rocksolid-light/Rocksolid_Light/rocksolid/newsportal.php

1436 lines
43 KiB
PHP

<?php
/* rslight NNTP<->HTTP Gateway
* Version: 0.6.x
* Download: https://news.novabbs.com/getrslight
*
* Based on Newsportal by Florian Amrhein
*
* E-Mail: retroguy@novabbs.com
* Web: https://news.novabbs.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
if(file_exists("lib/types.inc.php"))
include "lib/types.inc.php";
if(file_exists("lib/thread.inc.php"))
include "lib/thread.inc.php";
if(file_exists("lib/message.inc.php"))
include "lib/message.inc.php";
if(file_exists("lib/post.inc.php"))
include "lib/post.inc.php";
$CONFIG = include($config_file);
/*
* opens the connection to the NNTP-Server
*
* $server: adress of the NNTP-Server
* $port: port of the server
*/
function nntp_open($nserver=0,$nport=0) {
global $text_error,$CONFIG;
global $server,$port;
// echo "<br>NNTP OPEN<br>";
if(!isset($CONFIG['enable_nntp']) || $CONFIG['enable_nntp'] != true) {
$CONFIG['server_auth_user'] = $CONFIG['remote_auth_user'];
$CONFIG['server_auth_pass'] = $CONFIG['remote_auth_pass'];
}
$authorize=((isset($CONFIG['server_auth_user'])) && (isset($CONFIG['server_auth_pass'])) &&
($CONFIG['server_auth_user'] != ""));
if ($nserver==0) $nserver=$server;
if ($nport==0) $nport=$port;
$ns=@fsockopen($nserver,$nport);
$weg=line_read($ns); // kill the first line
if (substr($weg,0,2) != "20") {
echo "<p>".$text_error["error:"].$weg."</p>";
fclose($ns);
$ns=false;
} else {
if ($ns != false) {
fputs($ns,"MODE reader\r\n");
$weg=line_read($ns); // and once more
if ((substr($weg,0,2) != "20") &&
((!$authorize) || ((substr($weg,0,3) != "480") && ($authorize)))) {
echo "<p>".$text_error["error:"].$weg."</p>";
fclose($ns);
$ns=false;
}
}
if ((isset($CONFIG['server_auth_user'])) && (isset($CONFIG['server_auth_pass'])) &&
($CONFIG['server_auth_user'] != "")) {
fputs($ns,"AUTHINFO USER ".$CONFIG['server_auth_user']."\r\n");
$weg=line_read($ns);
fputs($ns,"AUTHINFO PASS ".$CONFIG['server_auth_pass']."\r\n");
$weg=line_read($ns);
/* Only check auth if reading and posting same server */
if (substr($weg,0,3) != "281" && !(isset($post_server)) && ($post_server!="")) {
echo "<p>".$text_error["error:"]."</p>";
echo "<p>".$text_error["auth_error"]."</p>";
}
}
}
if ($ns==false) echo "<p>".$text_error["connection_failed"]."</p>";
return $ns;
}
function nntp2_open($nserver=0,$nport=0) {
global $text_error,$CONFIG;
// echo "<br>NNTP OPEN<br>";
$authorize=((isset($CONFIG['remote_auth_user'])) && (isset($CONFIG['remote_auth_pass'])) &&
($CONFIG['remote_auth_user'] != ""));
if ($nserver==0) $nserver=$CONFIG['remote_server'];
if ($nport==0) $nport=$CONFIG['remote_port'];
if($CONFIG['remote_ssl']) {
$ns=@fsockopen('ssl://'.$nserver.":".$nport);
} else {
if(isset($CONFIG['socks_host']) && $CONFIG['socks_host'] !== '') {
$ns=fsocks4asockopen($CONFIG['socks_host'], $CONFIG['socks_port'], $nserver, $nport);
} else {
$ns=@fsockopen('tcp://'.$nserver.":".$nport);
}
}
// $ns=@fsockopen($nserver,$nport);
$weg=line_read($ns); // kill the first line
if (substr($weg,0,2) != "20") {
echo "<p>".$text_error["error:"].$weg."</p>";
fclose($ns);
$ns=false;
} else {
