811 lines
24 KiB
PHP
Executable File
811 lines
24 KiB
PHP
Executable File
<?
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/* Newsportal NNTP<->HTTP Gateway
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* Version: 0.36
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* Download: http://florian-amrhein.de/newsportal
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*
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* Copyright (C) 2002-2004 Florian Amrhein
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* E-Mail: newsportal@florian-amrhein.de
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* Web: http://florian-amrhein.de
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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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include "lib/types.inc.php";
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include "lib/thread.inc.php";
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include "lib/message.inc.php";
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include "lib/post.inc.php";
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//include "lib/validator.inc.php";
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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 $text_error,$server_auth_user,$server_auth_pass,$readonly;
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global $server,$port;
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// echo "<br>NNTP OPEN<br>";
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$authorize=((isset($server_auth_user)) && (isset($server_auth_pass)) &&
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($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($server_auth_user)) && (isset($server_auth_pass)) &&
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($server_auth_user != "")) {
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fputs($ns,"AUTHINFO USER $server_auth_user\r\n");
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$weg=line_read($ns);
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fputs($ns,"AUTHINFO PASS $server_auth_pass\r\n");
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$weg=line_read($ns);
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if (substr($weg,0,3) != "281") {
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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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$return = (ereg('^[-!#$%&\'*+\\./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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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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/*
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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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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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$pos=strpos($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($gf);
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return false;
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} else {
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return true;
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}
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}
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function testGroups($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) {
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global $gl_age,$file_groups,$spooldir,$cache_index;
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// is there a cached version, and is it actual enough?
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$cachefile=$spooldir.'/groups.dat';
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if((file_exists($cachefile)) && (filemtime($cachefile)+$cache_index>time())) {
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// cached file exists and is new enough. so lets read it out.
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$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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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=$response;
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}
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if (strcmp(substr($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($ns));
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$gruppe->count=$t[1];
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// mark group with new articles with colors
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if($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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return $newsgroups;
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}
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/*
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* print the group names from an array to the webpage
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*/
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function groups_show($gruppen) {
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global $gl_age;
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if ($gruppen == false) return;
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global $file_thread,$text_groups;
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$c = count($gruppen);
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echo '<div class="np_index_groupblock">';
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$acttype="keins";
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for($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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$acttype="text";
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if($i>0)
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echo '</div>';
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echo '<div class="np_index_grouphead">';
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}
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echo $g->text;
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} else {
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if($acttype!="group") {
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$acttype="group";
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if($i>0)
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echo '</div>';
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echo '<div class="np_index_groupblock">';
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}
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echo '<div class="np_index_group">';
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echo '<a ';
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if ((isset($frame_threadframeset)) && ($frame_threadframeset != ""))
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echo 'target="'.$frame_threadframeset.'" ';
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echo 'href="'.$file_thread.'?group='.urlencode($g->name).'">'.$g->name."</a>\n";
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if($gl_age)
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$datecolor=thread_format_date_color($g->age);
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echo '<small>(';
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if($datecolor!="")
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echo '<font color="'.$datecolor.'">'.$g->count.'</font>';
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else
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echo $g->count;
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echo ')</small>';
|
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if($g->description!="-")
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echo '<br><small>'.$g->description.'</small>';
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echo '</div>';
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}
|
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echo "\n";
|
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flush();
|
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}
|
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echo "</div></div>\n";
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}
|
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|
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/*
|
|
* gets a list of aviable articles in the group $groupname
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*/
|
|
/*
|
|
function getArticleList(&$ns,$groupname) {
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fputs($ns,"LISTGROUP $groupname \r\n");
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$line=line_read($ns);
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$line=line_read($ns);
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while(strcmp($line,".") != 0) {
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$articleList[] = trim($line);
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$line=line_read($ns);
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}
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if (!isset($articleList)) $articleList="-";
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return $articleList;
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}
|
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*/
|
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|
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/*
|
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* Decode quoted-printable or base64 encoded headerlines
|
|
*
|
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* $value: The to be decoded line
|
|
*
|
|
* returns the decoded line
|
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*/
|
|
function headerDecode($value) {
|
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if (eregi('=\?.*\?.\?.*\?=',$value)) { // is there anything encoded?
