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<?php // $Revision: 1.5 $
/************************************************************************/
/* phpAdsNew 2 */
/* =========== */
/* */
/* Copyright (c) 2001 by the phpAdsNew developers */
/* http://sourceforge.net/projects/phpadsnew */
/* */
/* 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. */
/************************************************************************/
$phpAds_settings_write_cache = array();
$phpAds_settings_update_cache = array();
$phpAds_configFilepath = phpAds_path.'/config.inc.php';
/*********************************************************/
/* Public: Determine if the config file is writable */
/*********************************************************/
function phpAds_isConfigWritable ()
{
global $phpAds_configFilepath;
return (@fclose(@fopen($phpAds_configFilepath, 'a')));
}
/*********************************************************/
/* Public: Edit a setting */
/*********************************************************/
function phpAds_SettingsWriteAdd($key, $value)
{
global $phpAds_settings_write_cache;
$phpAds_settings_write_cache[$key] = $value;
return true;
}
/*********************************************************/
/* Public: Store all edited settings */
/*********************************************************/
function phpAds_SettingsWriteFlush()
{
global $phpAds_config;
global $phpAds_settings_information, $phpAds_settings_write_cache;
$sql = array();
$config_inc = array();
while (list($k, $v) = each($phpAds_settings_write_cache))
{
$k_sql = $phpAds_settings_information[$k]['sql'];
$k_type = $phpAds_settings_information[$k]['type'];
if ($k_sql)
$sql[] = "$k = '$v'";
else
{
if ($k_type == 'boolean')
$v = $v == 't';
elseif ($k_type != 'array')
$v = stripslashes($v);
$config_inc[] = array($k,
$v,
$k_type);
}
}
if (count($sql))
{
$query = "UPDATE ".$phpAds_config['tbl_config']." SET ".join(", ", $sql);
$res = @phpAds_dbQuery($query);
if (@phpAds_dbAffectedRows() < 1)
{
$query = "INSERT INTO ".$phpAds_config['tbl_config']." SET ".join(", ", $sql);
@phpAds_dbQuery($query);
}
}
if (count($config_inc))
{
if (!phpAds_ConfigFilePrepare())
return false;
while(list(, $v) = each($config_inc))
phpAds_ConfigFileSet($v[0], $v[1], $v[2]);
return phpAds_ConfigFileFlush();
}
return true;
}
/*********************************************************/
/* Public: Clear the config file */
/*********************************************************/
function phpAds_ConfigFileClear ()
{
global $phpAds_configFilepath;
$config = @fopen($phpAds_configFilepath,'w');
$template = @fopen(phpAds_path.'/misc/config.template.php','r');
if ($config && $template)
{
// Write the contents of the template to the config file
@fwrite ($config, @fread($template, filesize(phpAds_path.'/misc/config.template.php')));
@fclose($template);
@fclose($config);
}
}
/*********************************************************/
/* Public: Import settings from the config file */
/*********************************************************/
function phpAds_ConfigFileUpdatePrepare ()
{
global $phpAds_configFilepath;
global $phpAds_settings_information, $phpAds_settings_update_cache;
global $phpAds_config;
if ($confighandle = @fopen($phpAds_configFilepath,'r'))
{
// Read old config file into buffer
$buffer = @fread($confighandle, filesize($phpAds_configFilepath));
@fclose ($confighandle);
// Determine config file format
if (ereg("phpAds_config\[", $buffer))
{
// Post configmanager
while (eregi("\n.phpAds_config\['([^']*)'\]([^;]*);", $buffer, $regs))
{
if (isset($phpAds_settings_information[$regs[1]]))
{
// Set variable name to lowercase
$regs[1] = strtolower($regs[1]);
// Remove 'From' header from admin_email_headers
if ($regs[1] == 'admin_email_headers')
$regs[2] = ereg_replace('From: .*\n', '', $regs[2]);
// Don't trust url prefix, because the update might
// occur in a different directory as the original installation
if ($regs[1] == 'url_prefix')
{
$regs[2] = ' = \''.strtolower(eregi_replace("^([a-z]+)/.*$", "\\1://",
$GLOBALS['SERVER_PROTOCOL'])).$GLOBALS['HTTP_HOST'].
ereg_replace("/admin/upgrade.php(\?.*)?$", "", $GLOBALS['REQUEST_URI']).'\'';
}
eval ("$"."value ".$regs[2].";");
settype ($value, $phpAds_settings_information[$regs[1]]['type']);
$phpAds_settings_update_cache[$regs[1]] = $value;
}
$buffer = str_replace ($regs[0], '', $buffer);
}
}
else
{
// Pre configmanager
while (eregi("\n.phpAds_([a-z0-9_]*)[^=]*([^;]*);", $buffer, $regs))
{
// Check for renamed settings
switch ($regs[1])
{
case 'hostname': $regs[1] = 'dbhost'; break;
case 'mysqluser': $regs[1] = 'dbuser'; break;
case 'pgsqluser': $regs[1] = 'dbuser'; break;
case 'mysqlpassword': $regs[1] = 'dbpassword'; break;
case 'pgsqlpassword': $regs[1] = 'dbpassword'; break;
case 'db': $regs[1] = 'dbname'; break;
case 'random_retrieve': $regs[1] = 'retrieval_method'; break;
}
// Set variable name to lowercase
$regs[1] = strtolower($regs[1]);
if (isset($phpAds_settings_information[$regs[1]]))
{
// Remove 'From' header from admin_email_headers
if ($regs[1] == 'admin_email_headers')
$regs[2] = ereg_replace('From: .*\n', '', $regs[2]);
// Empty name if left to default value
if ($regs[1] == 'name' && ereg("[\"'](phpPgAds|phpAdsNew)[\"']", $regs[2]))
$regs[2] = ' = ""';
// Don't trust url prefix, because the update might
// occur in a different directory as the original installation
if ($regs[1] == 'url_prefix')
{
$regs[2] = ' = \''.strtolower(eregi_replace("^([a-z]+)/.*$", "\\1://",
$GLOBALS['SERVER_PROTOCOL'])).$GLOBALS['HTTP_HOST'].
