installed dokuwiki, added to navbar, updated news

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diff --git a/wiki/inc/mail.php b/wiki/inc/mail.php
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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')) die('meh.');
+
+// 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]{2,63})');
+
+/**
+ * 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;
+}
+
+/**
+ * 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 $params  Additonal Sendmail params (passed to mail())
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @see    mail()
+ *
+ * @deprecated User the Mailer:: class instead
+ */
+function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){
+    dbg_deprecated('class Mailer::');
+    $message = compact('to','subject','body','from','cc','bcc','headers','params');
+    return trigger_event('MAIL_MESSAGE_SEND',$message,'_mail_send_action');
+}
+
+/**
+ * @param $data
+ * @return bool
+ *
+ * @deprecated User the Mailer:: class instead
+ */
+function _mail_send_action($data) {
+    dbg_deprecated('class Mailer::');
+    // 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']) ? $data['params'] : null;
+
+    // discard mail request if no recipients are available
+    if(trim($to) === '' && trim($cc) === '' && trim($bcc) === '') return false;
+
+    // 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)) {
+        $enc_subj = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?=';
+        // Spaces must be encoded according to rfc2047. Use the "_" shorthand
+        $enc_subj = preg_replace('/ /', '_', $enc_subj);
+
+        // quoted printable has length restriction, use base64 if needed
+        if(strlen($subject) > 74){
+            $enc_subj = '=?UTF-8?B?'.base64_encode($subject).'?=';
+        }
+
+        $subject = $enc_subj;
+    }
+
+    $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 $names  Allow named Recipients?
+ *
+ * @deprecated User the Mailer:: class instead
+ */
+function mail_encode_address($string,$header='',$names=true){
+    dbg_deprecated('class Mailer::');
+    $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($addr)){
+            msg(hsc("E-Mail address <$addr> is not ASCII"),-1);
+            continue;
+        }
+
+        if(!mail_isvalid($addr)){
+            msg(hsc("E-Mail address <$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($text)){
+                // put the quotes outside as in =?UTF-8?Q?"Elan Ruusam=C3=A4e"?= vs "=?UTF-8?Q?Elan Ruusam=C3=A4e?="
+                if (preg_match('/^"(.+)"$/', $text, $matches)) {
+                    $text = '"=?UTF-8?Q?'.mail_quotedprintable_encode($matches[1], 0).'?="';
+                } else {
+                    $text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text, 0).'?=';
+                }
+                // additionally the space character should be encoded as =20 (or each
+                // word QP encoded separately).
+                // however this is needed only in mail headers, not globally in mail_quotedprintable_encode().
+                $text = str_replace(" ", "=20", $text);
+            }
+        }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) {
+    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] ) ) ;
+}