if ($ns != false) {
fputs($ns,"MODE reader\r\n");
$weg=line_read($ns); // and once more
if ((substr($weg,0,2) != "20") &&
((!$authorize) || ((substr($weg,0,3) != "480") && ($authorize)))) {
echo "<p>".$text_error["error:"].$weg."</p>";
fclose($ns);
$ns=false;
}
}
if ((isset($CONFIG['remote_auth_user'])) && (isset($CONFIG['remote_auth_pass'])) &&
($CONFIG['remote_auth_user'] != "")) {
fputs($ns,"AUTHINFO USER ".$CONFIG['remote_auth_user']."\r\n");
$weg=line_read($ns);
fputs($ns,"AUTHINFO PASS ".$CONFIG['remote_auth_pass']."\r\n");
$weg=line_read($ns);
/* Only check auth if reading and posting same server */
if (substr($weg,0,3) != "281" && !(isset($post_server)) && ($post_server!="")) {
echo "<p>".$text_error["error:"]."</p>";
echo "<p>".$text_error["auth_error"]."</p>";
}
}
}
if ($ns==false) echo "<p>".$text_error["connection_failed"]."</p>";
return $ns;
}
function fsocks4asockopen($proxyHostname, $proxyPort, $targetHostname, $targetPort)
{
$sock = fsockopen($proxyHostname, $proxyPort);
if($sock === false)
return false;
fwrite($sock, pack("CCnCCCCC", 0x04, 0x01, $targetPort, 0x00, 0x00, 0x00, 0x01, 0x00).$targetHostname.pack("C", 0x00));
$response = fread($sock, 16);
$values = unpack("xnull/Cret/nport/Nip", $response);
if($values["ret"] == 0x5a) return $sock;
else
{
fclose($sock);
return false;
}
}
/*
* Close a NNTP connection
*
* $ns: the handle of the connection
*/
function nntp_close(&$ns) {
if ($ns != false) {
fputs($ns,"QUIT\r\n");
fclose($ns);
}
}
/*
* Validates an email adress
*
* $address: a string containing the email-address to be validated
*
* returns true if the address passes the tests, false otherwise.
*/
function validate_email($address)
{
global $validate_email;
$return=true;
if (($validate_email >= 1) && ($return == true))
/* Need to clean up this regex to work properly with preg_match
$return = (preg_match('^[-!#$%&\'*+\\./0-9=?A-Z^_A-z{|}~]+'.'@'.
'[-!#$%&\'*+\\/0-9=?A-Z^_A-z{|}~]+\.'.
'[-!#$%&\'*+\\./0-9=?A-Z^_A-z{|}~]+$',$address));
*/
$return = 1;
if (($validate_email >= 2) && ($return == true)) {
$addressarray=address_decode($address,"garantiertungueltig");
$return=checkdnsrr($addressarray[0]["host"],"MX");
if (!$return) $return=checkdnsrr($addressarray[0]["host"],"A");
}
return($return);
}
/*
* decodes a block of 7bit-data in uuencoded format to it's original
* 8bit format.
* The headerline containing filename and permissions doesn't have to
* be included.
*
* $data: The uuencoded data as a string
*
* returns the 8bit data as a string
*
* Note: this function is very slow and doesn't recognize incorrect code.
*/
function uudecode_line($line) {
$data=substr($line,1);
$length=ord($line[0])-32;
$decoded="";
for ($i=0; $i<(strlen($data)>>2); $i++) {
$pack=substr($data,$i<<2,4);
$upack="";
$bitmaske=0;
for ($o=0; $o<4; $o++) {
$g=((ord($pack[3-$o])-32));
if ($g==64) $g=0;
$bitmaske=$bitmaske | ($g << (6*$o));
}
$schablone=255;
for ($o=0; $o<3; $o++) {
$c=($bitmaske & $schablone) >> ($o << 3);
$schablone=($schablone << 8);
$upack=chr($c).$upack;
}
$decoded.=$upack;
}
$decoded=substr($decoded,0,$length);
return $decoded;
}
/*
* decodes uuencoded Attachments.
