248 lines
10 KiB
C#
248 lines
10 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.Concurrent;
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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.Net;
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using ASC.Common;
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using ASC.Common.Logging;
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using ASC.Core;
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using ASC.Core.Common.Settings;
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using ASC.Data.Storage.Configuration;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Options;
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namespace ASC.Data.Storage
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{
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[Singletone]
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public class WebPathSettings
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{
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private readonly IEnumerable<Appender> Appenders;
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public WebPathSettings(Configuration.Storage storage)
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{
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var section = storage;
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if (section != null)
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{
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Appenders = section.Appender;
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}
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}
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public string GetRelativePath(HttpContext httpContext, IOptionsMonitor<ILog> options, string absolutePath)
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{
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if (!Uri.IsWellFormedUriString(absolutePath, UriKind.Absolute))
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{
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throw new ArgumentException(string.Format("bad path format {0} is not absolute", absolutePath));
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}
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var appender = Appenders.FirstOrDefault(x => absolutePath.Contains(x.Append) || (absolutePath.Contains(x.AppendSecure) && !string.IsNullOrEmpty(x.AppendSecure)));
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if (appender == null)
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{
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return absolutePath;
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}
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return SecureHelper.IsSecure(httpContext, options) && !string.IsNullOrEmpty(appender.AppendSecure) ?
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absolutePath.Remove(0, appender.AppendSecure.Length) :
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absolutePath.Remove(0, appender.Append.Length);
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}
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public string GetPath(HttpContext httpContext, IOptionsMonitor<ILog> options, string relativePath)
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{
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if (!string.IsNullOrEmpty(relativePath) && relativePath.IndexOf('~') == 0)
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{
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throw new ArgumentException(string.Format("bad path format {0} remove '~'", relativePath), "relativePath");
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}
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var result = relativePath;
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var ext = Path.GetExtension(relativePath).ToLowerInvariant();
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if (Appenders.Any())
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{
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var avaliableAppenders = Appenders.Where(x => x.Extensions != null && x.Extensions.Split('|').Contains(ext) || string.IsNullOrEmpty(ext)).ToList();
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var avaliableAppendersCount = avaliableAppenders.LongCount();
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Appender appender;
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if (avaliableAppendersCount > 1)
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{
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appender = avaliableAppenders[(int)(relativePath.Length % avaliableAppendersCount)];
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}
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else if (avaliableAppendersCount == 1)
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{
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appender = avaliableAppenders.First();
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}
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else
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{
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appender = Appenders.First();
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}
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if (appender.Append.IndexOf('~') == 0)
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{
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var query = string.Empty;
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//Rel path
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if (relativePath.IndexOfAny(new[] { '?', '=', '&' }) != -1)
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{
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//Cut it
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query = relativePath.Substring(relativePath.IndexOf('?'));
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relativePath = relativePath.Substring(0, relativePath.IndexOf('?'));
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}
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//if (HostingEnvironment.IsHosted)
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//{
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// result = VirtualPathUtility.ToAbsolute(string.Format("{0}/{1}{2}", appender.Append.TrimEnd('/'), relativePath.TrimStart('/'), query));
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//}
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//else
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//{
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result = string.Format("{0}/{1}{2}", appender.Append.TrimEnd('/').TrimStart('~'), relativePath.TrimStart('/'), query);
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//}
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}
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else
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{
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//TODO HostingEnvironment.IsHosted
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if (SecureHelper.IsSecure(httpContext, options) && !string.IsNullOrEmpty(appender.AppendSecure))
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{
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result = string.Format("{0}/{1}", appender.AppendSecure.TrimEnd('/'), relativePath.TrimStart('/'));
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}
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else
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{
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//Append directly
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result = string.Format("{0}/{1}", appender.Append.TrimEnd('/'), relativePath.TrimStart('/'));
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}
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}
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}
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return result;
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}
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}
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[Scope]
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public class WebPath
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{
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private static readonly IDictionary<string, bool> Existing = new ConcurrentDictionary<string, bool>();
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private WebPathSettings WebPathSettings { get; }
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private StaticUploader StaticUploader { get; }
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private SettingsManager SettingsManager { get; }
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private StorageSettingsHelper StorageSettingsHelper { get; }
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private IHttpContextAccessor HttpContextAccessor { get; }
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public IHostEnvironment HostEnvironment { get; }
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private CoreBaseSettings CoreBaseSettings { get; }
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private IOptionsMonitor<ILog> Options { get; }
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public WebPath(
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WebPathSettings webPathSettings,
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StaticUploader staticUploader,
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SettingsManager settingsManager,
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StorageSettingsHelper storageSettingsHelper,
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IHostEnvironment hostEnvironment,
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CoreBaseSettings coreBaseSettings,
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IOptionsMonitor<ILog> options)
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{
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WebPathSettings = webPathSettings;
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StaticUploader = staticUploader;
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SettingsManager = settingsManager;
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StorageSettingsHelper = storageSettingsHelper;
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HostEnvironment = hostEnvironment;
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CoreBaseSettings = coreBaseSettings;
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Options = options;
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}
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public WebPath(
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WebPathSettings webPathSettings,
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StaticUploader staticUploader,
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SettingsManager settingsManager,
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StorageSettingsHelper storageSettingsHelper,
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IHttpContextAccessor httpContextAccessor,
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IHostEnvironment hostEnvironment,
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CoreBaseSettings coreBaseSettings,
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IOptionsMonitor<ILog> options)
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: this(webPathSettings, staticUploader, settingsManager, storageSettingsHelper, hostEnvironment, coreBaseSettings, options)
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{
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HttpContextAccessor = httpContextAccessor;
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}
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public string GetPath(string relativePath)
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{
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if (!string.IsNullOrEmpty(relativePath) && relativePath.IndexOf('~') == 0)
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{
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throw new ArgumentException(string.Format("bad path format {0} remove '~'", relativePath), "relativePath");
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}
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if (CoreBaseSettings.Standalone && StaticUploader.CanUpload())
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{
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try
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{
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var result = StorageSettingsHelper.DataStore(SettingsManager.Load<CdnStorageSettings>()).GetInternalUri("", relativePath, TimeSpan.Zero, null).AbsoluteUri.ToLower();
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if (!string.IsNullOrEmpty(result)) return result;
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}
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catch (Exception)
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{
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}
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}
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return WebPathSettings.GetPath(HttpContextAccessor?.HttpContext, Options, relativePath);
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}
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public bool Exists(string relativePath)
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{
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var path = GetPath(relativePath);
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if (!Existing.ContainsKey(path))
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{
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if (Uri.IsWellFormedUriString(path, UriKind.Relative) && HttpContextAccessor?.HttpContext != null)
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{
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//Local
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Existing[path] = File.Exists(Path.Combine(HostEnvironment.ContentRootPath, path));
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}
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if (Uri.IsWellFormedUriString(path, UriKind.Absolute))
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{
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//Make request
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Existing[path] = CheckWebPath(path);
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}
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}
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return Existing[path];
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}
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private bool CheckWebPath(string path)
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{
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try
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{
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var request = (HttpWebRequest)WebRequest.Create(path);
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request.Method = "HEAD";
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using var resp = (HttpWebResponse)request.GetResponse();
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return resp.StatusCode == HttpStatusCode.OK;
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}
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catch (Exception)
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{
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return false;
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}
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}
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}
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} |