1<?php 2/** 3 * Mail functions 4 * 5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6 * @author Andreas Gohr <andi@splitbrain.org> 7 */ 8 9 if(!defined('DOKU_INC')) define('DOKU_INC',fullpath(dirname(__FILE__).'/../').'/'); 10 require_once(DOKU_INC.'inc/utf8.php'); 11 12 // end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?) 13 // think different 14 if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL',"\n"); 15 #define('MAILHEADER_ASCIIONLY',1); 16 17/** 18 * UTF-8 autoencoding replacement for PHPs mail function 19 * 20 * Email address fields (To, From, Cc, Bcc can contain a textpart and an address 21 * like this: 'Andreas Gohr <andi@splitbrain.org>' - the text part is encoded 22 * automatically. You can seperate receivers by commas. 23 * 24 * @param string $to Receiver of the mail (multiple seperated by commas) 25 * @param string $subject Mailsubject 26 * @param string $body Messagebody 27 * @param string $from Sender address 28 * @param string $cc CarbonCopy receiver (multiple seperated by commas) 29 * @param string $bcc BlindCarbonCopy receiver (multiple seperated by commas) 30 * @param string $headers Additional Headers (seperated by MAILHEADER_EOL 31 * @param string $params Additonal Sendmail params (passed to mail()) 32 * 33 * @author Andreas Gohr <andi@splitbrain.org> 34 * @see mail() 35 */ 36function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){ 37 38 $message = compact('to','subject','body','from','cc','bcc','headers','params'); 39 return trigger_event('MAIL_MESSAGE_SEND',$message,'_mail_send_action'); 40} 41 42function _mail_send_action($data) { 43 44 // retrieve parameters from event data, $to, $subject, $body, $from, $cc, $bcc, $headers, $params 45 $to = $data['to']; 46 $subject = $data['subject']; 47 $body = $data['body']; 48 49 // add robustness in case plugin removes any of these optional values 50 $from = isset($data['from']) ? $data['from'] : ''; 51 $cc = isset($data['cc']) ? $data['cc'] : ''; 52 $bcc = isset($data['bcc']) ? $data['bcc'] : ''; 53 $headers = isset($data['headers']) ? $data['headers'] : null; 54 $params = isset($data['params']) ? $data['params'] : null; 55 56 // end additional code to support event ... original mail_send() code from here 57 58 if(defined('MAILHEADER_ASCIIONLY')){ 59 $subject = utf8_deaccent($subject); 60 $subject = utf8_strip($subject); 61 } 62 63 if(!utf8_isASCII($subject)) { 64 $subject = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?='; 65 // Spaces must be encoded according to rfc2047. Use the "_" shorthand 66 $subject = preg_replace('/ /', '_', $subject); 67 } 68 69 $header = ''; 70 71 // No named recipients for To: in Windows (see FS#652) 72 $usenames = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? false : true; 73 74 // On Unix set the envelope headers correctly: 75 if($usenames){ 76 if($from) $params = ((string) $params).' -f '.escapeshellarg($from); 77 if($to) $params = ((string) $params).' '.escapeshellarg($to); 78 } 79 80 $to = mail_encode_address($to,'',$usenames); 81 $header .= mail_encode_address($from,'From'); 82 $header .= mail_encode_address($cc,'Cc'); 83 $header .= mail_encode_address($bcc,'Bcc'); 84 $header .= 'MIME-Version: 1.0'.MAILHEADER_EOL; 85 $header .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL; 86 $header .= 'Content-Transfer-Encoding: quoted-printable'.MAILHEADER_EOL; 87 $header .= $headers; 88 $header = trim($header); 89 90 $body = mail_quotedprintable_encode($body); 91 92 if($params == null){ 93 return @mail($to,$subject,$body,$header); 94 }else{ 95 return @mail($to,$subject,$body,$header,$params); 96 } 97} 98 99/** 100 * Encodes an email address header 101 * 102 * Unicode characters will be deaccented and encoded 103 * quoted_printable for headers. 104 * Addresses may not contain Non-ASCII data! 105 * 106 * Example: 107 * mail_encode_address("föö <foo@bar.com>, me@somewhere.com","TBcc"); 108 * 109 * @param string $string Multiple adresses separated by commas 110 * @param string $header Name of the header (To,Bcc,Cc,...) 111 * @param boolean $names Allow named Recipients? 112 */ 113function mail_encode_address($string,$header='',$names=true){ 114 $headers = ''; 115 $parts = split(',',$string); 116 foreach ($parts as $part){ 117 $part = trim($part); 118 119 // parse address 120 if(preg_match('#(.*?)<(.*?)>#',$part,$matches)){ 121 $text = trim($matches[1]); 122 $addr = $matches[2]; 123 }else{ 124 $addr = $part; 125 } 126 127 // skip empty ones 128 if(empty($addr)){ 129 continue; 130 } 131 132 // FIXME: is there a way to encode the localpart of a emailaddress? 