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preflight.inc.php
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preflight.inc.php
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<?php
// Pre-Flight check
$tests=array();
$errors=0;
if(strtolower(PHP_OS)=='linux'){
$tests['os']['state']="good";
$tests['os']['message']='OS Detected: '.PHP_OS;
}else{
$tests['os']['state']="fail";
$tests['os']['message']='OS Detected: '.PHP_OS.' We strongly recommend against running this on anything other than Linux.';
}
if (extension_loaded('mbstring')) {
$tests['mbstring']['state']="good";
$tests['mbstring']['message']='';
}else{
$tests['mbstring']['state']="fail";
$tests['mbstring']['message']='PHP is missing the <a href="http://php.net/mbstring">mbstring extension</a>';
$errors++;
}
if(extension_loaded('gettext')) {
$tests['gettext']['state']="good";
$tests['gettext']['message']='';
$path='./locale';
$dir=scandir($path);
$lang=array();
foreach($dir as $i => $d){
// get list of directories in locale that aren't . or ..
if(is_dir($path.DIRECTORY_SEPARATOR.$d) && $d!=".." && $d!="."){
// check the list of valid directories above to see if there is an openDCIM translation file present
if(file_exists($path.DIRECTORY_SEPARATOR.$d.DIRECTORY_SEPARATOR."LC_MESSAGES".DIRECTORY_SEPARATOR."openDCIM.mo")){
// build array of valid language choices
$lang[$d]=$d;
}
}
}
$locales=array();
foreach(explode("\n",trim(shell_exec('locale -a | grep -i utf'))) as $line){
$locales[]=substr($line, 0, strpos($line, '.'));
}
if(count($locales)>1){
$tests['gettext']['message'].="Locales detected: ";
foreach(array_intersect($locales,$lang) as $locale){
$tests['gettext']['message'].="$locale, ";
}
}else{
$tests['gettext']['state']="fail";
$tests['gettext']['message']='Gettext is detected but we cannot verify that you have the appropriate locales loaded and available. <a href="http://wiki.opendcim.org/wiki/index.php/Translation">http://wiki.opendcim.org/wiki/index.php/Translation</a>';
}
}else{
$tests['gettext']['state']="fail";
$tests['gettext']['message']='PHP is missing the <a href="http://php.net/manual/book.gettext.php">Gettext extension</a>. Please install it.';
}
if(extension_loaded('snmp')) {
$tests['snmp']['state']="good";
$tests['snmp']['message']='';
}else{
$tests['snmp']['state']="fail";
$tests['snmp']['message']='PHP is missing the <a href="http://php.net/manual/book.snmp.php">snmp extension</a>. Please install it.';
}
$tests['pdo']['message']='';
if (extension_loaded('PDO')) {
$tests['pdo']['state']="good";
if (count(PDO::getAvailableDrivers())>0) {
$tests['pdodrivers']['message']='Available drivers: '.implode(", ",PDO::getAvailableDrivers());
$tests['pdodrivers']['state']="good";
// pdo is loaded check for the db.inc
if(file_exists("db.inc.php")){
$tests['db.inc']['state']="good";
$tests['db.inc']['message']="db.inc.php has been detected and in the proper place";
require_once("db.inc.php");
// check for strict_trans_tables
if(strpos(@end($dbh->query("select @@global.sql_mode;")->fetch()),'STRICT_TRANS_TABLES') === false){
$tests['strictdb']['state']="good";
$tests['strictdb']['message']='';
}else{
$tests['strictdb']['state']="fail";
$tests['strictdb']['message']='openDCIM does not support STRICT_TRANS_TABLES. The following SQL statement might clear the error for this session. More information can be found <a href="https://github.com/samilliken/openDCIM/issues/457">here</a>.<br><br><i>SET GLOBAL sql_mode = "";</i>';
$errors++;
}
if(isset($pdo_options)){
$tests['utf8-db']['state']="good";
$tests['utf8-db']['message']='';
}else{
$tests['utf8-db']['state']="fail";
