X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=class%2Fmime.class.php;h=48d2def47750815d39a455012beb02bf53e8989b;hp=84e234f79bb2bbd04492a170e0ac14be51ee213c;hb=c650b678a6cb1cc0250b484e8a28d7487a2986e8;hpb=0cf26f17b63f130ab8f7fd6c631e7b2fccfc6813

diff --git a/class/mime.class.php b/class/mime.class.php
index 84e234f7..48d2def4 100644
--- a/class/mime.class.php
+++ b/class/mime.class.php
@@ -3,878 +3,23 @@
 /**
  * mime.class
  *
- * Copyright (c) 2002 The SquirrelMail Project Team
+ * Copyright (c) 2003-2005 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
- *
  * This contains functions needed to handle mime messages.
  *
- * $Id$
+ * @version $Id$
+ * @package squirrelmail
  */
 
-class msg_header {
-    /** msg_header contains generic variables for values that **/
-    /** could be in a header.                                 **/
-
-    var $type0 = '', $type1 = '', $boundary = '', $charset = '',
-        $encoding='', $size = 0, $to = array(), $from = '', $date = '',
-        $cc = array(), $bcc = array(), $reply_to = '', $subject = '',
-        $id = 0, $mailbox = '', $description = '', $filename = '',
-        $entity_id = 0, $message_id = 0, $name = '', $priority = 3, $type = '',
-	$disposition = '', $md5='', $language='',$dnt = '', $xmailer = '';
-    
-    /* 
-     * returns addres_list of supplied argument
-     * arguments: array('to', 'from', ...) or just a string like 'to'.
-     * result: string: address1, addres2, ....
-     */ 
-    
-    function setVar($var, $value) {
-        $this->{$var} = $value;
-    }
-    /* 
-    * function to get the addres strings out of the header.
-    * Arguments: string or array of strings !
-    * example1: header->getAddr_s('to').
-    * example2: header->getAddr_s(array('to','cc','bcc'))
-    */
-    function getAddr_s($arr) {
-	if (is_array($arr)) {
-	    $s = '';
-	    foreach($arr as $arg ) {
-	       $result = $this->getAddr_s($arg);
-	       if ($result) {
-	          $s .= ', ' . $result;
-	       }
-	    }
-	    if ($s) $s = substr($s,2);
-	    return $s;
-	} else {
-	    $s = '';
-	    eval('$addr = $this->'.$arr.';') ;
-	    if (is_array($addr)) {
-               foreach ($addr as $addr_o) {
-                  if (is_object($addr_o)) {
-                     $s .= $addr_o->getAddress() . ', ';
-                  }
-               }
-	       $s = substr($s,0,-2);
-	    } else {
-	       if (is_object($addr)) {
-	          $s .= $addr->getAddress();
-	       }
-	    }
-	    return $s;
-	}
-    }
-    
-    function getAddr_a($arg, $excl_arr=array(), $arr = array()) {
-	if (is_array($arg)) {
-	    foreach($arg as $argument ) {
-	       $arr = $this->getAddr_a($argument, $excl_arr, $arr);
-	    }
-	    return $arr;
-	} else {
-	    eval('$addr = $this->'.$arg.';') ;
-	    if (is_array($addr)) {
-               foreach ($addr as $addr_o) {
-                  if (is_object($addr_o)) {
-    		     if (isset($addr_o->host) && $addr_o->host !='') {
-    			$email = $addr_o->mailbox.'@'.$addr_o->host;
-    		     } else {
-        	        $email = $addr_o->mailbox;
-    		     }
-		     $email = strtolower($email);
-		     if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
-		        $arr[$email] = $addr_o->personal;
-		     }
-                  }
-               }
-	    } else {
-	       if (is_object($addr)) {
-    		  if (isset($addr->host)) {
-    		     $email = $addr->mailbox.'@'.$addr->host;
-    		  } else {
-        	     $email = $addr->mailbox;
-    		  }
-		  $email = strtolower($email);		  
-		  if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
-		     $arr[$email] = $addr->personal;
-		  }
-	       }
-	    }
-	    return $arr;
-	}
-    }
-}
-
-class address_structure {
-   var $personal = '', $adl = '', $mailbox = '', $host = '', $group = '';
-
-   function getAddress($full=true) {
-     if (is_object($this)) {
-        if (isset($this->host) && $this->host !='') {
-    	   $email = '<'.$this->mailbox.'@'.$this->host.'>';
-        } else {
-           $email = $this->mailbox;
-        }
-        if (trim($this->personal) !='') {
-	   if ($email) {
-        	$addr = '"' . $this->personal . '" ' .$email;
-	   } else {
-	        $addr = $this->personal;
-	   }
-	   $best_dpl = $this->personal;
-        } else {
-           $addr = $email;
-	   $best_dpl = $email;
-        }
-	if ($full) {
-    	   return $addr;
-	} else {
-	   return $best_dpl;
-	}    
-     } else return '';
-   }
-}
-
-class message {
-    /** message is the object that contains messages.  It is a recursive
-      object in that through the $entities variable, it can contain
-      more objects of type message.  See documentation in mime.txt for
-      a better description of how this works.
