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<?php
/* OpenDb - Open Lending Database Project
Copyright (C) 2001,2002 by Jason Pell
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.
*/
/*
Secure the log directory via Web Server configuration. For
example, this is my Apache 1.3.x configuration for Opendb.
I have secured the /opendb/log virtual_location with the
second directive.
Alias /opendb /opt/opendb
<Location /opendb>
Options Indexes FollowSymLinks
order deny,allow
deny from all
allow from all
</Location>
<Location "/opendb/log/">
order deny,allow
deny from all
</Location>
*/
// This must be first - includes config.php
require_once("./include/begin.inc.php");
include_once("./include/language.php");
include_once("./include/theme.php");
include_once("./functions/function.php");
include_once("./functions/user.php");
include_once("./functions/datetime.php");
/**
Will attempt to explode old format $CONFIG_VARS['logging.file'], with the
following format:
Date -- Message [ip_address/hostname]
Note: This function has not been thoroughly tested! This is because
in most cases you should not need it. It is strongly suggested that
you clear out your $CONFIG_VARS['logging.file'] after upgrading from a version
prior to OpenDb 0.31!
*/
function explode_line($line)
{
$pos = strpos($line, "--");
if($pos!==FALSE){
$exploded[0] = trim(substr($line,0,$pos));
$pos2 = strrpos($line, "[");
// Found ip_address.
if($pos2!==FALSE)
{
$exploded[1] = trim(substr($line,$pos+2,$pos2-($pos+2)));//+2 = "--"
$pos3 = strrpos($line,"]");
if($pos3!==FALSE)
{
// Strip off hostname.
$exploded[2] = trim(substr($line,$pos2+1,$pos3-($pos2+1)));//+1 = "["
$pos = strpos($exploded[2],"/");
if($pos!==FALSE)
$exploded[2] = trim(substr($exploded[2],0,$pos));
}
}
}
// If not processed, this will evaluate to FALSE!
return $exploded;
}
//---------------------------------------------------
// Highlight the log buffer with the specified colors/keywords
// NOTE: Potential problem with windows servers since "\r\n" is not taken into account ??
function highlight($buffer, $keyword, $type, $fg, $bg)
{
// make sure we actually have something to do
if($buffer==NULL || $keyword==NULL || ($fg==NULL && $bg==NULL))
{
return $buffer;
}
// setup css style to match requested display
$style = "font-weight:bold;";
if($fg) $style=$style."color:".$fg."; ";
if($bg) $style=$style."background-color:".$bg."; ";
// underline, bold, and color matching word
if($type=="word")
{
$style = "text-decoration:underline;".$style;
$buffer = preg_replace("/(".$keyword.")/i", "<font style=\"".$style."\">\\1</font>", $buffer);
}
// bold and color line containing matching word
if($type=="line")
{
$startline_token = "^|\n";
$endline_token = "]|$";
$buffer = preg_replace("/(".$startline_token.")(.*?)(".$keyword.")(.*?)(".$endline_token.")/i", "\\1<font style=\"".$style."\">\\2\\3\\4\\5</font>", $buffer);
}
return $buffer;
}
//---------------------------------------------------
// Create a option-drop box with color choices
function generate_colorbox($name, $option)
{
// So we can access the language values.
global $LANG_VARS;
echo( "<select name=\"$name\">\n" );
$found=false;
for( $ix=0; $ix < count($LANG_VARS['colors']); $ix++ )
{
// Select the requested choice
if($option==$LANG_VARS['colors'][$ix][1])
{
$selected=" selected";
$found=true;
}
else
$selected="";
echo( "<option value=\"".$LANG_VARS['colors'][$ix][1]."\"".$selected.">".$LANG_VARS['colors'][$ix][0]."\n");
}
// Was our requested color even an option?
if($found==false)
echo( "<option value=\"".$option."\" selected>Other: ".$option."\n");
echo( "</select>\n" );
}
//---------------------------------------------------
session_start();
if (is_opendb_valid_session())
{
if (is_user_admin($HTTP_SESSION_VARS['user_id'], $HTTP_SESSION_VARS['user_type'])) // Only admin allowed
{
// Not much point continuing if no logfile.
if(strlen($CONFIG_VARS['logging.file'])>0)
{
if(is_readable($CONFIG_VARS['logging.file']))
{
if(isset($HTTP_VARS['doDownload'])) // user wants to download usagelog
{
$filename = basename($CONFIG_VARS['logging.file']);
header("Cache-control: no-store");
header("Pragma: no-store");
header("Expires: 0");
header("Content-disposition: attachment; filename=$filename");
header("Content-type: application/octetstream");
$fp = fopen($CONFIG_VARS['logging.file'], "r");
fpassthru($fp);
//no theme here!
