bludit/bl-plugins/backup/plugin.php

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<?php
class pluginBackup extends Plugin {
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// Directories to backup
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private $directoriesToBackup = array(
PATH_PAGES,
PATH_DATABASES,
PATH_UPLOADS
);
// This variable define if the extension zip is loaded
private $zip = false;
public function init()
{
// Disable default form buttons (Save and Cancel)
$this->formButtons = false;
// Check for zip extension installed
$this->zip = extension_loaded('zip');
}
public function post()
{
if (isset($_POST['createBackup'])) {
return $this->createBackup();
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} elseif (isset($_POST['restoreBackup'])) {
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return $this->restoreBackup($_POST['restoreBackup']);
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} elseif (isset($_POST['deleteBackup'])) {
return $this->deleteBackup($_POST['deleteBackup']);
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}
return true;
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}
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public function adminSidebar()
{
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global $login;
if ($login->role() === 'admin') {
$backups = $this->backupList();
return '<a class="nav-link" href="'.HTML_PATH_ADMIN_ROOT.'configure-plugin/'.$this->className().'">Backups <span class="badge badge-primary badge-pill">'.count($backups).'</span></a>';
} else {
return '';
}
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}
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public function form()
{
global $L;
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$backups = $this->backupList();
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$html = '';
if (empty($backups)) {
$html .= '<div class="alert alert-primary" role="alert">';
$html .= $L->get('There are no backups for the moment');
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$html .= '</div>';
}
$html .= '<div>';
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$html .= '<button name="createBackup" value="true" class="btn btn-primary" type="submit"><span class="fa fa-play-circle"></span> '.$L->get('create-backup').'</button>';
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$html .= '</div>';
$html .= '<hr>';
foreach ($backups as $backup) {
$filename = pathinfo($backup,PATHINFO_FILENAME);
$basename = pathinfo($backup,PATHINFO_BASENAME);
$html .= '<div>';
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$html .= '<h4 class="font-weight-normal">'.Date::format($filename, BACKUP_DATE_FORMAT, 'F j, Y, g:i a').'</h4>';
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// Allow download if a zip file
if ($this->zip) {
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$html .= '<a class="btn btn-outline-secondary btn-sm mr-1 mt-1" href="'.DOMAIN_BASE.'plugin-backup-download?file='.$filename.'.zip"><span class="fa fa-download"></span> '.$L->get('download').'</a>';
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}
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$html .= '<button name="restoreBackup" value="'.$filename.'" class="btn btn-outline-secondary btn-sm mr-1 mt-1" type="submit"><span class="fa fa-rotate-left"></span> '.$L->get('restore-backup').'</button>';
$html .= '<button name="deleteBackup" value="'.$filename.'" class="btn btn-outline-danger btn-sm mr-1 mt-1" type="submit"><span class="fa fa-trash"></span> '.$L->get('delete-backup').'</button>';
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$html .= '</div>';
$html .= '<hr>';
}
return $html;
}
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/**
* Downloading Backups is not allowed by default server config
* This webhook is to allow downloads for admins
* Webhook: plugin-backup-download?file={backup-name.zip}
*/
public function beforeAll()
{
global $L;
$webhook = 'plugin-backup-download';
if ($this->webhook($webhook)) {
if (!empty($_GET['file'])) {
$login = new Login();
if ($login->role() === 'admin') {
downloadRestrictedFile(PATH_WORKSPACES.'backup/'.$_GET['file']);
} else {
Alert::set($L->g('You do not have sufficient permissions'));
Redirect::page('dashboard');
}
}
exit(0);
}
}
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public function backupList()
{
if ($this->zip) {
$backups = Filesystem::listFiles($this->workspace(), '*', 'zip', true);
} else {
$backups = Filesystem::listDirectories($this->workspace(), '*', true);
}
return $backups;
}
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public function createBackup()
{
// Current backup directory
$currentDate = Date::current(BACKUP_DATE_FORMAT);
$backupDir = $this->workspace().$currentDate;
// Copy directories to backup directory
// $directoriesToBackup is a private variable of this class
foreach ($this->directoriesToBackup as $dir) {
$destination = $backupDir.DS.basename($dir);
Filesystem::copyRecursive($dir, $destination);
}
// Compress backup directory
if ($this->zip) {
if (Filesystem::zip($backupDir, $backupDir.'.zip')) {
Filesystem::deleteRecursive($backupDir);
}
}
return true;
}
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public function restoreBackup($filename)
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{
// Remove current files
foreach ($this->directoriesToBackup as $dir) {
Filesystem::deleteRecursive($dir);
}
// Recover backuped files
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// Zip format
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if ($this->zip) {
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$tmp = $this->workspace().$filename.'.zip';
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return Filesystem::unzip($tmp, PATH_CONTENT);
}
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// Directory format
$tmp = $this->workspace().$filename;
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return Filesystem::copyRecursive($tmp, PATH_CONTENT);
}
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public function deleteBackup($filename)
{
// Zip format
if ($this->zip) {
$tmp = $this->workspace().$filename.'.zip';
return Filesystem::rmfile($tmp);
}
// Directory format
$tmp = $this->workspace().$filename;
return Filesystem::deleteRecursive($tmp);
}
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}