-    **/
-    var $header = '', $entities = array(), $mailbox = 'INBOX', $id = 0,
-        $envelope = '', $parent_ent, $entity, $type0='', $type1='',
-	$parent = '', $decoded_body='',
-	$is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0,
-	$is_mdnsent = 0;
-
-    function setEnt($ent) {
-        $this->entity_id= $ent;
-    }
-    
-    function setBody($body) {
-        $this->decoded_body = $body;
-    }
-    function addEntity ($msg) {
-        $msg->parent = &$this;
-        $this->entities[] = $msg;
-    }
-
-    function addRFC822Header($read) {
-	$header = new msg_header();
-	$this->header = sqimap_parse_RFC822Header($read,$header);
-    }
-
-    function getEntity($ent) {
-        
-        $cur_ent = $this->entity_id;
-	$msg = $this;
-	if ($cur_ent == '' || $cur_ent == '0') {
-	   $cur_ent_a = array();
-	} else {
-	   $cur_ent_a = explode('.',$this->entity_id);
-	}
-	$ent_a = explode('.',$ent);
-        
-	$cnt = count($ent_a);
-
-	for ($i=0;$i<$cnt -1;$i++) {
-	   if (isset($cur_ent_a[$i]) && $cur_ent_a[$i] != $ent_a[$i]) {
-	      $msg = $msg->parent;
-	      $cur_ent_a = explode('.',$msg->entity_id);
-	      $i--;
-           } else if (!isset($cur_ent_a[$i])) {
-	      if (isset($msg->entities[($ent_a[$i]-1)])) {
-	        $msg = $msg->entities[($ent_a[$i]-1)];
-	      } else {
-	        $msg = $msg->entities[0];
-	      }
-	   }
-	   if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') { 
-	      /*this is a header for a message/rfc822 entity */
-	      $msg = $msg->entities[0];
-	   }
-	}
-
-	if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') { 
-	   /*this is a header for a message/rfc822 entity */
-	   $msg = $msg->entities[0];
-	}
-
-	if (isset($msg->entities[($ent_a[$cnt-1])-1])) {
-	    $msg = $msg->entities[($ent_a[$cnt-1]-1)];
-        }
-
-        return $msg;
-    }
-    
-    function getMailbox() {
-      $msg = $this;
-      while (is_object($msg->parent)) {
-          $msg = $msg->parent;
-      }
-      return $msg->mailbox;
-    }
-    
-    /* 
-     * Bodystructure parser, a recursive function for generating the 
-     * entity-tree with all the mime-parts.
-     * 
-     * It follows RFC2060 and stores all the described fields in the
-     * message object. 
-     *
-     * Question/Bugs:
-     * 
-     * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net.
