diff options
Diffstat (limited to 'vendors/dokuwiki/inc/mail.php')
| -rw-r--r-- | vendors/dokuwiki/inc/mail.php | 266 | 
1 files changed, 266 insertions, 0 deletions
| diff --git a/vendors/dokuwiki/inc/mail.php b/vendors/dokuwiki/inc/mail.php new file mode 100644 index 000000000..3b0592b8b --- /dev/null +++ b/vendors/dokuwiki/inc/mail.php @@ -0,0 +1,266 @@ +<?php +/** + * Mail functions + * + * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html) + * @author     Andreas Gohr <andi@splitbrain.org> + */ + +if(!defined('DOKU_INC')) die('meh.'); +require_once(DOKU_INC.'inc/utf8.php'); +require_once(DOKU_INC.'inc/EmailAddressValidator.php'); + +// end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?) +// think different +if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL',"\n"); +#define('MAILHEADER_ASCIIONLY',1); + +/** + * 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]{2,4}|museum|travel)'); + + + +/** + * UTF-8 autoencoding replacement for PHPs mail function + * + * Email address fields (To, From, Cc, Bcc can contain a textpart and an address + * like this: 'Andreas Gohr <andi@splitbrain.org>' - the text part is encoded + * automatically. You can seperate receivers by commas. + * + * @param string $to      Receiver of the mail (multiple seperated by commas) + * @param string $subject Mailsubject + * @param string $body    Messagebody + * @param string $from    Sender address + * @param string $cc      CarbonCopy receiver (multiple seperated by commas) + * @param string $bcc     BlindCarbonCopy receiver (multiple seperated by commas) + * @param string $headers Additional Headers (seperated by MAILHEADER_EOL + * @param string $params  Additonal Sendmail params (passed to mail()) + * + * @author Andreas Gohr <andi@splitbrain.org> + * @see    mail() + */ +function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){ + +    $message = compact('to','subject','body','from','cc','bcc','headers','params'); +    return trigger_event('MAIL_MESSAGE_SEND',$message,'_mail_send_action'); +} + +function _mail_send_action($data) { + +    // retrieve parameters from event data, $to, $subject, $body, $from, $cc, $bcc, $headers, $params +    $to = $data['to']; +    $subject = $data['subject']; +    $body = $data['body']; + +    // add robustness in case plugin removes any of these optional values +    $from = isset($data['from']) ? $data['from'] : ''; +    $cc = isset($data['cc']) ? $data['cc'] : ''; +    $bcc = isset($data['bcc']) ? $data['bcc'] : ''; +    $headers = isset($data['headers']) ? $data['headers'] : null; +    $params = isset($data['params']) ? $data['params'] : null; + +    // end additional code to support event ... original mail_send() code from here + +    if(defined('MAILHEADER_ASCIIONLY')){ +        $subject = utf8_deaccent($subject); +        $subject = utf8_strip($subject); +    } + +    if(!utf8_isASCII($subject)) { +        $subject = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?='; +        // Spaces must be encoded according to rfc2047. Use the "_" shorthand +        $subject = preg_replace('/ /', '_', $subject); +    } + +    $header  = ''; + +    // No named recipients for To: in Windows (see FS#652) +    $usenames = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? false : true; + +    $to = mail_encode_address($to,'',$usenames); +    $header .= mail_encode_address($from,'From'); +    $header .= mail_encode_address($cc,'Cc'); +    $header .= mail_encode_address($bcc,'Bcc'); +    $header .= 'MIME-Version: 1.0'.MAILHEADER_EOL; +    $header .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL; +    $header .= 'Content-Transfer-Encoding: quoted-printable'.MAILHEADER_EOL; +    $header .= $headers; +    $header  = trim($header); + +    $body = mail_quotedprintable_encode($body); + +    if($params == null){ +        return @mail($to,$subject,$body,$header); +    }else{ +        return @mail($to,$subject,$body,$header,$params); +    } +} + +/** + * Encodes an email address header + * + * Unicode characters will be deaccented and encoded + * quoted_printable for headers. + * Addresses may not contain Non-ASCII data! + * + * Example: + *   mail_encode_address("föö <foo@bar.com>, me@somewhere.com","TBcc"); + * + * @param string  $string Multiple adresses separated by commas + * @param string  $header Name of the header (To,Bcc,Cc,...) + * @param boolean $names  Allow named Recipients? + */ +function mail_encode_address($string,$header='',$names=true){ +    $headers = ''; +    $parts = explode(',',$string); +    foreach ($parts as $part){ +        $part = trim($part); + +        // parse address +        if(preg_match('#(.*?)<(.*?)>#',$part,$matches)){ +            $text = trim($matches[1]); +            $addr = $matches[2]; +        }else{ +            $addr = $part; +        } + +        // skip empty ones +        if(empty($addr)){ +            continue; +        } + +        // FIXME: is there a way to encode the localpart of a emailaddress? +        if(!utf8_isASCII($addr)){ +            msg(htmlspecialchars("E-Mail address <$addr> is not ASCII"),-1); +            continue; +        } + +        if(!mail_isvalid($addr)){ +            msg(htmlspecialchars("E-Mail address <$addr> is not valid"),-1); +            continue; +        } + +        // text was given +        if(!empty($text) && $names){ +            // add address quotes +            $addr = "<$addr>"; + +            if(defined('MAILHEADER_ASCIIONLY')){ +                $text = utf8_deaccent($text); +                $text = utf8_strip($text); +            } + +            if(!utf8_isASCII($text)){ +                $text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text,0).'?='; +            } +        }else{ +            $text = ''; +        } + +        // add to header comma seperated +        if($headers != ''){ +            $headers .= ','; +            if($header) $headers .= MAILHEADER_EOL.' '; // avoid overlong mail headers +        } +        $headers .= $text.' '.$addr; +    } + +    if(empty($headers)) return null; + +    //if headername was given add it and close correctly +    if($header) $headers = $header.': '.$headers.MAILHEADER_EOL; + +    return $headers; +} + +/** + * 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){ +    $validator = new EmailAddressValidator; +    return $validator->check_email_address($email); +} + +/** + * Quoted printable encoding + * + * @author umu <umuAThrz.tu-chemnitz.de> + * @link   http://www.php.net/manual/en/function.imap-8bit.php#61216 + */ +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]/e'; + +        $sReplmt = 'sprintf( "=%02X", ord ( "$0" ) ) ;'; +        $sLine = preg_replace( $sRegExp, $sReplmt, $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); +} + | 
