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314 lines
No EOL
10 KiB
C#
314 lines
No EOL
10 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) 2007-2016 ShareX Team
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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 Newtonsoft.Json;
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using ShareX.UploadersLib.Properties;
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Drawing;
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using System.IO;
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using System.Web;
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using System.Windows.Forms;
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namespace ShareX.UploadersLib.FileUploaders
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{
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public class GoogleDriveFileUploaderService : FileUploaderService
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{
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public override FileDestination EnumValue { get; } = FileDestination.GoogleDrive;
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public override Icon ServiceIcon => Resources.GoogleDrive;
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public override bool CheckConfig(UploadersConfig config)
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{
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return OAuth2Info.CheckOAuth(config.GoogleDriveOAuth2Info);
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}
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public override GenericUploader CreateUploader(UploadersConfig config, TaskReferenceHelper taskInfo)
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{
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return new GoogleDrive(config.GoogleDriveOAuth2Info)
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{
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IsPublic = config.GoogleDriveIsPublic,
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DirectLink = config.GoogleDriveDirectLink,
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FolderID = config.GoogleDriveUseFolder ? config.GoogleDriveFolderID : null
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};
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}
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public override TabPage GetUploadersConfigTabPage(UploadersConfigForm form) => form.tpGoogleDrive;
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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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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 bool DirectLink { get; set; }
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public string FolderID { 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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Dictionary<string, string> args = new Dictionary<string, string>();
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args.Add("response_type", "code");
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args.Add("client_id", AuthInfo.Client_ID);
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args.Add("redirect_uri", "urn:ietf:wg:oauth:2.0:oob");
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args.Add("scope", "https://www.googleapis.com/auth/drive");
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return CreateQuery("https://accounts.google.com/o/oauth2/auth", args);
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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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private NameValueCollection GetAuthHeaders()
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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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return headers;
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}
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private string GetMetadata(string title, string parentID)
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{
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object metadata;
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if (!string.IsNullOrEmpty(parentID))
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{
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metadata = new
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{
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title = title,
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parents = new[]
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{
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new
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{
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id = parentID
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}
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}
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};
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}
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else
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{
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metadata = new
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{
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title = title
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};
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}
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return JsonConvert.SerializeObject(metadata);
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}
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private void SetPermissions(string fileID, GoogleDrivePermissionRole role, GoogleDrivePermissionType type, string value, bool withLink)
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{
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if (!CheckAuthorization()) return;
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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 = SendRequest(HttpMethod.POST, url, json, ContentTypeJSON, null, GetAuthHeaders());
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}
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public List<GoogleDriveFile> GetFolders(bool trashed = false, bool writer = true)
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{
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if (!CheckAuthorization()) return null;
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string query = "mimeType = 'application/vnd.google-apps.folder'";
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if (!trashed)
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{
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query += " and trashed = false";
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}
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if (writer)
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{
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query += " and 'me' in writers";
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}
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Dictionary<string, string> args = new Dictionary<string, string>();
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args.Add("q", query);
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string response = SendRequest(HttpMethod.GET, "https://www.googleapis.com/drive/v2/files", args, GetAuthHeaders());
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if (!string.IsNullOrEmpty(response))
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{
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GoogleDriveFileList fileList = JsonConvert.DeserializeObject<GoogleDriveFileList>(response);
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if (fileList != null)
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{
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return fileList.items;
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}
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}
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return null;
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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()) return null;
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string metadata = GetMetadata(fileName, FolderID);
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UploadResult result = UploadData("https://www.googleapis.com/upload/drive/v2/files?uploadType=multipart", stream, fileName, headers: GetAuthHeaders(),
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contentType: "multipart/related", metadata: metadata);
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if (!string.IsNullOrEmpty(result.Response))
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{
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GoogleDriveFile upload = JsonConvert.DeserializeObject<GoogleDriveFile>(result.Response);
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if (upload != null)
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{
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AllowReportProgress = false;
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if (IsPublic)
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{
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SetPermissions(upload.id, GoogleDrivePermissionRole.reader, GoogleDrivePermissionType.anyone, "", true);
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}
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if (DirectLink)
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{
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Uri webContentLink = new Uri(upload.webContentLink);
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string leftPart = webContentLink.GetLeftPart(UriPartial.Path);
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NameValueCollection queryString = HttpUtility.ParseQueryString(webContentLink.Query);
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queryString.Remove("export");
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result.URL = $"{leftPart}?{queryString}";
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}
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else
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{
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result.URL = upload.alternateLink;
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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 GoogleDriveFile
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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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public string webContentLink { get; set; }
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public string title { get; set; }
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public string description { get; set; }
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}
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public class GoogleDriveFileList
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{
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public List<GoogleDriveFile> items { get; set; }
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}
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} |