-     *
-     */
-    function &parseStructure($read, $i=0, $message = false) {
-      $arg_no = 0;
-      $arg_a = array();
-      $cnt = strlen($read);
-      while ($i < $cnt) {
-	$char = strtoupper($read{$i});   
-        switch ($char) {
-	case '(':
-           if ($arg_no == 0 ) {
-	      if (!isset($msg)) {
-	         $msg = new message();
-		 $hdr = new msg_header();
-		 $hdr->type0 = 'text';
-		 $hdr->type1 = 'plain';
-		 $hdr->encoding = 'us-ascii';
-		 
-		 if ($this->type0 == 'message' && $this->type1 == 'rfc822') {
-		    $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */
-		 } else if (isset($this->entity_id) && $this->entity_id !='')  {
-		    $ent_no = count($this->entities)+1;
-		    $par_ent = substr($this->entity_id,-2);
-		    if ($par_ent{0} == '.') {
-		       $par_ent = $par_ent{1};
-		    }
-		    if ($par_ent == '0') {
-			$ent_no = count($this->entities)+1;
-			if ($ent_no > 0) {
-			   $ent = substr($this->entity_id,0,strrpos($this->entity_id,'.'));
-			   if ($ent) {
-			      $ent = $ent . ".$ent_no";
-			   } else {
-			      $ent = $ent_no;
-			   }
-			   $msg->entity_id = $ent;
-			} else {
-	    		   $msg->entity_id = $ent_no;
-			}   
-		    } else {
-	    		$ent = $this->entity_id . ".$ent_no";
-	    		$msg->entity_id = $ent;
-		    }
-		 } else { 
-		    $msg->entity_id = '0';
-		 }
-	      } else {
-	      	   $msg->header->type0 = 'multipart';
-		   $msg->type0 = 'multipart';
-	           while ($read{$i} == '(') {
-	              $msg->addEntity($msg->parseStructure($read,&$i));
-		   }
-	      }
-	   } else {
-	      switch ($arg_no) {
-	       case 1:
-	         /* multipart properties */
-		 $i++;
-		 $arg_a[] = $this->parseProperties($read,&$i);
-		 $arg_no++;
-		 break;
-	       case 2:
-	         if (isset($msg->type0) &&  $msg->type0 == 'multipart') {
-		    $i++;
-		    $arg_a[]= $msg->parseDisposition($read,&$i);
-		 } else { /* properties */
-	            /* properties */
-		    $arg_a[] = $msg->parseProperties($read,&$i);
-		 }
- 	         $arg_no++;
-                 break;
-	       case 3:
-	         if (isset($msg->type0) &&  $msg->type0 == 'multipart') {
-		    $i++;
-		    $arg_a[]= $msg->parseLanguage($read,&$i);
-		 }
-	       case 7:
-	         if ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822') {
-
-		     $msg->header->type0 = $arg_a[0];
-		     $msg->type0 = $arg_a[0];
-
-		     $msg->header->type1 = $arg_a[1];
-		     $msg->type1 = $arg_a[1];
-		 
-		     $msg->parseEnvelope($read,&$i,&$hdr);
-		     $i++;
-		     while ($i < $cnt && $read{$i} != '(') {
-		       $i++;
-		     }
-	             $msg->addEntity($msg->parseStructure($read,&$i));
-		 }
-		 break;
-	       case 8:
-	         $i++;
-		 $arg_a[] = $msg->parseDisposition($read,&$i);
-		 $arg_no++;    
-		 break;
-	       case 9:
-	         if ($arg_a[0] == 'text' || 
-		       ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) {
-	            $i++;
-		    $arg_a[] = $msg->parseDisposition($read,&$i);
-		 } else {
-		    $i++;
-		    $arg_a[] = $msg->parseLanguage($read,&$i);
-		 }
-		 $arg_no++;    
-		 break;
-	       case 10:
-	         if ($arg_a[0] == 'text' ||
-		       ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) {
-		    $i++;		       
- 	    	    $arg_a[] = $msg->parseLanguage($read,&$i);
-		 }  else {
-		    $msg->parseParenthesis($read,&$i);
-		    $arg_a[] = ''; /* not yet desribed in rfc2060 */
-		 }
-	       	 $arg_no++;
-		 break;  
-	       default:
-	         /* unknown argument, skip this part */
-	         $msg->parseParenthesis($read,&$i);
-		 $arg_a[] = '';
-	       	 $arg_no++;		 
-	         break;
