mirror of
https://github.com/friendica/friendica
synced 2024-12-25 08:40:15 +00:00
746 lines
23 KiB
PHP
746 lines
23 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Protocol;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\HTML;
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use Friendica\Model\Item;
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use Friendica\Util\Strings;
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/**
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* Email class
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*/
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class Email
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{
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/**
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* @param string $mailbox The mailbox name
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* @param string $username The username
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* @param string $password The password
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* @return resource
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* @throws \Exception
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*/
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public static function connect($mailbox, $username, $password)
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{
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if (!function_exists('imap_open')) {
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return false;
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}
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$mbox = @imap_open($mailbox, $username, $password);
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$errors = imap_errors();
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if (!empty($errors)) {
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Logger::log('IMAP Errors occured: ' . json_encode($errors));
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}
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$alerts = imap_alerts();
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if (!empty($alerts)) {
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Logger::log('IMAP Alerts occured: ' . json_encode($alerts));
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}
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return $mbox;
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}
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/**
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* @param resource $mbox mailbox
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* @param string $email_addr email
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* @return array
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* @throws \Exception
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*/
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public static function poll($mbox, $email_addr)
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{
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if (!$mbox || !$email_addr) {
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return [];
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}
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$search1 = @imap_search($mbox, 'UNDELETED FROM "' . $email_addr . '"', SE_UID);
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if (!$search1) {
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$search1 = [];
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} else {
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Logger::log("Found mails from ".$email_addr, Logger::DEBUG);
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}
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$search2 = @imap_search($mbox, 'UNDELETED TO "' . $email_addr . '"', SE_UID);
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if (!$search2) {
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$search2 = [];
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} else {
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Logger::log("Found mails to ".$email_addr, Logger::DEBUG);
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}
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$search3 = @imap_search($mbox, 'UNDELETED CC "' . $email_addr . '"', SE_UID);
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if (!$search3) {
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$search3 = [];
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} else {
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Logger::log("Found mails cc ".$email_addr, Logger::DEBUG);
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}
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$res = array_unique(array_merge($search1, $search2, $search3));
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return $res;
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}
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/**
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* @param array $mailacct mail account
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* @return string
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*/
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public static function constructMailboxName($mailacct)
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{
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$ret = '{' . $mailacct['server'] . ((intval($mailacct['port'])) ? ':' . $mailacct['port'] : '');
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$ret .= (($mailacct['ssltype']) ? '/' . $mailacct['ssltype'] . '/novalidate-cert' : '');
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$ret .= '}' . $mailacct['mailbox'];
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return $ret;
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}
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/**
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* @param resource $mbox mailbox
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* @param integer $uid user id
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* @return mixed
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*/
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public static function messageMeta($mbox, $uid)
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{
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$ret = (($mbox && $uid) ? @imap_fetch_overview($mbox, $uid, FT_UID) : [[]]); // POSSIBLE CLEANUP --> array(array()) is probably redundant now
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return (count($ret)) ? $ret : [];
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}
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/**
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* @param resource $mbox mailbox
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* @param integer $uid user id
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* @param string $reply reply
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* @return array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getMessage($mbox, $uid, $reply, $item)
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{
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$ret = $item;
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$struc = (($mbox && $uid) ? @imap_fetchstructure($mbox, $uid, FT_UID) : null);
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if (!$struc) {
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Logger::notice("IMAP structure couldn't be fetched", ['uid' => $uid]);
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return $ret;
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}
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if (empty($struc->parts)) {
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$html = trim(self::messageGetPart($mbox, $uid, $struc, 0, 'html'));
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if (!empty($html)) {
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$message = ['text' => '', 'html' => $html, 'item' => $ret];
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Hook::callAll('email_getmessage', $message);
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$ret = $message['item'];
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if (empty($ret['body'])) {
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$ret['body'] = HTML::toBBCode($message['html']);
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}
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}
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if (empty($ret['body'])) {
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$text = self::messageGetPart($mbox, $uid, $struc, 0, 'plain');
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$message = ['text' => $text, 'html' => '', 'item' => $ret];
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Hook::callAll('email_getmessage', $message);
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$ret = $message['item'];
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$ret['body'] = $message['text'];
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}
