function type_checker($stream, $structure, $msg, $email_id)
{
if ($structure->type === 0) {
//echo "This is a text message </br>";
return Encoding_check($structure, $msg);
} else {
if ($structure->type === 1) {
//echo "This is a multipart message </br>";
$index_html_plain = 1;
$num_parts = count($structure->parts);
//echo "It has " .$num_parts. " part(s) </br>";
extract_attachments($stream, $email_id, $structure);
foreach ($structure->parts as $parts) {
if ($parts->parts) {
// echo "there are more parts inside </br>";
// extract_attachments($stream, $email_id, $structure);
} else {
//echo "only 1 part... printing </br>"; however, this part might be an attachment
//extract_attachments($stream, $email_id, $structure);
if ($parts->subtype == 'HTML') {
// echo "main part is in html </br>";
if ($parts->type == 0) {
$index_html_plain = 0;
$msg = imap_fetchbody($stream, $email_id, "2");
return Encoding_check($parts, $msg);
}
} else {
if ($parts->subtype == 'PLAIN') {
if ($index_html_plain != 1) {
// echo "main part is in PLAIN </br>";
$msg = imap_fetchbody($stream, $email_id, "2");
return Encoding_check($parts, $msg);
}
} else {
//will come back to this later, very rare case when pdf is embedded into email body
//let's do attachments
//echo "subtype is unknown " . (string)$parts->subtype. " and type is". (string)$parts->type. "</br>";
//$msg = imap_fetchbody($stream,$email_id,"2");
//return Encoding_check ($parts, $msg);
}
}
}
}
} else {
if ($structure->type === 2) {
// echo "This is a message </br>";
} else {
if ($structure->type === 3) {
//echo "This is an application </br>";
} else {
if ($structure->type === 4) {
//echo "This is an audio </br>";
} else {
if ($structure->type === 5) {
//echo "This is an image </br>";
} else {
if ($structure->type === 6) {
//echo "This is a video </br>";
} else {
if ($structure->type === 7) {
//echo "This is a other </br>";
}
}
}
}
}
}
}
}
}
function extract_attachments($connection, $message_number, $structureToExplore = null)
{
// echo "Extracting started </br>";
$attachments = array();
if ($structureToExplore != null) {
$structure = $structureToExplore;
} else {
$structure = imap_fetchstructure($connection, $message_number);
}
$attachments = array();
if (isset($structure->parts) && count($structure->parts)) {
// echo "all parameters are set </br>";
for ($i = 0; $i < count($structure->parts); $i++) {
if ($structure->parts && count($structure->parts[$i]) > 0) {
$toAdd = extract_attachments($connection, $message_number, $structure->parts[$i]);
if (count($toAdd) > 0) {
foreach ($toAdd as $att) {
array_push($attachments, $att);
}
}
}
// here we get to the last node of the part and we check it for presence of
// parameters and dparameters
$attachment = array('is_attachment' => false, 'filename' => '', 'name' => '', 'attachment' => '');
if ($structure->parts[$i]->ifdparameters) {
//echo "The original message contained attachments </br>";
foreach ($structure->parts[$i]->dparameters as $object) {
if (strtolower($object->attribute) == 'filename') {
$attachment['is_attachment'] = true;
$attachment['filename'] = $object->value;
//<a href="http://localhost/MsgCollector/index.php" >Personal Assistant Website</a>
// $addr = "http://localhost/MsgCollector/gmail_inbox_get.php";
//echo "Name is <a href = \"". $addr. "\">". (string)$object->value. "</a></br>";
//echo "Name is ". (string)$object->value. "</br>";
// $addr = pathinfo($structure->parts[$i]);
// echo "path is ". (string)$addr. "</br>";
}
}
}
if ($structure->parts[$i]->ifparameters) {
foreach ($structure->parts[$i]->parameters as $object) {
if (strtolower($object->attribute) == 'name') {
//echo "The original message contained attachments </br>";
$attachment['is_attachment'] = true;
$attachment['name'] = $object->value;
//echo "name is ". (string)$object->value. "</br>";
}
}
}
/* if ($attachment['is_attachment']) {
$attachment['attachment'] = imap_fetchbody($connection, $message_number, $i + 1);
if ($structure->parts[$i]->encoding == 3) { // 3 = BASE64
$attachment['attachment'] = base64_decode($attachment['attachment']);
} elseif ($structure->parts[$i]->encoding == 4) { // 4 = QUOTED-PRINTABLE
$attachment['attachment'] = quoted_printable_decode($attachment['attachment']);
}
}*/
array_push($attachments, $attachment);
}
}
return $attachments;
}