-	      } /* switch */
-	   }
-	   break;
-	case '"':         
-	   /* inside an entity -> start processing */
-           $debug = substr($read,$i,20);
-	   $arg_s = $msg->parseQuote($read,&$i);
-	   $arg_no++;
-	   if ($arg_no < 3) $arg_s = strtolower($arg_s); /* type0 and type1 */
-	   $arg_a[] = $arg_s;
-	   break;
-	case 'N':
-	   /* probably NIL argument */
-	   if (strtoupper(substr($read,$i,4)) == 'NIL ' || 
-	       strtoupper(substr($read,$i,4)) == 'NIL)') {
-	      $arg_a[] = '';
-	      $arg_no++;
-	      $i = $i+2;
-	   }      
-	   break;
-	case '{':
-	   /* process the literal value */
-	   $arg_a[] = $msg->parseLiteral($read,&$i);
-	   $arg_no++;
-	   break;
-	case (is_numeric($read{$i}) ):
-	   /* process integers */
-	   if ($read{$i} == ' ') break; 
-	   $arg_s = $read{$i};;
-	   $i++;
-	   while (preg_match('/\d+/',$read{$i})) { // != ' ') {
-	      $arg_s .= $read{$i};
-	      $i++;
-	   }
-	   $arg_no++;
-	   $arg_a[] = $arg_s;
-	   break;
-	case ')':
-	   if (isset($msg->type0) && $msg->type0 == 'multipart') {
-	      $multipart = true;
-	   } else {
-	      $multipart = false;
-	   }
-	   if (!$multipart) {
-	      if ($arg_a[0] == 'text' ||
-	           ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) {
-	         $shifted_args = true;
-	      } else { 
-	         $shifted_args = false;
-	      }
-	      $hdr->type0 = $arg_a[0];
-	      $hdr->type1 = $arg_a[1];	      
-
-	      $msg->type0 = $arg_a[0];
-	      $msg->type1 = $arg_a[1];
-
-	      $arr = $arg_a[2];
-	      if (is_array($arr)) {
-    	         foreach($arr as $name => $value) {
-        	    $hdr->{$name} = $value;
-    	         }
-	      }
-	      $hdr->id = str_replace( '<', '', str_replace( '>', '', $arg_a[3] ) );
-	      $hdr->description = $arg_a[4];
-	      $hdr->encoding = strtolower($arg_a[5]);
-	      $hdr->entity_id = $msg->entity_id;
-	      $hdr->size = $arg_a[6];	      		 	      	 	      
-	      if ($shifted_args) {
-	         $hdr->lines = $arg_a[7];	      
-	         if (isset($arg_a[8])) {
-		    $hdr->md5 = $arg_a[8];
-		 }
-	         if (isset($arg_a[9])) {
-		    $hdr->disposition = $arg_a[9];
-		 }
-	         if (isset($arg_a[10])) {
-		    $hdr->language = $arg_a[10];
-		 }
-	      } else {
-	         if (isset($arg_a[7])) {
-		    $hdr->md5 = $arg_a[7];		    
-		 }
-	         if (isset($arg_a[8])) {
-		    $hdr->disposition = $arg_a[8];
-		 }
-	         if (isset($arg_a[9])) {
-		    $hdr->language = $arg_a[9];
-		 }
-	      }
-	      $msg->header = $hdr;
-	      $arg_no = 0;
-	      $i++;
-              if (substr($msg->entity_id,-2) == '.0' && $msg->type0 !='multipart') {
-	         $msg->entity_id++;
-	      }
-	      return $msg;
-	   } else {
-	        $hdr->type0 = 'multipart';
-	        $hdr->type1 = $arg_a[0];
-
-	        $msg->type0 = 'multipart';
-	        $msg->type1 = $arg_a[0];
-	        if (isset($arg_a[1])) {
-	           $arr = $arg_a[1];
-	           if (is_array($arr)) {
-    	           foreach($arr as $name => $value) {
-        	      $hdr->{$name} = $value;
-    	           }
-		 }  
-                 }
-	         if (isset($arg_a[2])) {
-		    $hdr->disposition = $arg_a[2];
-	         }
-	         if (isset($arg_a[3])) {
-		    $hdr->language = $arg_a[3];
-	         }
-		 $msg->header = $hdr;
-	         return $msg;
-	      }
-	default:
-	   break;
-        } /* switch */
-        $i++;
-      } /* while */
-    } /* parsestructure */
-    
-    function parseProperties($read, $i) {
-      $properties = array();
-      $arg_s = '';
-      $prop_name = '';
-      while ($read{$i} != ')') {
-         if ($read{$i} == '"') {
