749 lines
27 KiB
C#
749 lines
27 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Web;
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using ASC.Common.Logging;
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using ASC.Core;
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using ASC.Data.Storage.Configuration;
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using ASC.Security.Cryptography;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Options;
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using net.openstack.Core.Domain;
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using net.openstack.Providers.Rackspace;
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using MimeMapping = ASC.Common.Web.MimeMapping;
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namespace ASC.Data.Storage.RackspaceCloud
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{
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public class RackspaceCloudStorage : BaseStorage
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{
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private string _region;
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private string _private_container;
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private string _public_container;
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private readonly List<string> _domains = new List<string>();
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private Dictionary<string, ACL> _domainsAcl;
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private ACL _moduleAcl;
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private string _subDir;
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private string _username;
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private string _apiKey;
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private bool _lowerCasing = true;
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private Uri _cname;
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private Uri _cnameSSL;
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private readonly ILog _logger;
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public RackspaceCloudStorage(
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TenantManager tenantManager,
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PathUtils pathUtils,
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EmailValidationKeyProvider emailValidationKeyProvider,
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IHttpContextAccessor httpContextAccessor,
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IOptionsMonitor<ILog> options)
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: base(tenantManager, pathUtils, emailValidationKeyProvider, httpContextAccessor, options)
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{
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_logger = options.Get("ASC.Data.Storage.Rackspace.RackspaceCloudStorage");
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}
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private string MakePath(string domain, string path)
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{
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string result;
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path = path.TrimStart('\\', '/').TrimEnd('/').Replace('\\', '/');
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if (!string.IsNullOrEmpty(_subDir))
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{
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if (_subDir.Length == 1 && (_subDir[0] == '/' || _subDir[0] == '\\'))
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result = path;
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else
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result = string.Format("{0}/{1}", _subDir, path); // Ignory all, if _subDir is not null
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}
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else//Key combined from module+domain+filename
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result = string.Format("{0}/{1}/{2}/{3}",
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_tenant,
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_modulename,
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domain,
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path);
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result = result.Replace("//", "/").TrimStart('/');
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if (_lowerCasing)
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{
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result = result.ToLowerInvariant();
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}
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return result;
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}
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private CloudFilesProvider GetClient()
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{
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var cloudIdentity = new CloudIdentity()
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{
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Username = _username,
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APIKey = _apiKey
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};
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return new CloudFilesProvider(cloudIdentity);
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}
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public override IDataStore Configure(string tenant, Handler handlerConfig, Module moduleConfig, IDictionary<string, string> props)
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{
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_tenant = tenant;
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if (moduleConfig != null)
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{
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_modulename = moduleConfig.Name;
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_dataList = new DataList(moduleConfig);
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_domains.AddRange(moduleConfig.Domain.Select(x => string.Format("{0}/", x.Name)));
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_domainsExpires = moduleConfig.Domain.Where(x => x.Expires != TimeSpan.Zero).ToDictionary(x => x.Name, y => y.Expires);
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_domainsExpires.Add(string.Empty, moduleConfig.Expires);
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_domainsAcl = moduleConfig.Domain.ToDictionary(x => x.Name, y => y.Acl);
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_moduleAcl = moduleConfig.Acl;
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}
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else
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{
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_modulename = string.Empty;
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_dataList = null;
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_domainsExpires = new Dictionary<string, TimeSpan> { { string.Empty, TimeSpan.Zero } };
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_domainsAcl = new Dictionary<string, ACL>();
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_moduleAcl = ACL.Auto;
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}
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_private_container = props["private_container"];
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_region = props["region"];
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_apiKey = props["apiKey"];
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_username = props["username"];
