1201 lines
36 KiB
PHP
1201 lines
36 KiB
PHP
<?php
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/* rslight NNTP<->HTTP Gateway
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* Version: 0.6.x
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* Download: https://news.novabbs.com/getrslight
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*
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* Based on Newsportal by Florian Amrhein
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*
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* E-Mail: retroguy@novabbs.com
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* Web: https://news.novabbs.com
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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if(file_exists("lib/types.inc.php"))
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include "lib/types.inc.php";
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if(file_exists("lib/thread.inc.php"))
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include "lib/thread.inc.php";
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if(file_exists("lib/message.inc.php"))
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include "lib/message.inc.php";
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if(file_exists("lib/post.inc.php"))
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include "lib/post.inc.php";
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$CONFIG = include($config_file);
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/*
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* opens the connection to the NNTP-Server
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*
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* $server: adress of the NNTP-Server
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* $port: port of the server
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*/
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function nntp_open($nserver=0,$nport=0) {
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global $text_error,$CONFIG;
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global $server,$port;
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// echo "<br>NNTP OPEN<br>";
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if(!isset($CONFIG['enable_nntp']) || $CONFIG['enable_nntp'] != true) {
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$CONFIG['server_auth_user'] = $CONFIG['remote_auth_user'];
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$CONFIG['server_auth_pass'] = $CONFIG['remote_auth_pass'];
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}
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$authorize=((isset($CONFIG['server_auth_user'])) && (isset($CONFIG['server_auth_pass'])) &&
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($CONFIG['server_auth_user'] != ""));
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if ($nserver==0) $nserver=$server;
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if ($nport==0) $nport=$port;
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$ns=@fsockopen($nserver,$nport);
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$weg=line_read($ns); // kill the first line
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if (substr($weg,0,2) != "20") {
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echo "<p>".$text_error["error:"].$weg."</p>";
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fclose($ns);
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$ns=false;
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} else {
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if ($ns != false) {
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fputs($ns,"MODE reader\r\n");
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$weg=line_read($ns); // and once more
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if ((substr($weg,0,2) != "20") &&
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((!$authorize) || ((substr($weg,0,3) != "480") && ($authorize)))) {
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echo "<p>".$text_error["error:"].$weg."</p>";
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fclose($ns);
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$ns=false;
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}
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}
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if ((isset($CONFIG['server_auth_user'])) && (isset($CONFIG['server_auth_pass'])) &&
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($CONFIG['server_auth_user'] != "")) {
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fputs($ns,"AUTHINFO USER ".$CONFIG['server_auth_user']."\r\n");
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$weg=line_read($ns);
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fputs($ns,"AUTHINFO PASS ".$CONFIG['server_auth_pass']."\r\n");
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$weg=line_read($ns);
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/* Only check auth if reading and posting same server */
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if (substr($weg,0,3) != "281" && !(isset($post_server)) && ($post_server!="")) {
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echo "<p>".$text_error["error:"]."</p>";
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echo "<p>".$text_error["auth_error"]."</p>";
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}
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}
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}
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if ($ns==false) echo "<p>".$text_error["connection_failed"]."</p>";
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return $ns;
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}
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/*
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* Close a NNTP connection
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*
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* $ns: the handle of the connection
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*/
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function nntp_close(&$ns) {
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if ($ns != false) {
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fputs($ns,"QUIT\r\n");
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fclose($ns);
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}
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}
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/*
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* Validates an email adress
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*
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* $address: a string containing the email-address to be validated
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*
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* returns true if the address passes the tests, false otherwise.
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*/
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function validate_email($address)
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{
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global $validate_email;
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$return=true;
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if (($validate_email >= 1) && ($return == true))
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/* Need to clean up this regex to work properly with preg_match
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$return = (preg_match('^[-!#$%&\'*+\\./0-9=?A-Z^_A-z{|}~]+'.'@'.
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'[-!#$%&\'*+\\/0-9=?A-Z^_A-z{|}~]+\.'.
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'[-!#$%&\'*+\\./0-9=?A-Z^_A-z{|}~]+$',$address));
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*/
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$return = 1;
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if (($validate_email >= 2) && ($return == true)) {
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$addressarray=address_decode($address,"garantiertungueltig");
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$return=checkdnsrr($addressarray[0]["host"],"MX");
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if (!$return) $return=checkdnsrr($addressarray[0]["host"],"A");
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}
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return($return);
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}
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/*
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* decodes a block of 7bit-data in uuencoded format to it's original
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* 8bit format.
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* The headerline containing filename and permissions doesn't have to
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* be included.
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*
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* $data: The uuencoded data as a string
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*
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* returns the 8bit data as a string
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*
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* Note: this function is very slow and doesn't recognize incorrect code.
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*/
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function uudecode_line($line) {
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$data=substr($line,1);
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$length=ord($line[0])-32;
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$decoded="";
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for ($i=0; $i<(strlen($data)>>2); $i++) {
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$pack=substr($data,$i<<2,4);
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$upack="";
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$bitmaske=0;
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for ($o=0; $o<4; $o++) {
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$g=((ord($pack[3-$o])-32));
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if ($g==64) $g=0;
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$bitmaske=$bitmaske | ($g << (6*$o));
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}
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$schablone=255;
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for ($o=0; $o<3; $o++) {
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$c=($bitmaske & $schablone) >> ($o << 3);
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$schablone=($schablone << 8);
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$upack=chr($c).$upack;
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}
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$decoded.=$upack;
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}
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$decoded=substr($decoded,0,$length);
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return $decoded;
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}
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/*
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* decodes uuencoded Attachments.