*
* $data: the encoded data
*
* returns the decoded data
*/
function uudecode($data) {
$d=explode("\n",$data);
$u="";
for ($i=0; $i<count($d)-1; $i++)
$u.=uudecode_line($d[$i]);
return $u;
}
/*
* returns the mimetype of an filename
*
* $name: the complete filename of a file
*
* returns a string containing the mimetype
*/
function get_mimetype_by_filename($name) {
$ending=strtolower(strrchr($name,"."));
switch($ending) {
case ".jpg":
case ".jpeg":
$type="image/jpeg";
break;
case ".gif":
$type="image/gif";
break;
case ".png":
$type="image/png";
break;
case ".bmp":
$type="image/bmp";
break;
default:
$type="text/plain";
}
return $type;
}
function get_mimetype_by_string($filedata) {
if(function_exists('finfo_open')) {
$f = finfo_open();
return finfo_buffer($f, $filedata, FILEINFO_MIME_TYPE);
} else {
return false;
}
}
/*
* Test, if the access to a group is allowed. This is true, if $testgroup is
* false or the groupname is in groups.txt
*
* $groupname: name of the group to be checked
*
* returns true, if access is allowed
*/
function testGroup($groupname) {
global $testgroup,$file_groups;
$groupname=strtolower($groupname);
if ($testgroup) {
$gf=fopen($file_groups,"r");
while (!feof($gf)) {
$read=trim(line_read($gf));
$read=preg_replace('/\t/', ' ', $read);
$read=strtolower($read);
$pos=strpos($read," ");
if ($pos != false) {
if (substr($read,0,$pos)==trim($groupname)) return true;
} else {
if ($read == trim($groupname)) return true;
}
}
fclose($gf);
if($groupname=$CONFIG['spamgroup'])
return true;
else
return false;
} else {
return true;
}
}
function testGroups($newsgroups) {
$groups=explode(",",$newsgroups);
$count=count($groups);
$return="";
$o=0;
for ($i=0; $i<$count; $i++) {
if (testgroup($groups[$i]) &&
(!function_exists("npreg_group_has_write_access") ||
npreg_group_has_write_access($groups[$i]))) {
if ($o>0) $return.=",";
$o++;
$return.=$groups[$i];
}
}
return($return);
}
/*
* read one line from the NNTP-server
*/
function line_read(&$ns) {
if ($ns != false) {
$t=str_replace("\n","",str_replace("\r","",fgets($ns,1200)));
return $t;
}
}
/*
* Split an internet-address string into its parts. An address string could
* be for example:
* - user@host.domain (Realname)
* - "Realname" <user@host.domain>
* - user@host.domain
*
* The address will be split into user, host (incl. domain) and realname
*
* $adrstring: The string containing the address in internet format
* $defaulthost: The name of the host which should be returned if the
* address-string doesn't contain a hostname.