-	    $arg_s = $this->parseQuote($read,&$i);
-	 } else if ($read{$i} == '{') {
-	    $arg_s = $this->parseLiteral($read,&$i);
-         }
-	 if ($prop_name == '' && $arg_s) {
-	    $prop_name = strtolower($arg_s);	 
-	    $properties[$prop_name] = '';
-	    $arg_s = '';	    
-	 } elseif ($prop_name != '' && $arg_s != '') {
-	    $properties[$prop_name] = $arg_s;
-	    $prop_name = '';
-	    $arg_s = '';
-	 }
-	 $i++;
-      }
-      return $properties;
-    }
-    
-    function parseEnvelope($read, $i, $hdr) {
-        $arg_no = 0;
-	$arg_a = array();
-	$cnt = strlen($read);
-        while ($i< $cnt && $read{$i} != ')') {
-	   $i++;
-	   $char = strtoupper($read{$i});
-	   switch ($char) {
-	     case '"':
-	       $arg_a[] = $this->parseQuote($read,&$i);
-	       $arg_no++;
-	       break;
-	     case '{':
-	       $arg_a[] = $this->parseLiteral($read,&$i);
-	       $arg_no++;
-	       break;
-	     case 'N':   
-	       /* probably NIL argument */
-	       if (strtoupper(substr($read,$i,3)) == 'NIL') {
-	          $arg_a[] = '';
-	          $arg_no++;
-	          $i = $i+2;
-	       }      
-	       break;
-	     case '(':
-	       /* Address structure 
-	        * With group support.
-		* Note: Group support is useless on SMTP connections
-		* because the protocol doesn't support it
-		*/
-	       $addr_a = array();
-	       $group = '';
-	       $a=0;
-	       while ($i < $cnt && $read{$i} != ')') {
-	          if ($read{$i} == '(') {
-		     $addr = $this->parseAddress($read,&$i);
-		     if ($addr->host == '' && $addr->mailbox != '') { 
-		        /* start of group */
-		        $group = $addr->mailbox;
-			$group_addr = $addr;
-			$j = $a;
-		     } elseif ($group && $addr->host == '' && $addr->mailbox == '') {
-		        /* end group */
-			if ($a == $j+1) { /* no group members */
-			   $group_addr->group = $group;
-			   $group_addr->mailbox = '';
-			   $group_addr->personal = "$group: Undisclosed recipients;";
-			   $addr_a[] = $group_addr;
-			   $group ='';
-			}
-		     } else {
-		        $addr->group = $group;
-		        $addr_a[] = $addr;
-		     }
-		     $a++;
-		  }
-		  $i++;
-	       }
-	       $arg_a[] = $addr_a;
-	       break;
-	     default:
-	       break;
-	   }
-	   $i++;
-	}
-	if (count($arg_a) > 9) {
-	    /* argument 1: date */
-            $d = strtr($arg_a[0], array('  ' => ' '));
-            $d = explode(' ', $d);
-            $hdr->date = getTimeStamp($d);
-	    /* argument 2: subject */
-	    if (!trim($arg_a[1])) {
-	        $arg_a[1]= _("(no subject)");
-	    }	
-	    $hdr->subject = $arg_a[1];
-	    /* argument 3: from */
-	    $hdr->from = $arg_a[2][0];
-	    /* argument 4: sender */	    
-	    $hdr->sender = $arg_a[3][0];
-	    /* argument 5: reply-to */
-	    $hdr->replyto = $arg_a[4][0];
-	    /* argument 6: to */
-	    $hdr->to = $arg_a[5];
-	    /* argument 7: cc */
-	    $hdr->cc = $arg_a[6];
-	    /* argument 8: bcc */
-	    $hdr->bcc = $arg_a[7];
-	    /* argument 9: in-reply-to */
-	    $hdr->inreplyto = $arg_a[8];
-	    /* argument 10: message-id */
-	    $hdr->message_id = $arg_a[9];
-	} 
-    }
-    
-    function parseLiteral($read, $i) {
-	$lit_cnt = '';
-	$i++;
-	while ($read{$i} != '}') {
-	   $lit_cnt .= $read{$i};
-	   $i++;
-	}
-	$lit_cnt +=2; /* add the { and } characters */
-	$s = '';
-	for ($j = 0; $j < $lit_cnt; $j++) {
-	   $i++;
-	   $s .= $read{$i};
-	}
-	return $s;
-    }
-    
-    function parseQuote($read, $i) {
-	$i++;
-	$s = '';
-	while ($read{$i} != '"') {
-	   if ($read{$i} == '\\') {
-	       $i++;
-	   } 
-	   $s .= $read{$i};
-	   $i++;
-	}
-        return $s;
-    }
-    
