5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author Andreas Gohr <andi@splitbrain.org>
9 if(!defined('DOKU_INC')) die('meh.');
11 // end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?)
13 if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL',"\n");
14 #define('MAILHEADER_ASCIIONLY',1);
17 * Patterns for use in email detection and validation
19 * NOTE: there is an unquoted '/' in RFC2822_ATEXT, it must remain unquoted to be used in the parser
20 * the pattern uses non-capturing groups as captured groups aren't allowed in the parser
21 * select pattern delimiters with care!
23 * May not be completly RFC conform!
24 * @link http://www.faqs.org/rfcs/rfc2822.html (paras 3.4.1 & 3.2.4)
26 * @author Chris Smith <chris@jalakai.co.uk>
27 * Check if a given mail address is valid
29 if (!defined('RFC2822_ATEXT')) define('RFC2822_ATEXT',"0-9a-zA-Z!#$%&'*+/=?^_`{|}~-");
30 if (!defined('PREG_PATTERN_VALID_EMAIL')) define('PREG_PATTERN_VALID_EMAIL', '['.RFC2822_ATEXT.']+(?:\.['.RFC2822_ATEXT.']+)*@(?i:[0-9a-z][0-9a-z-]*\.)+(?i:[a-z]{2,4}|museum|travel)');
33 * Prepare mailfrom replacement patterns
35 * Also prepares a mailfromnobody config that contains an autoconstructed address
36 * if the mailfrom one is userdependent and this might not be wanted (subscriptions)
38 * @author Andreas Gohr <andi@splitbrain.org>
40 function mail_setup(){
44 // auto constructed address
45 $host = @parse_url(DOKU_URL,PHP_URL_HOST);
46 if(!$host) $host = 'example.com';
47 $noreply = 'noreply@'.$host;
50 if(!empty($USERINFO['mail'])){
51 $replace['@MAIL@'] = $USERINFO['mail'];
53 $replace['@MAIL@'] = $noreply;
56 if(!empty($_SERVER['REMOTE_USER'])){
57 $replace['@USER@'] = $_SERVER['REMOTE_USER'];
59 $replace['@USER@'] = 'noreply';
62 if(!empty($USERINFO['name'])){
63 $replace['@NAME@'] = $USERINFO['name'];
65 $replace['@NAME@'] = '';
69 $from = str_replace(array_keys($replace),
70 array_values($replace),
73 // any replacements done? set different mailfromnone
74 if($from != $conf['mailfrom']){
75 $conf['mailfromnobody'] = $noreply;
77 $conf['mailfromnobody'] = $from;
79 $conf['mailfrom'] = $from;
83 * UTF-8 autoencoding replacement for PHPs mail function
85 * Email address fields (To, From, Cc, Bcc can contain a textpart and an address
86 * like this: 'Andreas Gohr <andi@splitbrain.org>' - the text part is encoded
87 * automatically. You can seperate receivers by commas.
89 * @param string $to Receiver of the mail (multiple seperated by commas)
90 * @param string $subject Mailsubject
91 * @param string $body Messagebody
92 * @param string $from Sender address
93 * @param string $cc CarbonCopy receiver (multiple seperated by commas)
94 * @param string $bcc BlindCarbonCopy receiver (multiple seperated by commas)
95 * @param string $headers Additional Headers (seperated by MAILHEADER_EOL
96 * @param string $params Additonal Sendmail params (passed to mail())
98 * @author Andreas Gohr <andi@splitbrain.org>
101 function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){
103 $message = compact('to','subject','body','from','cc','bcc','headers','params');
104 return trigger_event('MAIL_MESSAGE_SEND',$message,'_mail_send_action');
107 function _mail_send_action($data) {
109 // retrieve parameters from event data, $to, $subject, $body, $from, $cc, $bcc, $headers, $params
111 $subject = $data['subject'];
112 $body = $data['body'];
114 // add robustness in case plugin removes any of these optional values
115 $from = isset($data['from']) ? $data['from'] : '';
116 $cc = isset($data['cc']) ? $data['cc'] : '';
117 $bcc = isset($data['bcc']) ? $data['bcc'] : '';
118 $headers = isset($data['headers']) ? $data['headers'] : null;
119 $params = isset($data['params']) ? $data['params'] : null;
121 // discard mail request if no recipients are available
122 if(trim($to) === '' && trim($cc) === '' && trim($bcc) === '') return false;
124 // end additional code to support event ... original mail_send() code from here
126 if(defined('MAILHEADER_ASCIIONLY')){
127 $subject = utf8_deaccent($subject);
128 $subject = utf8_strip($subject);
131 if(!utf8_isASCII($subject)) {
132 $enc_subj = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?=';
133 // Spaces must be encoded according to rfc2047. Use the "_" shorthand
134 $enc_subj = preg_replace('/ /', '_', $enc_subj);
136 // quoted printable has length restriction, use base64 if needed
137 if(strlen($subject) > 74){
138 $enc_subj = '=?UTF-8?B?'.base64_encode($subject).'?=';
141 $subject = $enc_subj;
146 // No named recipients for To: in Windows (see FS#652)
147 $usenames = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? false : true;
149 $to = mail_encode_address($to,'',$usenames);
150 $header .= mail_encode_address($from,'From');
151 $header .= mail_encode_address($cc,'Cc');
152 $header .= mail_encode_address($bcc,'Bcc');
153 $header .= 'MIME-Version: 1.0'.MAILHEADER_EOL;
154 $header .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL;
155 $header .= 'Content-Transfer-Encoding: quoted-printable'.MAILHEADER_EOL;
157 $header = trim($header);
159 $body = mail_quotedprintable_encode($body);
162 return @mail($to,$subject,$body,$header);
164 return @mail($to,$subject,$body,$header,$params);
169 * Encodes an email address header
171 * Unicode characters will be deaccented and encoded
172 * quoted_printable for headers.