*
* returns an hash containing the fields "mailbox", "host" and "personal"
*/
function address_decode($adrstring,$defaulthost) {
$parsestring=trim($adrstring);
$len=strlen($parsestring);
$at_pos=strpos($parsestring,'@'); // find @
$ka_pos=strpos($parsestring,"("); // find (
$kz_pos=strpos($parsestring,')'); // find )
$ha_pos=strpos($parsestring,'<'); // find <
$hz_pos=strpos($parsestring,'>'); // find >
$space_pos=strpos($parsestring,')'); // find ' '
$email="";
$mailbox="";
$host="";
$personal="";
if ($space_pos != false) {
if (($ka_pos != false) && ($kz_pos != false)) {
$personal=substr($parsestring,$ka_pos+1,$kz_pos-$ka_pos-1);
$email=trim(substr($parsestring,0,$ka_pos-1));
}
} else {
$email=$adrstring;
}
if (($ha_pos != false) && ($hz_pos != false)) {
$email=trim(substr($parsestring,$ha_pos+1,$hz_pos-$ha_pos-1));
$personal=substr($parsestring,0,$ha_pos-1);
}
if ($at_pos != false) {
$mailbox=substr($email,0,strpos($email,'@'));
$host=substr($email,strpos($email,'@')+1);
} else {
$mailbox=$email;
$host=$defaulthost;
}
$personal=trim($personal);
if (substr($personal,0,1) == '"') $personal=substr($personal,1);
if (substr($personal,strlen($personal)-1,1) == '"')
$personal=substr($personal,0,strlen($personal)-1);
$result["mailbox"]=trim($mailbox);
$result["host"]=trim($host);
if ($personal!="") $result["personal"]=$personal;
$complete[]=$result;
return ($complete);
}
/*
* Read the groupnames from groups.txt, and get additional informations
* of the groups from the newsserver
*/
function groups_read($server,$port,$load=0) {
global $gl_age,$file_groups,$spooldir,$config_name,$cache_index;
// is there a cached version, and is it actual enough?
$cachefile=$spooldir.'/'.$config_name.'-groups.dat';
// if cache is new enough, don't recreate it
clearstatcache(TRUE, $cachefile);
if($load == 1 && file_exists($cachefile) && (filemtime($cachefile)+$cache_index>time())) {
return;
}
if(file_exists($cachefile) && $load == 0) {
// cached file exists and is new enough, so lets read it out.
$file=fopen($cachefile,"r");
$data="";
while(!feof($file)) {
$data.=fgets($file,1000);
}
fclose($file);
$newsgroups=unserialize($data);
} else {
$ns=nntp_open($server,$port);
if ($ns == false) return false;
$gf=fopen($file_groups,"r");
// if we want to mark groups with new articles with colors, wie will later
// need the format of the overview
$overviewformat=thread_overview_read($ns);
while (!feof($gf)) {
$gruppe=new newsgroupType;
$tmp=trim(line_read($gf));
$tmp=preg_replace('/\t/', ' ', $tmp);
if(substr($tmp,0,1)==":") {
$gruppe->text=substr($tmp,1);
$newsgroups[]=$gruppe;
} elseif(strlen(trim($tmp))>0) {
// is there a description in groups.txt?
$pos=strpos($tmp," ");
if ($pos != false) {
// yes.
$gruppe->name=substr($tmp,0,$pos);
$desc=substr($tmp,$pos);
} else {
// no, get it from the newsserver.
$gruppe->name=$tmp;
fputs($ns,"XGTITLE $gruppe->name\r\n");
$response=line_read($ns);
if (strcmp(substr($response,0,3),"282") == 0) {
$neu=line_read($ns);
do {
$response=$neu;
if ($neu != ".") $neu=line_read($ns);
} while ($neu != ".");
$desc=strrchr($response,"\t");
if (strcmp($response,".") == 0) {
$desc="-";
}
} else {
$desc="";
}
if (strcmp(substr($response,0,3),"500") == 0)
$desc="-";
}
if (strcmp($desc,"") == 0) $desc="-";
$gruppe->description=$desc;
fputs($ns,"GROUP ".$gruppe->name."\r\n");
$t=explode(" ",line_read($ns));
//RETRO
if($t[0]=="211")
$gruppe->count=$t[1];
else {
nntp_close($ns);
$ns=nntp_open($server,$port);
if ($ns == false) return false;
