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<?php
/**
* Mail functions
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*/
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
require_once(DOKU_INC.'inc/utf8.php');
define('MAILHEADER_EOL',"\n"); //end of line for mail headers
#define('MAILHEADER_ASCIIONLY',1);
/**
* 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){
if(defined('MAILHEADER_ASCIIONLY')){
$subject = utf8_deaccent($subject);
$subject = utf8_strip($subject);
}
if(!utf8_isASCII($subject))
$subject = '=?UTF-8?Q?'.mail_quotedprintable_encode($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 = '';
$parts = split(',',$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).'?=';
}
}
// add to header comma seperated and in new line to avoid too long headers
if($headers != '') $headers .= ','.MAILHEADER_EOL.' ';
$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;
}
/**
* Uses a regular expresion to check if a given mail address is valid
*
* May not be completly RFC conform!
*
* @link http://www.webmasterworld.com/forum88/135.htm
*
* @param string $email the address to check
* @return bool true if address is valid
*/
function mail_isvalid($email){
return eregi("^[0-9a-z]([+-_.]?[0-9a-z])*@[0-9a-z]([-.]?[0-9a-z])*\\.[a-z]{2,4}$", $email);
}
/**
* Quoted printable encoding
*
* @author <pob@medienrecht.org>
* @author <tamas.tompa@kirowski.com>
* @link http://www.php.net/manual/en/function.quoted-printable-decode.php
*/
function mail_quotedprintable_encode($input='',$line_max=74,$space_conv=false){
$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
$eol = "\n";
$escape = "=";
$output = "";
while( list(, $line) = each($lines) ) {
//$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary
$linlen = strlen($line);
$newline = "";
for($i = 0; $i < $linlen; $i++) {
$c = substr( $line, $i, 1 );
$dec = ord( $c );
if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E
$c = "=2E";
}
if ( $dec == 32 ) {
if ( $i == ( $linlen - 1 ) ) { // convert space at eol only
$c = "=20";
} else if ( $space_conv ) {
$c = "=20";
}
} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
$h2 = floor($dec/16);
$h1 = floor($dec%16);
$c = $escape.$hex["$h2"].$hex["$h1"];
}
if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
$newline = "";
// check if newline first character will be point or not
if ( $dec == 46 ) {
$c = "=2E";
}
}
$newline .= $c;
} // end of for
$output .= $newline.$eol;
} // end of while
return trim($output);
}
//Setup VIM: ex: et ts=2 enc=utf-8 :
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