<?php
/**
- * @file src/Protocol/Email.php
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
+
namespace Friendica\Protocol;
-require_once 'include/html2plain.php';
-require_once 'include/msgclean.php';
-require_once 'include/quoteconvert.php';
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Content\Text\BBCode;
+use Friendica\Content\Text\HTML;
+use Friendica\Model\Item;
+use Friendica\Util\Strings;
+use \IMAP\Connection;
/**
- * @brief Email class
+ * Email class
*/
class Email
{
* @param string $mailbox The mailbox name
* @param string $username The username
* @param string $password The password
- * @return object
+ * @return Connection|resource|bool
+ * @throws \Exception
*/
- public static function emailConnect($mailbox, $username, $password)
+ public static function connect(string $mailbox, string $username, string $password)
{
- if (! function_exists('imap_open')) {
+ if (!function_exists('imap_open')) {
return false;
}
$mbox = @imap_open($mailbox, $username, $password);
+ $errors = imap_errors();
+ if (!empty($errors)) {
+ Logger::notice('IMAP Errors occured', ['errors' => $errors]);
+ }
+
+ $alerts = imap_alerts();
+ if (!empty($alerts)) {
+ Logger::notice('IMAP Alerts occured: ', ['alerts' => $alerts]);
+ }
+
return $mbox;
}
/**
- * @param object $mbox mailbox
- * @param string $email_addr email
+ * @param Connection|resource $mbox mailbox
+ * @param string $email_addr email
* @return array
+ * @throws \Exception
*/
- public static function emailPoll($mbox, $email_addr)
+ public static function poll($mbox, string $email_addr): array
{
- if (! ($mbox && $email_addr))
- return array();
+ if (!$mbox || !$email_addr) {
+ return [];
+ }
- $search1 = @imap_search($mbox, 'FROM "' . $email_addr . '"', SE_UID);
+ $search1 = @imap_search($mbox, 'UNDELETED FROM "' . $email_addr . '"', SE_UID);
if (!$search1) {
- $search1 = array();
+ $search1 = [];
} else {
- logger("Found mails from ".$email_addr, LOGGER_DEBUG);
+ Logger::notice("Found mails from ".$email_addr);
}
- $search2 = @imap_search($mbox, 'TO "' . $email_addr . '"', SE_UID);
+ $search2 = @imap_search($mbox, 'UNDELETED TO "' . $email_addr . '"', SE_UID);
if (!$search2) {
- $search2 = array();
+ $search2 = [];
} else {
- logger("Found mails to ".$email_addr, LOGGER_DEBUG);
+ Logger::notice("Found mails to ".$email_addr);
}
- $search3 = @imap_search($mbox, 'CC "' . $email_addr . '"', SE_UID);
+ $search3 = @imap_search($mbox, 'UNDELETED CC "' . $email_addr . '"', SE_UID);
if (!$search3) {
- $search3 = array();
+ $search3 = [];
} else {
- logger("Found mails cc ".$email_addr, LOGGER_DEBUG);
+ Logger::notice("Found mails cc ".$email_addr);
}
$res = array_unique(array_merge($search1, $search2, $search3));
}
/**
- * @param array $mailacct mail account
- * @return object
+ * Returns mailbox name
+ *
+ * @param array $mailacct mail account
+ * @return string
*/
- public static function constructMailboxName($mailacct)
+ public static function constructMailboxName(array $mailacct): string
{
$ret = '{' . $mailacct['server'] . ((intval($mailacct['port'])) ? ':' . $mailacct['port'] : '');
$ret .= (($mailacct['ssltype']) ? '/' . $mailacct['ssltype'] . '/novalidate-cert' : '');
}
/**
- * @param object $mbox mailbox
- * @param integer $uid user id
+ * @param Connection|resource $mbox mailbox
+ * @param integer $uid user id
* @return mixed
*/
- public static function emailMsgMeta($mbox, $uid)
+ public static function messageMeta($mbox, int $uid)
{
- $ret = (($mbox && $uid) ? @imap_fetch_overview($mbox, $uid, FT_UID) : array(array())); // POSSIBLE CLEANUP --> array(array()) is probably redundant now
- return (count($ret)) ? $ret : array();
- }
-
- /**
- * @brief Check addons, not called from main friendica project
- * I don't see it in addons either
- */
- function email_msg_headers($mbox, $uid) {
