public void OnGetRequestCode()
{
const string OAUTH_URL = "https://accounts.google.com/o/oauth2/v2/auth";
if (System.IO.File.Exists(TOKEN_FILE))
{
return;
}
var user = OAuthClientInfo.LoadClientSecretsInfo();
var redirectUri = user.RedirectUris.FirstOrDefault();
if (redirectUri == null)
{
throw new SystemException("Missing redirect url in user credentials");
}
var queryParams = new Dictionary <string, string>
{
{ "client_id", user.ClientId },
{ "scope", YouTubeService.Scope.YoutubeUpload },
{ "response_type", "code" },
{ "redirect_uri", redirectUri },
{ "access_type", "offline" },
{ "prompt", "consent" }
};
var newUrl = QueryHelpers.AddQueryString(OAUTH_URL, queryParams);
base.Response.Redirect(newUrl);
}
private async void ExchangeCodeForTokenAsync(string code)
{
var user = OAuthClientInfo.LoadClientSecretsInfo();
var redirectUri = user.RedirectUris.FirstOrDefault();
if (string.IsNullOrWhiteSpace(redirectUri))
{
throw new SystemException("Missing redirect url in user credentials");
}
var payload = new Dictionary <string, string>
{
{ "code", code },
{ "client_id", user.ClientId },
{ "client_secret", user.ClientSecret },
{ "redirect_uri", redirectUri },
{ "grant_type", "authorization_code" }
};
var content = new FormUrlEncodedContent(payload);
var client = _clientFactory.CreateClient();
var response = await client.PostAsync(user.TokenUri, content);
response.EnsureSuccessStatusCode();
if (response.IsSuccessStatusCode)
{
var jsonString = await response.Content.ReadAsStringAsync();
string fileName = System.IO.Path.Combine(_hostingEnvironment.ContentRootPath, TOKEN_FILE);
await System.IO.File.WriteAllTextAsync(fileName, jsonString, Encoding.UTF8);
}
}
public async void OnPostAsync()
{
var video = GetVideoData(VideoUpload.Title, VideoUpload.Description);
var user = OAuthClientInfo.LoadClientSecretsInfo();
if (!System.IO.File.Exists(TOKEN_FILE))
{
throw new SystemException("missing access token file. Request for authorization code before uploading a video");
}
var tokenResponse = await FetchToken(user);
var youTubeService = FetchYouTubeService(tokenResponse, user.ClientId, user.ClientSecret);
using (var fileStream = new FileStream(_tempFilePath, FileMode.Open))
{
var videosInsertRequest = youTubeService.Videos.Insert(video, "snippet, status", fileStream, "video/*");
videosInsertRequest.ProgressChanged += VideoUploadProgressChanged;
videosInsertRequest.ResponseReceived += VideoUploadResponseReceived;
await videosInsertRequest.UploadAsync();
}
}
