133 lines
4.4 KiB
PHP
133 lines
4.4 KiB
PHP
<?php
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declare(strict_types=1);
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function shopify_api_request_json(string $url, string $method, array $headers, string $body, int $timeoutSeconds = 20): array
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{
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$headerLines = [];
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foreach ($headers as $name => $value) {
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if ($name !== '' && $value !== '') {
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$headerLines[] = $name . ': ' . $value;
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}
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}
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$context = stream_context_create([
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'http' => [
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'method' => $method,
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'header' => implode("\r\n", $headerLines),
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'content' => $body,
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'timeout' => $timeoutSeconds,
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'ignore_errors' => true,
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],
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]);
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$responseBody = @file_get_contents($url, false, $context);
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$responseHeaders = $http_response_header ?? [];
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$status = 0;
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if (isset($responseHeaders[0]) && preg_match('#HTTP/\S+\s+(\d{3})#', $responseHeaders[0], $matches) === 1) {
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$status = (int) $matches[1];
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}
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if ($responseBody === false || $responseBody === '') {
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throw new RuntimeException('Shopify API returned an empty response');
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}
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try {
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$decoded = json_decode($responseBody, true, 512, JSON_THROW_ON_ERROR);
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} catch (JsonException $exception) {
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throw new RuntimeException('Shopify API returned invalid JSON', 0, $exception);
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}
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if (!is_array($decoded)) {
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throw new RuntimeException('Shopify API returned a non-object JSON response');
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}
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return ['status' => $status, 'body' => $decoded];
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}
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function shopify_api_credentials(array $env): array
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{
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$shop = trim(env_value('SHOPIFY_SHOP', $env));
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$clientId = trim(env_value('SHOPIFY_CLIENT_ID', $env));
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$clientSecret = trim(env_value('SHOPIFY_CLIENT_SECRET', $env));
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$apiVersion = trim(env_value('SHOPIFY_API_VERSION', $env));
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if ($shop === '' || $clientId === '' || $clientSecret === '' || $apiVersion === '') {
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throw new RuntimeException('Incomplete Shopify API configuration');
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}
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if (!preg_match('/^[a-z0-9][a-z0-9-]*\.myshopify\.com$/', $shop)) {
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throw new RuntimeException('Invalid Shopify shop domain');
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}
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if (!preg_match('/^\d{4}-\d{2}$/', $apiVersion)) {
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throw new RuntimeException('Invalid Shopify API version');
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}
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return [
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'shop' => $shop,
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'client_id' => $clientId,
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'client_secret' => $clientSecret,
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'api_version' => $apiVersion,
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];
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}
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function shopify_api_access_token(array $env): string
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{
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$credentials = shopify_api_credentials($env);
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$body = http_build_query([
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'grant_type' => 'client_credentials',
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'client_id' => $credentials['client_id'],
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'client_secret' => $credentials['client_secret'],
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], '', '&', PHP_QUERY_RFC3986);
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$response = shopify_api_request_json(
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'https://' . $credentials['shop'] . '/admin/oauth/access_token',
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'POST',
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['Content-Type' => 'application/x-www-form-urlencoded', 'Accept' => 'application/json'],
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$body
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);
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if ($response['status'] < 200 || $response['status'] >= 300) {
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throw new RuntimeException('Shopify access-token request failed');
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}
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$token = trim((string) ($response['body']['access_token'] ?? ''));
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if ($token === '') {
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throw new RuntimeException('Shopify access-token response did not contain a token');
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}
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return $token;
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}
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function shopify_graphql_query(array $env, string $query, array $variables = []): array
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{
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if (trim($query) === '') {
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throw new InvalidArgumentException('Shopify GraphQL query must not be empty');
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}
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$credentials = shopify_api_credentials($env);
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$token = shopify_api_access_token($env);
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$request = ['query' => $query];
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if ($variables !== []) {
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$request['variables'] = $variables;
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}
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$body = json_encode($request, JSON_THROW_ON_ERROR | JSON_UNESCAPED_SLASHES);
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$response = shopify_api_request_json(
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'https://' . $credentials['shop'] . '/admin/api/' . $credentials['api_version'] . '/graphql.json',
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'POST',
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['Content-Type' => 'application/json', 'Accept' => 'application/json', 'X-Shopify-Access-Token' => $token],
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$body
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);
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if ($response['status'] < 200 || $response['status'] >= 300) {
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throw new RuntimeException('Shopify GraphQL request failed');
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}
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$errors = $response['body']['errors'] ?? [];
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if (is_array($errors) && $errors !== []) {
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throw new RuntimeException('Shopify GraphQL returned errors');
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}
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return (array) ($response['body']['data'] ?? []);
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}
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