132 lines
3.1 KiB
PHP
132 lines
3.1 KiB
PHP
<?php
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// both of these are provided by illuminate/database already
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// but i feel like it makes sense to add these definitions regardless
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if (!function_exists('starts_with')) {
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function starts_with(string $string, string $text): bool
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{
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return substr($string, 0, strlen($text)) === $text;
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}
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}
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if (!function_exists('ends_with')) {
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function ends_with(string $string, string $text): bool
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{
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return substr($string, 0 - strlen($text)) === $text;
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}
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}
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function password_entropy(string $password): int
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{
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return count(count_chars(utf8_decode($password), 1)) * log(256, 2);
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}
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function check_mx_record(string $email): bool
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{
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$domain = substr(strstr($email, '@'), 1);
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return checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A');
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}
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function dechex_pad(int $value, int $padding = 2): string
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{
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return str_pad(dechex($value), $padding, '0', STR_PAD_LEFT);
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}
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function array_rand_value(array $array, $fallback = null)
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{
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if (!$array) {
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return $fallback;
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}
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return $array[array_rand($array)];
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}
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function has_flag(int $flags, int $flag): bool
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{
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return ($flags & $flag) > 0;
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}
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function byte_symbol($bytes, $decimal = false)
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{
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if ($bytes < 1) {
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return "0 B";
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}
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$divider = $decimal ? 1000 : 1024;
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$symbols = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
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$exp = floor(log($bytes) / log($divider));
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$bytes = $bytes / pow($divider, floor($exp));
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$symbol = $symbols[$exp];
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return sprintf("%.2f %s%sB", $bytes, $symbol, $symbol !== '' && !$decimal ? 'i' : '');
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}
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// this should be rewritten to only load the database once per Application instance.
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// for now this will do since the only time this function is called is once during registration.
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// also make sure an instance of Application with config exists before calling this!
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function get_country_code(string $ipAddr, string $fallback = 'XX'): string
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{
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try {
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$app = \Misuzu\Application::getInstance();
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if (!$app->hasModule('config')) {
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return $fallback;
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}
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$database_path = $app->config->get('GeoIP', 'database_path');
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if ($database_path === null) {
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return $fallback;
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}
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$geoip = new \GeoIp2\Database\Reader($database_path);
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$record = $geoip->country($ipAddr);
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return $record->country->isoCode;
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} catch (\Exception $e) {
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// report error?
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}
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return $fallback;
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}
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function is_int_ex($value, int $boundary_low, int $boundary_high): bool
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{
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return is_int($value) && $value >= $boundary_low && $value <= $boundary_high;
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}
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function is_sbyte($value): bool
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{
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return is_int_ex($value, -0x80, 0x7F);
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}
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function is_byte($value): bool
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{
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return is_int_ex($value, 0x0, 0xFF);
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}
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function is_int16($value): bool
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{
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return is_int_ex($value, -0x8000, 0x7FFF);
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}
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function is_uint16($value): bool
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{
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return is_int_ex($value, 0x0, 0xFFFF);
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}
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function is_int32($value): bool
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{
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return is_int_ex($value, -0x80000000, 0x7FFFFFFF);
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}
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function is_uint32($value): bool
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{
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return is_int_ex($value, 0x0, 0xFFFFFFFF);
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}
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function is_int64($value): bool
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{
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return is_int_ex($value, -0x8000000000000000, 0x7FFFFFFFFFFFFFFF);
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}
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