root / trunk / Pithos.Network / CloudFilesClient.cs @ dc18b138
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#region |
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/* ----------------------------------------------------------------------- |
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* <copyright file="CloudFilesClient.cs" company="GRNet"> |
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* |
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* Copyright 2011-2012 GRNET S.A. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* |
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* The views and conclusions contained in the software and |
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* documentation are those of the authors and should not be |
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* interpreted as representing official policies, either expressed |
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* or implied, of GRNET S.A. |
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* </copyright> |
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* ----------------------------------------------------------------------- |
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*/ |
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#endregion |
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|
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// **CloudFilesClient** provides a simple client interface to CloudFiles and Pithos |
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// |
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// The class provides methods to upload/download files, delete files, manage containers |
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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.Collections.Specialized; |
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using System.ComponentModel.Composition; |
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using System.Diagnostics; |
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using System.Diagnostics.Contracts; |
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using System.IO; |
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using System.Linq; |
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using System.Net; |
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using System.Net.Http; |
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using System.Net.Http.Headers; |
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using System.Reflection; |
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using System.Threading; |
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using System.Threading.Tasks; |
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using Newtonsoft.Json; |
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using Pithos.Interfaces; |
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using Pithos.Network; |
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using log4net; |
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|
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namespace Pithos.Network |
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{ |
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|
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[Export(typeof(ICloudClient))] |
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public class CloudFilesClient:ICloudClient,IDisposable |
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{ |
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private const string TOKEN_HEADER = "X-Auth-Token"; |
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private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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|
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//CloudFilesClient uses *_baseClient* internally to communicate with the server |
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//RestClient provides a REST-friendly interface over the standard WebClient. |
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private RestClient _baseClient; |
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|
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private HttpClient _baseHttpClient; |
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private HttpClient _baseHttpClientNoTimeout; |
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|
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|
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//During authentication the client provides a UserName |
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public string UserName { get; set; } |
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|
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//and and ApiKey to the server |
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public string ApiKey { get; set; } |
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|
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//And receives an authentication Token. This token must be provided in ALL other operations, |
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//in the X-Auth-Token header |
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private string _token; |
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private readonly string _emptyGuid = Guid.Empty.ToString(); |
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private readonly Uri _emptyUri = new Uri("",UriKind.Relative); |
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|
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private HttpClientHandler _httpClientHandler = new HttpClientHandler |
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{ |
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AllowAutoRedirect = true, |
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AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate, |
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UseCookies = true, |
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}; |
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|
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|
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public string Token |
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{ |
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get { return _token; } |
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set |
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{ |
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_token = value; |
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_baseClient.Headers[TOKEN_HEADER] = value; |
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} |
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} |
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|
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//The client also receives a StorageUrl after authentication. All subsequent operations must |
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//use this url |
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public Uri StorageUrl { get; set; } |
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|
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|
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public Uri RootAddressUri { get; set; } |
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|
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|
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public double DownloadPercentLimit { get; set; } |
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public double UploadPercentLimit { get; set; } |
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|
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public string AuthenticationUrl { get; set; } |
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|
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|
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public string VersionPath |
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{ |
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get { return UsePithos ? "v1" : "v1.0"; } |
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} |
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|
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public bool UsePithos { get; set; } |
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|
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|
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|
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public CloudFilesClient(string userName, string apiKey) |
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{ |
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UserName = userName; |
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ApiKey = apiKey; |
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} |
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|
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public CloudFilesClient(AccountInfo accountInfo) |
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{ |
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if (accountInfo==null) |
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throw new ArgumentNullException("accountInfo"); |
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Contract.Ensures(!String.IsNullOrWhiteSpace(Token)); |
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Contract.Ensures(StorageUrl != null); |
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Contract.Ensures(_baseClient != null); |
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Contract.Ensures(RootAddressUri != null); |
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Contract.EndContractBlock(); |
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|
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_baseClient = new RestClient |
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{ |
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BaseAddress = accountInfo.StorageUri.ToString(), |
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Timeout = 30000, |
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Retries = 3, |
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}; |
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StorageUrl = accountInfo.StorageUri; |
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Token = accountInfo.Token; |
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UserName = accountInfo.UserName; |
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|
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//Get the root address (StorageUrl without the account) |