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} else {
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$text = '';
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$html = '';
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foreach ($struc->parts as $ptop => $p) {
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$x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'plain');
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if ($x) {
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$text .= $x;
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}
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$x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'html');
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if ($x) {
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$html .= $x;
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}
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}
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$message = ['text' => trim($text), 'html' => trim($html), 'item' => $ret];
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Hook::callAll('email_getmessage', $message);
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$ret = $message['item'];
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if (empty($ret['body']) && !empty($message['html'])) {
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$ret['body'] = HTML::toBBCode($message['html']);
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}
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if (empty($ret['body'])) {
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$ret['body'] = $message['text'];
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}
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}
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$ret['body'] = self::removeGPG($ret['body']);
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$msg = self::removeSig($ret['body']);
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$ret['body'] = $msg['body'];
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$ret['body'] = self::convertQuote($ret['body'], $reply);
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if (trim($html) != '') {
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$ret['body'] = self::removeLinebreak($ret['body']);
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}
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$ret['body'] = self::unifyAttributionLine($ret['body']);
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$ret['body'] = Strings::escapeHtml($ret['body']);
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$ret['body'] = BBCode::limitBodySize($ret['body']);
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Hook::callAll('email_getmessage_end', $ret);
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return $ret;
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}
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/**
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* fetch the specified message part number with the specified subtype
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*
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* @param resource $mbox mailbox
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* @param integer $uid user id
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* @param object $p parts
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* @param integer $partno part number
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* @param string $subtype sub type
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* @return string
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*/
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private static function messageGetPart($mbox, $uid, $p, $partno, $subtype)
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{
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// $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
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global $htmlmsg,$plainmsg,$charset,$attachments;
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// DECODE DATA
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$data = ($partno)
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? @imap_fetchbody($mbox, $uid, $partno, FT_UID|FT_PEEK)
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: @imap_body($mbox, $uid, FT_UID|FT_PEEK);
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// Any part may be encoded, even plain text messages, so check everything.
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if ($p->encoding == 4) {
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$data = quoted_printable_decode($data);
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} elseif ($p->encoding == 3) {
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$data = base64_decode($data);
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}
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// PARAMETERS
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// get all parameters, like charset, filenames of attachments, etc.
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$params = [];
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if ($p->parameters) {
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foreach ($p->parameters as $x) {
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$params[strtolower($x->attribute)] = $x->value;
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}
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}
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if (isset($p->dparameters) && $p->dparameters) {
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foreach ($p->dparameters as $x) {
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$params[strtolower($x->attribute)] = $x->value;
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}
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}
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// ATTACHMENT
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// Any part with a filename is an attachment,
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// so an attached text file (type 0) is not mistaken as the message.
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if ((isset($params['filename']) && $params['filename']) || (isset($params['name']) && $params['name'])) {
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// filename may be given as 'Filename' or 'Name' or both
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$filename = ($params['filename'])? $params['filename'] : $params['name'];
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// filename may be encoded, so see imap_mime_header_decode()
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$attachments[$filename] = $data; // this is a problem if two files have same name
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}
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// TEXT
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if ($p->type == 0 && $data) {
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// Messages may be split in different parts because of inline attachments,
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// so append parts together with blank row.
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if (strtolower($p->subtype)==$subtype) {
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$data = iconv($params['charset'], 'UTF-8//IGNORE', $data);
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return (trim($data) ."\n\n");
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} else {
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$data = '';
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}
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// $htmlmsg .= $data ."<br><br>";
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$charset = $params['charset']; // assume all parts are same charset
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}
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// EMBEDDED MESSAGE
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// Many bounce notifications embed the original message as type 2,
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// but AOL uses type 1 (multipart), which is not handled here.
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// There are no PHP functions to parse embedded messages,
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// so this just appends the raw source to the main message.
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// elseif ($p->type==2 && $data) {
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// $plainmsg .= $data."\n\n";
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// }
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// SUBPART RECURSION
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if (isset($p->parts) && $p->parts) {
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$x = "";
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foreach ($p->parts as $partno0 => $p2) {
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$x .= self::messageGetPart($mbox, $uid, $p2, $partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc.
