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| 1 | <?php |
| 2 | |
| 3 | /** Contains methods for validating user/group permissions. Every method of this class MUST be static and return a boolean value. */ |
| 4 | class AccessCondition { |
| 5 | |
| 6 | /** |
| 7 | * Unconditionally grant permission - use carefully! |
| 8 | */ |
| 9 | static function always(){ |
| 10 | return true; |
| 11 | |
| 12 | } |
| 13 | |
| 14 | // Check if the specified values are identical to one another (strict comparison). |
| 15 | static function equals($val1, $val2){ |
| 16 | return ($val1 === $val2); |
| 17 | } |
| 18 | |
| 19 | // Check if the specified values are numeric, and if so, if they are equal to each other. |
| 20 | static function equals_num($val1, $val2){ |
| 21 | if (!is_numeric($val1)) |
| 22 | return false; |
| 23 | if (!is_numeric($val2)) |
| 24 | return false; |
| 25 | |
| 26 | return ($val1 == $val2); |
| 27 | } |
| 28 | |
| 29 | // Check if all keys of the array $needle are present in the values of $haystack |
| 30 | static function subset_keys($needle, $haystack){ |
| 31 | return count($needle) == count(array_intersect(array_keys($needle), $haystack)); |
| 32 | } |
| 33 | |
| 34 | // Check if all values in the array $needle are present in the values of $haystack |
| 35 | static function subset($needle, $haystack){ |
| 36 | return count($needle) == count(array_intersect($needle, $haystack)); |
| 37 | } |
| 38 | |
| 39 | // Check if the specified value $needle is in the values of $haystack |
| 40 | static function in($needle, $haystack){ |
| 41 | return in_array($needle, $haystack); |
| 42 | } |
| 43 | |
| 44 | // Check if the specified user (by user_id) is in a particular group |
| 45 | static function in_group($user_id, $group_id){ |
| 46 | $user = \UserFrosting\UserLoader::fetch($user_id); |
| 47 | $groups = $user->getGroups(); |
| 48 | return isset($groups[$group_id]); |
| 49 | } |
| 50 | static function in_store($user_id, $store_id) { |
| 51 | $user = \UserFrosting\UserLoader::fetch($user_id); |
| 52 | $stores = $user->getStores(); |
| 53 | return in_array($store_id, $stores); |
| 54 | } |
| 55 | } |