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var storageUrl = StorageUrl.AbsoluteUri; |
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var usernameIndex = storageUrl.LastIndexOf(UserName); |
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var rootUrl = storageUrl.Substring(0, usernameIndex); |
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RootAddressUri = new Uri(rootUrl); |
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|
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var httpClientHandler = new HttpClientHandler |
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{ |
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AllowAutoRedirect = true, |
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AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate, |
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UseCookies = true, |
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}; |
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|
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|
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_baseHttpClient = new HttpClient(httpClientHandler) |
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{ |
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BaseAddress = StorageUrl, |
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Timeout = TimeSpan.FromSeconds(30) |
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}; |
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_baseHttpClient.DefaultRequestHeaders.Add(TOKEN_HEADER, Token); |
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|
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_baseHttpClientNoTimeout = new HttpClient(httpClientHandler) |
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{ |
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BaseAddress = StorageUrl, |
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Timeout = TimeSpan.FromMilliseconds(-1) |
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}; |
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_baseHttpClientNoTimeout.DefaultRequestHeaders.Add(TOKEN_HEADER, Token); |
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|
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|
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} |
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|
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|
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private static void AssertStatusOK(HttpResponseMessage response, string message) |
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{ |
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var statusCode = response.StatusCode; |
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if (statusCode >= HttpStatusCode.BadRequest) |
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throw new WebException(String.Format("{0} with code {1} - {2}", message, statusCode, response.ReasonPhrase)); |
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} |
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|
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public async Task<AccountInfo> Authenticate() |
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{ |
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if (String.IsNullOrWhiteSpace(UserName)) |
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throw new InvalidOperationException("UserName is empty"); |
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if (String.IsNullOrWhiteSpace(ApiKey)) |
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throw new InvalidOperationException("ApiKey is empty"); |
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if (String.IsNullOrWhiteSpace(AuthenticationUrl)) |
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throw new InvalidOperationException("AuthenticationUrl is empty"); |
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Contract.Ensures(!String.IsNullOrWhiteSpace(Token)); |
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Contract.Ensures(StorageUrl != null); |
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Contract.Ensures(_baseClient != null); |
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Contract.Ensures(RootAddressUri != null); |
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Contract.EndContractBlock(); |
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|
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|
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Log.InfoFormat("[AUTHENTICATE] Start for {0}", UserName); |
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|
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var groups = new List<Group>(); |
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|
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using (var authClient = new HttpClient(_httpClientHandler,false){ BaseAddress = new Uri(AuthenticationUrl),Timeout=TimeSpan.FromSeconds(30) }) |
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{ |
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|
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authClient.DefaultRequestHeaders.Add("X-Auth-User", UserName); |
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authClient.DefaultRequestHeaders.Add("X-Auth-Key", ApiKey); |
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|
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string storageUrl; |
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string token; |
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|
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using (var response = await authClient.GetAsyncWithRetries(new Uri(VersionPath, UriKind.Relative),3).ConfigureAwait(false)) // .DownloadStringWithRetryRelative(new Uri(VersionPath, UriKind.Relative), 3); |
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{ |
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AssertStatusOK(response,"Authentication failed"); |
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|
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storageUrl = response.Headers.GetValues("X-Storage-Url").First(); |
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if (String.IsNullOrWhiteSpace(storageUrl)) |
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throw new InvalidOperationException("Failed to obtain storage url"); |
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|
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token = response.Headers.GetValues(TOKEN_HEADER).First(); |
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if (String.IsNullOrWhiteSpace(token)) |
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throw new InvalidOperationException("Failed to obtain token url"); |
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|
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} |
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|
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|
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_baseClient = new RestClient |
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{ |
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BaseAddress = storageUrl, |
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Timeout = 30000, |
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Retries = 3, |
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}; |
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|
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StorageUrl = new Uri(storageUrl); |
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Token = token; |
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|
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|
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|
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|
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//Get the root address (StorageUrl without the account) |
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var usernameIndex=storageUrl.LastIndexOf(UserName); |
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var rootUrl = storageUrl.Substring(0, usernameIndex); |
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RootAddressUri = new Uri(rootUrl); |
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|
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|
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_baseHttpClient = new HttpClient(_httpClientHandler,false) |
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{ |
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BaseAddress = StorageUrl, |
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Timeout = TimeSpan.FromSeconds(30) |
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}; |
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_baseHttpClient.DefaultRequestHeaders.Add(TOKEN_HEADER, token); |
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|
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_baseHttpClientNoTimeout = new HttpClient(_httpClientHandler,false) |
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{ |
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BaseAddress = StorageUrl, |
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Timeout = TimeSpan.FromMilliseconds(-1) |
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}; |
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_baseHttpClientNoTimeout.DefaultRequestHeaders.Add(TOKEN_HEADER, token); |
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|
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/* var keys = authClient.ResponseHeaders.AllKeys.AsQueryable(); |
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groups = (from key in keys |
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where key.StartsWith("X-Account-Group-") |
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let name = key.Substring(16) |
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select new Group(name, authClient.ResponseHeaders[key])) |
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.ToList(); |
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|
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*/ |
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} |
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|
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Log.InfoFormat("[AUTHENTICATE] End for {0}", UserName); |
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Debug.Assert(_baseClient!=null); |
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|
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return new AccountInfo {StorageUri = StorageUrl, Token = Token, UserName = UserName,Groups=groups}; |
