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1 <?php 2 /** 3 * A class to build and send multi part mails (with HTML content and embedded 4 * attachments). All mails are assumed to be in UTF-8 encoding. 5 * 6 * Attachments are handled in memory so this shouldn't be used to send huge 7 * files, but then again mail shouldn't be used to send huge files either. 8 * 9 * @author Andreas Gohr <andi@splitbrain.org> 10 */ 11 12 use dokuwiki\Extension\Event; 13 14 // end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?) 15 // think different 16 if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL', "\n"); 17 #define('MAILHEADER_ASCIIONLY',1); 18 19 /** 20 * Mail Handling 21 */ 22 class Mailer { 23 24 protected $headers = array(); 25 protected $attach = array(); 26 protected $html = ''; 27 protected $text = ''; 28 29 protected $boundary = ''; 30 protected $partid = ''; 31 protected $sendparam = null; 32 33 protected $allowhtml = true; 34 35 protected $replacements = array('text'=> array(), 'html' => array()); 36 37 /** 38 * Constructor 39 * 40 * Initializes the boundary strings, part counters and token replacements 41 */ 42 public function __construct() { 43 global $conf; 44 /* @var Input $INPUT */ 45 global $INPUT; 46 47 $server = parse_url(DOKU_URL, PHP_URL_HOST); 48 if(strpos($server,'.') === false) $server .= '.localhost'; 49 50 $this->partid = substr(md5(uniqid(mt_rand(), true)),0, 8).'@'.$server; 51 $this->boundary = '__________'.md5(uniqid(mt_rand(), true)); 52 53 $listid = implode('.', array_reverse(explode('/', DOKU_BASE))).$server; 54 $listid = strtolower(trim($listid, '.')); 55 $messageid = uniqid(mt_rand(), true) . "@$server"; 56 57 $this->allowhtml = (bool)$conf['htmlmail']; 58 59 // add some default headers for mailfiltering FS#2247 60 if(!empty($conf['mailreturnpath'])) { 61 $this->setHeader('Return-Path', $conf['mailreturnpath']); 62 } 63 $this->setHeader('X-Mailer', 'DokuWiki'); 64 $this->setHeader('X-DokuWiki-User', $INPUT->server->str('REMOTE_USER')); 65 $this->setHeader('X-DokuWiki-Title', $conf['title']); 66 $this->setHeader('X-DokuWiki-Server', $server); 67 $this->setHeader('X-Auto-Response-Suppress', 'OOF'); 68 $this->setHeader('List-Id', $conf['title'].' <'.$listid.'>'); 69 $this->setHeader('Date', date('r'), false); 70 $this->setHeader('Message-Id', "<$messageid>"); 71 72 $this->prepareTokenReplacements(); 73 } 74 75 /** 76 * Attach a file 77 * 78 * @param string $path Path to the file to attach 79 * @param string $mime Mimetype of the attached file 80 * @param string $name The filename to use 81 * @param string $embed Unique key to reference this file from the HTML part 82 */ 83 public function attachFile($path, $mime, $name = '', $embed = '') { 84 if(!$name) { 85 $name = \dokuwiki\Utf8\PhpString::basename($path); 86 } 87 88 $this->attach[] = array( 89 'data' => file_get_contents($path), 90 'mime' => $mime, 91 'name' => $name, 92 'embed' => $embed 93 ); 94 } 95 96 /** 97 * Attach a file 98 * 99 * @param string $data The file contents to attach 100 * @param string $mime Mimetype of the attached file 101 * @param string $name The filename to use 102 * @param string $embed Unique key to reference this file from the HTML part 103 */ 104 public function attachContent($data, $mime, $name = '', $embed = '') { 105 if(!$name) { 106 list(, $ext) = explode('/', $mime); 107 $name = count($this->attach).".