function getStructurePart($ret, $return, $key_prefix, $level)
{
foreach ($ret as $key => $ret_elem) {
if (is_array($ret_elem) and !is_array($ret_elem[0])) {
if (strtolower($ret_elem[0]) == "boundary") {
continue;
}
if (isset($ret_elem[2]) and !is_array($ret_elem[2]) and strtolower($ret_elem[2]) == "boundary") {
continue;
}
$id = $key_prefix . ($key + 1);
$type = "text/plain";
if (!empty($ret_elem[1]) and $ret_elem[1] != "NIL") {
$type = strtolower($ret_elem[0] . "/" . $ret_elem[1]);
}
$name = str_replace(".", "_", $id) . "_" . strtolower($ret_elem[0]) . "." . str_replace("plain", "txt", strtolower($ret_elem[1]));
if (!empty($ret_elem[3]) and $ret_elem[3] != "NIL") {
$cid = trim($ret_elem[3], "<>");
} else {
$cid = "";
}
if (!empty($ret_elem[2][0]) and strtolower($ret_elem[2][0]) == "name") {
$name = $ret_elem[2][1];
}
if (isset($ret_elem[9]) and $ret_elem[8] == "NIL") {
$ret_elem[8] = $ret_elem[9];
}
if (!empty($ret_elem[8][0][0]) and strtolower($ret_elem[8][1][0]) == "filename") {
$name = $ret_elem[8][1][1];
}
if (!isset($ret_elem[6])) {
continue;
}
$return[] = array("id" => $id, "level" => $level, "contenttype" => strtolower($type), "encoding" => strtolower($ret_elem[5]), "charset" => (!empty($ret_elem[2][0]) and strtolower($ret_elem[2][0]) == "charset") ? strtolower($ret_elem[2][1]) : "", "size" => $ret_elem[6], "name" => modify::decode_subject($name), "disposition" => (isset($ret_elem[8]) and is_array($ret_elem[8]) and !is_array($ret_elem[8][0])) ? $ret_elem[8][0] : "", "cid" => $cid);
$last_id = count($return) - 1;
if (strtolower($return[$last_id]["contenttype"]) == "text/calendar") {
$return[$last_id]["disposition"] = "attachment";
if (empty($return[$last_id]["name"])) {
$return[$last_id]["name"] = "appointment.ics";
}
}
if ($type == "message/rfc822" and is_array($ret_elem[8])) {
$return[$last_id]["level"]++;
if (!is_array($ret_elem[8][0])) {
$ret_elem[8] = array($ret_elem[8]);
}
$return = $this->getStructurePart($ret_elem[8], $return, $id . ".", $level + 1);
}
} else {
if (is_array($ret_elem)) {
$id = $key_prefix . ($key + 1);
$return = $this->getStructurePart($ret_elem, $return, $id . ".", $level);
}
}
}
return $return;
}
/**
* Returns the headers of the specified message in an
* associative array. Array keys are the header names, array
* values are the header values. In the case of multiple headers
* having the same names, eg Received:, the array value will be
* an indexed array of all the header values.
*
* @param integer $msg_id Message number
* @return mixed Either array of headers or false on error
*/
function getParsedHeaders($msg_id)
{
$headers = array();
if ($this->_state == NET_POP3_STATE_TRANSACTION) {
$raw_headers = rtrim($this->getRawHeaders($msg_id));
$raw_headers = preg_replace("/\r\n[ \t]+/", ' ', $raw_headers);
// Unfold headers
$raw_headers = explode("\r\n", $raw_headers);
foreach ($raw_headers as $value) {
$name = strtolower(substr($value, 0, $pos = strpos($value, ':')));
$value = ltrim(substr($value, $pos + 1));
if ($name == "subject" or $name == "to" or $name == "from") {
$value = modify::decode_subject($value);
}
if (isset($headers[$name]) and is_array($headers[$name])) {
$headers[$name][] = $value;
} elseif (isset($headers[$name])) {
$headers[$name] = array($headers[$name], $value);
} else {
$headers[$name] = $value;
}
}
return $headers;
}
return false;
}
private static function _drawheader($headers)
{
$content = "Subject: " . modify::decode_subject($headers["subject"]) . "\n";
$content .= "Date: " . $headers["date"] . "\n";
$content .= "From: " . modify::decode_subject($headers["from"]) . "\n";
$content .= "To: " . modify::decode_subject($headers["to"]) . "\n";
return $content;
}