return;
}
else
{
if(!isset($HTTP_VARS['doList'])) // setup our default log behavior in here
{
$HTTP_VARS['items_count'] = 10; // define some default keywords to highlight
$HTTP_VARS['doListMode'] = "highlight";
$HTTP_VARS['bg'][0] = "#FF69B4";
$HTTP_VARS['type'][0] = "line";
$HTTP_VARS['keyword'][0]= "fail";
$HTTP_VARS['fg'][1] = "#8A2BE2";
$HTTP_VARS['type'][1] = "line";
$HTTP_VARS['keyword'][1]= "log";
$HTTP_VARS['fg'][2] = "#008080";
$HTTP_VARS['type'][2] = "line";
$HTTP_VARS['keyword'][2]= "visit";
$HTTP_VARS['fg'][3] = "#FF8C00";
$HTTP_VARS['type'][3] = "line";
$HTTP_VARS['keyword'][3]= "updated";
$HTTP_VARS['fg'][4] = "#0000FF";
$HTTP_VARS['type'][4] = "line";
$HTTP_VARS['keyword'][4]= "inserted";
$HTTP_VARS['fg'][5] = "#FF0000";
$HTTP_VARS['type'][5] = "line";
$HTTP_VARS['keyword'][5]= "deleted";
$HTTP_VARS['fg'][6] = "#A52A2A";
$HTTP_VARS['type'][6] = "line";
$HTTP_VARS['keyword'][6]= "email";
$HTTP_VARS['bg'][7] = "#FFFF00";
$HTTP_VARS['type'][7] = "word";
$HTTP_VARS['keyword'][7]= $HTTP_SESSION_VARS['user_id'];
}
echo _theme_header($LANG_VARS['view_log_file']);
// always show menu options
echo("<h2>".$LANG_VARS['log_file_options']."</h2>");
echo("<form action=\"$PHP_SELF\" method=\"post\">\n" );
echo("<input type=\"submit\" name=\"doList\" value=\"".$LANG_VARS['list_usagelog']."\">\n" );
echo("<input type=\"submit\" name=\"doHighlight\" value=\"".$LANG_VARS['highlight_usagelog']."\">\n" );
echo("<input type=\"submit\" name=\"doClearConfirm\" value=\"".$LANG_VARS['clear_usagelog']."\">\n" );
echo("<input type=\"submit\" name=\"doBackupCopy\" value=\"".$LANG_VARS['backup_usagelog']."\">\n" );
echo("<input type=\"submit\" name=\"doDownload\" value=\"".$LANG_VARS['download_usagelog']."\">\n" );
echo("<input type=\"hidden\" name=\"op\" value=\"menu_option\">\n" );
// encode the default or current highlight settings too
echo("<input type=\"hidden\" name=\"items_count\" value=\"".$HTTP_VARS['items_count']."\">\n" );
for($ix=0; $ix<$HTTP_VARS['items_count']; $ix++)
{
if($HTTP_VARS['keyword'][$ix])
echo( "<input type=\"hidden\" name=\"keyword[$ix]\" value=\"".$HTTP_VARS['keyword'][$ix]."\">\n" );
if($HTTP_VARS['type'][$ix])
echo( "<input type=\"hidden\" name=\"type[$ix]\" value=\"".$HTTP_VARS['type'][$ix]."\">\n" );
if($HTTP_VARS['fg'][$ix])
echo( "<input type=\"hidden\" name=\"fg[$ix]\" value=\"".$HTTP_VARS['fg'][$ix]."\">\n" );
if($HTTP_VARS['bg'][$ix])
echo( "<input type=\"hidden\" name=\"bg[$ix]\" value=\"".$HTTP_VARS['bg'][$ix]."\">\n" );
}
echo( "</form>\n" );
if(isset($HTTP_VARS['doClearConfirm'])) // confirm with user to delete log
{
echo("<h3>".$LANG_VARS['clear_usagelog'].":</h3>\n");
echo("<div class=\"colortext\">".$LANG_VARS['clear_log_warning']."</div>");
echo( "<br><div class=\"error\">".$LANG_VARS['are_you_sure']."</div>\n" );
echo( "<form action=\"$PHP_SELF\" method=\"post\">\n" );
echo( "<input type=\"submit\" name=\"doDelete\" value=\" ".$LANG_VARS['yes']." \">\n" );
echo( "<input type=\"submit\" name=\"doNothing\" value=\" ".$LANG_VARS['no']." \">\n" );
echo( "</form>\n" );
}
else if(isset($HTTP_VARS['doDelete'])) // delete log file
{
echo("<h3>".$LANG_VARS['clear_usagelog'].":</h3>\n");
$result = @unlink($CONFIG_VARS['logging.file']);
if($result)
{
