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1 <?php 2 /** 3 * 4 * @package phpBB3 5 * @version $Id$ 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 * Messenger 21 * @package phpBB3 22 */ 23 class messenger 24 { 25 var $vars, $msg, $extra_headers, $replyto, $from, $subject; 26 var $addresses = array(); 27 28 var $mail_priority = MAIL_NORMAL_PRIORITY; 29 var $use_queue = true; 30 31 var $tpl_obj = NULL; 32 var $tpl_msg = array(); 33 var $eol = "\n"; 34 35 /** 36 * Constructor 37 */ 38 function messenger($use_queue = true) 39 { 40 global $config; 41 42 $this->use_queue = (!$config['email_package_size']) ? false : $use_queue; 43 $this->subject = ''; 44 45 // Determine EOL character (\n for UNIX, \r\n for Windows and \r for Mac) 46 $this->eol = (!defined('PHP_EOL')) ? (($eol = strtolower(substr(PHP_OS, 0, 3))) == 'win') ? "\r\n" : (($eol == 'mac') ? "\r" : "\n") : PHP_EOL; 47 $this->eol = (!$this->eol) ? "\n" : $this->eol; 48 } 49 50 /** 51 * Resets all the data (address, template file, etc etc) to default 52 */ 53 function reset() 54 { 55 $this->addresses = $this->extra_headers = array(); 56 $this->vars = $this->msg = $this->replyto = $this->from = ''; 57 $this->mail_priority = MAIL_NORMAL_PRIORITY; 58 } 59 60 /** 61 * Sets an email address to send to 62 */ 63 function to($address, $realname = '') 64 { 65 global $config; 66 67 if (!trim($address)) 68 { 69 return; 70 } 71 72 $pos = isset($this->addresses['to']) ? sizeof($this->addresses['to']) : 0; 73 74 $this->addresses['to'][$pos]['email'] = trim($address); 75 76 // If empty sendmail_path on windows, PHP changes the to line 77 if (!$config['smtp_delivery'] && DIRECTORY_SEPARATOR == '\\') 78 { 79 $this->addresses['to'][$pos]['name'] = ''; 80 } 81 else 82 { 83 $this->addresses['to'][$pos]['name'] = trim($realname); 84 } 85 } 86 87 /** 88 * Sets an cc address to send to 89 */ 90 function cc($address, $realname = '') 91 { 92 if (!trim($address)) 93 { 94 return; 95 } 96 97 $pos = isset($this->addresses['cc']) ? sizeof($this->addresses['cc']) : 0; 98 $this->addresses['cc'][$pos]['email'] = trim($address); 99 $this->addresses['cc'][$pos]['name'] = trim($realname); 100 } 101 102 /** 103 * Sets an bcc address to send to 104 */ 105 function bcc($address, $realname = '') 106 { 107 if (!trim($address)) 108 { 109 return; 110 } 111 112 $pos = isset($this->addresses['bcc']) ? sizeof($this->addresses['bcc']) : 0; 113 $this->addresses['bcc'][$pos]['email'] = trim($address); 114 $this->addresses['bcc'][$pos]['name'] = trim($realname); 115 } 116 117 /** 118 * Sets a im contact to send to 119 */ 120 function im($address, $realname = '') 121 { 122 // IM-Addresses could be empty 123 if (!trim($address)) 124 { 125 return; 126 } 127 128 $pos = isset($this->addresses['im']) ? sizeof($this->addresses['im']) : 0; 129 $this->addresses['im'][$pos]['uid'] = trim($address); 130 $this->addresses['im'][$pos]['name'] = trim($realname); 131 } 132 133 /** 134 * Set the reply to address 135 */ 136 function replyto($address) 137 { 138 $this->replyto = trim($address); 139 } 140 141 /** 142 * Set the from address 143 */ 144 function from($address) 145 { 146 $this->from = trim($address); 147 } 148 149 /** 150 * set up subject for mail 151 */ 152 function subject($subject = '') 153 { 154 $this->subject = trim($subject); 155 } 156 157 /** 158 * set up extra mail headers 159 */ 160 function headers($headers) 161 { 162 $this->extra_headers[] = trim($headers); 163 } 164 165 /** 166 * Adds X-AntiAbuse headers 167 * 168 * @param array $config Configuration array 169 * @param user $user A user object 170 * 171 * @return null 172 */ 173 function anti_abuse_headers($config, $user) 174 { 175 $this->headers('X-AntiAbuse: Board servername - ' . mail_encode($config['server_name'])); 176 $this->headers('X-AntiAbuse: User_id - ' . $user->data['user_id']); 177 $this->headers('X-AntiAbuse: Username - ' . mail_encode($user->data['username'])); 178 $this->headers('X-AntiAbuse: User IP - ' . $user->ip); 179 } 180 181 /** 182 * Set the email priority 183 */ 184 function set_mail_priority($priority = MAIL_NORMAL_PRIORITY) 185 { 186 $this->mail_priority = $priority; 187 } 188 189 /** 190 * Set email template to use 191 */ 192 function template($template_file, $template_lang = '', $template_path = '') 193 { 194 global $config, $phpbb_root_path, $user; 195 196 if (!trim($template_file)) 197 { 198 trigger_error('No template file for emailing set.', E_USER_ERROR); 199 } 200 201 if (!trim($template_lang)) 202 { 203 // fall back to board default language if the user's language is 204 // missing $template_file. If this does not exist either, 205 // $tpl->set_custom_template will do a trigger_error 206 $template_lang = basename($config['default_lang']); 207 } 208 209 // tpl_msg now holds a template object we can use to parse the template file 210 if (!isset($this->tpl_msg[$template_lang . $template_file])) 211 { 212 $this->tpl_msg[$template_lang . $template_file] = new template(); 213 $tpl = &$this->tpl_msg[$template_lang . $template_file]; 214 215 $fallback_template_path = false; 216 217 if (!$template_path) 218 { 219 $template_path = (!empty($user->lang_path)) ? $user->lang_path : $phpbb_root_path . 'language/'; 220 $template_path .= $template_lang . '/email'; 221 222 // we can only specify default language fallback when the path is not a custom one for which we 223 // do not know the default language alternative 224 if ($template_lang !== basename($config['default_lang'])) 225 { 226 $fallback_template_path = (!empty($user->lang_path)) ? $user->lang_path : $phpbb_root_path . 'language/'; 227 $fallback_template_path .