_hilight($comment['xhtml'],$HIGH):$comment['xhtml']).DOKU_LF; 744 ptln('</div>', 6); // class="comment_body" 745 746 if ($visible) { 747 ptln('<div class="comment_buttons">', 6); 748 749 // show reply button? 750 if (($data['status'] == 1) && !$reply && $comment['show'] 751 && ($this->getConf('allowguests') || $_SERVER['REMOTE_USER']) && $this->getConf('usethreading')) 752 $this->_button($cid, $this->getLang('btn_reply'), 'reply', true); 753 754 // show edit, show/hide and delete button? 755 if ((($user == $_SERVER['REMOTE_USER']) && ($user != '')) || ($this->helper->isDiscussionMod())) { 756 $this->_button($cid, $lang['btn_secedit'], 'edit', true); 757 $label = ($comment['show'] ? $this->getLang('btn_hide') : $this->getLang('btn_show')); 758 $this->_button($cid, $label, 'toogle'); 759 $this->_button($cid, $lang['btn_delete'], 'delete'); 760 } 761 ptln('</div>', 6); // class="comment_buttons" 762 } 763 ptln('</div>', 4); // class="hentry" 764 } 765 766 function _print_form($cid, $reply) 767 { 768 if ($this->getConf('usethreading') && $reply == $cid) { 769 ptln('<div class="comment_replies">', 4); 770 $this->_form('', 'add', $cid); 771 ptln('</div>', 4); // class="comment_replies" 772 } 773 } 774 775 function _print_replies($cid, &$data, $reply, &$visible) 776 { 777 $comment = $data['comments'][$cid]; 778 if (!count($comment['replies'])) { 779 return; 780 } 781 ptln('<div class="comment_replies"'.$this->_get_style().'>', 4); 782 $visible = ($comment['show'] && $visible); 783 foreach ($comment['replies'] as $rid) { 784 $this->_print($rid, $data, $cid, $reply, $visible); 785 } 786 ptln('</div>', 4); 787 } 788 789 function _use_avatar() 790 { 791 if (is_null($this->use_avatar)) { 792 $this->use_avatar = $this->getConf('useavatar') 793 && (!plugin_isdisabled('avatar')) 794 && ($this->avatar =& plugin_load('helper', 'avatar')); 795 } 796 return $this->use_avatar; 797 } 798 799 function _get_style() 800 { 801 if (is_null($this->style)){ 802 if ($this->_use_avatar()) { 803 $this->style = ' style="margin-left: '.($this->avatar->getConf('size') + 14).'px;"'; 804 } else { 805 $this->style = ' style="margin-left: 20px;"'; 806 } 807 } 808 return $this->style; 809 } 810 811 /** 812 * Show the button which toggle the visibility of the discussion section 813 */ 814 function _print_toggle_button() { 815 ptln('<div id="toggle_button" class="toggle_button" style="text-align: right;">'); 816 ptln('<input type="submit" id="discussion__btn_toggle_visibility" title="Toggle Visibiliy" class="button" value="'.$this->getLang('toggle_display').'">'); 817 ptln('</div>'); 818 } 819 820 /** 821 * Outputs the comment form 822 */ 823 function _form($raw = '', $act = 'add', $cid = NULL) { 824 global $lang; 825 global $conf; 826 global $ID; 827 global $INFO; 828 829 // not for unregistered users when guest comments aren't allowed 830 if (!$_SERVER['REMOTE_USER'] && !$this->getConf('allowguests')) { 831 ?> 832 <div class="comment_form"> 833 <?php echo $this->getLang('noguests'); ?> 834 </div> 835 <?php 836 return false; 837 } 838 839 // fill $raw with $_REQUEST['text'] if it's empty (for failed CAPTCHA check) 840 if (!$raw && ($_REQUEST['comment'] == 'show')) $raw = $_REQUEST['text']; 841 ?> 842 843 <div class="comment_form"> 844 <form id="discussion__comment_form" method="post" action="<?php echo script() ?>" accept-charset="<?php echo $lang['encoding'] ?>"> 845 <div class="no"> 846 <input type="hidden" name="id" value="<?php echo $ID ?>" /> 847 <input type="hidden" name="do" value="show" /> 848 <input type="hidden" name="comment" value="<?php echo $act ?