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}
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return $x;
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}
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}
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/**
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* @param string $in_str in string
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* @param string $charset character set
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* @return string
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*/
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public static function encodeHeader($in_str, $charset)
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{
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$out_str = $in_str;
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$need_to_convert = false;
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for ($x = 0; $x < strlen($in_str); $x ++) {
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if ((ord($in_str[$x]) == 0) || ((ord($in_str[$x]) > 128))) {
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$need_to_convert = true;
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}
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}
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if (!$need_to_convert) {
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return $in_str;
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}
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if ($out_str && $charset) {
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// define start delimimter, end delimiter and spacer
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$end = "?=";
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$start = "=?" . $charset . "?B?";
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$spacer = $end . "\r\n " . $start;
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// determine length of encoded text within chunks
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// and ensure length is even
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$length = 75 - strlen($start) - strlen($end);
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/*
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[EDIT BY danbrown AT php DOT net: The following
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is a bugfix provided by (gardan AT gmx DOT de)
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on 31-MAR-2005 with the following note:
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"This means: $length should not be even,
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but divisible by 4. The reason is that in
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base64-encoding 3 8-bit-chars are represented
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by 4 6-bit-chars. These 4 chars must not be
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split between two encoded words, according
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to RFC-2047.
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*/
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$length = $length - ($length % 4);
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// encode the string and split it into chunks
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// with spacers after each chunk
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$out_str = base64_encode($out_str);
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$out_str = chunk_split($out_str, $length, $spacer);
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// remove trailing spacer and
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// add start and end delimiters
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$spacer = preg_quote($spacer, '/');
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$out_str = preg_replace("/" . $spacer . "$/", "", $out_str);
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$out_str = $start . $out_str . $end;
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}
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return $out_str;
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}
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/**
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* Function send is used by Protocol::EMAIL code
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* (not to notify the user, but to send items to email contacts)
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*
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* @param string $addr address
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* @param string $subject subject
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* @param string $headers headers
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* @param array $item item
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*
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* @return void
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*
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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* @todo This could be changed to use the Emailer class
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*/
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public static function send($addr, $subject, $headers, $item)
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{
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//$headers .= 'MIME-Version: 1.0' . "\n";
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//$headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
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//$headers .= 'Content-Type: text/plain; charset=UTF-8' . "\n";
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//$headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
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$part = uniqid("", true);
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$html = Item::prepareBody($item);
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$headers .= "Mime-Version: 1.0\n";
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$headers .= 'Content-Type: multipart/alternative; boundary="=_'.$part.'"'."\n\n";
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$body = "\n--=_".$part."\n";
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$body .= "Content-Transfer-Encoding: 8bit\n";
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$body .= "Content-Type: text/plain; charset=utf-8; format=flowed\n\n";
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$body .= HTML::toPlaintext($html)."\n";
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$body .= "--=_".$part."\n";
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$body .= "Content-Transfer-Encoding: 8bit\n";
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$body .= "Content-Type: text/html; charset=utf-8\n\n";
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$body .= '<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">'.$html."</body></html>\n";
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$body .= "--=_".$part."--";
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//$message = '<html><body>' . $html . '</body></html>';
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//$message = html2plain($html);
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Logger::log('notifier: email delivery to ' . $addr);
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mail($addr, $subject, $body, $headers);
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}
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/**
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* @param string $iri string
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* @return string
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*/
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public static function iri2msgid($iri)
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{
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if (!strpos($iri, "@")) {