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|
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} |
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|
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private static void TraceStart(string method, Uri actualAddress) |
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{ |
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Log.InfoFormat("[{0}] {1} {2}", method, DateTime.Now, actualAddress); |
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} |
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|
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private async Task<string> GetStringAsync(Uri targetUri, string errorMessage,DateTime? since=null) |
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{ |
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TraceStart("GET",targetUri); |
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var request = new HttpRequestMessage(HttpMethod.Get, targetUri); |
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if (since.HasValue) |
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{ |
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request.Headers.IfModifiedSince = since.Value; |
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} |
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using (var response = await _baseHttpClient.SendAsyncWithRetries(request,3).ConfigureAwait(false)) |
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{ |
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AssertStatusOK(response, errorMessage); |
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|
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if (response.StatusCode == HttpStatusCode.NoContent) |
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return String.Empty; |
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|
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var content = await response.Content.ReadAsStringAsync().ConfigureAwait(false); |
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return content; |
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} |
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} |
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|
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public async Task<IList<ContainerInfo>> ListContainers(string account) |
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{ |
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|
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var targetUrl = GetTargetUrl(account); |
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var targetUri = new Uri(String.Format("{0}?format=json", targetUrl)); |
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var result = await GetStringAsync(targetUri, "List Containers failed").ConfigureAwait(false); |
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if (String.IsNullOrWhiteSpace(result)) |
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return new List<ContainerInfo>(); |
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var infos = JsonConvert.DeserializeObject<IList<ContainerInfo>>(result); |
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foreach (var info in infos) |
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{ |
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info.Account = account; |
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} |
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return infos; |
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} |
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|
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|
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private string GetAccountUrl(string account) |
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{ |
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return RootAddressUri.Combine(account).AbsoluteUri; |
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} |
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|
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public IList<ShareAccountInfo> ListSharingAccounts(DateTime? since=null) |
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{ |
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using (ThreadContext.Stacks["Share"].Push("List Accounts")) |
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{ |
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if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
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|
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var targetUri = new Uri(String.Format("{0}?format=json", RootAddressUri), UriKind.Absolute); |
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var content=TaskEx.Run(async ()=>await GetStringAsync(targetUri, "ListSharingAccounts failed", since).ConfigureAwait(false)).Result; |
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|
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//If the result is empty, return an empty list, |
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var infos = String.IsNullOrWhiteSpace(content) |
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? new List<ShareAccountInfo>() |
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//Otherwise deserialize the account list into a list of ShareAccountInfos |
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: JsonConvert.DeserializeObject<IList<ShareAccountInfo>>(content); |
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|
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Log.DebugFormat("END"); |
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return infos; |
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} |
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} |
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|
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|
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/// <summary> |
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/// Request listing of all objects in a container modified since a specific time. |
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/// If the *since* value is missing, return all objects |
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/// </summary> |
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/// <param name="knownContainers">Use the since variable only for the containers listed in knownContainers. Unknown containers are considered new |
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/// and should be polled anyway |
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/// </param> |
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/// <param name="since"></param> |
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/// <returns></returns> |
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public IList<ObjectInfo> ListSharedObjects(HashSet<string> knownContainers,DateTime? since = null ) |
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{ |
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|
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using (ThreadContext.Stacks["Share"].Push("List Objects")) |
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{ |
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if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
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//'since' is not used here because we need to have ListObjects return a NoChange result |
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//for all shared accounts,containers |
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|
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Func<ContainerInfo, string> getKey = c => String.Format("{0}\\{1}", c.Account, c.Name); |
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|
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var containers = (from account in ListSharingAccounts() |
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let conts = ListContainers(account.name).Result |
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from container in conts |
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select container).ToList(); |
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var items = from container in containers |
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let actualSince=knownContainers.Contains(getKey(container))?since:null |
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select ListObjects(container.Account , container.Name, actualSince); |
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var objects=items.SelectMany(r=> r).ToList(); |
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|
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//For each object |
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//Check parents recursively up to (but not including) the container. |
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//If parents are missing, add them to the list |
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//Need function to calculate all parent URLs |
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objects = AddMissingParents(objects); |
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|
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//Store any new containers |
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foreach (var container in containers) |
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{ |
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knownContainers.Add(getKey(container)); |
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} |
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|
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|
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|
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if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
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return objects; |
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} |
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} |
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|
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private List<ObjectInfo> AddMissingParents(List<ObjectInfo> objects) |
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{ |
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//TODO: Remove short-circuit when we decide to use Missing Parents functionality |
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//return objects; |
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|