>" /> 849 <?php 850 // for adding a comment 851 if ($act == 'add') { 852 ?> 853 <input type="hidden" name="reply" value="<?php echo $cid ?>" /> 854 <?php 855 // for guest/adminimport: show name, e-mail and subscribe to comments fields 856 if(!$_SERVER['REMOTE_USER'] or ($this->getConf('adminimport') && $this->helper->isDiscussionMod())) { 857 ?> 858 <input type="hidden" name="user" value="<?php echo clientIP() ?>" /> 859 <div class="comment_name"> 860 <label class="block" for="discussion__comment_name"> 861 <span><?php echo $lang['fullname'] ?>:</span> 862 <input type="text" class="edit<?php if($_REQUEST['comment'] == 'add' && empty($_REQUEST['name'])) echo ' error'?>" name="name" id="discussion__comment_name" size="50" tabindex="1" value="<?php echo hsc($_REQUEST['name'])?>" /> 863 </label> 864 </div> 865 <div class="comment_mail"> 866 <label class="block" for="discussion__comment_mail"> 867 <span><?php echo $lang['email'] ?>:</span> 868 <input type="text" class="edit<?php if($_REQUEST['comment'] == 'add' && empty($_REQUEST['mail'])) echo ' error'?>" name="mail" id="discussion__comment_mail" size="50" tabindex="2" value="<?php echo hsc($_REQUEST['mail'])?>" /> 869 </label> 870 </div> 871 <?php 872 } 873 874 // allow entering an URL 875 if ($this->getConf('urlfield')) { 876 ?> 877 <div class="comment_url"> 878 <label class="block" for="discussion__comment_url"> 879 <span><?php echo $this->getLang('url') ?>:</span> 880 <input type="text" class="edit" name="url" id="discussion__comment_url" size="50" tabindex="3" value="<?php echo hsc($_REQUEST['url'])?>" /> 881 </label> 882 </div> 883 <?php 884 } 885 886 // allow entering an address 887 if ($this->getConf('addressfield')) { 888 ?> 889 <div class="comment_address"> 890 <label class="block" for="discussion__comment_address"> 891 <span><?php echo $this->getLang('address') ?>:</span> 892 <input type="text" class="edit" name="address" id="discussion__comment_address" size="50" tabindex="4" value="<?php echo hsc($_REQUEST['address'])?>" /> 893 </label> 894 </div> 895 <?php 896 } 897 898 // allow setting the comment date 899 if ($this->getConf('adminimport') && ($this->helper->isDiscussionMod())) { 900 ?> 901 <div class="comment_date"> 902 <label class="block" for="discussion__comment_date"> 903 <span><?php echo $this->getLang('date') ?>:</span> 904 <input type="text" class="edit" name="date" id="discussion__comment_date" size="50" /> 905 </label> 906 </div> 907 <?php 908 } 909 910 // for saving a comment 911 } else { 912 ?> 913 <input type="hidden" name="cid" value="<?php echo $cid ?>" /> 914 <?php 915 } 916 ?> 917 <div class="comment_text"> 918 <?php echo $this->getLang('entercomment'); echo ($this->getConf('wikisyntaxok') ? "" : ":"); 919 if($this->getConf('wikisyntaxok')) echo '. ' . $this->getLang('wikisyntax') . ':'; ?> 920 921 <!-- Fix for disable the toolbar when wikisyntaxok is set to false. See discussion's script.jss --> 922 <?php if($this->getConf('wikisyntaxok')) { ?> 923 <div id="discussion__comment_toolbar"> 924 <?php } else { ?> 925 <div id="discussion__comment_toolbar_disabled"> 926 <?php } ?> 927 </div> 928 <textarea class="edit<?php if($_REQUEST['comment'] == 'add' && empty($_REQUEST['text'])) echo ' error'?>" name="text" cols="80" rows="10" id="discussion__comment_text" tabindex="5"><?php 929 if($raw) { 930 echo formText($raw); 931 } else { 932 echo hsc($_REQUEST['text']); 933 } 934 ?></textarea> 935 </div> 936 <?php //bad and dirty event insert hook 937 $evdata = array('writable' => true); 938 trigger_event('HTML_EDITFORM_INJECTION', $evdata); 939 ?