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if (props.ContainsKey("lower"))
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{
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bool.TryParse(props["lower"], out _lowerCasing);
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}
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if (props.ContainsKey("subdir"))
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{
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_subDir = props["subdir"];
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}
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_public_container = props["public_container"];
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if (string.IsNullOrEmpty(_public_container))
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throw new ArgumentException("_public_container");
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var client = GetClient();
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var cdnHeaders = client.GetContainerCDNHeader(_public_container, _region);
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_cname = props.ContainsKey("cname") && Uri.IsWellFormedUriString(props["cname"], UriKind.Absolute)
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? new Uri(props["cname"], UriKind.Absolute)
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: new Uri(cdnHeaders.CDNUri);
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_cnameSSL = props.ContainsKey("cnamessl") &&
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Uri.IsWellFormedUriString(props["cnamessl"], UriKind.Absolute)
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? new Uri(props["cnamessl"], UriKind.Absolute)
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: new Uri(cdnHeaders.CDNSslUri);
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return this;
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}
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public override Uri GetInternalUri(string domain, string path, TimeSpan expire, IEnumerable<string> headers)
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{
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if (expire == TimeSpan.Zero || expire == TimeSpan.MinValue || expire == TimeSpan.MaxValue)
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{
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expire = GetExpire(domain);
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}
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if (expire == TimeSpan.Zero || expire == TimeSpan.MinValue || expire == TimeSpan.MaxValue)
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{
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return GetUriShared(domain, path);
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}
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var client = GetClient();
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var accounMetaData = client.GetAccountMetaData(_region);
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string secretKey;
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if (accounMetaData.ContainsKey("Temp-Url-Key"))
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{
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secretKey = accounMetaData["Temp-Url-Key"];
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}
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else
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{
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secretKey = ASC.Common.Utils.RandomString.Generate(64);
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accounMetaData.Add("Temp-Url-Key", secretKey);
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client.UpdateAccountMetadata(accounMetaData, _region);
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}
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return client.CreateTemporaryPublicUri(
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JSIStudios.SimpleRESTServices.Client.HttpMethod.GET,
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_private_container,
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MakePath(domain, path),
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secretKey,
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DateTime.UtcNow.Add(expire),
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_region);
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}
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private Uri GetUriShared(string domain, string path)
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{
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return new Uri(string.Format("{0}{1}", SecureHelper.IsSecure(HttpContextAccessor?.HttpContext, Options) ? _cnameSSL : _cname, MakePath(domain, path)));
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}
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public override Stream GetReadStream(string domain, string path)
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{
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return GetReadStream(domain, path, 0);
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}
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public override Stream GetReadStream(string domain, string path, int offset)
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{
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var outputStream = TempStream.Create();
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var client = GetClient();
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client.GetObject(_private_container, MakePath(domain, path), outputStream);
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outputStream.Position = 0;
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if (0 < offset) outputStream.Seek(Convert.ToInt64(offset), SeekOrigin.Begin);
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return outputStream;
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}
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public override Uri Save(string domain, string path, Stream stream)
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{
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return Save(domain, path, stream, string.Empty, string.Empty);
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}
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public override Uri Save(string domain, string path, Stream stream, ACL acl)
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{
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return Save(domain, path, stream, null, null, acl);
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}
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protected override Uri SaveWithAutoAttachment(string domain, string path, Stream stream, string attachmentFileName)
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{
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var contentDisposition = string.Format("attachment; filename={0};",
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HttpUtility.UrlPathEncode(attachmentFileName));
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if (attachmentFileName.Any(c => (int)c >= 0 && (int)c <= 127))
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{
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contentDisposition = string.Format("attachment; filename*=utf-8''{0};",
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HttpUtility.UrlPathEncode(attachmentFileName));
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}
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return Save(domain, path, stream, null, contentDisposition);
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}
