X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FEmail.php;h=c3825a16bd1fa5f26e578fa15237f5083da13d25;hb=6301b83d7f1fcb09723211a1b5080ab62d85ae17;hp=d147da1166dd52cd0e5b504a8b4b7b6973858190;hpb=6008e3df111c722e6f2e01be81d197fed33dfd42;p=friendica.git diff --git a/src/Protocol/Email.php b/src/Protocol/Email.php index d147da1166..c3825a16bd 100644 --- a/src/Protocol/Email.php +++ b/src/Protocol/Email.php @@ -4,15 +4,22 @@ */ namespace Friendica\Protocol; -require_once 'include/html2plain.php'; -require_once 'include/msgclean.php'; -require_once 'include/quoteconvert.php'; +use Friendica\Content\Text\HTML; +/** + * @brief Email class + */ class Email { - public static function emailConnect($mailbox, $username, $password) + /** + * @param string $mailbox The mailbox name + * @param string $username The username + * @param string $password The password + * @return object + */ + public static function connect($mailbox, $username, $password) { - if (! function_exists('imap_open')) { + if (!function_exists('imap_open')) { return false; } @@ -21,28 +28,34 @@ class Email return $mbox; } - public static function emailPoll($mbox, $email_addr) + /** + * @param object $mbox mailbox + * @param string $email_addr email + * @return array + */ + public static function poll($mbox, $email_addr) { - if (! ($mbox && $email_addr)) - return array(); + if (!$mbox || !$email_addr) { + return []; + } - $search1 = @imap_search($mbox,'FROM "' . $email_addr . '"', SE_UID); + $search1 = @imap_search($mbox, 'FROM "' . $email_addr . '"', SE_UID); if (!$search1) { - $search1 = array(); + $search1 = []; } else { logger("Found mails from ".$email_addr, LOGGER_DEBUG); } - $search2 = @imap_search($mbox,'TO "' . $email_addr . '"', SE_UID); + $search2 = @imap_search($mbox, 'TO "' . $email_addr . '"', SE_UID); if (!$search2) { - $search2 = array(); + $search2 = []; } else { logger("Found mails to ".$email_addr, LOGGER_DEBUG); } - $search3 = @imap_search($mbox,'CC "' . $email_addr . '"', SE_UID); + $search3 = @imap_search($mbox, 'CC "' . $email_addr . '"', SE_UID); if (!$search3) { - $search3 = array(); + $search3 = []; } else { logger("Found mails cc ".$email_addr, LOGGER_DEBUG); } @@ -52,6 +65,10 @@ class Email return $res; } + /** + * @param array $mailacct mail account + * @return string + */ public static function constructMailboxName($mailacct) { $ret = '{' . $mailacct['server'] . ((intval($mailacct['port'])) ? ':' . $mailacct['port'] : ''); @@ -60,93 +77,88 @@ class Email return $ret; } - public static function emailMsgMeta($mbox, $uid) + /** + * @param object $mbox mailbox + * @param integer $uid user id + * @return mixed + */ + public static function messageMeta($mbox, $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()); + $ret = (($mbox && $uid) ? @imap_fetch_overview($mbox, $uid, FT_UID) : [[]]); // POSSIBLE CLEANUP --> array(array()) is probably redundant now + return (count($ret)) ? $ret : []; } /** - * @brief Check addons, not called from main friendica project + * @param object $mbox mailbox + * @param integer $uid user id + * @param string $reply reply + * @return array */ - function email_msg_headers($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 $ret; - } - - public static function emailGetMsg($mbox, $uid, $reply) + public static function getMessage($mbox, $uid, $reply) { - $ret = array(); + $ret = []; - $struc = (($mbox && $uid) ? @imap_fetchstructure($mbox,$uid,FT_UID) : null); + $struc = (($mbox && $uid) ? @imap_fetchstructure($mbox, $uid, FT_UID) : null); - if (! $struc) + if (!