- $raw_header = (($mbox && $uid) ? @imap_fetchheader($mbox,$uid,FT_UID) : '');
- $raw_header = str_replace("\r",'',$raw_header);
- $ret = array();
- $h = explode("\n",$raw_header);
- if (count($h))
- foreach ($h as $line ) {
- if (preg_match("/^[a-zA-Z]/", $line)) {
- $key = substr($line,0,strpos($line,':'));
- $value = substr($line,strpos($line,':')+1);
-
- $last_entry = strtolower($key);
- $ret[$last_entry] = trim($value);
- }
- else {
- $ret[$last_entry] .= ' ' . trim($line);
- }
- }
- return $ret;
+ $ret = (($mbox && $uid) ? @imap_fetch_overview($mbox, $uid, FT_UID) : [[]]); // POSSIBLE CLEANUP --> array(array()) is probably redundant now
+ return (count($ret)) ? $ret : [];
}
/**
- * @param object $mbox mailbox
- * @param integer $uid user id
- * @param string $reply reply
+ * @param Connection|resource $mbox mailbox
+ * @param integer $uid user id
+ * @param string $reply reply
+ * @param array $item Item
* @return array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function emailGetMsg($mbox, $uid, $reply)
+ public static function getMessage($mbox, int $uid, string $reply, array $item): array
{
- $ret = array();
+ $ret = $item;
$struc = (($mbox && $uid) ? @imap_fetchstructure($mbox, $uid, FT_UID) : null);
- if (! $struc) {
+ if (!$struc) {
+ Logger::notice("IMAP structure couldn't be fetched", ['uid' => $uid]);
return $ret;
}
- if (! $struc->parts) {
- $ret['body'] = self::emailGetPart($mbox, $uid, $struc, 0, 'html');
- $html = $ret['body'];
+ if (empty($struc->parts)) {
+ $html = trim(self::messageGetPart($mbox, $uid, $struc, 0, 'html'));
- if (trim($ret['body']) == '') {
- $ret['body'] = self::emailGetPart($mbox, $uid, $struc, 0, 'plain');
- } else {
- $ret['body'] = html2bbcode($ret['body']);
+ if (!empty($html)) {
+ $message = ['text' => '', 'html' => $html, 'item' => $ret];
+ Hook::callAll('email_getmessage', $message);
+ $ret = $message['item'];
+ if (empty($ret['body'])) {
+ $ret['body'] = HTML::toBBCode($message['html']);
+ }
+ }
+
+ if (empty($ret['body'])) {
+ $text = self::messageGetPart($mbox, $uid, $struc, 0, 'plain');
+
+ $message = ['text' => $text, 'html' => '', 'item' => $ret];
+ Hook::callAll('email_getmessage', $message);
+ $ret = $message['item'];
+ $ret['body'] = $message['text'];
}
} else {
$text = '';
$html = '';
foreach ($struc->parts as $ptop => $p) {
- $x = self::emailGetPart($mbox, $uid, $p, $ptop + 1, 'plain');
+ $x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'plain');
if ($x) {
$text .= $x;
}
- $x = self::emailGetPart($mbox, $uid, $p, $ptop + 1, 'html');
+ $x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'html');
if ($x) {
$html .= $x;
}
}
- if (trim($html) != '') {
- $ret['body'] = html2bbcode($html);
- } else {
- $ret['body'] = $text;
+
+ $message = ['text' => trim($text), 'html' => trim($html), 'item' => $ret];
+ Hook::callAll('email_getmessage', $message);
+ $ret = $message['item'];
+
+ if (empty($ret['body']) && !empty($message['html'])) {
+ $ret['body'] = HTML::toBBCode($message['html']);
+ }
+
+ if (empty($ret['body'])) {
+ $ret['body'] = $message['text'];
}
}
- $ret['body'] = removegpg($ret['body']);
- $msg = removesig($ret['body']);
+ $ret['body'] = self::removeGPG($ret['body']);
+ $msg = self::removeSig($ret['body']);
$ret['body'] = $msg['body'];
- $ret['body'] = convertquote($ret['body'], $reply);
+ $ret['body'] = self::convertQuote($ret['body'], $reply);
if (trim($html) != '') {
- $ret['body'] = removelinebreak($ret['body']);
+ $ret['body'] = self::removeLinebreak($ret['body']);
}
- $ret['body'] = unifyattributionline($ret['body']);
+ $ret['body'] = self::unifyAttributionLine($ret['body']);
+
+ $ret['body'] = Strings::escapeHtml($ret['body']);
+ $ret['body'] = BBCode::limitBodySize($ret['body']);
+
+ Hook::callAll('email_getmessage_end', $ret);
return $ret;
}
- // At the moment - only return plain/text.