$ext"; 108 } 109 110 $this->attach[] = array( 111 'data' => $data, 112 'mime' => $mime, 113 'name' => $name, 114 'embed' => $embed 115 ); 116 } 117 118 /** 119 * Callback function to automatically embed images referenced in HTML templates 120 * 121 * @param array $matches 122 * @return string placeholder 123 */ 124 protected function autoEmbedCallBack($matches) { 125 static $embeds = 0; 126 $embeds++; 127 128 // get file and mime type 129 $media = cleanID($matches[1]); 130 list(, $mime) = mimetype($media); 131 $file = mediaFN($media); 132 if(!file_exists($file)) return $matches[0]; //bad reference, keep as is 133 134 // attach it and set placeholder 135 $this->attachFile($file, $mime, '', 'autoembed'.$embeds); 136 return '%%autoembed'.$embeds.'%%'; 137 } 138 139 /** 140 * Add an arbitrary header to the mail 141 * 142 * If an empy value is passed, the header is removed 143 * 144 * @param string $header the header name (no trailing colon!) 145 * @param string|string[] $value the value of the header 146 * @param bool $clean remove all non-ASCII chars and line feeds? 147 */ 148 public function setHeader($header, $value, $clean = true) { 149 $header = str_replace(' ', '-', ucwords(strtolower(str_replace('-', ' ', $header)))); // streamline casing 150 if($clean) { 151 $header = preg_replace('/[^a-zA-Z0-9_ \-\.\+\@]+/', '', $header); 152 $value = preg_replace('/[^a-zA-Z0-9_ \-\.\+\@<>]+/', '', $value); 153 } 154 155 // empty value deletes 156 if(is_array($value)){ 157 $value = array_map('trim', $value); 158 $value = array_filter($value); 159 if(!$value) $value = ''; 160 }else{ 161 $value = trim($value); 162 } 163 if($value === '') { 164 if(isset($this->headers[$header])) unset($this->headers[$header]); 165 } else { 166 $this->headers[$header] = $value; 167 } 168 } 169 170 /** 171 * Set additional parameters to be passed to sendmail 172 * 173 * Whatever is set here is directly passed to PHP's mail() command as last 174 * parameter. Depending on the PHP setup this might break mailing alltogether 175 * 176 * @param string $param 177 */ 178 public function setParameters($param) { 179 $this->sendparam = $param; 180 } 181 182 /** 183 * Set the text and HTML body and apply replacements 184 * 185 * This function applies a whole bunch of default replacements in addition 186 * to the ones specified as parameters 187 * 188 * If you pass the HTML part or HTML replacements yourself you have to make 189 * sure you encode all HTML special chars correctly 190 * 191 * @param string $text plain text body 192 * @param array $textrep replacements to apply on the text part 193 * @param array $htmlrep replacements to apply on the HTML part, null to use $textrep (urls wrapped in <a> tags) 194 * @param string $html the HTML body, leave null to create it from $text 195 * @param bool $wrap wrap the HTML in the default header/Footer 196 */ 197 public function setBody($text, $textrep = null, $htmlrep = null, $html = null, $wrap = true) { 198 199 $htmlrep = (array)$htmlrep; 200 $textrep = (array)$textrep; 201 202 // create HTML from text if not given 203 if($html === null) { 204 $html = $text; 205 $html = hsc($html); 206 $html = preg_replace('/^----+$/m', '<hr >', $html); 207 $html = nl2br($html); 208 } 209 if($wrap) { 210 $wrapper = rawLocale('mailwrap', 'html'); 211 $html = preg_replace('/\n-- <br \/>.