$struc) { return $ret; + } - if (! $struc->parts) { - $ret['body'] = self::emailGetPart($mbox,$uid,$struc,0, 'html'); + if (!$struc->parts) { + $ret['body'] = self::messageGetPart($mbox, $uid, $struc, 0, 'html'); $html = $ret['body']; - if (trim($ret['body']) == '') - $ret['body'] = self::emailGetPart($mbox,$uid,$struc,0, 'plain'); - else - $ret['body'] = html2bbcode($ret['body']); - } - else { + if (trim($ret['body']) == '') { + $ret['body'] = self::messageGetPart($mbox, $uid, $struc, 0, 'plain'); + } else { + $ret['body'] = HTML::toBBCode($ret['body']); + } + } 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); + $ret['body'] = HTML::toBBCode($html); } else { $ret['body'] = $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']); return $ret; } // At the moment - only return plain/text. // Later we'll repackage inline images as data url's and make the HTML safe - - private static function emailGetPart($mbox, $uid, $p, $partno, $subtype) + /** + * @param object $mbox mailbox + * @param integer $uid user id + * @param object $p parts + * @param integer $partno part number + * @param string $subtype sub type + * @return string + */ + private static function messageGetPart($mbox, $uid, $p, $partno, $subtype) { // $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple global $htmlmsg,$plainmsg,$charset,$attachments; @@ -155,24 +167,30 @@ class Email // DECODE DATA $data = ($partno) - ? @imap_fetchbody($mbox,$uid,$partno, FT_UID|FT_PEEK) - : @imap_body($mbox,$uid,FT_UID|FT_PEEK); + ? @imap_fetchbody($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. - $params = array(); - if ($p->parameters) - foreach ($p->parameters as $x) + $params = []; + if ($p->parameters) { + foreach ($p->parameters as $x) { $params[strtolower($x->attribute)] = $x->value; - if (isset($p->dparameters) && $p->dparameters) - foreach ($p->dparameters as $x) + } + } + + if (isset($p->dparameters) && $p->dparameters) { + foreach ($p->dparameters as $x) { $params[strtolower($x->attribute)] = $x->value; + } + } // ATTACHMENT // Any part with a filename is an attachment, @@ -192,8 +210,9 @@ class Email if (strtolower($p->subtype)==$subtype) { $data = iconv($params['charset'], 'UTF-8//IGNORE', $data); return (trim($data) ."\n\n"); - } else + } else { $data = ''; + } // $htmlmsg .= $data ."

"; $charset = $params['charset']; // assume all parts are same charset @@ -211,8 +230,8 @@ class Email // SUBPART RECURSION if (isset($p->parts) && $p->parts) { $x = ""; - foreach ($p->parts as $partno0=>$p2) { - $x .= self::emailGetPart($mbox,$uid,$p2,$partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc. + foreach ($p->parts as $partno0 => $p2) { + $x .= self::messageGetPart($mbox, $uid, $p2, $partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc. //if ($x) { // return $x; //} @@ -221,7 +240,12 @@ class Email } } - public static function emailHeaderEncode($in_str, $charset) + /** + * @param string $in_str in string + * @param string $charset character set + * @return string + */ + public static function encodeHeader($in_str, $charset) { $out_str = $in_str; $need_to_convert = false; @@ -232,11 +256,11 @@ class Email } } - if (! $need_to_convert) + if (!$need_to_convert) { return $in_str; + } if ($out_str && $charset) { - // define start delimimter, end delimiter and spacer $end = "?