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<?php function urlWhitelisted($url) { $always_allowed = array('localhost'); $whitelisted_domains = array_merge(array('somedomain.com'), $always_allowed); // partly snatched from https://gist.github.com/mjangda/1623788 $domain = parse_url($url, PHP_URL_HOST); if (strpos($url, "/") === 0 || in_array($domain, $whitelisted_domains)) { return true; } foreach ($whitelisted_domains as $whitelisted_domain) { $whitelisted_domain = '.' . $whitelisted_domain; if (strpos($domain, $whitelisted_domain) === (strlen($domain) - strlen($whitelisted_domain))) { return true; } } return false; } $domains = array('/user', 'localhost/user', 'http://localhost:4039', 'http://somedomain.com/user', 'http://google.com', 'google.com', 'somedomain.com.google.com'); foreach($domains as $domain) { var_dump(urlWhitelisted($domain)); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 bool(false) bool(true) bool(true) bool(false) Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 bool(false) Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/Ru2R8 on line 18 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ru2R8 on line 18 bool(false)
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
bool(true) bool(false) bool(true) bool(true) bool(false) bool(false) bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(true) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false) Notice: Use of undefined constant PHP_URL_HOST - assumed 'PHP_URL_HOST' in /in/Ru2R8 on line 10 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/Ru2R8 on line 10 bool(false)
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328.52 ms | 405 KiB | 453 Q