public/ws-vacation Changeset - r11:0ea9b2bfb110

Changeset - r11:0ea9b2bfb110

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v0.5 default

0 3 0

Wolfgang Scherer (ws) - 13 years ago 2012-03-30 21:10:05
wolfgang.scherer@gmx.de

lib/util.php: Quoted printable in headers is quite tricky.
Since vacation does not know how to handle mail header quoted printable,
avoid nested quoting by moving $SUBJECT outside of quoted parts.

lib/ws-vacation.conf.in: turn magic_quotes_gpc off (what a drag :))

3 files changed with 85 insertions and 23 deletions:

lib/util.php

lib/ws-vacation.conf.in

test/qp-check.php

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lib/util.php

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@@ @@ -260,27 +260,86 @@ if (!function_exists("quoted_printable_e @@
          * this works, but replaces more characters than the minimum set. For readability
          * the spaces and CRLF pairs aren't encoded though.
          */
         function quoted_printable_encode($string) {
             $string = str_replace(array('%20', '%0D%0A', '%'), array(' ', "\r\n", '='), rawurlencode($string));
             $string = preg_replace('/[^\r\n]{73}[^=\r\n]{2}/', "$0=\r\n", $string);
             $string = preg_replace('/=24SUBJECT/', '$SUBJECT', $string);
             return $string;
+        }
+    }
+}
 // there should be no need ... quoted_printable_decode is around since PHP4
 if (!function_exists("quoted_printable_decode")) {
     if (function_exists("imap_qprint")) {
         echo "imap_qprint";
         function quoted_printable_decode($string) {
             return imap_qprint($string);
+        }
     } else {
+    }
+}
 function subject_quoted_printable_encode ($subject)
+{
     $parts = preg_split('/[$]SUBJECT/', $subject);
     $indx = 0;
     $partsq = Array();
     foreach ($parts as $part) {
         if ( $indx > 0 ) {
             $partsq[] = '$SUBJECT';
+        }
         $indx += 1;
         if ( empty($part) ) {
             continue;
+        }
         $partq = quoted_printable_encode($part);
         if ( $partq != $part ) {
             $partq = preg_replace('/[?]/', '=3F', $partq);
             $partsq[] = sprintf('=?utf-8?Q?%s?=', $partq);
         } else {
             $partsq[] = $partq;
+        }
+    }
     return implode($partsq, '');
+}
 function subject_quoted_printable_decode ($subject)
+{
     $sdecoded = Array();
     $matches = Array();
     preg_match_all('/=[?]utf-8[?]Q[?]|[?]=/', $subject, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
     $indx = 0;
     $limit = count($matches);
     $start = 0;
     for ( $indx = 0; $indx<$limit; ) {
         $match = $matches[$indx][0][0];
         $offset = $matches[$indx][0][1];
         $indx += 1;
         if ( $match != "=?utf-8?Q?") {
             continue;
+        }
         $sdecoded[] = substr($subject, $start, $offset - $start);
         $start = $offset + strlen($match);
         if ( $indx>=$limit ) {
             break;
+        }
         $match1 = $matches[$indx][0][0];
         $offset1 = $matches[$indx][0][1];
         $indx += 1;
         if ( $match != "?=") {
             // |:todo:| echo "warning: second match is not `?='\n";/*  */
+        }
         $epart = substr($subject, $start, $offset1 - $start);
         $sdecoded[] = quoted_printable_decode($epart);
         $start = $offset1 + strlen($match1);
+    }
     $sdecoded[] = substr($subject, $start);
     return implode($sdecoded, '');
+}
 function vacation_split($message, $decode)
+{
     $lines = explode("\n", $message);
     $subject = array_shift($lines);
@@ @@ -293,55 +352,44 @@ function vacation_split($message, $decod @@
             break;
+        }
         $headers[] = $line;
+    }
     $headers = implode($headers, "\n");
     $body = implode($lines, "\n");
     if ( $decode )
+    {
         if ( preg_match("/^=[?]/", $subject) )
+        {
             $subject = preg_replace('/^=[?]utf-8[?]Q[?]/', '', $subject);
             $subject = preg_replace('/[?]=$/', '', $subject);
             $subject = quoted_printable_decode($subject);
+        }
     if ( $decode ) {
         $subject = subject_quoted_printable_decode($subject);
         $body = quoted_printable_decode($body);
+    }
     return Array($subject, $headers, $body);
+}
 function vacation_join($subject, $body, $headers=Null)
+{
     $subject = trim($subject);
     $subjectq = quoted_printable_encode($subject);
     if ( $subjectq != $subject )
+    {
         $subject = sprintf('=?utf-8?Q?%s?=', $subjectq);
+    }
     $subject = subject_quoted_printable_encode($subject);
     $subject = 'Subject: ' . $subject;
     $headera = Array(
         $subject,
         'Content-Type: text/plain;'."\n"
         .'  charset="utf-8"'."\n"
         .'Content-Transfer-Encoding: quoted-printable');
     if (!empty($headers))
+    {
     if (!empty($headers)) {
         $headers = trim($headers);
         if (!empty($headers))
+        {
         if (!empty($headers)) {
             $headers = preg_replace("/\n\n+/", "\n", $headers);
             $headera[] = $headers;
+        }
+    }
     $headers = implode($headera, "\n");
     if (empty($body))
+    {
     if (empty($body)) {
         $body = '';
+    }
     $body = quoted_printable_encode($body);
     $body = preg_replace('/=24SUBJECT/', '$SUBJECT', $body);
     return sprintf("%s\n\n%s\n",
-                   $headers, quoted_printable_encode($body));
                    $headers, $body);
+}
 //
 // :ide-menu: Emacs IDE Menu - Buffer @BUFFER@
 // . M-x `eIDE-menu' ()(eIDE-menu "z")
 // :ide: COMPILE: PHP _DEBUG_=2 _DEBUG_TEST_=2

lib/ws-vacation.conf.in

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@@ @@ -4,12 +4,13 @@ Alias /vacation @base_dir@ @@
         Options FollowSymLinks Indexes
         AllowOverride All
         Order allow,deny
         Allow from all
         <IfModule mod_php5.c>
                 AddType application/x-httpd-php .php
 		php_flag magic_quotes_gpc Off
         </IfModule>
 </Directory>
 # :ide-menu: Emacs IDE Menu - Buffer @BUFFER@
 # . M-x `eIDE-menu' ()(eIDE-menu "z")

test/qp-check.php

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@@ @@ -19,15 +19,28 @@ @@
 // or write to Wolfgang Scherer, <Wolfgang.Scherer at gmx.de>
 // $_REQUEST['_DEBUG_'] = 1;
 // $_REQUEST['_DEBUG_TEST_'] = 1;
 require_once(dirname(__FILE__) . '/../lib/util.php');
 $msg = get_text('vacation');
 echo "--------------------------------------------------\n";
 $subject = '$SUBJECT';
 $subject = 'Re: ?= $SUBJECT$SUBJECT, äöü ?=$SUBJECT';
 $subject = subject_quoted_printable_encode($subject);
 echo 'Subject: ' . $subject . "\n";
 // var_dump($subject_partsq);
 echo "--------------------------------------------------\n";
 $sencoded = $subject . '+' . $subject;
 $subject = subject_quoted_printable_decode($sencoded);
 echo 'Subject: ' . $subject . "\n";
 echo "--------------------------------------------------\n";
 $msg = get_text('vacation');
 $vacationa = vacation_split($msg, False);
 $subject = $vacationa[0];
 $headers = $vacationa[1];
 $body = $vacationa[2];
 $msg = vacation_join($subject, $body, $headers);

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