mirror of
https://github.com/OpenXE-org/OpenXE.git
synced 2024-12-27 07:00:29 +01:00
313 lines
9.7 KiB
PHP
313 lines
9.7 KiB
PHP
<?php
|
|
/*
|
|
* IMAP include file, contains all email importing functions
|
|
* STILL EXPERIMENTAL - USE WITH CARE! you've been warned :)
|
|
*/
|
|
|
|
class IMAP {
|
|
|
|
|
|
function __construct()
|
|
{
|
|
// supported protocols
|
|
$this->IMAP_IMAP = 1;
|
|
$this->IMAP_POP3 = 2;
|
|
$this->IMAP_IMAP_SSL = 3;
|
|
$this->IMAP_POP3_SSL = 4;
|
|
}
|
|
|
|
/* decode mime format strings */
|
|
function imap_decode($text, $targetCharset = 'UTF-8')
|
|
{
|
|
$elements=imap_mime_header_decode($text);
|
|
$i=0;
|
|
$check = '';
|
|
$celements = !empty($elements)?count($elements):0;
|
|
for($i=0;$i<$celements;$i++)
|
|
{
|
|
$sourceCharset = $elements[$i]->charset;
|
|
if ($sourceCharset === 'default' || empty($sourceCharset)) {
|
|
$sourceCharset = 'ISO-8859-1';
|
|
}
|
|
$text = iconv($sourceCharset, $targetCharset, $elements[$i]->text);
|
|
$check .= htmlspecialchars($text, ENT_COMPAT, $targetCharset, true);
|
|
}
|
|
|
|
if(!empty($check))
|
|
{
|
|
return $check;
|
|
}
|
|
else
|
|
{
|
|
return htmlspecialchars($elements[$i]->text,ENT_COMPAT,'ISO-8859-1', true);
|
|
}
|
|
}
|
|
|
|
/* get mime type */
|
|
function imap_get_mime_type(&$structure)
|
|
{
|
|
$primary_mime_type = array("TEXT", "MULTIPART", "MESSAGE", "APPLICATION", "AUDIO", "IMAGE", "VIDEO", "OTHER");
|
|
if($structure->subtype){
|
|
return $primary_mime_type[(int)$structure->type] . '/' . $structure->subtype;
|
|
}
|
|
|
|
return "TEXT/PLAIN";
|
|
}
|
|
|
|
/* get part of body by mime type */
|
|
function imap_get_part($stream, $msg_number, $mime_type, $structure = false, $part_number = false)
|
|
{
|
|
if(!$structure)
|
|
$structure = @imap_fetchstructure($stream, $msg_number);
|
|
|
|
if($structure)
|
|
{
|
|
if($mime_type == $this->imap_get_mime_type($structure))
|
|
{
|
|
if(!$part_number)
|
|
$part_number = "1";
|
|
|
|
$text = imap_fetchbody($stream, $msg_number, $part_number);
|
|
|
|
if($structure->encoding == 3)
|
|
return imap_base64($text);
|
|
else if($structure->encoding == 4)
|
|
return imap_qprint($text);
|
|
else
|
|
return $text;
|
|
}
|
|
|
|
if($structure->type == 1) /* multipart */
|
|
{
|
|
while(list($index, $sub_structure) = each($structure->parts))
|
|
{
|
|
$prefix="";
|
|
if($part_number)
|
|
$prefix = $part_number . '.';
|
|
|
|
$data = $this->imap_get_part($stream, $msg_number, $mime_type, $sub_structure, $prefix . ($index + 1));
|
|
if($data)
|
|
return $data;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function imap_serverpath($server,$port,$folder,$type)
|
|
{
|
|
//determine protocol type and fix the server connect string
|
|
switch($type)
|
|
{
|
|
case $this->IMAP_IMAP: $server_path = '{'.$server.':'.$port.'/novalidate-cert}'.$folder; break;
|
|
case $this->IMAP_POP3: $server_path = '{'.$server.':'.$port.'/pop3}'.$folder; break;
|
|
case $this->IMAP_IMAP_SSL: $server_path = '{'.$server.':'.$port.'/imap/ssl/novalidate-cert}'.$folder; break;
|
|
case $this->IMAP_POP3_SSL: $server_path = '{'.$server.':'.$port.'/pop3/ssl}'.$folder; break;
|
|
default: $server_path = '{'.$server.':'.$port.'}'.$folder; break;
|
|
}
|
|
