118 lines
2.8 KiB
PHP
118 lines
2.8 KiB
PHP
<?php
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namespace App\Helpers;
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class MiscHelper
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{
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public static function capitaliseWord($word)
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{
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$word = strtolower($word);
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$wordLetters = [];
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preg_match_all('/\b[a-z]/i', $word, $wordLetters, PREG_OFFSET_CAPTURE);
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foreach ($wordLetters[0] as $wordLetter)
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{
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$word = substr_replace($word, strtoupper($wordLetter[0]), $wordLetter[1], 1);
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}
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return $word;
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}
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public static function convertToBytes($val)
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{
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if(empty($val))return 0;
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$val = trim($val);
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preg_match('#([0-9]+)[\s]*([a-z]+)#i', $val, $matches);
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$last = '';
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if(isset($matches[2])){
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$last = $matches[2];
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}
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if(isset($matches[1])){
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$val = (int) $matches[1];
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}
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switch (strtolower($last))
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{
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case 'g':
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case 'gb':
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$val *= 1024;
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case 'm':
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case 'mb':
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$val *= 1024;
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case 'k':
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case 'kb':
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$val *= 1024;
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}
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return (int) $val;
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}
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public static function getEnvironmentFilePath()
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{
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return sprintf('%s/.env', dirname(dirname(__DIR__)));
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}
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public static function getEnvironmentSetting($settingName)
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{
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$envFile = MiscHelper::getEnvironmentFilePath();
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if (!file_exists($envFile))
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{
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return null;
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}
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$matches = null;
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if (preg_match(sprintf('/^\s*%s\s*=\s*(.+)$/im', preg_quote($settingName)), file_get_contents($envFile), $matches))
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{
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return trim($matches[1]);
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}
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return null;
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}
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public static function isAppInstalled()
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{
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return MiscHelper::getEnvironmentSetting('APP_INSTALLED');
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}
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/**
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* Tests whether the provided URL belongs to the current application (i.e. both scheme and hostname match.)
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* @param $url
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* @return bool
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*/
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public static function isSafeUrl($url)
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{
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$parts = parse_url($url);
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$validParts = parse_url(url('/'));
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return ($parts['scheme'] == $validParts['scheme'] && $parts['host'] == $validParts['host']);
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}
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public static function randomString($length = 10)
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{
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$seed = 'abcdefghijklmnopqrstuvwxyz01234567890';
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$string = '';
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while (strlen($string) < $length)
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{
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$string .= substr($seed, rand(0, strlen($seed) - 1), 1);
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}
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return $string;
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}
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public static function setEnvironmentSetting($settingName, $value)
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{
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if (is_null(MiscHelper::getEnvironmentSetting($settingName)))
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{
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return file_put_contents(MiscHelper::getEnvironmentFilePath(), sprintf('%s=%s', $settingName, $value) . PHP_EOL, FILE_APPEND);
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}
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return false;
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}
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} |