$tests['utf8-db']['message']='Please copy over db.inc.php-dist to db.inc.php. We found a problem with UTF8 support and MySQL that requires an additional parameter to work correctly.';
$errors++;
}
}else{
$tests['db.inc']['state']="fail";
$tests['db.inc']['message']="Please copy db.inc.php-dist to db.inc.php and edit appropriately";
$errors++;
}
}else{
$tests['pdodrivers']['message']='Available drivers: none';
$tests['pdodrivers']['state']="fail";
$errors++;
}
}else{
$tests['pdo']['state']="fail";
$tests['pdo']['message']='openDCIM requires the <a href="http://php.net/manual/pdo.installation.php">PDO extention</a> and you do not appear to have it loaded';
$tests['pdodrivers']['state']="fail";
$tests['pdodrivers']['message']='No PDO drivers have been detected';
$errors++;
}
// If AUTHENTICATION isn't defined then this asshole is upgrading to 4.0 and didn't add it into the db.inc.php
if(defined('AUTHENTICATION')){
$tests['authentication']['state']="good";
$tests['authentication']['message']="Authentication set to ".AUTHENTICATION;
if(AUTHENTICATION=="Apache"){
if(isset($_SERVER['REMOTE_USER'])){
$tests['Remote User']['state']="good";
$tests['Remote User']['message']='';
}else{
$tests['Remote User']['message']='<a href="http://httpd.apache.org/docs/2.2/howto/auth.html">http://httpd.apache.org/docs/2.2/howto/auth.html</a>';
}
}elseif(AUTHENTICATION=="Oauth"){
if(isset($_SESSION['userid'])){
$tests['Remote User']['state']="good";
$tests['Remote User']['message']='Authenticated as UserID='.$_SESSION['userid'];
}else{
$tests['Remote User']['message']='Click <a href="oauth/login.php">here</a> to authenticate via Oauth';
}
}elseif(AUTHENTICATION=="LDAP") {
if(isset($_SESSION['userid'])){
$tests['Remote User']['state']="good";
$tests['Remote User']['message']='Authenticated as UserID='.$_SESSION['userid'];
}else{
header("Location: ldap_bootstrap.php" );
}
}
// Try to not duplicate everything
if(!isset($tests['Remote User']['state'])){
$tests['Remote User']['state']="fail";
$errors++;
}
}else{
$tests['authentication']['state']="fail";
$tests['authentication']['message']=($tests['db.inc']['state']=="good")?"You didn't read the upgrade notes. Jerk. There is no AUTHENTICATION defined in db.inc.php":"How can you expect to work this if you can't even copy the db.inc.php into the right place?";
$errors++;
}
//Adding in some preliminary support for nginix
if(preg_match("/apache/i", $_SERVER['SERVER_SOFTWARE'])){
if(function_exists('apache_get_modules')){
if(in_array('mod_rewrite', apache_get_modules())){
$tests['mod_rewrite']['state']="good";
$tests['mod_rewrite']['message']='mod_rewrite detected';
$tests['api_test']['state']="fail";
$tests['api_test']['message']="Apache does not appear to be rewriting URLs correctly. Check your AllowOverride directive and change to 'AllowOverride All'";
}else{
$tests['mod_rewrite']['state']="fail";
$tests['mod_rewrite']['message']='Apache is missing the <a href="http://httpd.apache.org/docs/current/mod/mod_rewrite.html">mod_rewrite</a> module and it is required for the API to function correctly. Please install it.';
$errors++;
}
}else{ // if function apache_get_modules isn't present then php might be running as mod_cgi
$tests['mod_rewrite']['state']="good";
$tests['mod_rewrite']['message']='PHP is running as modcgi and cannot be detected, assuming present';
$tests['api_test']['state']="fail";
$tests['api_test']['message']="Apache does not appear to be rewriting URLs correctly. Check your AllowOverride directive and change to 'AllowOverride All'";
}
}elseif(preg_match("/nginx/i", $_SERVER['SERVER_SOFTWARE'])){
$tests['mod_rewrite']['state']="good";
