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<?php |
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namespace FFCMS\Traits; |
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use FFMVC\Helpers; |
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/** |
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* Check for CSRF code (see counterpart CSRF code in app/app.php) |
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* and dns blacklist check |
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* |
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* If a config key called 'security.csrf' is true, will redirect the client |
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* to the supplied url (or homepage if not). The URL can be a full internal URL |
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* or an f3 url alias. |
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*/ |
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trait SecurityController |
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{ |
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/** |
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* Create an internal URL |
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* Uses method from |
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* @see \FFCMS\Helpers\UrlHelper |
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* @param string $url |
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* @param array $params |
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*/ |
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abstract public function url(string $url, array $params = []): string; |
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/** |
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* Check for CSRF token, reroute if failed, otherwise generate new csrf token |
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* Call this method from a controller method class to check and then set a new csrf token |
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* then include $f3-get('csrf') as a hidden type in your form to be submitted |
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* |
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* @param string $url if csrf check fails |
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* @param array $params for querystring |
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* @return boolean true/false if csrf enabled |
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*/ |
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public function csrf(string $url = '@index', array $params = []): bool |
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{ |
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$f3 = \Base::instance(); |
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if (empty($f3->get('security.csrf'))) { |
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return false; |
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} |
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// redirect user if it's not a POST request |
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if ('POST' !== $f3->get('VERB')) { |
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$f3->reroute($url); |
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} |
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$csrf = $f3->get('csrf'); |
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if ($csrf === false) { |
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$url = $this->url($url, $params); |
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$f3->reroute($url); |
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return; |
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} else { |
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$csrf = Helpers\Str::salted(Helpers\Str::random(16), Helpers\Str::random(16), Helpers\Str::random(16)); |
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$f3->set('csrf', $csrf); |
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$f3->set('SESSION.csrf', $csrf); |
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$f3->expire(0); |
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} |
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return true; |
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} |
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/** |
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* Check ip-address is blacklisted, halt, if-so |
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* |
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* @return bool |
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*/ |
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public function dnsbl(): bool |
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{ |
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$f3 = \Base::instance(); |
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$cache = \Cache::instance(); |
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$ip = $f3->get('IP'); |
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$f3->set('DNSBL', $f3->get('security.dnsbl')); |
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if (!$cache->exists($ip, $isBlacklisted)) { |
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$isBlacklisted = $f3->blacklisted($ip); |
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$cache->set($ip, $isBlacklisted, $f3->get('ttl.blacklist')); |
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} |
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if (false !== $isBlacklisted) { |
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printf(_("Your ip-address '%s' is blacklisted!"), $ip); |
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$f3->halt(); |
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} |
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return true; |
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} |
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} |
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vijinho /
f3-cms