-    function parseAddress($read, $i) {
-	$arg_a = array();
-        while ($read{$i} != ')' ) { //&& $i < count($read)) {
-	   $char = strtoupper($read{$i});
-	   switch ($char) {
-	     case '"':
-	       $arg_a[] = $this->parseQuote($read,&$i);
-	       break;
-	     case '{': 
-	       $arg_a[] = $this->parseLiteral($read,&$i);
-	       break;
-	     case 'N':   
-	       if (strtolower(substr($read,$i,3)) == 'nil') {
-	          $arg_a[] = '';
-	          $i = $i+2;
-	       }
-	       break;
-	     default:
-	       break;
-	   }
-	   $i++;
-	}
-	if (count($arg_a) == 4) {
-    	    $adr = new address_structure();
-	    $adr->personal = $arg_a[0];
-	    $adr->adl = $arg_a[1];
-	    $adr->mailbox = $arg_a[2];
-	    $adr->host = $arg_a[3];
-	} else {
-	   $adr = '';
-	}
-	return $adr;
-    }
-    
-    function parseDisposition($read,&$i) {
-        $arg_a = array();
-        while ($read{$i} != ')') {
-	   switch ($read{$i}) {
-	     case '"':
-	       $arg_a[] = $this->parseQuote($read,&$i);
-	       break;
-	     case '{': 
-	       $arg_a[] = $this->parseLiteral($read,&$i);
-	       break;
-	     case '(':
-	       $arg_a[] = $this->parseProperties($read,&$i);
-	       break;
-	     default:
-	       break;
-	   }
-	   $i++;
-        }
-	if (isset($arg_a[0])) {
-	   $disp = new disposition($arg_a[0]);
-	   if (isset($arg_a[1])) {
-	      $disp->properties = $arg_a[1];
-	   }
-	}
-	if (is_object($disp)) { 
-	   return $disp;
-	}
-    }
-    
-    function parseLanguage($read,&$i) {
-        /* no idea how to process this one without examples */
-        $arg_a = array();
-        while ($read{$i} != ')') {
-	   switch ($read{$i}) {
-	     case '"':
-	       $arg_a[] = $this->parseQuote($read,&$i);
-	       break;
-	     case '{': 
-	       $arg_a[] = $this->parseLiteral($read,&$i);
-	       break;
-	     case '(':
-	       $arg_a[] = $this->parseProperties($read,&$i);
-	       break;
-	     default:
-	       break;
-	   }
-	   $i++;
-        }
-	if (isset($arg_a[0])) {
-	   $lang = new language($arg_a[0]);
-	   if (isset($arg_a[1])) {
-	      $lang->properties = $arg_a[1];
-	   }
-	}
-	if (is_object($lang)) { 
-	   return $lang;
-	} else {
-	   return '';
-        }
-    }
-    
-    function parseParenthesis($read,&$i) {
-        while ($read{$i} != ')') {
-	   switch ($read{$i}) {
-	     case '"':
-	       $this->parseQuote($read,&$i);
-	       break;
-	     case '{': 
-	       $this->parseLiteral($read,&$i);
-	       break;
-	     case '(':
-	       $this->parseParenthesis($read,&$i);
-	       break;
-	     default:
-	       break;
-	   }
-	   $i++;
-        } 
-    }
-
-    function findDisplayEntity ($entity = array(), $alt_order = array('text/plain','text/html')) {
-       $found = false;    
-       $type = $this->type0.'/'.$this->type1;
-       if ( $type == 'multipart/alternative') {
-	    $msg = $this->findAlternativeEntity($alt_order);
-	    if (count($msg->entities) == 0) {
-        	$entity[] = $msg->entity_id;
-	    } else {
-	        $msg->findDisplayEntity(&$entity, $alt_order);
-	    }
-	    $found = true;	    
-	} else 	if ( $type == 'multipart/related') {
-            $msgs = $this->findRelatedEntity();
-	    for ($i = 0; $i < count($msgs); $i++) {
-	        $msg = $msgs[$i];
-		if (count($msg->entities) == 0) {
-        	    $entity[] = $msg->entity_id;
-		} else {
-	    	    $msg->findDisplayEntity(&$entity,$alt_order);
-		}
-		$found = true;		
-	    }
-	} else if ( $this->type0 == 'text' &&
-             ( $this->type1 == 'plain' ||
-               $this->type1 == 'html' ||
-	       $this->type1 == 'message') &&
-             isset($this->entity_id) ) {
