← All changes | back/Libraries/Mailer/Mailer.php +0 -5270 11.0.1 → 11.1.1 View file →

		@@ -1,5270 +1,0 @@
1		-<?php
2		-
3		-/**
4		- * Customized version of PHPMailer by Acyba
5		- * PHPMailer - PHP email creation and transport class.
6		- * PHP Version 5.5.
7		- *
8		- * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
9		- *
10		- * @author Marcus Bointon (Synchro/coolbru) <[email protected]>
11		- * @author Jim Jagielski (jimjag) <[email protected]>
12		- * @author Andy Prevost (codeworxtech) <[email protected]>
13		- * @author Brent R. Matzelle (original founder)
14		- * @copyright 2012 - 2020 Marcus Bointon
15		- * @copyright 2010 - 2012 Jim Jagielski
16		- * @copyright 2004 - 2009 Andy Prevost
17		- * @license https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html GNU Lesser General Public License
18		- * @note This program is distributed in the hope that it will be useful - WITHOUT
19		- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
20		- * FITNESS FOR A PARTICULAR PURPOSE.
21		- */
22		-
23		-namespace AcyMailerPhp;
24		-
25		-acym_cmsLoaded();
26		-
27		-/**
28		- * PHPMailer - PHP email creation and transport class.
29		- *
30		- * @author Marcus Bointon (Synchro/coolbru) <[email protected]>
31		- * @author Jim Jagielski (jimjag) <[email protected]>
32		- * @author Andy Prevost (codeworxtech) <[email protected]>
33		- * @author Brent R. Matzelle (original founder)
34		- */
35		-class Mailer
36		-{
37		- const CHARSET_ASCII = 'us-ascii';
38		- const CHARSET_ISO88591 = 'iso-8859-1';
39		- const CHARSET_UTF8 = 'utf-8';
40		-
41		- const CONTENT_TYPE_PLAINTEXT = 'text/plain';
42		- const CONTENT_TYPE_TEXT_CALENDAR = 'text/calendar';
43		- const CONTENT_TYPE_TEXT_HTML = 'text/html';
44		- const CONTENT_TYPE_MULTIPART_ALTERNATIVE = 'multipart/alternative';
45		- const CONTENT_TYPE_MULTIPART_MIXED = 'multipart/mixed';
46		- const CONTENT_TYPE_MULTIPART_RELATED = 'multipart/related';
47		-
48		- const ENCODING_7BIT = '7bit';
49		- const ENCODING_8BIT = '8bit';
50		- const ENCODING_BASE64 = 'base64';
51		- const ENCODING_BINARY = 'binary';
52		- const ENCODING_QUOTED_PRINTABLE = 'quoted-printable';
53		-
54		- const ENCRYPTION_STARTTLS = 'tls';
55		- const ENCRYPTION_SMTPS = 'ssl';
56		-
57		- const ICAL_METHOD_REQUEST = 'REQUEST';
58		- const ICAL_METHOD_PUBLISH = 'PUBLISH';
59		- const ICAL_METHOD_REPLY = 'REPLY';
60		- const ICAL_METHOD_ADD = 'ADD';
61		- const ICAL_METHOD_CANCEL = 'CANCEL';
62		- const ICAL_METHOD_REFRESH = 'REFRESH';
63		- const ICAL_METHOD_COUNTER = 'COUNTER';
64		- const ICAL_METHOD_DECLINECOUNTER = 'DECLINECOUNTER';
65		-
66		- /**
67		- * Email priority.
68		- * Options: null (default), 1 = High, 3 = Normal, 5 = low.
69		- * When null, the header is not set at all.
70		- *
71		- * @var int|null
72		- */
73		- public $Priority;
74		-
75		- /**
76		- * The character set of the message.
77		- *
78		- * @var string
79		- */
80		- public $CharSet = self::CHARSET_ISO88591;
81		-
82		- /**
83		- * The MIME Content-type of the message.
84		- *
85		- * @var string
86		- */
87		- public $ContentType = self::CONTENT_TYPE_PLAINTEXT;
88		-
89		- /**
90		- * The message encoding.
91		- * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
92		- *
93		- * @var string
94		- */
95		- public $Encoding = self::ENCODING_8BIT;
96		-
97		- /**
98		- * Holds the most recent mailer error message.
99		- *
100		- * @var string
101		- */
102		- public $ErrorInfo = '';
103		-
104		- /**
105		- * The From email address for the message.
106		- *
107		- * @var string
108		- */
109		- public $From = '';
110		-
111		- /**
112		- * The From name of the message.
113		- *
114		- * @var string
115		- */
116		- public $FromName = '';
117		-
118		- /**
119		- * The envelope sender of the message.
120		- * This will usually be turned into a Return-Path header by the receiver,
121		- * and is the address that bounces will be sent to.
122		- * If not empty, will be passed via `-f` to sendmail or as the 'MAIL FROM' value over SMTP.
123		- *
124		- * @var string
125		- */
126		- public $Sender = '';
127		-
128		- /**
129		- * The Subject of the message.
130		- *
131		- * @var string
132		- */
133		- public $Subject = '';
134		-
135		- /**
136		- * An HTML or plain text message body.
137		- * If HTML then call isHTML(true).
138		- *
139		- * @var string
140		- */
141		- public $Body = '';
142		-
143		- /**
144		- * The plain-text message body.
145		- * This body can be read by mail clients that do not have HTML email
146		- * capability such as mutt & Eudora.
147		- * Clients that can read HTML will view the normal Body.
148		- *
149		- * @var string
150		- */
151		- public $AltBody = '';
152		-
153		- /**
154		- * An iCal message part body.
155		- * Only supported in simple alt or alt_inline message types
156		- * To generate iCal event structures, use classes like EasyPeasyICS or iCalcreator.
157		- *
158		- * @see https://kigkonsult.se/iCalcreator/
159		- *
160		- * @var string
161		- */
162		- public $Ical = '';
163		-
164		- /**
165		- * Value-array of "method" in Contenttype header "text/calendar"
166		- *
167		- * @var string[]
168		- */
169		- protected static $IcalMethods = [
170		- self::ICAL_METHOD_REQUEST,
171		- self::ICAL_METHOD_PUBLISH,
172		- self::ICAL_METHOD_REPLY,
173		- self::ICAL_METHOD_ADD,
174		- self::ICAL_METHOD_CANCEL,
175		- self::ICAL_METHOD_REFRESH,
176		- self::ICAL_METHOD_COUNTER,
177		- self::ICAL_METHOD_DECLINECOUNTER,
178		- ];
179		-
180		- /**
181		- * The complete compiled MIME message body.
182		- *
183		- * @var string
184		- */
185		- protected $MIMEBody = '';
186		-
187		- /**
188		- * The complete compiled MIME message headers.
189		- *
190		- * @var string
191		- */
192		- protected $MIMEHeader = '';
193		-
194		- /**
195		- * Extra headers that createHeader() doesn't fold in.
196		- *
197		- * @var string
198		- */
199		- protected $mailHeader = '';
200		-
201		- /**
202		- * Word-wrap the message body to this number of chars.
203		- * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
204		- *
205		- * @see static::STD_LINE_LENGTH
206		- *
207		- * @var int
208		- */
209		- public $WordWrap = 0;
210		-
211		- /**
212		- * Which method to use to send mail.
213		- * Options: "mail", "sendmail", or "smtp".
214		- *
215		- * @var string
216		- */
217		- public $Mailer = 'mail';
218		-
219		- /**
220		- * The path to the sendmail program.
221		- *
222		- * @var string
223		- */
224		- public $Sendmail = '/usr/sbin/sendmail';
225		-
226		- /**
227		- * Whether mail() uses a fully sendmail-compatible MTA.
228		- * One which supports sendmail's "-oi -f" options.
229		- *
230		- * @var bool
231		- */
232		- public $UseSendmailOptions = true;
233		-
234		- /**
235		- * The email address that a reading confirmation should be sent to, also known as read receipt.
236		- *
237		- * @var string
238		- */
239		- public $ConfirmReadingTo = '';
240		-
241		- /**
242		- * The hostname to use in the Message-ID header and as default HELO string.
243		- * If empty, PHPMailer attempts to find one with, in order,
244		- * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
245		- * 'localhost.localdomain'.
246		- *
247		- * @see PHPMailer::$Helo
248		- *
249		- * @var string
250		- */
251		- public $Hostname = '';
252		-
253		- /**
254		- * An ID to be used in the Message-ID header.
255		- * If empty, a unique id will be generated.
256		- * You can set your own, but it must be in the format "<id@domain>",
257		- * as defined in RFC5322 section 3.6.4 or it will be ignored.
258		- *
259		- * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
260		- *
261		- * @var string
262		- */
263		- public $MessageID = '';
264		-
265		- /**
266		- * The message Date to be used in the Date header.
267		- * If empty, the current date will be added.
268		- *
269		- * @var string
270		- */
271		- public $MessageDate = '';
272		-
273		- /**
274		- * SMTP hosts.
275		- * Either a single hostname or multiple semicolon-delimited hostnames.
276		- * You can also specify a different port
277		- * for each host by using this format: [hostname:port]
278		- * (e.g. "smtp1.example.com:25;smtp2.example.com").
279		- * You can also specify encryption type, for example:
280		- * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
281		- * Hosts will be tried in order.
282		- *
283		- * @var string
284		- */
285		- public $Host = 'localhost';
286		-
287		- /**
288		- * The default SMTP server port.
289		- *
290		- * @var int
291		- */
292		- public $Port = 25;
293		-
294		- /**
295		- * The SMTP HELO/EHLO name used for the SMTP connection.
296		- * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
297		- * one with the same method described above for $Hostname.
298		- *
299		- * @see PHPMailer::$Hostname
300		- *
301		- * @var string
302		- */
303		- public $Helo = '';
304		-
305		- /**
306		- * What kind of encryption to use on the SMTP connection.
307		- * Options: '', static::ENCRYPTION_STARTTLS, or static::ENCRYPTION_SMTPS.
308		- *
309		- * @var string
310		- */
311		- public $SMTPSecure = '';
312		-
313		- /**
314		- * Whether to enable TLS encryption automatically if a server supports it,
315		- * even if `SMTPSecure` is not set to 'tls'.
316		- * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
317		- *
318		- * @var bool
319		- */
320		- public $SMTPAutoTLS = true;
321		-
322		- /**
323		- * Whether to use SMTP authentication.
324		- * Uses the Username and Password properties.
325		- *
326		- * @see PHPMailer::$Username
327		- * @see PHPMailer::$Password
328		- *
329		- * @var bool
330		- */
331		- public $SMTPAuth = false;
332		-
333		- /**
334		- * Options array passed to stream_context_create when connecting via SMTP.
335		- *
336		- * @var array
337		- */
338		- public $SMTPOptions = [];
339		-
340		- /**
341		- * SMTP username.
342		- *
343		- * @var string
344		- */
345		- public $Username = '';
346		-
347		- /**
348		- * SMTP password.
349		- *
350		- * @var string
351		- */
352		- public $Password = '';
353		-
354		- /**
355		- * SMTP authentication type. Options are CRAM-MD5, LOGIN, PLAIN, XOAUTH2.
356		- * If not specified, the first one from that list that the server supports will be selected.
357		- *
358		- * @var string
359		- */
360		- public $AuthType = '';
361		-
362		- /**
363		- * SMTP SMTPXClient command attibutes
364		- *
365		- * @var array
366		- */
367		- protected $SMTPXClient = [];
368		-
369		- /**
370		- * An implementation of the PHPMailer OAuthTokenProvider interface.
371		- *
372		- * @var OAuthTokenProvider
373		- */
374		- protected $oauth;
375		-
376		- /**
377		- * The SMTP server timeout in seconds.
378		- * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2.
379		- *
380		- * @var int
381		- */
382		- public $Timeout = 300;
383		-
384		- /**
385		- * Comma separated list of DSN notifications
386		- * 'NEVER' under no circumstances a DSN must be returned to the sender.
387		- * If you use NEVER all other notifications will be ignored.
388		- * 'SUCCESS' will notify you when your mail has arrived at its destination.
389		- * 'FAILURE' will arrive if an error occurred during delivery.
390		- * 'DELAY' will notify you if there is an unusual delay in delivery, but the actual
391		- * delivery's outcome (success or failure) is not yet decided.
392		- *
393		- * @see https://tools.ietf.org/html/rfc3461 See section 4.1 for more information about NOTIFY
394		- */
395		- public $dsn = '';
396		-
397		- /**
398		- * SMTP class debug output mode.
399		- * Debug output level.
400		- * Options:
401		- * @see SMTP::DEBUG_OFF: No output
402		- * @see SMTP::DEBUG_CLIENT: Client messages
403		- * @see SMTP::DEBUG_SERVER: Client and server messages
404		- * @see SMTP::DEBUG_CONNECTION: As SERVER plus connection status
405		- * @see SMTP::DEBUG_LOWLEVEL: Noisy, low-level data output, rarely needed
406		- *
407		- * @see SMTP::$do_debug
408		- *
409		- * @var int
410		- */
411		- public $SMTPDebug = 0;
412		-
413		- /**
414		- * How to handle debug output.
415		- * Options:
416		- * * `echo` Output plain-text as-is, appropriate for CLI
417		- * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
418		- * * `error_log` Output to error log as configured in php.ini
419		- * By default PHPMailer will use `echo` if run from a `cli` or `cli-server` SAPI, `html` otherwise.
420		- * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
421		- *
422		- * ```php
423		- * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
424		- * ```
425		- *
426		- * Alternatively, you can pass in an instance of a PSR-3 compatible logger, though only `debug`
427		- * level output is used:
428		- *
429		- * ```php
430		- * $mail->Debugoutput = new myPsr3Logger;
431		- * ```
432		- *
433		- * @see SMTP::$Debugoutput
434		- *
435		- * @var string|callable|\Psr\Log\LoggerInterface
436		- */
437		- public $Debugoutput = 'echo';
438		-
439		- /**
440		- * Whether to keep the SMTP connection open after each message.
441		- * If this is set to true then the connection will remain open after a send,
442		- * and closing the connection will require an explicit call to smtpClose().
443		- * It's a good idea to use this if you are sending multiple messages as it reduces overhead.
444		- * See the mailing list example for how to use it.
445		- *
446		- * @var bool
447		- */
448		- public $SMTPKeepAlive = false;
449		-
450		- /**
451		- * Whether to split multiple to addresses into multiple messages
452		- * or send them all in one message.
453		- * Only supported in `mail` and `sendmail` transports, not in SMTP.
454		- *
455		- * @var bool
456		- *
457		- * @deprecated 6.0.0 PHPMailer isn't a mailing list manager!
458		- */
459		- public $SingleTo = false;
460		-
461		- /**
462		- * Storage for addresses when SingleTo is enabled.
463		- *
464		- * @var array
465		- */
466		- protected $SingleToArray = [];
467		-
468		- /**
469		- * Whether to generate VERP addresses on send.
470		- * Only applicable when sending via SMTP.
471		- *
472		- * @see https://en.wikipedia.org/wiki/Variable_envelope_return_path
473		- * @see https://www.postfix.org/VERP_README.html Postfix VERP info
474		- *
475		- * @var bool
476		- */
477		- public $do_verp = false;
478		-
479		- /**
480		- * Whether to allow sending messages with an empty body.
481		- *
482		- * @var bool
483		- */
484		- public $AllowEmpty = false;
485		-
486		- /**
487		- * DKIM selector.
488		- *
489		- * @var string
490		- */
491		- public $DKIM_selector = '';
492		-
493		- /**
494		- * DKIM Identity.
495		- * Usually the email address used as the source of the email.
496		- *
497		- * @var string
498		- */
499		- public $DKIM_identity = '';
500		-
501		- /**
502		- * DKIM passphrase.
503		- * Used if your key is encrypted.
504		- *
505		- * @var string
506		- */
507		- public $DKIM_passphrase = '';
508		-
509		- /**
510		- * DKIM signing domain name.
511		- *
512		- * @example 'example.com'
513		- *
514		- * @var string
515		- */
516		- public $DKIM_domain = '';
517		-
518		- /**
519		- * DKIM Copy header field values for diagnostic use.
520		- *
521		- * @var bool
522		- */
523		- public $DKIM_copyHeaderFields = true;
524		-
525		- /**
526		- * DKIM Extra signing headers.
527		- *
528		- * @example ['List-Unsubscribe', 'List-Help']
529		- *
530		- * @var array
531		- */
532		- public $DKIM_extraHeaders = [];
533		-
534		- /**
535		- * DKIM private key file path.
536		- *
537		- * @var string
538		- */
539		- public $DKIM_private = '';
540		-
541		- /**
542		- * DKIM private key string.
543		- *
544		- * If set, takes precedence over `$DKIM_private`.
545		- *
546		- * @var string
547		- */
548		- public $DKIM_private_string = '';
549		-
550		- /**
551		- * Callback Action function name.
552		- *
553		- * The function that handles the result of the send email action.
554		- * It is called out by send() for each email sent.
555		- *
556		- * Value can be any php callable: https://www.php.net/is_callable
557		- *
558		- * Parameters:
559		- * bool $result result of the send action
560		- * array $to email addresses of the recipients
561		- * array $cc cc email addresses
562		- * array $bcc bcc email addresses
563		- * string $subject the subject
564		- * string $body the email body
565		- * string $from email address of sender
566		- * string $extra extra information of possible use
567		- * "smtp_transaction_id' => last smtp transaction id
568		- *
569		- * @var string
570		- */
571		- public $action_function = '';
572		-
573		- /**
574		- * What to put in the X-Mailer header.
575		- * Options: An empty string for PHPMailer default, whitespace/null for none, or a string to use.
576		- *
577		- * @var string|null
578		- */
579		- public $XMailer = '';
580		-
581		- /**
582		- * Which validator to use by default when validating email addresses.
583		- * May be a callable to inject your own validator, but there are several built-in validators.
584		- * The default validator uses PHP's FILTER_VALIDATE_EMAIL filter_var option.
585		- *
586		- * @see PHPMailer::validateAddress()
587		- *
588		- * @var string|callable
589		- */
590		- public static $validator = 'php';
591		-
592		- /**
593		- * An instance of the SMTP sender class.
594		- *
595		- * @var SMTP
596		- */
597		- protected $smtp;
598		-
599		- /**
600		- * The array of 'to' names and addresses.
601		- *
602		- * @var array
603		- */
604		- protected $to = [];
605		-
606		- /**
607		- * The array of 'cc' names and addresses.
608		- *
609		- * @var array
610		- */
611		- protected $cc = [];
612		-
613		- /**
614		- * The array of 'bcc' names and addresses.
615		- *
616		- * @var array
617		- */
618		- protected $bcc = [];
619		-
620		- /**
621		- * The array of reply-to names and addresses.
622		- *
623		- * @var array
624		- */
625		- protected $ReplyTo = [];
626		-
627		- /**
628		- * An array of all kinds of addresses.
629		- * Includes all of $to, $cc, $bcc.
630		- *
631		- * @see PHPMailer::$to
632		- * @see PHPMailer::$cc
633		- * @see PHPMailer::$bcc
634		- *
635		- * @var array
636		- */
637		- protected $all_recipients = [];
638		-
639		- /**
640		- * An array of names and addresses queued for validation.
641		- * In send(), valid and non duplicate entries are moved to $all_recipients
642		- * and one of $to, $cc, or $bcc.
643		- * This array is used only for addresses with IDN.
644		- *
645		- * @see PHPMailer::$to
646		- * @see PHPMailer::$cc
647		- * @see PHPMailer::$bcc
648		- * @see PHPMailer::$all_recipients
649		- *
650		- * @var array
651		- */
652		- protected $RecipientsQueue = [];
653		-
654		- /**
655		- * An array of reply-to names and addresses queued for validation.
656		- * In send(), valid and non duplicate entries are moved to $ReplyTo.
657		- * This array is used only for addresses with IDN.
658		- *
659		- * @see PHPMailer::$ReplyTo
660		- *
661		- * @var array
662		- */
663		- protected $ReplyToQueue = [];
664		-
665		- /**
666		- * The array of attachments.
667		- *
668		- * @var array
669		- */
670		- protected $attachment = [];
671		-
672		- /**
673		- * The array of custom headers.
674		- *
675		- * @var array
676		- */
677		- protected $CustomHeader = [];
678		-
679		- /**
680		- * The most recent Message-ID (including angular brackets).
681		- *
682		- * @var string
683		- */
684		- protected $lastMessageID = '';
685		-
686		- /**
687		- * The message's MIME type.
688		- *
689		- * @var string
690		- */
691		- protected $message_type = '';
692		-
693		- /**
694		- * The array of MIME boundary strings.
695		- *
696		- * @var array
697		- */
698		- protected $boundary = [];
699		-
700		- /**
701		- * The array of available text strings for the current language.
702		- *
703		- * @var array
704		- */
705		- protected $language = [];
706		-
707		- /**
708		- * The number of errors encountered.
709		- *
710		- * @var int
711		- */
712		- protected $error_count = 0;
713		-
714		- /**
715		- * The S/MIME certificate file path.
716		- *
717		- * @var string
718		- */
719		- protected $sign_cert_file = '';
720		-
721		- /**
722		- * The S/MIME key file path.
723		- *
724		- * @var string
725		- */
726		- protected $sign_key_file = '';
727		-
728		- /**
729		- * The optional S/MIME extra certificates ("CA Chain") file path.
730		- *
731		- * @var string
732		- */
733		- protected $sign_extracerts_file = '';
734		-
735		- /**
736		- * The S/MIME password for the key.
737		- * Used only if the key is encrypted.
738		- *
739		- * @var string
740		- */
741		- protected $sign_key_pass = '';
742		-
743		- /**
744		- * Whether to throw exceptions for errors.
745		- *
746		- * @var bool
747		- */
748		- protected $exceptions = false;
749		-
750		- /**
751		- * Unique ID used for message ID and boundaries.
752		- *
753		- * @var string
754		- */
755		- protected $uniqueid = '';
756		-
757		- /**
758		- * The PHPMailer Version number.
759		- *
760		- * @var string
761		- */
762		- const VERSION = '6.9.1';
763		-
764		- /**
765		- * Error severity: message only, continue processing.
766		- *
767		- * @var int
768		- */
769		- const STOP_MESSAGE = 0;
770		-
771		- /**
772		- * Error severity: message, likely ok to continue processing.
773		- *
774		- * @var int
775		- */
776		- const STOP_CONTINUE = 1;
777		-
778		- /**
779		- * Error severity: message, plus full stop, critical error reached.
780		- *
781		- * @var int
782		- */
783		- const STOP_CRITICAL = 2;
784		-
785		- /**
786		- * The SMTP standard CRLF line break.
787		- * If you want to change line break format, change static::$LE, not this.
788		- */
789		- const CRLF = "\r\n";
790		-
791		- /**
792		- * "Folding White Space" a white space string used for line folding.
793		- */
794		- const FWS = ' ';
795		-
796		- /**
797		- * SMTP RFC standard line ending; Carriage Return, Line Feed.
798		- *
799		- * @var string
800		- */
801		- protected static $LE = self::CRLF;
802		-
803		- /**
804		- * The maximum line length supported by mail().