> 940 <input class="button comment_submit" id="discussion__btn_submit" type="submit" name="submit" accesskey="s" value="<?php echo $lang['btn_save'] ?>" title="<?php echo $lang['btn_save']?> [S]" tabindex="7" /> 941 <input class="button comment_preview_button" id="discussion__btn_preview" type="button" name="preview" accesskey="p" value="<?php echo $lang['btn_preview'] ?>" title="<?php echo $lang['btn_preview']?> [P]" /> 942 943 <?php if((!$_SERVER['REMOTE_USER'] || $_SERVER['REMOTE_USER'] && !$conf['subscribers']) && $this->getConf('subscribe')) { ?> 944 <div class="comment_subscribe"> 945 <input type="checkbox" id="discussion__comment_subscribe" name="subscribe" tabindex="6" /> 946 <label class="block" for="discussion__comment_subscribe"> 947 <span><?php echo $this->getLang('subscribe') ?></span> 948 </label> 949 </div> 950 <?php } ?> 951 952 <div class="clearer"></div> 953 <div id="discussion__comment_preview"> </div> 954 </div> 955 </form> 956 </div> 957 <?php 958 if ($this->getConf('usecocomment')) echo $this->_coComment(); 959 } 960 961 /** 962 * Adds a javascript to interact with coComments 963 */ 964 function _coComment() { 965 global $ID; 966 global $conf; 967 global $INFO; 968 969 $user = $_SERVER['REMOTE_USER']; 970 971 ?> 972 <script type="text/javascript"><!--//--><![CDATA[//><!-- 973 var blogTool = "DokuWiki"; 974 var blogURL = "<?php echo DOKU_URL ?>"; 975 var blogTitle = "<?php echo $conf['title'] ?>"; 976 var postURL = "<?php echo wl($ID, '', true) ?>"; 977 var postTitle = "<?php echo tpl_pagetitle($ID, true) ?>"; 978 <?php 979 if ($user) { 980 ?> 981 var commentAuthor = "<?php echo $INFO['userinfo']['name'] ?>"; 982 <?php 983 } else { 984 ?> 985 var commentAuthorFieldName = "name"; 986 <?php 987 } 988 ?> 989 var commentAuthorLoggedIn = <?php echo ($user ? 'true' : 'false') ?>; 990 var commentFormID = "discussion__comment_form"; 991 var commentTextFieldName = "text"; 992 var commentButtonName = "submit"; 993 var cocomment_force = false; 994 //--><!]]></script> 995 <script type="text/javascript" src="http://www.cocomment.com/js/cocomment.js"> 996 </script> 997 <?php 998 } 999 1000 /** 1001 * General button function 1002 */ 1003 function _button($cid, $label, $act, $jump = false) { 1004 global $ID; 1005 1006 $anchor = ($jump ? '#discussion__comment_form' : '' ); 1007 1008 ?> 1009 <form class="button discussion__<?php echo $act?>" method="get" action="<?php echo script().$anchor ?>"> 1010 <div class="no"> 1011 <input type="hidden" name="id" value="<?php echo $ID ?>" /> 1012 <input type="hidden" name="do" value="show" /> 1013 <input type="hidden" name="comment" value="<?php echo $act ?>" /> 1014 <input type="hidden" name="cid" value="<?php echo $cid ?>" /> 1015 <input type="submit" value="<?php echo $label ?>" class="button" title="<?php echo $label ?>" /> 1016 </div> 1017 </form> 1018 <?php 1019 return true; 1020 } 1021 1022 /** 1023 * Adds an entry to the comments changelog 1024 * 1025 * @author Esther Brunner <wikidesign@gmail.com> 1026 * @author Ben Coburn <btcoburn@silicodon.net> 1027 */ 1028 function _addLogEntry($date, $id, $type = 'cc', $summary = '', $extra = '') { 1029 global $conf; 1030 1031 $changelog = $conf['metadir'].'/_comments.changes'; 1032 1033 if(!$date) $date = time(); //use current time if none supplied 1034 $remote = $_SERVER['REMOTE_ADDR']; 1035 $user = $_SERVER['REMOTE_USER']; 1036 1037 $strip = array("\t", "\n"); 1038 $logline = array( 1039 'date' => $date, 1040 'ip' => $remote, 1041 'type' => str_replace($strip, '', $type), 1042 'id' => $id, 1043 'user' => $user, 1044 'sum' => str_replace($strip, '', $summary), 1045 'extra' => str_replace($strip, '', $extra) 1046 ); 1047 1048 // add changelog line 1049 $logline = implode("\t", $logline)."