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var existingUris = objects.ToDictionary(o => o.Uri, o => o); |
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foreach (var objectInfo in objects) |
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{ |
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//Can be null when retrieving objects to show in selective sync |
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if (objectInfo.Name == null) |
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continue; |
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|
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//No need to unescape here, the parts will be used to create new ObjectInfos |
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var parts = objectInfo.Name.ToString().Split(new[]{'/'},StringSplitOptions.RemoveEmptyEntries); |
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//If there is no parent, skip |
426 |
if (parts.Length == 1) |
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continue; |
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var baseParts = new[] |
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{ |
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objectInfo.Uri.Host, objectInfo.Uri.Segments[1].TrimEnd('/'),objectInfo.Account,objectInfo.Container.ToString() |
431 |
}; |
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for (var partIdx = 0; partIdx < parts.Length - 1; partIdx++) |
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{ |
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var nameparts = parts.Range(0, partIdx).ToArray(); |
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var parentName= String.Join("/", nameparts); |
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|
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var parentParts = baseParts.Concat(nameparts); |
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var parentUrl = objectInfo.Uri.Scheme+ "://" + String.Join("/", parentParts); |
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|
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var parentUri = new Uri(parentUrl, UriKind.Absolute); |
441 |
|
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ObjectInfo existingInfo; |
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if (!existingUris.TryGetValue(parentUri,out existingInfo)) |
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{ |
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var h = parentUrl.GetHashCode(); |
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var reverse = new string(parentUrl.Reverse().ToArray()); |
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var rh = reverse.GetHashCode(); |
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var b1 = BitConverter.GetBytes(h); |
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var b2 = BitConverter.GetBytes(rh); |
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var g = new Guid(0,0,0,b1.Concat(b2).ToArray()); |
451 |
|
452 |
|
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existingUris[parentUri] = new ObjectInfo |
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{ |
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Account = objectInfo.Account, |
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Container = objectInfo.Container, |
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Content_Type = ObjectInfo.CONTENT_TYPE_DIRECTORY, |
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ETag = Signature.MERKLE_EMPTY, |
459 |
X_Object_Hash = Signature.MERKLE_EMPTY, |
460 |
Name=new Uri(parentName,UriKind.Relative), |
461 |
StorageUri=objectInfo.StorageUri, |
462 |
Bytes = 0, |
463 |
UUID=g.ToString(), |
464 |
}; |
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} |
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} |
467 |
} |
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return existingUris.Values.ToList(); |
469 |
} |
470 |
|
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public void SetTags(ObjectInfo target,IDictionary<string,string> tags) |
472 |
{ |
473 |
if (String.IsNullOrWhiteSpace(Token)) |
474 |
throw new InvalidOperationException("The Token is not set"); |
475 |
if (StorageUrl == null) |
476 |
throw new InvalidOperationException("The StorageUrl is not set"); |
477 |
if (target == null) |
478 |
throw new ArgumentNullException("target"); |
479 |
Contract.EndContractBlock(); |
480 |
|
481 |
using (ThreadContext.Stacks["Share"].Push("Share Object")) |
482 |
{ |
483 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
484 |
|
485 |
using (var client = new RestClient(_baseClient)) |
486 |
{ |
487 |
|
488 |
client.BaseAddress = GetAccountUrl(target.Account); |
489 |
|
490 |
client.Parameters.Clear(); |
491 |
client.Parameters.Add("update", ""); |
492 |
|
493 |
foreach (var tag in tags) |
494 |
{ |
495 |
var headerTag = String.Format("X-Object-Meta-{0}", tag.Key); |
496 |
client.Headers.Add(headerTag, tag.Value); |
497 |
} |
498 |
|
499 |
client.DownloadStringWithRetryRelative(target.Container, 3); |
500 |
|
501 |
|
502 |
client.AssertStatusOK("SetTags failed"); |
503 |
//If the status is NOT ACCEPTED we have a problem |
504 |
if (client.StatusCode != HttpStatusCode.Accepted) |
505 |
{ |
506 |
Log.Error("Failed to set tags"); |
507 |
throw new Exception("Failed to set tags"); |
508 |
} |
509 |
|
510 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
511 |
} |
512 |
} |
513 |
|
514 |
|
515 |
} |
516 |
|
517 |
public void ShareObject(string account, Uri container, Uri objectName, string shareTo, bool read, bool write) |
518 |
{ |
519 |
if (String.IsNullOrWhiteSpace(Token)) |
520 |
throw new InvalidOperationException("The Token is not set"); |
521 |
if (StorageUrl==null) |
522 |
throw new InvalidOperationException("The StorageUrl is not set"); |
523 |
if (container==null) |
524 |
throw new ArgumentNullException("container"); |
525 |
if (container.IsAbsoluteUri) |
526 |
throw new ArgumentException("container"); |
527 |
if (objectName==null) |
528 |
throw new ArgumentNullException("objectName"); |
529 |
if (objectName.IsAbsoluteUri) |
530 |
throw new ArgumentException("objectName"); |
531 |
if (String.IsNullOrWhiteSpace(account)) |
532 |
throw new ArgumentNullException("account"); |
533 |
if (String.IsNullOrWhiteSpace(shareTo)) |
534 |
throw new ArgumentNullException("shareTo"); |
535 |
Contract.EndContractBlock(); |
536 |
|
537 |
using (ThreadContext.Stacks["Share"].Push("Share Object")) |
538 |
{ |
539 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
540 |
|
541 |
using (var client = new RestClient(_baseClient)) |
542 |
{ |
543 |
|
544 |
client.BaseAddress = GetAccountUrl(account); |
545 |
|
546 |
client.Parameters.Clear(); |
547 |
client.Parameters.Add("format", "json"); |
548 |
|
549 |
string permission = ""; |
550 |
if (write) |
551 |
permission = String.Format("write={0}", shareTo); |
552 |
else if (read) |
553 |
permission = String.Format("read={0}", shareTo); |
554 |
client.Headers.Add("X-Object-Sharing", permission); |
555 |
|
556 |
var content = client.DownloadStringWithRetryRelative(container, 3); |
557 |
|
558 |
client.AssertStatusOK("ShareObject failed"); |
559 |
|
560 |
//If the result is empty, return an empty list, |
561 |
var infos = String.IsNullOrWhiteSpace(content) |
562 |
? new List<ObjectInfo>() |
563 |
//Otherwise deserialize the object list into a list of ObjectInfos |
564 |
: JsonConvert.DeserializeObject<IList<ObjectInfo>>(content); |
565 |
|
566 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
567 |
} |
568 |
} |
569 |
|
570 |
|
571 |
} |
572 |
|
573 |
public AccountInfo GetAccountPolicies(AccountInfo accountInfo) |
574 |
{ |
575 |
if (accountInfo==null) |
576 |
throw new ArgumentNullException("accountInfo"); |
577 |
Contract.EndContractBlock(); |
578 |
|
579 |
using (ThreadContext.Stacks["Account"].Push("GetPolicies")) |
580 |
{ |
581 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
582 |
|
583 |
if (_baseClient == null) |
584 |
{ |
585 |
_baseClient = new RestClient |
586 |
{ |
587 |
BaseAddress = accountInfo.StorageUri.ToString(), |
588 |
Timeout = 30000, |
589 |
Retries = 3, |
590 |
}; |
591 |
} |
592 |
|
593 |
using (var client = new RestClient(_baseClient)) |
594 |
{ |
595 |
if (!String.IsNullOrWhiteSpace(accountInfo.UserName)) |
596 |
client.BaseAddress = GetAccountUrl(accountInfo.UserName); |
597 |
|
598 |
client.Parameters.Clear(); |
599 |
client.Parameters.Add("format", "json"); |
600 |
client.Head(_emptyUri, 3); |
601 |
|
602 |
var quotaValue=client.ResponseHeaders["X-Account-Policy-Quota"]; |
603 |
var bytesValue= client.ResponseHeaders["X-Account-Bytes-Used"]; |
604 |
|
605 |
long quota, bytes; |
606 |
if (long.TryParse(quotaValue, out quota)) |
607 |
accountInfo.Quota = quota; |
608 |
if (long.TryParse(bytesValue, out bytes)) |
609 |
accountInfo.BytesUsed = bytes; |
610 |
|
611 |
return accountInfo; |
612 |
|
613 |
} |
614 |
|
615 |
} |
616 |
} |
617 |
|
618 |
public void UpdateMetadata(ObjectInfo objectInfo) |
619 |
{ |
620 |
if (objectInfo == null) |
621 |
throw new ArgumentNullException("objectInfo"); |
622 |
Contract.EndContractBlock(); |
623 |
|
624 |
using (ThreadContext.Stacks["Objects"].Push("UpdateMetadata")) |
625 |
{ |
626 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
627 |
|
628 |
|
629 |
using(var client=new RestClient(_baseClient)) |
630 |
{ |
631 |
|
632 |
client.BaseAddress = GetAccountUrl(objectInfo.Account); |
633 |
|
634 |
client.Parameters.Clear(); |
635 |
|
636 |
|
637 |
//Set Tags |
638 |
foreach (var tag in objectInfo.Tags) |
639 |
{ |
640 |
var headerTag = String.Format("X-Object-Meta-{0}", tag.Key); |
641 |
client.Headers.Add(headerTag, tag.Value); |
642 |
} |
643 |
|
644 |
//Set Permissions |
645 |
|
646 |
var permissions=objectInfo.GetPermissionString(); |
647 |
client.SetNonEmptyHeaderValue("X-Object-Sharing",permissions); |
648 |
|
649 |
client.SetNonEmptyHeaderValue("Content-Disposition",objectInfo.ContendDisposition); |
650 |
client.SetNonEmptyHeaderValue("Content-Encoding",objectInfo.ContentEncoding); |
651 |
client.SetNonEmptyHeaderValue("X-Object-Manifest",objectInfo.Manifest); |
652 |
var isPublic = objectInfo.IsPublic.ToString().ToLower(); |
653 |
client.Headers.Add("X-Object-Public", isPublic); |
654 |
|
655 |
|
656 |
var address = String.Format("{0}/{1}?update=",objectInfo.Container, objectInfo.Name); |
657 |
client.PostWithRetry(new Uri(address,UriKind.Relative),"application/xml"); |
658 |
|
659 |
client.AssertStatusOK("UpdateMetadata failed"); |
660 |
//If the status is NOT ACCEPTED or OK we have a problem |
661 |
if (!(client.StatusCode == HttpStatusCode.Accepted || client.StatusCode == HttpStatusCode.OK)) |
662 |
{ |
663 |
Log.Error("Failed to update metadata"); |