805		- *
806		- * Background: mail() will sometimes corrupt messages
807		- * with headers longer than 65 chars, see #818.
808		- *
809		- * @var int
810		- */
811		- const MAIL_MAX_LINE_LENGTH = 63;
812		-
813		- /**
814		- * The maximum line length allowed by RFC 2822 section 2.1.1.
815		- *
816		- * @var int
817		- */
818		- const MAX_LINE_LENGTH = 998;
819		-
820		- /**
821		- * The lower maximum line length allowed by RFC 2822 section 2.1.1.
822		- * This length does NOT include the line break
823		- * 76 means that lines will be 77 or 78 chars depending on whether
824		- * the line break format is LF or CRLF; both are valid.
825		- *
826		- * @var int
827		- */
828		- const STD_LINE_LENGTH = 76;
829		-
830		- /**
831		- * Constructor.
832		- *
833		- * @param bool $exceptions Should we throw external exceptions?
834		- */
835		- public function __construct($exceptions = null)
836		- {
837		- if (null !== $exceptions) {
838		- $this->exceptions = (bool)$exceptions;
839		- }
840		- //Pick an appropriate debug output format automatically
841		- $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html');
842		- }
843		-
844		- /**
845		- * Destructor.
846		- */
847		- public function __destruct()
848		- {
849		- //Close any open SMTP connection nicely
850		- $this->smtpClose();
851		- }
852		-
853		- /**
854		- * Call mail() in a safe_mode-aware fashion.
855		- * Also, unless sendmail_path points to sendmail (or something that
856		- * claims to be sendmail), don't pass params (not a perfect fix,
857		- * but it will do).
858		- *
859		- * @param string $to To
860		- * @param string $subject Subject
861		- * @param string $body Message Body
862		- * @param string $header Additional Header(s)
863		- * @param string|null $params Params
864		- *
865		- * @return bool
866		- */
867		- private function mailPassthru($to, $subject, $body, $header, $params)
868		- {
869		- //Check overloading of mail function to avoid double-encoding
870		- if ((int)ini_get('mbstring.func_overload') & 1) {
871		- $subject = $this->secureHeader($subject);
872		- } else {
873		- $subject = $this->encodeHeader($this->secureHeader($subject));
874		- }
875		- //Calling mail() with null params breaks
876		- $this->edebug('Sending with mail()');
877		- $this->edebug('Sendmail path: '.ini_get('sendmail_path'));
878		- $this->edebug("Envelope sender: {$this->Sender}");
879		- $this->edebug("To: {$to}");
880		- $this->edebug("Subject: {$subject}");
881		- $this->edebug("Headers: {$header}");
882		- if (!$this->UseSendmailOptions || null === $params) {
883		- $result = @mail($to, $subject, $body, $header);
884		- } else {
885		- $this->edebug("Additional params: {$params}");
886		- $result = @mail($to, $subject, $body, $header, $params);
887		- }
888		- $this->edebug('Result: '.($result ? 'true' : 'false'));
889		-
890		- return $result;
891		- }
892		-
893		- /**
894		- * Output debugging info via a user-defined method.
895		- * Only generates output if debug output is enabled.
896		- *
897		- * @param string $str
898		- *
899		- * @see PHPMailer::$SMTPDebug
900		- *
901		- * @see PHPMailer::$Debugoutput
902		- */
903		- protected function edebug($str)
904		- {
905		- if ($this->SMTPDebug <= 0) {
906		- return;
907		- }
908		- //Is this a PSR-3 logger?
909		- if ($this->Debugoutput instanceof \Psr\Log\LoggerInterface) {
910		- $this->Debugoutput->debug(rtrim($str, "\r\n"));
911		-
912		- return;
913		- }
914		- //Avoid clash with built-in function names
915		- if (is_callable($this->Debugoutput) && !in_array($this->Debugoutput, ['error_log', 'html', 'echo'])) {
916		- call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
917		-
918		- return;
919		- }
920		- switch ($this->Debugoutput) {
921		- case 'error_log':
922		- //Don't output, just log
923		- /** @noinspection ForgottenDebugOutputInspection */
924		- error_log($str);
925		- break;
926		- case 'html':
927		- //Cleans up output a bit for a better looking, HTML-safe output
928		- echo htmlentities(
929		- preg_replace('/[\r\n]+/', '', $str),
930		- ENT_QUOTES,
931		- 'UTF-8'
932		- ), "<br>\n";
933		- break;
934		- case 'echo':
935		- default:
936		- //Normalize line breaks
937		- $str = preg_replace('/\r\n|\r/m', "\n", $str);
938		- echo gmdate('Y-m-d H:i:s'),
939		- "\t",
940		- //Trim trailing space
941		- trim(
942		- //Indent for readability, except for trailing break
943		- str_replace(
944		- "\n",
945		- "\n \t ",
946		- trim($str)
947		- )
948		- ),
949		- "\n";
950		- }
951		- }
952		-
953		- /**
954		- * Sets message type to HTML or plain.
955		- *
956		- * @param bool $isHtml True for HTML mode
957		- */
958		- public function isHTML($isHtml = true)
959		- {
960		- if ($isHtml) {
961		- $this->ContentType = static::CONTENT_TYPE_TEXT_HTML;
962		- } else {
963		- $this->ContentType = static::CONTENT_TYPE_PLAINTEXT;
964		- }
965		- }
966		-
967		- /**
968		- * Send messages using SMTP.
969		- */
970		- public function isSMTP()
971		- {
972		- $this->Mailer = 'smtp';
973		- }
974		-
975		- /**
976		- * Send messages using PHP's mail() function.
977		- */
978		- public function isMail()
979		- {
980		- $this->Mailer = 'mail';
981		- }
982		-
983		- /**
984		- * Send messages using $Sendmail.
985		- */
986		- public function isSendmail()
987		- {
988		- $ini_sendmail_path = ini_get('sendmail_path');
989		-
990		- if (false === stripos($ini_sendmail_path, 'sendmail')) {
991		- $this->Sendmail = '/usr/sbin/sendmail';
992		- } else {
993		- $this->Sendmail = $ini_sendmail_path;
994		- }
995		- $this->Mailer = 'sendmail';
996		- }
997		-
998		- /**
999		- * Send messages using qmail.
1000		- */
1001		- public function isQmail()
1002		- {
1003		- $ini_sendmail_path = ini_get('sendmail_path');
1004		-
1005		- if (false === stripos($ini_sendmail_path, 'qmail')) {
1006		- $this->Sendmail = '/var/qmail/bin/qmail-inject';
1007		- } else {
1008		- $this->Sendmail = $ini_sendmail_path;
1009		- }
1010		- $this->Mailer = 'qmail';
1011		- }
1012		-
1013		- /**
1014		- * Add a "To" address.
1015		- *
1016		- * @param string $address The email address to send to
1017		- * @param string $name
1018		- *
1019		- * @return bool true on success, false if address already used or invalid in some way
1020		- * @throws Exception
1021		- *
1022		- */
1023		- public function addAddress($address, $name = '')
1024		- {
1025		- return $this->addOrEnqueueAnAddress('to', $address, $name);
1026		- }
1027		-
1028		- /**
1029		- * Add a "CC" address.
1030		- *
1031		- * @param string $address The email address to send to
1032		- * @param string $name
1033		- *
1034		- * @return bool true on success, false if address already used or invalid in some way
1035		- * @throws Exception
1036		- *
1037		- */
1038		- public function addCC($address, $name = '')
1039		- {
1040		- return $this->addOrEnqueueAnAddress('cc', $address, $name);
1041		- }
1042		-
1043		- /**
1044		- * Add a "BCC" address.
1045		- *
1046		- * @param string $address The email address to send to
1047		- * @param string $name
1048		- *
1049		- * @return bool true on success, false if address already used or invalid in some way
1050		- * @throws Exception
1051		- *
1052		- */
1053		- public function addBCC($address, $name = '')
1054		- {
1055		- return $this->addOrEnqueueAnAddress('bcc', $address, $name);
1056		- }
1057		-
1058		- /**
1059		- * Add a "Reply-To" address.
1060		- *
1061		- * @param string $address The email address to reply to
1062		- * @param string $name
1063		- *
1064		- * @return bool true on success, false if address already used or invalid in some way
1065		- * @throws Exception
1066		- *
1067		- */
1068		- public function addReplyTo($address, $name = '')
1069		- {
1070		- return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
1071		- }
1072		-
1073		- /**
1074		- * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
1075		- * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
1076		- * be modified after calling this function), addition of such addresses is delayed until send().
1077		- * Addresses that have been added already return false, but do not throw exceptions.
1078		- *
1079		- * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
1080		- * @param string $address The email address
1081		- * @param string $name An optional username associated with the address
1082		- *
1083		- * @return bool true on success, false if address already used or invalid in some way
1084		- * @throws Exception
1085		- *
1086		- */
1087		- protected function addOrEnqueueAnAddress($kind, $address, $name)
1088		- {
1089		- $pos = false;
1090		- if ($address !== null) {
1091		- $address = trim($address);
1092		- $pos = strrpos($address, '@');
1093		- }
1094		- if (false === $pos) {
1095		- //At-sign is missing.
1096		- $error_message = sprintf(
1097		- '%s (%s): %s',
1098		- $this->lang('invalid_address'),
1099		- $kind,
1100		- $address
1101		- );
1102		- $this->setError($error_message);
1103		- $this->edebug($error_message);
1104		- if ($this->exceptions) {
1105		- throw new Exception($error_message);
1106		- }
1107		-
1108		- return false;
1109		- }
1110		- if ($name !== null && is_string($name)) {
1111		- $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
1112		- } else {
1113		- $name = '';
1114		- }
1115		- $params = [$kind, $address, $name];
1116		- //Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
1117		- //Domain is assumed to be whatever is after the last @ symbol in the address
1118		- if (static::idnSupported() && $this->has8bitChars(substr($address, ++$pos))) {
1119		- if ('Reply-To' !== $kind) {
1120		- if (!array_key_exists($address, $this->RecipientsQueue)) {
1121		- $this->RecipientsQueue[$address] = $params;
1122		-
1123		- return true;
1124		- }
1125		- } elseif (!array_key_exists($address, $this->ReplyToQueue)) {
1126		- $this->ReplyToQueue[$address] = $params;
1127		-
1128		- return true;
1129		- }
1130		-
1131		- return false;
1132		- }
1133		-
1134		- //Immediately add standard addresses without IDN.
1135		- return call_user_func_array([$this, 'addAnAddress'], $params);
1136		- }
1137		-
1138		- /**
1139		- * Set the boundaries to use for delimiting MIME parts.
1140		- * If you override this, ensure you set all 3 boundaries to unique values.
1141		- * The default boundaries include a "=_" sequence which cannot occur in quoted-printable bodies,
1142		- * as suggested by https://www.rfc-editor.org/rfc/rfc2045#section-6.7
1143		- *
1144		- * @return void
1145		- */
1146		- public function setBoundaries()
1147		- {
1148		- $this->uniqueid = $this->generateId();
1149		- $this->boundary[1] = 'b1=_'.$this->uniqueid;
1150		- $this->boundary[2] = 'b2=_'.$this->uniqueid;
1151		- $this->boundary[3] = 'b3=_'.$this->uniqueid;
1152		- }
1153		-
1154		- /**
1155		- * Add an address to one of the recipient arrays or to the ReplyTo array.
1156		- * Addresses that have been added already return false, but do not throw exceptions.
1157		- *
1158		- * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
1159		- * @param string $address The email address to send, resp. to reply to
1160		- * @param string $name
1161		- *
1162		- * @return bool true on success, false if address already used or invalid in some way
1163		- * @throws Exception
1164		- *
1165		- */
1166		- protected function addAnAddress($kind, $address, $name = '')
1167		- {
1168		- if (!in_array($kind, ['to', 'cc', 'bcc', 'Reply-To'])) {
1169		- $error_message = sprintf(
1170		- '%s: %s',
1171		- $this->lang('Invalid recipient kind'),
1172		- $kind
1173		- );
1174		- $this->setError($error_message);
1175		- $this->edebug($error_message);
1176		- if ($this->exceptions) {
1177		- throw new Exception($error_message);
1178		- }
1179		-
1180		- return false;
1181		- }
1182		- if (!static::validateAddress($address)) {
1183		- $error_message = sprintf(
1184		- '%s (%s): %s',
1185		- $this->lang('invalid_address'),
1186		- $kind,
1187		- $address
1188		- );
1189		- $this->setError($error_message);
1190		- $this->edebug($error_message);
1191		- if ($this->exceptions) {
1192		- throw new Exception($error_message);
1193		- }
1194		-
1195		- return false;
1196		- }
1197		- if ('Reply-To' !== $kind) {
1198		- if (!array_key_exists(strtolower($address), $this->all_recipients)) {
1199		- $this->{$kind}[] = [$address, $name];
1200		- $this->all_recipients[strtolower($address)] = true;
1201		-
1202		- return true;
1203		- }
1204		- } elseif (!array_key_exists(strtolower($address), $this->ReplyTo)) {
1205		- $this->ReplyTo[strtolower($address)] = [$address, $name];
1206		-
1207		- return true;
1208		- }
1209		-
1210		- return false;
1211		- }
1212		-
1213		- /**
1214		- * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
1215		- * of the form "display name <address>" into an array of name/address pairs.
1216		- * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
1217		- * Note that quotes in the name part are removed.
1218		- *
1219		- * @see https://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
1220		- *
1221		- * @param string $addrstr The address list string
1222		- * @param bool $useimap Whether to use the IMAP extension to parse the list
1223		- * @param string $charset The charset to use when decoding the address list string.
1224		- *
1225		- * @return array
1226		- */
1227		- public static function parseAddresses($addrstr, $useimap = true, $charset = self::CHARSET_ISO88591)
1228		- {
1229		- $addresses = [];
1230		- if ($useimap && function_exists('imap_rfc822_parse_adrlist')) {
1231		- //Use this built-in parser if it's available
1232		- $list = imap_rfc822_parse_adrlist($addrstr, '');
1233		- // Clear any potential IMAP errors to get rid of notices being thrown at end of script.
1234		- imap_errors();
1235		- foreach ($list as $address) {
1236		- if (
1237		- '.SYNTAX-ERROR.' !== $address->host &&
1238		- static::validateAddress($address->mailbox.'@'.$address->host)
1239		- ) {
1240		- //Decode the name part if it's present and encoded
1241		- if (
1242		- property_exists($address, 'personal') &&
1243		- //Check for a Mbstring constant rather than using extension_loaded, which is sometimes disabled
1244		- defined('MB_CASE_UPPER') &&
1245		- preg_match('/^=\?.*\?=$/s', $address->personal)
1246		- ) {
1247		- $origCharset = mb_internal_encoding();
1248		- mb_internal_encoding($charset);
1249		- //Undo any RFC2047-encoded spaces-as-underscores
1250		- $address->personal = str_replace('_', '=20', $address->personal);
1251		- //Decode the name
1252		- $address->personal = mb_decode_mimeheader($address->personal);
1253		- mb_internal_encoding($origCharset);
1254		- }
1255		-
1256		- $addresses[] = [
1257		- 'name' => (property_exists($address, 'personal') ? $address->personal : ''),
1258		- 'address' => $address->mailbox.'@'.$address->host,
1259		- ];
1260		- }
1261		- }
1262		- } else {
1263		- //Use this simpler parser
1264		- $list = explode(',', $addrstr);
1265		- foreach ($list as $address) {
1266		- $address = trim($address);
1267		- //Is there a separate name part?
1268		- if (strpos($address, '<') === false) {
1269		- //No separate name, just use the whole thing
1270		- if (static::validateAddress($address)) {
1271		- $addresses[] = [
1272		- 'name' => '',
1273		- 'address' => $address,
1274		- ];
1275		- }
1276		- } else {
1277		- [$name, $email] = explode('<', $address);
1278		- $email = trim(str_replace('>', '', $email));
1279		- $name = trim($name);
1280		- if (static::validateAddress($email)) {
1281		- //Check for a Mbstring constant rather than using extension_loaded, which is sometimes disabled
1282		- //If this name is encoded, decode it
1283		- if (defined('MB_CASE_UPPER') && preg_match('/^=\?.*\?=$/s', $name)) {
1284		- $origCharset = mb_internal_encoding();
1285		- mb_internal_encoding($charset);
1286		- //Undo any RFC2047-encoded spaces-as-underscores
1287		- $name = str_replace('_', '=20', $name);
1288		- //Decode the name
1289		- $name = mb_decode_mimeheader($name);
1290		- mb_internal_encoding($origCharset);
1291		- }
1292		- $addresses[] = [
1293		- //Remove any surrounding quotes and spaces from the name
1294		- 'name' => trim($name, '\'" '),
1295		- 'address' => $email,
1296		- ];
1297		- }
1298		- }
1299		- }
1300		- }
1301		-
1302		- return $addresses;
1303		- }
1304		-
1305		- /**
1306		- * Set the From and FromName properties.
1307		- *
1308		- * @param string $address
1309		- * @param string $name
1310		- * @param bool $auto Whether to also set the Sender address, defaults to true
1311		- *
1312		- * @return bool
1313		- * @throws Exception
1314		- *
1315		- */
1316		- public function setFrom($address, $name = '', $auto = true)
1317		- {
1318		- $address = trim((string)$address);
1319		- $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
1320		- //Don't validate now addresses with IDN. Will be done in send().
1321		- $pos = strrpos($address, '@');
1322		- if (
1323		- (false === $pos)
1324		- || ((!$this->has8bitChars(substr($address, ++$pos)) || !static::idnSupported())
1325		- && !static::validateAddress($address))
1326		- ) {
1327		- $error_message = sprintf(
1328		- '%s (From): %s',
1329		- $this->lang('invalid_address'),
1330		- $address
1331		- );
1332		- $this->setError($error_message);
1333		- $this->edebug($error_message);
1334		- if ($this->exceptions) {
1335		- throw new Exception($error_message);
1336		- }
1337		-
1338		- return false;
1339		- }
1340		- $this->From = $address;
1341		- $this->FromName = $name;
1342		- if ($auto && empty($this->Sender)) {
1343		- $this->Sender = $address;
1344		- }
1345		-
1346		- return true;
1347		- }
1348		-
1349		- /**
1350		- * Return the Message-ID header of the last email.
1351		- * Technically this is the value from the last time the headers were created,
1352		- * but it's also the message ID of the last sent message except in
1353		- * pathological cases.
1354		- *
1355		- * @return string
1356		- */
1357		- public function getLastMessageID()
1358		- {
1359		- return $this->lastMessageID;
1360		- }
1361		-
1362		- /**
1363		- * Check that a string looks like an email address.
1364		- * Validation patterns supported:
1365		- * * `auto` Pick best pattern automatically;
1366		- * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0;
1367		- * * `pcre` Use old PCRE implementation;
1368		- * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
1369		- * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
1370		- * * `noregex` Don't use a regex: super fast, really dumb.
1371		- * Alternatively you may pass in a callable to inject your own validator, for example:
1372		- *
1373		- * ```php
1374		- * PHPMailer::validateAddress('[email protected]', function($address) {
1375		- * return (strpos($address, '@') !== false);
1376		- * });
1377		- * ```
1378		- *
1379		- * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
1380		- *
1381		- * @param string $address The email address to check
1382		- * @param string|callable $patternselect Which pattern to use
1383		- *
1384		- * @return bool
1385		- */
1386		- public static function validateAddress($address, $patternselect = null)
1387		- {
1388		- if (null === $patternselect) {
1389		- $patternselect = static::$validator;
1390		- }
1391		- //Don't allow strings as callables, see SECURITY.md and CVE-2021-3603
1392		- if (is_callable($patternselect) && !is_string($patternselect)) {
1393		- return call_user_func($patternselect, $address);
1394		- }
1395		- //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
1396		- if (strpos($address, "\n") !== false || strpos($address, "\r") !== false) {
1397		- return false;
1398		- }
1399		- switch ($patternselect) {
1400		- case 'pcre': //Kept for BC
1401		- case 'pcre8':
1402		- /*
1403		- * A more complex and more permissive version of the RFC5322 regex on which FILTER_VALIDATE_EMAIL
1404		- * is based.
1405		- * In addition to the addresses allowed by filter_var, also permits:
1406		- * * dotless domains: `a@b`
1407		- * * comments: `1234 @ local(blah) .machine .example`
1408		- * * quoted elements: `'"test blah"@example.org'`
1409		- * * numeric TLDs: `[email protected]`
1410		- * * unbracketed IPv4 literals: `[email protected]`
1411		- * * IPv6 literals: 'first.last@[IPv6:a1::]'
1412		- * Not all of these will necessarily work for sending!
1413		- *
1414		- * @copyright 2009-2010 Michael Rushton
1415		- * Feel free to use and redistribute this code. But please keep this copyright notice.
1416		- */
1417		- return (bool)preg_match(
1418		- '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)'.
1419		- '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)'.
1420		- '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)'.
1421		- '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*'.
1422		- '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)'.
1423		- '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}'.
1424		- '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:'.
1425		- '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}'.
1426		- '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
1427		- $address
1428		- );
1429		- case 'html5':
1430		- /*
1431		- * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
1432		- *
1433		- * @see https://html.spec.whatwg.org/#e-mail-state-(type=email)
1434		- */
1435		- return (bool)preg_match(
1436		- '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}'.
1437		- '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
1438		- $address
1439		- );
1440		- case 'php':
1441		- default:
1442		- return filter_var($address, FILTER_VALIDATE_EMAIL) !== false;
1443		- }
1444		- }
1445		-
1446		- /**
1447		- * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
1448		- * `intl` and `mbstring` PHP extensions.
1449		- *
1450		- * @return bool `true` if required functions for IDN support are present
1451		- */
1452		- public static function idnSupported()
1453		- {
1454		- return function_exists('idn_to_ascii') && function_exists('mb_convert_encoding');
1455		- }
1456		-
1457		- /**
1458		- * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
1459		- * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
1460		- * This function silently returns unmodified address if:
1461		- * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
1462		- * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
1463		- * or fails for any reason (e.g. domain contains characters not allowed in an IDN).
1464		- *
1465		- * @param string $address The email address to convert
1466		- *
1467		- * @return string The encoded address in ASCII form
1468		- * @see PHPMailer::$CharSet
1469		- *
1470		- */
1471		- public function punyencodeAddress($address)
1472		- {
1473		- //Verify we have required functions, CharSet, and at-sign.
