public DiscordOAuthProvider(
HttpClient http,
OAuthConfigurationProvider cfgProvider)
{
this.Http = http;
this.Configuration = cfgProvider.GetById(ProviderType);
}
private static LoginProviderPreview ProviderToPreview(ConfigurationOAuthProvider provider, OAuthProviderSelector selector)
{
var id = provider.Id ?? provider.Type;
var prv = selector.GetById(id);
return(new LoginProviderPreview(id, prv.GetName(id), prv.GetColour(id)));
}
private static bool IsValidConfigurationItem(ConfigurationOAuthProvider cfg) => cfg.Id != null && cfg.ClientId != null && cfg.ClientSecret != null && cfg.Scopes?.Any() == true && cfg.AuthorizeUrl != null && cfg.TokenUrl != null && cfg.UserUrl != null && cfg.Mappings != null;
private async Task <OAuthResult> ExchangeTokenAsync(AuthenticationContext ctx, string credential, string grantType, ConfigurationOAuthProvider cfg, string url, CancellationToken cancellationToken = default)
{
using (var post = new HttpRequestMessage(HttpMethod.Post, url))
{
var postData = new Dictionary <string, string>(6)
{
["client_id"] = cfg.ClientId,
["client_secret"] = cfg.ClientSecret,
["grant_type"] = grantType,
["redirect_uri"] = this.GetRedirectUrl(ctx),
["scope"] = string.Join(" ", cfg.Scopes)
};
switch (grantType)
{
case GrantTypeToken:
postData["code"] = credential;
break;
case GrantTypeRefresh:
postData["refresh_token"] = credential;
break;
}
post.Content = new FormUrlEncodedContent(postData);
using (var res = await this.Http.SendAsync(post, cancellationToken))
{
if (!res.IsSuccessStatusCode)
{
return(null);
}
using (var dat = await res.Content.ReadAsStreamAsync())
{
var result = await JsonSerializer.DeserializeAsync <OAuthResult>(dat, AbstractionUtilities.SnakeCaseJsonOptions, cancellationToken);
result.IsSuccess = true;
return(result);
}
}
}
}