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public override Uri Save(string domain, string path, Stream stream, string contentType, string contentDisposition)
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{
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return Save(domain, path, stream, contentType, contentDisposition, ACL.Auto);
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}
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public override Uri Save(string domain, string path, Stream stream, string contentEncoding, int cacheDays)
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{
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return Save(domain, path, stream, string.Empty, string.Empty, ACL.Auto, contentEncoding, cacheDays);
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}
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public Uri Save(string domain, string path, Stream stream, string contentType,
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string contentDisposition, ACL acl, string contentEncoding = null, int cacheDays = 5,
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DateTime? deleteAt = null, long? deleteAfter = null)
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{
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var buffered = stream.GetBuffered();
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if (QuotaController != null)
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{
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QuotaController.QuotaUsedCheck(buffered.Length);
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}
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var client = GetClient();
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var mime = string.IsNullOrEmpty(contentType)
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? MimeMapping.GetMimeMapping(Path.GetFileName(path))
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: contentType;
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if (mime == "application/octet-stream")
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{
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contentDisposition = "attachment";
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}
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var customHeaders = new Dictionary<string, string>();
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if (cacheDays > 0)
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{
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customHeaders.Add("Cache-Control", string.Format("public, maxage={0}", (int)TimeSpan.FromDays(cacheDays).TotalSeconds));
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customHeaders.Add("Expires", DateTime.UtcNow.Add(TimeSpan.FromDays(cacheDays)).ToString());
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}
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if (deleteAt.HasValue)
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{
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var ts = deleteAt.Value - new DateTime(1970, 1, 1, 0, 0, 0);
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var unixTimestamp = (long)ts.TotalSeconds;
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customHeaders.Add("X-Delete-At", unixTimestamp.ToString());
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}
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if (deleteAfter.HasValue)
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{
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customHeaders.Add("X-Delete-After", deleteAfter.ToString());
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}
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if (!string.IsNullOrEmpty(contentEncoding))
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customHeaders.Add("Content-Encoding", contentEncoding);
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var cannedACL = acl == ACL.Auto ? GetDomainACL(domain) : ACL.Read;
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if (cannedACL == ACL.Read)
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{
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try
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{
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using (var emptyStream = TempStream.Create())
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{
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var headers = new Dictionary<string, string>
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{
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{ "X-Object-Manifest", string.Format("{0}/{1}", _private_container, MakePath(domain, path)) }
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};
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// create symlink
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client.CreateObject(_public_container,
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emptyStream,
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MakePath(domain, path),
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mime,
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4096,
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headers,
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_region
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);
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emptyStream.Close();
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}
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client.PurgeObjectFromCDN(_public_container, MakePath(domain, path));
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}
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catch (Exception exp)
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{
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_logger.InfoFormat("The invalidation {0} failed", _public_container + "/" + MakePath(domain, path));
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_logger.Error(exp);
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}
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}
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stream.Position = 0;
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client.CreateObject(_private_container,
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stream,
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MakePath(domain, path),
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mime,
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4096,
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customHeaders,
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_region
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);
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QuotaUsedAdd(domain, buffered.Length);
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return GetUri(domain, path);
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}
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private ACL GetDomainACL(string domain)
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{
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if (GetExpire(domain) != TimeSpan.Zero)
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{
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return ACL.Auto;
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}
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if (_domainsAcl.ContainsKey(domain))
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{
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return _domainsAcl[domain];
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}
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return _moduleAcl;
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}
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public override void Delete(string domain, string path)