*$/s', '', $html); //strip signature 212 $html = str_replace('@EMAILSIGNATURE@', '', $html); //strip @EMAILSIGNATURE@ 213 $html = str_replace('@HTMLBODY@', $html, $wrapper); 214 } 215 216 if(strpos($text, '@EMAILSIGNATURE@') === false) { 217 $text .= '@EMAILSIGNATURE@'; 218 } 219 220 // copy over all replacements missing for HTML (autolink URLs) 221 foreach($textrep as $key => $value) { 222 if(isset($htmlrep[$key])) continue; 223 if(media_isexternal($value)) { 224 $htmlrep[$key] = '<a href="'.hsc($value).'">'.hsc($value).'</a>'; 225 } else { 226 $htmlrep[$key] = hsc($value); 227 } 228 } 229 230 // embed media from templates 231 $html = preg_replace_callback( 232 '/@MEDIA\(([^\)]+)\)@/', 233 array($this, 'autoEmbedCallBack'), $html 234 ); 235 236 // add default token replacements 237 $trep = array_merge($this->replacements['text'], (array)$textrep); 238 $hrep = array_merge($this->replacements['html'], (array)$htmlrep); 239 240 // Apply replacements 241 foreach($trep as $key => $substitution) { 242 $text = str_replace('@'.strtoupper($key).'@', $substitution, $text); 243 } 244 foreach($hrep as $key => $substitution) { 245 $html = str_replace('@'.strtoupper($key).'@', $substitution, $html); 246 } 247 248 $this->setHTML($html); 249 $this->setText($text); 250 } 251 252 /** 253 * Set the HTML part of the mail 254 * 255 * Placeholders can be used to reference embedded attachments 256 * 257 * You probably want to use setBody() instead 258 * 259 * @param string $html 260 */ 261 public function setHTML($html) { 262 $this->html = $html; 263 } 264 265 /** 266 * Set the plain text part of the mail 267 * 268 * You probably want to use setBody() instead 269 * 270 * @param string $text 271 */ 272 public function setText($text) { 273 $this->text = $text; 274 } 275 276 /** 277 * Add the To: recipients 278 * 279 * @see cleanAddress 280 * @param string|string[] $address Multiple adresses separated by commas or as array 281 */ 282 public function to($address) { 283 $this->setHeader('To', $address, false); 284 } 285 286 /** 287 * Add the Cc: recipients 288 * 289 * @see cleanAddress 290 * @param string|string[] $address Multiple adresses separated by commas or as array 291 */ 292 public function cc($address) { 293 $this->setHeader('Cc', $address, false); 294 } 295 296 /** 297 * Add the Bcc: recipients 298 * 299 * @see cleanAddress 300 * @param string|string[] $address Multiple adresses separated by commas or as array 301 */ 302 public function bcc($address) { 303 $this->setHeader('Bcc', $address, false); 304 } 305 306 /** 307 * Add the From: address 308 * 309 * This is set to $conf['mailfrom'] when not specified so you shouldn't need 310 * to call this function 311 * 312 * @see cleanAddress 313 * @param string $address from address 314 */ 315 public function from($address) { 316 $this->setHeader('From', $address, false); 317 } 318 319 /** 320 * Add the mail's Subject: header 321 * 322 * @param string $subject the mail subject 323 */ 324 public function subject($subject) { 325 $this->headers['Subject'] = $subject; 326 } 327 328 /** 329 * Return a clean name which can be safely used in mail address 330 * fields. That means the name will be enclosed in '"' if it includes 331 * a '"' or a ','. Also a '"' will be escaped as '\"'. 332 * 333 * @param string $name the name to clean-up 334 * @see cleanAddress 335 */ 336 public function getCleanName($name) { 337 $name = trim($name, ' \t"'); 338 $name = str_replace('"', '\"', $name, $count); 339 if ($count > 0 || strpos($name, ',') !