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*
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* $data: the encoded data
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*
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* returns the decoded data
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*/
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function uudecode($data) {
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$d=explode("\n",$data);
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$u="";
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for ($i=0; $i<count($d)-1; $i++)
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$u.=uudecode_line($d[$i]);
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return $u;
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}
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/*
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* returns the mimetype of an filename
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*
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* $name: the complete filename of a file
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*
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* returns a string containing the mimetype
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*/
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function get_mimetype_by_filename($name) {
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$ending=strtolower(strrchr($name,"."));
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switch($ending) {
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case ".jpg":
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case ".jpeg":
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$type="image/jpeg";
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break;
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case ".gif":
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$type="image/gif";
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break;
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case ".png":
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$type="image/png";
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break;
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case ".bmp":
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$type="image/bmp";
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break;
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default:
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$type="text/plain";
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}
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return $type;
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}
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function get_mimetype_by_string($filedata) {
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$f = finfo_open();
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return finfo_buffer($f, $filedata, FILEINFO_MIME_TYPE);
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}
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/*
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* Test, if the access to a group is allowed. This is true, if $testgroup is
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* false or the groupname is in groups.txt
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*
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* $groupname: name of the group to be checked
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*
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* returns true, if access is allowed
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*/
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function testGroup($groupname) {
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global $testgroup,$file_groups;
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$groupname=strtolower($groupname);
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if ($testgroup) {
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$gf=fopen($file_groups,"r");
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while (!feof($gf)) {
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$read=trim(line_read($gf));
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$read=preg_replace('/\t/', ' ', $read);
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$read=strtolower($read);
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$pos=strpos($read," ");
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if ($pos != false) {
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if (substr($read,0,$pos)==trim($groupname)) return true;
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} else {
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if ($read == trim($groupname)) return true;
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}
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}
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fclose($gf);
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if($groupname=$CONFIG['spamgroup'])
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return true;
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else
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return false;
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} else {
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return true;
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}
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}
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function testGroups($newsgroups) {
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$groups=explode(",",$newsgroups);
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$count=count($groups);
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$return="";
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$o=0;
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for ($i=0; $i<$count; $i++) {
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if (testgroup($groups[$i]) &&
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(!function_exists("npreg_group_has_write_access") ||
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npreg_group_has_write_access($groups[$i]))) {
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if ($o>0) $return.=",";
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$o++;
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$return.=$groups[$i];
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}
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}
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return($return);
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}
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/*
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* read one line from the NNTP-server
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*/
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function line_read(&$ns) {
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if ($ns != false) {
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$t=str_replace("\n","",str_replace("\r","",fgets($ns,1200)));
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return $t;
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}
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}
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/*
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* Split an internet-address string into its parts. An address string could
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* be for example:
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* - user@host.domain (Realname)
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* - "Realname" <user@host.domain>
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* - user@host.domain
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*
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* The address will be split into user, host (incl. domain) and realname
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*
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* $adrstring: The string containing the address in internet format
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* $defaulthost: The name of the host which should be returned if the
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* address-string doesn't contain a hostname.
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*
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* returns an hash containing the fields "mailbox", "host" and "personal"
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*/
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function address_decode($adrstring,$defaulthost) {
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$parsestring=trim($adrstring);
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$len=strlen($parsestring);
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$at_pos=strpos($parsestring,'@'); // find @
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$ka_pos=strpos($parsestring,"("); // find (
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$kz_pos=strpos($parsestring,')'); // find )
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$ha_pos=strpos($parsestring,'<'); // find <
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$hz_pos=strpos($parsestring,'>'); // find >
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$space_pos=strpos($parsestring,')'); // find ' '
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$email="";
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$mailbox="";
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$host="";
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$personal="";
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if ($space_pos != false) {
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if (($ka_pos != false) && ($kz_pos != false)) {
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$personal=substr($parsestring,$ka_pos+1,$kz_pos-$ka_pos-1);
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$email=trim(substr($parsestring,0,$ka_pos-1));
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}
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} else {
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$email=$adrstring;
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}
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if (($ha_pos != false) && ($hz_pos != false)) {
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$email=trim(substr($parsestring,$ha_pos+1,$hz_pos-$ha_pos-1));
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$personal=substr($parsestring,0,$ha_pos-1);
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}
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if ($at_pos != false) {
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$mailbox=substr($email,0,strpos($email,'@'));
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$host=substr($email,strpos($email,'@')+1);
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} else {
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$mailbox=$email;
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$host=$defaulthost;
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}
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$personal=trim($personal);
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if (substr($personal,0,1) == '"') $personal=substr($personal,1);
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if (substr($personal,strlen($personal)-1,1) == '"')
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$personal=substr($personal,0,strlen($personal)-1);
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$result["mailbox"]=trim($mailbox);
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$result["host"]=trim($host);
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if ($personal!="") $result["personal"]=$personal;
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$complete[]=$result;
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return ($complete);
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}
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/*
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* Read the groupnames from groups.txt, and get additional informations
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* of the groups from the newsserver
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*/
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function groups_read($server,$port,$load=0) {
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global $gl_age,$file_groups,$spooldir,$config_name,$cache_index;
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// is there a cached version, and is it actual enough?
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$cachefile=$spooldir.'/'.$config_name.'-groups.dat';
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// if cache is new enough, don't recreate it
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clearstatcache(TRUE, $cachefile);
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if($load == 1 && file_exists($cachefile) && (filemtime($cachefile)+$cache_index>time())) {
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return;
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}
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if(file_exists($cachefile) && $load == 0) {
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// cached file exists and is new enough, so lets read it out.