664 |
throw new Exception("Failed to update metadata"); |
665 |
} |
666 |
|
667 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
668 |
} |
669 |
} |
670 |
|
671 |
} |
672 |
|
673 |
public void UpdateMetadata(ContainerInfo containerInfo) |
674 |
{ |
675 |
if (containerInfo == null) |
676 |
throw new ArgumentNullException("containerInfo"); |
677 |
Contract.EndContractBlock(); |
678 |
|
679 |
using (ThreadContext.Stacks["Containers"].Push("UpdateMetadata")) |
680 |
{ |
681 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
682 |
|
683 |
|
684 |
using(var client=new RestClient(_baseClient)) |
685 |
{ |
686 |
|
687 |
client.BaseAddress = GetAccountUrl(containerInfo.Account); |
688 |
|
689 |
client.Parameters.Clear(); |
690 |
|
691 |
|
692 |
//Set Tags |
693 |
foreach (var tag in containerInfo.Tags) |
694 |
{ |
695 |
var headerTag = String.Format("X-Container-Meta-{0}", tag.Key); |
696 |
client.Headers.Add(headerTag, tag.Value); |
697 |
} |
698 |
|
699 |
|
700 |
//Set Policies |
701 |
foreach (var policy in containerInfo.Policies) |
702 |
{ |
703 |
var headerPolicy = String.Format("X-Container-Policy-{0}", policy.Key); |
704 |
client.Headers.Add(headerPolicy, policy.Value); |
705 |
} |
706 |
|
707 |
|
708 |
var uriBuilder = client.GetAddressBuilder(containerInfo.Name,_emptyUri); |
709 |
var uri = uriBuilder.Uri; |
710 |
|
711 |
client.UploadValues(uri,new NameValueCollection()); |
712 |
|
713 |
|
714 |
client.AssertStatusOK("UpdateMetadata failed"); |
715 |
//If the status is NOT ACCEPTED or OK we have a problem |
716 |
if (!(client.StatusCode == HttpStatusCode.Accepted || client.StatusCode == HttpStatusCode.OK)) |
717 |
{ |
718 |
Log.Error("Failed to update metadata"); |
719 |
throw new Exception("Failed to update metadata"); |
720 |
} |
721 |
|
722 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
723 |
} |
724 |
} |
725 |
|
726 |
} |
727 |
|
728 |
|
729 |
|
730 |
|
731 |
public IList<ObjectInfo> ListObjects(string account, Uri container, DateTime? since = null) |
732 |
{ |
733 |
if (container==null) |
734 |
throw new ArgumentNullException("container"); |
735 |
if (container.IsAbsoluteUri) |
736 |
throw new ArgumentException("container"); |
737 |
Contract.EndContractBlock(); |
738 |
|
739 |
using (ThreadContext.Stacks["Objects"].Push("List")) |
740 |
{ |
741 |
|
742 |
var containerUri = GetTargetUri(account).Combine(container); |
743 |
var targetUri = new Uri(String.Format("{0}?format=json", containerUri), UriKind.Absolute); |
744 |
|
745 |
var content =TaskEx.Run(async ()=>await GetStringAsync(targetUri, "ListObjects failed", since).ConfigureAwait(false)).Result; |
746 |
|
747 |
//304 will result in an empty string. Empty containers return an empty json array |
748 |
if (String.IsNullOrWhiteSpace(content)) |
749 |
return new[] {new NoModificationInfo(account, container)}; |
750 |
|
751 |
//If the result is empty, return an empty list, |
752 |
var infos = String.IsNullOrWhiteSpace(content) |
753 |
? new List<ObjectInfo>() |
754 |
//Otherwise deserialize the object list into a list of ObjectInfos |
755 |
: JsonConvert.DeserializeObject<IList<ObjectInfo>>(content); |
756 |
|
757 |
foreach (var info in infos) |
758 |
{ |
759 |
info.Container = container; |
760 |
info.Account = account; |
761 |
info.StorageUri = StorageUrl; |
762 |
} |
763 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
764 |
return infos; |
765 |
} |
766 |
} |
767 |
|
768 |
public IList<ObjectInfo> ListObjects(string account, Uri container, Uri folder, DateTime? since = null) |
769 |
{ |
770 |
if (container==null) |
771 |
throw new ArgumentNullException("container"); |
772 |
if (container.IsAbsoluteUri) |
773 |
throw new ArgumentException("container"); |
774 |
Contract.EndContractBlock(); |
775 |
|
776 |
using (ThreadContext.Stacks["Objects"].Push("List")) |
777 |
{ |
778 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
779 |
|
780 |
var containerUri = GetTargetUri(account).Combine(container); |
781 |
var targetUri = new Uri(String.Format("{0}?format=json&path={1}", containerUri,folder), UriKind.Absolute); |
782 |
var content = TaskEx.Run(async ()=>await GetStringAsync(targetUri, "ListObjects failed", since).ConfigureAwait(false)).Result; |
783 |
|
784 |
//304 will result in an empty string. Empty containers return an empty json array |
785 |
if (String.IsNullOrWhiteSpace(content)) |
786 |
return new[] { new NoModificationInfo(account, container) }; |
787 |
|
788 |
|
789 |
var infos = JsonConvert.DeserializeObject<IList<ObjectInfo>>(content); |
790 |
foreach (var info in infos) |
791 |
{ |
792 |
info.Account = account; |
793 |
if (info.Container == null) |
794 |
info.Container = container; |
795 |
info.StorageUri = StorageUrl; |
796 |
} |
797 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
798 |
return infos; |
799 |
/* |
800 |
using (var client = new RestClient(_baseClient)) |
801 |
{ |
802 |
if (!String.IsNullOrWhiteSpace(account)) |
803 |
client.BaseAddress = GetAccountUrl(account); |
804 |
|
805 |
client.Parameters.Clear(); |
806 |
client.Parameters.Add("format", "json"); |
807 |
client.Parameters.Add("path", folder.ToString()); |
808 |
client.IfModifiedSince = since; |
809 |
var content = client.DownloadStringWithRetryRelative(container, 3); |
810 |
client.AssertStatusOK("ListObjects failed"); |
811 |
|
812 |
if (client.StatusCode==HttpStatusCode.NotModified) |
813 |
return new[]{new NoModificationInfo(account,container,folder)}; |
814 |
|
815 |
var infos = JsonConvert.DeserializeObject<IList<ObjectInfo>>(content); |
816 |
foreach (var info in infos) |
817 |
{ |
818 |
info.Account = account; |
819 |
if (info.Container == null) |
820 |
info.Container = container; |
821 |
info.StorageUri = StorageUrl; |
822 |
} |
823 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
824 |
return infos; |
825 |
} |
826 |
*/ |
827 |
} |
828 |
} |
829 |
|
830 |
|
831 |
public bool ContainerExists(string account, Uri container) |
832 |
{ |
833 |
if (container==null) |
834 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
835 |
if (container.IsAbsoluteUri) |
836 |
throw new ArgumentException( "The container must be relative","container"); |
837 |
Contract.EndContractBlock(); |
838 |
|
839 |
using (ThreadContext.Stacks["Containters"].Push("Exists")) |
840 |
{ |
841 |
if (Log.IsDebugEnabled) Log.DebugFormat("START"); |
842 |
|
843 |
var targetUri = GetTargetUri(account).Combine(container); |
844 |
|
845 |
using (var response = _baseHttpClient.HeadAsyncWithRetries(targetUri, 3).Result) |
846 |
{ |
847 |
|
848 |
bool result; |
849 |
switch (response.StatusCode) |
850 |
{ |
851 |
case HttpStatusCode.OK: |
852 |
case HttpStatusCode.NoContent: |
853 |
result = true; |
854 |
break; |
855 |
case HttpStatusCode.NotFound: |
856 |
result = false; |
857 |
break; |
858 |
default: |
859 |
throw CreateWebException("ContainerExists", response.StatusCode); |
860 |
} |
861 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
862 |
|
863 |
return result; |
864 |
} |
865 |
/* |
866 |
using (var client = new RestClient(_baseClient)) |
867 |
{ |
868 |
if (!String.IsNullOrWhiteSpace(account)) |
869 |
client.BaseAddress = GetAccountUrl(account); |
870 |
|
871 |
client.Parameters.Clear(); |
872 |
client.Head(container, 3); |
873 |
|
874 |
bool result; |
875 |
switch (client.StatusCode) |
876 |
{ |
877 |
case HttpStatusCode.OK: |
878 |
case HttpStatusCode.NoContent: |
879 |
result=true; |
880 |
break; |
881 |
case HttpStatusCode.NotFound: |
882 |
result=false; |
883 |
break; |
884 |
default: |
885 |
throw CreateWebException("ContainerExists", client.StatusCode); |
886 |
} |
887 |
if (Log.IsDebugEnabled) Log.DebugFormat("END"); |
888 |
|
889 |
return result; |
890 |
} |
891 |
*/ |
892 |
|
893 |
} |
894 |
} |
895 |
|
896 |
private Uri GetTargetUri(string account) |
897 |
{ |
898 |
return new Uri(GetTargetUrl(account),UriKind.Absolute); |
899 |
} |
900 |
|
901 |
private string GetTargetUrl(string account) |
902 |
{ |
903 |
return String.IsNullOrWhiteSpace(account) |
904 |
? _baseHttpClient.BaseAddress.ToString() |
905 |
: GetAccountUrl(account); |
906 |
} |
907 |
|
908 |
public bool ObjectExists(string account, Uri container, Uri objectName) |
909 |
{ |
910 |
if (container == null) |
911 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
912 |
if (container.IsAbsoluteUri) |
913 |
throw new ArgumentException("The container must be relative","container"); |
914 |
if (objectName == null) |
915 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
916 |
if (objectName.IsAbsoluteUri) |
917 |
throw new ArgumentException("The objectName must be relative","objectName"); |
918 |
Contract.EndContractBlock(); |
919 |
|
920 |
var targetUri=GetTargetUri(account).Combine(container).Combine(objectName); |
921 |
|
922 |
using (var response = _baseHttpClient.HeadAsyncWithRetries(targetUri, 3).Result) |
923 |
{ |
924 |
switch (response.StatusCode) |
925 |
{ |
926 |
case HttpStatusCode.OK: |
927 |
case HttpStatusCode.NoContent: |
928 |
return true; |
929 |
case HttpStatusCode.NotFound: |
930 |
return false; |
931 |
default: |
932 |
throw CreateWebException("ObjectExists", response.StatusCode); |
933 |
} |
934 |
} |
935 |
|
936 |
/* |
937 |
using (var client = new RestClient(_baseClient)) |
938 |
{ |
939 |
if (!String.IsNullOrWhiteSpace(account)) |
940 |
client.BaseAddress = GetAccountUrl(account); |
941 |
|
942 |
client.Parameters.Clear(); |
943 |
client.Head(container.Combine(objectName), 3); |
944 |
|
945 |
switch (client.StatusCode) |
946 |
{ |
947 |
case HttpStatusCode.OK: |
948 |
case HttpStatusCode.NoContent: |
949 |
return true; |
950 |
case HttpStatusCode.NotFound: |
951 |
return false; |
952 |
default: |
953 |
throw CreateWebException("ObjectExists", client.StatusCode); |
954 |
} |
955 |
} |
956 |
*/ |
957 |
|
958 |
} |
959 |
|
960 |
public ObjectInfo GetObjectInfo(string account, Uri container, Uri objectName) |
961 |
{ |
962 |
if (container == null) |
963 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
964 |
if (container.IsAbsoluteUri) |
965 |
throw new ArgumentException("The container must be relative","container"); |
966 |
if (objectName == null) |
967 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
968 |
if (objectName.IsAbsoluteUri) |
969 |
throw new ArgumentException("The objectName must be relative","objectName"); |
970 |
Contract.EndContractBlock(); |
971 |
|
972 |
using (ThreadContext.Stacks["Objects"].Push("GetObjectInfo")) |
973 |
{ |
974 |
|
975 |
using (var client = new RestClient(_baseClient)) |
976 |
{ |
977 |
if (!String.IsNullOrWhiteSpace(account)) |
978 |
client.BaseAddress = GetAccountUrl(account); |
979 |
try |
980 |
{ |
981 |
client.Parameters.Clear(); |
982 |
|
983 |
client.Head(container.Combine(objectName), 3); |
984 |
|
985 |
