mirror of
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189 lines
No EOL
6.6 KiB
C#
189 lines
No EOL
6.6 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2007-2014 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using HelpersLib;
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using Newtonsoft.Json;
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using System.Collections.Generic;
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using UploadersLib.HelperClasses;
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namespace UploadersLib.URLShorteners
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{
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public class GoogleURLShortener : URLShortener, IOAuth2
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{
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public AccountType UploadMethod { get; set; }
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public string AnonymousKey { get; set; }
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public OAuth2Info AuthInfo { get; set; }
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public GoogleURLShortener(AccountType uploadMethod, string anonymousKey, OAuth2Info oauth)
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{
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UploadMethod = uploadMethod;
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AnonymousKey = anonymousKey;
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AuthInfo = oauth;
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}
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public GoogleURLShortener(string anonymousKey)
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{
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UploadMethod = AccountType.Anonymous;
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AnonymousKey = anonymousKey;
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}
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public GoogleURLShortener(OAuth2Info oauth)
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{
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UploadMethod = AccountType.User;
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AuthInfo = oauth;
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}
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public string GetAuthorizationURL()
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{
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return string.Format("https://accounts.google.com/o/oauth2/auth?response_type={0}&client_id={1}&redirect_uri={2}&scope={3}",
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"code", AuthInfo.Client_ID, "urn:ietf:wg:oauth:2.0:oob", URLHelpers.URLEncode("https://www.googleapis.com/auth/urlshortener"));
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}
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public bool GetAccessToken(string code)
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{
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Dictionary<string, string> args = new Dictionary<string, string>();
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args.Add("code", code);
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args.Add("client_id", AuthInfo.Client_ID);
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args.Add("client_secret", AuthInfo.Client_Secret);
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args.Add("redirect_uri", "urn:ietf:wg:oauth:2.0:oob");
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args.Add("grant_type", "authorization_code");
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string response = SendRequest(HttpMethod.POST, "https://accounts.google.com/o/oauth2/token", args);
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if (!string.IsNullOrEmpty(response))
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{
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OAuth2Token token = JsonConvert.DeserializeObject<OAuth2Token>(response);
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if (token != null && !string.IsNullOrEmpty(token.access_token))
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{
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token.UpdateExpireDate();
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AuthInfo.Token = token;
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return true;
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}
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}
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return false;
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}
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public bool RefreshAccessToken()
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{
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if (OAuth2Info.CheckOAuth(AuthInfo) && !string.IsNullOrEmpty(AuthInfo.Token.refresh_token))
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{
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Dictionary<string, string> args = new Dictionary<string, string>();
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args.Add("refresh_token", AuthInfo.Token.refresh_token);
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args.Add("client_id", AuthInfo.Client_ID);
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args.Add("client_secret", AuthInfo.Client_Secret);
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args.Add("grant_type", "refresh_token");
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string response = SendRequest(HttpMethod.POST, "https://accounts.google.com/o/oauth2/token", args);
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if (!string.IsNullOrEmpty(response))
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{
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OAuth2Token token = JsonConvert.DeserializeObject<OAuth2Token>(response);
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if (token != null && !string.IsNullOrEmpty(token.access_token))
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{
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token.UpdateExpireDate();
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string refresh_token = AuthInfo.Token.refresh_token;
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AuthInfo.Token = token;
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AuthInfo.Token.refresh_token = refresh_token;
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return true;
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}
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}
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}
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return false;
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}
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public bool CheckAuthorization()
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{
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if (OAuth2Info.CheckOAuth(AuthInfo))
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{
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if (AuthInfo.Token.IsExpired && !RefreshAccessToken())
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{
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Errors.Add("Refresh access token failed.");
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return false;
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}
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}
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else
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{
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Errors.Add("Login is required.");
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return false;
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}
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return true;
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}
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public override UploadResult ShortenURL(string url)
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{
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UploadResult result = new UploadResult { URL = url };
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if (!string.IsNullOrEmpty(url))
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{
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string query;
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switch (UploadMethod)
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{
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default:
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case AccountType.Anonymous:
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query = string.Format("https://www.googleapis.com/urlshortener/v1/url?key={0}", AnonymousKey);
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break;
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case AccountType.User:
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if (!CheckAuthorization())
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{
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return null;
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}
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query = string.Format("https://www.googleapis.com/urlshortener/v1/url?access_token={0}", AuthInfo.Token.access_token);
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break;
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}
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string json = string.Format("{{\"longUrl\":\"{0}\"}}", url);
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result.Response = SendRequestJSON(query, json);
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if (!string.IsNullOrEmpty(result.Response))
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{
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GoogleURLShortenerResponse response = JsonConvert.DeserializeObject<GoogleURLShortenerResponse>(result.Response);
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if (response != null)
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{
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result.ShortenedURL = response.id;
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}
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}
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}
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return result;
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}
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}
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public class GoogleURLShortenerResponse
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{
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public string kind { get; set; }
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public string id { get; set; }
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public string longUrl { get; set; }
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public string status { get; set; }
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}
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} |