opendb_log("Usage log cleared (update_who=".$HTTP_SESSION_VARS['user_id'].")");
echo( "<div class=\"success\">".$LANG_VARS['log_cleared']."</div>\n" );
}
else
{
opendb_log("Failed to clear usage log (update_who=".$HTTP_SESSION_VARS['user_id'].")");
echo( "<div class=\"error\">".$LANG_VARS['log_not_cleared']."</div>\n" );
}
}
else if(isset($HTTP_VARS['doBackupCopy'])) // get filename to copy log to
{
echo( "<h3>".$LANG_VARS['backup_usagelog'].":</h3>\n" );
echo( "<form action=\"$PHP_SELF\" method=\"post\">\n" );
echo( "<div class=\"colortext\">".$LANG_VARS['enter_backup_filename'].":</div>\n" );
if(strlen($CONFIG_VARS['logging.backup_ext_date_format'])>0)
$dayVal = get_localised_timestamp($CONFIG_VARS['logging.backup_ext_date_format']);
else
$dayVal = get_localised_timestamp('DDMMYY');
echo( "<input type=\"text\" name=\"filename\" value=\"".$CONFIG_VARS['logging.file'].".$dayVal\">\n" );
echo( "<input type=\"submit\" name=\"doCopy\" value=\"".$LANG_VARS['backup_usagelog']."\">\n" );
echo( "</form>\n" );
}
else if(isset($HTTP_VARS['doCopy'])) // copy log
{
echo( "<h3>".$LANG_VARS['backup_usagelog'].":</h3>\n" );
$result = @copy($CONFIG_VARS['logging.file'], $HTTP_VARS['filename']);
if($result)
{
opendb_log("Usage log backup (backup=".$HTTP_VARS['filename'].", update_who=".$HTTP_SESSION_VARS['user_id'].")");
echo( "<div class=\"success\">".replace_lang_var("filename", $HTTP_VARS['filename'], $LANG_VARS['backup_successful'])."</div>\n" );
}
else
{
opendb_log("Failed to backup usage log (backup=".$HTTP_VARS['filename'].", update_who=".$HTTP_SESSION_VARS['user_id'].")");
echo( "<div class=\"error\">".replace_lang_var("filename",$HTTP_VARS['filename'], $LANG_VARS['backup_unsuccessful'])."</div>\n" );
}
}
else
{
if(isset($HTTP_VARS['minusH']) || isset($HTTP_VARS['plusH'])) // add or remove highlight fields
{
$HTTP_VARS['doHighlight'] = "yes";
// calculate new number of fields to show
if($HTTP_VARS['minusH'] && $HTTP_VARS['items_count']>5 ) $HTTP_VARS['items_count'] -=5;
if($HTTP_VARS['plusH'] && $HTTP_VARS['items_count']<50) $HTTP_VARS['items_count'] +=5;
}
if(isset($HTTP_VARS['doHighlight'])) // Offer options for syntax highlighting
{
echo( "<h3>".$LANG_VARS['highlight_options'].":</h3>\n");
echo( "<form action=\"$PHP_SELF\" method=\"post\">\n" );
echo( "<table cellspacing=1 border=0 frameborder=0>\n" );
echo( "<tr>\n" );
echo( "<td class=\"navbar\"> </td>\n" );
echo( "<td class=\"navbar\"> ".$LANG_VARS['foreground']." </td>\n");
echo( "<td class=\"navbar\"> ".$LANG_VARS['background']." </td>\n");
echo( "<td class=\"navbar\"> ".$LANG_VARS['highlight_type']." </td>\n");
echo( "<td class=\"navbar\">".$LANG_VARS['keyword']."</td>\n");
echo( "</tr>\n" );
for( $ix=0; $ix<$HTTP_VARS['items_count']; $ix++ )
{
echo( "<tr class=\"top2\" align=\"center\">\n");
echo( "<td>".($ix+1)."</td>\n" );
echo( "<td>\n" );
generate_colorbox( "fg[$ix]", $HTTP_VARS['fg'][$ix]);
echo( "</td>\n" );
echo( "<td>\n" );
generate_colorbox( "bg[$ix]", $HTTP_VARS['bg'][$ix]);
echo( "</td>\n" );
echo( "<td>\n");
if($HTTP_VARS['type'][$ix] == "word") // default check is line
{
$line_check = "";
$word_check = "CHECKED";
}
else
{
$line_check = "CHECKED";
$word_check = "";
}
echo( "<input type=\"radio\" name=\"type[$ix]\" value=\"line\" $line_check> ".$LANG_VARS['line']."\n" );
