#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2018 ShareX Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at .
*/
#endregion License Information (GPL v3)
/* https://github.com/matthewburnett */
using Newtonsoft.Json;
using ShareX.HelpersLib;
using ShareX.UploadersLib.Properties;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
namespace ShareX.UploadersLib.FileUploaders
{
public class GoogleCloudStorageNewFileUploaderService : FileUploaderService
{
public override FileDestination EnumValue { get; } = FileDestination.GoogleCloudStorage;
public override Image ServiceImage => Resources.GoogleCloudStorage;
public override bool CheckConfig(UploadersConfig config)
{
return OAuth2Info.CheckOAuth(config.GoogleCloudStorageOAuth2Info) && !string.IsNullOrEmpty(config.GoogleCloudStorageBucket);
}
public override GenericUploader CreateUploader(UploadersConfig config, TaskReferenceHelper taskInfo)
{
return new GoogleCloudStorage(config.GoogleCloudStorageOAuth2Info)
{
bucket = config.GoogleCloudStorageBucket,
domain = config.GoogleCloudStorageDomain,
prefix = config.GoogleCloudStorageObjectPrefix
};
}
public override TabPage GetUploadersConfigTabPage(UploadersConfigForm form) => form.tpGoogleCloudStorage;
}
public sealed class GoogleCloudStorage : FileUploader, IOAuth2
{
public OAuth2Info AuthInfo => googleAuth.AuthInfo;
private GoogleOAuth2 googleAuth;
public GoogleCloudStorage(OAuth2Info oauth)
{
googleAuth = new GoogleOAuth2(oauth, this)
{
Scope = "https://www.googleapis.com/auth/devstorage.full_control"
};
}
public bool RefreshAccessToken()
{
return googleAuth.RefreshAccessToken();
}
public bool CheckAuthorization()
{
return googleAuth.CheckAuthorization();
}
public string GetAuthorizationURL()
{
return googleAuth.GetAuthorizationURL();
}
public bool GetAccessToken(string code)
{
return googleAuth.GetAccessToken(code);
}
private string GetUploadPath(string fileName)
{
string path = NameParser.Parse(NameParserType.FolderPath, prefix.Trim('/'));
return URLHelpers.CombineURL(path, fileName);
}
public class GoogleCloudStorageResponse
{
public string name { get; set; }
}
public class Metadata
{
public string name { get; set; }
public Acl[] acl { get; set; }
}
public class Acl
{
public string entity { get; set; }
public string role { get; set; }
}
public string bucket { get; set; }
public string domain { get; set; }
public string prefix { get; set; }
public override UploadResult Upload(Stream stream, string fileName)
{
if (!CheckAuthorization()) return null;
string uploadpath = GetUploadPath(fileName);
if (string.IsNullOrEmpty(domain))
{
domain = $"storage.googleapis.com/{bucket}";
}
Metadata metadata = new Metadata
{
name = uploadpath,
acl = new Acl[]
{
new Acl
{
entity = "allUsers",
role = "READER"
}
}
};
string metadatajson = JsonConvert.SerializeObject(metadata);
UploadResult result = SendRequestFile($"https://www.googleapis.com/upload/storage/v1/b/{bucket}/o?uploadType=multipart", stream, fileName,
headers: googleAuth.GetAuthHeaders(), contentType: "multipart/related", metadata: metadatajson);
GoogleCloudStorageResponse upload = JsonConvert.DeserializeObject(result.Response);
if (upload.name != uploadpath)
{
Errors.Add("Upload failed.");
return null;
}
result.URL = $"https://{domain}/{uploadpath}";
return result;
}
}
}