private void Application_BeginRequest(Object source, EventArgs e)
{
// Create HttpApplication and HttpContext objects to access
// request and response properties.
HttpApplication application = (HttpApplication)source;
HttpContext context = application.Context;
if (context.Request.HttpMethod == "PROPFIND" || context.Request.HttpMethod == "OPTIONS")
{
Uri url = context.Request.Url;
if (IsWebDavRootFolderRequest(context.Request))
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavElementStorageProvider storageProvider = factory.Create<WebDavElementStorageProvider>(ObjectTypes.Folder);
if (storageProvider != null)
{
WebDavApplication.DefaultProvider = storageProvider;
WebDavTicketRequest request = new WebDavTicketRequest(context.Request, ePluginToken.webdav);
WebDavTicketResponse response = new WebDavTicketResponse(context.Response);
WebDavApplication.ProcessRequest(request, response);
context.Response.End();
}
}
}
}
private void Application_BeginRequest(Object source, EventArgs e)
{
// Create HttpApplication and HttpContext objects to access
// request and response properties.
HttpApplication application = (HttpApplication)source;
HttpContext context = application.Context;
if (context.Request.HttpMethod == "PROPFIND" || context.Request.HttpMethod == "OPTIONS")
{
Uri url = context.Request.Url;
if (IsWebDavRootFolderRequest(context.Request))
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavElementStorageProvider storageProvider = factory.Create <WebDavElementStorageProvider>(ObjectTypes.Folder);
if (storageProvider != null)
{
WebDavApplication.DefaultProvider = storageProvider;
WebDavTicketRequest request = new WebDavTicketRequest(context.Request, ePluginToken.webdav);
WebDavTicketResponse response = new WebDavTicketResponse(context.Response);
WebDavApplication.ProcessRequest(request, response);
context.Response.End();
}
}
}
}
/// <summary>
/// Gets the active locked webdav resources.
/// </summary>
/// <returns></returns>
public static IEnumerable<WebDavLockInfo> GetActiveLocksInfo()
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
foreach (WebDavStorageElementPropertiesRow row in WebDavStorageElementPropertiesRow.List())
{
WebDavElementStorageProvider provider = factory.Create<WebDavElementStorageProvider>(row.ObjectTypeId);
ResourceInfo resInfo = GetResourceInfoFromPropertyRow(row);
if (resInfo != null)
{
foreach (ActiveLockElement activeLockEl in provider.GetActiveLocks(resInfo))
{
OpaqueLockToken lockToken = OpaqueLockToken.Parse(activeLockEl.LockToken.InnerText);
McLockElement mcLockEl = GetMcLockElement(lockToken, provider.GetProperties(resInfo));
WebDavLockInfo retval = new WebDavLockInfo();
retval.WebDavElementPropertyId = row.PrimaryKeyId.Value;
retval.FileName = resInfo.Name;
retval.ContentTypeId = ContentTypeResolver.GetContentTypeId(resInfo.ContentType);
retval.StartLocking = new DateTime(mcLockEl.CreationDate * TimeSpan.TicksPerSecond);
retval.Duration = DateTime.UtcNow - retval.StartLocking;
UserLight user = UserLight.Load(activeLockEl.Owner);
if (user != null)
{
retval.LockedBy = user.DisplayName;
}
else
{
retval.LockedBy = "Unknow";
}
yield return retval;
}
}
}
}
/// <summary>
/// Gets the file locked user id.
/// </summary>
/// <param name="fileUrl">The file URL.</param>
/// <returns></returns>
public static UserLight GetFileLockedUserId(string fileUrl)
{
UserLight retVal = null;
try
{
WebDavTicket ticket = WebDavUrlBuilder.GetWebDavTicket(fileUrl);
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavPropertyStorage provider =
factory.Create<WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType) as WebDavPropertyStorage;
if (provider != null)
{
WebDavElementInfo elInfo = provider.GetElementInfo(ticket.ToString());
foreach (ActiveLockElement activeLock in provider.GetActiveLocks(elInfo))
{
UserLight user = UserLight.Load(activeLock.Owner);
if (user != null)
{
retVal = user;
break;
}
}
}
}
catch (System.Exception)
{
}
return retVal;
}
/// <summary>
/// Gets the file locked user id.
