1 files changed, 166 insertions, 0 deletions
diff --git a/platform/www/inc/mail.php b/platform/www/inc/mail.php
new file mode 100644
index 0000000..ef4f440
--- /dev/null
+++ b/platform/www/inc/mail.php
@@ -0,0 +1,166 @@
+<?php
+/**
+ * Mail functions
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <andi@splitbrain.org>
+ */
+
+// 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;
+}
+
+/**
+ * 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] ) ) ;
+}