= basename($config['default_lang']) . '/email'; 228 } 229 } 230 231 $tpl->set_custom_template($template_path, $template_lang . '_email', $fallback_template_path); 232 233 $tpl->set_filenames(array( 234 'body' => $template_file . '.txt', 235 )); 236 } 237 238 $this->tpl_obj = &$this->tpl_msg[$template_lang . $template_file]; 239 $this->vars = &$this->tpl_obj->_rootref; 240 $this->tpl_msg = ''; 241 242 return true; 243 } 244 245 /** 246 * assign variables to email template 247 */ 248 function assign_vars($vars) 249 { 250 if (!is_object($this->tpl_obj)) 251 { 252 return; 253 } 254 255 $this->tpl_obj->assign_vars($vars); 256 } 257 258 function assign_block_vars($blockname, $vars) 259 { 260 if (!is_object($this->tpl_obj)) 261 { 262 return; 263 } 264 265 $this->tpl_obj->assign_block_vars($blockname, $vars); 266 } 267 268 /** 269 * Send the mail out to the recipients set previously in var $this->addresses 270 */ 271 function send($method = NOTIFY_EMAIL, $break = false) 272 { 273 global $config, $user; 274 275 // We add some standard variables we always use, no need to specify them always 276 if (!isset($this->vars['U_BOARD'])) 277 { 278 $this->assign_vars(array( 279 'U_BOARD' => generate_board_url(), 280 )); 281 } 282 283 if (!isset($this->vars['EMAIL_SIG'])) 284 { 285 $this->assign_vars(array( 286 'EMAIL_SIG' => str_replace('<br />', "\n", "-- \n" . htmlspecialchars_decode($config['board_email_sig'])), 287 )); 288 } 289 290 if (!isset($this->vars['SITENAME'])) 291 { 292 $this->assign_vars(array( 293 'SITENAME' => htmlspecialchars_decode($config['sitename']), 294 )); 295 } 296 297 // Parse message through template 298 $this->msg = trim($this->tpl_obj->assign_display('body')); 299 300 // Because we use \n for newlines in the body message we need to fix line encoding errors for those admins who uploaded email template files in the wrong encoding 301 $this->msg = str_replace("\r\n", "\n", $this->msg); 302 303 // We now try and pull a subject from the email body ... if it exists, 304 // do this here because the subject may contain a variable 305 $drop_header = ''; 306 $match = array(); 307 if (preg_match('#^(Subject:(.*?))$#m', $this->msg, $match)) 308 { 309 $this->subject = (trim($match[2]) != '') ? trim($match[2]) : (($this->subject != '') ? $this->subject : $user->lang['NO_EMAIL_SUBJECT']); 310 $drop_header .= '[\r\n]*?' . preg_quote($match[1], '#'); 311 } 312 else 313 { 314 $this->subject = (($this->subject != '') ? $this->subject : $user->lang['NO_EMAIL_SUBJECT']); 315 } 316 317 if ($drop_header) 318 { 319 $this->msg = trim(preg_replace('#' . $drop_header . '#s', '', $this->msg)); 320 } 321 322 if ($break) 323 { 324 return true; 325 } 326 327 switch ($method) 328 { 329 case NOTIFY_EMAIL: 330 $result = $this->msg_email(); 331 break; 332 333 case NOTIFY_IM: 334 $result = $this->msg_jabber(); 335 break; 336 337 case NOTIFY_BOTH: 338 $result = $this->msg_email(); 339 $this->msg_jabber(); 340 break; 341 } 342 343 $this->reset(); 344 return $result; 345 } 346 347 /** 348 * Add error message to log 349 */ 350 function error($type, $msg) 351 { 352 global $user, $phpEx, $phpbb_root_path, $config; 353 354 // Session doesn't exist, create it 355 if (!isset($user->session_id) || $user->session_id === '') 356 { 357 $user->session_begin(); 358 } 359 360 $calling_page = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF']; 361 362 $message = ''; 363 switch ($type) 364 { 365 case 'EMAIL': 366 $message = '<strong>EMAIL/' . (($config['smtp_delivery']) ? 'SMTP' : 'PHP/' . $config['email_function_name'] . '()') . '</strong>'; 367 break; 368 369 default: 370 $message = "<strong>$type</strong>"; 371 break; 372 } 373 374 $message .= '<br /><em>' . htmlspecialchars($calling_page) . '</em><br /><br />' . $msg . '<br />'; 375 add_log('critical', 'LOG_ERROR_' . $type, $message); 376 } 377 378 /** 379 * Save to queue 380 */ 381 function save_queue() 382 { 383 global $config; 384 385 if ($config['email_package_size'] && $this->use_queue && !empty($this->queue)) 386 { 387 $this->queue->save(); 388 return; 389 } 390 } 391 392 /** 393 * Generates a valid message id to be used in emails 394 * 395 * @return string message id 396 */ 397 function generate_message_id() 398 { 399 global $config; 400 401 $domain = 'phpbb.generated'; 402 if ($config['server_name']) 403 { 404 $domain = $config['server_name']; 405 } 406 else if (!empty($_SERVER['SERVER_NAME'])) 407 { 408 $domain = $_SERVER['SERVER_NAME']; 409 } 410 411 return md5(unique_id(time())) . '@' . $domain; 412 } 413 414 /** 415 * Return email header 416 */ 417 function build_header($to, $cc, $bcc) 418 { 419 global $config; 420 421 // We could use keys here, but we won't do this for 3.0.x to retain backwards compatibility 422 $headers = array(); 423 424 $headers[] = 'From: ' . $this->from; 425 426 if ($cc) 427 { 428 $headers[] = 'Cc: ' . $cc; 429 } 430 431 if ($bcc) 432 { 433 $headers[] = 'Bcc: ' . $bcc; 434 } 435 436 $headers[] = 'Reply-To: ' . $this->replyto; 437 $headers[] = 'Return-Path: <' . $config['board_email'] . '>'; 438 $headers[] = 'Sender: <' . $config['board_email'] . '>'; 439 $headers[] = 'MIME-Version: 1.0'; 440 $headers[] = 'Message-ID: <' . $this->generate_message_id() . '>'; 441 $headers[] = 'Date: ' . date('r', time()); 442 $headers[] = 'Content-Type: text/plain; charset=UTF-8'; // format=flowed 443 $headers[] = 'Content-Transfer-Encoding: 8bit'; // 7bit 444 445 $headers[] = 'X-Priority: ' . $this->mail_priority; 446 $headers[] = 'X-MSMail-Priority: ' . (($this->mail_priority == MAIL_LOW_PRIORITY) ? 'Low' : (($this->mail_priority == MAIL_NORMAL_PRIORITY) ? 