/// </summary>
/// <param name="fileUrl">The file URL.</param>
/// <returns></returns>
public static UserLight GetFileLockedUserId(string fileUrl)
{
UserLight retVal = null;
try
{
WebDavTicket ticket = WebDavUrlBuilder.GetWebDavTicket(fileUrl);
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavPropertyStorage provider =
factory.Create <WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType) as WebDavPropertyStorage;
if (provider != null)
{
WebDavElementInfo elInfo = provider.GetElementInfo(ticket.ToString());
foreach (ActiveLockElement activeLock in provider.GetActiveLocks(elInfo))
{
UserLight user = UserLight.Load(activeLock.Owner);
if (user != null)
{
retVal = user;
break;
}
}
}
}
catch (System.Exception)
{
}
return(retVal);
}
/// <summary>
/// Unlocks the webdav resource.
/// </summary>
/// <param name="resource">The resource.</param>
public static void UnlockResource(int webDavElementPropertyId)
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavStorageElementPropertiesRow propertyRow = null;
try
{
propertyRow = new WebDavStorageElementPropertiesRow(webDavElementPropertyId);
}
catch
{
return;
}
ResourceInfo resInfo = GetResourceInfoFromPropertyRow(propertyRow);
if (resInfo != null)
{
WebDavTicket ticket = WebDavTicket.Parse(resInfo.AbsolutePath);
WebDavElementStorageProvider storageProvider =
factory.Create <WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType);
foreach (ActiveLockElement activeLockEl in storageProvider.GetActiveLocks(resInfo))
{
OpaqueLockToken lockToken = OpaqueLockToken.Parse(activeLockEl.LockToken.InnerText);
storageProvider.Unlock(resInfo, lockToken);
}
}
}
private static ResourceInfo GetResourceInfoFromPropertyRow(WebDavStorageElementPropertiesRow propertyRow)
{
if (propertyRow == null)
{
throw new ArgumentNullException("propertyRow");
}
ResourceInfo retVal = null;
WebDavAbstractFactory factory = new WebDavAbstractFactory();
//For MetaData stored int hash for Guid value is not possible restore back from hash to Guid
if ((ObjectTypes)propertyRow.ObjectTypeId != ObjectTypes.File_MetaData)
{
WebDavElementStorageProvider provider = factory.Create <WebDavElementStorageProvider>(propertyRow.ObjectTypeId);
WebDavAbsolutePath absPath = WebDavAbsolutePath.CreateInstance((ObjectTypes)propertyRow.ObjectTypeId);
absPath.UniqueId = propertyRow.ObjectId;
absPath.FileName = "file";
WebDavTicket ticket = WebDavTicket.CreateInstance(ePluginToken.webdav, Guid.Empty, absPath);
try
{
retVal = provider.GetElementInfo(ticket.ToString()) as ResourceInfo;
}
catch (Exception)
{
}
}
return(retVal);
}
/// <summary>
/// Gets the active locked webdav resources.
/// </summary>
/// <returns></returns>
public static IEnumerable <WebDavLockInfo> GetActiveLocksInfo()
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
foreach (WebDavStorageElementPropertiesRow row in WebDavStorageElementPropertiesRow.List())
{
WebDavElementStorageProvider provider = factory.Create <WebDavElementStorageProvider>(row.ObjectTypeId);
ResourceInfo resInfo = GetResourceInfoFromPropertyRow(row);
if (resInfo != null)
{
foreach (ActiveLockElement activeLockEl in provider.GetActiveLocks(resInfo))
{
OpaqueLockToken lockToken = OpaqueLockToken.Parse(activeLockEl.LockToken.InnerText);
McLockElement mcLockEl = GetMcLockElement(lockToken, provider.GetProperties(resInfo));
WebDavLockInfo retval = new WebDavLockInfo();
retval.WebDavElementPropertyId = row.PrimaryKeyId.Value;
retval.FileName = resInfo.Name;
retval.ContentTypeId = ContentTypeResolver.GetContentTypeId(resInfo.ContentType);
retval.StartLocking = new DateTime(mcLockEl.CreationDate * TimeSpan.TicksPerSecond);
retval.Duration = DateTime.UtcNow - retval.StartLocking;
UserLight user = UserLight.Load(activeLockEl.Owner);
if (user != null)
{
retval.LockedBy = user.DisplayName;
}
else
{
retval.LockedBy = "Unknow";
}
yield return(retval);
}
}
}
}
public void ProcessRequest(HttpContext context)
{
//try
//{
//проверяем есть ли в ticket-е идентификатор сессии
WebDavTicket ticket = WebDavUrlBuilder.GetWebDavTicket(context.Request.Url.ToString());
if (ticket == null)
throw new HttpException((int)HttpStatusCode.BadRequest, "Incorrect URI.");
if (!WebDavAuthHelper.WebDavAuthentificate(context, ticket))
{
//Используем стандартный механизм аутентификации