\n"; 1050 io_saveFile($changelog, $logline, true); //global changelog cache 1051 $this->_trimRecentCommentsLog($changelog); 1052 1053 // tell the indexer to re-index the page 1054 @unlink(metaFN($id, '.indexed')); 1055 } 1056 1057 /** 1058 * Trims the recent comments cache to the last $conf['changes_days'] recent 1059 * changes or $conf['recent'] items, which ever is larger. 1060 * The trimming is only done once a day. 1061 * 1062 * @author Ben Coburn <btcoburn@silicodon.net> 1063 */ 1064 function _trimRecentCommentsLog($changelog) { 1065 global $conf; 1066 1067 if (@file_exists($changelog) && 1068 (filectime($changelog) + 86400) < time() && 1069 !@file_exists($changelog.'_tmp')) { 1070 1071 io_lock($changelog); 1072 $lines = file($changelog); 1073 if (count($lines)<$conf['recent']) { 1074 // nothing to trim 1075 io_unlock($changelog); 1076 return true; 1077 } 1078 1079 io_saveFile($changelog.'_tmp', ''); // presave tmp as 2nd lock 1080 $trim_time = time() - $conf['recent_days']*86400; 1081 $out_lines = array(); 1082 1083 $num = count($lines); 1084 for ($i=0; $i<$num; $i++) { 1085 $log = parseChangelogLine($lines[$i]); 1086 if ($log === false) continue; // discard junk 1087 if ($log['date'] < $trim_time) { 1088 $old_lines[$log['date'].".$i"] = $lines[$i]; // keep old lines for now (append .$i to prevent key collisions) 1089 } else { 1090 $out_lines[$log['date'].".$i"] = $lines[$i]; // definitely keep these lines 1091 } 1092 } 1093 1094 // sort the final result, it shouldn't be necessary, 1095 // however the extra robustness in making the changelog cache self-correcting is worth it 1096 ksort($out_lines); 1097 $extra = $conf['recent'] - count($out_lines); // do we need extra lines do bring us up to minimum 1098 if ($extra > 0) { 1099 ksort($old_lines); 1100 $out_lines = array_merge(array_slice($old_lines,-$extra),$out_lines); 1101 } 1102 1103 // save trimmed changelog 1104 io_saveFile($changelog.'_tmp', implode('', $out_lines)); 1105 @unlink($changelog); 1106 if (!rename($changelog.'_tmp', $changelog)) { 1107 // rename failed so try another way... 1108 io_unlock($changelog); 1109 io_saveFile($changelog, implode('', $out_lines)); 1110 @unlink($changelog.'_tmp'); 1111 } else { 1112 io_unlock($changelog); 1113 } 1114 return true; 1115 } 1116 } 1117 1118 /** 1119 * Sends a notify mail on new comment 1120 * 1121 * @param array $comment data array of the new comment 1122 * @param array $subscribers data of the subscribers 1123 * 1124 * @author Andreas Gohr <andi@splitbrain.org> 1125 * @author Esther Brunner <wikidesign@gmail.com> 1126 */ 1127 function _notify($comment, &$subscribers) { 1128 global $conf; 1129 global $ID; 1130 1131 $notify_text = io_readfile($this->localfn('subscribermail')); 1132 $confirm_text = io_readfile($this->localfn('confirmsubscribe')); 1133 $subject_notify = '['.$conf['title'].'] '.$this->getLang('mail_newcomment'); 1134 $subject_subscribe = '['.$conf['title'].'] '.$this->getLang('subscribe'); 1135 1136 $mailer = new Mailer(); 1137 if (empty($_SERVER['REMOTE_USER'])) { 1138 $mailer->from($conf['mailfromnobody']); 1139 } 1140 1141 $replace = array( 1142 'PAGE' => $ID, 1143 'TITLE' => $conf['title'], 1144 'DATE' => dformat($comment['date']['created'], $conf['dformat']), 1145 'NAME' => $comment['user']['name'], 1146 'TEXT' => $comment['raw'], 1147 'COMMENTURL' => wl($ID, '', true) . '#comment_' . $comment['cid'], 1148 'UNSUBSCRIBE' => wl($ID, 'do=unsubscribe', true, '&'), 1149 'DOKUWIKIURL' => DOKU_URL 1150 ); 1151 1152 $confirm_replace = array( 1153 