Hệ thống quản lý học tập trong Php

Updater.php
controllers /
application /
project /

1 <?php
2 if (!defined('BASEPATH'))
3     exit('No direct script access allowed');
4
5 /*
6 * @author : Creativeitem
7 * date : 7 October, 2018
8 * Academy
9 * http://codecanyon.net/user/Creativeitem
10 * http://support.creativeitem.com
11 */
12
13 class Updater extends CI_Controller
14 {
15
16
17     function __construct()
18     {
19         parent::__construct();
20         $this->load->database();
21         $this->load->library('session');
22
23         /*cache control*/
24         $this->output->set_header('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
25         $this->output->set_header('Pragma: no-cache');
26
27     }
28
29     /***default functin, redirects to login page if no admin logged in yet***/
30     public function index()
31     {
32         if ($this->session->userdata('admin_login') != 1)
33             redirect(site_url('login'), 'refresh');
34         if ($this->session->userdata('admin_login') == 1)
35             redirect(site_url('admin/dashboard'), 'refresh');
36     }
37
38     /***** UPDATE PRODUCT *****/
39
40     function update($task = '', $purchase_code = '')
41     {
42
43         if ($this->session->userdata('admin_login') != 1)
44             redirect(base_url(), 'refresh');
45
46         // Create update directory.
47         $dir = 'update';
48         if (!is_dir($dir))
49             mkdir($dir, 0777, true);
50
51         $zipped_file_name = $_FILES["file_name"]["name"];
52         $path = 'update/' . $zipped_file_name;
53
54         move_uploaded_file($_FILES["file_name"]["tmp_name"], $path);
55
56         // Unzip uploaded update file and remove zip file.
57         $zip = new ZipArchive;
58         $res = $zip->open($path);
59         if ($res === TRUE) {
60             $zip->extractTo('update');
61             $zip->close();
62             unlink($path);
63         }
64
65         $unzipped_file_name = substr($zipped_file_name, 0, -4);
66         $str = file_get_contents('./update/' . $unzipped_file_name . '/update_config.json');
67         $json = json_decode($str, true);
68
69
70         // Run php modifications
71         require './update/' . $unzipped_file_name . '/update_script.php';
72
73         // Create new directories.
74         if (!empty($json['directory'])) {
75             foreach ($json['directory'] as $directory) {
76                 if (!is_dir($directory['name']))
77                     mkdir($directory['name'], 0777, true);
78             }
79         }
80
81         // Create/Replace new files.
82         if (!empty($json['files'])) {
83             foreach ($json['files'] as $file)
84                 copy($file['root_directory'], $file['update_directory']);
85         }
86
87         $this->session->set_flashdata('flash_message', get_phrase('product_updated_successfully'));
88         redirect(site_url('admin/system_settings'));
89     }
90
91 }