1474		- $pos = strrpos($address, '@');
1475		- if (
1476		- !empty($this->CharSet) &&
1477		- false !== $pos &&
1478		- static::idnSupported()
1479		- ) {
1480		- $domain = substr($address, ++$pos);
1481		- //Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
1482		- if ($this->has8bitChars($domain) && @mb_check_encoding($domain, $this->CharSet)) {
1483		- //Convert the domain from whatever charset it's in to UTF-8
1484		- $domain = mb_convert_encoding($domain, self::CHARSET_UTF8, $this->CharSet);
1485		- //Ignore IDE complaints about this line - method signature changed in PHP 5.4
1486		- $errorcode = 0;
1487		- if (defined('INTL_IDNA_VARIANT_UTS46')) {
1488		- //Use the current punycode standard (appeared in PHP 7.2)
1489		- $punycode = idn_to_ascii(
1490		- $domain,
1491		- \IDNA_DEFAULT | \IDNA_USE_STD3_RULES | \IDNA_CHECK_BIDI |
1492		- \IDNA_CHECK_CONTEXTJ | \IDNA_NONTRANSITIONAL_TO_ASCII,
1493		- \INTL_IDNA_VARIANT_UTS46
1494		- );
1495		- } elseif (defined('INTL_IDNA_VARIANT_2003')) {
1496		- //Fall back to this old, deprecated/removed encoding
1497		- $punycode = idn_to_ascii($domain, $errorcode, \INTL_IDNA_VARIANT_2003);
1498		- } else {
1499		- //Fall back to a default we don't know about
1500		- $punycode = idn_to_ascii($domain, $errorcode);
1501		- }
1502		- if (false !== $punycode) {
1503		- return substr($address, 0, $pos).$punycode;
1504		- }
1505		- }
1506		- }
1507		-
1508		- return $address;
1509		- }
1510		-
1511		- /**
1512		- * Create a message and send it.
1513		- * Uses the sending method specified by $Mailer.
1514		- *
1515		- * @return bool false on error - See the ErrorInfo property for details of the error
1516		- * @throws Exception
1517		- *
1518		- */
1519		- public function send()
1520		- {
1521		- try {
1522		- if (!$this->preSend()) {
1523		- return false;
1524		- }
1525		-
1526		- return $this->postSend();
1527		- } catch (Exception $exc) {
1528		- $this->mailHeader = '';
1529		- $this->setError($exc->getMessage());
1530		- if ($this->exceptions) {
1531		- throw $exc;
1532		- }
1533		-
1534		- return false;
1535		- }
1536		- }
1537		-
1538		- /**
1539		- * Prepare a message for sending.
1540		- *
1541		- * @return bool
1542		- * @throws Exception
1543		- *
1544		- */
1545		- public function preSend()
1546		- {
1547		- if (
1548		- 'smtp' === $this->Mailer
1549		- || ('mail' === $this->Mailer && (\PHP_VERSION_ID >= 80000 || stripos(PHP_OS, 'WIN') === 0))
1550		- ) {
1551		- //SMTP mandates RFC-compliant line endings
1552		- //and it's also used with mail() on Windows
1553		- static::setLE(self::CRLF);
1554		- } else {
1555		- //Maintain backward compatibility with legacy Linux command line mailers
1556		- static::setLE(PHP_EOL);
1557		- }
1558		- //Check for buggy PHP versions that add a header with an incorrect line break
1559		- if (
1560		- 'mail' === $this->Mailer
1561		- && ((\PHP_VERSION_ID >= 70000 && \PHP_VERSION_ID < 70017)
1562		- || (\PHP_VERSION_ID >= 70100 && \PHP_VERSION_ID < 70103))
1563		- && ini_get('mail.add_x_header') === '1'
1564		- && stripos(PHP_OS, 'WIN') === 0
1565		- ) {
1566		- trigger_error($this->lang('buggy_php'), E_USER_WARNING);
1567		- }
1568		-
1569		- try {
1570		- $this->error_count = 0; //Reset errors
1571		- $this->mailHeader = '';
1572		-
1573		- //Dequeue recipient and Reply-To addresses with IDN
1574		- foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
1575		- $params[1] = $this->punyencodeAddress($params[1]);
1576		- call_user_func_array([$this, 'addAnAddress'], $params);
1577		- }
1578		- if (count($this->to) + count($this->cc) + count($this->bcc) < 1) {
1579		- throw new Exception($this->lang('provide_address'), self::STOP_CRITICAL);
1580		- }
1581		-
1582		- //Validate From, Sender, and ConfirmReadingTo addresses
1583		- foreach (['From', 'Sender', 'ConfirmReadingTo'] as $address_kind) {
1584		- if ($this->{$address_kind} === null) {
1585		- $this->{$address_kind} = '';
1586		- continue;
1587		- }
1588		- $this->{$address_kind} = trim($this->{$address_kind});
1589		- if (empty($this->{$address_kind})) {
1590		- continue;
1591		- }
1592		- $this->{$address_kind} = $this->punyencodeAddress($this->{$address_kind});
1593		- if (!static::validateAddress($this->{$address_kind})) {
1594		- $error_message = sprintf(
1595		- '%s (%s): %s',
1596		- $this->lang('invalid_address'),
1597		- $address_kind,
1598		- $this->{$address_kind}
1599		- );
1600		- $this->setError($error_message);
1601		- $this->edebug($error_message);
1602		- if ($this->exceptions) {
1603		- throw new Exception($error_message);
1604		- }
1605		-
1606		- return false;
1607		- }
1608		- }
1609		-
1610		- //Set whether the message is multipart/alternative
1611		- if ($this->alternativeExists()) {
1612		- $this->ContentType = static::CONTENT_TYPE_MULTIPART_ALTERNATIVE;
1613		- }
1614		-
1615		- $this->setMessageType();
1616		- //Refuse to send an empty message unless we are specifically allowing it
1617		- if (!$this->AllowEmpty && empty($this->Body)) {
1618		- throw new Exception($this->lang('empty_message'), self::STOP_CRITICAL);
1619		- }
1620		-
1621		- //Trim subject consistently
1622		- $this->Subject = trim($this->Subject);
1623		- //Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
1624		- $this->MIMEHeader = '';
1625		- $this->MIMEBody = $this->createBody();
1626		- //createBody may have added some headers, so retain them
1627		- $tempheaders = $this->MIMEHeader;
1628		- $this->MIMEHeader = $this->createHeader();
1629		- $this->MIMEHeader .= $tempheaders;
1630		-
1631		- //To capture the complete message when using mail(), create
1632		- //an extra header list which createHeader() doesn't fold in
1633		- if ('mail' === $this->Mailer) {
1634		- if (count($this->to) > 0) {
1635		- $this->mailHeader .= $this->addrAppend('To', $this->to);
1636		- } else {
1637		- $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
1638		- }
1639		- $this->mailHeader .= $this->headerLine(
1640		- 'Subject',
1641		- $this->encodeHeader($this->secureHeader($this->Subject))
1642		- );
1643		- }
1644		-
1645		- //Sign with DKIM if enabled
1646		- if (
1647		- !empty($this->DKIM_domain)
1648		- && !empty($this->DKIM_selector)
1649		- && (!empty($this->DKIM_private_string)
1650		- || (!empty($this->DKIM_private)
1651		- && static::isPermittedPath($this->DKIM_private)
1652		- && file_exists($this->DKIM_private)
1653		- )
1654		- )
1655		- ) {
1656		- $header_dkim = $this->DKIM_Add(
1657		- $this->MIMEHeader.$this->mailHeader,
1658		- $this->encodeHeader($this->secureHeader($this->Subject)),
1659		- $this->MIMEBody
1660		- );
1661		- $this->MIMEHeader = static::stripTrailingWSP($this->MIMEHeader).static::$LE.
1662		- static::normalizeBreaks($header_dkim).static::$LE;
1663		- }
1664		-
1665		- return true;
1666		- } catch (Exception $exc) {
1667		- $this->setError($exc->getMessage());
1668		- if ($this->exceptions) {
1669		- throw $exc;
1670		- }
1671		-
1672		- return false;
1673		- }
1674		- }
1675		-
1676		- /**
1677		- * Actually send a message via the selected mechanism.
1678		- *
1679		- * @return bool
1680		- * @throws Exception
1681		- *
1682		- */
1683		- public function postSend()
1684		- {
1685		- try {
1686		- //Choose the mailer and send through it
1687		- switch ($this->Mailer) {
1688		- case 'sendmail':
1689		- case 'qmail':
1690		- return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
1691		- case 'smtp':
1692		- return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
1693		- case 'mail':
1694		- return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1695		- default:
1696		- $sendMethod = $this->Mailer.'Send';
1697		- if (method_exists($this, $sendMethod)) {
1698		- return $this->{$sendMethod}($this->MIMEHeader, $this->MIMEBody);
1699		- }
1700		-
1701		- return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1702		- }
1703		- } catch (Exception $exc) {
1704		- $this->setError($exc->getMessage());
1705		- $this->edebug($exc->getMessage());
1706		- if ($this->Mailer === 'smtp' && $this->SMTPKeepAlive == true && $this->smtp->connected()) {
1707		- $this->smtp->reset();
1708		- }
1709		- if ($this->exceptions) {
1710		- throw $exc;
1711		- }
1712		- }
1713		-
1714		- return false;
1715		- }
1716		-
1717		- /**
1718		- * Send mail using the $Sendmail program.
1719		- *
1720		- * @param string $header The message headers
1721		- * @param string $body The message body
1722		- *
1723		- * @return bool
1724		- * @throws Exception
1725		- *
1726		- * @see PHPMailer::$Sendmail
1727		- *
1728		- */
1729		- protected function sendmailSend($header, $body)
1730		- {
1731		- if ($this->Mailer === 'qmail') {
1732		- $this->edebug('Sending with qmail');
1733		- } else {
1734		- $this->edebug('Sending with sendmail');
1735		- }
1736		- $header = static::stripTrailingWSP($header).static::$LE.static::$LE;
1737		- //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
1738		- //A space after `-f` is optional, but there is a long history of its presence
1739		- //causing problems, so we don't use one
1740		- //Exim docs: https://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
1741		- //Sendmail docs: https://www.sendmail.org/~ca/email/man/sendmail.html
1742		- //Example problem: https://www.drupal.org/node/1057954
1743		-
1744		- //PHP 5.6 workaround
1745		- $sendmail_from_value = ini_get('sendmail_from');
1746		- if (empty($this->Sender) && !empty($sendmail_from_value)) {
1747		- //PHP config has a sender address we can use
1748		- $this->Sender = ini_get('sendmail_from');
1749		- }
1750		- //CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
1751		- if (!empty($this->Sender) && static::validateAddress($this->Sender) && self::isShellSafe($this->Sender)) {
1752		- if ($this->Mailer === 'qmail') {
1753		- $sendmailFmt = '%s -f%s';
1754		- } else {
1755		- $sendmailFmt = '%s -oi -f%s -t';
1756		- }
1757		- } else {
1758		- //allow sendmail to choose a default envelope sender. It may
1759		- //seem preferable to force it to use the From header as with
1760		- //SMTP, but that introduces new problems (see
1761		- //<https://github.com/PHPMailer/PHPMailer/issues/2298>), and
1762		- //it has historically worked this way.
1763		- $sendmailFmt = '%s -oi -t';
1764		- }
1765		-
1766		- $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
1767		- $this->edebug('Sendmail path: '.$this->Sendmail);
1768		- $this->edebug('Sendmail command: '.$sendmail);
1769		- $this->edebug('Envelope sender: '.$this->Sender);
1770		- $this->edebug("Headers: {$header}");
1771		-
1772		- if ($this->SingleTo) {
1773		- foreach ($this->SingleToArray as $toAddr) {
1774		- $mail = @popen($sendmail, 'w');
1775		- if (!$mail) {
1776		- throw new Exception($this->lang('execute').$this->Sendmail, self::STOP_CRITICAL);
1777		- }
1778		- $this->edebug("To: {$toAddr}");
1779		- fwrite($mail, 'To: '.$toAddr."\n");
1780		- fwrite($mail, $header);
1781		- fwrite($mail, $body);
1782		- $result = pclose($mail);
1783		- $addrinfo = static::parseAddresses($toAddr, true, $this->CharSet);
1784		- $this->doCallback(
1785		- ($result === 0),
1786		- [[$addrinfo['address'], $addrinfo['name']]],
1787		- $this->cc,
1788		- $this->bcc,
1789		- $this->Subject,
1790		- $body,
1791		- $this->From,
1792		- []
1793		- );
1794		- $this->edebug("Result: ".($result === 0 ? 'true' : 'false'));
1795		- if (0 !== $result) {
1796		- throw new Exception($this->lang('execute').$this->Sendmail, self::STOP_CRITICAL);
1797		- }
1798		- }
1799		- } else {
1800		- $mail = @popen($sendmail, 'w');
1801		- if (!$mail) {
1802		- throw new Exception($this->lang('execute').$this->Sendmail, self::STOP_CRITICAL);
1803		- }
1804		- fwrite($mail, $header);
1805		- fwrite($mail, $body);
1806		- $result = pclose($mail);
1807		- $this->doCallback(
1808		- ($result === 0),
1809		- $this->to,
1810		- $this->cc,
1811		- $this->bcc,
1812		- $this->Subject,
1813		- $body,
1814		- $this->From,
1815		- []
1816		- );
1817		- $this->edebug("Result: ".($result === 0 ? 'true' : 'false'));
1818		- if (0 !== $result) {
1819		- throw new Exception($this->lang('execute').$this->Sendmail, self::STOP_CRITICAL);
1820		- }
1821		- }
1822		-
1823		- return true;
1824		- }
1825		-
1826		- /**
1827		- * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
1828		- * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
1829		- *
1830		- * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
1831		- *
1832		- * @param string $string The string to be validated
1833		- *
1834		- * @return bool
1835		- */
1836		- protected static function isShellSafe($string)
1837		- {
1838		- //It's not possible to use shell commands safely (which includes the mail() function) without escapeshellarg,
1839		- //but some hosting providers disable it, creating a security problem that we don't want to have to deal with,
1840		- //so we don't.
1841		- if (!function_exists('escapeshellarg') || !function_exists('escapeshellcmd')) {
1842		- return false;
1843		- }
1844		-
1845		- if (
1846		- escapeshellcmd($string) !== $string
1847		- || !in_array(escapeshellarg($string), ["'$string'", "\"$string\""])
1848		- ) {
1849		- return false;
1850		- }
1851		-
1852		- $length = strlen($string);
1853		-
1854		- for ($i = 0; $i < $length; ++$i) {
1855		- $c = $string[$i];
1856		-
1857		- //All other characters have a special meaning in at least one common shell, including = and +.
1858		- //Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
1859		- //Note that this does permit non-Latin alphanumeric characters based on the current locale.
1860		- if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
1861		- return false;
1862		- }
1863		- }
1864		-
1865		- return true;
1866		- }
1867		-
1868		- /**
1869		- * Check whether a file path is of a permitted type.
1870		- * Used to reject URLs and phar files from functions that access local file paths,
1871		- * such as addAttachment.
1872		- *
1873		- * @param string $path A relative or absolute path to a file
1874		- *
1875		- * @return bool
1876		- */
1877		- protected static function isPermittedPath($path)
1878		- {
1879		- //Matches scheme definition from https://tools.ietf.org/html/rfc3986#section-3.1
1880		- return !preg_match('#^[a-z][a-z\d+.-]*://#i', $path);
1881		- }
1882		-
1883		- /**
1884		- * Check whether a file path is safe, accessible, and readable.
1885		- *
1886		- * @param string $path A relative or absolute path to a file
1887		- *
1888		- * @return bool
1889		- */
1890		- protected static function fileIsAccessible($path)
1891		- {
1892		- if (!static::isPermittedPath($path)) {
1893		- return false;
1894		- }
1895		- $readable = is_file($path);
1896		- //If not a UNC path (expected to start with \\), check read permission, see #2069
1897		- if (strpos($path, '\\\\') !== 0) {
1898		- $readable = $readable && is_readable($path);
1899		- }
1900		-
1901		- return $readable;
1902		- }
1903		-
1904		- /**
1905		- * Send mail using the PHP mail() function.
1906		- *
1907		- * @see https://www.php.net/manual/en/book.mail.php
1908		- *
1909		- * @param string $header The message headers
1910		- * @param string $body The message body
1911		- *
1912		- * @throws Exception
1913		- *
1914		- * @return bool
1915		- */
1916		- protected function mailSend($header, $body)
1917		- {
1918		- $header = static::stripTrailingWSP($header).static::$LE.static::$LE;
1919		-
1920		- $toArr = [];
1921		- foreach ($this->to as $toaddr) {
1922		- $toArr[] = $this->addrFormat($toaddr);
1923		- }
1924		- $to = trim(implode(', ', $toArr));
1925		-
1926		- //If there are no To-addresses (e.g. when sending only to BCC-addresses)
1927		- //the following should be added to get a correct DKIM-signature.
1928		- //Compare with $this->preSend()
1929		- if ($to === '') {
1930		- $to = 'undisclosed-recipients:;';
1931		- }
1932		-
1933		- $params = null;
1934		- //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
1935		- //A space after `-f` is optional, but there is a long history of its presence
1936		- //causing problems, so we don't use one
1937		- //Exim docs: https://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
1938		- //Sendmail docs: https://www.sendmail.org/~ca/email/man/sendmail.html
1939		- //Example problem: https://www.drupal.org/node/1057954
1940		- //CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
1941		-
1942		- //PHP 5.6 workaround
1943		- $sendmail_from_value = ini_get('sendmail_from');
1944		- if (empty($this->Sender) && !empty($sendmail_from_value)) {
1945		- //PHP config has a sender address we can use
1946		- $this->Sender = ini_get('sendmail_from');
1947		- }
1948		- if (!empty($this->Sender) && static::validateAddress($this->Sender)) {
1949		- if (self::isShellSafe($this->Sender)) {
1950		- $params = sprintf('-f%s', $this->Sender);
1951		- }
1952		- $old_from = ini_get('sendmail_from');
1953		- ini_set('sendmail_from', $this->Sender);
1954		- }
1955		- $result = false;
1956		- if ($this->SingleTo && count($toArr) > 1) {
1957		- foreach ($toArr as $toAddr) {
1958		- $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
1959		- $addrinfo = static::parseAddresses($toAddr, true, $this->CharSet);
1960		- $this->doCallback(
1961		- $result,
1962		- [[$addrinfo['address'], $addrinfo['name']]],
1963		- $this->cc,
1964		- $this->bcc,
1965		- $this->Subject,
1966		- $body,
1967		- $this->From,
1968		- []
1969		- );
1970		- }
1971		- } else {
1972		- $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
1973		- $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From, []);
1974		- }
1975		- if (isset($old_from)) {
1976		- ini_set('sendmail_from', $old_from);
1977		- }
1978		- if (!$result) {
1979		- throw new Exception($this->lang('instantiate'), self::STOP_CRITICAL);
1980		- }
1981		-
1982		- return true;
1983		- }
1984		-
1985		- /**
1986		- * Get an instance to use for SMTP operations.
1987		- * Override this function to load your own SMTP implementation,
1988		- * or set one with setSMTPInstance.
1989		- *
1990		- * @return SMTP
1991		- */
1992		- public function getSMTPInstance()
1993		- {
1994		- if (!is_object($this->smtp)) {
1995		- $this->smtp = new Smtp();
1996		- }
1997		-
1998		- return $this->smtp;
1999		- }
2000		-
2001		- /**
2002		- * Provide an instance to use for SMTP operations.
2003		- *
2004		- * @return SMTP
2005		- */
2006		- public function setSMTPInstance(SMTP $smtp)
2007		- {
2008		- $this->smtp = $smtp;
2009		-
2010		- return $this->smtp;
2011		- }
2012		-
2013		- /**
2014		- * Provide SMTP XCLIENT attributes
2015		- *
2016		- * @param string $name Attribute name
2017		- * @param ?string $value Attribute value
2018		- *
2019		- * @return bool
2020		- */
2021		- public function setSMTPXclientAttribute($name, $value)
2022		- {
2023		- if (!in_array($name, SMTP::$xclient_allowed_attributes)) {
2024		- return false;
2025		- }
2026		- if (isset($this->SMTPXClient[$name]) && $value === null) {
2027		- unset($this->SMTPXClient[$name]);
2028		- } elseif ($value !== null) {
2029		- $this->SMTPXClient[$name] = $value;
2030		- }
2031		-
2032		- return true;
2033		- }
2034		-
2035		- /**
2036		- * Get SMTP XCLIENT attributes
2037		- *
2038		- * @return array
2039		- */
2040		- public function getSMTPXclientAttributes()
2041		- {
2042		- return $this->SMTPXClient;
2043		- }
2044		-
2045		- /**
2046		- * Send mail via SMTP.
2047		- * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
2048		- *
2049		- * @param string $header The message headers
2050		- * @param string $body The message body
2051		- *
2052		- * @return bool
2053		- * @throws Exception
2054		- *
2055		- * @see PHPMailer::setSMTPInstance() to use a different class.
2056		- *
2057		- * @uses \PHPMailer\PHPMailer\SMTP
2058		- *
2059		- */
2060		- protected function smtpSend($header, $body)
2061		- {
2062		- $header = static::stripTrailingWSP($header).static::$LE.static::$LE;
2063		- $bad_rcpt = [];
2064		- if (!$this->smtpConnect($this->SMTPOptions)) {
2065		- throw new Exception($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
2066		- }
2067		- //Sender already validated in preSend()
2068		- if ('' === $this->Sender) {
2069		- $smtp_from = $this->From;
2070		- } else {
2071		- $smtp_from = $this->Sender;
2072		- }
2073		- if (count($this->SMTPXClient)) {
2074		- $this->smtp->xclient($this->SMTPXClient);
2075		- }
2076		- if (!$this->smtp->mail($smtp_from)) {
2077		- $this->setError($this->lang('from_failed').$smtp_from.' : '.implode(',', $this->smtp->getError()));
2078		- throw new Exception($this->ErrorInfo, self::STOP_CRITICAL);
2079		- }
2080		-
2081		- $callbacks = [];
2082		- //Attempt to send to all recipients
2083		- foreach ([$this->to, $this->cc, $this->bcc] as $togroup) {
2084		- foreach ($togroup as $to) {
2085		- if (!$this->smtp->recipient($to[0], $this->dsn)) {
2086		- $error = $this->smtp->getError();
2087		- $bad_rcpt[] = ['to' => $to[0], 'error' => $error['detail']];
2088		- $isSent = false;
2089		- } else {
2090		- $isSent = true;
2091		- }
2092		-
2093		- $callbacks[] = ['issent' => $isSent, 'to' => $to[0], 'name' => $to[1]];
2094		- }
2095		- }
2096		-
2097		- //Only send the DATA command if we have viable recipients
2098		- if ((count($this->all_recipients) > count($bad_rcpt)) && !$this->smtp->data($header.$body)) {
2099		- throw new Exception($this->lang('data_not_accepted'), self::STOP_CRITICAL);
2100		- }
2101		-
2102		- $smtp_transaction_id = $this->smtp->getLastTransactionID();
2103		-
2104		- if ($this->SMTPKeepAlive) {
2105		- $this->smtp->reset();
2106		- } else {
2107		- $this->smtp->quit();
2108		- $this->smtp->close();
2109		- }
2110		-
2111		- foreach ($callbacks as $cb) {
2112		- $this->doCallback(
2113		- $cb['issent'],
2114		- [[$cb['to'], $cb['name']]],
2115		- [],
2116		- [],
2117		- $this->Subject,
2118		- $body,
2119		- $this->From,
2120		- ['smtp_transaction_id' => $smtp_transaction_id]
2121		- );
2122		- }
2123		-
2124		- //Create error message for any bad addresses
2125		- if (count($bad_rcpt) > 0) {
2126		- $errstr = '';
2127		- foreach ($bad_rcpt as $bad) {
2128		- $errstr .= $bad['to'].': '.$bad['error'].', ';
2129		- }
2130		- $errstr = rtrim($errstr, ', ');
2131		-
2132		- $errorTmp = $this->smtp->getError();
2133		- $errorLbl = empty($errorTmp) ? $this->Lang('recipients_failed') : implode(', ', $errorTmp);
2134		- $this->setError($errorLbl.' ('.$errstr.') ');
2135		-
2136		- // Avoid the nested MAIL command error
2137		- $this->smtp->Reset();
2138		- throw new Exception($this->ErrorInfo);
2139		- }
2140		-
2141		- return true;
2142		- }
2143		-
2144		- /**
2145		- * Initiate a connection to an SMTP server.