if (client.TimedOut) |
986 |
return ObjectInfo.Empty; |
987 |
|
988 |
switch (client.StatusCode) |
989 |
{ |
990 |
case HttpStatusCode.OK: |
991 |
case HttpStatusCode.NoContent: |
992 |
var keys = client.ResponseHeaders.AllKeys.AsQueryable(); |
993 |
var tags = client.GetMeta("X-Object-Meta-"); |
994 |
var extensions = (from key in keys |
995 |
where key.StartsWith("X-Object-") && !key.StartsWith("X-Object-Meta-") |
996 |
select new {Name = key, Value = client.ResponseHeaders[key]}) |
997 |
.ToDictionary(t => t.Name, t => t.Value); |
998 |
|
999 |
var permissions=client.GetHeaderValue("X-Object-Sharing", true); |
1000 |
|
1001 |
|
1002 |
var info = new ObjectInfo |
1003 |
{ |
1004 |
Account = account, |
1005 |
Container = container, |
1006 |
Name = objectName, |
1007 |
ETag = client.GetHeaderValue("ETag"), |
1008 |
UUID=client.GetHeaderValue("X-Object-UUID"), |
1009 |
X_Object_Hash = client.GetHeaderValue("X-Object-Hash"), |
1010 |
Content_Type = client.GetHeaderValue("Content-Type"), |
1011 |
Bytes = Convert.ToInt64(client.GetHeaderValue("Content-Length",true)), |
1012 |
Tags = tags, |
1013 |
Last_Modified = client.LastModified, |
1014 |
Extensions = extensions, |
1015 |
ContentEncoding=client.GetHeaderValue("Content-Encoding",true), |
1016 |
ContendDisposition = client.GetHeaderValue("Content-Disposition",true), |
1017 |
Manifest=client.GetHeaderValue("X-Object-Manifest",true), |
1018 |
PublicUrl=client.GetHeaderValue("X-Object-Public",true), |
1019 |
StorageUri=StorageUrl, |
1020 |
}; |
1021 |
info.SetPermissions(permissions); |
1022 |
return info; |
1023 |
case HttpStatusCode.NotFound: |
1024 |
return ObjectInfo.Empty; |
1025 |
default: |
1026 |
throw new WebException( |
1027 |
String.Format("[FAIL] GetObjectInfo for {0} failed with unexpected status code {1}", |
1028 |
objectName, client.StatusCode)); |
1029 |
} |
1030 |
|
1031 |
} |
1032 |
catch (RetryException) |
1033 |
{ |
1034 |
Log.WarnFormat("[RETRY FAIL] GetObjectInfo for {0} failed.",objectName); |
1035 |
return ObjectInfo.Empty; |
1036 |
} |
1037 |
catch (WebException e) |
1038 |
{ |
1039 |
Log.Error( |
1040 |
String.Format("[FAIL] GetObjectInfo for {0} failed with unexpected status code {1}", |
1041 |
objectName, client.StatusCode), e); |
1042 |
throw; |
1043 |
} |
1044 |
} |
1045 |
} |
1046 |
|
1047 |
} |
1048 |
|
1049 |
|
1050 |
|
1051 |
public void CreateFolder(string account, Uri container, Uri folder) |
1052 |
{ |
1053 |
if (container == null) |
1054 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1055 |
if (container.IsAbsoluteUri) |
1056 |
throw new ArgumentException("The container must be relative","container"); |
1057 |
if (folder == null) |
1058 |
throw new ArgumentNullException("folder", "The objectName property can't be empty"); |
1059 |
if (folder.IsAbsoluteUri) |
1060 |
throw new ArgumentException("The objectName must be relative","folder"); |
1061 |
Contract.EndContractBlock(); |
1062 |
|
1063 |
var folderUri=container.Combine(folder); |
1064 |
var targetUri = GetTargetUri(account).Combine(folderUri); |
1065 |
var message = new HttpRequestMessage(HttpMethod.Put, targetUri); |
1066 |
|
1067 |
message.Headers.Add("Content-Type", ObjectInfo.CONTENT_TYPE_DIRECTORY); |
1068 |
message.Headers.Add("Content-Length", "0"); |
1069 |
using (var response = _baseHttpClient.SendAsyncWithRetries(message, 3).Result) |
1070 |
{ |
1071 |
if (response.StatusCode != HttpStatusCode.Created && response.StatusCode != HttpStatusCode.Accepted) |
1072 |
throw CreateWebException("CreateFolder", response.StatusCode); |
1073 |
} |
1074 |
/* |
1075 |
using (var client = new RestClient(_baseClient)) |
1076 |
{ |
1077 |
if (!String.IsNullOrWhiteSpace(account)) |
1078 |
client.BaseAddress = GetAccountUrl(account); |
1079 |
|
1080 |
client.Parameters.Clear(); |
1081 |
client.Headers.Add("Content-Type", ObjectInfo.CONTENT_TYPE_DIRECTORY); |
1082 |
client.Headers.Add("Content-Length", "0"); |
1083 |
client.PutWithRetry(folderUri, 3); |
1084 |
|
1085 |
if (client.StatusCode != HttpStatusCode.Created && client.StatusCode != HttpStatusCode.Accepted) |
1086 |
throw CreateWebException("CreateFolder", client.StatusCode); |
1087 |
} |
1088 |
*/ |
1089 |
} |
1090 |
|
1091 |
private Dictionary<string, string> GetMeta(HttpResponseMessage response,string metaPrefix) |
1092 |
{ |
1093 |
if (String.IsNullOrWhiteSpace(metaPrefix)) |
1094 |
throw new ArgumentNullException("metaPrefix"); |
1095 |
Contract.EndContractBlock(); |
1096 |
|
1097 |
var dict = (from header in response.Headers |
1098 |
where header.Key.StartsWith(metaPrefix) |
1099 |
select new { Name = header.Key, Value = String.Join(",", header.Value) }) |
1100 |
.ToDictionary(t => t.Name, t => t.Value); |
1101 |
|
1102 |
|
1103 |
return dict; |
1104 |
} |
1105 |
|
1106 |
|
1107 |
public ContainerInfo GetContainerInfo(string account, Uri container) |
1108 |
{ |
1109 |
if (container == null) |
1110 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1111 |
if (container.IsAbsoluteUri) |
1112 |
throw new ArgumentException("The container must be relative","container"); |
1113 |
Contract.EndContractBlock(); |
1114 |
|
1115 |
var targetUri = GetTargetUri(account).Combine(container); |
1116 |
var message = new HttpRequestMessage(HttpMethod.Head, targetUri); |
1117 |
using (var response = _baseHttpClient.SendAsyncWithRetries(message, 3).Result) |
1118 |
{ |
1119 |
if (Log.IsDebugEnabled) |
1120 |
Log.DebugFormat("ContainerInfo data: {0}\n{1}",response,response.Content.ReadAsStringAsync().Result); |
1121 |
switch (response.StatusCode) |
1122 |
{ |
1123 |
case HttpStatusCode.OK: |
1124 |
case HttpStatusCode.NoContent: |
1125 |
var tags = GetMeta(response,"X-Container-Meta-"); |
1126 |
var policies = GetMeta(response,"X-Container-Policy-"); |
1127 |
|
1128 |
var containerInfo = new ContainerInfo |
1129 |
{ |
1130 |
Account = account, |
1131 |
Name = container, |
1132 |
StorageUrl = StorageUrl.ToString(), |
1133 |
Count =long.Parse(response.Headers.GetValues("X-Container-Object-Count").First()), |
1134 |
Bytes = long.Parse(response.Headers.GetValues("X-Container-Bytes-Used").First()), |
1135 |
BlockHash = response.Headers.GetValues("X-Container-Block-Hash").First(), |
1136 |
BlockSize = |
1137 |
int.Parse(response.Headers.GetValues("X-Container-Block-Size").First()), |
1138 |
Last_Modified = response.Content.Headers.LastModified, |
1139 |
Tags = tags, |
1140 |
Policies = policies |
1141 |
}; |
1142 |
|
1143 |
|
1144 |
return containerInfo; |
1145 |
case HttpStatusCode.NotFound: |
1146 |
return ContainerInfo.Empty; |
1147 |
default: |
1148 |
throw CreateWebException("GetContainerInfo", response.StatusCode); |
1149 |
} |
1150 |
} |
1151 |
} |
1152 |
|
1153 |
public void CreateContainer(string account, Uri container) |
1154 |
{ |
1155 |
if (container == null) |
1156 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1157 |
if (container.IsAbsoluteUri) |
1158 |
throw new ArgumentException("The container must be relative","container"); |
1159 |
Contract.EndContractBlock(); |
1160 |
|
1161 |
var targetUri=GetTargetUri(account).Combine(container); |
1162 |
var message = new HttpRequestMessage(HttpMethod.Put, targetUri); |
1163 |
message.Headers.Add("Content-Length", "0"); |
1164 |
using (var response = _baseHttpClient.SendAsyncWithRetries(message, 3).Result) |
1165 |
{ |
1166 |
var expectedCodes = new[] {HttpStatusCode.Created, HttpStatusCode.Accepted, HttpStatusCode.OK}; |
1167 |
if (!expectedCodes.Contains(response.StatusCode)) |
1168 |
throw CreateWebException("CreateContainer", response.StatusCode); |
1169 |
} |
1170 |
/* |
1171 |
using (var client = new RestClient(_baseClient)) |
1172 |
{ |
1173 |
if (!String.IsNullOrWhiteSpace(account)) |
1174 |
client.BaseAddress = GetAccountUrl(account); |
1175 |
|
1176 |
client.PutWithRetry(container, 3); |
1177 |
var expectedCodes = new[] {HttpStatusCode.Created, HttpStatusCode.Accepted, HttpStatusCode.OK}; |
1178 |
if (!expectedCodes.Contains(client.StatusCode)) |
1179 |
throw CreateWebException("CreateContainer", client.StatusCode); |
1180 |
} |
1181 |
*/ |
1182 |
} |
1183 |
|
1184 |
public async Task WipeContainer(string account, Uri container) |
1185 |
{ |
1186 |
if (container == null) |
1187 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1188 |
if (container.IsAbsoluteUri) |
1189 |
throw new ArgumentException("The container must be relative", "container"); |
1190 |
Contract.EndContractBlock(); |
1191 |
|
1192 |
await DeleteContainer(account, new Uri(String.Format("{0}?delimiter=/", container), UriKind.Relative)).ConfigureAwait(false); |
1193 |
} |
1194 |
|
1195 |
|
1196 |
public async Task DeleteContainer(string account, Uri container) |
1197 |
{ |
1198 |
if (container == null) |
1199 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1200 |
if (container.IsAbsoluteUri) |
1201 |
throw new ArgumentException("The container must be relative","container"); |
1202 |
Contract.EndContractBlock(); |
1203 |
|
1204 |
var targetUri = GetTargetUri(account).Combine(container); |
1205 |
var message = new HttpRequestMessage(HttpMethod.Delete, targetUri); |
1206 |
using (var response = await _baseHttpClient.SendAsyncWithRetries(message, 3).ConfigureAwait(false)) |
1207 |
{ |
1208 |
var expectedCodes = new[] { HttpStatusCode.NotFound, HttpStatusCode.NoContent }; |
1209 |
if (!expectedCodes.Contains(response.StatusCode)) |
1210 |
throw CreateWebException("DeleteContainer", response.StatusCode); |
1211 |
} |
1212 |
|
1213 |
} |
1214 |
|
1215 |
/// <summary> |
1216 |
/// |
1217 |
/// </summary> |
1218 |
/// <param name="account"></param> |
1219 |
/// <param name="container"></param> |
1220 |
/// <param name="objectName"></param> |
1221 |
/// <param name="fileName"></param> |
1222 |
/// <param name="cancellationToken"> </param> |
1223 |
/// <returns></returns> |
1224 |
/// <remarks>This method should have no timeout or a very long one</remarks> |
1225 |
//Asynchronously download the object specified by *objectName* in a specific *container* to |
1226 |
// a local file |
1227 |
public async Task GetObject(string account, Uri container, Uri objectName, string fileName,CancellationToken cancellationToken) |
1228 |
{ |
1229 |
if (container == null) |
1230 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1231 |
if (container.IsAbsoluteUri) |
1232 |
throw new ArgumentException("The container must be relative","container"); |
1233 |
if (objectName == null) |
1234 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
1235 |
if (objectName.IsAbsoluteUri) |
1236 |
throw new ArgumentException("The objectName must be relative","objectName"); |
1237 |
Contract.EndContractBlock(); |
1238 |
|
1239 |
|
1240 |
try |
1241 |
{ |
1242 |
//WebClient, and by extension RestClient, are not thread-safe. Create a new RestClient |
1243 |
