public async Task StartAuthorizationAsync(string user)
{
GoogleCodeResponse googleCodeResponse = await _googleFitService.StartAuthorizationAsync();
SetUserState <GoogleCodeResponse>(user, googleCodeResponse);
RaiseOnChangeEvent();
}
public async Task AuthorizationPollingAsync(string user)
{
GoogleCodeResponse googleCodeResponse = GetGoogleCodeResponse(user);
GoogleAuthResponse googleAuthResponse = await _googleFitService.AuthorizationPolling(user, googleCodeResponse);
string token = googleAuthResponse?.access_token;
SetUserState <GoogleAccessToken>(user, new GoogleAccessToken(token));
RaiseOnChangeEvent();
}
public async Task <GoogleCodeResponse> StartAuthorizationAsync()
{
List <KeyValuePair <string, string> > content = new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("client_id", _configuration.ClientId),
new KeyValuePair <string, string>("scope", "openid profile https://www.googleapis.com/auth/fitness.body.read https://www.googleapis.com/auth/fitness.activity.read")
};
DeviceRegistrationEndpoint = await GetDeviceRegistrationEndpointAsync();
HttpResponseMessage response = await _httpClient.PostAsync(DeviceRegistrationEndpoint, new FormUrlEncodedContent(content));
string responseContent = await response.Content.ReadAsStringAsync();
GoogleCodeResponse codeResponse = JsonConvert.DeserializeObject <GoogleCodeResponse>(responseContent);
return(codeResponse);
}
public async Task <GoogleAuthResponse> AuthorizationPolling(string user, GoogleCodeResponse googleCodeResponse)
{
DateTime expiresDateTime = DateTime.UtcNow.AddSeconds(googleCodeResponse.expires_in);
List <KeyValuePair <string, string> > content = new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("client_id", _configuration.ClientId),
new KeyValuePair <string, string>("client_secret", _configuration.ClientSecret),
new KeyValuePair <string, string>("device_code", googleCodeResponse.device_code),
new KeyValuePair <string, string>("grant_type", "urn:ietf:params:oauth:grant-type:device_code")
};
while (DateTime.UtcNow < expiresDateTime && string.IsNullOrEmpty(await GetAccessTokenAsync(user)))
{
HttpResponseMessage response = await _httpClient.PostAsync("https://oauth2.googleapis.com/token", new FormUrlEncodedContent(content));
string responseContent = await response.Content.ReadAsStringAsync();
GoogleAuthResponse googleAuthResponse = JsonConvert.DeserializeObject <GoogleAuthResponse>(responseContent);
if (response.IsSuccessStatusCode)
{
_cache.SetString(GetCacheKey(CacheKeyRefreshToken, user), googleAuthResponse.refresh_token);
_cache.SetString(GetCacheKey(CacheKeyAccessToken, user), googleAuthResponse.access_token, new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(googleAuthResponse.expires_in - 30)
});
return(googleAuthResponse);
}
_logger.LogWarning("Error polling google auth endpoint: {statusCode}, {error}", response.StatusCode, googleAuthResponse.error);
await Task.Delay(googleCodeResponse.interval * 1000);
}
return(new GoogleAuthResponse
{
access_token = await GetAccessTokenAsync(user)
});
}