X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fmime.php;h=2ff5d656e4ba2178b79260f4e2996512f7307879;hp=bea74321d43e3daea69ce930648b316a4010f6c5;hb=356d7825d93d29b17e4e437220213c3da8417127;hpb=a4c2cd49d2fbddb3af7fe6c922d39011b726b217

diff --git a/functions/mime.php b/functions/mime.php
index bea74321..2ff5d656 100644
--- a/functions/mime.php
+++ b/functions/mime.php
@@ -5,10 +5,13 @@
     **/
 
 
+   if (!isset($i18n_php))
+      include "../functions/i18n.php";
+
    /** This is the first function called.  It decides if this is a multipart
        message or if it should be handled as a single entity
     **/
-   function decodeMime($body, $bound, $type0, $type1, &$entities) {
+   function decodeMime($body, $bound, $type0, $type1, $encoding, &$entities) {
       if ($type0 == "multipart") {
          $bound = trim($bound);
          $i = 0;
@@ -185,83 +188,39 @@
    function decodeBody($body, $encoding) {
       $encoding = strtolower($encoding);
 
-      if ($encoding == "us-ascii") {
-         $newbody = $body; // if only they all were this easy
-
-      } else if ($encoding == "quoted-printable") {
-         $body_ary = explode("\n", $body);
-
-         for ($q=0; $q < count($body_ary); $q++) {
-            if (substr(trim($body_ary[$q]), -1) == "=") {
-               $body_ary[$q] = trim($body_ary[$q]);
-               $body_ary[$q] = substr($body_ary[$q], 0, strlen($body_ary[$q])-1);
-            } else if (substr(trim($body_ary[$q]), -3) == "=20") {
-               $body_ary[$q] = trim($body_ary[$q]);
-               $body_ary[$q] = substr($body_ary[$q], 0, strlen($body_ary[$q])-3);
-               $body_ary[$q] = "$body_ary[$q]\n";
-            }
-         }
-
-         for ($q=0;$q < count($body_ary);$q++) {
-            $body_ary[$q] = ereg_replace("=3D", "=", $body_ary[$q]);
-         }
+      if ($encoding == "quoted-printable") {
+         $body = quoted_printable_decode($body);
 
-         $body = "";
-         for ($i = 0; $i < count($body_ary); $i++) {
-            $body .= "$body_ary[$i]\n";
-         }
-
-         $newbody = $body;
+         while (ereg("=\n", $body))
+            $body = ereg_replace ("=\n", "", $body);
       } else if ($encoding == "base64") {
-         $newbody = base64_decode($body);
-
-      } else {
-         $newbody = $body;
+         $body = base64_decode($body);
       }
-      return $newbody;
+
+      // All other encodings are returned raw.
+      return $body;
    }
 
 
    // This functions decode strings that is encoded according to 
    // RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text).
-   function rfc1522Decode ($string) {
-      // Recognizing only US-ASCII and ISO-8859. Other charsets should
-      // probably be recognized as well.
-      if (eregi('=\?(us-ascii|iso-8859-([0-9])+)\?(q|b)\?([^?]+)\?=', 
+   function decodeHeader ($string) {
+      if (eregi('=\?([^?]+)\?(q|b)\?([^?]+)\?=', 
                 $string, $res)) {
-         if (ucfirst($res[3]) == "B") {
-            $replace = base64_decode($res[4]);
+         if (ucfirst($res[2]) == "B") {
+            $replace = base64_decode($res[3]);
          } else {
-            $replace = ereg_replace("_", " ", $res[4]);
+            $replace = ereg_replace("_", " ", $res[3]);
             $replace = quoted_printable_decode($replace);
          }
 
-         // Only US-ASCII and ISO-8859-1 can be displayed without further ado
-         if ($res[2] != "" && $res[2] != "1") {
-            // This get rid of all characters with over 0x9F
-            $replace = strtr($replace, "\240\241\242\243\244\245\246\247".
-                             "\250\251\252\253\254\255\256\257".
-                             "\260\261\262\263\264\265\266\267".
-                             "\270\271\272\273\274\275\276\277".
-                             "\300\301\302\303\304\305\306\307".
-                             "\310\311\312\313\314\315\316\317".
-                             "\320\321\322\323\324\325\326\327".
-                             "\330\331\332\333\334\335\336\337".
-                             "\340\341\342\343\344\345\346\347".
-                             "\350\351\352\353\354\355\356\357".
-                             "\360\361\362\363\364\365\366\367".
-                             "\370\371\372\373\374\375\376\377", 
-                             "????????????????????????????????????????".
-                             "????????????????????????????????????????".
-                             "????????????????????????????????????????".
-                             "????????");
-         }
+         $replace = charset_decode ($res[1], $replace);
 
          $string = eregi_replace
-            ('=\?(us-ascii|iso-8859-([0-9])+)\?(q|b)\?([^?]+)\?=',
+            ('=\?([^?]+)\?(q|b)\?([^?]+)\?=',
              $replace, $string);
-
-         return (rfc1522Decode($string));
+         // In case there should be more encoding in the string: recurse
+         return (decodeHeader($string));
       } else         
          return ($string);
    }