fputs($ns,"GROUP ".$gruppe->name."\r\n");
$t=explode(" ",line_read($ns));
if($t[0]=="211")
$gruppe->count=$t[1];
else
continue;
}
// mark group with new articles with colors
if($gl_age) {
fputs($ns,'XOVER '.$t[3]."\r\n");
$tmp=explode(" ",line_read($ns));
if($tmp[0]=="224") {
$tmp=line_read($ns);
if($tmp!=".") {
$head=thread_overview_interpret($tmp,$overviewformat,$gruppe->name);
$tmp=line_read($ns);
$gruppe->age=$head->date;
}
}
}
if ((strcmp(trim($gruppe->name),"") != 0) &&
(substr($gruppe->name,0,1) != "#"))
$newsgroups[]=$gruppe;
}
}
fclose($gf);
nntp_close($ns);
// write the data to the cachefile
$file=fopen($cachefile,"w");
fputs($file,serialize($newsgroups));
fclose($file);
}
if ($load == 0) {
return $newsgroups;
} else {
return;
}
}
function groups_show($gruppen) {
global $gl_age,$frame,$spooldir,$CONFIG,$spoolnews;
if ($gruppen == false) return;
global $file_thread,$text_groups;
$c = count($gruppen);
$acttype="keins";
echo '<table class="np_groups_table" cellspacing="0"><tr class="np_thread_head"><td width="45px" class="np_thread_head">';
echo 'Latest</td><td style="text-align: center;">Newsgroup</td><td width="8%" class="np_thread_head">Messages</td><td width="20%" class="np_thread_head" >Last Message</td></tr>';
for($i = 0 ; $i < $c ; $i++) {
$g = $gruppen[$i];
if(isset($g->text)) {
if($acttype!="text") {
$acttype="text";
}
} else {
if($acttype!="group") {
$acttype="group";
}
/* Display group name and description */
$lineclass="np_thread_line".(($i%2)+1);
echo '<tr class="'.$lineclass.'"><td style="text-align: center;" class="'.$lineclass.'">';
echo '<a href="overboard.php?thisgroup='._rawurlencode($g->name).'">';
if(is_file("../common/mods/images/latest.png")) {
echo '<img src="../common/mods/images/latest.png">';
} else {
echo '<img src="../common/images/latest.png">';
}
echo '</a>';
echo '</td>';
echo '<td class="'.$lineclass.'">';
echo '<span class="np_group_line_text">';
echo '<a ';
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
$regexp_replace=array(
'http://((\.*([-a-z0-9_/~@?=%#;+]|&amp;)+)+)' =>
'<a'.$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($userFileHandle);
}
}
}
if(trim($username) == strtolower($CONFIG['anonusername']) && $CONFIG['anonuser'] != true) {
return FALSE;
}
if ($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,$spooldir;
global $CONFIG;
$spamfile = tempnam($spooldir, '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 {
$return = '<a href="search.php?command=search&searchpoint=Poster&terms='.$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, $datetime2);
if(!$interval) {
return '(date error)';
}
$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 $variance;
}
function get_search_snippet($body, $content_type) {
$body = quoted_printable_decode($body);
$mysnippet = recode_charset($body, $content_type, "utf8");
if($bodyend=strrpos($mysnippet, "\n---\n")) {
$mysnippet = substr($mysnippet, 0, $bodyend);
} else {
if($bodyend=strrpos($mysnippet, "\n-- ")) {
$mysnippet = substr($mysnippet, 0, $bodyend);
} else {
if($bodyend=strrpos($mysnippet, "\n.")) {
$mysnippet = substr($mysnippet, 0, $bodyend);
}
}
}
$mysnippet = preg_replace('/\n.{0,5}>(.*)/', '', $mysnippet);
$snipstart = strpos($mysnippet, ":\n");
if(substr_count(trim(substr($mysnippet, 0, $snipstart)), "\n") < 2) {
$mysnippet = substr($mysnippet, $snipstart + 1);
} else {
$mysnippet = substr($mysnippet, 0);
}
return $mysnippet;
}
function rslight_db_open($database, $table='overview') {
try {
$dbh = new PDO('sqlite:'.$database);