'PAGE' => $ID, 1154 'TITLE' => $conf['title'], 1155 'DOKUWIKIURL' => DOKU_URL 1156 ); 1157 1158 1159 $mailer->subject($subject_notify); 1160 $mailer->setBody($notify_text, $replace); 1161 1162 // send mail to notify address 1163 if ($conf['notify']) { 1164 $mailer->bcc($conf['notify']); 1165 $mailer->send(); 1166 } 1167 1168 // notify page subscribers 1169 if (actionOK('subscribe')) { 1170 $data = array('id' => $ID, 'addresslist' => '', 'self' => false); 1171 if (class_exists('Subscription')) { /* Introduced in DokuWiki 2013-05-10 */ 1172 trigger_event( 1173 'COMMON_NOTIFY_ADDRESSLIST', $data, 1174 array(new Subscription(), 'notifyaddresses') 1175 ); 1176 } else { /* Old, deprecated default handler */ 1177 trigger_event( 1178 'COMMON_NOTIFY_ADDRESSLIST', $data, 1179 'subscription_addresslist' 1180 ); 1181 } 1182 $to = $data['addresslist']; 1183 if(!empty($to)) { 1184 $mailer->bcc($to); 1185 $mailer->send(); 1186 } 1187 } 1188 1189 // notify comment subscribers 1190 if (!empty($subscribers)) { 1191 1192 foreach($subscribers as $mail => $data) { 1193 $mailer->bcc($mail); 1194 if($data['active']) { 1195 $replace['UNSUBSCRIBE'] = wl($ID, 'do=discussion_unsubscribe&hash=' . $data['hash'], true, '&'); 1196 1197 $mailer->subject($subject_notify); 1198 $mailer->setBody($notify_text, $replace); 1199 $mailer->send(); 1200 } elseif(!$data['active'] && !$data['confirmsent']) { 1201 $confirm_replace['SUBSCRIBE'] = wl($ID, 'do=discussion_confirmsubscribe&hash=' . $data['hash'], true, '&'); 1202 1203 $mailer->subject($subject_subscribe); 1204 $mailer->setBody($confirm_text, $confirm_replace); 1205 $mailer->send(); 1206 $subscribers[$mail]['confirmsent'] = true; 1207 } 1208 } 1209 } 1210 } 1211 1212 /** 1213 * Counts the number of visible comments 1214 */ 1215 function _count($data) { 1216 $number = 0; 1217 foreach ($data['comments'] as $cid => $comment) { 1218 if ($comment['parent']) continue; 1219 if (!$comment['show']) continue; 1220 $number++; 1221 $rids = $comment['replies']; 1222 if (count($rids)) $number = $number + $this->_countReplies($data, $rids); 1223 } 1224 return $number; 1225 } 1226 1227 function _countReplies(&$data, $rids) { 1228 $number = 0; 1229 foreach ($rids as $rid) { 1230 if (!isset($data['comments'][$rid])) continue; // reply was removed 1231 if (!$data['comments'][$rid]['show']) continue; 1232 $number++; 1233 $rids = $data['comments'][$rid]['replies']; 1234 if (count($rids)) $number = $number + $this->_countReplies($data, $rids); 1235 } 1236 return $number; 1237 } 1238 1239 /** 1240 * Renders the comment text 1241 */ 1242 function _render($raw) { 1243 if ($this->getConf('wikisyntaxok')) { 1244 $xhtml = $this->render($raw); 1245 } else { // wiki syntax not allowed -> just encode special chars 1246 $xhtml = hsc(trim($raw)); 1247 $xhtml = str_replace("\n", '<br />', $xhtml); 1248 } 1249 return $xhtml; 1250 } 1251 1252 /** 1253 * Finds out whether there is a discussion section for the current page 1254 */ 1255 function _hasDiscussion(&$title) { 1256 global $ID; 1257 1258 $cfile = metaFN($ID, '.comments'); 1259 1260 if (!@file_exists($cfile)) { 1261 if ($this->getConf('automatic')) { 1262 return true; 1263 } else { 1264 return false; 1265 } 1266 } 1267 1268 $comments = unserialize(io_readFile($cfile, false)); 1269 1270 if ($comments['title']) $title = hsc($comments['title']); 1271 $num = $comments['number']; 1272 if ((!$comments['status']) || (($comments['status'] == 2) && (!