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{
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var client = GetClient();
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MakePath(domain, path);
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var size = GetFileSize(domain, path);
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client.DeleteObject(_private_container, MakePath(domain, path));
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QuotaUsedDelete(domain, size);
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}
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public override void DeleteFiles(string domain, string folderPath, string pattern, bool recursive)
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{
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var client = GetClient();
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var files = client.ListObjects(_private_container, null, null, null, MakePath(domain, folderPath), _region)
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.Where(x => Wildcard.IsMatch(pattern, Path.GetFileName(x.Name)));
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if (!files.Any()) return;
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files.ToList().ForEach(x => client.DeleteObject(_private_container, x.Name));
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if (QuotaController != null)
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{
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QuotaUsedDelete(domain, files.Select(x => x.Bytes).Sum());
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}
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}
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public override void DeleteFiles(string domain, List<string> paths)
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{
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if (!paths.Any()) return;
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var keysToDel = new List<string>();
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long quotaUsed = 0;
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foreach (var path in paths)
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{
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try
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{
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var key = MakePath(domain, path);
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if (QuotaController != null)
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{
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quotaUsed += GetFileSize(domain, path);
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}
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keysToDel.Add(key);
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}
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catch (FileNotFoundException)
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{
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}
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}
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if (!keysToDel.Any()) return;
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var client = GetClient();
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keysToDel.ForEach(x => client.DeleteObject(_private_container, x));
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if (quotaUsed > 0)
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{
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QuotaUsedDelete(domain, quotaUsed);
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}
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}
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public override void DeleteFiles(string domain, string folderPath, DateTime fromDate, DateTime toDate)
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{
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var client = GetClient();
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var files = client.ListObjects(_private_container, null, null, null, MakePath(domain, folderPath), _region)
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.Where(x => x.LastModified >= fromDate && x.LastModified <= toDate);
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if (!files.Any()) return;
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files.ToList().ForEach(x => client.DeleteObject(_private_container, x.Name));
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if (QuotaController != null)
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{
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QuotaUsedDelete(domain, files.Select(x => x.Bytes).Sum());
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}
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}
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public override void MoveDirectory(string srcdomain, string srcdir, string newdomain, string newdir)
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{
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var client = GetClient();
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var srckey = MakePath(srcdomain, srcdir);
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var dstkey = MakePath(newdomain, newdir);
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var paths = client.ListObjects(_private_container, null, null, srckey, _region).Select(x => x.Name);
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foreach (var path in paths)
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{
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client.CopyObject(_private_container, path, _private_container, path.Replace(srckey, dstkey));
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client.DeleteObject(_private_container, path);
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}
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}
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public override Uri Move(string srcdomain, string srcpath, string newdomain, string newpath)
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{
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var srcKey = MakePath(srcdomain, srcpath);
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var dstKey = MakePath(newdomain, newpath);
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var size = GetFileSize(srcdomain, srcpath);
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var client = GetClient();
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client.CopyObject(_private_container, srcKey, _private_container, dstKey);
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Delete(srcdomain, srcpath);
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QuotaUsedDelete(srcdomain, size);
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QuotaUsedAdd(newdomain, size);
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return GetUri(newdomain, newpath);
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}
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public override Uri SaveTemp(string domain, out string assignedPath, Stream stream)
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{
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assignedPath = Guid.NewGuid().ToString();
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return Save(domain, assignedPath, stream);
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}
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public override string[] ListDirectoriesRelative(string domain, string path, bool recursive)
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{
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var client = GetClient();
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return client.ListObjects(_private_container, null, null, null, MakePath(domain, path), _region)
