private void ValidateAccessTokenInput(TraktDevice device, string clientId, string clientSecret)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device), "device must not be null");
}
if (device.IsExpiredUnused)
{
throw new ArgumentException("device code expired unused", nameof(device));
}
if (!device.IsValid)
{
throw new ArgumentException("device not valid", nameof(device));
}
if (device.DeviceCode.ContainsSpace())
{
throw new ArgumentException("device code not valid", nameof(device.DeviceCode));
}
if (string.IsNullOrEmpty(clientId) || clientId.ContainsSpace())
{
throw new ArgumentException("client id not valid", nameof(clientId));
}
if (string.IsNullOrEmpty(clientSecret) || clientSecret.ContainsSpace())
{
throw new ArgumentException("client secret not valid", nameof(clientSecret));
}
}
/// <summary>
/// Polls for a new access token. Assigns the returned <see cref="TraktAuthorization" /> instance to <see cref="TraktAuthentication.Authorization" />, if successful.
/// <para>
/// See <a href="http://docs.trakt.apiary.io/#reference/authentication-devices/get-token/poll-for-the-access_token">"Trakt API Doc - Devices: Get Token"</a> for more information.
/// </para>
/// <para>
/// See also <seealso cref="PollForAuthorizationAsync()" />,
/// <seealso cref="PollForAuthorizationAsync(TraktDevice)" /> and
/// <seealso cref="PollForAuthorizationAsync(TraktDevice, string)" />.
/// See also <seealso cref="TraktAuthentication.Authorization" />.
/// </para>
/// </summary>
/// <param name="device">The <see cref="TraktDevice" />, which will be used for the request. See also <seealso cref="TraktAuthentication.Device "/>.</param>
/// <param name="clientId">The Trakt Client ID, which will be used for the request. See also <seealso cref="TraktAuthentication.ClientId" />.</param>
/// <param name="clientSecret">The Trakt Client Secret, which will be used for the request. See also <seealso cref="TraktAuthentication.ClientSecret" />.</param>
/// <returns>A new <see cref="TraktAuthorization" /> instance, which contains a new access and refresh token.</returns>
/// <exception cref="TraktAuthenticationDeviceException">
/// Thrown, if the given device has an invalid device code.
/// Thrown, if the user code of the given device was already approved by the user.
/// Thrown, if the given device code is already expired unused.
/// Thrown, if the user explicitly denied the user code of the given device.
/// </exception>
/// <exception cref="TraktException">Thrown, if the request fails.</exception>
/// <exception cref="ArgumentException">
/// Thrown, if the given device is null, or already expired unused or invalid or its user code contains spaces.
/// Thrown, if the given client id is null, empty or contains spaces.
/// Thrown, if the given client secret is null, empty or contains spaces.
/// </exception>
public async Task <TraktAuthorization> PollForAuthorizationAsync(TraktDevice device, string clientId, string clientSecret)
{
ValidateAccessTokenInput(device, clientId, clientSecret);
var postContent = $"{{ \"code\": \"{device.DeviceCode}\", \"client_id\": \"{clientId}\", \"client_secret\": \"{clientSecret}\" }}";
var httpClient = TraktConfiguration.HTTP_CLIENT ?? new HttpClient();
SetDefaultRequestHeaders(httpClient);
var tokenUrl = $"{Client.Configuration.BaseUrl}{TraktConstants.OAuthDeviceTokenUri}";
HttpStatusCode responseCode = default(HttpStatusCode);
string responseContent = string.Empty;
string reasonPhrase = string.Empty;
int totalExpiredSeconds = 0;
while (totalExpiredSeconds < device.ExpiresInSeconds)
{
var content = new StringContent(postContent, Encoding.UTF8, "application/json");
var response = await httpClient.PostAsync(tokenUrl, content).ConfigureAwait(false);
responseCode = response.StatusCode;
reasonPhrase = response.ReasonPhrase;
responseContent = response.Content != null ? await response.Content.ReadAsStringAsync() : string.Empty;
if (responseCode == HttpStatusCode.OK) // Success
{
