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<?php
class ConfigFileEx
{
// grep logging.log.fileName, no need from root tag, any distinctive point will do
public static function grepTagValue($filename, $tags)
{
$contents = file_get_contents($filename);
if (is_array($tags)) {
$values = [];
foreach ($tags as $tag) {
$values[$tag] = ConfigFileEx::grepSingleTagValue($tag, $contents);
}
return $values;
}
return ConfigFileEx::grepSingleTagValue($tags, $contents);
}
public static function grepSingleTagValue($tag, &$contents)
{
$singleTags = explode('.', $tag);
$cur_pos = 0;
$end_tag = '';
foreach ($singleTags as $singletag) {
$findtag = "<$singletag>";
$cur_pos = strpos($contents, $findtag, $cur_pos);
if ($cur_pos === false) {
break;
}
$cur_pos += strlen($findtag);
$end_tag = "</$singletag>";
}
if (!strlen($contents) || !strlen($end_tag)) {
$last_pos = false;
} else {
$last_pos = strpos($contents, $end_tag, $cur_pos);
}
if ($last_pos !== false) {
return substr($contents, $cur_pos, $last_pos - $cur_pos);
}
return null;
}
public static function loadHAVip($haconf)
{
if (!file_exists($haconf)) {
return null;
}
$contents = file_get_contents($haconf);
if ($contents === false) {
return null;
}
if (preg_match_all('/<vip>(.+)<\/vip>/', $contents, $res)) {
$r = $res[1];
$ips = [];
foreach ($r as $vips) {
$vipsl = preg_split("/[\s,]+/", trim($vips), -1, PREG_SPLIT_NO_EMPTY);
$ips = array_merge($ips, $vipsl);
}
$ips = array_unique($ips);
$finallist = [];
foreach ($ips as $ip) {
$finallist[$ip] = $ip;
}
return $finallist;
}
return null;
}
// other files
public static function &loadMime($filename)
{
$lines = file($filename);
if ($lines == false) {
return false;
}
$mime = [];
foreach ($lines as $line) {
$c = strpos($line, '=');
if ($c > 0) {
$suffix = trim(substr($line, 0, $c));
$type = trim(substr($line, $c + 1));
$mime[$suffix] = array('suffix' => new CVal($suffix),
'type' => new CVal($type));
}
}
ksort($mime, SORT_STRING);
reset($mime);
return $mime;
}
public static function saveMime($filename, &$mime)
{
$fd = fopen($filename, 'w');
if (!$fd) {
return false;
}
ksort($mime, SORT_STRING);
reset($mime);
foreach ($mime as $key => $entry) {
if (strlen($key) < 8) {
$key = substr($key . ' ', 0, 8);
}
$line = "$key = " . $entry['type']->GetVal() . "\n";
fputs($fd, $line);
}
fclose($fd);
return true;
}
public static function &loadUserDB($filename)
{
if (PathTool::isDenied($filename)) {
return false;
}
$lines = file($filename);
$udb = [];
if ($lines == false) {
error_log('failed to read from ' . $filename);
return $udb;
}
foreach ($lines as $line) {
$line = trim($line);
$parsed = explode(":", $line);
if (is_array($parsed)) {
$size = count($parsed);
if ($size != 2 && $size != 3) {
continue;
}
if (!strlen($parsed[0]) || !strlen($parsed[1])) {
continue;
}
$user = [];
if ($size >= 2) {
$user['name'] = new CVal(trim($parsed[0]));
$user['passwd'] = new CVal(trim($parsed[1]));
}
if ($size == 3 && strlen($parsed[2])) {
$user['group'] = new CVal(trim($parsed[2]));
}
$udb[$user['name']->GetVal()] = $user;
}
}
ksort($udb);
reset($udb);
return $udb;
}
public static function saveUserDB($filename, &$udb)
{
if (PathTool::isDenied($filename)) {
return false;
}
$fd = fopen($filename, 'w');
if (!$fd) {
return false;
}
ksort($udb);
reset($udb);
foreach ($udb as $name => $user) {
$line = $name . ':' . $user['passwd']->GetVal();
if (isset($user['group'])) {
$line .= ':' . $user['group']->GetVal();
}
fputs($fd, "$line\n");
}
fclose($fd);
return true;
}
public static function &loadGroupDB($filename)
{
if (PathTool::isDenied($filename)) {
return false;
}
$gdb = [];
$lines = file($filename);
if ($lines == false) {
return $gdb;
}
foreach ($lines as $line) {
$line = trim($line);
$parsed = explode(':', $line);
if (is_array($parsed) && count($parsed) == 2) {
$nameval = trim($parsed[0]);
$group = array(
'name' => new CVal($nameval),
'users' => new CVal(trim($parsed[1])));
$gdb[$nameval] = $group;
}
}
ksort($gdb);
reset($gdb);
return $gdb;
}
public static function saveGroupDB($filename, &$gdb)
{
if (PathTool::isDenied($filename)) {
return false;
}
$fd = fopen($filename, 'w');
if (!$fd) {
return false;
}
ksort($gdb);
reset($gdb);
foreach ($gdb as $name => $entry) {
$line = $name . ':' . $entry['users']->GetVal() . "\n";
fputs($fd, $line);
}
fclose($fd);
return true;
}
}