2146		- * Returns false if the operation failed.
2147		- *
2148		- * @param array $options An array of options compatible with stream_context_create()
2149		- *
2150		- * @return bool
2151		- * @throws Exception
2152		- *
2153		- * @uses \PHPMailer\PHPMailer\SMTP
2154		- *
2155		- */
2156		- public function smtpConnect($options = null)
2157		- {
2158		- if (null === $this->smtp) {
2159		- $this->smtp = $this->getSMTPInstance();
2160		- }
2161		-
2162		- //If no options are provided, use whatever is set in the instance
2163		- if (null === $options) {
2164		- $options = $this->SMTPOptions;
2165		- }
2166		-
2167		- //Already connected?
2168		- if ($this->smtp->connected()) {
2169		- return true;
2170		- }
2171		-
2172		- $this->smtp->setTimeout($this->Timeout);
2173		- $this->smtp->setDebugLevel($this->SMTPDebug);
2174		- $this->smtp->setDebugOutput($this->Debugoutput);
2175		- $this->smtp->setVerp($this->do_verp);
2176		- if ($this->Host === null) {
2177		- $this->Host = 'localhost';
2178		- }
2179		- $hosts = explode(';', $this->Host);
2180		- $lastexception = null;
2181		-
2182		- foreach ($hosts as $hostentry) {
2183		- $hostinfo = [];
2184		- if (
2185		- !preg_match(
2186		- '/^(?:(ssl|tls):\/\/)?(.+?)(?::(\d+))?$/',
2187		- trim($hostentry),
2188		- $hostinfo
2189		- )
2190		- ) {
2191		- $this->edebug($this->lang('invalid_hostentry').' '.trim($hostentry));
2192		- //Not a valid host entry
2193		- continue;
2194		- }
2195		- //$hostinfo[1]: optional ssl or tls prefix
2196		- //$hostinfo[2]: the hostname
2197		- //$hostinfo[3]: optional port number
2198		- //The host string prefix can temporarily override the current setting for SMTPSecure
2199		- //If it's not specified, the default value is used
2200		-
2201		- //Check the host name is a valid name or IP address before trying to use it
2202		- if (!static::isValidHost($hostinfo[2])) {
2203		- $this->edebug($this->lang('invalid_host').' '.$hostinfo[2]);
2204		- continue;
2205		- }
2206		- $prefix = '';
2207		- $secure = $this->SMTPSecure;
2208		- $tls = (static::ENCRYPTION_STARTTLS === $this->SMTPSecure);
2209		- if ('ssl' === $hostinfo[1] || ('' === $hostinfo[1] && static::ENCRYPTION_SMTPS === $this->SMTPSecure)) {
2210		- $prefix = 'ssl://';
2211		- $tls = false; //Can't have SSL and TLS at the same time
2212		- $secure = static::ENCRYPTION_SMTPS;
2213		- } elseif ('tls' === $hostinfo[1]) {
2214		- $tls = true;
2215		- //TLS doesn't use a prefix
2216		- $secure = static::ENCRYPTION_STARTTLS;
2217		- }
2218		- //Do we need the OpenSSL extension?
2219		- $sslext = defined('OPENSSL_ALGO_SHA256');
2220		- if (static::ENCRYPTION_STARTTLS === $secure || static::ENCRYPTION_SMTPS === $secure) {
2221		- //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
2222		- if (!$sslext) {
2223		- throw new Exception($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
2224		- }
2225		- }
2226		- $host = $hostinfo[2];
2227		- $port = $this->Port;
2228		- if (
2229		- array_key_exists(3, $hostinfo) &&
2230		- is_numeric($hostinfo[3]) &&
2231		- $hostinfo[3] > 0 &&
2232		- $hostinfo[3] < 65536
2233		- ) {
2234		- $port = (int)$hostinfo[3];
2235		- }
2236		- if ($this->smtp->connect($prefix.$host, $port, $this->Timeout, $options)) {
2237		- try {
2238		- if ($this->Helo) {
2239		- $hello = $this->Helo;
2240		- } else {
2241		- $hello = $this->serverHostname();
2242		- }
2243		- $this->smtp->hello($hello);
2244		- //Automatically enable TLS encryption if:
2245		- //* it's not disabled
2246		- //* we are not connecting to localhost
2247		- //* we have openssl extension
2248		- //* we are not already using SSL
2249		- //* the server offers STARTTLS
2250		- if (
2251		- $this->SMTPAutoTLS &&
2252		- $this->Host !== 'localhost' &&
2253		- $sslext &&
2254		- $secure !== 'ssl' &&
2255		- $this->smtp->getServerExt('STARTTLS')
2256		- ) {
2257		- $tls = true;
2258		- }
2259		- if ($tls) {
2260		- if (!$this->smtp->startTLS()) {
2261		- $message = $this->getSmtpErrorMessage('connect_host');
2262		- throw new Exception($message);
2263		- }
2264		- //We must resend EHLO after TLS negotiation
2265		- $this->smtp->hello($hello);
2266		- }
2267		- if (
2268		- $this->SMTPAuth && !$this->smtp->authenticate(
2269		- $this->Username,
2270		- $this->Password,
2271		- $this->AuthType,
2272		- $this->oauth
2273		- )
2274		- ) {
2275		- $errorTmp = $this->smtp->getError();
2276		- $errorLbl = empty($errorTmp) ? $this->lang('authenticate') : implode(', ', $errorTmp);
2277		- throw new Exception($errorLbl);
2278		- }
2279		-
2280		- return true;
2281		- } catch (Exception $exc) {
2282		- $lastexception = $exc;
2283		- $this->edebug($exc->getMessage());
2284		- //We must have connected, but then failed TLS or Auth, so close connection nicely
2285		- $this->smtp->quit();
2286		- }
2287		- }
2288		- }
2289		- //If we get here, all connection attempts have failed, so close connection hard
2290		- $this->smtp->close();
2291		- //As we've caught all exceptions, just report whatever the last one was
2292		- if ($this->exceptions && null !== $lastexception) {
2293		- throw $lastexception;
2294		- }
2295		- if ($this->exceptions) {
2296		- // no exception was thrown, likely $this->smtp->connect() failed
2297		- $message = $this->getSmtpErrorMessage('connect_host');
2298		- throw new Exception($message);
2299		- }
2300		-
2301		- return false;
2302		- }
2303		-
2304		- /**
2305		- * Close the active SMTP session if one exists.
2306		- */
2307		- public function smtpClose()
2308		- {
2309		- if ((null !== $this->smtp) && $this->smtp->connected()) {
2310		- $this->smtp->quit();
2311		- $this->smtp->close();
2312		- }
2313		- }
2314		-
2315		- /**
2316		- * Set the language for error messages.
2317		- * The default language is English.
2318		- *
2319		- * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
2320		- * Optionally, the language code can be enhanced with a 4-character
2321		- * script annotation and/or a 2-character country annotation.
2322		- * @param string $lang_path Path to the language file directory, with trailing separator (slash)
2323		- * Do not set this from user input!
2324		- *
2325		- * @return bool Returns true if the requested language was loaded, false otherwise.
2326		- */
2327		- public function setLanguage($langcode = 'en', $lang_path = '')
2328		- {
2329		- //Backwards compatibility for renamed language codes
2330		- $renamed_langcodes = [
2331		- 'br' => 'pt_br',
2332		- 'cz' => 'cs',
2333		- 'dk' => 'da',
2334		- 'no' => 'nb',
2335		- 'se' => 'sv',
2336		- 'rs' => 'sr',
2337		- 'tg' => 'tl',
2338		- 'am' => 'hy',
2339		- ];
2340		-
2341		- if (array_key_exists($langcode, $renamed_langcodes)) {
2342		- $langcode = $renamed_langcodes[$langcode];
2343		- }
2344		-
2345		- //Define full set of translatable strings in English
2346		- $PHPMAILER_LANG = [
2347		- 'authenticate' => 'SMTP Error: Could not authenticate.',
2348		- 'buggy_php' => 'Your version of PHP is affected by a bug that may result in corrupted messages.'.
2349		- ' To fix it, switch to sending using SMTP, disable the mail.add_x_header option in'.
2350		- ' your php.ini, switch to MacOS or Linux, or upgrade your PHP to version 7.0.17+ or 7.1.3+.',
2351		- 'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
2352		- 'data_not_accepted' => 'SMTP Error: data not accepted.',
2353		- 'empty_message' => 'Message body empty',
2354		- 'encoding' => 'Unknown encoding: ',
2355		- 'execute' => 'Could not execute: ',
2356		- 'extension_missing' => 'Extension missing: ',
2357		- 'file_access' => 'Could not access file: ',
2358		- 'file_open' => 'File Error: Could not open file: ',
2359		- 'from_failed' => 'The following From address failed: ',
2360		- 'instantiate' => 'Could not instantiate mail function.',
2361		- 'invalid_address' => 'Invalid address: ',
2362		- 'invalid_header' => 'Invalid header name or value',
2363		- 'invalid_hostentry' => 'Invalid hostentry: ',
2364		- 'invalid_host' => 'Invalid host: ',
2365		- 'mailer_not_supported' => ' mailer is not supported.',
2366		- 'provide_address' => 'You must provide at least one recipient email address.',
2367		- 'recipients_failed' => 'SMTP Error: The following recipients failed: ',
2368		- 'signing' => 'Signing Error: ',
2369		- 'smtp_code' => 'SMTP code: ',
2370		- 'smtp_code_ex' => 'Additional SMTP info: ',
2371		- 'smtp_connect_failed' => 'SMTP connect() failed.',
2372		- 'smtp_detail' => 'Detail: ',
2373		- 'smtp_error' => 'SMTP server error: ',
2374		- 'variable_set' => 'Cannot set or reset variable: ',
2375		- ];
2376		- if (empty($lang_path)) {
2377		- //Calculate an absolute path so it can work if CWD is not here
2378		- $lang_path = dirname(__DIR__).DIRECTORY_SEPARATOR.'language'.DIRECTORY_SEPARATOR;
2379		- }
2380		-
2381		- //Validate $langcode
2382		- $foundlang = true;
2383		- $langcode = strtolower($langcode);
2384		- if (
2385		- !preg_match('/^(?P<lang>[a-z]{2})(?P<script>_[a-z]{4})?(?P<country>_[a-z]{2})?$/', $langcode, $matches)
2386		- && $langcode !== 'en'
2387		- ) {
2388		- $foundlang = false;
2389		- $langcode = 'en';
2390		- }
2391		-
2392		- //There is no English translation file
2393		- if ('en' !== $langcode) {
2394		- $langcodes = [];
2395		- if (!empty($matches['script']) && !empty($matches['country'])) {
2396		- $langcodes[] = $matches['lang'].$matches['script'].$matches['country'];
2397		- }
2398		- if (!empty($matches['country'])) {
2399		- $langcodes[] = $matches['lang'].$matches['country'];
2400		- }
2401		- if (!empty($matches['script'])) {
2402		- $langcodes[] = $matches['lang'].$matches['script'];
2403		- }
2404		- $langcodes[] = $matches['lang'];
2405		-
2406		- //Try and find a readable language file for the requested language.
2407		- $foundFile = false;
2408		- foreach ($langcodes as $code) {
2409		- $lang_file = $lang_path.'phpmailer.lang-'.$code.'.php';
2410		- if (static::fileIsAccessible($lang_file)) {
2411		- $foundFile = true;
2412		- break;
2413		- }
2414		- }
2415		-
2416		- if ($foundFile === false) {
2417		- $foundlang = false;
2418		- } else {
2419		- $lines = file($lang_file);
2420		- foreach ($lines as $line) {
2421		- //Translation file lines look like this:
2422		- //$PHPMAILER_LANG['authenticate'] = 'SMTP-Fehler: Authentifizierung fehlgeschlagen.';
2423		- //These files are parsed as text and not PHP so as to avoid the possibility of code injection
2424		- //See https://blog.stevenlevithan.com/archives/match-quoted-string
2425		- $matches = [];
2426		- if (
2427		- preg_match(
2428		- '/^\$PHPMAILER_LANG\[\'([a-z\d_]+)\'\]\s*=\s*(["\'])(.+)*?\2;/',
2429		- $line,
2430		- $matches
2431		- ) &&
2432		- //Ignore unknown translation keys
2433		- array_key_exists($matches[1], $PHPMAILER_LANG)
2434		- ) {
2435		- //Overwrite language-specific strings so we'll never have missing translation keys.
2436		- $PHPMAILER_LANG[$matches[1]] = (string)$matches[3];
2437		- }
2438		- }
2439		- }
2440		- }
2441		- $this->language = $PHPMAILER_LANG;
2442		-
2443		- return $foundlang; //Returns false if language not found
2444		- }
2445		-
2446		- /**
2447		- * Get the array of strings for the current language.
2448		- *
2449		- * @return array
2450		- */
2451		- public function getTranslations()
2452		- {
2453		- if (empty($this->language)) {
2454		- $this->setLanguage(); // Set the default language.
2455		- }
2456		-
2457		- return $this->language;
2458		- }
2459		-
2460		- /**
2461		- * Create recipient headers.
2462		- *
2463		- * @param string $type
2464		- * @param array $addr An array of recipients,
2465		- * where each recipient is a 2-element indexed array with element 0 containing an address
2466		- * and element 1 containing a name, like:
2467		- * [['[email protected]', 'Joe User'], ['[email protected]', 'Zoe User']]
2468		- *
2469		- * @return string
2470		- */
2471		- public function addrAppend($type, $addr)
2472		- {
2473		- $addresses = [];
2474		- foreach ($addr as $address) {
2475		- $addresses[] = $this->addrFormat($address);
2476		- }
2477		-
2478		- return $type.': '.implode(', ', $addresses).static::$LE;
2479		- }
2480		-
2481		- /**
2482		- * Format an address for use in a message header.
2483		- *
2484		- * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name like
2485		- * ['[email protected]', 'Joe User']
2486		- *
2487		- * @return string
2488		- */
2489		- public function addrFormat($addr)
2490		- {
2491		- if (!isset($addr[1]) || ($addr[1] === '')) { //No name provided
2492		- return $this->secureHeader($addr[0]);
2493		- }
2494		-
2495		- return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase').
2496		- ' <'.$this->secureHeader($addr[0]).'>';
2497		- }
2498		-
2499		- /**
2500		- * Word-wrap message.
2501		- * For use with mailers that do not automatically perform wrapping
2502		- * and for quoted-printable encoded messages.
2503		- * Original written by philippe.
2504		- *
2505		- * @param string $message The message to wrap
2506		- * @param int $length The line length to wrap to
2507		- * @param bool $qp_mode Whether to run in Quoted-Printable mode
2508		- *
2509		- * @return string
2510		- */
2511		- public function wrapText($message, $length, $qp_mode = false)
2512		- {
2513		- if ($qp_mode) {
2514		- $soft_break = sprintf(' =%s', static::$LE);
2515		- } else {
2516		- $soft_break = static::$LE;
2517		- }
2518		- //If utf-8 encoding is used, we will need to make sure we don't
2519		- //split multibyte characters when we wrap
2520		- $is_utf8 = static::CHARSET_UTF8 === strtolower($this->CharSet);
2521		- $lelen = strlen(static::$LE);
2522		- $crlflen = strlen(static::$LE);
2523		-
2524		- $message = static::normalizeBreaks($message);
2525		- //Remove a trailing line break
2526		- if (substr($message, -$lelen) === static::$LE) {
2527		- $message = substr($message, 0, -$lelen);
2528		- }
2529		-
2530		- //Split message into lines
2531		- $lines = explode(static::$LE, $message);
2532		- //Message will be rebuilt in here
2533		- $message = '';
2534		- foreach ($lines as $line) {
2535		- $words = explode(' ', $line);
2536		- $buf = '';
2537		- $firstword = true;
2538		- foreach ($words as $word) {
2539		- if ($qp_mode && (strlen($word) > $length)) {
2540		- $space_left = $length - strlen($buf) - $crlflen;
2541		- if (!$firstword) {
2542		- if ($space_left > 20) {
2543		- $len = $space_left;
2544		- if ($is_utf8) {
2545		- $len = $this->utf8CharBoundary($word, $len);
2546		- } elseif ('=' === substr($word, $len - 1, 1)) {
2547		- --$len;
2548		- } elseif ('=' === substr($word, $len - 2, 1)) {
2549		- $len -= 2;
2550		- }
2551		- $part = substr($word, 0, $len);
2552		- $word = substr($word, $len);
2553		- $buf .= ' '.$part;
2554		- $message .= $buf.sprintf('=%s', static::$LE);
2555		- } else {
2556		- $message .= $buf.$soft_break;
2557		- }
2558		- $buf = '';
2559		- }
2560		- while ($word !== '') {
2561		- if ($length <= 0) {
2562		- break;
2563		- }
2564		- $len = $length;
2565		- if ($is_utf8) {
2566		- $len = $this->utf8CharBoundary($word, $len);
2567		- } elseif ('=' === substr($word, $len - 1, 1)) {
2568		- --$len;
2569		- } elseif ('=' === substr($word, $len - 2, 1)) {
2570		- $len -= 2;
2571		- }
2572		- $part = substr($word, 0, $len);
2573		- $word = (string)substr($word, $len);
2574		-
2575		- if ($word !== '') {
2576		- $message .= $part.sprintf('=%s', static::$LE);
2577		- } else {
2578		- $buf = $part;
2579		- }
2580		- }
2581		- } else {
2582		- $buf_o = $buf;
2583		- if (!$firstword) {
2584		- $buf .= ' ';
2585		- }
2586		- $buf .= $word;
2587		-
2588		- if ('' !== $buf_o && strlen($buf) > $length) {
2589		- $message .= $buf_o.$soft_break;
2590		- $buf = $word;
2591		- }
2592		- }
2593		- $firstword = false;
2594		- }
2595		- $message .= $buf.static::$LE;
2596		- }
2597		-
2598		- return $message;
2599		- }
2600		-
2601		- /**
2602		- * Find the last character boundary prior to $maxLength in a utf-8
2603		- * quoted-printable encoded string.
2604		- * Original written by Colin Brown.
2605		- *
2606		- * @param string $encodedText utf-8 QP text
2607		- * @param int $maxLength Find the last character boundary prior to this length
2608		- *
2609		- * @return int
2610		- */
2611		- public function utf8CharBoundary($encodedText, $maxLength)
2612		- {
2613		- $foundSplitPos = false;
2614		- $lookBack = 3;
2615		- while (!$foundSplitPos) {
2616		- $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
2617		- $encodedCharPos = strpos($lastChunk, '=');
2618		- if (false !== $encodedCharPos) {
2619		- //Found start of encoded character byte within $lookBack block.
2620		- //Check the encoded byte value (the 2 chars after the '=')
2621		- $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
2622		- $dec = hexdec($hex);
2623		- if ($dec < 128) {
2624		- //Single byte character.
2625		- //If the encoded char was found at pos 0, it will fit
2626		- //otherwise reduce maxLength to start of the encoded char
2627		- if ($encodedCharPos > 0) {
2628		- $maxLength -= $lookBack - $encodedCharPos;
2629		- }
2630		- $foundSplitPos = true;
2631		- } elseif ($dec >= 192) {
2632		- //First byte of a multi byte character
2633		- //Reduce maxLength to split at start of character
2634		- $maxLength -= $lookBack - $encodedCharPos;
2635		- $foundSplitPos = true;
2636		- } elseif ($dec < 192) {
2637		- //Middle byte of a multi byte character, look further back
2638		- $lookBack += 3;
2639		- }
2640		- } else {
2641		- //No encoded character found
2642		- $foundSplitPos = true;
2643		- }
2644		- }
2645		-
2646		- return $maxLength;
2647		- }
2648		-
2649		- /**
2650		- * Apply word wrapping to the message body.
2651		- * Wraps the message body to the number of chars set in the WordWrap property.
2652		- * You should only do this to plain-text bodies as wrapping HTML tags may break them.
2653		- * This is called automatically by createBody(), so you don't need to call it yourself.
2654		- */
2655		- public function setWordWrap()
2656		- {
2657		- if ($this->WordWrap < 1) {
2658		- return;
2659		- }
2660		-
2661		- switch ($this->message_type) {
2662		- case 'alt':
2663		- case 'alt_inline':
2664		- case 'alt_attach':
2665		- case 'alt_inline_attach':
2666		- $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
2667		- break;
2668		- default:
2669		- $this->Body = $this->wrapText($this->Body, $this->WordWrap);
2670		- break;
2671		- }
2672		- }
2673		-
2674		- /**
2675		- * Assemble message headers.
2676		- *
2677		- * @return string The assembled headers
2678		- */
2679		- public function createHeader()
2680		- {
2681		- $result = '';
2682		-
2683		- $result .= $this->headerLine('Date', '' === $this->MessageDate ? self::rfcDate() : $this->MessageDate);
2684		-
2685		- //The To header is created automatically by mail(), so needs to be omitted here
2686		- if ('mail' !== $this->Mailer) {
2687		- if ($this->SingleTo) {
2688		- foreach ($this->to as $toaddr) {
2689		- $this->SingleToArray[] = $this->addrFormat($toaddr);
2690		- }
2691		- } elseif (count($this->to) > 0) {
2692		- $result .= $this->addrAppend('To', $this->to);
2693		- } elseif (count($this->cc) === 0) {
2694		- $result .= $this->headerLine('To', 'undisclosed-recipients:;');
2695		- }
2696		- }
2697		- $result .= $this->addrAppend('From', [[trim($this->From), $this->FromName]]);
2698		-
2699		- //sendmail and mail() extract Cc from the header before sending
2700		- if (count($this->cc) > 0) {
2701		- $result .= $this->addrAppend('Cc', $this->cc);
2702		- }
2703		-
2704		- //sendmail and mail() extract Bcc from the header before sending
2705		- if (
2706		- (
2707		- 'sendmail' === $this->Mailer || 'qmail' === $this->Mailer || 'mail' === $this->Mailer
2708		- )
2709		- && count($this->bcc) > 0
2710		- ) {
2711		- $result .= $this->addrAppend('Bcc', $this->bcc);
2712		- }
2713		-
2714		- if (count($this->ReplyTo) > 0) {
2715		- $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
2716		- }
2717		-
2718		- //mail() sets the subject itself
2719		- if ('mail' !== $this->Mailer) {
2720		- $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
2721		- }
2722		-
2723		- //Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
2724		- //https://tools.ietf.org/html/rfc5322#section-3.6.4
2725		- if (
2726		- '' !== $this->MessageID &&
2727		- preg_match(
2728		- '/^<((([a-z\d!#$%&\'*+\/=?^_`{|}~-]+(\.[a-z\d!#$%&\'*+\/=?^_`{|}~-]+)*)'.
