checker.php
128 lines
| 1 | <?php |
| 2 | |
| 3 | // Namespace |
| 4 | namespace BMI\Plugin\Checker; |
| 5 | |
| 6 | // Use |
| 7 | use BMI\Plugin\BMI_Logger AS Logger; |
| 8 | use BMI\Plugin\Progress\BMI_ZipProgress AS Progress; |
| 9 | use BMI\Plugin\Backup_Migration_Plugin as BMP; |
| 10 | |
| 11 | // Exit on direct access |
| 12 | if (!defined('ABSPATH')) exit; |
| 13 | |
| 14 | /** |
| 15 | * BMI_Checker |
| 16 | */ |
| 17 | class BMI_Checker { |
| 18 | |
| 19 | public $issues = array(); |
| 20 | public $progress; |
| 21 | |
| 22 | function __construct($progress = false) { |
| 23 | |
| 24 | $this->progress = $progress; |
| 25 | |
| 26 | } |
| 27 | |
| 28 | public function logs($log, $status = 'INFO') { |
| 29 | |
| 30 | if ($this->progress) { |
| 31 | $this->progress->log($log, $status); |
| 32 | } |
| 33 | |
| 34 | } |
| 35 | |
| 36 | public function is_enabled($func) { |
| 37 | |
| 38 | $disabled = explode(',', ini_get('disable_functions')); |
| 39 | $isDisabled = in_array($func, $disabled); |
| 40 | if (!$isDisabled && function_exists($func)) return true; |
| 41 | else return false; |
| 42 | |
| 43 | } |
| 44 | |
| 45 | public function check_free_space($size, $hideRequire = false) { |
| 46 | |
| 47 | if (!$hideRequire) { |
| 48 | $this->logs(__('Requires at least ', 'backup-backup') . $size . __(' bytes.', 'backup-backup') . ' [' . BMP::humanSize($size) . ']'); |
| 49 | } |
| 50 | |
| 51 | $maxTime = 60; |
| 52 | if ($this->is_enabled('get_ini')) { |
| 53 | $maxTime = @ini_get('max_execution_time'); |
| 54 | if ($this->is_enabled('ini_set')) @ini_set('max_execution_time', '259200'); |
| 55 | } |
| 56 | |
| 57 | $shouldUseDiskFreeSpaceIfAvailable = false; |
| 58 | |
| 59 | // If free disk space is larger lower than 50 GBs |
| 60 | // OR { |
| 61 | // If there is low execution time use space check, as the other may take too much time |
| 62 | // If size of the backup is larger than 3 GBs (as it may be to slow to check) |
| 63 | // } |
| 64 | if ($this->is_enabled('disk_free_space') && (disk_free_space(BMI_BACKUPS) < 1024*1024*1024*50 || ($size > 1024*1024*1024*3 && $maxTime <= 60))) |
| 65 | $shouldUseDiskFreeSpaceIfAvailable = true; |
| 66 | |
| 67 | if ($this->is_enabled('disk_free_space') && intval(disk_free_space(BMI_BACKUPS)) > 100 && $shouldUseDiskFreeSpaceIfAvailable) { |
| 68 | |
| 69 | $this->logs(__('Disk free space function is not disabled - using it...', 'backup-backup')); |
| 70 | $this->logs(__('Checking this path/partition: ', 'backup-backup') . BMI_BACKUPS); |
| 71 | $free = intval(disk_free_space(BMI_BACKUPS)); |
| 72 | $this->logs(__('There is ', 'backup-backup') . number_format($free / 1024 / 1024, 2) . __(' MB free.', 'backup-backup') . ' [' . BMP::humanSize($free) . ']', 'SUCCESS'); |
| 73 | if ($free > $size) { |
| 74 | $this->logs(__('Great! We have enough space.', 'backup-backup'), 'SUCCESS'); |
| 75 | return true; |
| 76 | } else { |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | } else { |
| 81 | |
| 82 | // Log |
| 83 | $this->logs(__('Disk free space function is disabled by hosting.', 'backup-backup')); |
| 84 | $this->logs(__('Using dummy file to check free space (it can take some time).', 'backup-backup')); |
| 85 | |
| 86 | // TMP Filename |
| 87 | $file = BMI_BACKUPS . '/' . '.space_check'; |
| 88 | try { |
| 89 | |
| 90 | // 2 GB = (1024 * 1024 * 1024 * 2) |
| 91 | $total = $size; |
| 92 | |
| 93 | $fh = fopen($file, 'w'); |
| 94 | $chunk = 1024; |
| 95 | while ($size > 0) { |
| 96 | fputs($fh, str_pad('', min($chunk, $size))); |
| 97 | $size -= $chunk; |
| 98 | } |
| 99 | fclose($fh); |
| 100 | |
| 101 | $fs = filesize($file); |
| 102 | @unlink($file); |
| 103 | |
| 104 | if ($fs > ($total - 100)) return true; |
| 105 | else return false; |
| 106 | |
| 107 | } catch (\Exception $e) { |
| 108 | |
| 109 | Logger::error($e); |
| 110 | if (file_exists($file)) unlink($file); |
| 111 | |
| 112 | return false; |
| 113 | |
| 114 | } catch (\Throwable $e) { |
| 115 | |
| 116 | Logger::error($e); |
| 117 | if (file_exists($file)) unlink($file); |
| 118 | |
| 119 | return false; |
| 120 | |
| 121 | } |
| 122 | |
| 123 | } |
| 124 | |
| 125 | } |
| 126 | |
| 127 | } |
| 128 |