Added UserCredential override with TokenUpdated event
Added Success code parser Updated packages versions
This commit is contained in:
Michael Gordeev
@@ -5,102 +5,106 @@ using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace YouTube.Authorization
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{
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public static class AuthorizationHelpers
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{
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public static Uri Endpoint => "https://accounts.google.com/o/oauth2/approval".ToUri();
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const string refreshEndpoint = "https://oauth2.googleapis.com/token";
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const string tokenEndpoint = "https://www.googleapis.com/oauth2/v4/token";
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const string redirectUrl = "urn:ietf:wg:oauth:2.0:oob";
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public static class AuthorizationHelpers
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{
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public static Uri Endpoint => "https://accounts.google.com/o/oauth2/approval".ToUri();
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private const string refreshEndpoint = "https://oauth2.googleapis.com/token";
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private const string tokenEndpoint = "https://www.googleapis.com/oauth2/v4/token";
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private const string redirectUrl = "urn:ietf:wg:oauth:2.0:oob";
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public static Uri FormQueryString(ClientSecrets clientSecrets, params string[] scopes)
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{
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string clientId = Uri.EscapeDataString(clientSecrets.ClientId);
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string scopeStr = string.Join(" ", scopes);
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public static Uri FormQueryString(ClientSecrets clientSecrets, params string[] scopes)
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{
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string clientId = Uri.EscapeDataString(clientSecrets.ClientId);
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string scopeStr = string.Join(" ", scopes);
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return $"https://accounts.google.com/o/oauth2/auth?client_id={clientId}&redirect_uri={redirectUrl}&response_type=code&scope={scopeStr}".ToUri();
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}
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return $"https://accounts.google.com/o/oauth2/auth?client_id={clientId}&redirect_uri={redirectUrl}&response_type=code&scope={scopeStr}".ToUri();
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}
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public static async Task<UserCredential> ExchangeToken(ClientSecrets clientSecrets, string responseToken)
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{
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using HttpClient client = new HttpClient();
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public static string ParseSuccessCode(string responseData) =>
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new Regex(@"(?<=code=)(.*?)(?=&)").Match(responseData).Value;
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Dictionary<string, string> requestBody = new Dictionary<string, string>
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{
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{ "code", responseToken },
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{ "redirect_uri", redirectUrl },
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{ "grant_type", "authorization_code" },
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{ "client_id", clientSecrets.ClientId },
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{ "client_secret", clientSecrets.ClientSecret }
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};
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public static async Task<UserCredential> ExchangeToken(ClientSecrets clientSecrets, string responseToken)
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{
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using HttpClient client = new HttpClient();
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HttpResponseMessage response = await client.PostAsync(tokenEndpoint, new FormUrlEncodedContent(requestBody));
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Dictionary<string, string> requestBody = new Dictionary<string, string>
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{
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{ "code", responseToken },
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{ "redirect_uri", redirectUrl },
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{ "grant_type", "authorization_code" },
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{ "client_id", clientSecrets.ClientId },
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{ "client_secret", clientSecrets.ClientSecret }
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};
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if (!response.IsSuccessStatusCode)
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throw new Exception(await response.Content.ReadAsStringAsync());
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HttpResponseMessage response = await client.PostAsync(tokenEndpoint, new FormUrlEncodedContent(requestBody));
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string responseString = await response.Content.ReadAsStringAsync();
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dynamic responseData = JsonConvert.DeserializeObject(responseString);
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if (!response.IsSuccessStatusCode)
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throw new Exception(await response.Content.ReadAsStringAsync());
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TokenResponse tokenResponse = new TokenResponse
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{
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AccessToken = responseData.access_token,
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ExpiresInSeconds = responseData.expires_in,
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RefreshToken = responseData.refresh_token,
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Scope = responseData.scope,
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TokenType = responseData.token_type
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};
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string responseString = await response.Content.ReadAsStringAsync();
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dynamic responseData = JsonConvert.DeserializeObject(responseString);
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AuthorizationCodeFlow authorizationCodeFlow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
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{
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ClientSecrets = clientSecrets,
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Scopes = responseData.scope.ToString().Split(' ')
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});
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TokenResponse tokenResponse = new TokenResponse
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{
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AccessToken = responseData.access_token,
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ExpiresInSeconds = responseData.expires_in,
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RefreshToken = responseData.refresh_token,
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Scope = responseData.scope,
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TokenType = responseData.token_type
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};
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UserCredential credential = new UserCredential(authorizationCodeFlow, "user", tokenResponse);
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AuthorizationCodeFlow authorizationCodeFlow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
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{
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ClientSecrets = clientSecrets,
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Scopes = responseData.scope.ToString().Split(' ')
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});
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return credential;
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}
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UserCredential credential = new UserCredential(authorizationCodeFlow, "user", tokenResponse);
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public static async Task<UserCredential> RestoreUser(ClientSecrets clientSecrets, string refreshToken)
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{
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using HttpClient client = new HttpClient();
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return credential;
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}
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Dictionary<string, string> requestBody = new Dictionary<string, string>
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{
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{ "client_id", clientSecrets.ClientId },
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{ "client_secret", clientSecrets.ClientSecret },
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{ "refresh_token", refreshToken },
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{ "grant_type", "refresh_token" }
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};
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public static async Task<UserCredential> RestoreUser(ClientSecrets clientSecrets, string refreshToken)
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{
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using HttpClient client = new HttpClient();
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HttpResponseMessage response = await client.PostAsync(refreshEndpoint, new FormUrlEncodedContent(requestBody));
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Dictionary<string, string> requestBody = new Dictionary<string, string>
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{
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{ "client_id", clientSecrets.ClientId },
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{ "client_secret", clientSecrets.ClientSecret },