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$file=fopen($cachefile,"r");
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$data="";
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while(!feof($file)) {
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$data.=fgets($file,1000);
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}
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fclose($file);
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$newsgroups=unserialize($data);
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} else {
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$ns=nntp_open($server,$port);
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if ($ns == false) return false;
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$gf=fopen($file_groups,"r");
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// if we want to mark groups with new articles with colors, wie will later
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// need the format of the overview
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$overviewformat=thread_overview_read($ns);
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while (!feof($gf)) {
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$gruppe=new newsgroupType;
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$tmp=trim(line_read($gf));
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$tmp=preg_replace('/\t/', ' ', $tmp);
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if(substr($tmp,0,1)==":") {
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$gruppe->text=substr($tmp,1);
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$newsgroups[]=$gruppe;
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} elseif(strlen(trim($tmp))>0) {
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// is there a description in groups.txt?
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$pos=strpos($tmp," ");
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if ($pos != false) {
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// yes.
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$gruppe->name=substr($tmp,0,$pos);
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$desc=substr($tmp,$pos);
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} else {
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// no, get it from the newsserver.
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$gruppe->name=$tmp;
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fputs($ns,"XGTITLE $gruppe->name\r\n");
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$response=line_read($ns);
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if (strcmp(substr($response,0,3),"282") == 0) {
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$neu=line_read($ns);
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do {
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$response=$neu;
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if ($neu != ".") $neu=line_read($ns);
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} while ($neu != ".");
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$desc=strrchr($response,"\t");
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if (strcmp($response,".") == 0) {
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$desc="-";
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}
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} else {
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$desc="";
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}
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if (strcmp(substr($response,0,3),"500") == 0)
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$desc="-";
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}
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if (strcmp($desc,"") == 0) $desc="-";
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$gruppe->description=$desc;
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fputs($ns,"GROUP ".$gruppe->name."\r\n");
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$t=explode(" ",line_read($ns));
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//RETRO
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if($t[0]=="211")
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$gruppe->count=$t[1];
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else {
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nntp_close($ns);
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$ns=nntp_open($server,$port);
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if ($ns == false) return false;
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fputs($ns,"GROUP ".$gruppe->name."\r\n");
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$t=explode(" ",line_read($ns));
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if($t[0]=="211")
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$gruppe->count=$t[1];
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else
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continue;
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}
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// mark group with new articles with colors
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if($gl_age) {
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fputs($ns,'XOVER '.$t[3]."\r\n");
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$tmp=explode(" ",line_read($ns));
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if($tmp[0]=="224") {
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$tmp=line_read($ns);
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if($tmp!=".") {
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$head=thread_overview_interpret($tmp,$overviewformat,$gruppe->name);
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$tmp=line_read($ns);
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$gruppe->age=$head->date;
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}
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}
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}
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if ((strcmp(trim($gruppe->name),"") != 0) &&
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(substr($gruppe->name,0,1) != "#"))
