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https://github.com/ShareX/ShareX.git
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194 lines
No EOL
6.8 KiB
C#
194 lines
No EOL
6.8 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 System.Collections.Specialized;
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using System.IO;
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using UploadersLib.HelperClasses;
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namespace UploadersLib.FileUploaders
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{
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public sealed class GoogleDrive : FileUploader, IOAuth2
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{
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public OAuth2Info AuthInfo { get; set; }
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public bool IsPublic { get; set; }
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public GoogleDrive(OAuth2Info oauth)
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{
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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", Helpers.URLEncode("https://www.googleapis.com/auth/drive"));
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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 void SetPermissions(string fileID, GoogleDrivePermissionRole role, GoogleDrivePermissionType type, string value, bool withLink)
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{
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NameValueCollection headers = new NameValueCollection();
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headers.Add("Authorization", "Bearer " + AuthInfo.Token.access_token);
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string url = string.Format("https://www.googleapis.com/drive/v2/files/{0}/permissions", fileID);
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string json = JsonConvert.SerializeObject(new
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{
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role = role.ToString(),
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type = type.ToString(),
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value = value,
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withLink = withLink.ToString()
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});
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string response = SendPostRequestJSON(url, json, headers: headers);
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}
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public override UploadResult Upload(Stream stream, string fileName)
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{
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if (!CheckAuthorization())
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{
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return null;
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}
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NameValueCollection headers = new NameValueCollection();
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headers.Add("Authorization", "Bearer " + AuthInfo.Token.access_token);
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Dictionary<string, string> args = new Dictionary<string, string>();
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args.Add("title", fileName);
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UploadResult result = UploadData(stream, "https://www.googleapis.com/upload/drive/v2/files", fileName, "file", args, headers: headers);
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if (!string.IsNullOrEmpty(result.Response))
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{
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GoogleDriveUpload upload = JsonConvert.DeserializeObject<GoogleDriveUpload>(result.Response);
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if (upload != null)
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{
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if (IsPublic)
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{
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AllowReportProgress = false;
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SetPermissions(upload.id, GoogleDrivePermissionRole.reader, GoogleDrivePermissionType.anyone, "", true);
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}
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result.URL = upload.alternateLink;
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}
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}
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return result;
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}
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public class GoogleDriveUpload
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{
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public string id { get; set; }
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public string alternateLink { get; set; }
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}
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public enum GoogleDrivePermissionRole
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{
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owner, reader, writer
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}
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public enum GoogleDrivePermissionType
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{
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user, group, domain, anyone
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}
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}
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} |