2729		- '|("(([\x01-\x08\x0B\x0C\x0E-\x1F\x7F]|[\x21\x23-\x5B\x5D-\x7E])'.
2730		- '|(\\[\x01-\x09\x0B\x0C\x0E-\x7F]))*"))@(([a-z\d!#$%&\'*+\/=?^_`{|}~-]+'.
2731		- '(\.[a-z\d!#$%&\'*+\/=?^_`{|}~-]+)*)|(\[(([\x01-\x08\x0B\x0C\x0E-\x1F\x7F]'.
2732		- '|[\x21-\x5A\x5E-\x7E])|(\\[\x01-\x09\x0B\x0C\x0E-\x7F]))*\])))>$/Di',
2733		- $this->MessageID
2734		- )
2735		- ) {
2736		- $this->lastMessageID = $this->MessageID;
2737		- } else {
2738		- $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
2739		- }
2740		- $result .= $this->headerLine('Message-ID', $this->lastMessageID);
2741		- if (null !== $this->Priority) {
2742		- $result .= $this->headerLine('X-Priority', $this->Priority);
2743		- }
2744		- if ('' === $this->XMailer) {
2745		- //Empty string for default X-Mailer header
2746		- $result .= $this->headerLine(
2747		- 'X-Mailer',
2748		- 'PHPMailer '.self::VERSION.' (https://github.com/PHPMailer/PHPMailer)'
2749		- );
2750		- } elseif (is_string($this->XMailer) && trim($this->XMailer) !== '') {
2751		- //Some string
2752		- $result .= $this->headerLine('X-Mailer', trim($this->XMailer));
2753		- } //Other values result in no X-Mailer header
2754		-
2755		- if ('' !== $this->ConfirmReadingTo) {
2756		- $result .= $this->headerLine('Disposition-Notification-To', '<'.$this->ConfirmReadingTo.'>');
2757		- }
2758		-
2759		- //Add custom headers
2760		- foreach ($this->CustomHeader as $header) {
2761		- $result .= $this->headerLine(
2762		- trim($header[0]),
2763		- $this->encodeHeader(trim($header[1]))
2764		- );
2765		- }
2766		- if (!$this->sign_key_file) {
2767		- $result .= $this->headerLine('MIME-Version', '1.0');
2768		- $result .= $this->getMailMIME();
2769		- }
2770		-
2771		- return $result;
2772		- }
2773		-
2774		- /**
2775		- * Get the message MIME type headers.
2776		- *
2777		- * @return string
2778		- */
2779		- public function getMailMIME()
2780		- {
2781		- $result = '';
2782		- $ismultipart = true;
2783		- switch ($this->message_type) {
2784		- case 'inline':
2785		- $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED.';');
2786		- $result .= $this->textLine(' boundary="'.$this->boundary[1].'"');
2787		- break;
2788		- case 'attach':
2789		- case 'inline_attach':
2790		- case 'alt_attach':
2791		- case 'alt_inline_attach':
2792		- $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_MIXED.';');
2793		- $result .= $this->textLine(' boundary="'.$this->boundary[1].'"');
2794		- break;
2795		- case 'alt':
2796		- case 'alt_inline':
2797		- $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.';');
2798		- $result .= $this->textLine(' boundary="'.$this->boundary[1].'"');
2799		- break;
2800		- default:
2801		- //Catches case 'plain': and case '':
2802		- $result .= $this->textLine('Content-Type: '.$this->ContentType.'; charset='.$this->CharSet);
2803		- $ismultipart = false;
2804		- break;
2805		- }
2806		- //RFC1341 part 5 says 7bit is assumed if not specified
2807		- if (static::ENCODING_7BIT !== $this->Encoding) {
2808		- //RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
2809		- if ($ismultipart) {
2810		- if (static::ENCODING_8BIT === $this->Encoding) {
2811		- $result .= $this->headerLine('Content-Transfer-Encoding', static::ENCODING_8BIT);
2812		- }
2813		- //The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
2814		- } else {
2815		- $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
2816		- }
2817		- }
2818		-
2819		- return $result;
2820		- }
2821		-
2822		- /**
2823		- * Returns the whole MIME message.
2824		- * Includes complete headers and body.
2825		- * Only valid post preSend().
2826		- *
2827		- * @return string
2828		- * @see PHPMailer::preSend()
2829		- *
2830		- */
2831		- public function getSentMIMEMessage()
2832		- {
2833		- return static::stripTrailingWSP($this->MIMEHeader.$this->mailHeader).
2834		- static::$LE.static::$LE.$this->MIMEBody;
2835		- }
2836		-
2837		- /**
2838		- * Create a unique ID to use for boundaries.
2839		- *
2840		- * @return string
2841		- */
2842		- protected function generateId()
2843		- {
2844		- $len = 32; //32 bytes = 256 bits
2845		- $bytes = '';
2846		- if (function_exists('random_bytes')) {
2847		- try {
2848		- $bytes = random_bytes($len);
2849		- } catch (\Exception $e) {
2850		- //Do nothing
2851		- }
2852		- } elseif (function_exists('openssl_random_pseudo_bytes')) {
2853		- /** @noinspection CryptographicallySecureRandomnessInspection */
2854		- $bytes = openssl_random_pseudo_bytes($len);
2855		- }
2856		- if ($bytes === '') {
2857		- //We failed to produce a proper random string, so make do.
2858		- //Use a hash to force the length to the same as the other methods
2859		- $bytes = hash('sha256', uniqid((string)mt_rand(), true), true);
2860		- }
2861		-
2862		- //We don't care about messing up base64 format here, just want a random string
2863		- return str_replace(['=', '+', '/'], '', base64_encode(hash('sha256', $bytes, true)));
2864		- }
2865		-
2866		- /**
2867		- * Assemble the message body.
2868		- * Returns an empty string on failure.
2869		- *
2870		- * @return string The assembled message body
2871		- * @throws Exception
2872		- *
2873		- */
2874		- public function createBody()
2875		- {
2876		- $body = '';
2877		- //Create unique IDs and preset boundaries
2878		- $this->setBoundaries();
2879		-
2880		- if ($this->sign_key_file) {
2881		- $body .= $this->getMailMIME().static::$LE;
2882		- }
2883		-
2884		- $this->setWordWrap();
2885		-
2886		- $bodyEncoding = $this->Encoding;
2887		- $bodyCharSet = $this->CharSet;
2888		- //Can we do a 7-bit downgrade?
2889		- if (static::ENCODING_8BIT === $bodyEncoding && !$this->has8bitChars($this->Body)) {
2890		- $bodyEncoding = static::ENCODING_7BIT;
2891		- //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
2892		- $bodyCharSet = static::CHARSET_ASCII;
2893		- }
2894		- //If lines are too long, and we're not already using an encoding that will shorten them,
2895		- //change to quoted-printable transfer encoding for the body part only
2896		- if (static::ENCODING_BASE64 !== $this->Encoding && static::hasLineLongerThanMax($this->Body)) {
2897		- $bodyEncoding = static::ENCODING_QUOTED_PRINTABLE;
2898		- }
2899		-
2900		- $altBodyEncoding = $this->Encoding;
2901		- $altBodyCharSet = $this->CharSet;
2902		- //Can we do a 7-bit downgrade?
2903		- if (static::ENCODING_8BIT === $altBodyEncoding && !$this->has8bitChars($this->AltBody)) {
2904		- $altBodyEncoding = static::ENCODING_7BIT;
2905		- //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
2906		- $altBodyCharSet = static::CHARSET_ASCII;
2907		- }
2908		- //If lines are too long, and we're not already using an encoding that will shorten them,
2909		- //change to quoted-printable transfer encoding for the alt body part only
2910		- if (static::ENCODING_BASE64 !== $altBodyEncoding && static::hasLineLongerThanMax($this->AltBody)) {
2911		- $altBodyEncoding = static::ENCODING_QUOTED_PRINTABLE;
2912		- }
2913		- //Use this as a preamble in all multipart message types
2914		- $mimepre = '';
2915		- switch ($this->message_type) {
2916		- case 'inline':
2917		- $body .= $mimepre;
2918		- $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
2919		- $body .= $this->encodeString($this->Body, $bodyEncoding);
2920		- $body .= static::$LE;
2921		- $body .= $this->attachAll('inline', $this->boundary[1]);
2922		- break;
2923		- case 'attach':
2924		- $body .= $mimepre;
2925		- $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
2926		- $body .= $this->encodeString($this->Body, $bodyEncoding);
2927		- $body .= static::$LE;
2928		- $body .= $this->attachAll('attachment', $this->boundary[1]);
2929		- break;
2930		- case 'inline_attach':
2931		- $body .= $mimepre;
2932		- $body .= $this->textLine('--'.$this->boundary[1]);
2933		- $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED.';');
2934		- $body .= $this->textLine(' boundary="'.$this->boundary[2].'";');
2935		- $body .= $this->textLine(' type="'.static::CONTENT_TYPE_TEXT_HTML.'"');
2936		- $body .= static::$LE;
2937		- $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
2938		- $body .= $this->encodeString($this->Body, $bodyEncoding);
2939		- $body .= static::$LE;
2940		- $body .= $this->attachAll('inline', $this->boundary[2]);
2941		- $body .= static::$LE;
2942		- $body .= $this->attachAll('attachment', $this->boundary[1]);
2943		- break;
2944		- case 'alt':
2945		- $body .= $mimepre;
2946		- $body .= $this->getBoundary(
2947		- $this->boundary[1],
2948		- $altBodyCharSet,
2949		- static::CONTENT_TYPE_PLAINTEXT,
2950		- $altBodyEncoding
2951		- );
2952		- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2953		- $body .= static::$LE;
2954		- $body .= $this->getBoundary(
2955		- $this->boundary[1],
2956		- $bodyCharSet,
2957		- static::CONTENT_TYPE_TEXT_HTML,
2958		- $bodyEncoding
2959		- );
2960		- $body .= $this->encodeString($this->Body, $bodyEncoding);
2961		- $body .= static::$LE;
2962		- if (!empty($this->Ical)) {
2963		- $method = static::ICAL_METHOD_REQUEST;
2964		- foreach (static::$IcalMethods as $imethod) {
2965		- if (stripos($this->Ical, 'METHOD:'.$imethod) !== false) {
2966		- $method = $imethod;
2967		- break;
2968		- }
2969		- }
2970		- $body .= $this->getBoundary(
2971		- $this->boundary[1],
2972		- '',
2973		- static::CONTENT_TYPE_TEXT_CALENDAR.'; method='.$method,
2974		- ''
2975		- );
2976		- $body .= $this->encodeString($this->Ical, $this->Encoding);
2977		- $body .= static::$LE;
2978		- }
2979		- $body .= $this->endBoundary($this->boundary[1]);
2980		- break;
2981		- case 'alt_inline':
2982		- $body .= $mimepre;
2983		- $body .= $this->getBoundary(
2984		- $this->boundary[1],
2985		- $altBodyCharSet,
2986		- static::CONTENT_TYPE_PLAINTEXT,
2987		- $altBodyEncoding
2988		- );
2989		- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2990		- $body .= static::$LE;
2991		- $body .= $this->textLine('--'.$this->boundary[1]);
2992		- $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED.';');
2993		- $body .= $this->textLine(' boundary="'.$this->boundary[2].'";');
2994		- $body .= $this->textLine(' type="'.static::CONTENT_TYPE_TEXT_HTML.'"');
2995		- $body .= static::$LE;
2996		- $body .= $this->getBoundary(
2997		- $this->boundary[2],
2998		- $bodyCharSet,
2999		- static::CONTENT_TYPE_TEXT_HTML,
3000		- $bodyEncoding
3001		- );
3002		- $body .= $this->encodeString($this->Body, $bodyEncoding);
3003		- $body .= static::$LE;
3004		- $body .= $this->attachAll('inline', $this->boundary[2]);
3005		- $body .= static::$LE;
3006		- $body .= $this->endBoundary($this->boundary[1]);
3007		- break;
3008		- case 'alt_attach':
3009		- $body .= $mimepre;
3010		- $body .= $this->textLine('--'.$this->boundary[1]);
3011		- $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.';');
3012		- $body .= $this->textLine(' boundary="'.$this->boundary[2].'"');
3013		- $body .= static::$LE;
3014		- $body .= $this->getBoundary(
3015		- $this->boundary[2],
3016		- $altBodyCharSet,
3017		- static::CONTENT_TYPE_PLAINTEXT,
3018		- $altBodyEncoding
3019		- );
3020		- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
3021		- $body .= static::$LE;
3022		- $body .= $this->getBoundary(
3023		- $this->boundary[2],
3024		- $bodyCharSet,
3025		- static::CONTENT_TYPE_TEXT_HTML,
3026		- $bodyEncoding
3027		- );
3028		- $body .= $this->encodeString($this->Body, $bodyEncoding);
3029		- $body .= static::$LE;
3030		- if (!empty($this->Ical)) {
3031		- $method = static::ICAL_METHOD_REQUEST;
3032		- foreach (static::$IcalMethods as $imethod) {
3033		- if (stripos($this->Ical, 'METHOD:'.$imethod) !== false) {
3034		- $method = $imethod;
3035		- break;
3036		- }
3037		- }
3038		- $body .= $this->getBoundary(
3039		- $this->boundary[2],
3040		- '',
3041		- static::CONTENT_TYPE_TEXT_CALENDAR.'; method='.$method,
3042		- ''
3043		- );
3044		- $body .= $this->encodeString($this->Ical, $this->Encoding);
3045		- }
3046		- $body .= $this->endBoundary($this->boundary[2]);
3047		- $body .= static::$LE;
3048		- $body .= $this->attachAll('attachment', $this->boundary[1]);
3049		- break;
3050		- case 'alt_inline_attach':
3051		- $body .= $mimepre;
3052		- $body .= $this->textLine('--'.$this->boundary[1]);
3053		- $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.';');
3054		- $body .= $this->textLine(' boundary="'.$this->boundary[2].'"');
3055		- $body .= static::$LE;
3056		- $body .= $this->getBoundary(
3057		- $this->boundary[2],
3058		- $altBodyCharSet,
3059		- static::CONTENT_TYPE_PLAINTEXT,
3060		- $altBodyEncoding
3061		- );
3062		- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
3063		- $body .= static::$LE;
3064		- $body .= $this->textLine('--'.$this->boundary[2]);
3065		- $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED.';');
3066		- $body .= $this->textLine(' boundary="'.$this->boundary[3].'";');
3067		- $body .= $this->textLine(' type="'.static::CONTENT_TYPE_TEXT_HTML.'"');
3068		- $body .= static::$LE;
3069		- $body .= $this->getBoundary(
3070		- $this->boundary[3],
3071		- $bodyCharSet,
3072		- static::CONTENT_TYPE_TEXT_HTML,
3073		- $bodyEncoding
3074		- );
3075		- $body .= $this->encodeString($this->Body, $bodyEncoding);
3076		- $body .= static::$LE;
3077		- $body .= $this->attachAll('inline', $this->boundary[3]);
3078		- $body .= static::$LE;
3079		- $body .= $this->endBoundary($this->boundary[2]);
3080		- $body .= static::$LE;
3081		- $body .= $this->attachAll('attachment', $this->boundary[1]);
3082		- break;
3083		- default:
3084		- //Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
3085		- //Reset the `Encoding` property in case we changed it for line length reasons
3086		- $this->Encoding = $bodyEncoding;
3087		- $body .= $this->encodeString($this->Body, $this->Encoding);
3088		- break;
3089		- }
3090		-
3091		- if ($this->isError()) {
3092		- $body = '';
3093		- if ($this->exceptions) {
3094		- throw new Exception($this->lang('empty_message'), self::STOP_CRITICAL);
3095		- }
3096		- } elseif ($this->sign_key_file) {
3097		- try {
3098		- if (!defined('PKCS7_TEXT')) {
3099		- throw new Exception($this->lang('extension_missing').'openssl');
3100		- }
3101		-
3102		- $file = tempnam(sys_get_temp_dir(), 'srcsign');
3103		- $signed = tempnam(sys_get_temp_dir(), 'mailsign');
3104		- file_put_contents($file, $body);
3105		-
3106		- //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
3107		- if (empty($this->sign_extracerts_file)) {
3108		- $sign = @openssl_pkcs7_sign(
3109		- $file,
3110		- $signed,
3111		- 'file://'.realpath($this->sign_cert_file),
3112		- ['file://'.realpath($this->sign_key_file), $this->sign_key_pass],
3113		- []
3114		- );
3115		- } else {
3116		- $sign = @openssl_pkcs7_sign(
3117		- $file,
3118		- $signed,
3119		- 'file://'.realpath($this->sign_cert_file),
3120		- ['file://'.realpath($this->sign_key_file), $this->sign_key_pass],
3121		- [],
3122		- PKCS7_DETACHED,
3123		- $this->sign_extracerts_file
3124		- );
3125		- }
3126		-
3127		- @unlink($file);
3128		- if ($sign) {
3129		- $body = file_get_contents($signed);
3130		- @unlink($signed);
3131		- //The message returned by openssl contains both headers and body, so need to split them up
3132		- $parts = explode("\n\n", $body, 2);
3133		- $this->MIMEHeader .= $parts[0].static::$LE.static::$LE;
3134		- $body = $parts[1];
3135		- } else {
3136		- @unlink($signed);
3137		- throw new Exception($this->lang('signing').openssl_error_string());
3138		- }
3139		- } catch (Exception $exc) {
3140		- $body = '';
3141		- if ($this->exceptions) {
3142		- throw $exc;
3143		- }
3144		- }
3145		- }
3146		-
3147		- return $body;
3148		- }
3149		-
3150		- /**
3151		- * Get the boundaries that this message will use
3152		- * @return array
3153		- */
3154		- public function getBoundaries()
3155		- {
3156		- if (empty($this->boundary)) {
3157		- $this->setBoundaries();
3158		- }
3159		-
3160		- return $this->boundary;
3161		- }
3162		-
3163		- /**
3164		- * Return the start of a message boundary.
3165		- *
3166		- * @param string $boundary
3167		- * @param string $charSet
3168		- * @param string $contentType
3169		- * @param string $encoding
3170		- *
3171		- * @return string
3172		- */
3173		- protected function getBoundary($boundary, $charSet, $contentType, $encoding)
3174		- {
3175		- $result = '';
3176		- if ('' === $charSet) {
3177		- $charSet = $this->CharSet;
3178		- }
3179		- if ('' === $contentType) {
3180		- $contentType = $this->ContentType;
3181		- }
3182		- if ('' === $encoding) {
3183		- $encoding = $this->Encoding;
3184		- }
3185		- $result .= $this->textLine('--'.$boundary);
3186		- $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
3187		- $result .= static::$LE;
3188		- //RFC1341 part 5 says 7bit is assumed if not specified
3189		- if (static::ENCODING_7BIT !== $encoding) {
3190		- $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
3191		- }
3192		- $result .= static::$LE;
3193		-
3194		- return $result;
3195		- }
3196		-
3197		- /**
3198		- * Return the end of a message boundary.
3199		- *
3200		- * @param string $boundary
3201		- *
3202		- * @return string
3203		- */
3204		- protected function endBoundary($boundary)
3205		- {
3206		- return static::$LE.'--'.$boundary.'--'.static::$LE;
3207		- }
3208		-
3209		- /**
3210		- * Set the message type.
3211		- * PHPMailer only supports some preset message types, not arbitrary MIME structures.
3212		- */
3213		- protected function setMessageType()
3214		- {
3215		- $type = [];
3216		- if ($this->alternativeExists()) {
3217		- $type[] = 'alt';
3218		- }
3219		- if ($this->inlineImageExists()) {
3220		- $type[] = 'inline';
3221		- }
3222		- if ($this->attachmentExists()) {
3223		- $type[] = 'attach';
3224		- }
3225		- $this->message_type = implode('_', $type);
3226		- if ('' === $this->message_type) {
3227		- //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
3228		- $this->message_type = 'plain';
3229		- }
3230		- }
3231		-
3232		- /**
3233		- * Format a header line.
3234		- *
3235		- * @param string $name
3236		- * @param string|int $value
3237		- *
3238		- * @return string
3239		- */
3240		- public function headerLine($name, $value)
3241		- {
3242		- return $name.': '.$value.static::$LE;
3243		- }
3244		-
3245		- /**
3246		- * Return a formatted mail line.
3247		- *
3248		- * @param string $value
3249		- *
3250		- * @return string
3251		- */
3252		- public function textLine($value)
3253		- {
3254		- return $value.static::$LE;
3255		- }
3256		-
3257		- /**
3258		- * Add an attachment from a path on the filesystem.
3259		- * Never use a user-supplied path to a file!
3260		- * Returns false if the file could not be found or read.
3261		- * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
3262		- * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
3263		- *
3264		- * @param string $path Path to the attachment
3265		- * @param string $name Overrides the attachment name
3266		- * @param string $encoding File encoding (see $Encoding)
3267		- * @param string $type MIME type, e.g. `image/jpeg`; determined automatically from $path if not specified
3268		- * @param string $disposition Disposition to use
3269		- *
3270		- * @return bool
3271		- * @throws Exception
3272		- *
3273		- */
3274		- public function addAttachment(
3275		- $path,
3276		- $name = '',
3277		- $encoding = self::ENCODING_BASE64,
3278		- $type = '',
3279		- $disposition = 'attachment'
3280		- ) {
3281		- try {
3282		- if (!static::fileIsAccessible($path)) {
3283		- throw new Exception($this->lang('file_access').$path, self::STOP_CONTINUE);
3284		- }
3285		-
3286		- //If a MIME type is not specified, try to work it out from the file name
3287		- if ('' === $type) {
3288		- $type = static::filenameToType($path);
3289		- }
3290		-
3291		- $filename = (string)static::mb_pathinfo($path, PATHINFO_BASENAME);
3292		- if ('' === $name) {
3293		- $name = $filename;
3294		- }
3295		- if (!$this->validateEncoding($encoding)) {
3296		- throw new Exception($this->lang('encoding').$encoding);
3297		- }
3298		-
3299		- $this->attachment[] = [
3300		- 0 => $path,
3301		- 1 => $filename,
3302		- 2 => $name,
3303		- 3 => $encoding,
3304		- 4 => $type,
3305		- 5 => false, //isStringAttachment
3306		- 6 => $disposition,
3307		- 7 => $name,
3308		- ];
3309		- } catch (Exception $exc) {
3310		- $this->setError($exc->getMessage());
3311		- $this->edebug($exc->getMessage());
3312		- if ($this->exceptions) {
3313		- throw $exc;
3314		- }
3315		-
3316		- return false;
3317		- }
3318		-
3319		- return true;
3320		- }
3321		-
3322		- /**
3323		- * Return the array of attachments.