//object to avoid concurrency errors. |
1244 |
// |
1245 |
//Download operations take a long time therefore they have no timeout. |
1246 |
using(var client = new RestClient(_baseClient) { Timeout = 0 }) |
1247 |
{ |
1248 |
if (!String.IsNullOrWhiteSpace(account)) |
1249 |
client.BaseAddress = GetAccountUrl(account); |
1250 |
|
1251 |
//The container and objectName are relative names. They are joined with the client's |
1252 |
//BaseAddress to create the object's absolute address |
1253 |
var builder = client.GetAddressBuilder(container, objectName); |
1254 |
var uri = builder.Uri; |
1255 |
|
1256 |
//Download progress is reported to the Trace log |
1257 |
Log.InfoFormat("[GET] START {0}", objectName); |
1258 |
/*client.DownloadProgressChanged += (sender, args) => |
1259 |
Log.InfoFormat("[GET PROGRESS] {0} {1}% {2} of {3}", |
1260 |
fileName, args.ProgressPercentage, |
1261 |
args.BytesReceived, |
1262 |
args.TotalBytesToReceive);*/ |
1263 |
var progress = new Progress<DownloadProgressChangedEventArgs>(args => |
1264 |
{ |
1265 |
Log.InfoFormat("[GET PROGRESS] {0} {1}% {2} of {3}", |
1266 |
fileName, args.ProgressPercentage, |
1267 |
args.BytesReceived, |
1268 |
args.TotalBytesToReceive); |
1269 |
if (DownloadProgressChanged!=null) |
1270 |
DownloadProgressChanged(this, new DownloadArgs(args)); |
1271 |
}); |
1272 |
|
1273 |
//Start downloading the object asynchronously |
1274 |
await client.DownloadFileTaskAsync(uri, fileName, cancellationToken,progress).ConfigureAwait(false); |
1275 |
|
1276 |
//Once the download completes |
1277 |
//Delete the local client object |
1278 |
} |
1279 |
//And report failure or completion |
1280 |
} |
1281 |
catch (Exception exc) |
1282 |
{ |
1283 |
Log.ErrorFormat("[GET] FAIL {0} with {1}", objectName, exc); |
1284 |
throw; |
1285 |
} |
1286 |
|
1287 |
Log.InfoFormat("[GET] END {0}", objectName); |
1288 |
|
1289 |
|
1290 |
} |
1291 |
|
1292 |
public async Task<IList<string>> PutHashMap(string account, Uri container, Uri objectName, TreeHash hash) |
1293 |
{ |
1294 |
if (container == null) |
1295 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1296 |
if (container.IsAbsoluteUri) |
1297 |
throw new ArgumentException("The container must be relative","container"); |
1298 |
if (objectName == null) |
1299 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
1300 |
if (objectName.IsAbsoluteUri) |
1301 |
throw new ArgumentException("The objectName must be relative","objectName"); |
1302 |
if (hash == null) |
1303 |
throw new ArgumentNullException("hash"); |
1304 |
if (String.IsNullOrWhiteSpace(Token)) |
1305 |
throw new InvalidOperationException("Invalid Token"); |
1306 |
if (StorageUrl == null) |
1307 |
throw new InvalidOperationException("Invalid Storage Url"); |
1308 |
Contract.EndContractBlock(); |
1309 |
|
1310 |
|
1311 |
|
1312 |
//The container and objectName are relative names. They are joined with the client's |
1313 |
//BaseAddress to create the object's absolute address |
1314 |
|
1315 |
var targetUri = GetTargetUri(account).Combine(container).Combine(objectName); |
1316 |
|
1317 |
|
1318 |
var uri = new Uri(String.Format("{0}?format=json&hashmap",targetUri),UriKind.Absolute); |
1319 |
|
1320 |
|
1321 |
//Send the tree hash as Json to the server |
1322 |
var jsonHash = hash.ToJson(); |
1323 |
if (Log.IsDebugEnabled) |
1324 |
Log.DebugFormat("Hashes:\r\n{0}", jsonHash); |
1325 |
|
1326 |
var message = new HttpRequestMessage(HttpMethod.Put, uri) |
1327 |
{ |
1328 |
Content = new StringContent(jsonHash) |
1329 |
}; |
1330 |
message.Headers.Add("ETag",hash.TopHash.ToHashString()); |
1331 |
|
1332 |
//Don't use a timeout because putting the hashmap may be a long process |
1333 |
|
1334 |
using (var response = await _baseHttpClientNoTimeout.SendAsyncWithRetries(message, 3).ConfigureAwait(false)) |
1335 |
{ |
1336 |
var empty = (IList<string>)new List<string>(); |
1337 |
|
1338 |
switch (response.StatusCode) |
1339 |
{ |
1340 |
case HttpStatusCode.Created: |
1341 |
//The server will respond either with 201-created if all blocks were already on the server |
1342 |
return empty; |
1343 |
case HttpStatusCode.Conflict: |
1344 |
//or with a 409-conflict and return the list of missing parts |
1345 |
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false)) |
1346 |
using(var reader=stream.GetLoggedReader(Log)) |
1347 |
{ |
1348 |
var serializer = new JsonSerializer(); |
1349 |
serializer.Error += (sender, args) => Log.ErrorFormat("Deserialization error at [{0}] [{1}]", args.ErrorContext.Error, args.ErrorContext.Member); |
1350 |
var hashes = (List<string>)serializer.Deserialize(reader, typeof(List<string>)); |
1351 |
return hashes; |
1352 |
} |
1353 |
default: |
1354 |
//All other cases are unexpected |
1355 |
//Ensure that failure codes raise exceptions |
1356 |
response.EnsureSuccessStatusCode(); |
1357 |
//And log any other codes as warngings, but continute processing |
1358 |
Log.WarnFormat("Unexcpected status code when putting map: {0} - {1}",response.StatusCode,response.ReasonPhrase); |
1359 |
return empty; |
1360 |
} |
1361 |
} |
1362 |
|
1363 |
} |
1364 |
|
1365 |
|
1366 |
public async Task<byte[]> GetBlock(string account, Uri container, Uri relativeUrl, long start, long? end, CancellationToken cancellationToken) |
1367 |
{ |
1368 |
if (String.IsNullOrWhiteSpace(Token)) |
1369 |
throw new InvalidOperationException("Invalid Token"); |
1370 |
if (StorageUrl == null) |
1371 |
throw new InvalidOperationException("Invalid Storage Url"); |
1372 |
if (container == null) |
1373 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1374 |
if (container.IsAbsoluteUri) |
1375 |
throw new ArgumentException("The container must be relative","container"); |
1376 |
if (relativeUrl == null) |
1377 |
throw new ArgumentNullException("relativeUrl"); |
1378 |
if (end.HasValue && end < 0) |
1379 |
throw new ArgumentOutOfRangeException("end"); |
1380 |
if (start < 0) |
1381 |
throw new ArgumentOutOfRangeException("start"); |
1382 |
Contract.EndContractBlock(); |
1383 |
|
1384 |
|
1385 |
var targetUri = GetTargetUri(account).Combine(container).Combine(relativeUrl); |
1386 |
var message = new HttpRequestMessage(HttpMethod.Get, targetUri); |
1387 |
message.Headers.Range=new RangeHeaderValue(start,end); |
1388 |
|
1389 |
//Don't use a timeout because putting the hashmap may be a long process |
1390 |
|
1391 |
IProgress<DownloadArgs> progress = new Progress<DownloadArgs>(args => |
1392 |
{ |
1393 |
Log.DebugFormat("[GET PROGRESS] {0} {1}% {2} of {3}", |
1394 |
targetUri.Segments.Last(), args.ProgressPercentage, |
1395 |
args.BytesReceived, |
1396 |
args.TotalBytesToReceive); |
1397 |
|
1398 |
if (DownloadProgressChanged!=null) |
1399 |
DownloadProgressChanged(this, args); |
1400 |
}); |
1401 |
|
1402 |
|
1403 |
using (var response = await _baseHttpClientNoTimeout.SendAsyncWithRetries(message, 3, HttpCompletionOption.ResponseHeadersRead, |
1404 |
cancellationToken).ConfigureAwait(false)) |
1405 |
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false)) |
1406 |
using(var targetStream=new MemoryStream()) |
1407 |
{ |
1408 |
|
1409 |
long totalSize = response.Content.Headers.ContentLength ?? 0; |
1410 |
long total = 0; |
1411 |
var buffer = new byte[65536]; |
1412 |
int read; |
1413 |
while ((read = await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false)) != 0) |
1414 |
{ |
1415 |
total += read; |
1416 |
progress.Report(new DownloadArgs(total, totalSize)); |
1417 |
await targetStream.WriteAsync(buffer, 0, read).ConfigureAwait(false); |
1418 |
} |
1419 |
|
1420 |
var result = targetStream.ToArray(); |
1421 |
return result; |
1422 |
} |
1423 |
|
1424 |
} |
1425 |
|
1426 |
public event EventHandler<UploadArgs> UploadProgressChanged; |
1427 |
public event EventHandler<DownloadArgs> DownloadProgressChanged; |
1428 |
|
1429 |
|
1430 |
public async Task PostBlock(string account, Uri container, byte[] block, int offset, int count,string blockHash,CancellationToken token) |
1431 |
{ |
1432 |
if (container == null) |
1433 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1434 |
if (container.IsAbsoluteUri) |
1435 |
throw new ArgumentException("The container must be relative","container"); |
1436 |
if (block == null) |
1437 |
throw new ArgumentNullException("block"); |
1438 |
if (offset < 0 || offset >= block.Length) |
1439 |
throw new ArgumentOutOfRangeException("offset"); |
1440 |
if (count < 0 || count > block.Length) |
1441 |
throw new ArgumentOutOfRangeException("count"); |
1442 |
if (String.IsNullOrWhiteSpace(Token)) |
1443 |
throw new InvalidOperationException("Invalid Token"); |
1444 |
if (StorageUrl == null) |
1445 |
throw new InvalidOperationException("Invalid Storage Url"); |
1446 |
Contract.EndContractBlock(); |
1447 |
|
1448 |
|
1449 |
try |
1450 |
{ |
1451 |
var containerUri = GetTargetUri(account).Combine(container); |
1452 |
var targetUri = new Uri(String.Format("{0}?update", containerUri)); |
1453 |
|
1454 |
|
1455 |
//Don't use a timeout because putting the hashmap may be a long process |
1456 |
|
1457 |
|
1458 |
Log.InfoFormat("[BLOCK POST] START"); |
1459 |
|
1460 |
|
1461 |
var progress = new Progress<UploadArgs>(args => |
1462 |
{ |
1463 |
Log.InfoFormat("[BLOCK POST PROGRESS] {0}% {1} of {2}", |
1464 |
args.ProgressPercentage, |
1465 |
args.BytesSent, |
1466 |
args.TotalBytesToSend); |
1467 |
if (UploadProgressChanged != null) |
1468 |
UploadProgressChanged(this,args); |
1469 |
}); |
1470 |
|
1471 |
var message = new HttpRequestMessage(HttpMethod.Post, targetUri) |
1472 |
{ |
1473 |
Content = new ByteArrayContentWithProgress(block, offset, count,progress) |
1474 |
}; |
1475 |
message.Content.Headers.ContentType = MediaTypeHeaderValue.Parse(@"application/octet-stream"); |
1476 |
|
1477 |
//Send the block |
1478 |
using (var response = await _baseHttpClientNoTimeout.SendAsyncWithRetries(message, 3,HttpCompletionOption.ResponseContentRead,token).ConfigureAwait(false)) |
1479 |
{ |
1480 |
Log.InfoFormat("[BLOCK POST PROGRESS] Completed "); |
1481 |
response.EnsureSuccessStatusCode(); |
1482 |
var responseHash = await response.Content.ReadAsStringAsync().ConfigureAwait(false); |
1483 |
var cleanHash = responseHash.TrimEnd(); |
1484 |
Debug.Assert(blockHash==cleanHash); |
1485 |
if (responseHash.Equals(cleanHash,StringComparison.OrdinalIgnoreCase)) |
1486 |
Log.ErrorFormat("Block hash mismatch posting to [{0}]:[{1}], expected [{2}] but was [{3}]",account,container,blockHash,responseHash); |
1487 |
} |
1488 |
Log.InfoFormat("[BLOCK POST] END"); |
1489 |
} |
1490 |
catch (TaskCanceledException ) |
1491 |
{ |
1492 |
Log.Info("Aborting block"); |
1493 |
throw; |
1494 |
} |
1495 |
catch (Exception exc) |
1496 |
{ |
1497 |
Log.ErrorFormat("[BLOCK POST] FAIL with \r{0}", exc); |
1498 |
throw; |
1499 |
} |
1500 |
} |