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$newsgroups[]=$gruppe;
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}
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}
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fclose($gf);
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nntp_close($ns);
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// write the data to the cachefile
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$file=fopen($cachefile,"w");
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fputs($file,serialize($newsgroups));
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fclose($file);
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}
|
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if ($load == 0) {
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return $newsgroups;
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} else {
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return;
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}
|
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}
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|
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function groups_show($gruppen) {
|
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global $gl_age,$frame,$spooldir,$CONFIG,$spoolnews;
|
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if ($gruppen == false) return;
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global $file_thread,$text_groups;
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$c = count($gruppen);
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$acttype="keins";
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echo '<table class="np_groups_table" cellspacing="0"><tr class="np_thread_head"><td width="45px" class="np_thread_head">';
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echo 'Latest</td><td style="text-align: center;">Newsgroup</td><td width="8%" class="np_thread_head">Messages</td><td width="20%" class="np_thread_head" >Last Message</td></tr>';
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for($i = 0 ; $i < $c ; $i++) {
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$g = $gruppen[$i];
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if(isset($g->text)) {
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if($acttype!="text") {
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$acttype="text";
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}
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} else {
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if($acttype!="group") {
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$acttype="group";
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}
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/* Display group name and description */
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$lineclass="np_thread_line".(($i%2)+1);
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|
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echo '<tr class="'.$lineclass.'"><td style="text-align: center;" class="'.$lineclass.'">';
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echo '<a href="overboard.php?thisgroup='._rawurlencode($g->name).'">';
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if(is_file("../common/mods/images/latest.png")) {
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echo '<img src="../common/mods/images/latest.png">';
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} else {
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echo '<img src="../common/images/latest.png">';
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}
|
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echo '</a>';
|
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echo '</td>';
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|
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echo '<td class="'.$lineclass.'">';
|
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echo '<span class="np_group_line_text">';
|
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echo '<a ';
|
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echo 'target="'.$frame['content'].'" ';
|
|
echo 'href="'.$file_thread.'?group='._rawurlencode($g->name).'"><span class="np_group_line_text">'.group_display_name($g->name)."</span></a>\n";
|
|
if($g->description!="-")
|
|
echo '</span><br><p class="np_group_desc">'.$g->description.'</p>';
|
|
|
|
/* Display article count */
|
|
echo '</td><td class="'.$lineclass.'">';
|
|
if($gl_age)
|
|
$datecolor=thread_format_date_color($g->age);
|
|
echo '<small>';
|
|
if($datecolor!="")
|
|
echo '<font color="'.$datecolor.'">'.$g->count.'</font>';
|
|
else
|
|
echo $g->count;
|
|
echo '</small>';
|
|
|
|
/* Display latest article info */
|
|
echo '</td><td class="'.$lineclass.'"><div class="np_last_posted_date">';
|
|
$filename = $spooldir."/".$g->name."-lastarticleinfo.dat";
|
|
if($file=@fopen($filename,"r")) {
|
|
$lastarticleinfo=unserialize(fread($file,filesize($filename)));
|
|
fclose($file);
|
|
} else {
|
|
$lastarticleinfo->date = 0;
|
|
}
|
|
if((isset($spoolnews)) && ($spoolnews === true)) {
|
|
$ovfp=popen($CONFIG['tac'].' '.$spooldir.'/'.$g->name.'-overview', 'r');
|
|
$lastpost=fgets($ovfp);
|
|
pclose($ovfp);
|
|
$lastdata = explode("\t", $lastpost);
|
|
echo get_date_interval(date("D, j M Y H:i T",strtotime($lastdata[3])));
|
|
$fromline=address_decode(headerDecode($lastdata[2]),"nirgendwo");
|
|
if (!isset($fromline[0]["personal"])) {
|
|
$lastname=$fromline[0]["mailbox"];;
|
|
} else {
|
|
$lastname=$fromline[0]["personal"];
|
|
}
|
|
} else {
|
|
echo get_date_interval(date("D, j M Y H:i T",$lastarticleinfo->date));
|
|
$lastarticleinfo->name = ltrim($lastarticleinfo->name, "<");
|
|
$lastname = $lastarticleinfo->name;
|
|
}
|
|
echo '<table><tr><td>';
|
|
echo '<font class="np_last_posted_date">by: ';
|
|
echo create_name_link($lastname);
|
|
echo '</td></tr></table>';
|
|
}
|
|
echo "\n";
|
|
flush();
|
|
}
|
|
echo "</td></div></table>\n";
|
|
}
|
|
|
|
/*
|
|
* print the group names from an array to the webpage
|
|
*/
|
|
function groups_show_frames($gruppen) {
|
|
global $gl_age,$frame,$spooldir;
|
|
if ($gruppen == false) return;
|
|