3324		- *
3325		- * @return array
3326		- */
3327		- public function getAttachments()
3328		- {
3329		- return $this->attachment;
3330		- }
3331		-
3332		- /**
3333		- * Attach all file, string, and binary attachments to the message.
3334		- * Returns an empty string on failure.
3335		- *
3336		- * @param string $disposition_type
3337		- * @param string $boundary
3338		- *
3339		- * @return string
3340		- * @throws Exception
3341		- *
3342		- */
3343		- protected function attachAll($disposition_type, $boundary)
3344		- {
3345		- //Return text of body
3346		- $mime = [];
3347		- $cidUniq = [];
3348		- $incl = [];
3349		-
3350		- //Add all attachments
3351		- foreach ($this->attachment as $attachment) {
3352		- //Check if it is a valid disposition_filter
3353		- if ($attachment[6] === $disposition_type) {
3354		- //Check for string attachment
3355		- $string = '';
3356		- $path = '';
3357		- $bString = $attachment[5];
3358		- if ($bString) {
3359		- $string = $attachment[0];
3360		- } else {
3361		- $path = $attachment[0];
3362		- }
3363		-
3364		- $inclhash = hash('sha256', serialize($attachment));
3365		- if (in_array($inclhash, $incl, true)) {
3366		- continue;
3367		- }
3368		- $incl[] = $inclhash;
3369		- $name = $attachment[2];
3370		- $encoding = $attachment[3];
3371		- $type = $attachment[4];
3372		- $disposition = $attachment[6];
3373		- $cid = $attachment[7];
3374		- if ('inline' === $disposition && array_key_exists($cid, $cidUniq)) {
3375		- continue;
3376		- }
3377		- $cidUniq[$cid] = true;
3378		-
3379		- $mime[] = sprintf('--%s%s', $boundary, static::$LE);
3380		- //Only include a filename property if we have one
3381		- if (!empty($name)) {
3382		- $mime[] = sprintf(
3383		- 'Content-Type: %s; name=%s%s',
3384		- $type,
3385		- static::quotedString($this->encodeHeader($this->secureHeader($name))),
3386		- static::$LE
3387		- );
3388		- } else {
3389		- $mime[] = sprintf(
3390		- 'Content-Type: %s%s',
3391		- $type,
3392		- static::$LE
3393		- );
3394		- }
3395		- //RFC1341 part 5 says 7bit is assumed if not specified
3396		- if (static::ENCODING_7BIT !== $encoding) {
3397		- $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, static::$LE);
3398		- }
3399		-
3400		- //Only set Content-IDs on inline attachments
3401		- if ((string)$cid !== '' && $disposition === 'inline') {
3402		- $mime[] = 'Content-ID: <'.$this->encodeHeader($this->secureHeader($cid)).'>'.static::$LE;
3403		- }
3404		-
3405		- //Allow for bypassing the Content-Disposition header
3406		- if (!empty($disposition)) {
3407		- $encoded_name = $this->encodeHeader($this->secureHeader($name));
3408		- if (!empty($encoded_name)) {
3409		- $mime[] = sprintf(
3410		- 'Content-Disposition: %s; filename=%s%s',
3411		- $disposition,
3412		- static::quotedString($encoded_name),
3413		- static::$LE.static::$LE
3414		- );
3415		- } else {
3416		- $mime[] = sprintf(
3417		- 'Content-Disposition: %s%s',
3418		- $disposition,
3419		- static::$LE.static::$LE
3420		- );
3421		- }
3422		- } else {
3423		- $mime[] = static::$LE;
3424		- }
3425		-
3426		- //Encode as string attachment
3427		- if ($bString) {
3428		- $mime[] = $this->encodeString($string, $encoding);
3429		- } else {
3430		- $mime[] = $this->encodeFile($path, $encoding);
3431		- }
3432		- if ($this->isError()) {
3433		- return '';
3434		- }
3435		- $mime[] = static::$LE;
3436		- }
3437		- }
3438		-
3439		- $mime[] = sprintf('--%s--%s', $boundary, static::$LE);
3440		-
3441		- return implode('', $mime);
3442		- }
3443		-
3444		- /**
3445		- * Encode a file attachment in requested format.
3446		- * Returns an empty string on failure.
3447		- *
3448		- * @param string $path The full path to the file
3449		- * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
3450		- *
3451		- * @return string
3452		- */
3453		- protected function encodeFile($path, $encoding = self::ENCODING_BASE64)
3454		- {
3455		- try {
3456		- if (!static::fileIsAccessible($path)) {
3457		- throw new Exception($this->lang('file_open').$path, self::STOP_CONTINUE);
3458		- }
3459		- $file_buffer = file_get_contents($path);
3460		- if (false === $file_buffer) {
3461		- throw new Exception($this->lang('file_open').$path, self::STOP_CONTINUE);
3462		- }
3463		- $file_buffer = $this->encodeString($file_buffer, $encoding);
3464		-
3465		- return $file_buffer;
3466		- } catch (Exception $exc) {
3467		- $this->setError($exc->getMessage());
3468		- $this->edebug($exc->getMessage());
3469		- if ($this->exceptions) {
3470		- throw $exc;
3471		- }
3472		-
3473		- return '';
3474		- }
3475		- }
3476		-
3477		- /**
3478		- * Encode a string in requested format.
3479		- * Returns an empty string on failure.
3480		- *
3481		- * @param string $str The text to encode
3482		- * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
3483		- *
3484		- * @return string
3485		- * @throws Exception
3486		- *
3487		- */
3488		- public function encodeString($str, $encoding = self::ENCODING_BASE64)
3489		- {
3490		- $encoded = '';
3491		- switch (strtolower($encoding)) {
3492		- case static::ENCODING_BASE64:
3493		- $encoded = chunk_split(
3494		- base64_encode($str),
3495		- static::STD_LINE_LENGTH,
3496		- static::$LE
3497		- );
3498		- break;
3499		- case static::ENCODING_7BIT:
3500		- case static::ENCODING_8BIT:
3501		- $encoded = static::normalizeBreaks($str);
3502		- //Make sure it ends with a line break
3503		- if (substr($encoded, -(strlen(static::$LE))) !== static::$LE) {
3504		- $encoded .= static::$LE;
3505		- }
3506		- break;
3507		- case static::ENCODING_BINARY:
3508		- $encoded = $str;
3509		- break;
3510		- case static::ENCODING_QUOTED_PRINTABLE:
3511		- $encoded = $this->encodeQP($str);
3512		- break;
3513		- default:
3514		- $this->setError($this->lang('encoding').$encoding);
3515		- if ($this->exceptions) {
3516		- throw new Exception($this->lang('encoding').$encoding);
3517		- }
3518		- break;
3519		- }
3520		-
3521		- return $encoded;
3522		- }
3523		-
3524		- /**
3525		- * Encode a header value (not including its label) optimally.
3526		- * Picks shortest of Q, B, or none. Result includes folding if needed.
3527		- * See RFC822 definitions for phrase, comment and text positions.
3528		- *
3529		- * @param string $str The header value to encode
3530		- * @param string $position What context the string will be used in
3531		- *
3532		- * @return string
3533		- */
3534		- public function encodeHeader($str, $position = 'text')
3535		- {
3536		- $matchcount = 0;
3537		- switch (strtolower($position)) {
3538		- case 'phrase':
3539		- if (!preg_match('/[\200-\377]/', $str)) {
3540		- //Can't use addslashes as we don't know the value of magic_quotes_sybase
3541		- $encoded = addcslashes($str, "\0..\37\177\\\"");
3542		- if (($str === $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
3543		- return $encoded;
3544		- }
3545		-
3546		- return "\"$encoded\"";
3547		- }
3548		- $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
3549		- break;
3550		- /* @noinspection PhpMissingBreakStatementInspection */
3551		- case 'comment':
3552		- $matchcount = preg_match_all('/[()"]/', $str, $matches);
3553		- //fallthrough
3554		- case 'text':
3555		- default:
3556		- $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
3557		- break;
3558		- }
3559		-
3560		- if ($this->has8bitChars($str)) {
3561		- $charset = $this->CharSet;
3562		- } else {
3563		- $charset = static::CHARSET_ASCII;
3564		- }
3565		-
3566		- //Q/B encoding adds 8 chars and the charset ("` =?<charset>?[QB]?<content>?=`").
3567		- $overhead = 8 + strlen($charset);
3568		-
3569		- if ('mail' === $this->Mailer) {
3570		- $maxlen = static::MAIL_MAX_LINE_LENGTH - $overhead;
3571		- } else {
3572		- $maxlen = static::MAX_LINE_LENGTH - $overhead;
3573		- }
3574		-
3575		- //Select the encoding that produces the shortest output and/or prevents corruption.
3576		- if ($matchcount > strlen($str) / 3) {
3577		- //More than 1/3 of the content needs encoding, use B-encode.
3578		- $encoding = 'B';
3579		- } elseif ($matchcount > 0) {
3580		- //Less than 1/3 of the content needs encoding, use Q-encode.
3581		- $encoding = 'Q';
3582		- } elseif (strlen($str) > $maxlen) {
3583		- //No encoding needed, but value exceeds max line length, use Q-encode to prevent corruption.
3584		- $encoding = 'Q';
3585		- } else {
3586		- //No reformatting needed
3587		- $encoding = false;
3588		- }
3589		-
3590		- switch ($encoding) {
3591		- case 'B':
3592		- if ($this->hasMultiBytes($str)) {
3593		- //Use a custom function which correctly encodes and wraps long
3594		- //multibyte strings without breaking lines within a character
3595		- $encoded = $this->base64EncodeWrapMB($str, "\n");
3596		- } else {
3597		- $encoded = base64_encode($str);
3598		- $maxlen -= $maxlen % 4;
3599		- $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
3600		- }
3601		- $encoded = preg_replace('/^(.*)$/m', ' =?'.$charset."?$encoding?\\1?=", $encoded);
3602		- break;
3603		- case 'Q':
3604		- $encoded = $this->encodeQ($str, $position);
3605		- $encoded = $this->wrapText($encoded, $maxlen, true);
3606		- $encoded = str_replace('='.static::$LE, "\n", trim($encoded));
3607		- $encoded = preg_replace('/^(.*)$/m', ' =?'.$charset."?$encoding?\\1?=", $encoded);
3608		- break;
3609		- default:
3610		- return $str;
3611		- }
3612		-
3613		- return trim(static::normalizeBreaks($encoded));
3614		- }
3615		-
3616		- /**
3617		- * Check if a string contains multi-byte characters.
3618		- *
3619		- * @param string $str multi-byte text to wrap encode
3620		- *
3621		- * @return bool
3622		- */
3623		- public function hasMultiBytes($str)
3624		- {
3625		- if (function_exists('mb_strlen')) {
3626		- return strlen($str) > mb_strlen($str, $this->CharSet);
3627		- }
3628		-
3629		- //Assume no multibytes (we can't handle without mbstring functions anyway)
3630		- return false;
3631		- }
3632		-
3633		- /**
3634		- * Does a string contain any 8-bit chars (in any charset)?
3635		- *
3636		- * @param string $text
3637		- *
3638		- * @return bool
3639		- */
3640		- public function has8bitChars($text)
3641		- {
3642		- return (bool)preg_match('/[\x80-\xFF]/', $text);
3643		- }
3644		-
3645		- /**
3646		- * Encode and wrap long multibyte strings for mail headers
3647		- * without breaking lines within a character.
3648		- * Adapted from a function by paravoid.
3649		- *
3650		- * @see https://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
3651		- *
3652		- * @param string $str multi-byte text to wrap encode
3653		- * @param string $linebreak string to use as linefeed/end-of-line
3654		- *
3655		- * @return string
3656		- */
3657		- public function base64EncodeWrapMB($str, $linebreak = null)
3658		- {
3659		- $start = '=?'.$this->CharSet.'?B?';
3660		- $end = '?=';
3661		- $encoded = '';
3662		- if (null === $linebreak) {
3663		- $linebreak = static::$LE;
3664		- }
3665		-
3666		- $mb_length = mb_strlen($str, $this->CharSet);
3667		- //Each line must have length <= 75, including $start and $end
3668		- $length = 75 - strlen($start) - strlen($end);
3669		- //Average multi-byte ratio
3670		- $ratio = $mb_length / strlen($str);
3671		- //Base64 has a 4:3 ratio
3672		- $avgLength = floor($length * $ratio * .75);
3673		-
3674		- $offset = 0;
3675		- for ($i = 0; $i < $mb_length; $i += $offset) {
3676		- $lookBack = 0;
3677		- do {
3678		- $offset = $avgLength - $lookBack;
3679		- $chunk = mb_substr($str, $i, $offset, $this->CharSet);
3680		- $chunk = base64_encode($chunk);
3681		- ++$lookBack;
3682		- } while (strlen($chunk) > $length);
3683		- $encoded .= $chunk.$linebreak;
3684		- }
3685		-
3686		- //Chomp the last linefeed
3687		- return substr($encoded, 0, -strlen($linebreak));
3688		- }
3689		-
3690		- /**
3691		- * Encode a string in quoted-printable format.
3692		- * According to RFC2045 section 6.7.
3693		- *
3694		- * @param string $string The text to encode
3695		- *
3696		- * @return string
3697		- */
3698		- public function encodeQP($string)
3699		- {
3700		- return static::normalizeBreaks(quoted_printable_encode($string));
3701		- }
3702		-
3703		- /**
3704		- * Encode a string using Q encoding.
3705		- *
3706		- * @see https://www.rfc-editor.org/rfc/rfc2047#section-4.2
3707		- *
3708		- * @param string $str the text to encode
3709		- * @param string $position Where the text is going to be used, see the RFC for what that means
3710		- *
3711		- * @return string
3712		- */
3713		- public function encodeQ($str, $position = 'text')
3714		- {
3715		- //There should not be any EOL in the string
3716		- $pattern = '';
3717		- $encoded = str_replace(["\r", "\n"], '', $str);
3718		- switch (strtolower($position)) {
3719		- case 'phrase':
3720		- //RFC 2047 section 5.3
3721		- $pattern = '^A-Za-z0-9!*+\/ -';
3722		- break;
3723		- /*
3724		- * RFC 2047 section 5.2.
3725		- * Build $pattern without including delimiters and []
3726		- */
3727		- /* @noinspection PhpMissingBreakStatementInspection */
3728		- case 'comment':
3729		- $pattern = '\(\)"';
3730		- /* Intentional fall through */
3731		- case 'text':
3732		- default:
3733		- //RFC 2047 section 5.1
3734		- //Replace every high ascii, control, =, ? and _ characters
3735		- $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377'.$pattern;
3736		- break;
3737		- }
3738		- $matches = [];
3739		- if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
3740		- //If the string contains an '=', make sure it's the first thing we replace
3741		- //so as to avoid double-encoding
3742		- $eqkey = array_search('=', $matches[0], true);
3743		- if (false !== $eqkey) {
3744		- unset($matches[0][$eqkey]);
3745		- array_unshift($matches[0], '=');
3746		- }
3747		- foreach (array_unique($matches[0]) as $char) {
3748		- $encoded = str_replace($char, '='.sprintf('%02X', ord($char)), $encoded);
3749		- }
3750		- }
3751		- //Replace spaces with _ (more readable than =20)
3752		- //RFC 2047 section 4.2(2)
3753		- return str_replace(' ', '_', $encoded);
3754		- }
3755		-
3756		- /**
3757		- * Add a string or binary attachment (non-filesystem).
3758		- * This method can be used to attach ascii or binary data,
3759		- * such as a BLOB record from a database.
3760		- *
3761		- * @param string $string String attachment data
3762		- * @param string $filename Name of the attachment
3763		- * @param string $encoding File encoding (see $Encoding)
3764		- * @param string $type File extension (MIME) type
3765		- * @param string $disposition Disposition to use
3766		- *
3767		- * @return bool True on successfully adding an attachment
3768		- * @throws Exception
3769		- *
3770		- */
3771		- public function addStringAttachment(
3772		- $string,
3773		- $filename,
3774		- $encoding = self::ENCODING_BASE64,
3775		- $type = '',
3776		- $disposition = 'attachment'
3777		- ) {
3778		- try {
3779		- //If a MIME type is not specified, try to work it out from the file name
3780		- if ('' === $type) {
3781		- $type = static::filenameToType($filename);
3782		- }
3783		-
3784		- if (!$this->validateEncoding($encoding)) {
3785		- throw new Exception($this->lang('encoding').$encoding);
3786		- }
3787		-
3788		- //Append to $attachment array
3789		- $this->attachment[] = [
3790		- 0 => $string,
3791		- 1 => $filename,
3792		- 2 => static::mb_pathinfo($filename, PATHINFO_BASENAME),
3793		- 3 => $encoding,
3794		- 4 => $type,
3795		- 5 => true, //isStringAttachment
3796		- 6 => $disposition,
3797		- 7 => 0,
3798		- ];
3799		- } catch (Exception $exc) {
3800		- $this->setError($exc->getMessage());
3801		- $this->edebug($exc->getMessage());
3802		- if ($this->exceptions) {
3803		- throw $exc;
3804		- }
3805		-
3806		- return false;
3807		- }
3808		-
3809		- return true;
3810		- }
3811		-
3812		- /**
3813		- * Add an embedded (inline) attachment from a file.
3814		- * This can include images, sounds, and just about any other document type.
3815		- * These differ from 'regular' attachments in that they are intended to be
3816		- * displayed inline with the message, not just attached for download.
3817		- * This is used in HTML messages that embed the images
3818		- * the HTML refers to using the `$cid` value in `img` tags, for example `<img src="cid:mylogo">`.
3819		- * Never use a user-supplied path to a file!
3820		- *
3821		- * @param string $path Path to the attachment
3822		- * @param string $cid Content ID of the attachment; Use this to reference
3823		- * the content when using an embedded image in HTML
3824		- * @param string $name Overrides the attachment filename
3825		- * @param string $encoding File encoding (see $Encoding) defaults to `base64`
3826		- * @param string $type File MIME type (by default mapped from the `$path` filename's extension)
3827		- * @param string $disposition Disposition to use: `inline` (default) or `attachment`
3828		- * (unlikely you want this – {@see `addAttachment()`} instead)
3829		- *
3830		- * @return bool True on successfully adding an attachment
3831		- * @throws Exception
3832		- *
3833		- */
3834		- public function addEmbeddedImage(
3835		- $path,
3836		- $cid,
3837		- $name = '',
3838		- $encoding = self::ENCODING_BASE64,
3839		- $type = '',
3840		- $disposition = 'inline'
3841		- ) {
3842		- try {
3843		- if (!static::fileIsAccessible($path)) {
3844		- throw new Exception($this->lang('file_access').$path, self::STOP_CONTINUE);
3845		- }
3846		-
3847		- //If a MIME type is not specified, try to work it out from the file name
3848		- if ('' === $type) {
3849		- $type = static::filenameToType($path);
3850		- }
3851		-
3852		- if (!$this->validateEncoding($encoding)) {
3853		- throw new Exception($this->lang('encoding').$encoding);
3854		- }
3855		-
3856		- $filename = (string)static::mb_pathinfo($path, PATHINFO_BASENAME);
3857		- if ('' === $name) {
3858		- $name = $filename;
3859		- }
3860		-
3861		- //Append to $attachment array
3862		- $this->attachment[] = [
3863		- 0 => $path,
3864		- 1 => $filename,
3865		- 2 => $name,
3866		- 3 => $encoding,
3867		- 4 => $type,
3868		- 5 => false, //isStringAttachment
3869		- 6 => $disposition,
3870		- 7 => $cid,
3871		- ];
3872		- } catch (Exception $exc) {
3873		- $this->setError($exc->getMessage());
3874		- $this->edebug($exc->getMessage());
3875		- if ($this->exceptions) {
3876		- throw $exc;
3877		- }
3878		-
3879		- return false;
3880		- }
3881		-
3882		- return true;
3883		- }
3884		-
3885		- /**
3886		- * Add an embedded stringified attachment.
3887		- * This can include images, sounds, and just about any other document type.
3888		- * If your filename doesn't contain an extension, be sure to set the $type to an appropriate MIME type.
3889		- *
3890		- * @param string $string The attachment binary data
3891		- * @param string $cid Content ID of the attachment; Use this to reference
3892		- * the content when using an embedded image in HTML
3893		- * @param string $name A filename for the attachment. If this contains an extension,
3894		- * PHPMailer will attempt to set a MIME type for the attachment.
3895		- * For example 'file.jpg' would get an 'image/jpeg' MIME type.
3896		- * @param string $encoding File encoding (see $Encoding), defaults to 'base64'
3897		- * @param string $type MIME type - will be used in preference to any automatically derived type
3898		- * @param string $disposition Disposition to use
3899		- *
3900		- * @return bool True on successfully adding an attachment
3901		- * @throws Exception
3902		- *
3903		- */
3904		- public function addStringEmbeddedImage(
3905		- $string,
3906		- $cid,
3907		- $name = '',
3908		- $encoding = self::ENCODING_BASE64,
3909		- $type = '',
3910		- $disposition = 'inline'
3911		- ) {
3912		- try {
3913		- //If a MIME type is not specified, try to work it out from the name
3914		- if ('' === $type && !empty($name)) {
3915		- $type = static::filenameToType($name);
3916		- }
3917		-
3918		- if (!$this->validateEncoding($encoding)) {
3919		- throw new Exception($this->lang('encoding').$encoding);
3920		- }
3921		-
3922		- //Append to $attachment array
3923		- $this->attachment[] = [
3924		- 0 => $string,
3925		- 1 => $name,
3926		- 2 => $name,
3927		- 3 => $encoding,
3928		- 4 => $type,
3929		- 5 => true, //isStringAttachment
3930		- 6 => $disposition,
3931		- 7 => $cid,
3932		- ];
3933		- } catch (Exception $exc) {
3934		- $this->setError($exc->getMessage());
3935		- $this->edebug($exc->getMessage());
3936		- if ($this->exceptions) {
3937		- throw $exc;
3938		- }
3939		-
3940		- return false;
3941		- }
3942		-
3943		- return true;
3944		- }
3945		-
3946		- /**
3947		- * Validate encodings.
3948		- *
3949		- * @param string $encoding
3950		- *
3951		- * @return bool
3952		- */
3953		- protected function validateEncoding($encoding)
3954		- {
3955		- return in_array(
3956		- $encoding,
3957		- [
3958		- self::ENCODING_7BIT,
3959		- self::ENCODING_QUOTED_PRINTABLE,
3960		- self::ENCODING_BASE64,
3961		- self::ENCODING_8BIT,
3962		- self::ENCODING_BINARY,
3963		- ],
3964		- true
3965		- );
3966		- }
3967		-
3968		- /**
3969		- * Check if an embedded attachment is present with this cid.
3970		- *
3971		- * @param string $cid
3972		- *
3973		- * @return bool
3974		- */
3975		- protected function cidExists($cid)
3976		- {
3977		- foreach ($this->attachment as $attachment) {
3978		- if ('inline' === $attachment[6] && $cid === $attachment[7]) {
3979		- return true;
3980		- }
3981		- }
3982		-
3983		- return false;
3984		- }
3985		-
3986		- /**
3987		- * Check if an inline attachment is present.
