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<?php
/*
input.php - input modul
Copyright (C) 2001 Achim Winkler <achim@lkcc.org>
This 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, or (at your option)
any later version.
This software 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 package; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
class CInput extends CTools {
function CInput($emotion = "no") {
$this->CTools($emotion);
}
function Flood_Check() {
global $HTTP_SERVER_VARS;
$i = 0;
while (file_exists("temp/ip.lck")) {
if ((filemtime("temp/ip.lck") + 300) < time()) unlink("temp/ip.lck");
usleep(500000);
$i++;
if ($i > 9) die("ip.tmp is locked! Please try it later again!");
}
$lock = fopen("temp/ip.lck", "w") or die();
fclose($lock);
$write = true;
if (!file_exists("temp/ip.log")) {
# create a new ip datafile
$logfile = fopen("temp/ip.log", "w") or die();
fputs($logfile, rtrim($HTTP_SERVER_VARS['REMOTE_ADDR'])."\r\n");
fputs($logfile, rtrim(time()));
fclose($logfile);
} else {
$logfile = fopen("temp/ip.log", "r") or die();
# read the ip data into an array
$data = array();
while (!feof($logfile)) {
$ip = trim(fgets($logfile, 1024));
$time = trim(fgets($logfile, 1024));
# remove old ip's
if ((time() - $this->floodwait) < $time) {
$dummy = array("$ip" => "$time");
$data = array_merge($data, $dummy);
}
}
fclose($logfile);
# is the actual ip in the list and not to old?
$position = 0;
while (list($ip, $time) = each($data)) {
if ($HTTP_SERVER_VARS['REMOTE_ADDR'] == $ip && (time() - $this->floodwait) < $time) {
$write = false;
$dummy = array_slice($data, 0, $position); # array_splice does not work!
$data = array_slice($data, $position + 1);
$data = array_merge($data, $dummy);
}
$position++;
}
# save the ip's into a file
$logfile = fopen("temp/ip.log", "w") or die();
reset($data);
while (list($ip, $time) = each($data)) {
fputs($logfile, rtrim($ip)."\r\n");
fputs($logfile, rtrim($time)."\r\n");
}
# write the actual used ip too
fputs($logfile, rtrim($HTTP_SERVER_VARS['REMOTE_ADDR'])."\r\n");
fputs($logfile, rtrim(time()));
fclose($logfile);
}
unlink("temp/ip.lck");
if ($write) return(true);
else return(false);
}
function IP_Check() {
global $HTTP_SERVER_VARS;
# read ip filter data into an array
if (file_exists($this->datapath."/ipfilter.dat") && filesize($this->datapath."/ipfilter.dat") == 0) return(true);
if (file_exists($this->datapath."/ipfilter.dat")) $ipfilter = file($this->datapath."/ipfilter.dat") or die ("Can't open ipfilter.dat for reading!");
# ip filterfunction
$different = false;
while (list($linenumber, $ip) = each($ipfilter)) {
$ip = trim($ip);
$ip = explode(".", $ip);
$remoteip = explode(".", $HTTP_SERVER_VARS['REMOTE_ADDR']);
for ($i = 0; $i < count($ip); $i++) {
$ip[$i] = str_pad($ip[$i], 3, "0", STR_PAD_LEFT);
$remoteip[$i] = str_pad($remoteip[$i], 3, "0", STR_PAD_LEFT);
// check for '*'
if ($ip[$i] == '*') $ip[$i] = $remoteip[$i];
// check for '?'
while (is_integer($pos = strpos($ip[$i], '?')) && $pos >= 0) {
$ip[$i] = substr_replace($ip[$i], " ", $pos, 1);
$remoteip[$i] = substr_replace($remoteip[$i], " ", $pos, 1);
}
// is the ip different in any case?
if ($ip[$i] != $remoteip[$i]) $different = true;
}
}
// should the ip filtered out?