'Normal' : 'High')); 447 $headers[] = 'X-Mailer: phpBB3'; 448 $headers[] = 'X-MimeOLE: phpBB3'; 449 $headers[] = 'X-phpBB-Origin: phpbb://' . str_replace(array('http://', 'https://'), array('', ''), generate_board_url()); 450 451 if (sizeof($this->extra_headers)) 452 { 453 $headers = array_merge($headers, $this->extra_headers); 454 } 455 456 return $headers; 457 } 458 459 /** 460 * Send out emails 461 */ 462 function msg_email() 463 { 464 global $config, $user; 465 466 if (empty($config['email_enable'])) 467 { 468 return false; 469 } 470 471 // Addresses to send to? 472 if (empty($this->addresses) || (empty($this->addresses['to']) && empty($this->addresses['cc']) && empty($this->addresses['bcc']))) 473 { 474 // Send was successful. ;) 475 return true; 476 } 477 478 $use_queue = false; 479 if ($config['email_package_size'] && $this->use_queue) 480 { 481 if (empty($this->queue)) 482 { 483 $this->queue = new queue(); 484 $this->queue->init('email', $config['email_package_size']); 485 } 486 $use_queue = true; 487 } 488 489 if (empty($this->replyto)) 490 { 491 $this->replyto = '<' . $config['board_contact'] . '>'; 492 } 493 494 if (empty($this->from)) 495 { 496 $this->from = '<' . $config['board_contact'] . '>'; 497 } 498 499 $encode_eol = ($config['smtp_delivery']) ? "\r\n" : $this->eol; 500 501 // Build to, cc and bcc strings 502 $to = $cc = $bcc = ''; 503 foreach ($this->addresses as $type => $address_ary) 504 { 505 if ($type == 'im') 506 { 507 continue; 508 } 509 510 foreach ($address_ary as $which_ary) 511 { 512 $$type .= (($$type != '') ? ', ' : '') . (($which_ary['name'] != '') ? mail_encode($which_ary['name'], $encode_eol) . ' <' . $which_ary['email'] . '>' : $which_ary['email']); 513 } 514 } 515 516 // Build header 517 $headers = $this->build_header($to, $cc, $bcc); 518 519 // Send message ... 520 if (!$use_queue) 521 { 522 $mail_to = ($to == '') ? 'undisclosed-recipients:;' : $to; 523 $err_msg = ''; 524 525 if ($config['smtp_delivery']) 526 { 527 $result = smtpmail($this->addresses, mail_encode($this->subject), wordwrap(utf8_wordwrap($this->msg), 997, "\n", true), $err_msg, $headers); 528 } 529 else 530 { 531 $result = phpbb_mail($mail_to, $this->subject, $this->msg, $headers, $this->eol, $err_msg); 532 } 533 534 if (!$result) 535 { 536 $this->error('EMAIL', $err_msg); 537 return false; 538 } 539 } 540 else 541 { 542 $this->queue->put('email', array( 543 'to' => $to, 544 'addresses' => $this->addresses, 545 'subject' => $this->subject, 546 'msg' => $this->msg, 547 'headers' => $headers) 548 ); 549 } 550 551 return true; 552 } 553 554 /** 555 * Send jabber message out 556 */ 557 function msg_jabber() 558 { 559 global $config, $db, $user, $phpbb_root_path, $phpEx; 560 561 if (empty($config['jab_enable']) || empty($config['jab_host']) || empty($config['jab_username']) || empty($config['jab_password'])) 562 { 563 return false; 564 } 565 566 if (empty($this->addresses['im'])) 567 { 568 // Send was successful. ;) 569 return true; 570 } 571 572 $use_queue = false; 573 if ($config['jab_package_size'] && $this->use_queue) 574 { 575 if (empty($this->queue)) 576 { 577 $this->queue = new queue(); 578 $this->queue->init('jabber', $config['jab_package_size']); 579 } 580 $use_queue = true; 581 } 582 583 $addresses = array(); 584 foreach ($this->addresses['im'] as $type => $uid_ary) 585 { 586 $addresses[] = $uid_ary['uid']; 587 } 588 $addresses = array_unique($addresses); 589 590 if (!$use_queue) 591 { 592 include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx); 593 $this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl']); 594 595 if (!$this->jabber->connect()) 596 { 597 $this->error('JABBER', $user->lang['ERR_JAB_CONNECT'] . '<br />' . $this->jabber->get_log()); 598 return false; 599 } 600 601 if (!$this->jabber->login()) 602 { 603 $this->error('JABBER', $user->lang['ERR_JAB_AUTH'] . '<br />' . $this->jabber->get_log()); 604 return false; 605 } 606 607 foreach ($addresses as $address) 608 { 609 $this->jabber->send_message($address, $this->msg, $this->subject); 610 } 611 612 $this->jabber->disconnect(); 613 } 614 else 615 { 616 $this->queue->put('jabber', array( 617 'addresses' => $addresses, 618 'subject' => $this->subject, 619 'msg' => $this->msg) 620 ); 621 } 622 unset($addresses); 623 return true; 624 } 625 } 626 627 /** 628 * handling email and jabber queue 629 * @package phpBB3 630 */ 631 class queue 632 { 633 var $data = array(); 634 var $queue_data = array(); 635 var $package_size = 0; 636 var $cache_file = ''; 637 var $eol = "\n"; 638 639 /** 640 * constructor 641 */ 642 function queue() 643 { 644 global $phpEx, $phpbb_root_path; 645 646 $this->data = array(); 647 $this->cache_file = "{$phpbb_root_path}cache/queue.$phpEx"; 648 649 // Determine EOL character (\n for UNIX, \r\n for Windows and \r for Mac) 650 $this->eol = (!defined('PHP_EOL')) ? (($eol = strtolower(substr(PHP_OS, 0, 3))) == 'win') ? "\r\n" : (($eol == 'mac') ? "\r" : "\n") : PHP_EOL; 651 $this->eol = (!$this->eol) ? "\n" : $this->eol; 652 } 653 654 /** 655 * Init a queue object 656 */ 657 function init($object, $package_size) 658 { 659 $this->data[$object] = array(); 660 $this->data[$object]['package_size'] = $package_size; 661 $this->data[$object]['data'] = array(); 662 } 663 664 /** 665 * Put object in queue 666 */ 667 function put($object, $scope) 668 { 669 $this->data[$object]['data'][] = $scope; 670 } 671 672 /** 673 * Obtains exclusive lock on queue cache file. 674 * Returns resource representing the lock 675 */ 676 function lock() 677 { 678 // For systems that can't have two processes opening 679 // one file for writing simultaneously 680 if (file_exists($this->cache_file . '.lock')) 681 { 682 $mode = 'rb'; 683 } 684 else 685 { 686 $mode = 'wb'; 687 } 688 689 $lock_fp = @fopen($this->cache_file . '.lock', $mode); 690 691 if ($mode == 'wb') 692 { 693 if (!