== false) { 340 $name = '"'.$name.'"'; 341 } 342 return $name; 343 } 344 345 /** 346 * Sets an email address header with correct encoding 347 * 348 * Unicode characters will be deaccented and encoded base64 349 * for headers. Addresses may not contain Non-ASCII data! 350 * 351 * If @$addresses is a string then it will be split into multiple 352 * addresses. Addresses must be separated by a comma. If the display 353 * name includes a comma then it MUST be properly enclosed by '"' to 354 * prevent spliting at the wrong point. 355 * 356 * Example: 357 * cc("föö <foo@bar.com>, me@somewhere.com","TBcc"); 358 * to("foo, Dr." <foo@bar.com>, me@somewhere.com"); 359 * 360 * @param string|string[] $addresses Multiple adresses separated by commas or as array 361 * @return false|string the prepared header (can contain multiple lines) 362 */ 363 public function cleanAddress($addresses) { 364 $headers = ''; 365 if(!is_array($addresses)){ 366 $count = preg_match_all('/\s*(?:("[^"]*"[^,]+),*)|([^,]+)\s*,*/', $addresses, $matches, PREG_SET_ORDER); 367 $addresses = array(); 368 if ($count !== false && is_array($matches)) { 369 foreach ($matches as $match) { 370 array_push($addresses, rtrim($match[0], ',')); 371 } 372 } 373 } 374 375 foreach($addresses as $part) { 376 $part = preg_replace('/[\r\n\0]+/', ' ', $part); // remove attack vectors 377 $part = trim($part); 378 379 // parse address 380 if(preg_match('#(.*?)<(.*?)>#', $part, $matches)) { 381 $text = trim($matches[1]); 382 $addr = $matches[2]; 383 } else { 384 $text = ''; 385 $addr = $part; 386 } 387 // skip empty ones 388 if(empty($addr)) { 389 continue; 390 } 391 392 // FIXME: is there a way to encode the localpart of a emailaddress? 393 if(!\dokuwiki\Utf8\Clean::isASCII($addr)) { 394 msg(hsc("E-Mail address <$addr> is not ASCII"), -1, __LINE__, __FILE__, MSG_ADMINS_ONLY); 395 continue; 396 } 397 398 if(!mail_isvalid($addr)) { 399 msg(hsc("E-Mail address <$addr> is not valid"), -1, __LINE__, __FILE__, MSG_ADMINS_ONLY); 400 continue; 401 } 402 403 // text was given 404 if(!empty($text) && !isWindows()) { // No named recipients for To: in Windows (see FS#652) 405 // add address quotes 406 $addr = "<$addr>"; 407 408 if(defined('MAILHEADER_ASCIIONLY')) { 409 $text = \dokuwiki\Utf8\Clean::deaccent($text); 410 $text = \dokuwiki\Utf8\Clean::strip($text); 411 } 412 413 if(strpos($text, ',') !== false || !\dokuwiki\Utf8\Clean::isASCII($text)) { 414 $text = '=?UTF-8?B?'.base64_encode($text).'?='; 415 } 416 } else { 417 $text = ''; 418 } 419 420 // add to header comma seperated 421 if($headers != '') { 422 $headers .= ', '; 423 } 424 $headers .= $text.' '.$addr; 425 } 426 427 $headers = trim($headers); 428 if(empty($headers)) return false; 429 430 return $headers; 431 } 432 433 434 /** 435 * Prepare the mime multiparts for all attachments 436 * 437 * Replaces placeholders in the HTML with the correct CIDs 438 * 439 * @return string mime multiparts 440 */ 441 protected function prepareAttachments() { 442 $mime = ''; 443 $part = 1; 444 // embedded attachments 445 foreach($this->attach as $media) { 446 $media['name'] = str_replace(':', '_', cleanID($media['name'], true)); 447 448 // create content id 449 $cid = 'part'.$part.'.'.