<?php
/*
* PIMPED APACHE-STATUS
* FUNCTIONS (included by ./inc_config.php)
*
*/
// ----------------------------------------------------------------------
// FUNKTIONEN
// ----------------------------------------------------------------------
/**
* get new querystring - create the new querystring by existing query string
* of current request and given new parameters
* @param array $aQueryParams
* @return string
*/
function getNewQs($aQueryParams = array()) {
$s = false;
$aDelParams = array("doinstall");
if ($_GET) {
$aDefaults = $_GET;
foreach ($aDelParams as $sParam) {
if (array_key_exists($sParam, $aDefaults)) {
unset($aDefaults[$sParam]);
}
}
$aQueryParams = array_merge($aDefaults, $aQueryParams);
}
foreach ($aQueryParams as $var => $value) {
if ($value)
$s .= "&" . $var . "=" . urlencode($value);
}
$s = "?" . $s;
return $s;
}
/**
* follow a given url by checking http header data and follow locations
* @param string $url url to follow
* @return string
*/
function httpFollowUrl($sUrl) {
$sReturn = $sUrl;
$sData = httpGet($sUrl, 1);
preg_match('/Location:\ (.*)/', $sData, $aTmp);
if (count($aTmp)) {
$sNextUrl = trim($aTmp[1]);
if ($sNextUrl && $sNextUrl !== $sUrl) {
$sReturn = httpFollowUrl($sNextUrl);
}
}
return $sReturn;
}
/**
* make an http get request and return the response body
* @param string $url url to fetch
* @param boolean $bHeaderOnly send header only
* @return string
*/
function httpGet($url, $bHeaderOnly = false) {
global $oLog;
$ch = curl_init($url);
$oLog->add(__FUNCTION__ . "($url, $bHeaderOnly) - START");
if ($bHeaderOnly) {
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
} else {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_USERAGENT, 'pimped apache status');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$res = curl_exec($ch);
curl_close($ch);
$oLog->add(__FUNCTION__ . "($url, $bHeaderOnly) - done.");
return ($res);
}
/**
* check authentication if a user and password were configured
* @global array $aCfg config from ./config/config_user.json
* @return boolean
*/
function checkAuth() {
global $aCfg;
global $aLangTxt;
// echo '<pre>'.print_r($aCfg, 1).'</pre>'; die();
if (
!$aCfg['auth'] || !array_key_exists('user', $aCfg['auth']) || !array_key_exists('password', $aCfg['auth'])
|| ($aCfg['auth']['user'] == 'admin' && !$aCfg['auth']['password'] )
) {
return true;
}
if (
array_key_exists('PHP_AUTH_USER', $_SERVER) && array_key_exists('PHP_AUTH_PW', $_SERVER) && $aCfg['auth']['user'] == $_SERVER['PHP_AUTH_USER'] && $aCfg['auth']['password'] == md5($_SERVER['PHP_AUTH_PW'])
) {
return true;
}
header('WWW-Authenticate: Basic realm="Pimped Apache Status"');
header('HTTP/1.0 401 Unauthorized');
die($aLangTxt["authAccessDenied"]);
}
/**
* search temp directory using tmpdir in config. if false then use system
* temp dir
* @param bool $bForce force check and ignore ttl
* @return type
*/
function getTempdir(){
global $aCfg;
global $oLog;
$oLog->add(__FUNCTION__ . '() start');
$sTmpDir=(isset($aCfg['tmpdir']) && $aCfg['tmpdir']) ? $aCfg['tmpdir'] : sys_get_temp_dir();
if($sTmpDir && !($sTmpDir[0]==='/' || $sTmpDir[1]===':')){
$sTmpDir=__DIR__ . '/' . $sTmpDir;
}
if(!is_writable($sTmpDir)){
echo 'WARNING: directory is not writable: '.$sTmpDir.' - check write access or set a new value for "tmpdir"<br>';
$oLog->add(__FUNCTION__ . '() - directory is not writable: '.$sTmpDir.' - check write access or set a new value for tmpdir', 'error');
}
$oLog->add(__FUNCTION__ . '() - set temp dir '.$sTmpDir);
return $sTmpDir;
}
/**
* check for an update of the product
* @param bool $bForce force check and ignore ttl
* @return type
*/
function checkUpdate($bForce = false) {
global $aLangTxt;
global $aEnv;
global $aCfg;
global $oLog;
$iTtl = (int) $aCfg["checkupdate"];
// if the user does not want an update check then respect it
if (!$iTtl && !$bForce) {
$oLog->add(__FUNCTION__ . ": is disabled");
return '<a href="' . $aEnv['links']['update']['updater']['url'] . '"'
. ' target="./admin/' . $aEnv['links']['update']['updater']['target'] . '&skin=' . $aEnv['active']['skin'] . '&lang=' . $aEnv['active']['lang'] . '"'
. ' class="button"'
. '>' . $aLangTxt['versionManualCheck'] . '</a>';
// return false;
}
$sUrlCheck = str_replace(" ", "%20", $aEnv['links']['update']['check']['url']);
$sTarget = getTempdir() . '/checkupdate_' . md5($sUrlCheck) . '.tmp';
$bExec = true;