="; $start = "=?" . $charset . "?B?"; @@ -266,7 +290,7 @@ class Email // remove trailing spacer and // add start and end delimiters - $spacer = preg_quote($spacer,'/'); + $spacer = preg_quote($spacer, '/'); $out_str = preg_replace("/" . $spacer . "$/", "", $out_str); $out_str = $start . $out_str . $end; } @@ -274,12 +298,19 @@ class Email } /** - * emailSend is used by NETWORK_EMAIL and NETWORK_EMAIL2 code + * Function send is used by NETWORK_EMAIL and NETWORK_EMAIL2 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 $item item + * + * @return void + * * @todo This could be changed to use the Emailer class */ - public static function emailSend($addr, $subject, $headers, $item) + public static function send($addr, $subject, $headers, $item) { //$headers .= 'MIME-Version: 1.0' . "\n"; //$headers .= 'Content-Type: text/html; charset=UTF-8' . "\n"; @@ -297,7 +328,7 @@ class Email $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"; $body .= "Content-Transfer-Encoding: 8bit\n"; @@ -313,21 +344,369 @@ class Email mail($addr, $subject, $body, $headers); } + /** + * @param string $iri string + * @return string + */ public static function iri2msgid($iri) { - if (!strpos($iri, "@")) + if (!strpos($iri, "@")) { $msgid = preg_replace("/urn:(\S+):(\S+)\.(\S+):(\d+):(\S+)/i", "urn!$1!$4!$5@$2.$3", $iri); - else + } else { $msgid = $iri; - return($msgid); + } + + return $msgid; } + /** + * @param string $msgid msgid + * @return string + */ public static function msgid2iri($msgid) { - if (strpos($msgid, "@")) + if (strpos($msgid, "@")) { $iri = preg_replace("/urn!(\S+)!(\d+)!(\S+)@(\S+)\.(\S+)/i", "urn:$1:$4.$5:$2:$3", $msgid); - else + } else { $iri = $msgid; - return($iri); + } + + return $iri; + } + + private static function saveReplace($pattern, $replace, $text) + { + $save = $text; + + $text = preg_replace($pattern, $replace, $text); + + if ($text == '') { + $text = $save; + } + return $text; + } + + private static function unifyAttributionLine($message) + { + $quotestr = ['quote', 'spoiler']; + foreach ($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 $message; + } + + private static function removeGPG($message) + { + $pattern = '/(.*)\s*-----BEGIN PGP SIGNED MESSAGE-----\s*[\r\n].*Hash:.*?[\r\n](.*)'. + '[\r\n]\s*-----BEGIN PGP SIGNATURE-----\s*[\r\n].*'. + '[\r\n]\s*-----END PGP SIGNATURE-----(.*)/is'; + + preg_match($pattern, $message, $result); + + $cleaned = trim($result[1].$result[2].$result[3]); + + $cleaned = str_replace(["\n- --\n", "\n- -"], ["\n-- \n", "\n-"], $cleaned); + + if ($cleaned == '') { + $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, $result); + + if (($result[1] != '') && ($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)); + } + + $firstword = strpos($nextline.' ', ' '); + + $specialchars = ((substr(trim($nextline), 0, 1) == '-') || + (substr(trim($nextline), 0, 1) == '=') || + (substr(trim($nextline), 0, 1) == '*') || + (substr(trim($nextline), 0, 1) == '·') || + (substr(trim($nextline), 0, 4) == '[url') || + (substr(trim($nextline), 0, 5) == '[size') || + (substr(trim($nextline), 0, 7) == 'http://') || + (substr(trim($nextline), 0, 8) == 'https://')); + + if (!$specialchars) { + $specialchars = ((substr(rtrim($line), -1) == '-') || + (substr(rtrim($line), -1) == '=') || + (substr(rtrim($line), -1) == '*') || + (substr(rtrim($line), -1) == '·') || + (substr(rtrim($line), -6) == '[/url]') || + (substr(rtrim($line), -7) == '[/size]')); + } + + if ($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)); + } + } + + $lines[$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; + $previousquote = 0; + $arrbodyquoted = []; + + for ($i = 0; $i < count($arrbody); $i++) { + $previousquote = $quotelevel; + $quotelevel = $arrlevel[$i]; + $currline = $arrbody[$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; } }