133 if(!utf8_isASCII($addr)){ 134 msg(htmlspecialchars("E-Mail address <$addr> is not ASCII"),-1); 135 continue; 136 } 137 138 if(!mail_isvalid($addr)){ 139 msg(htmlspecialchars("E-Mail address <$addr> is not valid"),-1); 140 continue; 141 } 142 143 // text was given 144 if(!empty($text) && $names){ 145 // add address quotes 146 $addr = "<$addr>"; 147 148 if(defined('MAILHEADER_ASCIIONLY')){ 149 $text = utf8_deaccent($text); 150 $text = utf8_strip($text); 151 } 152 153 if(!utf8_isASCII($text)){ 154 $text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text,0).'?='; 155 } 156 }else{ 157 $text = ''; 158 } 159 160 // add to header comma seperated and in new line to avoid too long headers 161 if($headers != '') $headers .= ','.MAILHEADER_EOL.' '; 162 $headers .= $text.' '.$addr; 163 } 164 165 if(empty($headers)) return null; 166 167 //if headername was given add it and close correctly 168 if($header) $headers = $header.': '.$headers.MAILHEADER_EOL; 169 170 return $headers; 171} 172 173/** 174 * Uses a regular expresion to check if a given mail address is valid 175 * 176 * May not be completly RFC conform! 177 * @link http://www.faqs.org/rfcs/rfc2822.html (paras 3.4.1 & 3.2.4) 178 * 179 * @author Chris Smith <chris@jalakai.co.uk> 180 * 181 * @param string $email the address to check 182 * @return bool true if address is valid 183 */ 184 185// patterns for use in email detection and validation 186// NOTE: there is an unquoted '/' in RFC2822_ATEXT, it must remain unquoted to be used in the parser 187// the pattern uses non-capturing groups as captured groups aren't allowed in the parser 188// select pattern delimiters with care! 189if (!defined('RFC2822_ATEXT')) define('RFC2822_ATEXT',"0-9a-zA-Z!#$%&'*+/=?^_`{|}~-"); 190if (!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)'); 191 192function mail_isvalid($email){ 193 return preg_match('<^'.PREG_PATTERN_VALID_EMAIL.'$>i', $email); 194} 195 196/** 197 * Quoted printable encoding 198 * 199 * @author umu <umuAThrz.tu-chemnitz.de> 200 * @link http://www.php.net/manual/en/function.imap-8bit.php#61216 201 */ 202function mail_quotedprintable_encode($sText,$maxlen=74,$bEmulate_imap_8bit=true) { 203 // split text into lines 204 $aLines= preg_split("/(?:\r\n|\r|\n)/", $sText); 205 206 for ($i=0;$i<count($aLines);$i++) { 207 $sLine =& $aLines[$i]; 208 if (strlen($sLine)===0) continue; // do nothing, if empty 209 210 $sRegExp = '/[^\x09\x20\x21-\x3C\x3E-\x7E]/e'; 211 212 // imap_8bit encodes x09 everywhere, not only at lineends, 213 // for EBCDIC safeness encode !"#$@[\]^`{|}~, 214 // for complete safeness encode every character :) 215 if ($bEmulate_imap_8bit) 216 $sRegExp = '/[^\x20\x21-\x3C\x3E-\x7E]/e'; 217 218 $sReplmt = 'sprintf( "=%02X", ord ( "$0" ) ) ;'; 219 $sLine = preg_replace( $sRegExp, $sReplmt, $sLine ); 220 221 // encode x09,x20 at lineends 222 { 223 $iLength = strlen($sLine); 224 $iLastChar = ord($sLine{$iLength-1}); 225 226 // !!!!!!!! 227 // imap_8_bit does not encode x20 at the very end of a text, 228 // here is, where I don't agree with imap_8_bit, 229 // please correct me, if I'm wrong, 230 // or comment next line for RFC2045 conformance, if you like 231 if (!($bEmulate_imap_8bit && ($i==count($aLines)-1))) 232 233 if (($iLastChar==0x09)||($iLastChar==0x20)) { 234 $sLine{$iLength-1}='='; 235 $sLine .= ($iLastChar==0x09)?'09':'20'; 236 } 237 } // imap_8bit encodes x20 before chr(13), too 238 // although IMHO not requested by RFC2045, why not do it safer :) 239 // and why not encode any x20 around chr(10) or chr(13) 240 if ($bEmulate_imap_8bit) { 241 $sLine=str_replace(' =0D','=20=0D',$sLine); 242 //$sLine=str_replace(' =0A','=20=0A',$sLine); 243 //$sLine=str_replace('=0D ','=0D=20',$sLine); 244 //$sLine=str_replace('=0A ','=0A=20',$sLine); 245 } 246 247 // finally split into softlines no longer than $maxlen chars, 248 // for even more safeness one could encode x09,x20 249 // at the very first character of the line 250 // and after soft linebreaks, as well, 251 // but this wouldn't be caught by such an easy RegExp 252 if($maxlen){ 253 preg_match_all( '/.{1,'.($maxlen - 2).'}([^=]{0,2})?/', $sLine, $aMatch ); 254 $sLine = implode( '=' . MAILHEADER_EOL, $aMatch[0] ); // add soft crlf's 255 } 256 } 257 258 // join lines into text 259 return implode(MAILHEADER_EOL,$aLines); 260} 261 262 263//Setup VIM: ex: et ts=2 enc=utf-8 : 264