global $file_thread,$text_groups;
|
|
$c = count($gruppen);
|
|
echo '<div class="np_index_groupblock">';
|
|
$acttype="keins";
|
|
for($i = 0 ; $i < $c ; $i++) {
|
|
$g = $gruppen[$i];
|
|
if(isset($g->text)) {
|
|
if($acttype!="text") {
|
|
$acttype="text";
|
|
if($i>0)
|
|
echo '</div>';
|
|
echo '<div class="np_index_grouphead">';
|
|
}
|
|
echo $g->text;
|
|
} else {
|
|
if($acttype!="group") {
|
|
$acttype="group";
|
|
if($i>0)
|
|
echo '</div>';
|
|
echo '<div class="np_index_groupblock">';
|
|
}
|
|
echo '<div class="np_index_group">';
|
|
echo '<b><a ';
|
|
echo 'target="'.$frame['content'].'" ';
|
|
echo 'href="'.$file_thread.'?group='._rawurlencode($g->name).'">'.group_display_name($g->name)."</a></b>\n";
|
|
if($gl_age)
|
|
$datecolor=thread_format_date_color($g->age);
|
|
echo '<small>(';
|
|
if($datecolor!="")
|
|
echo '<font color="'.$datecolor.'">'.$g->count.'</font>';
|
|
else
|
|
echo $g->count;
|
|
echo ')</small>';
|
|
if($g->description!="-")
|
|
echo '<br><small>'.$g->description.'</small>';
|
|
echo '</div>';
|
|
}
|
|
echo "\n";
|
|
flush();
|
|
}
|
|
echo "</div></div>\n";
|
|
}
|
|
|
|
/*
|
|
* gets a list of aviable articles in the group $groupname
|
|
*/
|
|
/*
|
|
function getArticleList(&$ns,$groupname) {
|
|
fputs($ns,"LISTGROUP $groupname \r\n");
|
|
$line=line_read($ns);
|
|
$line=line_read($ns);
|
|
while(strcmp($line,".") != 0) {
|
|
$articleList[] = trim($line);
|
|
$line=line_read($ns);
|
|
}
|
|
if (!isset($articleList)) $articleList="-";
|
|
return $articleList;
|
|
}
|
|
*/
|
|
|
|
/*
|
|
* Decode quoted-printable or base64 encoded headerlines
|
|
*
|
|
* $value: The to be decoded line
|
|
*
|
|
* returns the decoded line
|
|
*/
|
|
function headerDecode($value) {
|
|
return mb_decode_mimeheader($value);
|
|
}
|
|
|
|
/*
|
|
* calculates an Unix timestamp out of a Date-Header in an article
|
|
*
|
|
* $value: Value of the Date: header
|
|
*
|
|
* returns an Unix timestamp
|
|
*/
|
|
function getTimestamp($value) {
|
|
global $CONFIG;
|
|
|
|
return strtotime($value);
|
|
}
|
|
|
|
function parse_header($hdr,$number="") {
|
|
for ($i=count($hdr)-1; $i>0; $i--)
|
|
if (preg_match("/^(\x09|\x20)/",$hdr[$i]))
|
|
$hdr[$i-1]=$hdr[$i-1]." ".ltrim($hdr[$i]);
|
|
$header = new headerType;
|
|
$header->isAnswer=false;
|
|
for ($count=0;$count<count($hdr);$count++) {
|
|
$variable=substr($hdr[$count],0,strpos($hdr[$count]," "));
|
|
$value=trim(substr($hdr[$count],strpos($hdr[$count]," ")+1));
|
|
switch (strtolower($variable)) {
|
|
case "from:":
|
|
$fromline=address_decode(headerDecode($value),"nirgendwo");
|
|
if (!isset($fromline[0]["host"])) $fromline[0]["host"]="";
|
|
$header->from=$fromline[0]["mailbox"]."@".$fromline[0]["host"];
|
|
$header->username=$fromline[0]["mailbox"];
|
|
if (!isset($fromline[0]["personal"])) {
|
|
$header->name="";
|
|
} else {
|
|
$header->name=$fromline[0]["personal"];
|
|
}
|
|
break;
|
|
case "message-id:":
|
|
$header->id=$value;
|
|
break;
|
|
case "subject:":
|
|
$header->subject=headerDecode($value);
|
|
break;
|
|
case "newsgroups:":
|
|
$header->newsgroups=$value;
|
|
break;
|
|
case "organization:":
|
|
$header->organization=headerDecode($value);
|
|
break;
|
|
case "content-transfer-encoding:":
|
|
$header->content_transfer_encoding=trim(strtolower($value));
|
|
break;
|
|
case "content-type:":
|
|
$header->content_type=array();
|
|
$subheader=explode(";",$value);
|
|
$header->content_type[0]=strtolower(trim($subheader[0]));
|
|
for ($i=1; $i<count($subheader); $i++) {
|
|
$gleichpos=strpos($subheader[$i],"=");
|
|
if ($gleichpos) {
|
|
$subvariable=trim(substr($subheader[$i],0,$gleichpos));
|
|
$subvalue=trim(substr($subheader[$i],$gleichpos+1));
|
|
if (($subvalue[0]=='"') &&
|
|
($subvalue[strlen($subvalue)-1]=='"'))
|
|
$subvalue=substr($subvalue,1,strlen($subvalue)-2);
|
|
switch($subvariable) {
|
|
case "charset":
|
|
$header->content_type_charset=array(strtolower($subvalue));
|
|
break;
|
|
case "name":
|
|
$header->content_type_name=array($subvalue);
|
|
break;
|
|
case "boundary":
|
|
$header->content_type_boundary=$subvalue;
|
|
break;
|
|
case "format":
|
|
$header->content_type_format=array($subvalue);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case "references:":
|
|
$ref=trim($value);
|
|
while (strpos($ref,"> <") != false) {
|
|
$header->references[]=substr($ref,0,strpos($ref," "));
|
|
$ref=substr($ref,strpos($ref,"> <")+2);
|
|
}
|
|
$header->references[]=trim($ref);
|
|
break;
|
|
case "date:":
|
|
$header->date=getTimestamp(trim($value));
|
|
break;
|
|
case "followup-to:":
|
|
$header->followup=trim($value);
|
|
break;
|
|
case "x-newsreader:":
|
|
case "x-mailer:":
|
|
case "x-rslight-to:":
|
|
$header->rslight_to=trim($value);
|
|
break;
|
|
case "x-rslight-site:":
|
|
$header->rslight_site=trim($value);
|
|
break;
|
|
case "user-agent:":
|
|
$header->user_agent=trim($value);
|
|
break;
|
|
case "x-face:": // not ready
|
|
// echo "<p>-".base64_decode($value)."-</p>";
|
|
break;
|
|
case "x-no-archive:":
|
|
$header->xnoarchive=strtolower(trim($value));
|
|
}
|
|
}
|
|
if (!isset($header->content_type[0]))
|
|
$header->content_type[0]="text/plain";
|
|
if (!isset($header->content_transfer_encoding))
|
|
$header->content_transfer_encoding="8bit";
|
|
if ($number != "") $header->number=$number;
|
|
return $header;
|
|
}
|
|
|
|
/*
|
|
* convert the charset of a text
|
|
*/
|
|
function recode_charset($text,$source=false,$dest=false) {
|
|
global $iconv_enable,$www_charset;
|
|
if($dest==false)
|
|
$dest=$www_charset;
|
|
if(($iconv_enable) && ($source!=false)) {
|
|
$return=iconv($source,
|
|
$dest."//TRANSLIT",$text);
|
|
if($return!="")
|
|
return $return;
|
|
else
|
|
return $text;
|
|
} else {
|
|
return $text;
|
|
}
|
|
}
|
|
|
|
function decode_body($body,$encoding) {
|
|
$bodyzeile="";
|
|
switch ($encoding) {
|
|
case "base64":
|
|
$body=base64_decode($body);
|
|
break;
|
|
case "quoted-printable":
|
|
$body=Quoted_printable_decode($body);
|
|
$body=str_replace("=\n","",$body);
|
|
// default:
|
|
// $body=str_replace("\n..\n","\n.\n",$body);
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
/*
|
|
* makes URLs clickable
|
|
*
|
|
* $text: A text-line probably containing links.
|
|
*
|
|
* the function returns the text-line with HTML-Links to the links or
|
|
* email-adresses.