- // Later we'll repackage inline images as data url's and make the HTML safe
/**
- * @param object $mbox mailbox
- * @param integer $uid user id
- * @param object $p parts
- * @param integer $partno part number
- * @param string $subtype sub type
+ * fetch the specified message part number with the specified subtype
+ *
+ * @param Connection|resource $mbox mailbox
+ * @param integer $uid user id
+ * @param object $p parts
+ * @param integer $partno part number
+ * @param string $subtype sub type
* @return string
*/
- private static function emailGetPart($mbox, $uid, $p, $partno, $subtype)
+ private static function messageGetPart($mbox, int $uid, $p, in $partno, string $subtype): string
{
// $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
global $htmlmsg,$plainmsg,$charset,$attachments;
- //echo $partno."\n";
-
// DECODE DATA
$data = ($partno)
? @imap_fetchbody($mbox, $uid, $partno, FT_UID|FT_PEEK)
: @imap_body($mbox, $uid, FT_UID|FT_PEEK);
// Any part may be encoded, even plain text messages, so check everything.
- if ($p->encoding==4) {
+ if ($p->encoding == 4) {
$data = quoted_printable_decode($data);
- } elseif ($p->encoding==3) {
+ } elseif ($p->encoding == 3) {
$data = base64_decode($data);
}
// PARAMETERS
// get all parameters, like charset, filenames of attachments, etc.
- $params = array();
+ $params = [];
if ($p->parameters) {
foreach ($p->parameters as $x) {
$params[strtolower($x->attribute)] = $x->value;
if (isset($p->parts) && $p->parts) {
$x = "";
foreach ($p->parts as $partno0 => $p2) {
- $x .= self::emailGetPart($mbox, $uid, $p2, $partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc.
- //if ($x) {
- // return $x;
- //}
+ $x .= self::messageGetPart($mbox, $uid, $p2, $partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc.