$tests['mod_rewrite']['message']="nginx doesn't support mod_rewrite. You must manually create rewrite rules, like these.<pre>
location ~ ^/opendcim/api/v1 {
rewrite ^(.*) /opendcim/api/v1/index.php last;
}
location ~ ^/opendcim/api/test {
rewrite ^(.*) /opendcim/api/test/index.php last;
}</pre>";
$tests['api_test']['state']="fail";
$tests['api_test']['message']="Apache does not appear to be rewriting URLs correctly. Check your AllowOverride directive and change to 'AllowOverride All'";
}else{
$tests['web_server']['state']="fail";
$tests['web_server']['message']="Did not detect a supported web server. Server Detected: <b> {$_SERVER['SERVER_SOFTWARE']}</b>";
$errors++;
}
if (function_exists('json_encode')) {
$tests['json']['state']="good";
$tests['json']['message']='PHP json module detected';
}else{
$tests['json']['state']="fail";
$tests['json']['message']='PHP is missing the <a href="http://php.net/manual/book.json.php">JavaScript Object Notation (JSON) extension</a>. Please install it.';
$errors++;
}
if ($errors >0 || !isset($_GET['preflight-ok'])) {
echo '<!doctype html><html><head><title>openDCIM :: pre-flight environment sanity check</title><script type="text/javascript" src="scripts/jquery.min.js"></script><style type="text/css">table{width:80%;border-collapse:collapse;border:3px solid black;}th{text-align:left;text-transform:uppercase;border-right: 1px solid black;}th,td{padding:5px;}tr:nth-child(even){background-color:#d1e1f1;}td:last-child{text-align:center;text-transform:uppercase;border:2px solid;background-color:green;}.fail td:last-child{font-weight: bold;background-color: red;}.hide{display: none;}</style></head><body><h2>Pre-flight environment checks</h2><table>';
foreach($tests as $test => $text){
$hide=($test=='api_test')?' class="hide"':'';
print "<tr id=\"$test\"$hide><th>$test</th><td>{$text['message']}</td><td>{$text['state']}</td></tr>";
}
echo '<tr><th>javascript</th><td>Javascript is used heavily for data validation and a more polished user experience.</td><td><script>document.write("good");document.getElementById("api_test").className=document.getElementById("api_test").className.replace(/\bhide\b/,"");</script><noscript>fail</noscript></td></tr>
</table>
<p>If you see any errors on this page then you must correct them before the installer can continue. <span id="continue" class="hide">If the installer does not auto-continue,<a href="?preflight-ok"> click here</a><br><br>Please wait a few minutes before attempting to continue if a conversion is going on you might get unpredictable results by clicking</span></p>
<span id="errors" class="hide">'.$errors.'</span>
<script type="text/javascript">
(function() {
var rows=document.getElementsByTagName("tr");
for(var row in rows){
var cells=rows[row].childNodes;
if(typeof cells!="undefined"){
if(cells[cells.length-1].textContent=="fail"){
rows[row].className=rows[row].className + " fail";
}
}
}
var xmlhttp=new XMLHttpRequest();
xmlhttp.open("GET","api/test/test",false);
xmlhttp.send();
if(xmlhttp.status==200){
var response=JSON.parse(xmlhttp.responseText);
if(!response.error){
var row=document.getElementById("api_test");
row.className="";
row.childNodes[1].textContent="";
row.childNodes[2].textContent="GOOD";
// only attempt to auto forward if we are in the installer and there are no errors
if(parseInt(document.getElementById("errors").textContent)==0 && location.href.search("install")!=-1){
document.getElementById("continue").className=document.getElementById("continue").className.replace(/\bhide\b/,"");
location.href="?preflight-ok";
}
}
}
})();
</script>
</body></html>';
exit;
}