173 * Addresses may not contain Non-ASCII data!
176 * mail_encode_address("föö <foo@bar.com>, me@somewhere.com","TBcc");
178 * @param string $string Multiple adresses separated by commas
179 * @param string $header Name of the header (To,Bcc,Cc,...)
180 * @param boolean $names Allow named Recipients?
182 function mail_encode_address($string,$header='',$names=true){
184 $parts = explode(',',$string);
185 foreach ($parts as $part){
189 if(preg_match('#(.*?)<(.*?)>#',$part,$matches)){
190 $text = trim($matches[1]);
201 // FIXME: is there a way to encode the localpart of a emailaddress?
202 if(!utf8_isASCII($addr)){
203 msg(htmlspecialchars("E-Mail address <$addr> is not ASCII"),-1);
207 if(!mail_isvalid($addr)){
208 msg(htmlspecialchars("E-Mail address <$addr> is not valid"),-1);
213 if(!empty($text) && $names){
214 // add address quotes
217 if(defined('MAILHEADER_ASCIIONLY')){
218 $text = utf8_deaccent($text);
219 $text = utf8_strip($text);
222 if(!utf8_isASCII($text)){
223 // put the quotes outside as in =?UTF-8?Q?"Elan Ruusam=C3=A4e"?= vs "=?UTF-8?Q?Elan Ruusam=C3=A4e?="
224 if (preg_match('/^"(.+)"$/', $text, $matches)) {
225 $text = '"=?UTF-8?Q?'.mail_quotedprintable_encode($matches[1], 0).'?="';
227 $text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text, 0).'?=';
229 // additionally the space character should be encoded as =20 (or each
230 // word QP encoded separately).
231 // however this is needed only in mail headers, not globally in mail_quotedprintable_encode().
232 $text = str_replace(" ", "=20", $text);
238 // add to header comma seperated
241 if($header) $headers .= MAILHEADER_EOL.' '; // avoid overlong mail headers
243 $headers .= $text.' '.$addr;
246 if(empty($headers)) return null;
248 //if headername was given add it and close correctly
249 if($header) $headers = $header.': '.$headers.MAILHEADER_EOL;
255 * Check if a given mail address is valid
257 * @param string $email the address to check
258 * @return bool true if address is valid
260 function mail_isvalid($email){
261 $validator = new EmailAddressValidator;
262 $validator->allowLocalAddresses = true;
263 return $validator->check_email_address($email);
267 * Quoted printable encoding
269 * @author umu <umuAThrz.tu-chemnitz.de>
270 * @link http://www.php.net/manual/en/function.imap-8bit.php#61216
272 function mail_quotedprintable_encode($sText,$maxlen=74,$bEmulate_imap_8bit=true) {
273 // split text into lines
274 $aLines= preg_split("/(?:\r\n|\r|\n)/", $sText);
275 $cnt = count($aLines);
277 for ($i=0;$i<$cnt;$i++) {
278 $sLine =& $aLines[$i];
279 if (strlen($sLine)===0) continue; // do nothing, if empty
281 $sRegExp = '/[^\x09\x20\x21-\x3C\x3E-\x7E]/e';
283 // imap_8bit encodes x09 everywhere, not only at lineends,
284 // for EBCDIC safeness encode !"#$@[\]^`{|}~,
285 // for complete safeness encode every character :)
286 if ($bEmulate_imap_8bit)
287 $sRegExp = '/[^\x20\x21-\x3C\x3E-\x7E]/e';
289 $sReplmt = 'sprintf( "=%02X", ord ( "$0" ) ) ;';
290 $sLine = preg_replace( $sRegExp, $sReplmt, $sLine );
292 // encode x09,x20 at lineends
294 $iLength = strlen($sLine);
295 $iLastChar = ord($sLine{$iLength-1});
298 // imap_8_bit does not encode x20 at the very end of a text,
299 // here is, where I don't agree with imap_8_bit,
300 // please correct me, if I'm wrong,
301 // or comment next line for RFC2045 conformance, if you like
302 if (!($bEmulate_imap_8bit && ($i==count($aLines)-1))){
303 if (($iLastChar==0x09)||($iLastChar==0x20)) {
304 $sLine{$iLength-1}='=';
305 $sLine .= ($iLastChar==0x09)?'09':'20';
308 } // imap_8bit encodes x20 before chr(13), too
309 // although IMHO not requested by RFC2045, why not do it safer :)
310 // and why not encode any x20 around chr(10) or chr(13)
311 if ($bEmulate_imap_8bit) {
312 $sLine=str_replace(' =0D','=20=0D',$sLine);
313 //$sLine=str_replace(' =0A','=20=0A',$sLine);
314 //$sLine=str_replace('=0D ','=0D=20',$sLine);
315 //$sLine=str_replace('=0A ','=0A=20',$sLine);
318 // finally split into softlines no longer than $maxlen chars,
319 // for even more safeness one could encode x09,x20
320 // at the very first character of the line
321 // and after soft linebreaks, as well,
322 // but this wouldn't be caught by such an easy RegExp
324 preg_match_all( '/.{1,'.($maxlen - 2).'}([^=]{0,2})?/', $sLine, $aMatch );
325 $sLine = implode( '=' . MAILHEADER_EOL, $aMatch[0] ); // add soft crlf's
329 // join lines into text
330 return implode(MAILHEADER_EOL,$aLines);