} catch (PDOExeption $e) {
echo 'Connection failed: '.$e->getMessage();
exit;
}
$dbh->exec("CREATE TABLE IF NOT EXISTS overview(
id INTEGER PRIMARY KEY,
newsgroup TEXT,
number TEXT,
msgid TEXT,
date TEXT,
name TEXT,
subject TEXT,
unique (newsgroup, msgid))");
$stmt = $dbh->query('CREATE INDEX IF NOT EXISTS id_date on overview(date)');
$stmt->execute();
$stmt = $dbh->query('CREATE INDEX IF NOT EXISTS id_newsgroup on overview(newsgroup)');
$stmt->execute();
$stmt = $dbh->query('CREATE INDEX IF NOT EXISTS id_newsgroup_number on overview(newsgroup,number)');
$stmt->execute();
$stmt = $dbh->query('CREATE INDEX IF NOT EXISTS id_name on overview(name)');
$stmt->execute();
return($dbh);
}
function article_db_open($database) {
try {
$dbh = new PDO('sqlite:'.$database);
} catch (PDOExeption $e) {
echo 'Connection failed: '.$e->getMessage();
exit;
}
$dbh->exec("CREATE TABLE IF NOT EXISTS articles(
id INTEGER PRIMARY KEY,
newsgroup TEXT,
number TEXT UNIQUE,
msgid TEXT UNIQUE,
date TEXT,
name TEXT,
subject TEXT,
search_snippet TEXT,
article TEXT)");
$stmt = $dbh->query('CREATE INDEX IF NOT EXISTS db_number on articles(number)');
$stmt->execute();
$dbh->exec("CREATE VIRTUAL TABLE IF NOT EXISTS search_fts USING fts5(
newsgroup,
number,
msgid,
date,
name,
subject,
search_snippet)");
$dbh->exec("CREATE TRIGGER IF NOT EXISTS after_articles_insert AFTER INSERT ON articles BEGIN
INSERT INTO search_fts(newsgroup, number, msgid, date, name, subject, search_snippet) VALUES(new.newsgroup, new.number, new.msgid, new.date, new.name, new.subject, new.search_snippet);
END;");
$dbh->exec("CREATE TRIGGER IF NOT EXISTS after_articles_delete AFTER DELETE ON articles BEGIN
DELETE FROM search_fts WHERE msgid = old.msgid;
END;");
return($dbh);
}
function np_get_db_article($article, $group, $makearray=1, $dbh=null) {
global $config_dir,$path,$groupconfig,$config_name,$logdir,$spooldir;
$logfile=$logdir.'/newsportal.log';
$msg2="";
$closeme = 0;
$database = $spooldir.'/'.$group.'-articles.db3';
if(!$dbh) {
$dbh = article_db_open($database);
$closeme = 1;
}
$ok_article = 0;
// By Message-ID
if(!is_numeric($article)) {
$stmt = $dbh->prepare("SELECT * FROM articles WHERE msgid like :terms");
$stmt->bindParam(':terms', $article);
$stmt->execute();
while($found = $stmt->fetch()) {
$msg2 = $found['article'];
$ok_article = 1;
break;
}
} else {
$stmt = $dbh->prepare("SELECT * FROM articles WHERE number = :terms");
$stmt->bindParam(':terms', $article);
$stmt->execute();
while($found = $stmt->fetch()) {
$msg2 = $found['article'];
$ok_article = 1;
break;
}
}
if($closeme == 1) {
$dbh = null;
}
if($ok_article !== 1) {
file_put_contents($logfile, "\n".format_log_date()." ".$config_name." DEBUG: ".$article." from ".$group." not found in database", FILE_APPEND);
return FALSE;
}
file_put_contents($logfile, "\n".format_log_date()." ".$config_name." DEBUG: fetched: ".$article." from ".$group, FILE_APPEND);
if($makearray == 1) {
$thisarticle = preg_split("/\r\n|\n|\r/", trim($msg2));
array_pop($thisarticle);
return $thisarticle;
} else {
return trim($msg2);
}
}
function get_config_value($configfile,$request) {
global $config_dir;
if ($configFileHandle = @fopen($config_dir.'/'.$configfile, 'r'))
{
while (!feof($configFileHandle))
{
$buffer = fgets($configFileHandle);
if(strpos($buffer, $request.':') !== FALSE) {
$dataline=$buffer;
fclose($configFileHandle);
$datafound = explode(':',$dataline);
return $datafound[1];
}
}
fclose($configFileHandle);
return FALSE;
} else {
return FALSE;
}
}
?>