$num))) return false; 1273 else return true; 1274 } 1275 1276 /** 1277 * Creates a new thread page 1278 */ 1279 function _newThread() { 1280 global $ID, $INFO; 1281 1282 $ns = cleanID($_REQUEST['ns']); 1283 $title = str_replace(':', '', $_REQUEST['title']); 1284 $back = $ID; 1285 $ID = ($ns ? $ns.':' : '').cleanID($title); 1286 $INFO = pageinfo(); 1287 1288 // check if we are allowed to create this file 1289 if ($INFO['perm'] >= AUTH_CREATE) { 1290 1291 //check if locked by anyone - if not lock for my self 1292 if ($INFO['locked']) return 'locked'; 1293 else lock($ID); 1294 1295 // prepare the new thread file with default stuff 1296 if (!@file_exists($INFO['filepath'])) { 1297 global $TEXT; 1298 1299 $TEXT = pageTemplate(array(($ns ? $ns.':' : '').$title)); 1300 if (!$TEXT) { 1301 $data = array('id' => $ID, 'ns' => $ns, 'title' => $title, 'back' => $back); 1302 $TEXT = $this->_pageTemplate($data); 1303 } 1304 return 'preview'; 1305 } else { 1306 return 'edit'; 1307 } 1308 } else { 1309 return 'show'; 1310 } 1311 } 1312 1313 /** 1314 * Adapted version of pageTemplate() function 1315 */ 1316 function _pageTemplate($data) { 1317 global $conf, $INFO; 1318 1319 $id = $data['id']; 1320 $user = $_SERVER['REMOTE_USER']; 1321 $tpl = io_readFile(DOKU_PLUGIN.'discussion/_template.txt'); 1322 1323 // standard replacements 1324 $replace = array( 1325 '@NS@' => $data['ns'], 1326 '@PAGE@' => strtr(noNS($id),'_',' '), 1327 '@USER@' => $user, 1328 '@NAME@' => $INFO['userinfo']['name'], 1329 '@MAIL@' => $INFO['userinfo']['mail'], 1330 '@DATE@' => dformat(time(), $conf['dformat']), 1331 ); 1332 1333 // additional replacements 1334 $replace['@BACK@'] = $data['back']; 1335 $replace['@TITLE@'] = $data['title']; 1336 1337 // avatar if useavatar and avatar plugin available 1338 if ($this->getConf('useavatar') 1339 && (@file_exists(DOKU_PLUGIN.'avatar/syntax.php')) 1340 && (!plugin_isdisabled('avatar'))) { 1341 $replace['@AVATAR@'] = '{{avatar>'.$user.' }} '; 1342 } else { 1343 $replace['@AVATAR@'] = ''; 1344 } 1345 1346 // tag if tag plugin is available 1347 if ((@file_exists(DOKU_PLUGIN.'tag/syntax/tag.php')) 1348 && (!plugin_isdisabled('tag'))) { 1349 $replace['@TAG@'] = "\n\n{{tag>}}"; 1350 } else { 1351 $replace['@TAG@'] = ''; 1352 } 1353 1354 // do the replace 1355 $tpl = str_replace(array_keys($replace), array_values($replace), $tpl); 1356 return $tpl; 1357 } 1358 1359 /** 1360 * Checks if the CAPTCHA string submitted is valid 1361 */ 1362 function _captchaCheck() { 1363 /** @var helper_plugin_captcha $captcha */ 1364 if (plugin_isdisabled('captcha') || (!$captcha = plugin_load('helper', 'captcha'))) 1365 return; // CAPTCHA is disabled or not available 1366 1367 if ($captcha->isEnabled() && !$captcha->check()) { 1368 if ($_REQUEST['comment'] == 'save') $_REQUEST['comment'] = 'edit'; 1369 elseif ($_REQUEST['comment'] == 'add') $_REQUEST['comment'] = 'show'; 1370 } 1371 } 1372 1373 /** 1374 * checks if the submitted reCAPTCHA string is valid 1375 * 1376 * @author Adrian Schlegel <adrian@liip.ch> 1377 */ 1378 function _recaptchaCheck() { 1379 if (plugin_isdisabled('recaptcha') || (!$recaptcha = plugin_load('helper', 'recaptcha'))) 1380 return; // reCAPTCHA is disabled or not available 1381 1382 // do nothing if logged in user and no reCAPTCHA required 1383 if (!$recaptcha->getConf('forusers') && $_SERVER['REMOTE_USER']) return; 1384 1385 $resp = $recaptcha->check(); 1386 if (!$resp->is_valid) { 1387 msg($recaptcha->getLang('testfailed'),-1); 1388 if ($_REQUEST['comment'] == 'save') $_REQUEST['comment'] = 'edit'; 1389 elseif ($_REQUEST['comment'] == 'add') $_REQUEST['comment'] = 'show'; 1390 } 1391 } 1392 1393 /** 1394 * Add discussion plugin version to the indexer version 1395 * This means that all pages will be indexed again in order to add the comments 1396 * to the index whenever there has been a change that concerns the index content. 