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.Select(x => x.Name.Substring(MakePath(domain, path + "/").Length)).ToArray();
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}
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public override string[] ListFilesRelative(string domain, string path, string pattern, bool recursive)
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{
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var paths = new List<string>();
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var client = GetClient();
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paths = client.ListObjects(_private_container, null, null, null, MakePath(domain, path), _region).Select(x => x.Name).ToList();
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return paths
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.Where(x => Wildcard.IsMatch(pattern, Path.GetFileName(x)))
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.Select(x => x.Substring(MakePath(domain, path + "/").Length).TrimStart('/')).ToArray();
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}
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public override bool IsFile(string domain, string path)
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{
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var client = GetClient();
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var objects = client.ListObjects(_private_container, null, null, null, MakePath(domain, path), _region);
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return objects.Count() > 0;
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}
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public override bool IsDirectory(string domain, string path)
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{
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return IsFile(domain, path);
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}
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public override void DeleteDirectory(string domain, string path)
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{
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var client = GetClient();
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var objToDel = client.ListObjects(_private_container, null, null, null, MakePath(domain, path), _region);
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foreach (var obj in objToDel)
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{
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client.DeleteObject(_private_container, obj.Name);
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QuotaUsedDelete(domain, Convert.ToInt64(obj.Bytes));
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}
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}
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|
public override long GetFileSize(string domain, string path)
|
|
{
|
|
var client = GetClient();
|
|
|
|
var obj = client
|
|
.ListObjects(_private_container, null, null, null, MakePath(domain, path));
|
|
|
|
if (obj.Any())
|
|
return obj.Single().Bytes;
|
|
|
|
return 0;
|
|
}
|
|
|
|
public override long GetDirectorySize(string domain, string path)
|
|
{
|
|
var client = GetClient();
|
|
|
|
var objToDel = client
|
|
.ListObjects(_private_container, null, null, null, MakePath(domain, path));
|
|
|
|
long result = 0;
|
|
|
|
foreach (var obj in objToDel)
|
|
{
|
|
result += obj.Bytes;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
public override long ResetQuota(string domain)
|
|
{
|
|
var client = GetClient();
|
|
|
|
var objects = client
|
|
.ListObjects(_private_container, null, null, null, MakePath(domain, string.Empty), _region);
|
|
|
|
if (QuotaController != null)
|
|
{
|
|
long size = 0;
|
|
|
|
foreach (var obj in objects)
|
|
{
|
|
size += obj.Bytes;
|
|
}
|
|
|
|
QuotaController.QuotaUsedSet(_modulename, domain, _dataList.GetData(domain), size);
|
|
|
|
return size;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
public override long GetUsedQuota(string domain)
|
|
{
|
|
var client = GetClient();
|
|
|
|
var objects = client
|
|
.ListObjects(_private_container, null, null, null, MakePath(domain, string.Empty), _region);
|
|
|
|
long result = 0;
|
|
|
|
foreach (var obj in objects)
|
|
{
|
|
result += obj.Bytes;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
public override Uri Copy(string srcdomain, string path, string newdomain, string newpath)
|
|
{
|
|
var srcKey = MakePath(srcdomain, path);
|
|
var dstKey = MakePath(newdomain, newpath);
|
|
var size = GetFileSize(srcdomain, path);
|
|
var client = GetClient();
|
|
|
|
client.CopyObject(_private_container, srcKey, _private_container, dstKey);
|
|
|
|
QuotaUsedAdd(newdomain, size);
|
|
|
|
return GetUri(newdomain, newpath);
|
|
}
|
|
|
|
public override void CopyDirectory(string srcdomain, string dir, string newdomain, string newdir)
|
|
{
|
|
var srckey = MakePath(srcdomain, dir);
|
|
var dstkey = MakePath(newdomain, newdir);
|
|
var client = GetClient();
|
|
|
|
var files = client.ListObjects(_private_container, null, null, null, srckey, _region);
|
|
|
|
foreach (var file in files)
|
|
{
|
|
client.CopyObject(_private_container, file.Name, _private_container, file.Name.Replace(srckey, dstkey));
|
|
|
|
QuotaUsedAdd(newdomain, file.Bytes);
|
|
}
|
|
}
|
|
|
|
public override string SavePrivate(string domain, string path, Stream stream, DateTime expires)
|
|
{
|
|
var uri = Save(domain, path, stream, "application/octet-stream", "attachment", ACL.Auto, null, 5, expires);
|
|
|
|
return uri.ToString();
|
|
}
|
|
|
|
public override void DeleteExpired(string domain, string path, TimeSpan oldThreshold)
|
|
{
|
|
// When the file is saved is specified life time
|
|
}
|
|
|
|
public override string GetUploadForm(string domain, string directoryPath, string redirectTo, long maxUploadSize, string contentType, string contentDisposition, string submitLabel)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetUploadedUrl(string domain, string directoryPath)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetUploadUrl()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetPostParams(string domain, string directoryPath, long maxUploadSize, string contentType, string contentDisposition)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
#region chunking
|
|
|
|
public override string InitiateChunkedUpload(string domain, string path)
|
|
{
|
|
return Path.GetTempFileName();
|
|
}
|
|
|
|
public override string UploadChunk(string domain, string path, string filePath, Stream stream, long defaultChunkSize, int chunkNumber, long chunkLength)
|
|
{
|
|
var BufferSize = 4096;
|
|
|
|
var mode = chunkNumber == 0 ? FileMode.Create : FileMode.Append;
|
|
|
|
using (var fs = new FileStream(filePath, mode))
|
|
{
|
|
var buffer = new byte[BufferSize];
|
|
int readed;
|
|
while ((readed = stream.Read(buffer, 0, BufferSize)) != 0)
|
|
{
|
|
fs.Write(buffer, 0, readed);
|
|
}
|
|
}
|
|
|
|
return string.Format("{0}_{1}", chunkNumber, filePath);
|
|
}
|
|
|
|
public override void AbortChunkedUpload(string domain, string path, string filePath)
|
|
{
|
|
if (File.Exists(filePath))
|
|
{
|
|
File.Delete(filePath);
|
|
}
|
|
}
|
|
|
|
public override Uri FinalizeChunkedUpload(string domain, string path, string filePath, Dictionary<int, string> eTags)
|
|
{
|
|
var client = GetClient();
|
|
|
|
client.CreateObjectFromFile(_private_container, filePath, MakePath(domain, path));
|
|
|
|
if (File.Exists(filePath))
|
|
{
|
|
File.Delete(filePath);
|
|
}
|
|
|
|
if (QuotaController != null)
|
|
{
|
|
var size = GetFileSize(domain, path);
|
|
|
|
QuotaUsedAdd(domain, size);
|
|
}
|
|
|
|
return GetUri(domain, path);
|
|
}
|
|
|
|
public override bool IsSupportChunking { get { return true; } }
|
|
|
|
#endregion
|
|
}
|
|
}
|