array(array()) is probably redundant now return (count($ret)) ? $ret : []; } /** * @param object $mbox mailbox * @param integer $uid user id * @param string $reply reply * @return array */ public static function getMessage($mbox, $uid, $reply) { $ret = []; $struc = (($mbox && $uid) ? @imap_fetchstructure($mbox, $uid, FT_UID) : null); if (!$struc) { return $ret; } if (!$struc->parts) { $ret['body'] = self::messageGetPart($mbox, $uid, $struc, 0, 'html'); $html = $ret['body']; if (trim($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) { $x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'plain'); if ($x) { $text .= $x; } $x = self::messageGetPart($mbox, $uid, $p, $ptop + 1, 'html'); if ($x) { $html .= $x; } } if (trim($html) != '') { $ret['body'] = HTML::toBBCode($html); } else { $ret['body'] = $text; } } $ret['body'] = self::removeGPG($ret['body']); $msg = self::removeSig($ret['body']); $ret['body'] = $msg['body']; $ret['body'] = self::convertQuote($ret['body'], $reply); if (trim($html) != '') { $ret['body'] = self::removeLinebreak($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 /** * @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; //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) { $data = quoted_printable_decode($data); } elseif ($p->encoding == 3) { $data = base64_decode($data); } // PARAMETERS // get all parameters, like charset, filenames of attachments, etc. $params = []; if ($p->parameters) { foreach ($p->parameters as $x) { $params[strtolower($x->attribute)] = $x->value; } } if (isset($p->dparameters) && $p->dparameters) { foreach ($p->dparameters as $x) { $params[strtolower($x->attribute)] = $x->value; } } // ATTACHMENT // Any part with a filename is an attachment, // so an attached text file (type 0) is not mistaken as the message. if ((isset($params['filename']) && $params['filename']) || (isset($params['name']) && $params['name'])) { // filename may be given as 'Filename' or 'Name' or both $filename = ($params['filename'])? $params['filename'] : $params['name']; // filename may be encoded, so see imap_mime_header_decode() $attachments[$filename] = $data; // this is a problem if two files have same name } // TEXT if ($p->type == 0 && $data) { // Messages may be split in different parts because of inline attachments, // so append parts together with blank row. if (strtolower($p->subtype)==$subtype) { $data = iconv($params['charset'], 'UTF-8//IGNORE', $data); return (trim($data) ."\n\n"); } else { $data = ''; } // $htmlmsg .= $data ."

"; $charset = $params['charset']; // assume all parts are same charset } // EMBEDDED MESSAGE // Many bounce notifications embed the original message as type 2, // but AOL uses type 1 (multipart), which is not handled here. // There are no PHP functions to parse embedded messages, // so this just appends the raw source to the main message. // elseif ($p->type==2 && $data) { // $plainmsg .= $data."\n\n"; // } // SUBPART RECURSION if (isset($p->parts) && $p->parts) { $x = ""; foreach ($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; //} } return $x; } } /** * @param string $in_str in string * @param string $charset character set * @return string */ public static function encodeHeader($in_str, $charset) { $out_str = $in_str; $need_to_convert = false; for ($x = 0; $x < strlen($in_str); $x ++) { if ((ord($in_str[$x]) == 0) || ((ord($in_str[$x]) > 128))) { $need_to_convert = true; } } if (!$need_to_convert) { return $in_str; } if ($out_str && $charset) { // define start delimimter, end delimiter and spacer $end = "?="; $start = "=?" . $charset . "?B?"; $spacer = $end . "\r\n " . $start; // determine length of encoded text within chunks // and ensure length is even $length = 75 - strlen($start) - strlen($end); /* [EDIT BY danbrown AT php DOT net: The following is a bugfix provided by (gardan AT gmx DOT de) on 31-MAR-2005 with the following note: "This means: $length should not be even, but divisible by 4. The reason is that in base64-encoding 3 8-bit-chars are represented by 4 6-bit-chars. These 4 chars must not be split between two encoded words, according to RFC-2047. */ $length = $length - ($length % 4); // encode the string and split it into chunks // with spacers after each chunk $out_str = base64_encode($out_str); $out_str = chunk_split($out_str, $length, $spacer); // remove trailing spacer and // add start and end delimiters $spacer = preg_quote($spacer, '/'); $out_str = preg_replace("/" . $spacer . "$/", "", $out_str); $out_str = $start . $out_str . $end; } return $out_str; } /** * 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 $item item * * @return void * * @todo This could be changed to use the Emailer class */ public static function send($addr, $subject, $headers, $item) { //$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); $html = prepare_body($item); $headers .= "Mime-Version: 1.0\n"; $headers .= 'Content-Type: multipart/alternative; boundary="=_'.$part.'"'."\n\n"; $body = "\n--=_".$part."\n"; $body .= "Content-Transfer-Encoding: 8bit\n"; $body .= "Content-Type: text/plain; charset=utf-8; format=flowed\n\n"; $body .= Friendica\Content\Text\HTML::toPlaintext($html)."\n"; $body .= "--=_".$part."\n"; $body .= "Content-Transfer-Encoding: 8bit\n"; $body .= "Content-Type: text/html; charset=utf-8\n\n"; $body .= ''.$html."\n"; $body .= "--=_".$part."--"; //$message = '' . $html . ''; //$message = html2plain($html); logger('notifier: email delivery to ' . $addr); mail($addr, $subject, $body, $headers); } /** * @param string $iri string * @return string */ public static function iri2msgid($iri) { if (!strpos($iri, "@")) { $msgid = preg_replace("/urn:(\S+):(\S+)\.(\S+):(\d+):(\S+)/i", "urn!$1!$4!$5@$2.$3", $iri); } else { $msgid = $iri; } return $msgid; } /** * @param string $msgid msgid * @return string */ public static function msgid2iri($msgid) { if (strpos($msgid, "@")) { $iri = preg_replace("/urn!(\S+)!(\d+)!(\S+)@(\S+)\.(\S+)/i", "urn:$1:$4.$5:$2:$3", $msgid); } else { $iri = $msgid; } 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; } }