var token = default(TraktAuthorization);
if (!string.IsNullOrEmpty(responseContent))
{
token = Json.Deserialize <TraktAuthorization>(responseContent);
}
Client.Authentication.Authorization = token;
return(token);
}
else if (responseCode == HttpStatusCode.BadRequest) // Pending
{
await Task.Delay(device.IntervalInSeconds * 1000);
totalExpiredSeconds += device.IntervalInSeconds;
continue;
}
switch (responseCode)
{
case HttpStatusCode.NotFound:
throw new TraktAuthenticationDeviceException("Not Found - invalid device_code")
{
StatusCode = responseCode,
RequestUrl = tokenUrl,
RequestBody = postContent,
ServerReasonPhrase = reasonPhrase
};
case HttpStatusCode.Conflict: // Already Used
throw new TraktAuthenticationDeviceException("Already Used - user already approved this code")
{
StatusCode = responseCode,
RequestUrl = tokenUrl,
RequestBody = postContent,
ServerReasonPhrase = reasonPhrase
};
case HttpStatusCode.Gone: // Expired
throw new TraktAuthenticationDeviceException("Expired - the tokens have expired, restart the process")
{
StatusCode = responseCode,
RequestUrl = tokenUrl,
RequestBody = postContent,
ServerReasonPhrase = reasonPhrase
};
case (HttpStatusCode)418: // Denied
throw new TraktAuthenticationDeviceException("Denied - user explicitly denied this code")
{
StatusCode = (HttpStatusCode)418,
RequestUrl = tokenUrl,
RequestBody = postContent,
ServerReasonPhrase = reasonPhrase
};
case (HttpStatusCode)429: // Slow Down
throw new TraktAuthenticationDeviceException("Slow Down - your app is polling too quickly")
{
StatusCode = (HttpStatusCode)429,
RequestUrl = tokenUrl,
RequestBody = postContent,
ServerReasonPhrase = reasonPhrase
};
}
await ErrorHandlingAsync(response, tokenUrl, postContent, true);
break;
}
throw new TraktAuthenticationDeviceException("unknown exception")
{
ServerReasonPhrase = reasonPhrase
};
}
/// <summary> /// Polls for a new access token. Uses the current <see cref="TraktAuthentication.ClientSecret" /> for the request. /// Assigns the returned <see cref="TraktAuthorization" /> instance to <see cref="TraktAuthentication.Authorization" />, if successful. /// <para> /// See <a href="http://docs.trakt.apiary.io/#reference/authentication-devices/get-token/poll-for-the-access_token">"Trakt API Doc - Devices: Get Token"</a> for more information. /// </para> /// <para> /// See also <seealso cref="PollForAuthorizationAsync()" />, /// <seealso cref="PollForAuthorizationAsync(TraktDevice)" /> and /// <seealso cref="PollForAuthorizationAsync(TraktDevice, string, string)" />. /// See also <seealso cref="TraktAuthentication.Authorization" />. /// </para> /// </summary> /// <param name="device">The <see cref="TraktDevice" />, which will be used for the request. See also <seealso cref="TraktAuthentication.Device "/>.</param> /// <param name="clientId">The Trakt Client ID, which will be used for the request. See also <seealso cref="TraktAuthentication.ClientId" />.</param> /// <returns>A new <see cref="TraktAuthorization" /> instance, which contains a new access and refresh token.</returns> /// <exception cref="TraktAuthenticationDeviceException"> /// Thrown, if the given device has an invalid device code. /// Thrown, if the user code of the given device was already approved by the user. /// Thrown, if the given device code is already expired unused. /// Thrown, if the user explicitly denied the user code of the given device. /// </exception> /// <exception cref="TraktException">Thrown, if the request fails.</exception> /// <exception cref="ArgumentException"> /// Thrown, if the given device is null, or already expired unused or invalid or its user code contains spaces. /// Thrown, if the given client id is null, empty or contains spaces. /// Thrown, if the current client secret is null, empty or contains spaces. /// </exception> public async Task <TraktAuthorization> PollForAuthorizationAsync(TraktDevice device, string clientId) => await PollForAuthorizationAsync(device, clientId, Client.ClientSecret);