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{ "refresh_token", refreshToken },
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{ "grant_type", "refresh_token" }
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};
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if (!response.IsSuccessStatusCode)
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throw new Exception(await response.Content.ReadAsStringAsync());
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HttpResponseMessage response = await client.PostAsync(refreshEndpoint, new FormUrlEncodedContent(requestBody));
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string responseString = await response.Content.ReadAsStringAsync();
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dynamic responseData = JsonConvert.DeserializeObject(responseString);
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if (!response.IsSuccessStatusCode)
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throw new Exception(await response.Content.ReadAsStringAsync());
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TokenResponse tokenResponse = new TokenResponse
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{
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AccessToken = responseData.access_token,
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ExpiresInSeconds = responseData.expires_in,
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RefreshToken = refreshToken,
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TokenType = responseData.token_type
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};
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string responseString = await response.Content.ReadAsStringAsync();
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dynamic responseData = JsonConvert.DeserializeObject(responseString);
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AuthorizationCodeFlow authorizationCodeFlow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
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{
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ClientSecrets = clientSecrets
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});
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TokenResponse tokenResponse = new TokenResponse
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{
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AccessToken = responseData.access_token,
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ExpiresInSeconds = responseData.expires_in,
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RefreshToken = refreshToken,
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TokenType = responseData.token_type
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};
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UserCredential credential = new UserCredential(authorizationCodeFlow, "user", tokenResponse);
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AuthorizationCodeFlow authorizationCodeFlow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
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{
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ClientSecrets = clientSecrets
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});
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return credential;
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}
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}
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}
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UserCredential credential = new UserCredential(authorizationCodeFlow, "user", tokenResponse);
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return credential;
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}
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}
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}
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@@ -0,0 +1,61 @@
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using Google.Apis.Auth.OAuth2.Flows;
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using Google.Apis.Auth.OAuth2.Responses;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace YouTube.Authorization
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{
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public class UserCredential : Google.Apis.Auth.OAuth2.UserCredential
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{
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/// <summary>
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/// Event is fired when new refresh token is recieved and the old one is no loger valid
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/// </summary>
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public event EventHandler RefreshTokenUpdated;
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/// <summary>Constructs a new credential instance.</summary>
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/// <param name="flow">Authorization code flow.</param>
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/// <param name="userId">User identifier.</param>
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/// <param name="token">An initial token for the user.</param>
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public UserCredential(IAuthorizationCodeFlow flow, string userId, TokenResponse token) : base(flow, userId, token) { }
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/// <summary>Constructs a new credential instance.</summary>
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/// <param name="flow">Authorization code flow.</param>
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/// <param name="userId">User identifier.</param>
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/// <param name="token">An initial token for the user.</param>
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/// <param name="quotaProjectId">The ID of the project associated
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/// to this credential for the purposes of quota calculation and billing. Can be null.</param>
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public UserCredential(IAuthorizationCodeFlow flow, string userId, TokenResponse token, string quotaProjectId) : base(flow, userId, token, quotaProjectId) { }
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/// <summary>
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/// Refreshes the token by calling to
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/// <see cref="Google.Apis.Auth.OAuth2.Flows.IAuthorizationCodeFlow.RefreshTokenAsync"/>.
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/// Then it updates the <see cref="TokenResponse"/> with the new token instance.
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/// </summary>
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/// <param name="taskCancellationToken">Cancellation token to cancel an operation.</param>
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/// <returns><c>true</c> if the token was refreshed.</returns>
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public new async Task<bool> RefreshTokenAsync(CancellationToken taskCancellationToken)
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{
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if (Token.RefreshToken == null)
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{
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Logger.Warning("Refresh token is null, can't refresh the token!");
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return false;
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}
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// It's possible that two concurrent calls will be made to refresh the token, in that case the last one
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// will win.
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var newToken = await Flow.RefreshTokenAsync(UserId, Token.RefreshToken, taskCancellationToken)
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.ConfigureAwait(false);
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Logger.Info("Access token was refreshed successfully");
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if (newToken.RefreshToken == null)
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newToken.RefreshToken = Token.RefreshToken;
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Token = newToken;
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RefreshTokenUpdated?.Invoke(this, null);
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return true;
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}
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}
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}
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@@ -21,15 +21,15 @@
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="AngleSharp" Version="0.13.0" />
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<PackageReference Include="Google.Apis" Version="1.42.0" />
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<PackageReference Include="Google.Apis.Auth" Version="1.42.0" />
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<PackageReference Include="Google.Apis.Core" Version="1.42.0" />
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<PackageReference Include="Google.Apis.Oauth2.v2" Version="1.42.0.1602" />
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<PackageReference Include="Google.Apis.YouTube.v3" Version="1.42.0.1758" />
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<PackageReference Include="AngleSharp" Version="0.14.0" />
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<PackageReference Include="Google.Apis" Version="1.45.0" />
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<PackageReference Include="Google.Apis.Auth" Version="1.45.0" />
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<PackageReference Include="Google.Apis.Core" Version="1.45.0" />
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<PackageReference Include="Google.Apis.Oauth2.v2" Version="1.45.0.1869" />
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<PackageReference Include="Google.Apis.YouTube.v3" Version="1.45.0.1918" />
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<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
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<PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="all" />
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<PackageReference Include="YoutubeExplode" Version="4.7.10" />
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<PackageReference Include="YoutubeExplode" Version="4.7.16" />
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</ItemGroup>
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<ItemGroup>
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