146 lines
3.6 KiB
PHP
146 lines
3.6 KiB
PHP
<?php
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function parse_message($connection, $message_number, $option = null, $to_charset = 'UTF-8') {
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$result = Array('messages'=>Array(),'attachments'=>Array());
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$structure = imap_fetchstructure($connection, $message_number, $option);
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if (isset($structure->parts)) {
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$flatten = parse_message_flatten($structure->parts);
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}
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else {
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$flatten = Array(1 => $structure);
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}
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foreach($flatten as $id => &$part){
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switch($part->type) {
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case TYPETEXT:
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$message = parse_message_decode_text($connection, $part, $message_number, $id, $option, $to_charset);
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$result['messages'][] = $message;
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break;
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case TYPEAPPLICATION: case TYPEAUDIO: case TYPEIMAGE: case TYPEVIDEO: case TYPEOTHER:
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$attachment = parse_message_decode_attach($connection, $part, $message_number, $id, $option);
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if($attachment){
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$result['attachments'][] = $attachment;
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}
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break;
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case TYPEMULTIPART: case TYPEMESSAGE:
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break;
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}
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}
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return $result;
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}
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function parse_message_decode_text($connection, &$part, $message_number, $id, $option, $to_charset){
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$msg = parse_message_fetch_body($connection, $part, $message_number, $id, $option);
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if($msg && $to_charset){
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$charset = '';
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if(isset($part->parameters) && count($part->parameters)) {
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foreach($part->parameters as &$parameter){
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if($parameter->attribute == 'CHARSET') {
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$charset = $parameter->value;
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break;
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}
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}
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}
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if($charset){
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$msg = mb_convert_encoding($msg, $to_charset, $charset);
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}
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$msg = trim($msg);
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}
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return Array(
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'data' => $msg,
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'type' => parse_message_get_type($part),
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'size' => strlen($msg),
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);
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}
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function parse_message_decode_attach($connection, &$part, $message_number, $id, $option){
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$filename = false;
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if($part->ifdparameters) {
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foreach($part->dparameters as $object) {
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if(strtolower($object->attribute) == 'filename') {
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$filename = $object->value;
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break;
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}
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}
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}
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if($part->ifparameters) {
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foreach($part->parameters as $object) {
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if(strtolower($object->attribute) == 'name') {
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$filename = $object->value;
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break;
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}
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}
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}
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if(!$filename) {
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return false;
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}
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$body = parse_message_fetch_body($connection, $part, $message_number, $id, $option);
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return Array(
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'data' => $body,
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'type' => parse_message_get_type($part),
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'name' => $filename,
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'size' => strlen($body),
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'disposition' => $part->disposition,
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);
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}
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function parse_message_fetch_body($connection, &$part, $message_number, $id, $option){
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$body = imap_fetchbody($connection, $message_number, $id, $option);
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if($part->encoding == ENCBASE64){
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$body = base64_decode($body);
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}
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else if($part->encoding == ENCQUOTEDPRINTABLE){
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$body = quoted_printable_decode($body);
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}
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return $body;
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}
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function parse_message_get_type(&$part){
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$types = Array(
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TYPEMESSAGE => 'message',
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TYPEMULTIPART => 'multipart',
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TYPEAPPLICATION => 'application',
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TYPEAUDIO => 'audio',
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TYPEIMAGE => 'image',
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TYPETEXT => 'text',
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TYPEVIDEO => 'video',
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TYPEMODEL => 'model',
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TYPEOTHER => 'other',
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);
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return $types[$part->type] . '/' . strtolower($part->subtype);
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}
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function parse_message_flatten(&$structure, &$result = array(), $prefix = '', $index = 1, $fullPrefix = true) {
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foreach($structure as &$part) {
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if(isset($part->parts)) {
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if($part->type == TYPEMESSAGE) {
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parse_message_flatten($part->parts, $result, $prefix.$index.'.', 0, false);
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}
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elseif($fullPrefix) {
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parse_message_flatten($part->parts, $result, $prefix.$index.'.');
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}
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else {
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parse_message_flatten($part->parts, $result, $prefix);
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}
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}
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else {
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$result[$prefix.$index] = $part;
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}
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$index++;
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}
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return $result;
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}
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