}
return $x;
}
}
/**
+ * Returns encoded header
+ *
* @param string $in_str in string
* @param string $charset character set
* @return string
*/
- public static function emailHeaderEncode($in_str, $charset)
+ public static function encodeHeader(string $in_str, string $charset): string
{
$out_str = $in_str;
$need_to_convert = false;
}
}
- if (! $need_to_convert) {
+ if (!$need_to_convert) {
return $in_str;
}
}
/**
- * Function emailSend is used by NETWORK_EMAIL and NETWORK_EMAIL2 code
+ * Function send is used by Protocol::EMAIL code
* (not to notify the user, but to send items to email contacts)
*
* @param string $addr address
* @param string $subject subject
* @param string $headers headers
* @param array $item item
+ * @return bool Status from mail()
*
- * @return void
- *
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
* @todo This could be changed to use the Emailer class
*/
- public static function emailSend($addr, $subject, $headers, $item)
+ public static function send(string $addr, string $subject, string $headers, array$item)
{
//$headers .= 'MIME-Version: 1.0' . "\n";
//$headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
//$headers .= 'Content-Type: text/plain; charset=UTF-8' . "\n";
//$headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
- $part = uniqid("", true);
+ $part = uniqid('', true);
- $html = prepare_body($item);
+ $html = Item::prepareBody($item);
$headers .= "Mime-Version: 1.0\n";
$headers .= 'Content-Type: multipart/alternative; boundary="=_'.$part.'"'."\n\n";
$body .= "Content-Transfer-Encoding: 8bit\n";
$body .= "Content-Type: text/plain; charset=utf-8; format=flowed\n\n";
- $body .= html2plain($html)."\n";
+ $body .= HTML::toPlaintext($html)."\n";
$body .= "--=_".$part."\n";
$body .= "Content-Transfer-Encoding: 8bit\n";
//$message = '<html><body>' . $html . '</body></html>';
//$message = html2plain($html);
- logger('notifier: email delivery to ' . $addr);
- mail($addr, $subject, $body, $headers);
+ Logger::notice('notifier: email delivery to ' . $addr);
+ return mail($addr, $subject, $body, $headers);
}
/**
- * @param string $iri string
- * @return string
+ * Convert item URI to message id
+ *
+ * @param string $itemUri Item URI
+ * @return string Message id
*/
- public static function iri2msgid($iri)
+ public static function iri2msgid(string $itemUri): string
{
- if (!strpos($iri, "@")) {
- $msgid = preg_replace("/urn:(\S+):(\S+)\.(\S+):(\d+):(\S+)/i", "urn!$1!$4!$5@$2.$3", $iri);
+ $msgid = $itemUri;
+
+ if (!strpos($itemUri, '@')) {
+ $msgid = preg_replace("/urn:(\S+):(\S+)\.(\S+):(\d+):(\S+)/i", "urn!$1!$4!$5@$2.$3", $itemUri);
+ }
+
+ return $msgid;
+ }
+
+ /**
+ * Converts message id to item URI
+ *
+ * @param string $msgid Message id
+ * @return string Item URI
+ */
+ public static function msgid2iri(string $msgid): string
+ {
+ $itemUri = $msgid;
+
+ if (strpos($msgid, '@')) {
+ $itemUri = preg_replace("/urn!(\S+)!(\d+)!(\S+)@(\S+)\.(\S+)/i", "urn:$1:$4.$5:$2:$3", $msgid);
+ }
+
+ return $itemUri;
+ }
+
+ /**
+ * Invokes preg_replace() but does return full text from parameter if it
+ * returned an empty message.
+ *
+ * @param string $pattern Pattern to match
+ * @param string $replace String to replace with
+ * @param string $text String to check
+ * @return string Replaced string
+ */
+ private static function saveReplace(string $pattern, string $replace, string $text): string
+ {
+ $return = preg_replace($pattern, $replace, $text);
+
+ if ($return == '') {
+ $return = $text;
+ }
+
+ return $return;
+ }
+
+ /**
+ * Unifies attribution line(s)
+ *
+ * @param string $message Unfiltered message
+ * @return string Message with unified attribution line(s)
+ */
+ private static function unifyAttributionLine(string $message): string
+ {
+ $quotestr = ['quote', 'spoiler'];
+ foreach ($quotestr as $quote) {
+ $message = self::saveReplace('/----- Original Message -----\s.*?From: "([^<"].*?)" <(.*?)>\s.*?To: (.*?)\s*?Cc: (.*?)\s*?Sent: (.*?)\s.*?Subject: ([^\n].*)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