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$msgid = preg_replace("/urn:(\S+):(\S+)\.(\S+):(\d+):(\S+)/i", "urn!$1!$4!$5@$2.$3", $iri);
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} else {
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$msgid = $iri;
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}
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return $msgid;
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}
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/**
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* @param string $msgid msgid
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* @return string
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*/
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public static function msgid2iri($msgid)
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{
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if (strpos($msgid, "@")) {
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$iri = preg_replace("/urn!(\S+)!(\d+)!(\S+)@(\S+)\.(\S+)/i", "urn:$1:$4.$5:$2:$3", $msgid);
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} else {
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$iri = $msgid;
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}
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return $iri;
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}
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private static function saveReplace($pattern, $replace, $text)
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{
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$save = $text;
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$text = preg_replace($pattern, $replace, $text);
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if ($text == '') {
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$text = $save;
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}
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return $text;
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}
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private static function unifyAttributionLine($message)
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{
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$quotestr = ['quote', 'spoiler'];
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foreach ($quotestr as $quote) {
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$message = self::saveReplace('/----- Original Message -----\s.*?From: "([^<"].*?)" <(.*?)>\s.*?To: (.*?)\s*?Cc: (.*?)\s*?Sent: (.*?)\s.*?Subject: ([^\n].*)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
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$message = self::saveReplace('/----- Original Message -----\s.*?From: "([^<"].*?)" <(.*?)>\s.*?To: (.*?)\s*?Sent: (.*?)\s.*?Subject: ([^\n].*)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
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$message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\nDatum: (.*?)\nVon: (.*?) <(.*?)>\nAn: (.*?)\nBetreff: (.*?)\n/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\sDatum: (.*?)\s.*Von: "([^<"].*?)" <(.*?)>\s.*An: (.*?)\n.*/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\nDatum: (.*?)\nVon: (.*?)\nAn: (.*?)\nBetreff: (.*?)\n/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/-----Urspr.*?ngliche Nachricht-----\sVon: "([^<"].*?)" <(.*?)>\s.*Gesendet: (.*?)\s.*An: (.*?)\s.*Betreff: ([^\n].*?).*:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
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$message = self::saveReplace('/-----Urspr.*?ngliche Nachricht-----\sVon: "([^<"].*?)" <(.*?)>\s.*Gesendet: (.*?)\s.*An: (.*?)\s.*Betreff: ([^\n].*?)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
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$message = self::saveReplace('/Am (.*?), schrieb (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/Am .*?, \d+ .*? \d+ \d+:\d+:\d+ \+\d+\sschrieb\s(.*?)\s<(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
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$message = self::saveReplace('/Am (.*?) schrieb (.*?) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/Am (.*?) schrieb <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
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$message = self::saveReplace('/Am (.*?) schrieb (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
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$message = self::saveReplace('/Am (.*?) schrieb (.*?)\n(.*?):\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
|
|
$message = self::saveReplace('/(\d+)\/(\d+)\/(\d+) ([^<"].*?) <(.*?)>\s*\['.$quote.'\]/i', "[".$quote."='$4']\n", $message);
|
|
|
|
$message = self::saveReplace('/On .*?, \d+ .*? \d+ \d+:\d+:\d+ \+\d+\s(.*?)\s<(.*?)>\swrote:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/On (.*?) at (.*?), (.*?)\s<(.*?)>\swrote:\s*\['.$quote.'\]/i', "[".$quote."='$3']\n", $message);
|
|
$message = self::saveReplace('/On (.*?)\n([^<].*?)\s<(.*?)>\swrote:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
$message = self::saveReplace('/On (.*?), (.*?), (.*?)\s<(.*?)>\swrote:\s*\['.$quote.'\]/i', "[".$quote."='$3']\n", $message);
|
|
$message = self::saveReplace('/On ([^,].*?), (.*?)\swrote:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
$message = self::saveReplace('/On (.*?), (.*?)\swrote\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
|
|
// Der loescht manchmal den Body - was eigentlich unmoeglich ist
|
|
$message = self::saveReplace('/On (.*?),(.*?),(.*?),(.*?), (.*?) wrote:\s*\['.$quote.'\]/i', "[".$quote."='$5']\n", $message);
|
|
|
|
$message = self::saveReplace('/Zitat von ([^<].*?) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/Quoting ([^<].*?) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/From: "([^<"].*?)" <(.*?)>\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/From: <(.*?)>\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/Du \(([^)].*?)\) schreibst:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/--- (.*?) <.*?> schrieb am (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/--- (.*?) schrieb am (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/\* (.*?) <(.*?)> hat geschrieben:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/(.*?) <(.*?)> schrieb (.*?)\):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) <(.*?)> schrieb am (.*?) um (.*):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) schrieb am (.*?) um (.*):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) \((.*?)\) schrieb:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
$message = self::saveReplace('/(.*?) schrieb:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/(.*?) <(.*?)> writes:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) \((.*?)\) writes:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
$message = self::saveReplace('/(.*?) writes:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/\* (.*?) wrote:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) wrote \(.*?\):\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) wrote:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/([^<].*?) <.*?> hat am (.*?)\sum\s(.*)\sgeschrieben:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
|
|
$message = self::saveReplace('/(\d+)\/(\d+)\/(\d+) ([^<"].*?) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$4']\n", $message);
|
|
$message = self::saveReplace('/(\d+)\/(\d+)\/(\d+) (.*?) <(.*?)>\s*\['.$quote.'\]/i', "[".$quote."='$4']\n", $message);
|
|
$message = self::saveReplace('/(\d+)\/(\d+)\/(\d+) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$4']\n", $message);
|
|
$message = self::saveReplace('/(\d+)\/(\d+)\/(\d+) <(.*?)>\s*\['.$quote.'\]/i', "[".$quote."='$4']\n", $message);
|
|
|
|
$message = self::saveReplace('/(.*?) <(.*?)> schrubselte:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
|
|
$message = self::saveReplace('/(.*?) \((.*?)\) schrubselte:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
|
|
}
|
|
return $message;
|
|
}
|
|
|
|
private static function removeGPG($message)
|
|
{
|
|
$pattern = '/(.*)\s*-----BEGIN PGP SIGNED MESSAGE-----\s*[\r\n].*Hash:.*?[\r\n](.*)'.