if (file_exists($sTarget)) {
$bExec = false;
$aStat = stat($sTarget);
$iAge = time() - $aStat[9];
if ($iAge > $iTtl) {
$bExec = true;
}
$oLog->add(__FUNCTION__ . " last exec: " . $iAge . " s ago - timer is $iTtl");
} else {
$oLog->add(__FUNCTION__ . " last exec: never (touchfile was not found)");
}
if ($bForce) {
$bExec = true;
$oLog->add(__FUNCTION__ . " last exec: override: force parameter was found");
}
if ($bExec) {
$oLog->add(__FUNCTION__ . " fetching $sUrlCheck ...");
$sResult = httpGet($sUrlCheck);
if (!$sResult) {
$sResult = ' <span class="version-updateerror">' . $aLangTxt['versionError'] . '</span>';
$oLog->add(__FUNCTION__ . " unable to check version.");
} else {
$oLog->add(__FUNCTION__ . " <pre>$sResult</pre>");
if (!file_put_contents($sTarget, $sResult)){
$oLog->add(__FUNCTION__ . " unable to write file [$sTarget]", "error");
}
}
} else {
$oLog->add(__FUNCTION__ . " reading cache $sTarget ...");
$sResult = file_get_contents($sTarget);
}
$sVersion = str_replace("UPDATE: v", "", str_replace(" is available", "", $sResult));
if (strpos($sResult, "UPDATE") === 0) {
$sUrl = getNewQs()
. '&lang=' . $aEnv['active']['lang']
. '&skin=' . $aEnv['active']['skin']
. '&action=update'
;
$sResult = ' <span class="version-updateavailable" title="' . $sResult . '">'
. '<a href="' . $sUrl . '">'
. sprintf($aLangTxt['versionUpdateAvailable'], $sVersion)
. '</a>'
. '</span>';
} else if (strpos($sResult, "OK") === 0) {
$sResult = ' <span class="version-uptodate" title="' . $sResult . '">'
. $aLangTxt['versionUptodate']
. '</span>';
}
return '<div id="checkversion">' . $sResult . '</div>';
}
/**
* return a bool only: does exist a newer version or not?
* (used in views/update.php)
* @param string
* @return bool
*/
function hasNewVersion($sUpdateOut = '') {
$sResult = $sUpdateOut ? $sUpdateOut : checkUpdate(true);
// echo htmlentities($sResult);
return (strpos($sResult, "UPDATE") > 0 ? true : false);
}
function getHtmlHead($aLangTxt) {
global $aEnv;
require_once(__DIR__ . '/classes/cdnorlocal.class.php');
$sVendorUrl=(strpos($_SERVER['REQUEST_URI'], '/admin/') ? '.' : '') . './vendor/';
$oCdn = new axelhahn\cdnorlocal(array(
'vendordir'=>__DIR__ . '/vendor',
'vendorurl'=>$sVendorUrl,
'debug'=>0
));
$aLangJs = array();
foreach ($aLangTxt as $sKey => $sVal) {
if (strpos($sKey, 'js::') === 0) {
$aLangJs[str_replace('js::', '', $sKey)] = $sVal;
}
}
$oCdn->setLibs($aEnv['vendor']);
/*
echo '<!-- ';
print_r($oCdn->getLibs());
// echo $oCdn->getLibVersion('jquery');
echo $oCdn->getLibRelpath('jquery');
echo '--> ';
*/
$sHeader = '<script>var aLang=' . json_encode($aLangJs) . ';</script>' . "\n"
// jQuery
. '<script src="' . $oCdn->getFullUrl($oCdn->getLibRelpath('jquery')."/jquery.min.js") . '"></script>' . "\n"
// datatbles
. '<script src="' . $oCdn->getFullUrl($oCdn->getLibRelpath('datatables')."/js/jquery.dataTables.min.js") . '"></script>' . "\n"
. '<link rel="stylesheet" href="' . $oCdn->getFullUrl($oCdn->getLibRelpath('datatables')."/css/jquery.dataTables.min.css") . '">' . "\n"
// Admin LTE
. '<script src="' . $oCdn->getFullUrl($oCdn->getLibRelpath('admin-lte')."/js/adminlte.min.js") . '" type="text/javascript"></script>' . "\n"
. '<link rel="stylesheet" href="' . $oCdn->getFullUrl($oCdn->getLibRelpath('admin-lte')."/css/AdminLTE.min.css") . '">' . "\n"
. '<link rel="stylesheet" href="' . $oCdn->getFullUrl($oCdn->getLibRelpath('admin-lte')."/css/skins/_all-skins.min.css") . '">' . "\n"
// Bootstrap
. '<link href="' . $oCdn->getFullUrl($oCdn->getLibRelpath('twitter-bootstrap').'/css/bootstrap.min.css') . '" rel="stylesheet">'
. '<link href="' . $oCdn->getFullUrl($oCdn->getLibRelpath('twitter-bootstrap').'/css/bootstrap-theme.min.css') . '" rel="stylesheet">'
. '<script src="' . $oCdn->getFullUrl($oCdn->getLibRelpath('twitter-bootstrap').'/js/bootstrap.min.js') . '" type="text/javascript"></script>'
// Font awesome
. '<link href="' . $oCdn->getFullUrl('font-awesome/4.7.0/css/font-awesome.min.css') . '" rel="stylesheet">'
// Morris
. '<script src="' . $oCdn->getFullUrl("raphael/2.2.7/raphael.min.js") . '"></script>' . "\n"
. '<script src="' . $oCdn->getFullUrl("morris.js/0.5.1/morris.min.js") . '"></script>' . "\n"
// Knob
. '<script src="' . $oCdn->getFullUrl("jQuery-Knob/1.2.13/jquery.knob.min.js") . '"></script>' . "\n"
;
return $sHeader;
}
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