mirror of
https://github.com/friendica/friendica
synced 2024-12-27 12:02:19 +00:00
307 lines
8.9 KiB
PHP
307 lines
8.9 KiB
PHP
<?php
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require_once('include/html2plain.php');
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require_once('include/msgclean.php');
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require_once('include/quoteconvert.php');
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function email_connect($mailbox,$username,$password) {
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if(! function_exists('imap_open'))
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return false;
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$mbox = @imap_open($mailbox,$username,$password);
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return $mbox;
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}
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function email_poll($mbox,$email_addr) {
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if(! ($mbox && $email_addr))
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return array();
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$search1 = @imap_search($mbox,'FROM "' . $email_addr . '"', SE_UID);
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if(! $search1)
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$search1 = array();
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$search2 = @imap_search($mbox,'TO "' . $email_addr . '"', SE_UID);
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if(! $search2)
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$search2 = array();
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$search3 = @imap_search($mbox,'CC "' . $email_addr . '"', SE_UID);
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if(! $search3)
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$search3 = array();
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$search4 = @imap_search($mbox,'BCC "' . $email_addr . '"', SE_UID);
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if(! $search4)
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$search4 = array();
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$res = array_unique(array_merge($search1,$search2,$search3,$search4));
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return $res;
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}
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function construct_mailbox_name($mailacct) {
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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 $ret;
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}
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function email_msg_meta($mbox,$uid) {
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$ret = (($mbox && $uid) ? @imap_fetch_overview($mbox,$uid,FT_UID) : array(array()));
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return ((count($ret)) ? $ret[0] : array());
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}
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function email_msg_headers($mbox,$uid) {
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$raw_header = (($mbox && $uid) ? @imap_fetchheader($mbox,$uid,FT_UID) : '');
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$raw_header = str_replace("\r",'',$raw_header);
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$ret = array();
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$h = explode("\n",$raw_header);
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if(count($h))
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foreach($h as $line ) {
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if (preg_match("/^[a-zA-Z]/", $line)) {
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$key = substr($line,0,strpos($line,':'));
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$value = substr($line,strpos($line,':')+1);
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$last_entry = strtolower($key);
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$ret[$last_entry] = trim($value);
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}
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else {
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$ret[$last_entry] .= ' ' . trim($line);
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}
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}
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return $ret;
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}
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function email_get_msg($mbox,$uid, $reply) {
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$ret = array();
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$struc = (($mbox && $uid) ? @imap_fetchstructure($mbox,$uid,FT_UID) : null);
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if(! $struc)
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return $ret;
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// for testing purposes: Collect imported mails
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// $file = tempnam("/tmp/friendica2/", "mail-in-");
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// file_put_contents($file, json_encode($struc));
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if(! $struc->parts) {
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$ret['body'] = email_get_part($mbox,$uid,$struc,0, 'html');
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$html = $ret['body'];
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if (trim($ret['body']) == '')
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$ret['body'] = email_get_part($mbox,$uid,$struc,0, 'plain');
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else
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$ret['body'] = html2bbcode($ret['body']);
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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 = email_get_part($mbox,$uid,$p,$ptop + 1, 'plain');
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if($x) $text .= $x;
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$x = email_get_part($mbox,$uid,$p,$ptop + 1, 'html');
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if($x) $html .= $x;
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}
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if (trim($html) != '')
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$ret['body'] = html2bbcode($html);
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else
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$ret['body'] = $text;
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}
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$ret['body'] = removegpg($ret['body']);
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$msg = removesig($ret['body']);
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$ret['body'] = $msg['body'];
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$ret['body'] = convertquote($ret['body'], $reply);
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if (trim($html) != '')
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$ret['body'] = removelinebreak($ret['body']);
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$ret['body'] = unifyattributionline($ret['body']);
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return $ret;
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}
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// At the moment - only return plain/text.
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// Later we'll repackage inline images as data url's and make the HTML safe
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function email_get_part($mbox,$uid,$p,$partno, $subtype) {
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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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//echo $partno."\n";
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// DECODE DATA
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$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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// for testing purposes: Collect imported mails
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// $file = tempnam("/tmp/friendica2/", "mail-body-");
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// file_put_contents($file, $data);
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// Any part may be encoded, even plain text messages, so check everything.
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if ($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($data);
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// PARAMETERS
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// get all parameters, like charset, filenames of attachments, etc.
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$params = array();
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if ($p->parameters)
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foreach ($p->parameters as $x)
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$params[strtolower($x->attribute)] = $x->value;
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if (isset($p->dparameters) and $p->dparameters)
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foreach ($p->dparameters as $x)
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$params[strtolower($x->attribute)] = $x->value;
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// ATTACHMENT
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// Any part with a filename is an attachment,
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// so an attached text file (type 0) is not mistaken as the message.
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if ((isset($params['filename']) and $params['filename']) || (isset($params['name']) and $params['name'])) {
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// filename may be given as 'Filename' or 'Name' or both
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$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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// $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) and $p->parts) {
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$x = "";
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foreach ($p->parts as $partno0=>$p2) {
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$x .= email_get_part($mbox,$uid,$p2,$partno . '.' . ($partno0+1), $subtype); // 1.2, 1.2.1, etc.
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//if($x)
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// return $x;
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}
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return $x;
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}
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}
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function email_header_encode($in_str, $charset) {
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$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 $in_str;
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if ($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 $out_str;
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}
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function email_send($addr, $subject, $headers, $item) {
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//$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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$html = prepare_body($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 .= html2plain($html)."\n";
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$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('notifier: email delivery to ' . $addr);
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mail($addr, $subject, $body, $headers);
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}
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function iri2msgid($iri) {
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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 = $iri;
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return($msgid);
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}
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function msgid2iri($msgid) {
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if (strpos($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 = $msgid;
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return($iri);
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}
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