|
|
*/
|
|
function html_parse($text) {
|
|
global $frame_externallink;
|
|
if ((isset($frame_externallink)) && ($frame_externallink != "")) {
|
|
$target=' TARGET="'.$frame_externallink.'" ';
|
|
} else {
|
|
$target=' ';
|
|
}
|
|
// regular expressions that will be applied to every word in the text
|
|
$regexp_replace=array(
|
|
'http://((\.*([-a-z0-9_/~@?=%#;+]|&)+)+)' =>
|
|
'<a'.$target.'href="http://\1">http://\1</a>',
|
|
'(www\.[-a-z]+\.(de|pl|cz|sk|tk|tv|cc|cx|biz|us|uk|info|int|eu|dk|org|net|at|ch|com))' =>
|
|
'<a'.$target.'href="http://\1">\1</a>',
|
|
'https://([-a-z0-9_./~@?=%#&;\n]+)' =>
|
|
'<a'.$target.'href="https://\1">https://\1</a>',
|
|
'gopher://([-a-z0-9_./~@?=%\n]+)' =>
|
|
'<a'.$target.'href="gopher://\1">gopher://\1</a>',
|
|
'news://([-a-z0-9_./~@?=%\n]+)' =>
|
|
'<a'.$target.'href="news://\1">news://\1</a>',
|
|
'ftp://([-a-z0-9_./~@?=%\n]+)' =>
|
|
'<a'.$target.'href="ftp://\1">ftp://\1</a>',
|
|
//'([-a-z0-9_./n]+)@([-a-z0-9_.]+)' =>
|
|
// $_SESSION["loggedin"]!==true ? '(e-Mail)' :
|
|
// '<a href="mailto:\1@\2">\1@\2</a>'
|
|
);
|
|
$ntext="";
|
|
// split every line into it's words
|
|
$words=explode(" ",$text);
|
|
$n=count($words);
|
|
for($i=0; $i<$n; $i++) {
|
|
$word=$words[$i];
|
|
// test, if we need the slow walk through all the regular expressions
|
|
if(preg_match('/www|\:|@/i',$word)) {
|
|
// apply the regular expressions to the word until a matching
|
|
// expression is found
|
|
foreach ($regexp_replace as $key => $value) {
|
|
$nword=preg_replace('/{$key}/i',$value,$word);
|
|
if($nword!=$word) {
|
|
$word=$nword;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// add the spaces between the words
|
|
if($i>0)
|
|
$ntext.=" ";
|
|
$ntext.=$word;
|
|
}
|
|
return($ntext);
|
|
}
|
|
|
|
|
|
/*
|
|
* read the header of an article in plaintext into an array
|
|
* $articleNumber can be the number of an article or its message-id.
|
|
*/
|
|
function readPlainHeader(&$ns,$group,$articleNumber) {
|
|
fputs($ns,"GROUP $group\r\n");
|
|
$line=line_read($ns);
|
|
fputs($ns,"HEAD $articleNumber\r\n");
|
|
$line=line_read($ns);
|
|
if (substr($line,0,3) != "221") {
|
|
echo $text_error["article_not_found"];
|
|
$header=false;
|
|
} else {
|
|
$line=line_read($ns);
|
|
$body="";
|
|
while(strcmp(trim($line),".") != 0) {
|
|
$body .= $line."\n";
|
|
$line=line_read($ns);
|
|
}
|
|
return explode("\n",str_replace("\r\n","\n",$body));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* cancel an article on the newsserver
|
|
*
|
|
* DO NOT USE THIS FUNCTION, IF YOU DON'T KNOW WHAT YOU ARE DOING!
|
|
*
|
|
* $ns: The handler of the NNTP-Connection
|
|
* $group: The group of the article
|
|
* $id: the Number of the article inside the group or the message-id
|
|
*/
|
|
function message_cancel($subject,$from,$newsgroups,$ref,$body,$id) {
|
|
global $server,$port,$send_poster_host,$CONFIG,$text_error;
|
|
global $www_charset;
|
|
flush();
|
|
$ns=nntp_open($server,$port);
|
|
if ($ns != false) {
|
|
fputs($ns,"POST\r\n");
|
|
$weg=line_read($ns);
|
|
fputs($ns,'Subject: '.quoted_printable_encode($subject)."\r\n");
|
|
fputs($ns,'From: '.$from."\r\n");
|
|
fputs($ns,'Newsgroups: '.$newsgroups."\r\n");
|
|
fputs($ns,"Mime-Version: 1.0\r\n");
|
|
fputs($ns,"Content-Type: text/plain; charset=".$www_charset."\r\n");
|
|
fputs($ns,"Content-Transfer-Encoding: 8bit\r\n");
|
|
if ($send_poster_host)
|
|
fputs($ns,'X-HTTP-Posting-Host: '.gethostbyaddr(getenv("REMOTE_ADDR"))."\r\n");
|
|
if ($ref!=false) fputs($ns,'References: '.$ref."\r\n");
|
|
if (isset($CONFIG['organization']))
|
|
fputs($ns,'Organization: '.quoted_printable_encode($CONFIG['organization'])."\r\n");
|
|
fputs($ns,"Control: cancel ".$id."\r\n");
|
|
$body=str_replace("\n.\r","\n..\r",$body);
|
|
$body=str_replace("\r",'',$body);
|
|
$b=explode("\n",$body);
|
|
$body="";
|
|
for ($i=0; $i<count($b); $i++) {
|
|
if ((strpos(substr($b[$i],0,strpos($b[$i]," ")),">") != false ) | (strcmp(substr($b[$i],0,1),">") == 0)) {
|
|
$body .= textwrap(stripSlashes($b[$i]),78,"\r\n")."\r\n";
|
|
} else {
|
|
$body .= textwrap(stripSlashes($b[$i]),74,"\r\n")."\r\n";
|
|
}
|
|
}
|
|
fputs($ns,"\r\n".$body."\r\n.\r\n");
|
|
$message=line_read($ns);
|
|
nntp_close($ns);
|
|
} else {
|
|
$message=$text_error["post_failed"];
|
|
}
|
|
return $message;
|
|
}
|
|
function rslight_encrypt($data, $key) {
|
|
$encryption_key = base64_decode($key);
|
|
$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
