Mega Code Archive
PHP MIME Decoder. This class decodes Mime Encoded email message
<![CDATA[
<?
class DecodeMessage{
var $header;
var $body;
var $fullmessage;
var $auto_decode = true;
var $attachment_path = "attachments";
var $choose_best = true;
var $best_format = "text/html";
function InitHeaderAndBody($header, $body) {
$this->header = $header;
$this->body = $body;
$this->fullmessage = chop($header)."\t\n\t\n".ltrim($body);
}
function Body() {
return trim($this->body);
}
function InitMessage($msg) {
$i = 0;
$m = "";
$messagebody = "";
$line = explode("\n",trim($msg));
for ($j=0;$j<count($line);$j++) {
if (chop($line[$j]) == "" AND $i < 1) :
$this->header = $m;
$i++;
endif;
if ($i > 0)
$messagebody .= $line[$j]."\n";
$m .= $line[$j]."\n";
}
$this->body = $messagebody;
$this->fullmessage = $msg;
}
function Headers($field="") {
if ($field == "") :
return $this->header;
else :
$hd = "";
$field = $field.":";
$start = 0;
$j=0;
$header = eregi_replace("\r", "\n", $this->header);
$p = explode("\n", $header);
do {
for ($i=$start;$i<count($p);$i++) {
if (ereg("^($field)", $p[$i])) :
$position = $i;
$hd .= ereg_replace("$field", "",$p[$i]);
break;
endif;
}
if (ereg("^($field)", $p[$i])) :
for ($i=$position+1;$i<count($p);$i++) {
$tok = strtok($p[$i], " ");
if (ereg(":$", $tok) AND (!(eregi("^($field)", $tok))))
break;
$hd .= ereg_replace("$field", "",$p[$i]);
}
$start=$i+1;
endif;
} while ($j++ < count($p));
return $hd;
endif;
}
function ContentType() {
$c = $this->Headers("Content-Type");
$ct = ereg_replace("[[:space:]]", "", $c);
if (!(ereg(";", $ct))) :
$content["type"] = trim($ct);
else :
$p = explode (";", $ct);
for ($i=0;$i<count($p);$i++) {
if (eregi("^(text)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(multipart)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(application)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(message)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(image)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(audio)", $p[$i])) :
$content["type"] = $p[$i];
elseif (eregi("^(charset)", $p[$i])) :
$content["charset"] = eregi_replace("(charset=)|(\")", "", $p[$i]);
elseif (eregi("^(report-type)", $p[$i])) :
$content["report-type"] = eregi_replace("(report-type=)|(\")", "", $p[$i]);
elseif (eregi("^(type)", $p[$i])) :
$content["subtype"] = eregi_replace("(type=)|(\")", "", $p[$i]);
elseif (eregi("^(boundary)", $p[$i])) :
$content["boundary"] = eregi_replace("(boundary=)|(\")", "", $p[$i]);
elseif (eregi("^(name)", $p[$i])) :
$content["name"] = eregi_replace("(name=)|(\")", "", $p[$i]);
elseif (eregi("^(access-type)", $p[$i])) :
$content["access-type"] = eregi_replace("(access-type=)|(\")", "", $p[$i]);
elseif (eregi("^(site)", $p[$i])) :
$content["site"] = eregi_replace("(site=)|(\")", "", $p[$i]);
elseif (eregi("^(directory)", $p[$i])) :
$content["directory"] = eregi_replace("(directory=)|(\")", "", $p[$i]);
elseif (eregi("^(mode)", $p[$i])) :
$content["mode"] = eregi_replace("(mode=)|(\")", "", $p[$i]);
endif;
}
endif;
return $content;
}
function ContentDisposition() {
$c = $this->Headers("Content-Disposition");
$c = ereg_replace("[[:space:]]", "", $c);
if (!(ereg(";", $c))) :
$cd["type"] = $c;
else :
$p = explode(";", $c);
for ($i=0;$i<count($p);$i++) {
if (eregi("^(inline)", $p[$i])) :
$cd["type"] = $p[$i];
elseif (eregi("^(attachment)", $p[$i])) :
$cd["type"] = $p[$i];
elseif(eregi("^(filename)", $p[$i])) :
$cd["filename"] = eregi_replace("(filename=)|(\")", "", $p[$i]);
endif;
}
endif;
return $cd;
}
function my_array_shift(&$array) {
reset($array);
$key = key($array);
$val = current($array);
unset($array[$key]);
return $val;
}
function my_array_compact(&$array) {
while (list($key, $val) = each($array)) :
if (chop($val) == '')
unset($array[$key]);
endwhile;
}
function my_in_array($value, $array) {
while (list($key, $val) = each($array)) :
if (strcmp($value, $val) == 0)
return true;
endwhile;
return false;
}
function Result() {
$is_multipart_alternative = false;
$is_multipart_related = false;
$found_best = false;
do {
$next_message = "";
do {
$next_multipart = "";
$content = $this->ContentType();
$cd = $this->ContentDisposition();