|
|
'[\r\n]\s*-----BEGIN PGP SIGNATURE-----\s*[\r\n].*'.
|
|
'[\r\n]\s*-----END PGP SIGNATURE-----(.*)/is';
|
|
|
|
if (preg_match($pattern, $message, $result)) {
|
|
$cleaned = trim($result[1].$result[2].$result[3]);
|
|
|
|
$cleaned = str_replace(["\n- --\n", "\n- -"], ["\n-- \n", "\n-"], $cleaned);
|
|
} else {
|
|
$cleaned = $message;
|
|
}
|
|
|
|
return $cleaned;
|
|
}
|
|
|
|
private static function removeSig($message)
|
|
{
|
|
$sigpos = strrpos($message, "\n-- \n");
|
|
$quotepos = strrpos($message, "[/quote]");
|
|
|
|
if ($sigpos == 0) {
|
|
// Especially for web.de who are using that as a separator
|
|
$message = str_replace("\n___________________________________________________________\n", "\n-- \n", $message);
|
|
$sigpos = strrpos($message, "\n-- \n");
|
|
$quotepos = strrpos($message, "[/quote]");
|
|
}
|
|
|
|
// When the signature separator is inside a quote, we don't separate
|
|
if (($sigpos < $quotepos) && ($sigpos != 0)) {
|
|
return ['body' => $message, 'sig' => ''];
|
|
}
|
|
|
|
$pattern = '/(.*)[\r\n]-- [\r\n](.*)/is';
|
|
|
|
preg_match($pattern, $message, $result);
|
|
|
|
if (!empty($result[1]) && !empty($result[2])) {
|
|
$cleaned = trim($result[1])."\n";
|
|
$sig = trim($result[2]);
|
|
} else {
|
|
$cleaned = $message;
|
|
$sig = '';
|
|
}
|
|
|
|
return ['body' => $cleaned, 'sig' => $sig];
|
|
}
|
|
|
|
private static function removeLinebreak($message)
|
|
{
|
|
$arrbody = explode("\n", trim($message));
|
|
|
|
$lines = [];
|
|
$lineno = 0;
|
|
|
|
foreach ($arrbody as $i => $line) {
|
|
$currquotelevel = 0;
|
|
$currline = $line;
|
|
while ((strlen($currline)>0) && ((substr($currline, 0, 1) == '>')
|
|
|| (substr($currline, 0, 1) == ' '))) {
|
|
if (substr($currline, 0, 1) == '>') {
|
|
$currquotelevel++;
|
|
}
|
|
|
|
$currline = ltrim(substr($currline, 1));
|
|
}
|
|
|
|
$quotelevel = 0;
|
|
$nextline = trim($arrbody[$i + 1] ?? '');
|
|
while ((strlen($nextline)>0) && ((substr($nextline, 0, 1) == '>')
|
|
|| (substr($nextline, 0, 1) == ' '))) {
|
|
if (substr($nextline, 0, 1) == '>') {
|
|
$quotelevel++;
|
|
}
|
|
|
|
$nextline = ltrim(substr($nextline, 1));
|
|
}
|
|
|
|
if (!empty($lines[$lineno])) {
|
|
if (substr($lines[$lineno], -1) != ' ') {
|
|
$lines[$lineno] .= ' ';
|
|
}
|
|
|
|
while ((strlen($line)>0) && ((substr($line, 0, 1) == '>')
|
|
|| (substr($line, 0, 1) == ' '))) {
|
|
|
|
$line = ltrim(substr($line, 1));
|
|
}
|
|
} else {
|
|
$lines[$lineno] = '';
|
|
}
|
|
|
|
$lines[$lineno] .= $line;
|
|
if (((substr($line, -1, 1) != ' '))
|
|
|| ($quotelevel != $currquotelevel)) {
|
|
$lineno++;
|
|
}
|
|
}
|
|
return implode("\n", $lines);
|
|
}
|
|
|
|
private static function convertQuote($body, $reply)
|