if (!$different) return(false);
else return(true);
}
function Write_Data(&$newname, &$newmail, &$newicq, &$newaim, &$newyim, &$newmsn, &$newloc, &$newurl, &$newtext, &$random) {
global $HTTP_SERVER_VARS, $lang;
if ($this->IP_Check() && $this->Flood_Check()) {
if ($this->dateformat > 0) {
$newdate = strftime("%m.%d.%Y %H:%M", time() + ($this->fixedtime * 3600));
} else {
$newdate = strftime("%d.%m.%Y %H:%M", time() + ($this->fixedtime * 3600));
}
#tempfile available? (preview)
if ($random != -1) {
if (file_exists("temp/temp".$random.".dat")) {
$input = fopen("temp/temp".$random.".dat", "r");
$newname = rtrim(fgets($input, 1024));
$newmail = rtrim(fgets($input, 1024));
$newicq = rtrim(fgets($input, 1024));
$newaim = rtrim(fgets($input, 1024));
$newyim = rtrim(fgets($input, 1024));
$newmsn = rtrim(fgets($input, 1024));
$newloc = rtrim(fgets($input, 1024));
$newurl = rtrim(fgets($input, 1024));
$newtext = rtrim(fgets($input, 16384));
fclose($input);
unlink("temp/temp".$random.".dat");
} else {
if (isset($lang)) header ("Location: guestbook.php?act=show&lang=$lang");
else header ("Location: guestbook.php?act=show");
exit(0);
}
}
#mintext protection
if (strlen($newtext) <= $this->mintext) {
if (isset($lang)) header ("Location: guestbook.php?act=show&lang=$lang");
else header ("Location: guestbook.php?act=show");
exit(0);
}
$this->newname = $newname;
$this->newmail = $newmail;
$this->newicq = $newicq;
$this->newaim = $newaim;
$this->newyim = $newyim;
$this->newmsn = $newmsn;
$this->newloc = $newloc;
$this->newurl = $newurl;
$this->newtext = $newtext;
$this->Check_Empty();
$this->Format_String($newname, "name");
$this->Format_String($newmail, "mail");
$this->Format_String($newicq, "icq");
$this->Format_String($newaim, "aim");
$this->Format_String($newyim, "yim");
$this->Format_String($newmsn, "msn");
$this->Format_String($newloc, "loc");
$this->Format_String($newurl, "url");
$this->Format_String($newtext, "text");
#write data
$i = 0;
while (file_exists($this->datapath."/data.lck")) {
if ((filemtime($this->datapath."/data.lck") + 300) < time()) unlink($this->datapath."/data.lck");
usleep(500000);
$i++;
if ($i > 9) die ("Data.dat is locked! Please try it later again!");
}
$lock = fopen($this->datapath."/data.lck", "w") or die ("Can't create data.lck!");
fclose($lock);
$output = fopen($this->datapath."/data.dat", "a") or die ("The file data.dat is write protected!");
$i = 0;
while (file_exists($this->datapath."/index.lck")) {
if ((filemtime($this->datapath."/index.lck") + 300) < time()) unlink($this->datapath."/index.lck");
usleep(500000);
$i++;
if ($i > 9) die ("Index.dat is locked! Please try it later again!");
}
$lock = fopen($this->datapath."/index.lck", "w") or die ("Can't create index.lck!");
fclose($lock);
$output1 = fopen($this->datapath."/index.dat", "a") or die ("The file index.dat is write protected!");
fseek($output, 0, SEEK_END); #fix for windows?!?!
$position = (string)ftell($output);
fputs($output, rtrim("name=".$newname)."\r\n");
fputs($output, rtrim("mail=".$newmail)."\r\n");
fputs($output, rtrim("icq=".$newicq)."\r\n");
fputs($output, rtrim("aim=".$newaim)."\r\n");
fputs($output, rtrim("yim=".$newyim)."\r\n");
fputs($output, rtrim("msn=".$newmsn)."\r\n");
fputs($output, rtrim("loc=".$newloc)."\r\n");
fputs($output, rtrim("url=".$newurl)."\r\n");
fputs($output, rtrim("text=".$newtext)."\r\n");
fputs($output, rtrim("date=".$newdate)."\r\n");
if ($this->logip != 0) {
fputs($output, rtrim("ip=".$HTTP_SERVER_VARS['REMOTE_ADDR'])."\r\n");
} else {
fputs($output, rtrim("ip=")."\r\n");
}
for ($i = strlen($position); $i < $this->indexsize; $i++)
$dummy .= "0";
$position = $dummy.$position;
fputs($output1, $position);
fclose($output);
unlink($this->datapath."/data.lck");
fclose($output1);
unlink($this->datapath."/index.lck");
$entrynum = (filesize($this->datapath."/index.dat") / $this->indexsize);
$uri = substr($HTTP_SERVER_VARS['REQUEST_URI'], 0, strrpos($HTTP_SERVER_VARS['REQUEST_URI'], '/'));
if ($this->adminmail != "") {
mail("$this->adminmail", "New entry in your guestbook!", "name = $newname\nmail = $newmail\nicq = $newicq\naim = $newaim\nyim = $newyim\nmsn = $newmsn\nlocation = $newloc\nurl = $newurl\ntext = $newtext\ndate = $newdate\nip = ".$HTTP_SERVER_VARS['REMOTE_ADDR']."\nedit entry: http://".$HTTP_SERVER_VARS['SERVER_NAME'].":".$HTTP_SERVER_VARS['SERVER_PORT']."$uri/admin/admin.php?act=changeentry&entry=$entrynum&page=1\ndelete entry: http://".$HTTP_SERVER_VARS['SERVER_NAME'].":".$HTTP_SERVER_VARS['SERVER_PORT']."$uri/admin/admin.php?act=deleteentry&entry=$entrynum&page=1\n\nYour guestbook!");
}
if ($this->moderatormail != "") {
mail("$this->moderatormail", "New entry in your guestbook!", "name = $newname\nmail = $newmail\nicq = $newicq\naim = $newaim\nyim = $newyim\nmsn = $newmsn\nlocation = $newloc\nurl = $newurl\ntext = $newtext\ndate = $newdate\nip = ".$HTTP_SERVER_VARS['REMOTE_ADDR']."\nedit entry: http://".$HTTP_SERVER_VARS['SERVER_NAME'].":".$HTTP_SERVER_VARS['SERVER_PORT']."$uri/admin/admin.php?act=changeentry&entry=$entrynum&page=1\ndelete entry: http://".$HTTP_SERVER_VARS['SERVER_NAME'].":".$HTTP_SERVER_VARS['SERVER_PORT']."$uri/admin/admin.php?act=deleteentry&entry=$entrynum&page=1\n\nYour guestbook!");
}
} else {
#tempfile available? (preview)
if ($random != -1) {
if (file_exists("temp/temp".$random.".dat")) {
# delete the tempfile
unlink("temp/temp".$random.".dat");
}
}
}
}
}
?>
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