|
|
$encrypted = openssl_encrypt($data, 'aes-256-cbc', $encryption_key, 0, $iv);
|
|
return base64_encode($encrypted . '::' . $iv);
|
|
}
|
|
|
|
function _rawurlencode($string) {
|
|
$string = rawurlencode(str_replace('+','%2B',$string));
|
|
return $string;
|
|
}
|
|
|
|
function _rawurldecode($string) {
|
|
$string = rawurldecode(str_replace('%2B','+',$string));
|
|
return $string;
|
|
}
|
|
|
|
function rslight_decrypt($data, $key) {
|
|
$encryption_key = base64_decode($key);
|
|
list($encrypted_data, $iv) = explode('::', base64_decode($data), 2);
|
|
return openssl_decrypt($encrypted_data, 'aes-256-cbc', $encryption_key, 0, $iv);
|
|
}
|
|
|
|
function group_display_name($gname)
|
|
{
|
|
global $config_dir;
|
|
$namelist = file($config_dir."rename.conf", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
|
foreach($namelist as $name) {
|
|
if($name[0] == '#') {
|
|
continue;
|
|
}
|
|
$nameitem = explode(':', $name);
|
|
if(!strcmp(trim($nameitem[0]),trim($gname))) {
|
|
return $nameitem[1];
|
|
}
|
|
}
|
|
return $gname;
|
|
}
|
|
function check_bbs_auth($username, $password) {
|
|
global $config_dir,$CONFIG;
|
|
|
|
$workpath = $config_dir."users/";
|
|
$username = trim(strtolower($username));
|
|
$userFilename = $workpath.$username;
|
|
$keyFilename = $config_dir."/userconfig/".$username;
|
|
|
|
// Create accounts for $anonymous and $CONFIG['server_auth_user'] if not exist
|
|
if($username == strtolower($CONFIG['anonusername'])) {
|
|
if(filemtime($config_dir."rslight.inc.php") > filemtime($userFilename)) {
|
|
if ($userFileHandle = @fopen($userFilename, 'w+'))
|
|
{
|
|
fwrite($userFileHandle, password_hash($CONFIG['anonuserpass'], PASSWORD_DEFAULT));
|
|
fclose($userFileHandle);
|
|
}
|
|
}
|
|
}
|
|
if($username == strtolower($CONFIG['server_auth_user'])) {
|
|
if(filemtime($config_dir."rslight.inc.php") > filemtime($userFilename)) {
|
|
if ($userFileHandle = @fopen($userFilename, 'w+'))
|
|
{
|
|
fwrite($userFileHandle, password_hash($CONFIG['server_auth_pass'], PASSWORD_DEFAULT));
|
|
fclose($userFileHandle);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($userFileHandle = @fopen($userFilename, 'r'))
|
|
{
|
|
$userFileInfo = fread($userFileHandle, filesize($userFilename));
|
|
fclose($userFileHandle);
|
|
if (password_verify ( $password , $userFileInfo))
|
|
{
|
|
touch($userFilename);
|
|
$ok = TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
$ok = FALSE;
|
|
}
|
|
if ($ok)
|
|
{
|
|
return TRUE;
|
|
} else {
|
|
if(isset($CONFIG['auto_create']) && $CONFIG['auto_create'] == true) {
|
|
if ($userFileHandle = @fopen($userFilename, 'w+')) {
|
|
fwrite($userFileHandle, password_hash($password, PASSWORD_DEFAULT));
|
|
fclose($userFileHandle);
|
|
chmod($userFilename, 0666);
|
|
}
|
|
$newkey = base64_encode(openssl_random_pseudo_bytes(44));
|
|
if ($userFileHandle = @fopen($keyFilename, 'w+')) {
|
|
fwrite($userFileHandle, 'encryptionkey:'.$newkey);
|
|
fclose($userFileHandle);
|
|
chmod($userFilename, 0666);
|
|
}
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
function check_encryption_groups($request) {
|
|
global $config_path;
|
|
$groupsFilename = $config_path."encryption_ok.txt";
|
|
if ($groupsFileHandle = @fopen($groupsFilename, 'r'))
|
|
{
|
|
while (!feof($groupsFileHandle))
|
|
{
|
|
$buffer = fgets($groupsFileHandle);
|
|
$buffer = str_replace(array("\r", "\n"), '',$buffer);
|
|
if(!strcmp($buffer, $request)) {
|
|
fclose($groupsFileHandle);
|
|
return TRUE;
|
|
}
|
|
}
|
|
fclose($userFileHandle);
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
function set_user_config($username,$request,$newval) {
|
|
global $config_dir;
|
|
$userconfigpath = $config_dir."userconfig/";
|
|
$username = strtolower($username);
|
|
$userFilename = $userconfigpath.$username;
|
|
$userData = file($userFilename, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
|
$userFileHandle = fopen($userFilename, 'w');
|
|
|
|
$found=0;
|
|
foreach($userData as $data) {
|
|
if(strpos($data, $request.':') !== FALSE) {
|
|
fputs($userFileHandle, $request.':'.$newval."\r\n");
|
|
$found=1;
|
|
} else {
|
|
fputs($userFileHandle, $data."\r\n");
|
|
}
|
|
}
|
|
if($found == 0) {
|
|
fputs($userFileHandle, $request.':'.$newval."\r\n");
|
|
}
|
|
fclose($userFileHandle);
|
|
return;
|
|
}
|
|
|
|
function get_user_config($username,$request) {
|
|
global $config_dir;
|
|
$userconfigpath = $config_dir."userconfig/";
|
|
$username = strtolower($username);
|
|
