XOOPS /
XoopsCore25
| Conditions | 34 |
| Paths | > 20000 |
| Total Lines | 117 |
| Code Lines | 57 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 6 | function protector_prepare() |
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| 7 | { |
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| 8 | // check the access is from install/index.php |
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| 9 | if (defined('_INSTALL_CHARSET') && !is_writable(XOOPS_ROOT_PATH . '/mainfile.php')) { |
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| 10 | die('To use installer, remove protector\'s lines from mainfile.php first.'); |
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| 11 | } |
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| 12 | |||
| 13 | // Protector class |
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| 14 | require_once dirname(__DIR__) . '/class/protector.php'; |
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| 15 | |||
| 16 | // Protector object |
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| 17 | $protector = Protector::getInstance(); |
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| 18 | $conf = $protector->getConf(); |
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| 19 | |||
| 20 | // phar wrapper deserialization |
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| 21 | array_walk_recursive($_GET, 'protector_phar_check'); |
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| 22 | array_walk_recursive($_POST, 'protector_phar_check'); |
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| 23 | |||
| 24 | // bandwidth limitation |
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| 25 | if (isset($conf['bwlimit_count']) && $conf['bwlimit_count'] >= 10) { |
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| 26 | $bwexpire = $protector->get_bwlimit(); |
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| 27 | if ($bwexpire > time()) { |
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| 28 | header('HTTP/1.0 503 Service unavailable'); |
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| 29 | $protector->call_filter('precommon_bwlimit', 'This website is very busy now. Please try later.'); |
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| 30 | } |
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| 31 | } |
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| 32 | |||
| 33 | // bad_ips |
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| 34 | $bad_ips = $protector->get_bad_ips(true); |
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| 35 | $bad_ip_match = $protector->ip_match($bad_ips); |
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| 36 | if ($bad_ip_match) { |
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| 37 | $protector->call_filter('precommon_badip', 'You are registered as BAD_IP by Protector.'); |
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| 38 | } |
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| 39 | |||
| 40 | // global enabled or disabled |
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| 41 | if (!empty($conf['global_disabled'])) { |
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| 42 | return true; |
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| 43 | } |
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| 44 | |||
| 45 | // reliable ips |
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| 46 | if (isset($conf['reliable_ips'])) { |
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| 47 | $reliable_ips = unserialize($conf['reliable_ips'], ['allowed_classes' => false]); |
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| 48 | } else { |
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| 49 | $reliable_ips = []; |
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| 50 | } |
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| 51 | |||
| 52 | // for the environment of (buggy core version && magic_quotes_gpc) |
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| 53 | if (!is_array($reliable_ips) && isset($conf['reliable_ips'])) { |
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| 54 | $reliable_ips = unserialize(stripslashes($conf['reliable_ips']), ['allowed_classes' => false]); |
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| 55 | if (!is_array($reliable_ips)) { |
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| 56 | $reliable_ips = []; |
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| 57 | } |
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| 58 | } |
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| 59 | $is_reliable = false; |
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| 60 | foreach ($reliable_ips as $reliable_ip) { |
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| 61 | if (!empty($reliable_ip) && preg_match('/' . $reliable_ip . '/', $_SERVER['REMOTE_ADDR'])) { |
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| 62 | $is_reliable = true; |
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| 63 | } |
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| 64 | } |
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| 65 | |||
| 66 | // "DB Layer Trapper" |
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| 67 | $force_override = (strstr($_SERVER['REQUEST_URI'], 'protector/admin/index.php?page=advisory') !== false) ? true : false; |
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| 68 | |||
| 69 | // $force_override = true ; |
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| 70 | if ($force_override || !empty($conf['enable_dblayertrap'])) { |
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| 71 | @define('PROTECTOR_ENABLED_ANTI_SQL_INJECTION', 1); |
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| 72 | $protector->dblayertrap_init($force_override); |
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| 73 | } |
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| 74 | |||
| 75 | // "Big Umbrella" subset version |
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| 76 | if (!empty($conf['enable_bigumbrella'])) { |
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| 77 | @define('PROTECTOR_ENABLED_ANTI_XSS', 1); |
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| 78 | $protector->bigumbrella_init(); |
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| 79 | } |
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| 80 | |||
| 81 | // force intval variables whose name is *id |
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| 82 | if (!empty($conf['id_forceintval'])) { |
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| 83 | $protector->intval_allrequestsendid(); |
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| 84 | } |
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| 85 | |||
| 86 | // eliminate '..' from requests looks like file specifications |
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| 87 | if (!$is_reliable && !empty($conf['file_dotdot'])) { |
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| 88 | $protector->eliminate_dotdot(); |
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| 89 | } |
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| 90 | |||
| 91 | // Check uploaded files |
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| 92 | if (!$is_reliable && !empty($_FILES) && !empty($conf['die_badext']) && !defined('PROTECTOR_SKIP_FILESCHECKER') && !$protector->check_uploaded_files()) { |
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| 93 | $protector->output_log($protector->last_error_type); |
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| 94 | $protector->purge(); |
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| 95 | } |
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| 96 | |||
| 97 | // Variables contamination |
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| 98 | if (!$protector->check_contami_systemglobals()) { |
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| 99 | if (isset($conf['contami_action']) && ($conf['contami_action'] & 4)) { |
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| 100 | if ($conf['contami_action'] & 8) { |
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| 101 | $protector->_should_be_banned = true; |
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| 102 | } else { |
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| 103 | $protector->_should_be_banned_time0 = true; |
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| 104 | } |
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| 105 | $_GET = $_POST = []; |
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| 106 | } |
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| 107 | |||
| 108 | $protector->output_log($protector->last_error_type); |
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| 109 | if (isset($conf['contami_action']) && ($conf['contami_action'] & 2)) { |
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| 110 | $protector->purge(); |
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| 111 | } |
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| 112 | } |
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| 113 | |||
| 114 | // prepare for DoS |
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| 115 | //if ( ! $protector->check_dos_attack_prepare() ) { |
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| 116 | // $protector->output_log( $protector->last_error_type , 0 , true ) ; |
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| 117 | //} |
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| 118 | |||
| 119 | if (!empty($conf['disable_features'])) { |
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| 120 | $protector->disable_features(); |
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| 121 | } |
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| 122 | return null; |
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| 123 | } |
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| 143 |
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In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.