echo( "<input type=\"radio\" name=\"type[$ix]\" value=\"word\" $word_check> ".$LANG_VARS['word']."\n" );
echo( "</td>\n");
echo( "<td><input type=\"text\" name=\"keyword[$ix]\" value=\"".$HTTP_VARS['keyword'][$ix]."\" size=\"20\"></td>" );
echo( "</tr>\n");
}
echo( "</table>\n" );
echo( "<input type=\"hidden\" name=\"items_count\" value=\"".$HTTP_VARS['items_count']."\">\n" );
echo( "<input type=\"hidden\" name=\"doListMode\" value=\"highlight\">\n" );
echo( "<input type=\"submit\" name=\"plusH\" value=\"(+) ".$LANG_VARS['more_highlight_fields']."\">" );
echo( "<input type=\"submit\" name=\"minusH\" value=\"(-) ".$LANG_VARS['less_highlight_fields']."\"><br>\n" );
echo( "<br><input type=\"submit\" name=\"doList\" value=\"".$LANG_VARS['apply_to_usagelog']."\">\n" );
echo( "</form>\n" );
}//if($doHighlight)
else
{
$HTTP_VARS['doList'] = "true";
}
}
if(isset($HTTP_VARS['doList'])) // actual log listing
{
echo( "<h3>".$LANG_VARS['log_file'].":</h3>\n" );
// We have already checked whether this file is readable or not, so fopen should
// work fine.
$logfile = fopen($CONFIG_VARS['logging.file'], "r");
if($logfile)
{
// Might need this much time to display logfile
@set_time_limit(600);
echo("<table border=0 width=100% cellpadding=1 cellspacing=2>");
echo("<tr><td class=\"navbar\"> ".$LANG_VARS['date']." </td><td class=\"navbar\">".$LANG_VARS['details']."</td><td class=\"navbar\">".$LANG_VARS['user_ip']."</td></tr>");
while(!feof($logfile))
{
// Max line length of 4000 characters.
$line = trim(fgets($logfile, 4000));
// Format of a log entry: date\tmessage\tip_address
$tokens = explode("\t", $line);
// Check for old (Prior to 0.31) log file format.
if(count($tokens)!==3)
$tokens = explode_line($line);
// Ensure any special characters in message are dealt with.
$tokens[1] = htmlspecialchars($tokens[1]);
if($HTTP_VARS['doListMode'] == 'highlight')
{
if(function_exists("wordwrap"))
$tokens[1] = str_replace("\n", "<br>", wordwrap($tokens[1],80,"\n",1));
for( $ix=0; $ix<$HTTP_VARS['items_count']; $ix++ )
$tokens[1] = highlight($tokens[1], $HTTP_VARS['keyword'][$ix], $HTTP_VARS['type'][$ix], $HTTP_VARS['fg'][$ix], $HTTP_VARS['bg'][$ix]);
}
echo("\n<tr>\n\t<td align=center valign=top>" .$tokens[0]. "</td>\n\t<td>" .$tokens[1]."</td>\n\t<td align=center>" .$tokens[2]. "</td>\n</tr>");
}
fclose($logfile);
echo("</table>");
}
else//if($logfile)
{
// Should never heve happen, as we have already cheched if logfile 'is_readable'
echo("<div class=\"error\">".$lang_var['undefined_error']."</div>");
}
}
}
}
else //if(is_readable($CONFIG_VARS['logging.file']))
{
echo _theme_header($LANG_VARS['no_logfile_found']);
echo _theme_error($LANG_VARS['no_logfile_found']);
}
}
else//if(strlen($CONFIG_VARS['logging.file'])>0)
{
echo _theme_header($LANG_VARS['no_logfile_defined']);
echo _theme_error($LANG_VARS['no_logfile_defined']);
}
}//not an administrator!
else
{
echo _theme_header($LANG_VARS['not_authorized_to_page']);
echo _theme_error($LANG_VARS['not_authorized_to_page']);
}
echo _theme_footer();
}
else
{
include("./include/invalidsession.php");
}
// Cleanup after begin.inc.php
require_once("./include/end.inc.php");
?>
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