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- <?php
- /**
- * Mail functions
- *
- * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- /**
- * Patterns for use in email detection and validation
- *
- * NOTE: there is an unquoted '/' in RFC2822_ATEXT, it must remain unquoted to be used in the parser
- * the pattern uses non-capturing groups as captured groups aren't allowed in the parser
- * select pattern delimiters with care!
- *
- * May not be completly RFC conform!
- * @link http://www.faqs.org/rfcs/rfc2822.html (paras 3.4.1 & 3.2.4)
- *
- * @author Chris Smith <chris@jalakai.co.uk>
- * Check if a given mail address is valid
- */
- if (!defined('RFC2822_ATEXT')) define('RFC2822_ATEXT',"0-9a-zA-Z!#$%&'*+/=?^_`{|}~-");
- 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]{2,63})'
- );
- /**
- * Prepare mailfrom replacement patterns
- *
- * Also prepares a mailfromnobody config that contains an autoconstructed address
- * if the mailfrom one is userdependent and this might not be wanted (subscriptions)
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function mail_setup(){
- global $conf;
- global $USERINFO;
- /** @var Input $INPUT */
- global $INPUT;
- // auto constructed address
- $host = @parse_url(DOKU_URL,PHP_URL_HOST);
- if(!$host) $host = 'example.com';
- $noreply = 'noreply@'.$host;
- $replace = array();
- if(!empty($USERINFO['mail'])){
- $replace['@MAIL@'] = $USERINFO['mail'];
- }else{
- $replace['@MAIL@'] = $noreply;
- }
- // use 'noreply' if no user
- $replace['@USER@'] = $INPUT->server->str('REMOTE_USER', 'noreply', true);
- if(!empty($USERINFO['name'])){
- $replace['@NAME@'] = $USERINFO['name'];
- }else{
- $replace['@NAME@'] = '';
- }
- // apply replacements
- $from = str_replace(array_keys($replace),
- array_values($replace),
- $conf['mailfrom']);
- // any replacements done? set different mailfromnone
- if($from != $conf['mailfrom']){
- $conf['mailfromnobody'] = $noreply;
- }else{
- $conf['mailfromnobody'] = $from;
- }
- $conf['mailfrom'] = $from;
- }
- /**
- * Check if a given mail address is valid
- *
- * @param string $email the address to check
- * @return bool true if address is valid
- */
- function mail_isvalid($email) {
- return EmailAddressValidator::checkEmailAddress($email, true);
- }
- /**
- * Quoted printable encoding
- *
- * @author umu <umuAThrz.tu-chemnitz.de>
- * @link http://php.net/manual/en/function.imap-8bit.php#61216
- *
- * @param string $sText
- * @param int $maxlen
- * @param bool $bEmulate_imap_8bit
- *
- * @return string
- */
- function mail_quotedprintable_encode($sText,$maxlen=74,$bEmulate_imap_8bit=true) {
- // split text into lines
- $aLines= preg_split("/(?:\r\n|\r|\n)/", $sText);
- $cnt = count($aLines);
- for ($i=0;$i<$cnt;$i++) {
- $sLine =& $aLines[$i];
- if (strlen($sLine)===0) continue; // do nothing, if empty
- $sRegExp = '/[^\x09\x20\x21-\x3C\x3E-\x7E]/e';
- // imap_8bit encodes x09 everywhere, not only at lineends,
- // for EBCDIC safeness encode !"#$@[\]^`{|}~,
- // for complete safeness encode every character :)
- if ($bEmulate_imap_8bit)
- $sRegExp = '/[^\x20\x21-\x3C\x3E-\x7E]/';
- $sLine = preg_replace_callback( $sRegExp, 'mail_quotedprintable_encode_callback', $sLine );
- // encode x09,x20 at lineends
- {
- $iLength = strlen($sLine);
- $iLastChar = ord($sLine[$iLength-1]);
- // !!!!!!!!
- // imap_8_bit does not encode x20 at the very end of a text,
- // here is, where I don't agree with imap_8_bit,
- // please correct me, if I'm wrong,
- // or comment next line for RFC2045 conformance, if you like
- if (!($bEmulate_imap_8bit && ($i==count($aLines)-1))){
- if (($iLastChar==0x09)||($iLastChar==0x20)) {
- $sLine[$iLength-1]='=';
- $sLine .= ($iLastChar==0x09)?'09':'20';
- }
- }
- } // imap_8bit encodes x20 before chr(13), too
- // although IMHO not requested by RFC2045, why not do it safer :)
- // and why not encode any x20 around chr(10) or chr(13)
- if ($bEmulate_imap_8bit) {
- $sLine=str_replace(' =0D','=20=0D',$sLine);
- //$sLine=str_replace(' =0A','=20=0A',$sLine);
- //$sLine=str_replace('=0D ','=0D=20',$sLine);
- //$sLine=str_replace('=0A ','=0A=20',$sLine);
- }
- // finally split into softlines no longer than $maxlen chars,
- // for even more safeness one could encode x09,x20
- // at the very first character of the line
- // and after soft linebreaks, as well,
- // but this wouldn't be caught by such an easy RegExp
- if($maxlen){
- preg_match_all( '/.{1,'.($maxlen - 2).'}([^=]{0,2})?/', $sLine, $aMatch );
- $sLine = implode( '=' . MAILHEADER_EOL, $aMatch[0] ); // add soft crlf's
- }
- }
- // join lines into text
- return implode(MAILHEADER_EOL,$aLines);
- }
- function mail_quotedprintable_encode_callback($matches){
- return sprintf( "=%02X", ord ( $matches[0] ) ) ;
- }
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