X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fmime.php;h=ef00957c74b2519bb77c3eeb645d7466fde66b63;hb=9d157cec2821461fe4d348a47e2312db5e84c052;hp=33148ada28f46a7996e777abc8d9d48ca5dbe1e2;hpb=97be216806423d7008317ac7b4ca81ca8a4c8504;p=squirrelmail.git

diff --git a/functions/mime.php b/functions/mime.php
index 33148ada..ef00957c 100644
--- a/functions/mime.php
+++ b/functions/mime.php
@@ -1,87 +1,105 @@
-<?
+<?php
    /** mime.php
     **
-    ** This contains the functions necessary to detect and decode MIME messages.
+    ** This contains the functions necessary to detect and decode MIME
+    ** messages.
+    **
     **/
 
+   $mime_php = true;
 
-   function decodeMime($body, $bound, $type0, $type1) {
-      if ($type0 == "multipart") {
-         if ($body[0] == "")
-            $i = 1;
-         else
-            $i = 0;
+   if (!isset($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, $encoding, $charset, &$entities) {
+      if ($type0 == "multipart") {
          $bound = trim($bound);
-         $bound = "--$bound";
-         while ($i < count($body)) {
-            if (trim($body[$i]) == $bound) {
-               $j = $i + 1;
+         $i = 0;
+         while (($i < count($body)) && (substr($body[$i], 0, strlen("--$bound--")) != "--$bound--")) {
+            if (trim($body[$i]) == "--$bound") {
+               $j = $i+1;
                $p = 0;
 
-               while ((substr(trim($body[$j]), 0, strlen($bound)) != $bound) && (trim($body[$j]) != "")) {
-                  $entity_header[$p] = $body[$j];
+               /** Lets find the header for this entity **/
+               /** If the first line after the boundary is blank, we
+                   use default values **/
+               if (trim($body[$j]) == "") {
+                  $ent_type0 = "text";
+                  $ent_type1 = "plain";
+                  $charset = "us-ascii";
                   $j++;
-                  $p++;
+               /** If the first line ISNT blank, read in the header
+                   for this entity **/
+               } else {
+                  while ((substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") && (trim($body[$j]) != "")) {
+                     $entity_header[$p] = $body[$j];
+                     $j++;
+                     $p++;
+                  }
+                  /** All of these values are getting passed back to us **/
+                  sqimap_get_entity_header($imapConnection, $entity_header, $ent_type0, $ent_type1, $ent_bound, $encoding, $charset, $filename);
                }
 
-               fetchEntityHeader($imapConnection, $entity_header, $ent_type0, $ent_type1, $ent_bound, $encoding, $charset, $filename);
 
-               if ($ent_type0 == "text") {
-                  while (substr(trim($body[$j]), 0, strlen($bound)) != $bound) {
-                     $entity_body[$p] = $body[$j];
+               /** OK, we have the header information, now lets decide
+                   what to do with it **/
+               if ($ent_type0 == "multipart") {
+                  $y = 0;
+                  while (substr($body[$j], 0, strlen("--$bound--")) != "--$bound--") {
+                     $ent_body[$y] = $body[$j];
+                     $y++;
                      $j++;
-                     $p++;
                   }
+                  $ent = decodeMime($ent_body, $ent_bound, $ent_type0, $ent_type1, $charset, $entities);
+                  $entities = $ent;
                } else {
                   $j++;
                   $entity_body = "";
-                  while (substr(trim($body[$j]), 0, strlen($bound)) != $bound) {
+                  while (substr(trim($body[$j]), 0, strlen("--$bound")) != "--$bound") {
                      $entity_body .= $body[$j];
                      $j++;
                   }
+                  $count = count($entities);
+                  $entities[$count] = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset, $filename);
                }
-               $entity = getEntity($entity_body, $ent_bound, $ent_type0, $ent_type1, $encoding, $charset, $filename);
-
-               $q = count($full_message);
-               $full_message[$q] = $entity[0];
             }
             $i++;
          }
       } else {
-         $full_message = getEntity($body, $bound, $type0, $type1);
+         /** If this isn't a multipart message **/
+         $j = 0;
+         $entity_body = "";
+         while ($j < count($body)) {
+            $entity_body .= $body[$j];
+            $j++;
+         }
+
+         $count = count($entities);
+         $entities[$count] = getEntity($entity_body, $bound, $type0, $type1, $encoding, $charset, $filename);
       }
 