1397 */ 1398 function idx_version(&$event, $param) { 1399 $event->data['discussion'] = '0.1'; 1400 } 1401 1402 /** 1403 * Adds the comments to the index 1404 */ 1405 function idx_add_discussion(&$event, $param) { 1406 1407 // get .comments meta file name 1408 $file = metaFN($event->data['page'], '.comments'); 1409 1410 if (!@file_exists($file)) return; 1411 $data = unserialize(io_readFile($file, false)); 1412 if ((!$data['status']) || ($data['number'] == 0)) return; // comments are turned off 1413 1414 // now add the comments 1415 if (isset($data['comments'])) { 1416 foreach ($data['comments'] as $key => $value) { 1417 $event->data['body'] .= $this->_addCommentWords($key, $data); 1418 } 1419 } 1420 } 1421 1422 /** 1423 * Saves the current comment status and title in the .comments file 1424 */ 1425 function update_comment_status(Doku_Event $event, $param) { 1426 global $ID; 1427 1428 $meta = $event->data['current']; 1429 $file = metaFN($ID, '.comments'); 1430 $status = ($this->getConf('automatic') ? 1 : 0); 1431 $title = NULL; 1432 if (isset($meta['plugin_discussion'])) { 1433 $status = $meta['plugin_discussion']['status']; 1434 $title = $meta['plugin_discussion']['title']; 1435 } else if ($status == 1) { 1436 // Don't enable comments when automatic comments are on - this already happens automatically 1437 // and if comments are turned off in the admin this only updates the .comments file 1438 return; 1439 } 1440 1441 if ($status || @file_exists($file)) { 1442 $data = array(); 1443 if (@file_exists($file)) { 1444 $data = unserialize(io_readFile($file, false)); 1445 } 1446 1447 if (!array_key_exists('title', $data) || $data['title'] !== $title || !isset($data['status']) || $data['status'] !== $status) { 1448 $data['title'] = $title; 1449 $data['status'] = $status; 1450 if (!isset($data['number'])) 1451 $data['number'] = 0; 1452 io_saveFile($file, serialize($data)); 1453 } 1454 } 1455 } 1456 1457 /** 1458 * Adds the words of a given comment to the index 1459 */ 1460 function _addCommentWords($cid, &$data, $parent = '') { 1461 1462 if (!isset($data['comments'][$cid])) return ''; // comment was removed 1463 $comment = $data['comments'][$cid]; 1464 1465 if (!is_array($comment)) return ''; // corrupt datatype 1466 if ($comment['parent'] != $parent) return ''; // reply to an other comment 1467 if (!$comment['show']) return ''; // hidden comment 1468 1469 $text = $comment['raw']; // we only add the raw comment text 1470 if (is_array($comment['replies'])) { // and the replies 1471 foreach ($comment['replies'] as $rid) { 1472 $text .= $this->_addCommentWords($rid, $data, $cid); 1473 } 1474 } 1475 return ' '.$text; 1476 } 1477 1478 /** 1479 * Only allow http(s) URLs and append http:// to URLs if needed 1480 */ 1481 function _checkURL($url) { 1482 if(preg_match("#^http://|^https://#", $url)) { 1483 return hsc($url); 1484 } elseif(substr($url, 0, 4) == 'www.') { 1485 return hsc('http://' . $url); 1486 } else { 1487 return ''; 1488 } 1489 } 1490} 1491 1492 function _sortCallback($a, $b) { 1493 if (is_array($a['date'])) { // new format 1494 $createdA = $a['date']['created']; 1495 } else { // old format 1496 $createdA = $a['date']; 1497 } 1498 1499 if (is_array($b['date'])) { // new format 1500 $createdB = $b['date']['created']; 1501 } else { // old format 1502 $createdB = $b['date']; 1503 } 1504 1505 if ($createdA == $createdB) 1506 return 0; 1507 else 1508 return ($createdA < $createdB) ? -1 : 1; 1509 } 1510 1511// vim:ts=4:sw=4:et:enc=utf-8: 1512