$lock_fp) 694 { 695 // Two processes may attempt to create lock file at the same time. 696 // Have the losing process try opening the lock file again for reading 697 // on the assumption that the winning process created it 698 $mode = 'rb'; 699 $lock_fp = @fopen($this->cache_file . '.lock', $mode); 700 } 701 else 702 { 703 // Only need to set mode when the lock file is written 704 @chmod($this->cache_file . '.lock', 0666); 705 } 706 } 707 708 if ($lock_fp) 709 { 710 @flock($lock_fp, LOCK_EX); 711 } 712 713 return $lock_fp; 714 } 715 716 /** 717 * Releases lock on queue cache file, using resource obtained from lock() 718 */ 719 function unlock($lock_fp) 720 { 721 // lock() will return null if opening lock file, and thus locking, failed. 722 // Accept null values here so that client code does not need to check them 723 if ($lock_fp) 724 { 725 @flock($lock_fp, LOCK_UN); 726 fclose($lock_fp); 727 } 728 } 729 730 /** 731 * Process queue 732 * Using lock file 733 */ 734 function process() 735 { 736 global $db, $config, $phpEx, $phpbb_root_path, $user; 737 738 $lock_fp = $this->lock(); 739 740 // avoid races, check file existence once 741 $have_cache_file = file_exists($this->cache_file); 742 if (!$have_cache_file || $config['last_queue_run'] > time() - $config['queue_interval']) 743 { 744 if (!$have_cache_file) 745 { 746 set_config('last_queue_run', time(), true); 747 } 748 749 $this->unlock($lock_fp); 750 return; 751 } 752 753 set_config('last_queue_run', time(), true); 754 755 include($this->cache_file); 756 757 foreach ($this->queue_data as $object => $data_ary) 758 { 759 @set_time_limit(0); 760 761 if (!isset($data_ary['package_size'])) 762 { 763 $data_ary['package_size'] = 0; 764 } 765 766 $package_size = $data_ary['package_size']; 767 $num_items = (!$package_size || sizeof($data_ary['data']) < $package_size) ? sizeof($data_ary['data']) : $package_size; 768 769 /* 770 * This code is commented out because it causes problems on some web hosts. 771 * The core problem is rather restrictive email sending limits. 772 * This code is nly useful if you have no such restrictions from the 773 * web host and the package size setting is wrong. 774 775 // If the amount of emails to be sent is way more than package_size than we need to increase it to prevent backlogs... 776 if (sizeof($data_ary['data']) > $package_size * 2.5) 777 { 778 $num_items = sizeof($data_ary['data']); 779 } 780 */ 781 782 switch ($object) 783 { 784 case 'email': 785 // Delete the email queued objects if mailing is disabled 786 if (!$config['email_enable']) 787 { 788 unset($this->queue_data['email']); 789 continue 2; 790 } 791 break; 792 793 case 'jabber': 794 if (!$config['jab_enable']) 795 { 796 unset($this->queue_data['jabber']); 797 continue 2; 798 } 799 800 include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx); 801 $this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl']); 802 803 if (!$this->jabber->connect()) 804 { 805 messenger::error('JABBER', $user->lang['ERR_JAB_CONNECT']); 806 continue 2; 807 } 808 809 if (!$this->jabber->login()) 810 { 811 messenger::error('JABBER', $user->lang['ERR_JAB_AUTH']); 812 continue 2; 813 } 814 815 break; 816 817 default: 818 $this->unlock($lock_fp); 819 return; 820 } 821 822 for ($i = 0; $i < $num_items; $i++) 823 { 824 // Make variables available... 825 extract(array_shift($this->queue_data[$object]['data'])); 826 827 switch ($object) 828 { 829 case 'email': 830 $err_msg = ''; 831 $to = (!$to) ? 'undisclosed-recipients:;' : $to; 832 833 if ($config['smtp_delivery']) 834 { 835 $result = smtpmail($addresses, mail_encode($subject), wordwrap(utf8_wordwrap($msg), 997, "\n", true), $err_msg, $headers); 836 } 837 else 838 { 839 $result = phpbb_mail($to, $subject, $msg, $headers, $this->eol, $err_msg); 840 } 841 842 if (!$result) 843 { 844 messenger::error('EMAIL', $err_msg); 845 continue 2; 846 } 847 break; 848 849 case 'jabber': 850 foreach ($addresses as $address) 851 { 852 if ($this->jabber->send_message($address, $msg, $subject) === false) 853 { 854 messenger::error('JABBER', $this->jabber->get_log()); 855 continue 3; 856 } 857 } 858 break; 859 } 860 } 861 862 // No more data for this object? Unset it 863 if (!sizeof($this->queue_data[$object]['data'])) 864 { 865 unset($this->queue_data[$object]); 866 } 867 868 // Post-object processing 869 switch ($object) 870 { 871 case 'jabber': 872 // Hang about a couple of secs to ensure the messages are 873 // handled, then disconnect 874 $this->jabber->disconnect(); 875 break; 876 } 877 } 878 879 if (!sizeof($this->queue_data)) 880 { 881 @unlink($this->cache_file); 882 } 883 else 884 { 885 if ($fp = @fopen($this->cache_file, 'wb')) 886 { 887 fwrite($fp, "<?php\nif (!defined('IN_PHPBB')) exit;\n\$this->queue_data = unserialize(" . var_export(serialize($this->queue_data), true) . ");\n\n?>"); 888 fclose($fp); 889 890 phpbb_chmod($this->cache_file, CHMOD_READ | CHMOD_WRITE); 891 } 892 } 893 894 $this->unlock($lock_fp); 895 } 896 897 /** 898 * Save queue 899 */ 900 function save() 901 { 902 if (!sizeof($this->data)) 903 { 904 return; 905 } 906 907 $lock_fp = $this->lock(); 908 909 if (file_exists($this->cache_file)) 910 { 911 include($this->cache_file); 912 913 foreach ($this->queue_data as $object => $data_ary) 914 { 915 if (isset($this->data[$object]) && sizeof($this->data[$object])) 916 { 917 $this->data[$object]['data'] = array_merge($data_ary['data'], $this->data[$object]['data']); 918 } 919 else 920 { 921 $this->data[$object]['data'] = $data_ary['data']; 922 } 923 } 924 } 925 926 if ($fp = @fopen($this->cache_file, 'w')) 927 { 928 fwrite($fp, "<?php\nif (!defined('IN_PHPBB')) exit;\n\$this->queue_data = unserialize(" . var_export(serialize($this->data), true) . ");\n\n?>"); 929 fclose($fp); 930 931 phpbb_chmod($this->cache_file, CHMOD_READ | CHMOD_WRITE); 932 } 933 934 $this->unlock($lock_fp); 935 } 936 } 937 938 /** 939 * Replacement or substitute for PHP's mail command 940 */ 941 function smtpmail($addresses, $subject, $message, &$err_msg, $headers = false) 942 { 943 global $config, $user; 944 945 // Fix any bare linefeeds in the message to make it RFC821 Compliant. 