/**
* update_dolphin is a system function for Dolphin.php . You need to specify the function to print errors, if they happen. update_dolphin requires $_REQUEST['act'] to be set to 'upload-new' or 'download-new', and returns NEED_UPLOAD if it needs to show the upload form (it happens if it cannot download the archive from site). The upload form must contain an input field with name "files[]". If all is ok, returns TRUE, otherwise returns string, containing error description or special NEED_UPLOAD. You need to check for TRUE using === operator.
*
* @param string $print_err_func
* @return mixed
*/
function update_dolphin($print_err_func)
{
if(IS_DEVELOPER) return 'This operation is not permitted for you';
ini_set('display_errors', 'On');
/* disable attempts to download the archive with Dolphin.php by itself */
if(!CAN_SELFUPDATE) $_REQUEST['act'] = 'upload-new';
$tmp =get_tmp_dir();
if(!$tmp) return 'No suitable temp directory found';
$tmp = abs_path($tmp);
$root = abs_path(ROOT);
if(!$tmp || $tmp == $root || substr($tmp, 0, strlen($root)) == $root)
{
/* TODO: write normal answer if $tmp is ROOT or subdirectory of ROOT */
return 'Update is impossible. '.reason();
}
chdir($tmp);
if(empty($_FILES['files']) && $_REQUEST['act']!='download-new')
{
return NEED_UPLOAD;
}
if($_REQUEST['act']!='download-new') upload_files($tmp);
else
{
$build = file_get_contents(MASTER_SITE.'files/dolphin-build.txt');
$errtext = 'It seems that your server does not allow outgoing connections for PHP scripts, or '.MASTER_SITE.' is down. Try to upload archive with '.SNAME.' manually.';
if(!$build) return NEED_UPLOAD;
if(BUILD >= $build) return 'Your build is up-to-date';
$dolphin = file_get_contents(MASTER_SITE.'files/dolphin-current.zip');
if(!$dolphin) return NEED_UPLOAD;
if(!d_file_put_contents($tmp.'/dolphin-current.zip', $dolphin)) return 'Cannot write '.show_file($tmp.'/dolphin-current.zip','file').' ('.$tmp.'/dolphin-current.zip).'.reason();
}
$f = $tmp.'/dolphin-current.zip';
if(!file_exists($f)) return '<b>dolphin-current.zip</b> was not found';
d_copy(ROOT.'/config.php',$cfg_old=$tmp.'/dolphin_config.php');
require_once(ROOT.'/system/libs/pclzip.php');
umask(0);
/* note, that we check if extracting is possible _before_ deleting ROOT */
$e=new PclZip($f);
//echo '<!--';
//echo 'file: '.$f.'<br>';
// some hosters require PHP files and folders with PHP scripts to have special rights, so we need to
// save rights for some essensial files
$tochmod = array('','system','index.php','system/download.php','system/preview.php');
$rights = array();
foreach($tochmod as $v) $rights[ROOT.'/'.$v] = get_rights(ROOT.'/'.$v);
d_remove(ROOT);
//echo 'Removed ROOT.<br>';
d_mkdir(ROOT,777);
setwritable(ROOT);
//echo 'Created ROOT.<br>';
//echo 'ROOT is writable: '.(is_writable(ROOT) ? 'true' : 'false').'<br>';
chdir(ROOT);
//echo 'Changed directory to ROOT.<br>';
//echo '-->';
if(!$e->extract('.')) return '<b>dolphin-current.zip</b> could not be extracted. Upload the new version <b>via FTP</b>. Here are the contents of your <b>config.php</b>:<pre>'.htmlspecialchars(d_file_get_contents($cfg_old)).'</pre>';
foreach($rights as $k=>$v) d_chmod($k,$v);
if(!empty($_POST['save-login']) || $_REQUEST['act']=='download-new')
{
/* delete BUILD, VERSION and NAME from config.php, they are now in core.php for compatibilty */
$conf = d_file_get_contents($cfg_old);
$conf = preg_replace('/define\\(\'(BUILD|VERSION|NAME)\'.*\\)\\;/sU','',$conf);
d_file_put_contents(ROOT.'/config.php', $conf);
$core = d_file_get_contents(ROOT.'/system/core.php');
if(!$core)
{
$build = "undefined";
}else
{
preg_match("/define\\('BUILD'\\,([0-9]+)\\)/is", $core, $m);
$build = $m[1];
}
//echo '<!--Writing new information about build: '.$build.' and '.$version.'<br>-->';
}
d_unlink($f);
//echo '<!-- Deleting archive<br> -->';
if($build!='undefined' && $build > BUILD)
{
d_unlink($cfg_old);
return true;
}
return 'Update did not complete successfully. Please upload the new version <b>via FTP</b>. Here are the contents of your previous <b>config.php</b>:<pre>'.htmlspecialchars(d_file_get_contents($cfg_old)).'</pre>';
}
break;
case 'mkfile':
@$f = clean($_SESSION['DIR'].'/'.$_REQUEST['file']);
if(empty($_GET['apply']))
{
light_message('<form action="index.php?act=mkfile&apply=true" method="POST">
Enter the name of file you want to create:
<br><input type="text" name="file" value="NewFile"> <input type="submit" value="go">
</form>');
}else
{
$nomain=false;
if(!d_is_file($f) || !empty($_GET['confirm']))
{
if(d_file_put_contents($f,'')) light_message(show_file($f).' has been created successfully.');
else light_message('File could not be created.'.reason());
}else
{
light_message('File '.show_file($f).' already exists.
<br><br><a href="index.php?act=mkfile&file='.urlencode($_REQUEST['file']).'&apply=true&confirm=true">Click here to clear the file contents</a>');
}
}
break;
case 'mkdir':
@$f = clean($_SESSION['DIR'].'/'.$_REQUEST['file']);
if(empty($_GET['apply']))
{
light_message('<form action="index.php?act=mkdir&apply=true" method="POST">
Enter the name of directory you want to create:
<br><input type="text" name="file" value="NewFolder"> <input type="submit" value="go">
'dirs' => $_SESSION['DIRS'],
'files' => $_SESSION['FILES'],
'total' => show_size(false,true,$_SESSION['TOTAL_BYTES']),
'uids' => implode(', ', $_SESSION['UIDS']),
'gids' => implode(', ', $_SESSION['GIDS']),
'rights' => implode(', ', $_SESSION['RIGHTS']),
'mod' => d_get_rights($fz[0]),
'end' => $end,
'success' => $success,
'dir' => sizeof($fz) == 1 ? d_is_dir($fz[0]) : true,
);
break;
case 'save-file':
$f = clean(urldecode($_REQUEST['filename_encoded']));
if(!d_file_put_contents($f, $_REQUEST['content']))
{
echo 'Cannot edit file.'.reason();
$_RESULT = false;
}else $_RESULT = true;
break;
case 'exec':
session_write_close();
$_RESULT = exec_command($_REQUEST['cmd']);
break;
case 'get_rights':
$_RESULT = d_get_rights($f);
break;
case 'set_rights':
if(!$_REQUEST['recursive'])
{