Use HTTPS for Shopify Authorization
Use HTTPS for Shopify Authorization

Shopify's guides (https://help.shopify.com/api/guides/authentication/oauth#asking-for-permission) are
pretty clear about specifying HTTP in the URL. Furthermore, all links to HTTP are redirected immediately.
cmcdonaldca/ohShopify.php,whatsbrand/php-shopify-api-client,noerjeffries/ohShopify.php