return $server_path;
|
|
}
|
|
|
|
/* connect to server and fetch an $mailbox object */
|
|
function imap_connect($server,$port,$folder,$username,$password,$type)
|
|
{
|
|
$server_path = $this->imap_serverpath($server,$port,$folder,$type);
|
|
return imap_open($server_path, $username, $password);
|
|
}
|
|
|
|
/* return number of messages in current mailbox */
|
|
function imap_message_count($mailbox)
|
|
{
|
|
if ($header = imap_check($mailbox))
|
|
return $header->Nmsgs;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
function flattenParts($messageParts, $flattenedParts = array(), $prefix = '', $index = 1, $fullPrefix = true) {
|
|
|
|
foreach($messageParts as $part) {
|
|
$flattenedParts[$prefix.$index] = $part;
|
|
if(isset($part->parts)) {
|
|
if($part->type == 2) {
|
|
$flattenedParts = $this->flattenParts($part->parts, $flattenedParts, $prefix.$index.'.', 0, false);
|
|
}
|
|
elseif($fullPrefix) {
|
|
$flattenedParts = $this->flattenParts($part->parts, $flattenedParts, $prefix.$index.'.');
|
|
}
|
|
else {
|
|
$flattenedParts = $this->flattenParts($part->parts, $flattenedParts, $prefix);
|
|
}
|
|
unset($flattenedParts[$prefix.$index]->parts);
|
|
}
|
|
$index++;
|
|
}
|
|
|
|
return $flattenedParts;
|
|
|
|
}
|
|
|
|
/* close server connection gracefully */
|
|
function imap_disconnect($mailbox)
|
|
{
|
|
return imap_close($mailbox);
|
|
}
|
|
|
|
function encodeToUtf8($string) {
|
|
return mb_convert_encoding($string, "UTF-8", mb_detect_encoding($string, "UTF-8, ISO-8859-1, ISO-8859-15", true));
|
|
}
|
|
|
|
|
|
function extract_attachments($connection, $message_number) {
|
|
|
|
$attachments = array();
|
|
$structure = imap_fetchstructure($connection, $message_number);
|
|
|
|
if(!empty($structure->parts) && (!empty($structure->parts)?count($structure->parts):0)) {
|
|
$cparts = (!empty($structure->parts)?count($structure->parts):0);
|
|
for($i = 0; $i < $cparts; $i++) {
|
|
|
|
$attachments[$i] = array(
|
|
'is_attachment' => false,
|
|
'filename' => '',
|
|
'name' => '',
|
|
'attachment' => ''
|
|
);
|
|
|
|
if($structure->parts[$i]->ifdparameters) {
|
|
foreach($structure->parts[$i]->dparameters as $object) {
|
|
if(strtolower($object->attribute) == 'filename') {
|
|
$attachments[$i]['is_attachment'] = true;
|
|
$attachments[$i]['filename'] = $object->value;
|
|
}
|
|
}
|
|
}
|
|
|
|
if($structure->parts[$i]->ifparameters) {
|
|
foreach($structure->parts[$i]->parameters as $object) {
|
|
if(strtolower($object->attribute) == 'name') {
|
|
$attachments[$i]['is_attachment'] = true;
|
|
$attachments[$i]['name'] = $object->value;
|
|
}
|
|
}
|
|
}
|
|
|
|
if($attachments[$i]['is_attachment']) {
|
|
$attachments[$i]['attachment'] = imap_fetchbody($connection, $message_number, $i+1);
|
|
if($structure->parts[$i]->encoding == 3) { // 3 = BASE64
|
|
$attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
|
|
}
|
|
elseif($structure->parts[$i]->encoding == 4) { // 4 = QUOTED-PRINTABLE
|
|
$attachments[$i]['attachment'] =
|
|
quoted_printable_decode($attachments[$i]['attachment']);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return $attachments;
|
|
}
|
|
|
|
function extract_attachments2($mbox, $mid) {
|
|
|
|
$this->htmlmsg="";
|