System.Web.Security.FormsAuthentication.RedirectToLoginPage();
return;
}
//throw new HttpException((int)HttpStatusCode.Unauthorized, "Unauthorized");
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavElementStorageProvider storageProvider =
factory.Create<WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType);
if (storageProvider == null)
throw new HttpException((int)HttpStatusCode.BadRequest, "Incorrect URI.");
//Запускаем механизм обработки web dav запроса
WebDavTicketRequest request = new WebDavTicketRequest(context.Request, ePluginToken.webdav);
WebDavTicketResponse response = new WebDavTicketResponse(context.Response);
WebDavApplication.DefaultProvider = storageProvider;
try
{
bool enableTrace = Convert.ToBoolean(ConfigurationManager.AppSettings[ConstEnableTrace]);
if (enableTrace)
{
WebDavTracer.TraceBinaryBody = false;
WebDavTracer.EnableTrace = true;
}
}
catch (FormatException)
{
}
if (request.HttpMethod == WebDavHttpMethod.GET)
{
//для get запросов выключаем буферизацию для работы с большими файлами
context.Response.BufferOutput = false;
//Некоторые браузеры кешируют результаты GET запроса при редактировании на сервере.
//Установка expires равную текущей дате позволят указать браузеру что кеширование не требуется
HttpCachePolicy cache = HttpContext.Current.Response.Cache;
cache.SetExpires(DateTime.Now);
//Если для запрошенного файла стоит флаг ForceDownload и не включен фдаг WebDav
//то вернуть как attachment для выбора пользователем приложения для работы с документом
if (!string.IsNullOrEmpty(ticket.AbsolutePath.FileName))
{
string fileExtension = Path.GetExtension(ticket.AbsolutePath.FileName);
if (!ContentTypeResolver.IsWebDAVSupportedExtension(fileExtension) &&
ContentTypeResolver.IsAllowForceDownload(fileExtension))
{
context.Response.AddHeader("Content-Disposition", "attachment;" + "filename=" + ticket.AbsolutePath.FileName);
}
}
}
WebDavApplication.ProcessRequest(request, response);
//}
//catch (HttpException ex)
//{
// // Http Exception
// context.Response.Clear();
// context.Response.ContentEncoding = System.Text.Encoding.UTF8;
// context.Response.StatusCode = ex.GetHttpCode();
// context.Response.StatusDescription = ex.Message;
//}
//catch (Exception ex)
//{
// // Global Exception
// context.Response.Clear();
// context.Response.ContentEncoding = System.Text.Encoding.UTF8;
// context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
// context.Response.StatusDescription = ex.Message;
// byte[] errorBuffer = System.Text.Encoding.UTF8.GetBytes(ex.ToString());
// context.Response.OutputStream.Write(errorBuffer, 0, errorBuffer.Length);
//}
//context.Response.Flush();
}
public void ProcessRequest(HttpContext context)
{
//try
//{
//проверяем есть ли в ticket-е идентификатор сессии
WebDavTicket ticket = WebDavUrlBuilder.GetWebDavTicket(context.Request.Url.ToString());
if (ticket == null)
{
throw new HttpException((int)HttpStatusCode.BadRequest, "Incorrect URI.");
}
if (!WebDavAuthHelper.WebDavAuthentificate(context, ticket))
{
//Используем стандартный механизм аутентификации
System.Web.Security.FormsAuthentication.RedirectToLoginPage();
return;
}
//throw new HttpException((int)HttpStatusCode.Unauthorized, "Unauthorized");
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavElementStorageProvider storageProvider =
factory.Create <WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType);
if (storageProvider == null)
{
throw new HttpException((int)HttpStatusCode.BadRequest, "Incorrect URI.");
}
//Запускаем механизм обработки web dav запроса
WebDavTicketRequest request = new WebDavTicketRequest(context.Request, ePluginToken.webdav);
WebDavTicketResponse response = new WebDavTicketResponse(context.Response);
WebDavApplication.DefaultProvider = storageProvider;
try
{
bool enableTrace = Convert.ToBoolean(ConfigurationManager.AppSettings[ConstEnableTrace]);
if (enableTrace)
{
WebDavTracer.TraceBinaryBody = false;
WebDavTracer.EnableTrace = true;
}
}
catch (FormatException)
{
}
if (request.HttpMethod == WebDavHttpMethod.GET)
{
//для get запросов выключаем буферизацию для работы с большими файлами
context.Response.BufferOutput = false;
//Некоторые браузеры кешируют результаты GET запроса при редактировании на сервере.