946 $message = preg_replace("#(?<!\r)\n#si", "\r\n", $message); 947 948 if ($headers !== false) 949 { 950 if (!is_array($headers)) 951 { 952 // Make sure there are no bare linefeeds in the headers 953 $headers = preg_replace('#(?<!\r)\n#si', "\n", $headers); 954 $headers = explode("\n", $headers); 955 } 956 957 // Ok this is rather confusing all things considered, 958 // but we have to grab bcc and cc headers and treat them differently 959 // Something we really didn't take into consideration originally 960 $headers_used = array(); 961 962 foreach ($headers as $header) 963 { 964 if (strpos(strtolower($header), 'cc:') === 0 || strpos(strtolower($header), 'bcc:') === 0) 965 { 966 continue; 967 } 968 $headers_used[] = trim($header); 969 } 970 971 $headers = chop(implode("\r\n", $headers_used)); 972 } 973 974 if (trim($subject) == '') 975 { 976 $err_msg = (isset($user->lang['NO_EMAIL_SUBJECT'])) ? $user->lang['NO_EMAIL_SUBJECT'] : 'No email subject specified'; 977 return false; 978 } 979 980 if (trim($message) == '') 981 { 982 $err_msg = (isset($user->lang['NO_EMAIL_MESSAGE'])) ? $user->lang['NO_EMAIL_MESSAGE'] : 'Email message was blank'; 983 return false; 984 } 985 986 $mail_rcpt = $mail_to = $mail_cc = array(); 987 988 // Build correct addresses for RCPT TO command and the client side display (TO, CC) 989 if (isset($addresses['to']) && sizeof($addresses['to'])) 990 { 991 foreach ($addresses['to'] as $which_ary) 992 { 993 $mail_to[] = ($which_ary['name'] != '') ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>'; 994 $mail_rcpt['to'][] = '<' . trim($which_ary['email']) . '>'; 995 } 996 } 997 998 if (isset($addresses['bcc']) && sizeof($addresses['bcc'])) 999 { 1000 foreach ($addresses['bcc'] as $which_ary) 1001 { 1002 $mail_rcpt['bcc'][] = '<' . trim($which_ary['email']) . '>'; 1003 } 1004 } 1005 1006 if (isset($addresses['cc']) && sizeof($addresses['cc'])) 1007 { 1008 foreach ($addresses['cc'] as $which_ary) 1009 { 1010 $mail_cc[] = ($which_ary['name'] != '') ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>'; 1011 $mail_rcpt['cc'][] = '<' . trim($which_ary['email']) . '>'; 1012 } 1013 } 1014 1015 $smtp = new smtp_class(); 1016 1017 $errno = 0; 1018 $errstr = ''; 1019 1020 $smtp->add_backtrace('Connecting to ' . $config['smtp_host'] . ':' . $config['smtp_port']); 1021 1022 // Ok we have error checked as much as we can to this point let's get on it already. 1023 if (!class_exists('phpbb_error_collector')) 1024 { 1025 global $phpbb_root_path, $phpEx; 1026 include($phpbb_root_path . 'includes/error_collector.' . $phpEx); 1027 } 1028 $collector = new phpbb_error_collector; 1029 $collector->install(); 1030 $smtp->socket = fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 20); 1031 $collector->uninstall(); 1032 $error_contents = $collector->format_errors(); 1033 1034 if (!$smtp->socket) 1035 { 1036 if ($errstr) 1037 { 1038 $errstr = utf8_convert_message($errstr); 1039 } 1040 1041 $err_msg = (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr"; 1042 $err_msg .= ($error_contents) ? '<br /><br />' . htmlspecialchars($error_contents) : ''; 1043 return false; 1044 } 1045 1046 // Wait for reply 1047 if ($err_msg = $smtp->server_parse('220', __LINE__)) 1048 { 1049 $smtp->close_session($err_msg); 1050 return false; 1051 } 1052 1053 // Let me in. This function handles the complete authentication process 1054 if ($err_msg = $smtp->log_into_server($config['smtp_host'], $config['smtp_username'], htmlspecialchars_decode($config['smtp_password']), $config['smtp_auth_method'])) 1055 { 1056 $smtp->close_session($err_msg); 1057 return false; 1058 } 1059 1060 // From this point onward most server response codes should be 250 1061 // Specify who the mail is from.... 1062 $smtp->server_send('MAIL FROM:<' . $config['board_email'] . '>'); 1063 if ($err_msg = $smtp->server_parse('250', __LINE__)) 1064 { 1065 $smtp->close_session($err_msg); 1066 return false; 1067 } 1068 1069 // Specify each user to send to and build to header. 1070 $to_header = implode(', ', $mail_to); 1071 $cc_header = implode(', ', $mail_cc); 1072 1073 // Now tell the MTA to send the Message to the following people... [TO, BCC, CC] 1074 $rcpt = false; 1075 foreach ($mail_rcpt as $type => $mail_to_addresses) 1076 { 1077 foreach ($mail_to_addresses as $mail_to_address) 1078 { 1079 // Add an additional bit of error checking to the To field. 1080 if (preg_match('#[^ ]+\@[^ ]+#', $mail_to_address)) 1081 { 1082 $smtp->server_send("RCPT TO:$mail_to_address"); 1083 if ($err_msg = $smtp->server_parse('250', __LINE__)) 1084 { 1085 // We continue... if users are not resolved we do not care 1086 if ($smtp->numeric_response_code != 550) 1087 { 1088 $smtp->close_session($err_msg); 1089 return false; 1090 } 1091 } 1092 else 1093 { 1094 $rcpt = true; 1095 } 1096 } 1097 } 1098 } 1099 1100 // We try to send messages even if a few people do not seem to have valid email addresses, but if no one has, we have to exit here. 1101 if (!$rcpt) 1102 { 1103 $user->session_begin(); 1104 $err_msg .= '<br /><br />'; 1105 $err_msg .= (isset($user->lang['INVALID_EMAIL_LOG'])) ? sprintf($user->lang['INVALID_EMAIL_LOG'], htmlspecialchars($mail_to_address)) : '<strong>' . htmlspecialchars($mail_to_address) . '</strong> possibly an invalid email address?'; 1106 $smtp->close_session($err_msg); 1107 return false; 1108 } 1109 1110 // Ok now we tell the server we are ready to start sending data 1111 $smtp->server_send('DATA'); 1112 1113 // This is the last response code we look for until the end of the message. 1114 if ($err_msg = $smtp->server_parse('354', __LINE__)) 1115 { 1116 $smtp->close_session($err_msg); 1117 return false; 1118 } 1119 1120 // Send the Subject Line... 1121 $smtp->server_send("Subject: $subject"); 1122 1123 // Now the To Header. 