|
$this->plainmsg="";
|
|
$this->charset="";
|
|
unset($this->attachments);
|
|
|
|
// BODY
|
|
$s = imap_fetchstructure($mbox,$mid);
|
|
if (!$s->parts) // simple
|
|
$this->getpart($mbox,$mid,$s,0); // pass 0 as part-number
|
|
else { // multipart: cycle through each part
|
|
foreach ($s->parts as $partno0=>$p) {
|
|
$this->getpart($mbox, $mid, $p, $partno0 + 1);
|
|
}
|
|
}
|
|
|
|
unset($attachments);
|
|
$cattachments = !empty($this->attachments)?count($this->attachments):0;
|
|
for($i=0;$i<$cattachments;$i++)
|
|
{
|
|
$attachments[$i]['attachment'] = $this->attachments[$i][1];
|
|
$attachments[$i]['is_attachment'] = true;
|
|
$attachments[$i]['filename'] = $this->attachments[$i][0];
|
|
$attachments[$i]['name'] = $this->attachments[$i][0];
|
|
}
|
|
|
|
return !empty($attachments)?$attachments:null;
|
|
}
|
|
|
|
|
|
|
|
function getpart($mbox,$mid,$p,$partno) {
|
|
// $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
|
|
// DECODE DATA
|
|
$data = ($partno)?
|
|
imap_fetchbody($mbox,$mid,$partno): // multipart
|
|
imap_body($mbox,$mid); // simple
|
|
// Any part may be encoded, even plain text messages, so check everything.
|
|
if ($p->encoding==4){
|
|
$data = quoted_printable_decode($data);
|
|
}
|
|
elseif ($p->encoding==3){
|
|
$data = base64_decode($data);
|
|
}
|
|
// PARAMETERS
|
|
// get all parameters, like charset, filenames of attachments, etc.
|
|
$params = array();
|
|
if (!empty($p->parameters)){
|
|
foreach ($p->parameters as $x) {
|
|
$params[strtolower($x->attribute)] = $x->value;
|
|
}
|
|
}
|
|
if (!empty($p->dparameters)){
|
|
foreach ($p->dparameters as $x) {
|
|
$params[strtolower($x->attribute)] = $x->value;
|
|
}
|
|
}
|
|
// ATTACHMENT
|
|
// Any part with a filename is an attachment,
|
|
// so an attached text file (type 0) is not mistaken as the message.
|
|
if ($params['filename'] || $params['name']) {
|
|
// filename may be given as 'Filename' or 'Name' or both
|
|
$filename = ($params['filename'])? $params['filename'] : $params['name'];
|
|
// filename may be encoded, so see imap_mime_header_decode()
|
|
$this->attachments[] = array($filename,$data); // this is a problem if two files have same name
|
|
}
|
|
|
|
/*
|
|
// TEXT
|
|
if ($p->type==0 && $data) {
|
|
// Messages may be split in different parts because of inline attachments,
|
|
// so append parts together with blank row.
|
|
if (strtolower($p->subtype)=='plain')
|
|
$this->plainmsg. = trim($data) ."\n\n";
|
|
else
|
|
$this->htmlmsg. = $data ."<br><br>";
|
|
$this->charset = $params['charset']; // assume all parts are same charset
|
|
}
|
|
|
|
// EMBEDDED MESSAGE
|
|
// Many bounce notifications embed the original message as type 2,
|
|
// but AOL uses type 1 (multipart), which is not handled here.
|
|
// There are no PHP functions to parse embedded messages,
|
|
// so this just appends the raw source to the main message.
|
|
elseif ($p->type==2 && $data) {
|
|
$this->plainmsg. = $data."\n\n";
|
|
}
|
|
*/
|
|
// SUBPART RECURSION
|
|
if (!empty($p->parts)) {
|
|
foreach ($p->parts as $partno0=>$p2) {
|
|
$this->getpart($mbox, $mid, $p2, $partno . '.' . ($partno0 + 1)); // 1.2, 1.2.1, etc.
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
}
|