73 lines
1.8 KiB
PHP
73 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services\TenantConfiguration;
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final class GenericPayloadNormalizer
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{
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/**
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* @param array<string, mixed> $payload
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* @param list<string> $volatileFields
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* @return array<string, mixed>
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*/
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public function normalize(array $payload, array $volatileFields = []): array
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{
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$volatileLookup = array_fill_keys(array_map('strval', $volatileFields), true);
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return $this->normalizeValue($payload, $volatileLookup);
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}
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/**
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* @param array<string, mixed> $normalizedPayload
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*/
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public function payloadHash(array $normalizedPayload): string
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{
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return hash('sha256', $this->canonicalJson($normalizedPayload));
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}
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/**
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* @param array<string, mixed> $payload
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*/
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public function canonicalJson(array $payload): string
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{
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return json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);
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}
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/**
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* @param array<string, bool> $volatileLookup
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* @return mixed
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*/
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private function normalizeValue(mixed $value, array $volatileLookup): mixed
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{
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if (! is_array($value)) {
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return $value;
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}
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if ($this->isList($value)) {
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return array_map(fn (mixed $item): mixed => $this->normalizeValue($item, $volatileLookup), $value);
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}
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$normalized = [];
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foreach ($value as $key => $nestedValue) {
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$key = (string) $key;
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if (isset($volatileLookup[$key])) {
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continue;
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}
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$normalized[$key] = $this->normalizeValue($nestedValue, $volatileLookup);
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}
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ksort($normalized);
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return $normalized;
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}
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private function isList(array $value): bool
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{
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return array_is_list($value);
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}
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}
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