$this->partid; 450 451 // replace wildcards 452 if($media['embed']) { 453 $this->html = str_replace('%%'.$media['embed'].'%%', 'cid:'.$cid, $this->html); 454 } 455 456 $mime .= '--'.$this->boundary.MAILHEADER_EOL; 457 $mime .= $this->wrappedHeaderLine('Content-Type', $media['mime'].'; id="'.$cid.'"'); 458 $mime .= $this->wrappedHeaderLine('Content-Transfer-Encoding', 'base64'); 459 $mime .= $this->wrappedHeaderLine('Content-ID',"<$cid>"); 460 if($media['embed']) { 461 $mime .= $this->wrappedHeaderLine('Content-Disposition', 'inline; filename='.$media['name']); 462 } else { 463 $mime .= $this->wrappedHeaderLine('Content-Disposition', 'attachment; filename='.$media['name']); 464 } 465 $mime .= MAILHEADER_EOL; //end of headers 466 $mime .= chunk_split(base64_encode($media['data']), 74, MAILHEADER_EOL); 467 468 $part++; 469 } 470 return $mime; 471 } 472 473 /** 474 * Build the body and handles multi part mails 475 * 476 * Needs to be called before prepareHeaders! 477 * 478 * @return string the prepared mail body, false on errors 479 */ 480 protected function prepareBody() { 481 482 // no HTML mails allowed? remove HTML body 483 if(!$this->allowhtml) { 484 $this->html = ''; 485 } 486 487 // check for body 488 if(!$this->text && !$this->html) { 489 return false; 490 } 491 492 // add general headers 493 $this->headers['MIME-Version'] = '1.0'; 494 495 $body = ''; 496 497 if(!$this->html && !count($this->attach)) { // we can send a simple single part message 498 $this->headers['Content-Type'] = 'text/plain; charset=UTF-8'; 499 $this->headers['Content-Transfer-Encoding'] = 'base64'; 500 $body .= chunk_split(base64_encode($this->text), 72, MAILHEADER_EOL); 501 } else { // multi part it is 502 $body .= "This is a multi-part message in MIME format.".MAILHEADER_EOL; 503 504 // prepare the attachments 505 $attachments = $this->prepareAttachments(); 506 507 // do we have alternative text content? 508 if($this->text && $this->html) { 509 $this->headers['Content-Type'] = 'multipart/alternative;'.MAILHEADER_EOL. 510 ' boundary="'.$this->boundary.'XX"'; 511 $body .= '--'.$this->boundary.'XX'.MAILHEADER_EOL; 512 $body .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL; 513 $body .= 'Content-Transfer-Encoding: base64'.MAILHEADER_EOL; 514 $body .= MAILHEADER_EOL; 515 $body .= chunk_split(base64_encode($this->text), 72, MAILHEADER_EOL); 516 $body .= '--'.$this->boundary.'XX'.MAILHEADER_EOL; 517 $body .= 'Content-Type: multipart/related;'.MAILHEADER_EOL. 518 ' boundary="'.$this->boundary.'";'.MAILHEADER_EOL. 519 ' type="text/html"'.MAILHEADER_EOL; 520 $body .= MAILHEADER_EOL; 521 } 522 523 $body .= '--'.$this->boundary.MAILHEADER_EOL; 524 $body .= 'Content-Type: text/html; charset=UTF-8'.MAILHEADER_EOL; 525 $body .= 'Content-Transfer-Encoding: base64'.MAILHEADER_EOL; 526 $body .= MAILHEADER_EOL; 527 $body .= chunk_split(base64_encode($this->html), 72, MAILHEADER_EOL); 528 $body .= MAILHEADER_EOL; 529 $body .= $attachments; 530 $body .= '--'.$this->boundary.'--'.MAILHEADER_EOL; 531 532 // close open multipart/alternative boundary 533 if($this->text && $this->html) { 534 $body .= '--'.