102 lines
2.6 KiB
PHP
102 lines
2.6 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Kreait\Firebase\Database;
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use Kreait\Firebase\Exception\InvalidArgumentException;
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use Kreait\Firebase\Util;
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use function http_build_query;
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use function in_array;
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use function preg_match;
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use function rtrim;
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use function strtr;
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use function trim;
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/**
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* @internal
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*/
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final class UrlBuilder
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{
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private const EXPECTED_URL_FORMAT = '@^https://(?P<namespace>[^.]+)\.(?P<host>.+)$@';
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/**
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* @param 'http'|'https' $scheme
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* @param non-empty-string $host
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* @param array<string, string> $defaultQueryParams
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*/
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private function __construct(
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private readonly string $scheme,
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private readonly string $host,
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private readonly array $defaultQueryParams,
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) {
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}
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/**
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* @param non-empty-string $databaseUrl
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*/
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public static function create(string $databaseUrl): self
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{
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['scheme' => $scheme, 'host' => $host, 'query' => $query] = self::parseDatabaseUrl($databaseUrl);
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return new self($scheme, $host, $query);
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}
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/**
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* @param array<string, string> $queryParams
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*/
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public function getUrl(string $path, array $queryParams = []): string
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{
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$allQueryParams = $this->defaultQueryParams + $queryParams;
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$path = '/'.trim($path, '/');
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$url = strtr('{scheme}://{host}{path}?{queryParams}', [
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'{scheme}' => $this->scheme,
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'{host}' => $this->host,
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'{path}' => $path,
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'{queryParams}' => http_build_query($allQueryParams),
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]);
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// If no queryParams are present, remove the trailing '?'
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return trim($url, '?');
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}
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/**
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* @param non-empty-string $databaseUrl
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*
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* @return array{
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* scheme: 'http'|'https',
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* host: non-empty-string,
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* query: array<non-empty-string, non-empty-string>
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* }
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*/
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private static function parseDatabaseUrl(string $databaseUrl): array
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{
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$databaseUrl = rtrim($databaseUrl, '/');
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if (preg_match(self::EXPECTED_URL_FORMAT, $databaseUrl, $matches) !== 1) {
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throw new InvalidArgumentException('Unexpected database URL format "'.$databaseUrl.'"');
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}
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$namespace = $matches['namespace'];
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$host = $matches['host'];
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$emulatorHost = Util::rtdbEmulatorHost();
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if (!in_array($emulatorHost, ['', '0', null], true)) {
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return [
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'scheme' => 'http',
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'host' => $emulatorHost,
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'query' => ['ns' => $namespace],
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];
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}
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return [
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'scheme' => 'https',
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'host' => $namespace.'.'.$host,
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'query' => [],
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];
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}
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}
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