1501 |
|
1502 |
|
1503 |
public async Task<TreeHash> GetHashMap(string account, Uri container, Uri objectName) |
1504 |
{ |
1505 |
if (container == null) |
1506 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1507 |
if (container.IsAbsoluteUri) |
1508 |
throw new ArgumentException("The container must be relative","container"); |
1509 |
if (objectName == null) |
1510 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
1511 |
if (objectName.IsAbsoluteUri) |
1512 |
throw new ArgumentException("The objectName must be relative","objectName"); |
1513 |
if (String.IsNullOrWhiteSpace(Token)) |
1514 |
throw new InvalidOperationException("Invalid Token"); |
1515 |
if (StorageUrl == null) |
1516 |
throw new InvalidOperationException("Invalid Storage Url"); |
1517 |
Contract.EndContractBlock(); |
1518 |
|
1519 |
try |
1520 |
{ |
1521 |
|
1522 |
var objectUri = GetTargetUri(account).Combine(container).Combine(objectName); |
1523 |
var targetUri = new Uri(String.Format("{0}?format=json&hashmap", objectUri)); |
1524 |
|
1525 |
//Start downloading the object asynchronously |
1526 |
var json = await GetStringAsync(targetUri, "").ConfigureAwait(false); |
1527 |
var treeHash = TreeHash.Parse(json); |
1528 |
Log.InfoFormat("[GET HASH] END {0}", objectName); |
1529 |
return treeHash; |
1530 |
|
1531 |
} |
1532 |
catch (Exception exc) |
1533 |
{ |
1534 |
Log.ErrorFormat("[GET HASH] END {0} with {1}", objectName, exc); |
1535 |
throw; |
1536 |
} |
1537 |
|
1538 |
} |
1539 |
|
1540 |
|
1541 |
/// <summary> |
1542 |
/// |
1543 |
/// </summary> |
1544 |
/// <param name="account"></param> |
1545 |
/// <param name="container"></param> |
1546 |
/// <param name="objectName"></param> |
1547 |
/// <param name="fileName"></param> |
1548 |
/// <param name="hash">Optional hash value for the file. If no hash is provided, the method calculates a new hash</param> |
1549 |
/// <param name="contentType"> </param> |
1550 |
/// <remarks>>This method should have no timeout or a very long one</remarks> |
1551 |
public async Task PutObject(string account, Uri container, Uri objectName, string fileName, string hash = Signature.MERKLE_EMPTY, string contentType = "application/octet-stream") |
1552 |
{ |
1553 |
if (container == null) |
1554 |
throw new ArgumentNullException("container", "The container property can't be empty"); |
1555 |
if (container.IsAbsoluteUri) |
1556 |
throw new ArgumentException("The container must be relative","container"); |
1557 |
if (objectName == null) |
1558 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
1559 |
if (objectName.IsAbsoluteUri) |
1560 |
throw new ArgumentException("The objectName must be relative","objectName"); |
1561 |
if (String.IsNullOrWhiteSpace(fileName)) |
1562 |
throw new ArgumentNullException("fileName", "The fileName property can't be empty"); |
1563 |
try |
1564 |
{ |
1565 |
|
1566 |
using (var client = new RestClient(_baseClient) { Timeout = 0 }) |
1567 |
{ |
1568 |
if (!String.IsNullOrWhiteSpace(account)) |
1569 |
client.BaseAddress = GetAccountUrl(account); |
1570 |
|
1571 |
var builder = client.GetAddressBuilder(container, objectName); |
1572 |
var uri = builder.Uri; |
1573 |
|
1574 |
string etag = hash ; |
1575 |
|
1576 |
client.Headers.Add("Content-Type", contentType); |
1577 |
if (contentType!=ObjectInfo.CONTENT_TYPE_DIRECTORY) |
1578 |
client.Headers.Add("ETag", etag); |
1579 |
|
1580 |
|
1581 |
Log.InfoFormat("[PUT] START {0}", objectName); |
1582 |
client.UploadProgressChanged += (sender, args) => |
1583 |
{ |
1584 |
using (ThreadContext.Stacks["PUT"].Push("Progress")) |
1585 |
{ |
1586 |
Log.InfoFormat("{0} {1}% {2} of {3}", fileName, |
1587 |
args.ProgressPercentage, |
1588 |
args.BytesSent, args.TotalBytesToSend); |
1589 |
} |
1590 |
}; |
1591 |
|
1592 |
client.UploadFileCompleted += (sender, args) => |
1593 |
{ |
1594 |
using (ThreadContext.Stacks["PUT"].Push("Progress")) |
1595 |
{ |
1596 |
Log.InfoFormat("Completed {0}", fileName); |
1597 |
} |
1598 |
}; |
1599 |
|
1600 |
if (contentType==ObjectInfo.CONTENT_TYPE_DIRECTORY) |
1601 |
await client.UploadDataTaskAsync(uri, "PUT", new byte[0]).ConfigureAwait(false); |
1602 |
else |
1603 |
await client.UploadFileTaskAsync(uri, "PUT", fileName).ConfigureAwait(false); |
1604 |
} |
1605 |
|
1606 |
Log.InfoFormat("[PUT] END {0}", objectName); |
1607 |
} |
1608 |
catch (Exception exc) |
1609 |
{ |
1610 |
Log.ErrorFormat("[PUT] END {0} with {1}", objectName, exc); |
1611 |
throw; |
1612 |
} |
1613 |
|
1614 |
} |
1615 |
|
1616 |
public void MoveObject(string account, Uri sourceContainer, Uri oldObjectName, Uri targetContainer, Uri newObjectName) |
1617 |
{ |
1618 |
if (sourceContainer == null) |
1619 |
throw new ArgumentNullException("sourceContainer", "The sourceContainer property can't be empty"); |
1620 |
if (sourceContainer.IsAbsoluteUri) |
1621 |
throw new ArgumentException("The sourceContainer must be relative","sourceContainer"); |
1622 |
if (oldObjectName == null) |
1623 |
throw new ArgumentNullException("oldObjectName", "The oldObjectName property can't be empty"); |
1624 |
if (oldObjectName.IsAbsoluteUri) |
1625 |
throw new ArgumentException("The oldObjectName must be relative","oldObjectName"); |
1626 |
if (targetContainer == null) |
1627 |
throw new ArgumentNullException("targetContainer", "The targetContainer property can't be empty"); |
1628 |
if (targetContainer.IsAbsoluteUri) |
1629 |
throw new ArgumentException("The targetContainer must be relative","targetContainer"); |
1630 |
if (newObjectName == null) |
1631 |
throw new ArgumentNullException("newObjectName", "The newObjectName property can't be empty"); |
1632 |
if (newObjectName.IsAbsoluteUri) |
1633 |
throw new ArgumentException("The newObjectName must be relative","newObjectName"); |
1634 |
Contract.EndContractBlock(); |
1635 |
|
1636 |
var baseUri = GetTargetUri(account); |
1637 |
var targetUri = baseUri.Combine(targetContainer).Combine(newObjectName); |
1638 |
var sourceUri = new Uri(String.Format("/{0}/{1}", sourceContainer, oldObjectName),UriKind.Relative); |
1639 |
|
1640 |
var message = new HttpRequestMessage(HttpMethod.Put, targetUri); |
1641 |
message.Headers.Add("X-Move-From", sourceUri.ToString()); |
1642 |
using (var response = _baseHttpClient.SendAsyncWithRetries(message, 3).Result) |
1643 |
{ |
1644 |
var expectedCodes = new[] {HttpStatusCode.OK, HttpStatusCode.NoContent, HttpStatusCode.Created}; |
1645 |
if (!expectedCodes.Contains(response.StatusCode)) |
1646 |
throw CreateWebException("MoveObject", response.StatusCode); |
1647 |
} |
1648 |
} |
1649 |
|
1650 |
public void DeleteObject(string account, Uri sourceContainer, Uri objectName, bool isDirectory) |
1651 |
{ |
1652 |
if (sourceContainer == null) |
1653 |
throw new ArgumentNullException("sourceContainer", "The sourceContainer property can't be empty"); |
1654 |
if (sourceContainer.IsAbsoluteUri) |
1655 |
throw new ArgumentException("The sourceContainer must be relative","sourceContainer"); |
1656 |
if (objectName == null) |
1657 |
throw new ArgumentNullException("objectName", "The objectName property can't be empty"); |
1658 |
if (objectName.IsAbsoluteUri) |
1659 |
throw new ArgumentException("The objectName must be relative","objectName"); |
1660 |
Contract.EndContractBlock(); |
1661 |
|
1662 |
var targetUrl = FolderConstants.TrashContainer + "/" + objectName; |
1663 |
/* |
1664 |
if (isDirectory) |
1665 |
targetUrl = targetUrl + "?delimiter=/"; |
1666 |
*/ |
1667 |
|
1668 |
var sourceUrl = String.Format("/{0}/{1}", sourceContainer, objectName); |
1669 |
|
1670 |
using (var client = new RestClient(_baseClient)) |
1671 |
{ |
1672 |
if (!String.IsNullOrWhiteSpace(account)) |
1673 |
client.BaseAddress = GetAccountUrl(account); |
1674 |
|
1675 |
client.Headers.Add("X-Move-From", sourceUrl); |
1676 |
client.AllowedStatusCodes.Add(HttpStatusCode.NotFound); |
1677 |
Log.InfoFormat("[TRASH] [{0}] to [{1}]",sourceUrl,targetUrl); |
1678 |
client.PutWithRetry(new Uri(targetUrl,UriKind.Relative), 3); |
1679 |
|
1680 |
var expectedCodes = new[] {HttpStatusCode.OK, HttpStatusCode.NoContent, HttpStatusCode.Created,HttpStatusCode.NotFound}; |
1681 |
if (!expectedCodes.Contains(client.StatusCode)) |
1682 |
throw CreateWebException("DeleteObject", client.StatusCode); |
1683 |
} |
1684 |
} |
1685 |
|
1686 |
|
1687 |
private static WebException CreateWebException(string operation, HttpStatusCode statusCode) |
1688 |
{ |
1689 |
return new WebException(String.Format("{0} failed with unexpected status code {1}", operation, statusCode)); |
1690 |
} |
1691 |
|
1692 |
|
1693 |
public bool CanUpload(string account, ObjectInfo cloudFile) |
1694 |
{ |
1695 |
Contract.Requires(!String.IsNullOrWhiteSpace(account)); |
1696 |
Contract.Requires(cloudFile!=null); |
1697 |
|
1698 |
using (var client = new RestClient(_baseClient)) |
1699 |
{ |
1700 |
if (!String.IsNullOrWhiteSpace(account)) |
1701 |
client.BaseAddress = GetAccountUrl(account); |
1702 |
|
1703 |
|
1704 |
var parts = cloudFile.Name.ToString().Split('/'); |
1705 |
var folder = String.Join("/", parts,0,parts.Length-1); |
1706 |
|
1707 |
var fileName = String.Format("{0}/{1}.pithos.ignore", folder, Guid.NewGuid()); |
1708 |
var fileUri=fileName.ToEscapedUri(); |
1709 |
|
1710 |
client.Parameters.Clear(); |
1711 |
try |
1712 |
{ |
1713 |
var relativeUri = cloudFile.Container.Combine(fileUri); |
1714 |
client.PutWithRetry(relativeUri, 3, @"application/octet-stream"); |
1715 |
|
1716 |
var expectedCodes = new[] { HttpStatusCode.OK, HttpStatusCode.NoContent, HttpStatusCode.Created}; |
1717 |
var result=(expectedCodes.Contains(client.StatusCode)); |
1718 |
DeleteObject(account, cloudFile.Container, fileUri, cloudFile.IsDirectory); |
1719 |
return result; |
1720 |
} |
1721 |
catch |
1722 |
{ |
1723 |
return false; |
1724 |
} |
1725 |
} |
1726 |
} |
1727 |
|
1728 |
~CloudFilesClient() |
1729 |
{ |
1730 |
Dispose(false); |
1731 |
} |
1732 |
|
1733 |
public void Dispose() |
1734 |
{ |
1735 |
Dispose(true); |
1736 |
GC.SuppressFinalize(this); |
1737 |
} |
1738 |
|
1739 |
protected virtual void Dispose(bool disposing) |
1740 |
{ |
1741 |
if (disposing) |
1742 |
{ |
1743 |
if (_httpClientHandler!=null) |
1744 |
_httpClientHandler.Dispose(); |
1745 |
if (_baseClient!=null) |
1746 |
_baseClient.Dispose(); |
1747 |
if(_baseHttpClient!=null) |
1748 |
_baseHttpClient.Dispose(); |
1749 |
if (_baseHttpClientNoTimeout!=null) |
1750 |
_baseHttpClientNoTimeout.Dispose(); |
1751 |
} |
1752 |
_httpClientHandler = null; |
1753 |
_baseClient = null; |
1754 |
_baseHttpClient = null; |
1755 |
_baseHttpClientNoTimeout = null; |
1756 |
} |
1757 |
} |
1758 |
|
1759 |
public class ShareAccountInfo |
1760 |
{ |
1761 |
public DateTime? last_modified { get; set; } |
1762 |
public string name { get; set; } |
1763 |
} |
1764 |
} |