3988		- *
3989		- * @return bool
3990		- */
3991		- public function inlineImageExists()
3992		- {
3993		- foreach ($this->attachment as $attachment) {
3994		- if ('inline' === $attachment[6]) {
3995		- return true;
3996		- }
3997		- }
3998		-
3999		- return false;
4000		- }
4001		-
4002		- /**
4003		- * Check if an attachment (non-inline) is present.
4004		- *
4005		- * @return bool
4006		- */
4007		- public function attachmentExists()
4008		- {
4009		- foreach ($this->attachment as $attachment) {
4010		- if ('attachment' === $attachment[6]) {
4011		- return true;
4012		- }
4013		- }
4014		-
4015		- return false;
4016		- }
4017		-
4018		- /**
4019		- * Check if this message has an alternative body set.
4020		- *
4021		- * @return bool
4022		- */
4023		- public function alternativeExists()
4024		- {
4025		- return !empty($this->AltBody);
4026		- }
4027		-
4028		- /**
4029		- * Clear queued addresses of given kind.
4030		- *
4031		- * @param string $kind 'to', 'cc', or 'bcc'
4032		- */
4033		- public function clearQueuedAddresses($kind)
4034		- {
4035		- $this->RecipientsQueue = array_filter(
4036		- $this->RecipientsQueue,
4037		- static function ($params) use ($kind) {
4038		- return $params[0] !== $kind;
4039		- }
4040		- );
4041		- }
4042		-
4043		- /**
4044		- * Clear all To recipients.
4045		- */
4046		- public function clearAddresses()
4047		- {
4048		- foreach ($this->to as $to) {
4049		- unset($this->all_recipients[strtolower($to[0])]);
4050		- }
4051		- $this->to = [];
4052		- $this->clearQueuedAddresses('to');
4053		- }
4054		-
4055		- /**
4056		- * Clear all CC recipients.
4057		- */
4058		- public function clearCCs()
4059		- {
4060		- foreach ($this->cc as $cc) {
4061		- unset($this->all_recipients[strtolower($cc[0])]);
4062		- }
4063		- $this->cc = [];
4064		- $this->clearQueuedAddresses('cc');
4065		- }
4066		-
4067		- /**
4068		- * Clear all BCC recipients.
4069		- */
4070		- public function clearBCCs()
4071		- {
4072		- foreach ($this->bcc as $bcc) {
4073		- unset($this->all_recipients[strtolower($bcc[0])]);
4074		- }
4075		- $this->bcc = [];
4076		- $this->clearQueuedAddresses('bcc');
4077		- }
4078		-
4079		- /**
4080		- * Clear all ReplyTo recipients.
4081		- */
4082		- public function clearReplyTos()
4083		- {
4084		- $this->ReplyTo = [];
4085		- $this->ReplyToQueue = [];
4086		- }
4087		-
4088		- /**
4089		- * Clear all recipient types.
4090		- */
4091		- public function clearAllRecipients()
4092		- {
4093		- $this->to = [];
4094		- $this->cc = [];
4095		- $this->bcc = [];
4096		- $this->all_recipients = [];
4097		- $this->RecipientsQueue = [];
4098		- }
4099		-
4100		- /**
4101		- * Clear all filesystem, string, and binary attachments.
4102		- */
4103		- public function clearAttachments()
4104		- {
4105		- $this->attachment = [];
4106		- }
4107		-
4108		- /**
4109		- * Clear all custom headers.
4110		- */
4111		- public function clearCustomHeaders()
4112		- {
4113		- $this->CustomHeader = [];
4114		- }
4115		-
4116		- /**
4117		- * Clear a specific custom header by name or name and value.
4118		- * $name value can be overloaded to contain
4119		- * both header name and value (name:value).
4120		- *
4121		- * @param string $name Custom header name
4122		- * @param string|null $value Header value
4123		- *
4124		- * @return bool True if a header was replaced successfully
4125		- */
4126		- public function clearCustomHeader($name, $value = null)
4127		- {
4128		- if (null === $value && strpos($name, ':') !== false) {
4129		- //Value passed in as name:value
4130		- [$name, $value] = explode(':', $name, 2);
4131		- }
4132		- $name = trim($name);
4133		- $value = (null === $value) ? null : trim($value);
4134		-
4135		- foreach ($this->CustomHeader as $k => $pair) {
4136		- if ($pair[0] == $name) {
4137		- // We remove the header if the value is not provided or it matches.
4138		- if (null === $value || $pair[1] == $value) {
4139		- unset($this->CustomHeader[$k]);
4140		- }
4141		- }
4142		- }
4143		-
4144		- return true;
4145		- }
4146		-
4147		- /**
4148		- * Replace a custom header.
4149		- * $name value can be overloaded to contain
4150		- * both header name and value (name:value).
4151		- *
4152		- * @param string $name Custom header name
4153		- * @param string|null $value Header value
4154		- *
4155		- * @return bool True if a header was replaced successfully
4156		- * @throws Exception
4157		- */
4158		- public function replaceCustomHeader($name, $value = null)
4159		- {
4160		- if (null === $value && strpos($name, ':') !== false) {
4161		- //Value passed in as name:value
4162		- [$name, $value] = explode(':', $name, 2);
4163		- }
4164		- $name = trim($name);
4165		- $value = (null === $value) ? '' : trim($value);
4166		-
4167		- $replaced = false;
4168		- foreach ($this->CustomHeader as $k => $pair) {
4169		- if ($pair[0] == $name) {
4170		- if ($replaced) {
4171		- unset($this->CustomHeader[$k]);
4172		- continue;
4173		- }
4174		- if (strpbrk($name.$value, "\r\n") !== false) {
4175		- if ($this->exceptions) {
4176		- throw new Exception($this->lang('invalid_header'));
4177		- }
4178		-
4179		- return false;
4180		- }
4181		- $this->CustomHeader[$k] = [$name, $value];
4182		- $replaced = true;
4183		- }
4184		- }
4185		-
4186		- return true;
4187		- }
4188		-
4189		- /**
4190		- * Add an error message to the error container.
4191		- *
4192		- * @param string $msg
4193		- */
4194		- protected function setError($msg)
4195		- {
4196		- ++$this->error_count;
4197		- if ('smtp' === $this->Mailer && null !== $this->smtp) {
4198		- $lasterror = $this->smtp->getError();
4199		- if (!empty($lasterror['error'])) {
4200		- $msg .= $this->lang('smtp_error').$lasterror['error'];
4201		- if (!empty($lasterror['detail'])) {
4202		- $msg .= ' '.$this->lang('smtp_detail').$lasterror['detail'];
4203		- }
4204		- if (!empty($lasterror['smtp_code'])) {
4205		- $msg .= ' '.$this->lang('smtp_code').$lasterror['smtp_code'];
4206		- }
4207		- if (!empty($lasterror['smtp_code_ex'])) {
4208		- $msg .= ' '.$this->lang('smtp_code_ex').$lasterror['smtp_code_ex'];
4209		- }
4210		- }
4211		- }
4212		- $this->ErrorInfo = $msg;
4213		- }
4214		-
4215		- /**
4216		- * Return an RFC 822 formatted date.
4217		- *
4218		- * @return string
4219		- */
4220		- public static function rfcDate()
4221		- {
4222		- //Set the time zone to whatever the default is to avoid 500 errors
4223		- //Will default to UTC if it's not set properly in php.ini
4224		- date_default_timezone_set(@date_default_timezone_get());
4225		-
4226		- return date('D, j M Y H:i:s O');
4227		- }
4228		-
4229		- /**
4230		- * Get the server hostname.
4231		- * Returns 'localhost.localdomain' if unknown.
4232		- *
4233		- * @return string
4234		- */
4235		- protected function serverHostname()
4236		- {
4237		- $result = '';
4238		- if (!empty($this->Hostname)) {
4239		- $result = $this->Hostname;
4240		- } elseif (isset($_SERVER) && array_key_exists('SERVER_NAME', $_SERVER)) {
4241		- $result = $_SERVER['SERVER_NAME'];
4242		- } elseif (function_exists('gethostname') && gethostname() !== false) {
4243		- $result = gethostname();
4244		- } elseif (php_uname('n') !== false) {
4245		- $result = php_uname('n');
4246		- }
4247		- if (!static::isValidHost($result)) {
4248		- return 'localhost.localdomain';
4249		- }
4250		-
4251		- return $result;
4252		- }
4253		-
4254		- /**
4255		- * Validate whether a string contains a valid value to use as a hostname or IP address.
4256		- * IPv6 addresses must include [], e.g. `[::1]`, not just `::1`.
4257		- *
4258		- * @param string $host The host name or IP address to check
4259		- *
4260		- * @return bool
4261		- */
4262		- public static function isValidHost($host)
4263		- {
4264		- //Simple syntax limits
4265		- if (
4266		- empty($host)
4267		- || !is_string($host)
4268		- || strlen($host) > 256
4269		- || !preg_match('/^([a-zA-Z\d.-]*|\[[a-fA-F\d:]+\])$/', $host)
4270		- ) {
4271		- return false;
4272		- }
4273		- //Looks like a bracketed IPv6 address
4274		- if (strlen($host) > 2 && substr($host, 0, 1) === '[' && substr($host, -1, 1) === ']') {
4275		- return filter_var(substr($host, 1, -1), FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
4276		- }
4277		- //If removing all the dots results in a numeric string, it must be an IPv4 address.
4278		- //Need to check this first because otherwise things like `999.0.0.0` are considered valid host names
4279		- if (is_numeric(str_replace('.', '', $host))) {
4280		- //Is it a valid IPv4 address?
4281		- return filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
4282		- }
4283		-
4284		- //Is it a syntactically valid hostname (when embedded in a URL)?
4285		- return filter_var('https://'.$host, FILTER_VALIDATE_URL) !== false;
4286		- }
4287		-
4288		- /**
4289		- * Get an error message in the current language.
4290		- *
4291		- * @param string $key
4292		- *
4293		- * @return string
4294		- */
4295		- protected function lang($key)
4296		- {
4297		- if (count($this->language) < 1) {
4298		- $this->setLanguage(); //Set the default language
4299		- }
4300		-
4301		- if (array_key_exists($key, $this->language)) {
4302		- if ('smtp_connect_failed' === $key) {
4303		- //Include a link to troubleshooting docs on SMTP connection failure.
4304		- //This is by far the biggest cause of support questions
4305		- //but it's usually not PHPMailer's fault.
4306		- return $this->language[$key].' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
4307		- }
4308		-
4309		- return $this->language[$key];
4310		- }
4311		-
4312		- //Return the key as a fallback
4313		- return $key;
4314		- }
4315		-
4316		- /**
4317		- * Build an error message starting with a generic one and adding details if possible.
4318		- *
4319		- * @param string $base_key
4320		- *
4321		- * @return string
4322		- */
4323		- private function getSmtpErrorMessage($base_key)
4324		- {
4325		- $message = $this->lang($base_key);
4326		- $error = $this->smtp->getError();
4327		- if (!empty($error['error'])) {
4328		- $message .= ' '.$error['error'];
4329		- if (!empty($error['detail'])) {
4330		- $message .= ' '.$error['detail'];
4331		- }
4332		- }
4333		-
4334		- return $message;
4335		- }
4336		-
4337		- /**
4338		- * Check if an error occurred.
4339		- *
4340		- * @return bool True if an error did occur
4341		- */
4342		- public function isError()
4343		- {
4344		- return $this->error_count > 0;
4345		- }
4346		-
4347		- /**
4348		- * Add a custom header.
4349		- * $name value can be overloaded to contain
4350		- * both header name and value (name:value).
4351		- *
4352		- * @param string $name Custom header name
4353		- * @param string|null $value Header value
4354		- *
4355		- * @return bool True if a header was set successfully
4356		- * @throws Exception
4357		- */
4358		- public function addCustomHeader($name, $value = null)
4359		- {
4360		- if (null === $value && strpos($name, ':') !== false) {
4361		- //Value passed in as name:value
4362		- [$name, $value] = explode(':', $name, 2);
4363		- }
4364		- $name = trim($name);
4365		- $value = (null === $value) ? '' : trim($value);
4366		- //Ensure name is not empty, and that neither name nor value contain line breaks
4367		- if (empty($name) || strpbrk($name.$value, "\r\n") !== false) {
4368		- if ($this->exceptions) {
4369		- throw new Exception($this->lang('invalid_header'));
4370		- }
4371		-
4372		- return false;
4373		- }
4374		- $this->CustomHeader[] = [$name, $value];
4375		-
4376		- return true;
4377		- }
4378		-
4379		- /**
4380		- * Returns all custom headers.
4381		- *
4382		- * @return array
4383		- */
4384		- public function getCustomHeaders()
4385		- {
4386		- return $this->CustomHeader;
4387		- }
4388		-
4389		- /**
4390		- * Create a message body from an HTML string.
4391		- * Automatically inlines images and creates a plain-text version by converting the HTML,
4392		- * overwriting any existing values in Body and AltBody.
4393		- * Do not source $message content from user input!
4394		- * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
4395		- * will look for an image file in $basedir/images/a.png and convert it to inline.
4396		- * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
4397		- * Converts data-uri images into embedded attachments.
4398		- * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
4399		- *
4400		- * @param string $message HTML message string
4401		- * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
4402		- * @param bool|callable $advanced Whether to use the internal HTML to text converter
4403		- * or your own custom converter
4404		- *
4405		- * @return string The transformed message body
4406		- *
4407		- * @throws Exception
4408		- *
4409		- * @see PHPMailer::html2text()
4410		- */
4411		- public function msgHTML($message, $basedir = '', $advanced = false)
4412		- {
4413		- preg_match_all('/(?<!-)(src|background)=["\'](.*)["\']/Ui', $message, $images);
4414		- if (array_key_exists(2, $images)) {
4415		- if (strlen($basedir) > 1 && '/' !== substr($basedir, -1)) {
4416		- //Ensure $basedir has a trailing /
4417		- $basedir .= '/';
4418		- }
4419		- foreach ($images[2] as $imgindex => $url) {
4420		- //Convert data URIs into embedded images
4421		- //e.g. "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
4422		- $match = [];
4423		- if (preg_match('#^data:(image/(?:jpe?g|gif|png));?(base64)?,(.+)#', $url, $match)) {
4424		- if (count($match) === 4 && static::ENCODING_BASE64 === $match[2]) {
4425		- $data = base64_decode($match[3]);
4426		- } elseif ('' === $match[2]) {
4427		- $data = rawurldecode($match[3]);
4428		- } else {
4429		- //Not recognised so leave it alone
4430		- continue;
4431		- }
4432		- //Hash the decoded data, not the URL, so that the same data-URI image used in multiple places
4433		- //will only be embedded once, even if it used a different encoding
4434		- $cid = substr(hash('sha256', $data), 0, 32).'@phpmailer.0'; //RFC2392 S 2
4435		-
4436		- if (!$this->cidExists($cid)) {
4437		- $this->addStringEmbeddedImage(
4438		- $data,
4439		- $cid,
4440		- 'embed'.$imgindex,
4441		- static::ENCODING_BASE64,
4442		- $match[1]
4443		- );
4444		- }
4445		- $message = str_replace(
4446		- $images[0][$imgindex],
4447		- $images[1][$imgindex].'="cid:'.$cid.'"',
4448		- $message
4449		- );
4450		- continue;
4451		- }
4452		- if (
4453		- //Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
4454		- !empty($basedir)
4455		- //Ignore URLs containing parent dir traversal (..)
4456		- && (strpos($url, '..') === false)
4457		- //Do not change urls that are already inline images
4458		- && 0 !== strpos($url, 'cid:')
4459		- //Do not change absolute URLs, including anonymous protocol
4460		- && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
4461		- ) {
4462		- $filename = static::mb_pathinfo($url, PATHINFO_BASENAME);
4463		- $directory = dirname($url);
4464		- if ('.' === $directory) {
4465		- $directory = '';
4466		- }
4467		- //RFC2392 S 2
4468		- $cid = substr(hash('sha256', $url), 0, 32).'@phpmailer.0';
4469		- if (strlen($basedir) > 1 && '/' !== substr($basedir, -1)) {
4470		- $basedir .= '/';
4471		- }
4472		- if (strlen($directory) > 1 && '/' !== substr($directory, -1)) {
4473		- $directory .= '/';
4474		- }
4475		- if (
4476		- $this->addEmbeddedImage(
4477		- $basedir.$directory.$filename,
4478		- $cid,
4479		- $filename,
4480		- static::ENCODING_BASE64,
4481		- static::_mime_types((string)static::mb_pathinfo($filename, PATHINFO_EXTENSION))
4482		- )
4483		- ) {
4484		- $message = preg_replace(
4485		- '/'.$images[1][$imgindex].'=["\']'.preg_quote($url, '/').'["\']/Ui',
4486		- $images[1][$imgindex].'="cid:'.$cid.'"',
4487		- $message
4488		- );
4489		- }
4490		- }
4491		- }
4492		- }
4493		- $this->isHTML();
4494		- //Convert all message body line breaks to LE, makes quoted-printable encoding work much better
4495		- $this->Body = static::normalizeBreaks($message);
4496		- $this->AltBody = static::normalizeBreaks($this->html2text($message, $advanced));
4497		- if (!$this->alternativeExists()) {
4498		- $this->AltBody = 'This is an HTML-only message. To view it, activate HTML in your email application.'
4499		- .static::$LE;
4500		- }
4501		-
4502		- return $this->Body;
4503		- }
4504		-
4505		- /**
4506		- * Convert an HTML string into plain text.
4507		- * This is used by msgHTML().
4508		- * Note - older versions of this function used a bundled advanced converter
4509		- * which was removed for license reasons in #232.
4510		- * Example usage:
4511		- *
4512		- * ```php
4513		- * //Use default conversion
4514		- * $plain = $mail->html2text($html);
4515		- * //Use your own custom converter
4516		- * $plain = $mail->html2text($html, function($html) {
4517		- * $converter = new MyHtml2text($html);
4518		- * return $converter->get_text();
4519		- * });
4520		- * ```
4521		- *
4522		- * @param string $html The HTML text to convert
4523		- * @param bool|callable $advanced Any boolean value to use the internal converter,
4524		- * or provide your own callable for custom conversion.
4525		- * *Never* pass user-supplied data into this parameter
4526		- *
4527		- * @return string
4528		- */
4529		- public function html2text($html, $advanced = false)
4530		- {
4531		- if (is_callable($advanced)) {
4532		- return call_user_func($advanced, $html);
4533		- }
4534		-
4535		- return html_entity_decode(
4536		- trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
4537		- ENT_QUOTES,
4538		- $this->CharSet
4539		- );
4540		- }
4541		-
4542		- /**
4543		- * Get the MIME type for a file extension.
4544		- *
4545		- * @param string $ext File extension
4546		- *
4547		- * @return string MIME type of file
4548		- */
4549		- public static function _mime_types($ext = '')
4550		- {
4551		- $mimes = [
4552		- 'xl' => 'application/excel',
4553		- 'js' => 'application/javascript',
4554		- 'hqx' => 'application/mac-binhex40',
4555		- 'cpt' => 'application/mac-compactpro',
4556		- 'bin' => 'application/macbinary',
4557		- 'doc' => 'application/msword',
4558		- 'word' => 'application/msword',
4559		- 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
4560		- 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
4561		- 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
4562		- 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
4563		- 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
4564		- 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
4565		- 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
4566		- 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
4567		- 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
4568		- 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
4569		- 'class' => 'application/octet-stream',
4570		- 'dll' => 'application/octet-stream',
4571		- 'dms' => 'application/octet-stream',
4572		- 'exe' => 'application/octet-stream',
4573		- 'lha' => 'application/octet-stream',
4574		- 'lzh' => 'application/octet-stream',
4575		- 'psd' => 'application/octet-stream',
4576		- 'sea' => 'application/octet-stream',
4577		- 'so' => 'application/octet-stream',
4578		- 'oda' => 'application/oda',
4579		- 'pdf' => 'application/pdf',
4580		- 'ai' => 'application/postscript',
4581		- 'eps' => 'application/postscript',
4582		- 'ps' => 'application/postscript',
4583		- 'smi' => 'application/smil',
4584		- 'smil' => 'application/smil',
4585		- 'mif' => 'application/vnd.mif',
4586		- 'xls' => 'application/vnd.ms-excel',
4587		- 'ppt' => 'application/vnd.ms-powerpoint',
4588		- 'wbxml' => 'application/vnd.wap.wbxml',
4589		- 'wmlc' => 'application/vnd.wap.wmlc',
4590		- 'dcr' => 'application/x-director',
4591		- 'dir' => 'application/x-director',
4592		- 'dxr' => 'application/x-director',
4593		- 'dvi' => 'application/x-dvi',
4594		- 'gtar' => 'application/x-gtar',
4595		- 'php3' => 'application/x-httpd-php',
4596		- 'php4' => 'application/x-httpd-php',
4597		- 'php' => 'application/x-httpd-php',
4598		- 'phtml' => 'application/x-httpd-php',
4599		- 'phps' => 'application/x-httpd-php-source',
4600		- 'swf' => 'application/x-shockwave-flash',
4601		- 'sit' => 'application/x-stuffit',
4602		- 'tar' => 'application/x-tar',
4603		- 'tgz' => 'application/x-tar',
4604		- 'xht' => 'application/xhtml+xml',
4605		- 'xhtml' => 'application/xhtml+xml',
4606		- 'zip' => 'application/zip',
4607		- 'mid' => 'audio/midi',
4608		- 'midi' => 'audio/midi',
4609		- 'mp2' => 'audio/mpeg',
4610		- 'mp3' => 'audio/mpeg',
4611		- 'm4a' => 'audio/mp4',
4612		- 'mpga' => 'audio/mpeg',
4613		- 'aif' => 'audio/x-aiff',
4614		- 'aifc' => 'audio/x-aiff',
4615		- 'aiff' => 'audio/x-aiff',
4616		- 'ram' => 'audio/x-pn-realaudio',
4617		- 'rm' => 'audio/x-pn-realaudio',
4618		- 'rpm' => 'audio/x-pn-realaudio-plugin',
4619		- 'ra' => 'audio/x-realaudio',
4620		- 'wav' => 'audio/x-wav',
4621		- 'mka' => 'audio/x-matroska',
4622		- 'bmp' => 'image/bmp',
4623		- 'gif' => 'image/gif',
4624		- 'jpeg' => 'image/jpeg',
4625		- 'jpe' => 'image/jpeg',
4626		- 'jpg' => 'image/jpeg',
4627		- 'png' => 'image/png',
4628		- 'tiff' => 'image/tiff',
4629		- 'tif' => 'image/tiff',
4630		- 'webp' => 'image/webp',
4631		- 'avif' => 'image/avif',
4632		- 'heif' => 'image/heif',
4633		- 'heifs' => 'image/heif-sequence',
4634		- 'heic' => 'image/heic',
4635		- 'heics' => 'image/heic-sequence',
4636		- 'eml' => 'message/rfc822',
4637		- 'css' => 'text/css',
4638		- 'html' => 'text/html',
4639		- 'htm' => 'text/html',
4640		- 'shtml' => 'text/html',
4641		- 'log' => 'text/plain',
4642		- 'text' => 'text/plain',
4643		- 'txt' => 'text/plain',
4644		- 'rtx' => 'text/richtext',
4645		- 'rtf' => 'text/rtf',
4646		- 'vcf' => 'text/vcard',
4647		- 'vcard' => 'text/vcard',
4648		- 'ics' => 'text/calendar',
4649		- 'xml' => 'text/xml',
4650		- 'xsl' => 'text/xml',
4651		- 'csv' => 'text/csv',
4652		- 'wmv' => 'video/x-ms-wmv',
4653		- 'mpeg' => 'video/mpeg',
4654		- 'mpe' => 'video/mpeg',
4655		- 'mpg' => 'video/mpeg',
4656		- 'mp4' => 'video/mp4',
4657		- 'm4v' => 'video/mp4',
4658		- 'mov' => 'video/quicktime',
4659		- 'qt' => 'video/quicktime',
4660		- 'rv' => 'video/vnd.rn-realvideo',
4661		- 'avi' => 'video/x-msvideo',
4662		- 'movie' => 'video/x-sgi-movie',
4663		- 'webm' => 'video/webm',
4664		- 'mkv' => 'video/x-matroska',
4665		- ];
4666		- $ext = strtolower($ext);
4667		- if (array_key_exists($ext, $mimes)) {
4668		- return $mimes[$ext];
4669		- }
4670		-
4671		- return 'application/octet-stream';
4672		- }
4673		-
4674		- /**
4675		- * Map a file name to a MIME type.