-	     if (count($this->entities) == 0) {
-	        if ($this->header->disposition->name != 'attachment') {
-        	   $entity[] = $this->entity_id;
-		}
-	     }
-        } 
-    	$i = 0;
-    	while ( isset($this->entities[$i]) &&  !$found &&
-	        ($this->entities[$i]->header->disposition->name 
-	        != 'attachment') &&
-	        ($this->entities[$i]->type0 != 'message' && 
-		  $this->entities[$i]->type1 != 'rfc822' )
-		)
-	        {
-    	    $this->entities[$i]->findDisplayEntity(&$entity, $alt_order);
-    	    $i++;
-    	}
-    
-        if ( !isset($entity[0]) ) {
-            $entity[]="";
-        }
-        return( $entity );
-    }
-
-    function findAlternativeEntity ($alt_order) {
-       /* if we are dealing with alternative parts then we choose the best 
-        * viewable message supported by SM.
-        */
-        $best_view = 0;
-        $ent_id = 0;
-        $k = 0; 
-        for ($i = 0; $i < count($this->entities); $i ++) {
-            $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1;
-	    if ($type == 'multipart/related') {
-	       $type = $this->entities[$i]->header->type;
-	    }
-	    for ($j = $k; $j < count($alt_order); $j++) {
-	        if ($alt_order[$j] == $type && $j > $best_view) {
-		    $best_view = $j;
-		    $ent_id = $i;
-		    $k = $j;
-	        }
-	    }
-        }
-        return $this->entities[$ent_id];
-    }
-    
-    function findRelatedEntity () {
-        $msgs = array(); 
-        for ($i = 0; $i < count($this->entities); $i ++) {
-            $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1;
-            if ($this->header->type == $type) {
-	        $msgs[] = $this->entities[$i];
-	    }
-        }
-        return $msgs;
-    }
-    
-    function getAttachments($exclude_id=array(), $result = array()) {
-       if ($this->type0 == 'message' && $this->type1 == 'rfc822') {
-          $this = $this->entities[0];
-       }
-       if (count($this->entities)) {
-          foreach ($this->entities as $entity) {
-	    $exclude = false;
-	    foreach ($exclude_id as $excl) {
-               if ($entity->entity_id == $excl) {
-	          $exclude = true;
-	       }
-	    }
-    	    if (!$exclude) {
-	       if ($entity->type0 == 'multipart' && 
-	           $entity->type1 != 'related') {
-	          $result = $entity->getAttachments($exclude_id, $result);
-	       } else if ($entity->type0 != 'multipart') {
-	          $result[] = $entity;
-	       }
-	    }
-          }
-       } else {
-            $exclude = false;
-	    foreach ($exclude_id as $excl) {
-               if ($this->entity_id == $excl) {
-	          $exclude = true;
-	       }
-	    }
-            if (!$exclude) {
-        	$result[] = $this;
-	    }
-       }
-       return $result;
-    }   	    
-    
-}
-
-class disposition {
-  function disposition($name) {
-     $this->name = $name;
-     $this->properties = array();
-  }
-}
-
-class language {
-  function language($name) {
-     $this->name = $name;
-     $this->properties = array();
-  }
-}
-
-?>
+/** Load in the entire MIME system */
+require_once(SM_PATH . 'class/mime/Rfc822Header.class.php');
+require_once(SM_PATH . 'class/mime/MessageHeader.class.php');
+require_once(SM_PATH . 'class/mime/AddressStructure.class.php');
+require_once(SM_PATH . 'class/mime/Message.class.php');
+require_once(SM_PATH . 'class/mime/SMimeMessage.class.php');
+require_once(SM_PATH . 'class/mime/Disposition.class.php');
+require_once(SM_PATH . 'class/mime/Language.class.php');
+require_once(SM_PATH . 'class/mime/ContentType.class.php');
+
+?>
\ No newline at end of file