1124 $to_header = ($to_header == '') ? 'undisclosed-recipients:;' : $to_header; 1125 $smtp->server_send("To: $to_header"); 1126 1127 // Now the CC Header. 1128 if ($cc_header != '') 1129 { 1130 $smtp->server_send("CC: $cc_header"); 1131 } 1132 1133 // Now any custom headers.... 1134 if ($headers !== false) 1135 { 1136 $smtp->server_send("$headers\r\n"); 1137 } 1138 1139 // Ok now we are ready for the message... 1140 $smtp->server_send($message); 1141 1142 // Ok the all the ingredients are mixed in let's cook this puppy... 1143 $smtp->server_send('.'); 1144 if ($err_msg = $smtp->server_parse('250', __LINE__)) 1145 { 1146 $smtp->close_session($err_msg); 1147 return false; 1148 } 1149 1150 // Now tell the server we are done and close the socket... 1151 $smtp->server_send('QUIT'); 1152 $smtp->close_session($err_msg); 1153 1154 return true; 1155 } 1156 1157 /** 1158 * SMTP Class 1159 * Auth Mechanisms originally taken from the AUTH Modules found within the PHP Extension and Application Repository (PEAR) 1160 * See docs/AUTHORS for more details 1161 * @package phpBB3 1162 */ 1163 class smtp_class 1164 { 1165 var $server_response = ''; 1166 var $socket = 0; 1167 var $responses = array(); 1168 var $commands = array(); 1169 var $numeric_response_code = 0; 1170 1171 var $backtrace = false; 1172 var $backtrace_log = array(); 1173 1174 function smtp_class() 1175 { 1176 // Always create a backtrace for admins to identify SMTP problems 1177 $this->backtrace = true; 1178 $this->backtrace_log = array(); 1179 } 1180 1181 /** 1182 * Add backtrace message for debugging 1183 */ 1184 function add_backtrace($message) 1185 { 1186 if ($this->backtrace) 1187 { 1188 $this->backtrace_log[] = utf8_htmlspecialchars($message); 1189 } 1190 } 1191 1192 /** 1193 * Send command to smtp server 1194 */ 1195 function server_send($command, $private_info = false) 1196 { 1197 fputs($this->socket, $command . "\r\n"); 1198 1199 (!$private_info) ? $this->add_backtrace("# $command") : $this->add_backtrace('# Omitting sensitive information'); 1200 1201 // We could put additional code here 1202 } 1203 1204 /** 1205 * We use the line to give the support people an indication at which command the error occurred 1206 */ 1207 function server_parse($response, $line) 1208 { 1209 global $user; 1210 1211 $this->server_response = ''; 1212 $this->responses = array(); 1213 $this->numeric_response_code = 0; 1214 1215 while (substr($this->server_response, 3, 1) != ' ') 1216 { 1217 if (!($this->server_response = fgets($this->socket, 256))) 1218 { 1219 return (isset($user->lang['NO_EMAIL_RESPONSE_CODE'])) ? $user->lang['NO_EMAIL_RESPONSE_CODE'] : 'Could not get mail server response codes'; 1220 } 1221 $this->responses[] = substr(rtrim($this->server_response), 4); 1222 $this->numeric_response_code = (int) substr($this->server_response, 0, 3); 1223 1224 $this->add_backtrace("LINE: $line <- {$this->server_response}"); 1225 } 1226 1227 if (!(substr($this->server_response, 0, 3) == $response)) 1228 { 1229 $this->numeric_response_code = (int) substr($this->server_response, 0, 3); 1230 return (isset($user->lang['EMAIL_SMTP_ERROR_RESPONSE'])) ? sprintf($user->lang['EMAIL_SMTP_ERROR_RESPONSE'], $line, $this->server_response) : "Ran into problems sending Mail at <strong>Line $line</strong>. Response: $this->server_response"; 1231 } 1232 1233 return 0; 1234 } 1235 1236 /** 1237 * Close session 1238 */ 1239 function close_session(&$err_msg) 1240 { 1241 fclose($this->socket); 1242 1243 if ($this->backtrace) 1244 { 1245 $message = '<h1>Backtrace</h1><p>' . implode('<br />', $this->backtrace_log) . '</p>'; 1246 $err_msg .= $message; 1247 } 1248 } 1249 1250 /** 1251 * Log into server and get possible auth codes if neccessary 1252 */ 1253 function log_into_server($hostname, $username, $password, $default_auth_method) 1254 { 1255 global $user; 1256 1257 $err_msg = ''; 1258 1259 // Here we try to determine the *real* hostname (reverse DNS entry preferrably) 1260 $local_host = $user->host; 1261 1262 if (function_exists('php_uname')) 1263 { 1264 $local_host = php_uname('n'); 1265 1266 // Able to resolve name to IP 1267 if (($addr = @gethostbyname($local_host)) !== $local_host) 1268 { 1269 // Able to resolve IP back to name 1270 if (($name = @gethostbyaddr($addr)) !== $addr) 1271 { 1272 $local_host = $name; 1273 } 1274 } 1275 } 1276 1277 // If we are authenticating through pop-before-smtp, we 1278 // have to login ones before we get authenticated 1279 // NOTE: on some configurations the time between an update of the auth database takes so 1280 // long that the first email send does not work. This is not a biggie on a live board (only 1281 // the install mail will most likely fail) - but on a dynamic ip connection this might produce 1282 // severe problems and is not fixable! 1283 if ($default_auth_method == 'POP-BEFORE-SMTP' && $username && $password) 1284 { 1285 global $config; 1286 1287 $errno = 0; 1288 $errstr = ''; 1289 1290 $this->server_send("QUIT"); 1291 fclose($this->socket); 1292 1293 $result = $this->pop_before_smtp($hostname, $username, $password); 1294 $username = $password = $default_auth_method = ''; 1295 1296 // We need to close the previous session, else the server is not 1297 // able to get our ip for matching... 1298 if (!