$this->boundary.'XX--'.MAILHEADER_EOL; 535 } 536 } 537 538 return $body; 539 } 540 541 /** 542 * Cleanup and encode the headers array 543 */ 544 protected function cleanHeaders() { 545 global $conf; 546 547 // clean up addresses 548 if(empty($this->headers['From'])) $this->from($conf['mailfrom']); 549 $addrs = array('To', 'From', 'Cc', 'Bcc', 'Reply-To', 'Sender'); 550 foreach($addrs as $addr) { 551 if(isset($this->headers[$addr])) { 552 $this->headers[$addr] = $this->cleanAddress($this->headers[$addr]); 553 } 554 } 555 556 if(isset($this->headers['Subject'])) { 557 // add prefix to subject 558 if(empty($conf['mailprefix'])) { 559 if(\dokuwiki\Utf8\PhpString::strlen($conf['title']) < 20) { 560 $prefix = '['.$conf['title'].']'; 561 } else { 562 $prefix = '['.\dokuwiki\Utf8\PhpString::substr($conf['title'], 0, 20).'...]'; 563 } 564 } else { 565 $prefix = '['.$conf['mailprefix'].']'; 566 } 567 $len = strlen($prefix); 568 if(substr($this->headers['Subject'], 0, $len) != $prefix) { 569 $this->headers['Subject'] = $prefix.' '.$this->headers['Subject']; 570 } 571 572 // encode subject 573 if(defined('MAILHEADER_ASCIIONLY')) { 574 $this->headers['Subject'] = \dokuwiki\Utf8\Clean::deaccent($this->headers['Subject']); 575 $this->headers['Subject'] = \dokuwiki\Utf8\Clean::strip($this->headers['Subject']); 576 } 577 if(!\dokuwiki\Utf8\Clean::isASCII($this->headers['Subject'])) { 578 $this->headers['Subject'] = '=?UTF-8?B?'.base64_encode($this->headers['Subject']).'?='; 579 } 580 } 581 582 } 583 584 /** 585 * Returns a complete, EOL terminated header line, wraps it if necessary 586 * 587 * @param string $key 588 * @param string $val 589 * @return string line 590 */ 591 protected function wrappedHeaderLine($key, $val){ 592 return wordwrap("$key: $val", 78, MAILHEADER_EOL.' ').MAILHEADER_EOL; 593 } 594 595 /** 596 * Create a string from the headers array 597 * 598 * @returns string the headers 599 */ 600 protected function prepareHeaders() { 601 $headers = ''; 602 foreach($this->headers as $key => $val) { 603 if ($val === '' || $val === null) continue; 604 $headers .= $this->wrappedHeaderLine($key, $val); 605 } 606 return $headers; 607 } 608 609 /** 610 * return a full email with all headers 611 * 612 * This is mainly intended for debugging and testing but could also be 613 * used for MHT exports 614 * 615 * @return string the mail, false on errors 616 */ 617 public function dump() { 618 $this->cleanHeaders(); 619 $body = $this->prepareBody(); 620 if($body === false) return false; 621 $headers = $this->prepareHeaders(); 622 623 return $headers.MAILHEADER_EOL.$body; 624 } 625 626 /** 627 * Prepare default token replacement strings 628 * 629 * Populates the '$replacements' property. 630 * Should be called by the class constructor 631 */ 632 protected function prepareTokenReplacements() { 633 global $INFO; 634 global $conf; 635 /* @var Input $INPUT */ 636 global $INPUT; 637 global $lang; 638 639 $ip = clientIP(); 640 $cip = gethostsbyaddrs($ip); 641 $name = $INFO['userinfo']['name'] ?? ''; 642 $mail = $INFO['userinfo']['mail'] ?? ''; 643 644 $this->replacements['text'] = array( 645 'DATE' => dformat(), 646 'BROWSER' => $INPUT->server->str('HTTP_USER_AGENT'), 647 'IPADDRESS' => $ip, 648 'HOSTNAME' => $cip, 649 'TITLE' => $conf['title'], 650 'DOKUWIKIURL' => DOKU_URL, 651 'USER' => $INPUT->server->str('REMOTE_USER'), 652 'NAME' => $name, 653 'MAIL' => $mail 654 ); 655 $signature = str_replace( 656 '@DOKUWIKIURL@', 657 $this->replacements['text']['DOKUWIKIURL'], 658 $lang['email_signature_text'] 659 ); 660 $this->replacements['text']['EMAILSIGNATURE'] = "\n-- \n" . $signature . "\n"; 661 662 $this->replacements['html'] = array( 663 'DATE' => '<i>' . hsc(dformat()) . '</i>', 664 'BROWSER' => hsc($INPUT->server->str('HTTP_USER_AGENT')), 665 'IPADDRESS' => '<code>' . hsc($ip) . '</code>', 666 'HOSTNAME' => '<code>' . hsc($cip) . '</code>', 667 'TITLE' => hsc($conf['title']), 668 'DOKUWIKIURL' => '<a href="' . DOKU_URL . '">' . DOKU_URL . '</a>', 669 'USER' => hsc($INPUT->server->str('REMOTE_USER')), 670 'NAME' => hsc($name), 671 'MAIL' => '<a href="mailto:"' . hsc($mail) . '">' . 