$userFilename = $userconfigpath.$username;
|
|
|
|
if ($userFileHandle = @fopen($userFilename, 'r'))
|
|
{
|
|
while (!feof($userFileHandle))
|
|
{
|
|
$buffer = fgets($userFileHandle);
|
|
if(strpos($buffer, $request.':') !== FALSE) {
|
|
$userdataline=$buffer;
|
|
fclose($userFileHandle);
|
|
$userdatafound = explode(':',$userdataline);
|
|
return $userdatafound[1];
|
|
}
|
|
}
|
|
fclose($userFileHandle);
|
|
return FALSE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
function is_multibyte($s) {
|
|
return mb_strlen($s,'utf-8') < strlen($s);
|
|
}
|
|
|
|
function check_spam($subject,$from,$newsgroups,$ref,$body,$msgid)
|
|
{
|
|
global $msgid_generate,$msgid_fqdn;
|
|
global $CONFIG;
|
|
$spamfile = tempnam('./spool', 'spam-');
|
|
|
|
$tmpheader='From: '.$from."\r\n";
|
|
if(strpos($from, $CONFIG['anonusername'])) {
|
|
$tmpheader.="Anonymous: TRUE\r\n";
|
|
}
|
|
$tmpheader.='Message-ID: '.$msgid."\r\n";
|
|
$tmpheader.='Subject: '.encode_subject($subject)."\r\n\r\n";
|
|
if ($spamFileHandle = fopen($spamfile, 'w'))
|
|
{
|
|
fwrite($spamFileHandle, $tmpheader);
|
|
fwrite($spamFileHandle, $body);
|
|
$spamcommand = $CONFIG['spamc'].' -E < '.$spamfile;
|
|
ob_start();
|
|
$spamresult = passthru($spamcommand, $res);
|
|
$spamresult = ob_get_contents();
|
|
ob_end_clean();
|
|
$spam_fail=1;
|
|
foreach (explode(PHP_EOL, $spamresult) as $line) {
|
|
$line = str_replace(array("\n\r", "\n", "\r"), '', $line);
|
|
if(strpos($line, 'X-Spam-Checker-Version:') !== FALSE) {
|
|
$spamcheckerversion = $line;
|
|
$spam_fail=0;
|
|
}
|
|
if(strpos($line, 'X-Spam-Level:') !== FALSE) {
|
|
$spamlevel = $line;
|
|
}
|
|
}
|
|
}
|
|
fclose($spamFileHandle);
|
|
unlink($spamfile);
|
|
return array(
|
|
'res' => $res,
|
|
'spamresult' => $spamresult,
|
|
'spamcheckerversion' => $spamcheckerversion,
|
|
'spamlevel' => $spamlevel,
|
|
'spam_fail' => $spam_fail
|
|
);
|
|
}
|
|
|
|
function format_log_date() {
|
|
return date('M d H:i:s');
|
|
}
|
|
|
|
function create_name_link($name) {
|
|
global $CONFIG;
|
|
if(strpos($name, '...@') !== false && (isset($CONFIG['hide_email']) && $CONFIG['hide_email'] == true)) {
|
|
$return = '<span class="visited">'.substr(htmlspecialchars($name),0,20).'</span>';
|
|
} else {
|
|
$return = '<a href="result.php?command=search&searchpoint=Poster&terms='.$name.'"><span class="visited">'.substr(htmlspecialchars($name),0,20).'</span></a>';
|
|
}
|
|
return($return);
|
|
}
|
|
function truncate_email($address) {
|
|
$before_at = explode('@', $address);
|
|
$namelen = strlen($before_at[0]);
|
|
if ($namelen > 3) {
|
|
$endname = $namelen - 3;
|
|
if($endname > 8)
|
|
$endname = 8;
|
|
if($endname < 3)
|
|
$endname++;
|
|
if($endname < 3)
|
|
$endname++;
|
|
} else {
|
|
$endname = $namelen;
|
|
}
|
|
return substr($before_at[0], 0, $endname).'...'.substr($address, $namelen, strlen($address));
|
|
}
|
|
|
|
function get_date_interval($value) {
|
|
$current = time();
|
|
$datetime1 = date_create($value);
|
|
$datetime2 = date_create("@$current");
|
|
$interval = date_diff($datetime1, $datetime2);
|
|
$years = $interval->format('%y')." Years ";
|
|
$months = $interval->format('%m')." Months ";
|
|
$days = $interval->format('%d')." Days ";
|
|
$hours = $interval->format('%h')." Hours ";
|
|
$minutes = $interval->format('%i')." Minutes ";
|
|
if($interval->format('%y') == 1) {
|
|
$years = $interval->format('%y')." Year ";
|
|
}
|
|
if($interval->format('%m') == 1) {
|
|
$months = $interval->format('%m')." Month ";
|
|
}
|
|
if($interval->format('%d') == 1) {
|
|
$days = $interval->format('%d')." Day ";
|
|
}
|
|
if($interval->format('%h') == 1) {
|
|
$hours = $interval->format('%h')." Hour ";
|
|
}
|
|
if($interval->format('%i') == 1) {
|
|
$minutes = $interval->format('%i')." Minute ";
|
|
}
|
|
if($interval->format('%y') == 0) {
|
|
$years = '';
|
|
}
|
|
if($interval->format('%m') == 0) {
|
|
$months = '';
|
|
}
|
|
if($interval->format('%d') == 0) {
|
|
$days = '';
|
|
}
|
|
if($interval->format('%h') == 0) {
|
|
$hours = '';
|
|
}
|
|
if($interval->format('%i') == 0) {
|
|
$minutes = '';
|
|
}
|
|
if($years > 0) {
|
|
$days = '';
|
|
$hours = '';
|
|
$minutes = '';
|
|
}
|
|
if($months > 0) {
|
|
$hours = '';
|
|
$minutes = '';
|
|
}
|
|
if($days > 0) {
|
|
$minutes = '';
|
|
}
|
|
$variance = $interval->format($years.$months.$days.$hours.$minutes.' ago');
|
|
if(strlen($variance) < 5) {
|
|
$variance = " now";
|
|
}
|
|
return $variance;
|
|
}
|
|
?>
|