4676		- * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
4677		- *
4678		- * @param string $filename A file name or full path, does not need to exist as a file
4679		- *
4680		- * @return string
4681		- */
4682		- public static function filenameToType($filename)
4683		- {
4684		- //In case the path is a URL, strip any query string before getting extension
4685		- $qpos = strpos($filename, '?');
4686		- if (false !== $qpos) {
4687		- $filename = substr($filename, 0, $qpos);
4688		- }
4689		- $ext = static::mb_pathinfo($filename, PATHINFO_EXTENSION);
4690		-
4691		- return static::_mime_types($ext);
4692		- }
4693		-
4694		- /**
4695		- * Multi-byte-safe pathinfo replacement.
4696		- * Drop-in replacement for pathinfo(), but multibyte- and cross-platform-safe.
4697		- *
4698		- * @see https://www.php.net/manual/en/function.pathinfo.php#107461
4699		- *
4700		- * @param string $path A filename or path, does not need to exist as a file
4701		- * @param int|string $options Either a PATHINFO_* constant,
4702		- * or a string name to return only the specified piece
4703		- *
4704		- * @return string|array
4705		- */
4706		- public static function mb_pathinfo($path, $options = null)
4707		- {
4708		- $ret = ['dirname' => '', 'basename' => '', 'extension' => '', 'filename' => ''];
4709		- $pathinfo = [];
4710		- if (preg_match('#^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^.\\\\/]+?)|))[\\\\/.]*$#m', $path, $pathinfo)) {
4711		- if (array_key_exists(1, $pathinfo)) {
4712		- $ret['dirname'] = $pathinfo[1];
4713		- }
4714		- if (array_key_exists(2, $pathinfo)) {
4715		- $ret['basename'] = $pathinfo[2];
4716		- }
4717		- if (array_key_exists(5, $pathinfo)) {
4718		- $ret['extension'] = $pathinfo[5];
4719		- }
4720		- if (array_key_exists(3, $pathinfo)) {
4721		- $ret['filename'] = $pathinfo[3];
4722		- }
4723		- }
4724		- switch ($options) {
4725		- case PATHINFO_DIRNAME:
4726		- case 'dirname':
4727		- return $ret['dirname'];
4728		- case PATHINFO_BASENAME:
4729		- case 'basename':
4730		- return $ret['basename'];
4731		- case PATHINFO_EXTENSION:
4732		- case 'extension':
4733		- return $ret['extension'];
4734		- case PATHINFO_FILENAME:
4735		- case 'filename':
4736		- return $ret['filename'];
4737		- default:
4738		- return $ret;
4739		- }
4740		- }
4741		-
4742		- /**
4743		- * Set or reset instance properties.
4744		- * You should avoid this function - it's more verbose, less efficient, more error-prone and
4745		- * harder to debug than setting properties directly.
4746		- * Usage Example:
4747		- * `$mail->set('SMTPSecure', static::ENCRYPTION_STARTTLS);`
4748		- * is the same as:
4749		- * `$mail->SMTPSecure = static::ENCRYPTION_STARTTLS;`.
4750		- *
4751		- * @param string $name The property name to set
4752		- * @param mixed $value The value to set the property to
4753		- *
4754		- * @return bool
4755		- */
4756		- public function set($name, $value = '')
4757		- {
4758		- if (property_exists($this, $name)) {
4759		- $this->{$name} = $value;
4760		-
4761		- return true;
4762		- }
4763		- $this->setError($this->lang('variable_set').$name);
4764		-
4765		- return false;
4766		- }
4767		-
4768		- /**
4769		- * Strip newlines to prevent header injection.
4770		- *
4771		- * @param string $str
4772		- *
4773		- * @return string
4774		- */
4775		- public function secureHeader($str)
4776		- {
4777		- return trim(str_replace(["\r", "\n"], '', $str));
4778		- }
4779		-
4780		- /**
4781		- * Normalize line breaks in a string.
4782		- * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
4783		- * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
4784		- *
4785		- * @param string $text
4786		- * @param string $breaktype What kind of line break to use; defaults to static::$LE
4787		- *
4788		- * @return string
4789		- */
4790		- public static function normalizeBreaks($text, $breaktype = null)
4791		- {
4792		- if (null === $breaktype) {
4793		- $breaktype = static::$LE;
4794		- }
4795		- //Normalise to \n
4796		- $text = str_replace([self::CRLF, "\r"], "\n", $text);
4797		- //Now convert LE as needed
4798		- if ("\n" !== $breaktype) {
4799		- $text = str_replace("\n", $breaktype, $text);
4800		- }
4801		-
4802		- return $text;
4803		- }
4804		-
4805		- /**
4806		- * Remove trailing whitespace from a string.
4807		- *
4808		- * @param string $text
4809		- *
4810		- * @return string The text to remove whitespace from
4811		- */
4812		- public static function stripTrailingWSP($text)
4813		- {
4814		- return rtrim($text, " \r\n\t");
4815		- }
4816		-
4817		- /**
4818		- * Strip trailing line breaks from a string.
4819		- *
4820		- * @param string $text
4821		- *
4822		- * @return string The text to remove breaks from
4823		- */
4824		- public static function stripTrailingBreaks($text)
4825		- {
4826		- return rtrim($text, "\r\n");
4827		- }
4828		-
4829		- /**
4830		- * Return the current line break format string.
4831		- *
4832		- * @return string
4833		- */
4834		- public static function getLE()
4835		- {
4836		- return static::$LE;
4837		- }
4838		-
4839		- /**
4840		- * Set the line break format string, e.g. "\r\n".
4841		- *
4842		- * @param string $le
4843		- */
4844		- protected static function setLE($le)
4845		- {
4846		- static::$LE = $le;
4847		- }
4848		-
4849		- /**
4850		- * Set the public and private key files and password for S/MIME signing.
4851		- *
4852		- * @param string $cert_filename
4853		- * @param string $key_filename
4854		- * @param string $key_pass Password for private key
4855		- * @param string $extracerts_filename Optional path to chain certificate
4856		- */
4857		- public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
4858		- {
4859		- $this->sign_cert_file = $cert_filename;
4860		- $this->sign_key_file = $key_filename;
4861		- $this->sign_key_pass = $key_pass;
4862		- $this->sign_extracerts_file = $extracerts_filename;
4863		- }
4864		-
4865		- /**
4866		- * Quoted-Printable-encode a DKIM header.
4867		- *
4868		- * @param string $txt
4869		- *
4870		- * @return string
4871		- */
4872		- public function DKIM_QP($txt)
4873		- {
4874		- $line = '';
4875		- $len = strlen($txt);
4876		- for ($i = 0; $i < $len; ++$i) {
4877		- $ord = ord($txt[$i]);
4878		- if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord === 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
4879		- $line .= $txt[$i];
4880		- } else {
4881		- $line .= '='.sprintf('%02X', $ord);
4882		- }
4883		- }
4884		-
4885		- return $line;
4886		- }
4887		-
4888		- /**
4889		- * Generate a DKIM signature.
4890		- *
4891		- * @param string $signHeader
4892		- *
4893		- * @return string The DKIM signature value
4894		- * @throws Exception
4895		- *
4896		- */
4897		- public function DKIM_Sign($signHeader)
4898		- {
4899		- if (!defined('PKCS7_TEXT')) {
4900		- if ($this->exceptions) {
4901		- throw new Exception($this->lang('extension_missing').'openssl');
4902		- }
4903		-
4904		- return '';
4905		- }
4906		- $privKeyStr = !empty($this->DKIM_private_string)
4907		- ?
4908		- $this->DKIM_private_string
4909		- :
4910		- file_get_contents($this->DKIM_private);
4911		- if ('' !== $this->DKIM_passphrase) {
4912		- $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
4913		- } else {
4914		- $privKey = openssl_pkey_get_private($privKeyStr);
4915		- }
4916		- if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
4917		- if (\PHP_MAJOR_VERSION < 8) {
4918		- openssl_pkey_free($privKey);
4919		- }
4920		-
4921		- return base64_encode($signature);
4922		- }
4923		- if (\PHP_MAJOR_VERSION < 8) {
4924		- openssl_pkey_free($privKey);
4925		- }
4926		-
4927		- return '';
4928		- }
4929		-
4930		- /**
4931		- * Generate a DKIM canonicalization header.
4932		- * Uses the 'relaxed' algorithm from RFC6376 section 3.4.2.
4933		- * Canonicalized headers should *always* use CRLF, regardless of mailer setting.
4934		- *
4935		- * @see https://tools.ietf.org/html/rfc6376#section-3.4.2
4936		- *
4937		- * @param string $signHeader Header
4938		- *
4939		- * @return string
4940		- */
4941		- public function DKIM_HeaderC($signHeader)
4942		- {
4943		- //Normalize breaks to CRLF (regardless of the mailer)
4944		- $signHeader = static::normalizeBreaks($signHeader, self::CRLF);
4945		- //Unfold header lines
4946		- //Note PCRE \s is too broad a definition of whitespace; RFC5322 defines it as `[ \t]`
4947		- //@see https://tools.ietf.org/html/rfc5322#section-2.2
4948		- //That means this may break if you do something daft like put vertical tabs in your headers.
4949		- $signHeader = preg_replace('/\r\n[ \t]+/', ' ', $signHeader);
4950		- //Break headers out into an array
4951		- $lines = explode(self::CRLF, $signHeader);
4952		- foreach ($lines as $key => $line) {
4953		- //If the header is missing a :, skip it as it's invalid
4954		- //This is likely to happen because the explode() above will also split
4955		- //on the trailing LE, leaving an empty line
4956		- if (strpos($line, ':') === false) {
4957		- continue;
4958		- }
4959		- [$heading, $value] = explode(':', $line, 2);
4960		- //Lower-case header name
4961		- $heading = strtolower($heading);
4962		- //Collapse white space within the value, also convert WSP to space
4963		- $value = preg_replace('/[ \t]+/', ' ', $value);
4964		- //RFC6376 is slightly unclear here - it says to delete space at the *end* of each value
4965		- //But then says to delete space before and after the colon.
4966		- //Net result is the same as trimming both ends of the value.
4967		- //By elimination, the same applies to the field name
4968		- $lines[$key] = trim($heading, " \t").':'.trim($value, " \t");
4969		- }
4970		-
4971		- return implode(self::CRLF, $lines);
4972		- }
4973		-
4974		- /**
4975		- * Generate a DKIM canonicalization body.
4976		- * Uses the 'simple' algorithm from RFC6376 section 3.4.3.
4977		- * Canonicalized bodies should *always* use CRLF, regardless of mailer setting.
4978		- *
4979		- * @see https://tools.ietf.org/html/rfc6376#section-3.4.3
4980		- *
4981		- * @param string $body Message Body
4982		- *
4983		- * @return string
4984		- */
4985		- public function DKIM_BodyC($body)
4986		- {
4987		- if (empty($body)) {
4988		- return self::CRLF;
4989		- }
4990		- //Normalize line endings to CRLF
4991		- $body = static::normalizeBreaks($body, self::CRLF);
4992		-
4993		- //Reduce multiple trailing line breaks to a single one
4994		- return static::stripTrailingBreaks($body).self::CRLF;
4995		- }
4996		-
4997		- /**
4998		- * Create the DKIM header and body in a new message header.
4999		- *
5000		- * @param string $headers_line Header lines
5001		- * @param string $subject Subject
5002		- * @param string $body Body
5003		- *
5004		- * @return string
5005		- * @throws Exception
5006		- *
5007		- */
5008		- public function DKIM_Add($headers_line, $subject, $body)
5009		- {
5010		- $DKIMsignatureType = 'rsa-sha256'; //Signature & hash algorithms
5011		- $DKIMcanonicalization = 'relaxed/simple'; //Canonicalization methods of header & body
5012		- $DKIMquery = 'dns/txt'; //Query method
5013		- $DKIMtime = time();
5014		- //Always sign these headers without being asked
5015		- //Recommended list from https://tools.ietf.org/html/rfc6376#section-5.4.1
5016		- $autoSignHeaders = [
5017		- 'from',
5018		- 'to',
5019		- 'cc',
5020		- 'date',
5021		- 'subject',
5022		- 'reply-to',
5023		- 'message-id',
5024		- 'content-type',
5025		- 'mime-version',
5026		- 'x-mailer',
5027		- ];
5028		- if (stripos($headers_line, 'Subject') === false) {
5029		- $headers_line .= 'Subject: '.$subject.static::$LE;
5030		- }
5031		- $headerLines = explode(static::$LE, $headers_line);
5032		- $currentHeaderLabel = '';
5033		- $currentHeaderValue = '';
5034		- $parsedHeaders = [];
5035		- $headerLineIndex = 0;
5036		- $headerLineCount = count($headerLines);
5037		- foreach ($headerLines as $headerLine) {
5038		- $matches = [];
5039		- if (preg_match('/^([^ \t]*?)(?::[ \t]*)(.*)$/', $headerLine, $matches)) {
5040		- if ($currentHeaderLabel !== '') {
5041		- //We were previously in another header; This is the start of a new header, so save the previous one
5042		- $parsedHeaders[] = ['label' => $currentHeaderLabel, 'value' => $currentHeaderValue];
5043		- }
5044		- $currentHeaderLabel = $matches[1];
5045		- $currentHeaderValue = $matches[2];
5046		- } elseif (preg_match('/^[ \t]+(.*)$/', $headerLine, $matches)) {
5047		- //This is a folded continuation of the current header, so unfold it
5048		- $currentHeaderValue .= ' '.$matches[1];
5049		- }
5050		- ++$headerLineIndex;
5051		- if ($headerLineIndex >= $headerLineCount) {
5052		- //This was the last line, so finish off this header
5053		- $parsedHeaders[] = ['label' => $currentHeaderLabel, 'value' => $currentHeaderValue];
5054		- }
5055		- }
5056		- $copiedHeaders = [];
5057		- $headersToSignKeys = [];
5058		- $headersToSign = [];
5059		- foreach ($parsedHeaders as $header) {
5060		- //Is this header one that must be included in the DKIM signature?
5061		- if (in_array(strtolower($header['label']), $autoSignHeaders, true)) {
5062		- $headersToSignKeys[] = $header['label'];
5063		- $headersToSign[] = $header['label'].': '.$header['value'];
5064		- if ($this->DKIM_copyHeaderFields) {
5065		- $copiedHeaders[] = $header['label'].':'. //Note no space after this, as per RFC
5066		- str_replace('|', '=7C', $this->DKIM_QP($header['value']));
5067		- }
5068		- continue;
5069		- }
5070		- //Is this an extra custom header we've been asked to sign?
5071		- if (in_array($header['label'], $this->DKIM_extraHeaders, true)) {
5072		- //Find its value in custom headers
5073		- foreach ($this->CustomHeader as $customHeader) {
5074		- if ($customHeader[0] === $header['label']) {
5075		- $headersToSignKeys[] = $header['label'];
5076		- $headersToSign[] = $header['label'].': '.$header['value'];
5077		- if ($this->DKIM_copyHeaderFields) {
5078		- $copiedHeaders[] = $header['label'].':'. //Note no space after this, as per RFC
5079		- str_replace('|', '=7C', $this->DKIM_QP($header['value']));
5080		- }
5081		- //Skip straight to the next header
5082		- continue 2;
5083		- }
5084		- }
5085		- }
5086		- }
5087		- $copiedHeaderFields = '';
5088		- if ($this->DKIM_copyHeaderFields && count($copiedHeaders) > 0) {
5089		- //Assemble a DKIM 'z' tag
5090		- $copiedHeaderFields = ' z=';
5091		- $first = true;
5092		- foreach ($copiedHeaders as $copiedHeader) {
5093		- if (!$first) {
5094		- $copiedHeaderFields .= static::$LE.' |';
5095		- }
5096		- //Fold long values
5097		- if (strlen($copiedHeader) > self::STD_LINE_LENGTH - 3) {
5098		- $copiedHeaderFields .= substr(
5099		- chunk_split($copiedHeader, self::STD_LINE_LENGTH - 3, static::$LE.self::FWS),
5100		- 0,
5101		- -strlen(static::$LE.self::FWS)
5102		- );
5103		- } else {
5104		- $copiedHeaderFields .= $copiedHeader;
5105		- }
5106		- $first = false;
5107		- }
5108		- $copiedHeaderFields .= ';'.static::$LE;
5109		- }
5110		- $headerKeys = ' h='.implode(':', $headersToSignKeys).';'.static::$LE;
5111		- $headerValues = implode(static::$LE, $headersToSign);
5112		- $body = $this->DKIM_BodyC($body);
5113		- //Base64 of packed binary SHA-256 hash of body
5114		- $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body)));
5115		- $ident = '';
5116		- if ('' !== $this->DKIM_identity) {
5117		- $ident = ' i='.$this->DKIM_identity.';'.static::$LE;
5118		- }
5119		- //The DKIM-Signature header is included in the signature *except for* the value of the `b` tag
5120		- //which is appended after calculating the signature
5121		- //https://tools.ietf.org/html/rfc6376#section-3.5
5122		- $dkimSignatureHeader = 'DKIM-Signature: v=1;'.
5123		- ' d='.$this->DKIM_domain.';'.
5124		- ' s='.$this->DKIM_selector.';'.static::$LE.
5125		- ' a='.$DKIMsignatureType.';'.
5126		- ' q='.$DKIMquery.';'.
5127		- ' t='.$DKIMtime.';'.
5128		- ' c='.$DKIMcanonicalization.';'.static::$LE.
5129		- $headerKeys.
5130		- $ident.
5131		- $copiedHeaderFields.
5132		- ' bh='.$DKIMb64.';'.static::$LE.
5133		- ' b=';
5134		- //Canonicalize the set of headers
5135		- $canonicalizedHeaders = $this->DKIM_HeaderC(
5136		- $headerValues.static::$LE.$dkimSignatureHeader
5137		- );
5138		- $signature = $this->DKIM_Sign($canonicalizedHeaders);
5139		- $signature = trim(chunk_split($signature, self::STD_LINE_LENGTH - 3, static::$LE.self::FWS));
5140		-
5141		- return static::normalizeBreaks($dkimSignatureHeader.$signature);
5142		- }
5143		-
5144		- /**
5145		- * Detect if a string contains a line longer than the maximum line length
5146		- * allowed by RFC 2822 section 2.1.1.
5147		- *
5148		- * @param string $str
5149		- *
5150		- * @return bool
5151		- */
5152		- public static function hasLineLongerThanMax($str)
5153		- {
5154		- return (bool)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + strlen(static::$LE)).',})/m', $str);
5155		- }
5156		-
5157		- /**
5158		- * If a string contains any "special" characters, double-quote the name,
5159		- * and escape any double quotes with a backslash.
5160		- *
5161		- * @param string $str
5162		- *
5163		- * @return string
5164		- *
5165		- * @see RFC822 3.4.1
5166		- */
5167		- public static function quotedString($str)
5168		- {
5169		- if (preg_match('/[ ()<>@,;:"\/\[\]?=]/', $str)) {
5170		- //If the string contains any of these chars, it must be double-quoted
5171		- //and any double quotes must be escaped with a backslash
5172		- return '"'.str_replace('"', '\\"', $str).'"';
5173		- }
5174		-
5175		- //Return the string untouched, it doesn't need quoting
5176		- return $str;
5177		- }
5178		-
5179		- /**
5180		- * Allows for public read access to 'to' property.
5181		- * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
5182		- *
5183		- * @return array
5184		- */
5185		- public function getToAddresses()
5186		- {
5187		- return $this->to;
5188		- }
5189		-
5190		- /**
5191		- * Allows for public read access to 'cc' property.
5192		- * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
5193		- *
5194		- * @return array
5195		- */
5196		- public function getCcAddresses()
5197		- {
5198		- return $this->cc;
5199		- }
5200		-
5201		- /**
5202		- * Allows for public read access to 'bcc' property.
5203		- * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
5204		- *
5205		- * @return array
5206		- */
5207		- public function getBccAddresses()
5208		- {
5209		- return $this->bcc;
5210		- }
5211		-
5212		- /**
5213		- * Allows for public read access to 'ReplyTo' property.
5214		- * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
5215		- *
5216		- * @return array
5217		- */
5218		- public function getReplyToAddresses()
5219		- {
5220		- return $this->ReplyTo;
5221		- }
5222		-
5223		- /**
5224		- * Allows for public read access to 'all_recipients' property.
5225		- * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
5226		- *
5227		- * @return array
5228		- */
5229		- public function getAllRecipientAddresses()
5230		- {
5231		- return $this->all_recipients;
5232		- }
5233		-
5234		- /**
5235		- * Perform a callback.
5236		- *
5237		- * @param bool $isSent
5238		- * @param array $to
5239		- * @param array $cc
5240		- * @param array $bcc
5241		- * @param string $subject
5242		- * @param string $body
5243		- * @param string $from
5244		- * @param array $extra
5245		- */
5246		- protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from, $extra)
5247		- {
5248		- if (!empty($this->action_function) && is_callable($this->action_function)) {
5249		- call_user_func($this->action_function, $isSent, $to, $cc, $bcc, $subject, $body, $from, $extra);
5250		- }
5251		- }
5252		-
5253		- /**
5254		- * Get the OAuthTokenProvider instance.
5255		- *
5256		- * @return OAuthTokenProvider
5257		- */
5258		- public function getOAuth()
5259		- {
5260		- return $this->oauth;
5261		- }
5262		-
5263		- /**
5264		- * Set an OAuthTokenProvider instance.
5265		- */
5266		- public function setOAuth(OAuthTokenProvider $oauth)
5267		- {
5268		- $this->oauth = $oauth;
5269		- }
5270		-}