|
{
|
|
// Convert Quotes
|
|
$arrbody = explode("\n", trim($body));
|
|
$arrlevel = [];
|
|
|
|
for ($i = 0; $i < count($arrbody); $i++) {
|
|
$quotelevel = 0;
|
|
$quoteline = $arrbody[$i];
|
|
|
|
while ((strlen($quoteline)>0) and ((substr($quoteline, 0, 1) == '>')
|
|
|| (substr($quoteline, 0, 1) == ' '))) {
|
|
if (substr($quoteline, 0, 1) == '>')
|
|
$quotelevel++;
|
|
|
|
$quoteline = ltrim(substr($quoteline, 1));
|
|
}
|
|
|
|
$arrlevel[$i] = $quotelevel;
|
|
$arrbody[$i] = $quoteline;
|
|
}
|
|
|
|
$quotelevel = 0;
|
|
$arrbodyquoted = [];
|
|
|
|
for ($i = 0; $i < count($arrbody); $i++) {
|
|
$previousquote = $quotelevel;
|
|
$quotelevel = $arrlevel[$i];
|
|
|
|
while ($previousquote < $quotelevel) {
|
|
$quote = "[quote]";
|
|
$arrbody[$i] = $quote.$arrbody[$i];
|
|
$previousquote++;
|
|
}
|
|
|
|
while ($previousquote > $quotelevel) {
|
|
$arrbody[$i] = '[/quote]'.$arrbody[$i];
|
|
$previousquote--;
|
|
}
|
|
|
|
$arrbodyquoted[] = $arrbody[$i];
|
|
}
|
|
while ($quotelevel > 0) {
|
|
$arrbodyquoted[] = '[/quote]';
|
|
$quotelevel--;
|
|
}
|
|
|
|
$body = implode("\n", $arrbodyquoted);
|
|
|
|
if (strlen($body) > 0) {
|
|
$body = $body."\n\n";
|
|
}
|
|
|
|
if ($reply) {
|
|
$body = self::removeToFu($body);
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
private static function removeToFu($message)
|
|
{
|
|
$message = trim($message);
|
|
|
|
do {
|
|
$oldmessage = $message;
|
|
$message = preg_replace('=\[/quote\][\s](.*?)\[quote\]=i', '$1', $message);
|
|
$message = str_replace("[/quote][quote]", "", $message);
|
|
} while ($message != $oldmessage);
|
|
|
|
$quotes = [];
|
|
|
|
$startquotes = 0;
|
|
|
|
$start = 0;
|
|
|
|
while (($pos = strpos($message, '[quote', $start)) > 0) {
|
|
$quotes[$pos] = -1;
|
|
$start = $pos + 7;
|
|
$startquotes++;
|
|
}
|
|
|
|
$endquotes = 0;
|
|
$start = 0;
|
|
|
|
while (($pos = strpos($message, '[/quote]', $start)) > 0) {
|
|
$start = $pos + 7;
|
|
$endquotes++;
|
|
}
|
|
|
|
while ($endquotes < $startquotes) {
|
|
$message .= '[/quote]';
|
|
++$endquotes;
|
|
}
|
|
|
|
$start = 0;
|
|
|
|
while (($pos = strpos($message, '[/quote]', $start)) > 0) {
|
|
$quotes[$pos] = 1;
|
|
$start = $pos + 7;
|
|
}
|
|
|
|
if (strtolower(substr($message, -8)) != '[/quote]')
|
|
return($message);
|
|
|
|
krsort($quotes);
|
|
|
|
$quotelevel = 0;
|
|
$quotestart = 0;
|
|
foreach ($quotes as $index => $quote) {
|
|
$quotelevel += $quote;
|
|
|
|
if (($quotelevel == 0) and ($quotestart == 0))
|
|
$quotestart = $index;
|
|
}
|
|
|
|
if ($quotestart != 0) {
|
|
$message = trim(substr($message, 0, $quotestart))."\n[spoiler]".substr($message, $quotestart+7, -8).'[/spoiler]';
|
|
}
|
|
|
|
return $message;
|
|
}
|
|
}
|