+ $message = self::saveReplace('/----- Original Message -----\s.*?From: "([^<"].*?)" <(.*?)>\s.*?To: (.*?)\s*?Sent: (.*?)\s.*?Subject: ([^\n].*)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
+
+ $message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\nDatum: (.*?)\nVon: (.*?) <(.*?)>\nAn: (.*?)\nBetreff: (.*?)\n/i', "[".$quote."='$2']\n", $message);
+ $message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\sDatum: (.*?)\s.*Von: "([^<"].*?)" <(.*?)>\s.*An: (.*?)\n.*/i', "[".$quote."='$2']\n", $message);
+ $message = self::saveReplace('/-------- Original-Nachricht --------\s*\['.$quote.'\]\nDatum: (.*?)\nVon: (.*?)\nAn: (.*?)\nBetreff: (.*?)\n/i', "[".$quote."='$2']\n", $message);
+
+ $message = self::saveReplace('/-----Urspr.*?ngliche Nachricht-----\sVon: "([^<"].*?)" <(.*?)>\s.*Gesendet: (.*?)\s.*An: (.*?)\s.*Betreff: ([^\n].*?).*:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
+ $message = self::saveReplace('/-----Urspr.*?ngliche Nachricht-----\sVon: "([^<"].*?)" <(.*?)>\s.*Gesendet: (.*?)\s.*An: (.*?)\s.*Betreff: ([^\n].*?)\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
+
+ $message = self::saveReplace('/Am (.*?), schrieb (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
+
+ $message = self::saveReplace('/Am .*?, \d+ .*? \d+ \d+:\d+:\d+ \+\d+\sschrieb\s(.*?)\s<(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$1']\n", $message);
+
+ $message = self::saveReplace('/Am (.*?) schrieb (.*?) <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
+ $message = self::saveReplace('/Am (.*?) schrieb <(.*?)>:\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
+ $message = self::saveReplace('/Am (.*?) schrieb (.*?):\s*\['.$quote.'\]/i', "[".$quote."='$2']\n", $message);
+ $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;
+ }
+
+ /**
+ * Removes GPG part from message
+ *
+ * @param string $message Unfiltered message
+ * @return string Message with GPG part
+ */
+ private static function removeGPG(string $message): string
+ {
+ $pattern = '/(.*)\s*-----BEGIN PGP SIGNED MESSAGE-----\s*[\r\n].*Hash:.*?[\r\n](.*)'.
+ '[\r\n]\s*-----BEGIN PGP SIGNATURE-----\s*[\r\n].*'.
+ '[\r\n]\s*-----END PGP SIGNATURE-----(.*)/is';
+
+ if (preg_match($pattern, $message, $result)) {
+ $cleaned = trim($result[1].$result[2].$result[3]);
+
+ $cleaned = str_replace(["\n- --\n", "\n- -"], ["\n-- \n", "\n-"], $cleaned);
} else {
- $msgid = $iri;
+ $cleaned = $message;
}
- return($msgid);
+ return $cleaned;
}
/**
- * @param string $msgid msgid
- * @return string
+ * Removes signature from message
+ *
+ * @param string $message Unfiltered message
+ * @return string Message with no signature
*/
- public static function msgid2iri($msgid)
+ private static function removeSig(string $message): string
{
- if (strpos($msgid, "@")) {
- $iri = preg_replace("/urn!(\S+)!(\d+)!(\S+)@(\S+)\.(\S+)/i", "urn:$1:$4.$5:$2:$3", $msgid);
+ $sigpos = strrpos($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 {
- $iri = $msgid;
+ $cleaned = $message;
+ $sig = '';
+ }
+
+ return ['body' => $cleaned, 'sig' => $sig];
+ }
+
+ /**
+ * Removes lines breaks from message
+ *
+ * @param string $message Unfiltered message
+ * @return string Message with no line breaks
+ */
+ private static function removeLinebreak(string $message): string
+ {
+ $arrbody = explode("\n", trim($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(strng $body, string $reply): string
+ {
+ // 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]';
+ $quotelevel--;
}
-
- return($iri);
+
+ $body = implode("\n", $arrbodyquoted);
+
+ if (strlen($body) > 0) {
+ $body = $body."\n\n";
+ }
+
+ if ($reply) {
+ $body = self::removeToFu($body);
+ }
+
+ return $body;
+ }
+
+ private static function removeToFu(string $message): string
+ {
+ $message = trim($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;
}
}
projects / friendica.git / blobdiff