/// <summary>
/// A convenience function that tries to ensure that a given URL is a valid Bizweb domain. It does this by making a HEAD request to the given domain, and returns true if the response contains an X-StoreId header.
///
/// **Warning**: a domain could fake the response header, which would cause this method to return true.
///
/// **Warning**: this method of validation is not officially supported by Bizweb and could break at any time.
/// </summary>
/// <param name="url">The URL of the shop to check.</param>
/// <returns>A boolean indicating whether the URL is valid.</returns>
public static async Task <bool> IsValidShopDomainAsync(string url)
{
var uri = RequestEngine.BuildUri(url, false);
using (var msg = new HttpRequestMessage(HttpMethod.Head, uri))
{
var version = (typeof(AuthorizationService)).GetTypeInfo().Assembly.GetName().Version;
msg.Headers.Add("User-Agent",
$"BizwebSharp v{version} (https://github.com/vinhch/BizwebSharp)");
try
{
using (var response = await HttpUtils.SendHttpRequestNoRedirectAsync(msg))
{
return(response.Headers
.Any(h => h.Key.Equals("X-StoreId", StringComparison.OrdinalIgnoreCase)));
}
}
catch (HttpRequestException)
{
return(false);
}
}
}
/// <summary>
/// Builds an authorization URL for OAuth integration.
/// </summary>
/// <param name="scopes">A permission strings, separated by comma, e.g. 'read_orders,write_script_tags'.
/// These are the permissions that your app needs to run.</param>
/// <param name="myApiUrl">The shop's *.bizwebvietnam.net URL.</param>
/// <param name="apiKey">Your app's public API key.</param>
/// <param name="redirectUri">URL to redirect the user to after integration.</param>
/// <param name="state">
/// An optional, random string value provided by your application which is unique for each authorization request.
/// During the OAuth callback phase, your application should check that this value matches the one you provided to this method.
/// </param>
/// <returns>The authorization url.</returns>
public static Uri BuildAuthorizationUrl(string scopes, string myApiUrl,
string apiKey, string redirectUri, string state = null)
{
//Prepare a uri builder for the tenant URL
var builder = new UriBuilder(RequestEngine.BuildUri(myApiUrl));
//Build the querystring
var qs = new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("client_id", apiKey),
new KeyValuePair <string, string>("scope", scopes),
new KeyValuePair <string, string>("redirect_uri", redirectUri)
};
if (string.IsNullOrEmpty(state) == false)
{
qs.Add(new KeyValuePair <string, string>("state", state));
}
builder.Path = "admin/oauth/authorize";
builder.Query = string.Join("&", qs.Select(s => $"{s.Key}={s.Value}"));
return(builder.Uri);
}
