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| getFormatedDates | |
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| getContentForHash | |
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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @copyright BerlinOnline Stadtportal GmbH & Co. KG |
| 5 | **/ |
| 6 | |
| 7 | namespace BO\Slim; |
| 8 | |
| 9 | class Helper |
| 10 | { |
| 11 | public static function proxySanitizeUri($uri) |
| 12 | { |
| 13 | $uri = str_replace(':80/', '/', $uri); |
| 14 | return $uri; |
| 15 | } |
| 16 | |
| 17 | public static function getFormatedDates( |
| 18 | $timestamp, |
| 19 | $pattern = 'MMMM', |
| 20 | $locale = 'de_DE', |
| 21 | $timezone = 'Europe/Berlin' |
| 22 | ) { |
| 23 | $dateFormatter = new \IntlDateFormatter( |
| 24 | $locale, |
| 25 | \IntlDateFormatter::MEDIUM, |
| 26 | \IntlDateFormatter::MEDIUM, |
| 27 | $timezone, |
| 28 | \IntlDateFormatter::GREGORIAN, |
| 29 | $pattern |
| 30 | ); |
| 31 | return $dateFormatter->format($timestamp); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | public static function hashQueryParameters( |
| 36 | string $section, |
| 37 | array $queryVariables, |
| 38 | array $parameters, |
| 39 | string $hashFunction = 'md5' |
| 40 | ) { |
| 41 | $content = $section . self::getContentForHash($queryVariables, $parameters); |
| 42 | $hashString = $hashFunction($content . \App::$urlSignatureSecret); |
| 43 | $firstHalf = substr($hashString, 0, floor(strlen($hashString) / 2)); |
| 44 | $secondHalf = substr($hashString, strlen($firstHalf)); |
| 45 | $alphabet = '0123456789' . implode(range('A', 'Z')) . implode(range('a', 'z')); |
| 46 | $rotation = 31; |
| 47 | // reducing the hash to half its length by combining first half and second half |
| 48 | for ($i = 0; $i < strlen($firstHalf); $i++) { |
| 49 | $rotation = (strpos($alphabet, $firstHalf[$i]) + ord($secondHalf[$i]) + $rotation) % strlen($alphabet); |
| 50 | $firstHalf[$i] = $alphabet[$rotation]; |
| 51 | } |
| 52 | return $firstHalf; |
| 53 | } |
| 54 | |
| 55 | protected static function getContentForHash(array $queryVariables, array $parameters) |
| 56 | { |
| 57 | $content = ''; |
| 58 | foreach ($parameters as $parameter) { |
| 59 | if (isset($queryVariables[$parameter])) { |
| 60 | if (is_iterable($queryVariables[$parameter])) { |
| 61 | $parameterArray = $queryVariables[$parameter]; |
| 62 | ksort($parameterArray); |
| 63 | $flat = []; |
| 64 | array_walk_recursive( |
| 65 | $parameterArray, |
| 66 | function ($value) use (&$flat) { |
| 67 | $flat[] = strval($value); |
| 68 | } |
| 69 | ); |
| 70 | $content .= implode('', $flat); |
| 71 | } else { |
| 72 | $content .= (string) $queryVariables[$parameter]; |
| 73 | } |
| 74 | } else { |
| 75 | $content .= 'NULL'; |
| 76 | } |
| 77 | } |
| 78 | return $content; |
| 79 | } |
| 80 | } |