Spotify.NET/SpotifyAPI.Web/Clients/OAuthClient.cs

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3.9 KiB
C#
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using System.Text;
using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using SpotifyAPI.Web.Http;
namespace SpotifyAPI.Web
{
public class OAuthClient : APIClient, IOAuthClient
{
public OAuthClient(IAPIConnector apiConnector) : base(apiConnector) { }
public OAuthClient() : this(SpotifyClientConfig.CreateDefault()) { }
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1062")]
public OAuthClient(SpotifyClientConfig config) : base(ValidateConfig(config)) { }
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public Task<CredentialsTokenResponse> RequestToken(ClientCredentialsRequest request)
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{
return RequestToken(request, API);
}
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public Task<AuthorizationCodeRefreshResponse> RequestToken(AuthorizationCodeRefreshRequest request)
{
return RequestToken(request, API);
}
public Task<AuthorizationCodeTokenResponse> RequestToken(AuthorizationCodeTokenRequest request)
{
return RequestToken(request, API);
}
public static Task<CredentialsTokenResponse> RequestToken(
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ClientCredentialsRequest request, IAPIConnector apiConnector
)
{
Ensure.ArgumentNotNull(request, nameof(request));
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Ensure.ArgumentNotNull(apiConnector, nameof(apiConnector));
var form = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("grant_type", "client_credentials")
};
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return SendOAuthRequest<CredentialsTokenResponse>(apiConnector, form, request.ClientId, request.ClientSecret);
}
public static Task<AuthorizationCodeRefreshResponse> RequestToken(
AuthorizationCodeRefreshRequest request, IAPIConnector apiConnector
)
{
Ensure.ArgumentNotNull(request, nameof(request));
Ensure.ArgumentNotNull(apiConnector, nameof(apiConnector));
var form = new List<KeyValuePair<string, string>>
{
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new KeyValuePair<string, string>("grant_type", "refresh_token"),
new KeyValuePair<string, string>("refresh_token", request.RefreshToken)
};
return SendOAuthRequest<AuthorizationCodeRefreshResponse>(apiConnector, form, request.ClientId, request.ClientSecret);
}
public static Task<AuthorizationCodeTokenResponse> RequestToken(
AuthorizationCodeTokenRequest request, IAPIConnector apiConnector
)
{
Ensure.ArgumentNotNull(request, nameof(request));
Ensure.ArgumentNotNull(apiConnector, nameof(apiConnector));
var form = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("grant_type", "authorization_code"),
new KeyValuePair<string, string>("code", request.Code),
new KeyValuePair<string, string>("redirect_uri", request.RedirectUri.ToString())
};
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return SendOAuthRequest<AuthorizationCodeTokenResponse>(apiConnector, form, request.ClientId, request.ClientSecret);
}
private static Task<T> SendOAuthRequest<T>(
IAPIConnector apiConnector,
List<KeyValuePair<string, string>> form,
string clientId,
string clientSecret)
{
var headers = BuildAuthHeader(clientId, clientSecret);
return apiConnector.Post<T>(SpotifyUrls.OAuthToken, null, new FormUrlEncodedContent(form), headers);
}
private static Dictionary<string, string> BuildAuthHeader(string clientId, string clientSecret)
{
var base64 = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{clientId}:{clientSecret}"));
return new Dictionary<string, string>
{
{ "Authorization", $"Basic {base64}"}
};
}
private static APIConnector ValidateConfig(SpotifyClientConfig config)
{
Ensure.ArgumentNotNull(config, nameof(config));
return new APIConnector(
config.BaseAddress,
config.Authenticator,
config.JSONSerializer,
config.HTTPClient,
config.RetryHandler,
config.HTTPLogger
);
}
}
}