-      return $full_message;
+      return $entities;
    }
 
    /** This gets one entity's properties **/
    function getEntity($body, $bound, $type0, $type1, $encoding, $charset, $filename) {
-      $msg[0]["TYPE0"] = $type0;
-      $msg[0]["TYPE1"] = $type1;
-      $msg[0]["ENCODING"] = $encoding;
-      $msg[0]["CHARSET"] = $charset;
-      $msg[0]["FILENAME"] = $filename;
-
-      if ($type0 == "text") {
-         // error correcting if they didn't follow RFC standards
-         if (trim($type1) == "")
-            $type1 = "plain";
-
-         if ($type1 == "plain") {
-            for ($p = 0;$p < count($body);$p++) {
-               $msg[0]["BODY"][$p] = parsePlainTextMessage($body[$p]);
-            }
-         } else {
-            $msg[0]["BODY"] = $body;
-         }
-      } else {
-         $msg[0]["BODY"][0] = $body;
-      }
+      $msg["TYPE0"] = $type0;
+      $msg["TYPE1"] = $type1;
+      $msg["ENCODING"] = $encoding;
+      $msg["CHARSET"] = $charset;
+      $msg["FILENAME"] = $filename;
+
+      $msg["BODY"] = $body;
 
       return $msg;
    }
 
+   /** This will check whether or not the message contains a certain type.  It
+       searches through all the entities for a match.
+    **/
    function containsType($message, $type0, $type1, &$ent_num) {
       $type0 = strtolower($type0);
       $type1 = strtolower($type1);
@@ -104,27 +122,51 @@
       return false;
    }
 
-   function formatBody($message) {
+   /** This returns a parsed string called $body. That string can then
+       be displayed as the actual message in the HTML. It contains
+       everything needed, including HTML Tags, Attachments at the
+       bottom, etc.
+    **/
+   function formatBody($message, $color, $wrap_at) {
+      /** this if statement checks for the entity to show as the
+          primary message. To add more of them, just put them in the
+          order that is their priority.
+       **/
+      $id = $message["INFO"]["ID"];
+      $urlmailbox = urlencode($message["INFO"]["MAILBOX"]);
+
       if (containsType($message, "text", "html", $ent_num)) {
          $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+         $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
       } else if (containsType($message, "text", "plain", $ent_num)) {
          $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
-      } // add other primary displaying message types here
-
+         $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
+      }
+      // add other primary displaying message types here
       else {
          // find any type that's displayable
          if (containsType($message, "text", "any_type", $ent_num)) {
             $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+            $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
          } else if (containsType($message, "message", "any_type", $ent_num)) {
             $body = decodeBody($message["ENTITIES"][$ent_num]["BODY"], $message["ENTITIES"][$ent_num]["ENCODING"]);
+            $charset = $message["ENTITIES"][$ent_num]["CHARSET"];
          }
       }
 
+      /** If there are other types that shouldn't be formatted, add
+          them here **/
+      if ($message["ENTITIES"][$ent_num]["TYPE1"] != "html")
+         $body = translateText($body, $wrap_at, $charset);
+
+
+      $body .= "<BR><SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$ent_num&mailbox=$urlmailbox\">". _("Download this as a file") ."</A></CENTER><BR></SMALL>";
 
       /** Display the ATTACHMENTS: message if there's more than one part **/
       if (count($message["ENTITIES"]) > 1) {
-         $pos = count($body);
-         $body[$pos] .= "<BR><TT><U><B>ATTACHMENTS:</B></U></TT><BR>";
+         $body .= "<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=4 BORDER=0><TR><TD BGCOLOR=\"$color[0]\">";
+         $body .= "<TT><B>ATTACHMENTS:</B></TT>";
+         $body .= "</TD></TR><TR><TD BGCOLOR=\"$color[0]\">";
          $num = 0;
 
          for ($i = 0; $i < count($message["ENTITIES"]); $i++) {
@@ -138,47 +180,85 @@
             $num++;
             $filename = $message["ENTITIES"][$i]["FILENAME"];
             if (trim($filename) == "") {
-               $filename = "UNKNOWN_FORMAT_" . time() . $i;
-               $display_filename = "Attachment $i";
+               $display_filename = "untitled$i";
             } else {
                $display_filename = $filename;
             }
 