ereg_replace("/admin/upgrade.php(\?.*)?$", "", $GLOBALS['REQUEST_URI']).'\'';
}
// Parse variables inside assignments
while (ereg('\$phpAds_([a-zA-Z0-9_]+)', $regs[2], $varregs))
{
$regs[2] = str_replace($varregs[0],
isset($phpAds_settings_update_cache[$varregs[1]]) ?
$phpAds_settings_update_cache[$varregs[1]] :
'', $regs[2]);
}
eval ("$"."value ".$regs[2].";");
settype ($value, $phpAds_settings_information[$regs[1]]['type']);
$phpAds_settings_update_cache[$regs[1]] = $value;
}
$buffer = str_replace ($regs[0], '', $buffer);
}
}
// Check if we need to guess a table prefix for existing tables
if (!isset($phpAds_settings_update_cache['table_prefix']))
{
if (ereg("^(.*)clients$", $phpAds_settings_update_cache['tbl_clients'], $match))
{
// Overwrite default table prefix
$phpAds_settings_update_cache['table_prefix'] = $match[1];
}
else
{
// Not found (translated table name?)
// Create a random prefix
srand((double)microtime()*1000000);
$phpAds_settings_update_cache['table_prefix'] = sprintf('p%05d_', rand(0, 99999));
}
}
// Change names according to prefix for newly added tables
reset($phpAds_config);
while (list($k,) = each($phpAds_config))
{
if (substr($k, 0, 4) == 'tbl_')
{
if (!isset($phpAds_settings_update_cache[$k]))
{
$phpAds_settings_update_cache[$k] = $phpAds_settings_update_cache['table_prefix'].
substr($k, 4);
}
}
}
reset($phpAds_config);
return (true);
}
else
return (false);
}
function phpAds_ConfigFileUpdateFlush()
{
global $phpAds_settings_update_cache;
global $phpAds_settings_information;
for (reset($phpAds_settings_update_cache);
$key = key($phpAds_settings_update_cache);
next($phpAds_settings_update_cache))
{
switch ($phpAds_settings_information[$key]['type'])
{
case 'boolean': $value = $phpAds_settings_update_cache[$key] ? 't' : 'f'; break;
default: $value = $phpAds_settings_update_cache[$key]; break;
}
phpAds_SettingsWriteAdd ($key, $value);
}
// Before we start writing all the settings
// start with a clean config file to make
// sure we always have the latest version
phpAds_ConfigFileClear();
// Now write all the settings back to the
// clean config file
return phpAds_SettingsWriteFlush();
}
function phpAds_ConfigFileUpdateExport()
{
global $phpAds_config;
global $phpAds_settings_update_cache;
for (reset($phpAds_settings_update_cache);
$key = key($phpAds_settings_update_cache);
next($phpAds_settings_update_cache))
{
// Overwrite existing values
$phpAds_config[$key] = $phpAds_settings_update_cache[$key];
}
}
/*********************************************************/
/* Private: Read the config file and start editing */
/*********************************************************/
function phpAds_ConfigFilePrepare ()
{
global $phpAds_configBuffer, $phpAds_configFilepath;
if (phpAds_isConfigWritable ())
{
if ($confighandle = @fopen($phpAds_configFilepath,'r'))
{
$phpAds_configBuffer = @fread($confighandle, filesize($phpAds_configFilepath));
@fclose ($confighandle);
return (true);
}
else
return (false);
}
else
return (false);
}
/*********************************************************/
/* Private: Edit a setting */
/*********************************************************/
function phpAds_ConfigFileSet ($key, $value, $type)
{
global $phpAds_configBuffer;
// Prepare value
if ($type == 'array' && is_array($value))
{
reset ($value);
while (list ($akey, $aval) = each ($value))
{
if (is_string ($aval))
$value[$akey] = "'$aval'";
}
$value = "array (".implode (',', $value).")";
}
elseif ($type == 'string')
{
$value = "'$value'";
}
elseif ($type == 'boolean')
{
$value = ($value ? 'true' : 'false');
}
if (ereg(".phpAds_config\['".$key."'\][^=]*=[^;]*;", $phpAds_configBuffer, $regs))
{
$phpAds_configBuffer = str_replace ($regs[0], "\$phpAds_config['".$key."'] = ".$value.";", $phpAds_configBuffer);
}
}
/*********************************************************/
/* Private: Write edited config file */
/*********************************************************/
function phpAds_ConfigFileFlush ()
{
global $phpAds_configBuffer, $phpAds_configFilepath;
if ($phpAds_configBuffer != '')
{
if ($confighandle = @fopen($phpAds_configFilepath,'w'))
{
$result = @fwrite ($confighandle, $phpAds_configBuffer);
@fclose ($confighandle);
return $result;
}
else
return (false);
}
else
return (false);
}
?>
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