//Установка expires равную текущей дате позволят указать браузеру что кеширование не требуется
HttpCachePolicy cache = HttpContext.Current.Response.Cache;
cache.SetExpires(DateTime.Now);
//Если для запрошенного файла стоит флаг ForceDownload и не включен фдаг WebDav
//то вернуть как attachment для выбора пользователем приложения для работы с документом
if (!string.IsNullOrEmpty(ticket.AbsolutePath.FileName))
{
string fileExtension = Path.GetExtension(ticket.AbsolutePath.FileName);
if (!ContentTypeResolver.IsWebDAVSupportedExtension(fileExtension) &&
ContentTypeResolver.IsAllowForceDownload(fileExtension))
{
context.Response.AddHeader("Content-Disposition", "attachment;" + "filename=" + ticket.AbsolutePath.FileName);
}
}
}
WebDavApplication.ProcessRequest(request, response);
//}
//catch (HttpException ex)
//{
// // Http Exception
// context.Response.Clear();
// context.Response.ContentEncoding = System.Text.Encoding.UTF8;
// context.Response.StatusCode = ex.GetHttpCode();
// context.Response.StatusDescription = ex.Message;
//}
//catch (Exception ex)
//{
// // Global Exception
// context.Response.Clear();
// context.Response.ContentEncoding = System.Text.Encoding.UTF8;
// context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
// context.Response.StatusDescription = ex.Message;
// byte[] errorBuffer = System.Text.Encoding.UTF8.GetBytes(ex.ToString());
// context.Response.OutputStream.Write(errorBuffer, 0, errorBuffer.Length);
//}
//context.Response.Flush();
}
private static ResourceInfo GetResourceInfoFromPropertyRow(WebDavStorageElementPropertiesRow propertyRow)
{
if (propertyRow == null)
{
throw new ArgumentNullException("propertyRow");
}
ResourceInfo retVal = null;
WebDavAbstractFactory factory = new WebDavAbstractFactory();
//For MetaData stored int hash for Guid value is not possible restore back from hash to Guid
if ((ObjectTypes)propertyRow.ObjectTypeId != ObjectTypes.File_MetaData)
{
WebDavElementStorageProvider provider = factory.Create<WebDavElementStorageProvider>(propertyRow.ObjectTypeId);
WebDavAbsolutePath absPath = WebDavAbsolutePath.CreateInstance((ObjectTypes)propertyRow.ObjectTypeId);
absPath.UniqueId = propertyRow.ObjectId;
absPath.FileName = "file";
WebDavTicket ticket = WebDavTicket.CreateInstance(ePluginToken.webdav, Guid.Empty, absPath);
try
{
retVal = provider.GetElementInfo(ticket.ToString()) as ResourceInfo;
}
catch (Exception)
{
}
}
return retVal;
}
/// <summary>
/// Unlocks the webdav resource.
/// </summary>
/// <param name="resource">The resource.</param>
public static void UnlockResource(int webDavElementPropertyId)
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
WebDavStorageElementPropertiesRow propertyRow = null;
try
{
propertyRow = new WebDavStorageElementPropertiesRow(webDavElementPropertyId);
}
catch
{
return;
}
ResourceInfo resInfo = GetResourceInfoFromPropertyRow(propertyRow);
if (resInfo != null)
{
WebDavTicket ticket = WebDavTicket.Parse(resInfo.AbsolutePath);
WebDavElementStorageProvider storageProvider =
factory.Create<WebDavElementStorageProvider>(ticket.AbsolutePath.StorageType);
foreach (ActiveLockElement activeLockEl in storageProvider.GetActiveLocks(resInfo))
{
OpaqueLockToken lockToken = OpaqueLockToken.Parse(activeLockEl.LockToken.InnerText);
storageProvider.Unlock(resInfo, lockToken);
}
}
}
/// <summary>
/// Creates the instance.
/// </summary>
/// <param name="storageType">Type of the storage.</param>
/// <param name="str">The STR.</param>
/// <returns></returns>
public static WebDavAbsolutePath CreateInstance(ObjectTypes storageType, byte [] byteArr)
{
WebDavAbstractFactory factory = new WebDavAbstractFactory();
return factory.Create<WebDavAbsolutePath>(storageType, byteArr);
}