if ( eregi("^(multipart)", $content["type"]) ) :
if ( eregi("multipart/alternative", $content["type"]) ) :
$is_multipart_alternative = true;
endif;
if ( eregi("multipart/related", $content["type"]) ) :
$is_multipart_related = true;
endif;
$boundary = "--".$content["boundary"];
$p = explode($boundary, $this->body);
for ($i=0;$i<count($p);$i++) {
$this->InitMessage($p[$i]);
$content = $this->ContentType();
$this->ContentDisposition();
if ($is_multipart_related AND (chop($this->Headers("Content-ID")) != '')) :
$cont["id"] = ereg_replace("[<>]","", $this->Headers("Content-ID"));
$cont["name"] = $content["name"];
$contentid[] = $cont;
unset($cont);
endif;
if (eregi("multipart", $content["type"])) :
$multiparts[] = $p[$i];
elseif (eregi("message", $content["type"])) :
$messages[] = $p[$i];
elseif ($this->choose_best AND eregi("text/plain", $content["type"]) AND
$is_multipart_alternative AND !($found_best)) :
$best = $p[$i];
elseif ($this->choose_best
AND eregi($this->best_format, $content["type"]) AND $is_multipart_alternative ) :
if (eregi("[[:alpha:]]", chop($p[$i]))) : $best = $p[$i];
$found_best = true;
endif;
elseif (chop($content["type"]) != '' AND chop($this->body) !='') :
$parts[] = $p[$i];
endif;
#echo "<pre>($i)###".htmlspecialchars($this->header)."</pre>--###<hr>";
}
if (chop($best) != '') :
$parts[] = $best;
endif;
else :
if (eregi("(message)", $content["type"])) :
$messages[] = $this->fullmessage;
elseif (chop($this->body) != '') :
$parts[] = $this->fullmessage;
endif;
endif;
unset($is_multipart_alternative);
unset($best);
unset($found_best);
if (count($multiparts) > 0) :
$next_multipart = $this->my_array_shift($multiparts);
$this->InitMessage($next_multipart);
endif;
} while ($next_multipart != "");
if (chop($parts) != '') :
for ($i=0;$i<count($parts);$i++) {;
$this->InitMessage($parts[$i]);
$ct = $this->ContentType();
$cd = $this->ContentDisposition();
if (eregi("text/html", $ct["type"]) AND count($contentid > 0)) :
for ($k=0;$k<count($contentid);$k++) {
$filelocation = $this->attachment_path."/".$contentid[$k]["name"];
$cid = $contentid[$k]["id"];
$cid = ereg_replace("[[:space:]]", "", $cid);
$this->body = str_replace("cid:", "", $this->body);
$this->body = str_replace($cid, $filelocation, $this->body);
}
endif;
if ($this->auto_decode
AND eregi("attachment", $cd["type"])
OR eregi("base64", $this->Headers("Content-Transfer-Encoding"))
) :
$filename = chop($ct["name"]) ? $ct["name"] : $cd["filename"];
if (eregi("base64", $this->Headers("Content-Transfer-Encoding"))) :
$file = base64_decode($this->body);
elseif(eregi("quoted-printable", $this->Headers("Content-Transfer-
Encoding"))) :
$file = quoted_printable_decode($this->body);
$file = ereg_replace("(=\n)", "", $this->body);
$file = $this->body;
elseif(eregi("7bit", $this->Headers("Content-Transfer-Encoding"))) :
$file = $this->body;
endif;
$filepath = $this->attachment_path."/".$filename;
@unlink($filepath);
if (chop($filename != '')) :
$fp = @fopen($filepath, "a") OR die("Cannot open file \"$filepath\"");
fwrite($fp, $file);
fclose($fp);
if (eregi("attachment", $cd["type"]) OR eregi("inline", $cd["type"])) :
#echo "\n<p><a href=\"$filepath\">$filename</a><p>";
$decoded_part["attachments"] = $filename;
endif;
endif;
endif;
if (eregi("^(text)", $ct["type"] )
AND !(eregi("text/html", $ct["type"] ))
AND !(eregi("attachment", $cd["type"] ))
OR (chop($ct["type"]) == "")
) :
$decoded_part["body"]["type"] = $ct["type"];
$decoded_part["body"]["body"] = $this->body;
elseif (eregi("text/html", $ct["type"] ) AND !(eregi("attachment", $cd["type"] ))) :
$decoded_part["body"]["type"] = $ct["type"];
$decoded_part["body"]["body"] = $this->body;
#echo "<pre>($parts_count)###".htmlspecialchars($ct["type"])."</pre>--###<hr>";
endif;
$dp[] = $decoded_part;
unset($decoded_part);
}
endif;
$message[] = $dp;
unset($dp);
unset($is_multpart_related);
unset($contentid);
unset($parts);
if (count($messages) > 0) :
$this->my_array_compact($messages);
$next_message = $this->my_array_shift($messages);
$this->InitMessage($next_message);
$this->InitMessage($this->body);
endif;
} while ($next_message != "");
return $message;
}
};
?>
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