$this->socket = @fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 10)) 1299 { 1300 if ($errstr) 1301 { 1302 $errstr = utf8_convert_message($errstr); 1303 } 1304 1305 $err_msg = (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr"; 1306 return $err_msg; 1307 } 1308 1309 // Wait for reply 1310 if ($err_msg = $this->server_parse('220', __LINE__)) 1311 { 1312 $this->close_session($err_msg); 1313 return $err_msg; 1314 } 1315 } 1316 1317 // Try EHLO first 1318 $this->server_send("EHLO {$local_host}"); 1319 if ($err_msg = $this->server_parse('250', __LINE__)) 1320 { 1321 // a 503 response code means that we're already authenticated 1322 if ($this->numeric_response_code == 503) 1323 { 1324 return false; 1325 } 1326 1327 // If EHLO fails, we try HELO 1328 $this->server_send("HELO {$local_host}"); 1329 if ($err_msg = $this->server_parse('250', __LINE__)) 1330 { 1331 return ($this->numeric_response_code == 503) ? false : $err_msg; 1332 } 1333 } 1334 1335 foreach ($this->responses as $response) 1336 { 1337 $response = explode(' ', $response); 1338 $response_code = $response[0]; 1339 unset($response[0]); 1340 $this->commands[$response_code] = implode(' ', $response); 1341 } 1342 1343 // If we are not authenticated yet, something might be wrong if no username and passwd passed 1344 if (!$username || !$password) 1345 { 1346 return false; 1347 } 1348 1349 if (!isset($this->commands['AUTH'])) 1350 { 1351 return (isset($user->lang['SMTP_NO_AUTH_SUPPORT'])) ? $user->lang['SMTP_NO_AUTH_SUPPORT'] : 'SMTP server does not support authentication'; 1352 } 1353 1354 // Get best authentication method 1355 $available_methods = explode(' ', $this->commands['AUTH']); 1356 1357 // Define the auth ordering if the default auth method was not found 1358 $auth_methods = array('PLAIN', 'LOGIN', 'CRAM-MD5', 'DIGEST-MD5'); 1359 $method = ''; 1360 1361 if (in_array($default_auth_method, $available_methods)) 1362 { 1363 $method = $default_auth_method; 1364 } 1365 else 1366 { 1367 foreach ($auth_methods as $_method) 1368 { 1369 if (in_array($_method, $available_methods)) 1370 { 1371 $method = $_method; 1372 break; 1373 } 1374 } 1375 } 1376 1377 if (!$method) 1378 { 1379 return (isset($user->lang['NO_SUPPORTED_AUTH_METHODS'])) ? $user->lang['NO_SUPPORTED_AUTH_METHODS'] : 'No supported authentication methods'; 1380 } 1381 1382 $method = strtolower(str_replace('-', '_', $method)); 1383 return $this->$method($username, $password); 1384 } 1385 1386 /** 1387 * Pop before smtp authentication 1388 */ 1389 function pop_before_smtp($hostname, $username, $password) 1390 { 1391 global $user; 1392 1393 if (!$this->socket = @fsockopen($hostname, 110, $errno, $errstr, 10)) 1394 { 1395 if ($errstr) 1396 { 1397 $errstr = utf8_convert_message($errstr); 1398 } 1399 1400 return (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr"; 1401 } 1402 1403 $this->server_send("USER $username", true); 1404 if ($err_msg = $this->server_parse('+OK', __LINE__)) 1405 { 1406 return $err_msg; 1407 } 1408 1409 $this->server_send("PASS $password", true); 1410 if ($err_msg = $this->server_parse('+OK', __LINE__)) 1411 { 1412 return $err_msg; 1413 } 1414 1415 $this->server_send('QUIT'); 1416 fclose($this->socket); 1417 1418 return false; 1419 } 1420 1421 /** 1422 * Plain authentication method 1423 */ 1424 function plain($username, $password) 1425 { 1426 $this->server_send('AUTH PLAIN'); 1427 if ($err_msg = $this->server_parse('334', __LINE__)) 1428 { 1429 return ($this->numeric_response_code == 503) ? false : $err_msg; 1430 } 1431 1432 $base64_method_plain = base64_encode("\0" . $username . "\0" . $password); 1433 $this->server_send($base64_method_plain, true); 1434 if ($err_msg = $this->server_parse('235', __LINE__)) 1435 { 1436 return $err_msg; 1437 } 1438 1439 return false; 1440 } 1441 1442 /** 1443 * Login authentication method 1444 */ 1445 function login($username, $password) 1446 { 1447 $this->server_send('AUTH LOGIN'); 1448 if ($err_msg = $this->server_parse('334', __LINE__)) 1449 { 1450 return ($this->numeric_response_code == 503) ? false : $err_msg; 1451 } 1452 1453 $this->server_send(base64_encode($username), true); 1454 if ($err_msg = $this->server_parse('334', __LINE__)) 1455 { 1456 return $err_msg; 1457 } 1458 1459 $this->server_send(base64_encode($password), true); 1460 if ($err_msg = $this->server_parse('235', __LINE__)) 1461 { 1462 return $err_msg; 1463 } 1464 1465 return false; 1466 } 1467 1468 /** 1469 * cram_md5 authentication method 1470 */ 1471 function cram_md5($username, $password) 1472 { 1473 $this->server_send('AUTH CRAM-MD5'); 1474 if ($err_msg = $this->server_parse('334', __LINE__)) 1475 { 1476 return ($this->numeric_response_code == 503) ? false : $err_msg; 1477 } 1478 1479 $md5_challenge = base64_decode($this->responses[0]); 1480 $password = (strlen($password) > 64) ? pack('H32', md5($password)) : ((strlen($password) < 64) ? str_pad($password, 64, chr(0)) : $password); 1481 $md5_digest = md5((substr($password, 0, 64) ^ str_repeat(chr(0x5C), 64)) . (pack('H32', md5((substr($password, 0, 64) ^ str_repeat(chr(0x36), 64)) . $md5_challenge)))); 1482 1483 $base64_method_cram_md5 = base64_encode($username . ' ' . $md5_digest); 1484 1485 $this->server_send($base64_method_cram_md5, true); 1486 if ($err_msg = $this->server_parse('235', __LINE__)) 1487 { 1488 return $err_msg; 1489 } 1490 1491 return false; 1492 } 1493 1494 /** 1495 * digest_md5 authentication method 1496 * A real pain in the *** 1497 */ 1498 function digest_md5($username, $password) 1499 { 1500 global $config, $user; 1501 1502 $this->server_send('AUTH DIGEST-MD5'); 1503 if ($err_msg = $this->server_parse('334', __LINE__)) 1504 { 1505 return ($this->numeric_response_code == 503) ? false : $err_msg; 1506 } 1507 1508 $md5_challenge = base64_decode($this->responses[0]); 1509 1510 // Parse the md5 challenge - from AUTH_SASL (PEAR) 1511 $tokens = array(); 1512 while (preg_match('/^([a-z-]+)=("[^"]+(?<!\\\)"|[^,]+)/i', $md5_challenge, $matches)) 1513 { 1514 // Ignore these as per rfc2831 1515 if ($matches[1] == 'opaque' || $matches[1] == 'domain') 1516 { 1517 $md5_challenge = substr($md5_challenge, strlen($matches[0]) + 1); 1518 continue; 1519 } 1520 1521 // Allowed multiple "realm" and "auth-param" 1522 if (!empty($tokens[$matches[1]]) && ($matches[1] == 'realm' || $matches[1] == 'auth-param')) 1523 { 1524 if (is_array($tokens[$matches[1]])) 1525 { 1526 $tokens[$matches[1]][] = preg_replace('/^"(.