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<?php |
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|
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namespace IvyForms\Services\Payment; |
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|
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use IvyForms\Services\Integrations\MiddlewareUrl; |
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|
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/** |
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* HTTP client for ivyforms-middleware Square endpoints. |
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*/ |
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class SquareMiddlewareClient |
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{ |
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/** |
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* @return array{applicationId: string, sandbox: bool} |
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*/ |
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public function fetchApplicationConfig(): array |
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{ |
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$empty = ['applicationId' => '', 'sandbox' => true]; |
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$middlewareUrl = MiddlewareUrl::getBaseUrl(); |
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if ($middlewareUrl === '') { |
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return $empty; |
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} |
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|
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$response = wp_remote_get( |
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$middlewareUrl . '/square/application-config', |
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['timeout' => 15] |
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); |
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|
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if (is_wp_error($response) || (int) wp_remote_retrieve_response_code($response) !== 200) { |
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return $empty; |
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} |
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|
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$result = $this->parseResultPayload($response); |
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if ($result === null) { |
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return $empty; |
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} |
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|
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return [ |
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'applicationId' => trim((string) ($result['applicationId'] ?? '')), |
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'sandbox' => !empty($result['sandbox']), |
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]; |
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} |
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|
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public function fetchAuthorizationUrl(string $callbackUrl): ?string |
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{ |
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$middlewareUrl = MiddlewareUrl::getBaseUrl(); |
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if ($middlewareUrl === '') { |
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return null; |
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} |
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|
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$response = wp_remote_get( |
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$middlewareUrl . '/square/authorization/url?' . http_build_query( |
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['callback_url' => $callbackUrl], |
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'', |
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'&', |
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PHP_QUERY_RFC3986 |
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), |
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['timeout' => 15] |
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); |
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|
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if (is_wp_error($response) || (int) wp_remote_retrieve_response_code($response) !== 200) { |
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return null; |
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} |
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|
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$result = $this->parseResultPayload($response); |
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if ($result === null) { |
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return null; |
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} |
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|
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$authUrl = trim((string) ($result['authorizationUrl'] ?? '')); |
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|
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if ($authUrl === '' || ! $this->isValidAuthorizationUrl($authUrl)) { |
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return null; |
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} |
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|
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return $authUrl; |
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} |
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|
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public function isValidAuthorizationUrl(string $url): bool |
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{ |
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if (filter_var($url, FILTER_VALIDATE_URL) === false) { |
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return false; |
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} |
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|
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$host = (string) wp_parse_url($url, PHP_URL_HOST); |
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$query = []; |
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parse_str((string) wp_parse_url($url, PHP_URL_QUERY), $query); |
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$clientId = trim((string) ($query['client_id'] ?? '')); |
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|
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if ($clientId === '') { |
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return false; |
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} |
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|
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return $host !== '' && ( |
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str_contains($host, 'squareup.com') |
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|| str_contains($host, 'squareupsandbox.com') |
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); |
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} |
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|
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/** |
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* @param array<string, mixed>|\WP_Error $response |
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* @return array<string, mixed>|null |
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*/ |
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private function parseResultPayload($response): ?array |
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{ |
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$decoded = json_decode((string) wp_remote_retrieve_body($response), true); |
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$result = is_array($decoded) ? ($decoded['result'] ?? null) : null; |
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|
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return is_array($result) ? $result : null; |
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} |
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} |
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|