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if (eregi('=\?.*\?Q\?.*\?=',$value)) { // quoted-printable decoding
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|
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$charset=eregi_replace('(.*)=\?(.*)\?Q\?(.*)\?=(.*)','\2',$value);
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$result1=eregi_replace('(.*)=\?.*\?Q\?(.*)\?=(.*)','\1',$value);
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$result2=eregi_replace('(.*)=\?.*\?Q\?(.*)\?=(.*)','\2',$value);
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$result3=eregi_replace('(.*)=\?.*\?Q\?(.*)\?=(.*)','\3',$value);
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$result2=str_replace("_"," ",quoted_printable_decode($result2));
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$newvalue=$result1.recode_charset($result2,$charset).$result3;
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}
|
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if (eregi('=\?.*\?B\?.*\?=',$value)) { // base64 decoding
|
|
$result1=eregi_replace('(.*)=\?.*\?B\?(.*)\?=(.*)','\1',$value);
|
|
$result2=eregi_replace('(.*)=\?.*\?B\?(.*)\?=(.*)','\2',$value);
|
|
$result3=eregi_replace('(.*)=\?.*\?B\?(.*)\?=(.*)','\3',$value);
|
|
$result2=base64_decode($result2);
|
|
$newvalue=$result1.$result2.$result3;
|
|
}
|
|
if (!isset($newvalue)) // nothing of the above, must be an unknown encoding...
|
|
$newvalue=$value;
|
|
else
|
|
$newvalue=headerDecode($newvalue); // maybe there are more encoded
|
|
return($newvalue); // parts
|
|
} else { // there wasn't anything encoded, return the original string
|
|
return($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 $timezone;
|
|
$months=array("Jan"=>1,"Feb"=>2,"Mar"=>3,"Apr"=>4,"May"=>5,"Jun"=>6,"Jul"=>7,"Aug"=>8,"Sep"=>9,"Oct"=>10,"Nov"=>11,"Dec"=>12);
|
|
$value=str_replace(" "," ",$value);
|
|
$d=split(" ",$value,6);
|
|
if (strcmp(substr($d[0],strlen($d[0])-1,1),",") == 0) {
|
|
$date[0]=$d[1]; // day
|
|
$date[1]=$d[2]; // month
|
|
$date[2]=$d[3]; // year
|
|
$date[3]=$d[4]; // hours:minutes:seconds
|
|
$gmt=$d[5]; // timezone
|
|
} else {
|
|
$date[0]=$d[0]; // day
|
|
$date[1]=$d[1]; // month
|
|
$date[2]=$d[2]; // year
|
|
$date[3]=$d[3]; // hours:minutes:seconds
|
|
$gmt=$d[4]; // timezone
|
|
}
|
|
$time=split(":",$date[3]);
|
|
// timezone handling
|
|
$msgtimezone=0;
|
|
if ($gmt[0]=='-') {
|
|
$msgtimezone=-substr($gmt,1,2);
|
|
$msgminzone=-substr($gmt,3,2);
|
|
} else if ($gmt[0]=='+') {
|
|
$msgtimezone=+substr($gmt,1,2);
|
|
$msgminzone=+substr($gmt,3,2);
|
|
}
|
|
$time[0]=$time[0]-$msgtimezone+$timezone;
|
|
$time[1]=$time[1]-$msgminzone+$minzone;
|
|
$timestamp=mktime($time[0],$time[1],$time[2],$months[$date[1]],$date[0],$date[2]);
|
|
return $timestamp;
|
|
}
|
|
|
|
function parse_header($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();
|
|
$subheader=split(";",$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 "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[$i];
|
|
// test, if we need the slow walk through all the regular expressions
|
|
if(eregi('www|\:|@',$word)) {
|
|
// apply the regular expressions to the word until a matching
|
|
// expression is found
|
|
foreach ($regexp_replace as $key => $value) {
|
|
$nword=eregi_replace($key,$value,$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 split("\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,$send_poster_host,$organization,$text_error;
|
|
global $file_footer,$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: '.$ref."\r\n");
|
|
if (isset($organization))
|
|
fputs($ns,'Organization: '.quoted_printable_encode($organization)."\r\n");
|
|
fputs($ns,"Control: cancel ".$id."\r\n");
|
|
if ((isset($file_footer)) && ($file_footer!="")) {
|
|
$footerfile=fopen($file_footer,"r");
|
|
$body.="\n".fread($footerfile,filesize($file_footer));
|
|
fclose($footerfile);
|
|
}
|
|
$body=str_replace("\n.\r","\n..\r",$body);
|
|
$body=str_replace("\r",'',$body);
|
|
$b=split("\n",$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;
|
|
}
|
|
|
|
?>
|