*)"$/', '\\1', $matches[2]); 1527 } 1528 else 1529 { 1530 $tokens[$matches[1]] = array($tokens[$matches[1]], preg_replace('/^"(.*)"$/', '\\1', $matches[2])); 1531 } 1532 } 1533 else if (!empty($tokens[$matches[1]])) // Any other multiple instance = failure 1534 { 1535 $tokens = array(); 1536 break; 1537 } 1538 else 1539 { 1540 $tokens[$matches[1]] = preg_replace('/^"(.*)"$/', '\\1', $matches[2]); 1541 } 1542 1543 // Remove the just parsed directive from the challenge 1544 $md5_challenge = substr($md5_challenge, strlen($matches[0]) + 1); 1545 } 1546 1547 // Realm 1548 if (empty($tokens['realm'])) 1549 { 1550 $tokens['realm'] = (function_exists('php_uname')) ? php_uname('n') : $user->host; 1551 } 1552 1553 // Maxbuf 1554 if (empty($tokens['maxbuf'])) 1555 { 1556 $tokens['maxbuf'] = 65536; 1557 } 1558 1559 // Required: nonce, algorithm 1560 if (empty($tokens['nonce']) || empty($tokens['algorithm'])) 1561 { 1562 $tokens = array(); 1563 } 1564 $md5_challenge = $tokens; 1565 1566 if (!empty($md5_challenge)) 1567 { 1568 $str = ''; 1569 for ($i = 0; $i < 32; $i++) 1570 { 1571 $str .= chr(mt_rand(0, 255)); 1572 } 1573 $cnonce = base64_encode($str); 1574 1575 $digest_uri = 'smtp/' . $config['smtp_host']; 1576 1577 $auth_1 = sprintf('%s:%s:%s', pack('H32', md5(sprintf('%s:%s:%s', $username, $md5_challenge['realm'], $password))), $md5_challenge['nonce'], $cnonce); 1578 $auth_2 = 'AUTHENTICATE:' . $digest_uri; 1579 $response_value = md5(sprintf('%s:%s:00000001:%s:auth:%s', md5($auth_1), $md5_challenge['nonce'], $cnonce, md5($auth_2))); 1580 1581 $input_string = sprintf('username="%s",realm="%s",nonce="%s",cnonce="%s",nc="00000001",qop=auth,digest-uri="%s",response=%s,%d', $username, $md5_challenge['realm'], $md5_challenge['nonce'], $cnonce, $digest_uri, $response_value, $md5_challenge['maxbuf']); 1582 } 1583 else 1584 { 1585 return (isset($user->lang['INVALID_DIGEST_CHALLENGE'])) ? $user->lang['INVALID_DIGEST_CHALLENGE'] : 'Invalid digest challenge'; 1586 } 1587 1588 $base64_method_digest_md5 = base64_encode($input_string); 1589 $this->server_send($base64_method_digest_md5, true); 1590 if ($err_msg = $this->server_parse('334', __LINE__)) 1591 { 1592 return $err_msg; 1593 } 1594 1595 $this->server_send(' '); 1596 if ($err_msg = $this->server_parse('235', __LINE__)) 1597 { 1598 return $err_msg; 1599 } 1600 1601 return false; 1602 } 1603 } 1604 1605 /** 1606 * Encodes the given string for proper display in UTF-8. 1607 * 1608 * This version is using base64 encoded data. The downside of this 1609 * is if the mail client does not understand this encoding the user 1610 * is basically doomed with an unreadable subject. 1611 * 1612 * Please note that this version fully supports RFC 2045 section 6.8. 1613 * 1614 * @param string $eol End of line we are using (optional to be backwards compatible) 1615 */ 1616 function mail_encode($str, $eol = "\r\n") 1617 { 1618 // define start delimimter, end delimiter and spacer 1619 $start = "=?UTF-8?B?"; 1620 $end = "?="; 1621 $delimiter = "$eol "; 1622 1623 // Maximum length is 75. $split_length *must* be a multiple of 4, but <= 75 - strlen($start . $delimiter . $end)!!! 1624 $split_length = 60; 1625 $encoded_str = base64_encode($str); 1626 1627 // If encoded string meets the limits, we just return with the correct data. 1628 if (strlen($encoded_str) <= $split_length) 1629 { 1630 return $start . $encoded_str . $end; 1631 } 1632 1633 // If there is only ASCII data, we just return what we want, correctly splitting the lines. 1634 if (strlen($str) === utf8_strlen($str)) 1635 { 1636 return $start . implode($end . $delimiter . $start, str_split($encoded_str, $split_length)) . $end; 1637 } 1638 1639 // UTF-8 data, compose encoded lines 1640 $array = utf8_str_split($str); 1641 $str = ''; 1642 1643 while (sizeof($array)) 1644 { 1645 $text = ''; 1646 1647 while (sizeof($array) && intval((strlen($text . $array[0]) + 2) / 3) << 2 <= $split_length) 1648 { 1649 $text .= array_shift($array); 1650 } 1651 1652 $str .= $start . base64_encode($text) . $end . $delimiter; 1653 } 1654 1655 return substr($str, 0, -strlen($delimiter)); 1656 } 1657 1658 /** 1659 * Wrapper for sending out emails with the PHP's mail function 1660 */ 1661 function phpbb_mail($to, $subject, $msg, $headers, $eol, &$err_msg) 1662 { 1663 global $config, $phpbb_root_path, $phpEx; 1664 1665 // We use the EOL character for the OS here because the PHP mail function does not correctly transform line endings. On Windows SMTP is used (SMTP is \r\n), on UNIX a command is used... 1666 // Reference: http://bugs.php.net/bug.php?id=15841 1667 $headers = implode($eol, $headers); 1668 1669 if (!class_exists('phpbb_error_collector')) 1670 { 1671 include($phpbb_root_path . 'includes/error_collector.' . $phpEx); 1672 } 1673 1674 $collector = new phpbb_error_collector; 1675 $collector->install(); 1676 1677 // On some PHP Versions mail() *may* fail if there are newlines within the subject. 1678 // Newlines are used as a delimiter for lines in mail_encode() according to RFC 2045 section 6.8. 1679 // Because PHP can't decide what is wanted we revert back to the non-RFC-compliant way of separating by one space (Use '' as parameter to mail_encode() results in SPACE used) 1680 $result = $config['email_function_name']($to, mail_encode($subject, ''), wordwrap(utf8_wordwrap($msg), 997, "\n", true), $headers); 1681 1682 $collector->uninstall(); 1683 $err_msg = $collector->format_errors(); 1684 1685 return $result; 1686 } 1687 1688 ?>
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| Generated: Wed Oct 2 15:03:47 2013 | Cross-referenced by PHPXref 0.7.1 |