672 hsc($mail) . '</a>' 673 ); 674 $signature = $lang['email_signature_text']; 675 if(!empty($lang['email_signature_html'])) { 676 $signature = $lang['email_signature_html']; 677 } 678 $signature = str_replace( 679 array( 680 '@DOKUWIKIURL@', 681 "\n" 682 ), 683 array( 684 $this->replacements['html']['DOKUWIKIURL'], 685 '<br />' 686 ), 687 $signature 688 ); 689 $this->replacements['html']['EMAILSIGNATURE'] = $signature; 690 } 691 692 /** 693 * Send the mail 694 * 695 * Call this after all data was set 696 * 697 * @triggers MAIL_MESSAGE_SEND 698 * @return bool true if the mail was successfully passed to the MTA 699 */ 700 public function send() { 701 global $lang; 702 $success = false; 703 704 // prepare hook data 705 $data = array( 706 // pass the whole mail class to plugin 707 'mail' => $this, 708 // pass references for backward compatibility 709 'to' => &$this->headers['To'], 710 'cc' => &$this->headers['Cc'], 711 'bcc' => &$this->headers['Bcc'], 712 'from' => &$this->headers['From'], 713 'subject' => &$this->headers['Subject'], 714 'body' => &$this->text, 715 'params' => &$this->sendparam, 716 'headers' => '', // plugins shouldn't use this 717 // signal if we mailed successfully to AFTER event 718 'success' => &$success, 719 ); 720 721 // do our thing if BEFORE hook approves 722 $evt = new Event('MAIL_MESSAGE_SEND', $data); 723 if($evt->advise_before(true)) { 724 // clean up before using the headers 725 $this->cleanHeaders(); 726 727 // any recipients? 728 if(trim($this->headers['To']) === '' && 729 trim($this->headers['Cc']) === '' && 730 trim($this->headers['Bcc']) === '' 731 ) return false; 732 733 // The To: header is special 734 if(array_key_exists('To', $this->headers)) { 735 $to = (string)$this->headers['To']; 736 unset($this->headers['To']); 737 } else { 738 $to = ''; 739 } 740 741 // so is the subject 742 if(array_key_exists('Subject', $this->headers)) { 743 $subject = (string)$this->headers['Subject']; 744 unset($this->headers['Subject']); 745 } else { 746 $subject = ''; 747 } 748 749 // make the body 750 $body = $this->prepareBody(); 751 if($body === false) return false; 752 753 // cook the headers 754 $headers = $this->prepareHeaders(); 755 // add any headers set by legacy plugins 756 if(trim($data['headers'])) { 757 $headers .= MAILHEADER_EOL.trim($data['headers']); 758 } 759 760 if(!function_exists('mail')){ 761 $emsg = $lang['email_fail'] . $subject; 762 error_log($emsg); 763 msg(hsc($emsg), -1, __LINE__, __FILE__, MSG_MANAGERS_ONLY); 764 $evt->advise_after(); 765 return false; 766 } 767 768 // send the thing 769 if($this->sendparam === null) { 770 $success = @mail($to, $subject, $body, $headers); 771 } else { 772 $success = @mail($to, $subject, $body, $headers, $this->sendparam); 773 } 774 } 775 // any AFTER actions? 776 $evt->advise_after(); 777 return $success; 778 } 779 }
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