-
             $urlMailbox = urlencode($message["INFO"]["MAILBOX"]);
             $id = $message["INFO"]["ID"];
-            $body[$pos] .= "<TT>&nbsp;&nbsp;&nbsp;<A HREF=\"../src/download.php?passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$i\">" . $display_filename . "</A>&nbsp;&nbsp;<SMALL>(TYPE: $type0/$type1)</SMALL></TT><BR>";
-
+            $body .= "<TT>&nbsp;&nbsp;&nbsp;<A HREF=\"../src/download.php?passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$i\">" . $display_filename . "</A>&nbsp;&nbsp;<SMALL>(TYPE: $type0/$type1)</SMALL></TT><BR>";
          }
+         $body .= "</TD></TR></TABLE>";
       }
-
       return $body;
    }
 
+
+
+   /** this function decodes the body depending on the encoding type. **/
    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") {
-         for ($q=0; $q < count($body); $q++) {
-            if (substr(trim($body[$q]), -1) == "=") {
-               $body[$q] = trim($body[$q]);
-               $body[$q] = substr($body[$q], 0, strlen($body[$q])-1);
-            } else if (substr(trim($body[$q]), -3) == "=20") {
-               $body[$q] = trim($body[$q]);
-               $body[$q] = substr($body[$q], 0, strlen($body[$q])-3);
-               $body[$q] = "$body[$q]\n"; // maybe should be \n.. dunno
-            }
+
+      if ($encoding == "quoted-printable") {
+         $body = quoted_printable_decode($body);
+
+         while (ereg("=\n", $body))
+            $body = ereg_replace ("=\n", "", $body);
+      } else if ($encoding == "base64") {
+         $body = base64_decode($body);
+      }
+
+      // All other encodings are returned raw.
+      return $body;
+   }
+
+
+   // This functions decode strings that is encoded according to 
+   // RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text).
+   function decodeHeader ($string) {
+      if (eregi('=\?([^?]+)\?(q|b)\?([^?]+)\?=', 
+                $string, $res)) {
+         if (ucfirst($res[2]) == "B") {
+            $replace = base64_decode($res[3]);
+         } else {
+            $replace = ereg_replace("_", " ", $res[3]);
+            $replace = quoted_printable_decode($replace);
          }
-         for ($q=0;$q < count($body);$q++) {
-            $body[$q] = ereg_replace("=3D", "=", $body[$q]);
+
+         $replace = charset_decode ($res[1], $replace);
+
+         $string = eregi_replace
+            ('=\?([^?]+)\?(q|b)\?([^?]+)\?=',
+             $replace, $string);
+         // In case there should be more encoding in the string: recurse
+         return (decodeHeader($string));
+      } else         
+         return ($string);
+   }
+
+   // Encode a string according to RFC 1522 for use in headers if it
+   // contains 8-bit characters
+   function encodeHeader ($string) {
+      global $default_charset;
+
+      // Encode only if the string contains 8-bit characters
+      if (ereg("[\200-\377]", $string)) {
+         $newstring = "=?$default_charset?Q?";
+         $newstring .= str_replace(" ", "_", $string);
+         
+         while (ereg("([\200-\377])", $newstring, $regs)) {
+            $replace = $regs[1];
+            $insert = "=" . bin2hex($replace);
+            $newstring = str_replace($replace, $insert, $newstring);
          }
-         $newbody = $body;
-      } else if ($encoding == "base64") {
-         $newbody = base64_decode($body);
-      } else {
-         $newbody = $body;
+
+         $newstring .= "?=";
+
+         return $newstring;
       }
-      return $newbody;
+
+      return $string;
    }
-?>
\ No newline at end of file
+
+?>