public static void WriteError(Exception ex)
{
//Gets errorLog path from configUtility
string errorPath = IGroupUtility.Decrypt(ConfigurationManager.AppSettings["ErrorLogPath"]);
string requsetUrl = string.Empty;
if (HttpContext.Current != null && HttpContext.Current.Request != null &&
HttpContext.Current.Request.UrlReferrer != null)
{
requsetUrl = HttpContext.Current.Request.UrlReferrer.ToString();
}
else
{
requsetUrl = "no url";
}
//Formats error message
string completeInfo = requsetUrl + "__Source :" + ex.Source + Environment.NewLine +
"Stack Trace :" + ex.StackTrace + Environment.NewLine + "Error Message :"
+ ex.Message + Environment.NewLine + "Date Time :" + DateTime.Now.ToString();
completeInfo = completeInfo + Environment.NewLine +
"--------------------------------------------------------------" + Environment.NewLine;
//FileName for ErrorLog.
string fileName = DateTime.Now.ToShortDateString().Replace("/", "_") + ".txt";
//Writes Error in LocalPath.
WriteErrorInFile(completeInfo, fileName, errorPath, FileMode.Append);
}
/// <summary>
/// For zipping the multiple files into a single file
/// </summary>
/// <param name="files"></param>
/// <param name="fileSize"></param>
/// <returns></returns>
public string ZipFiles(HttpFileCollection files, out double fileSize, out string originalFileName,
out string extension)
{
fileSize = 0.0;
originalFileName = string.Empty;
extension = string.Empty;
string savedFileName = string.Empty;
try
{
List <string> fileNames = new List <string>();
extension = ConstantUtility.Extensions.Zip;
//Saving the files to the server
foreach (string key in files)
{
HttpPostedFile file = files[key];
originalFileName = file.FileName.Substring(0, file.FileName.LastIndexOf('.')) + ConstantUtility.Extensions.Zip;
savedFileName = file.FileName.Substring(0, file.FileName.LastIndexOf('.')) + "_" + Guid.NewGuid().ToString() + ConstantUtility.Extensions.Zip;
fileNames.Add(file.FileName);
fileSize += (double)file.ContentLength / 1024;
string fileName = Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.TempFolder]), file.FileName);
file.SaveAs(fileName);
}
//Zipping the multiple files
using (ZipFile zip = new ZipFile())
{
for (int i = 0; i < fileNames.Count; i++)
{
zip.AddFile(Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.TempFolder]), fileNames[i]), string.Empty);
}
zip.Save(Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.FolderPath]), savedFileName));
}
//Deleting the individual file from the server
foreach (string name in fileNames)
{
string filePath = Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.TempFolder]), name);
File.Delete(filePath);
}
}
catch (Exception ex)
{
//Log error
ErrorUtility.WriteError(ex);
}
return(savedFileName);
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
string fileId;
fileId = HttpContext.Current.Request.QueryString["FileId"];
fileId = fileId.Replace(" ", "+");
//Page.ClientScript.RegisterClientScriptBlock(GetType(), "PushNotification", "PushNotification();", true);
frmDownloadhandler.Attributes.Add("src", "DownLoadFile.aspx?FileId=" + fileId);
fileId = IGroupUtility.Decrypt(fileId);
hdnDownloadFileId.Value = fileId;
}
catch (Exception ex)
{
ErrorUtility.WriteError(ex);
}
}
/// <summary>
/// This is used for resizing the images.
/// </summary>
/// <param name="originalFilepath"></param>
/// <param name="thumbFileName"></param>
public void ResizeImage(string originalFilepath, string thumbFileName)
{
Image FullsizeImage = null;
try
{
int NewHeight = 1100;
int NewWidth = 800;
using (FullsizeImage = Image.FromFile(originalFilepath))
{
// Prevent using images internal thumbnail
FullsizeImage.RotateFlip(RotateFlipType.Rotate180FlipNone);
FullsizeImage.RotateFlip(RotateFlipType.Rotate180FlipNone);
if (FullsizeImage.Height > 500)
{
NewHeight = 1100;
// Resize with height instead
NewWidth = FullsizeImage.Width * NewHeight / FullsizeImage.Height;
}
}
FullsizeImage.Dispose();
Dictionary <string, string> Versions = new Dictionary <string, string>
{
{ "_Thumb", "width=96&height=72&format=png&dpi=150" }
};
string thumbPath = System.IO.Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.ThumbImagePath]), thumbFileName);
ImageJob ObjImageJobThumbnail = new ImageJob(originalFilepath, thumbPath, new Instructions(Versions["_Thumb"]));
ObjImageJobThumbnail.Build();
}
catch (Exception ex)
{
ErrorUtility.WriteError(ex);
}
}
protected void Page_Load(object sender, EventArgs e)
{
UploadedFile fileDetails = null;
string fileId = string.Empty;
try
{
if (!IsPostBack)
{
if (HttpContext.Current.Request.QueryString["id"] != null)
{
if (CurrentUser.IsAdmin == 1)
{
fileId = HttpContext.Current.Request.QueryString["id"];
Page.ClientScript.RegisterStartupScript(typeof(Page), "CloseConsent", "window.close();", true);
}
}
else
{
fileId = HttpContext.Current.Request.QueryString["FileId"];
//Decrypt the file id
fileId = fileId.Replace(" ", "+");
fileId = IGroupUtility.Decrypt(fileId);
}
hdnFileId.Value = fileId;
DataAccessLayer objData = new DataAccessLayer();
//Get the name of the file.
fileDetails = objData.DownloadFile(Convert.ToInt32(fileId));
if (fileDetails != null && fileDetails.IsLocked &&
!fileDetails.IsDeleted)
{
ScriptManager.RegisterStartupScript(this, GetType(), "myFunction", "ShowModalBox();", true);
}
else
{
string filePath = System.IO.Path.Combine(
IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.FolderPath]), fileDetails.SavedFileName);
//Check if the file is deleted or not by the user
if ((fileDetails != null && !fileDetails.IsDeleted && System.IO.File.Exists(filePath)) ||
(CurrentUser != null && CurrentUser.IsAdmin == 1 && fileDetails != null && !fileDetails.IsAdminDeleted &&
System.IO.File.Exists(filePath)))
{
//download the file if the file exists.
BusinessLogic objBusiness = new BusinessLogic();
objBusiness.DownloadFile(Convert.ToInt32(fileId), fileDetails);
}
else
{
ScriptManager.RegisterStartupScript(this, GetType(), "alertMessage", ConstantUtility.DownloadError, true);
}
}
}
else
{
hdnFilePassword.Value = txtFilePassword.Value;
}
}
catch (Exception ex)
{
//Log the error
ErrorUtility.WriteError(ex);
}
}
/// <summary>
/// List view's item bound command
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void lvFile_ItemDataBound(object sender, ListViewItemEventArgs e)
{
string backGroundImage = string.Empty;
string extension = string.Empty;
try
{
ListViewDataItem dataItem = (ListViewDataItem)e.Item;
if (e.Item.ItemType == ListViewItemType.DataItem)
{
System.Web.UI.HtmlControls.HtmlGenericControl divFileBox = e.Item.FindControl(ConstantUtility.FileBox) as System.Web.UI.HtmlControls.HtmlGenericControl;
System.Web.UI.HtmlControls.HtmlGenericControl dvExtension = e.Item.FindControl(ConstantUtility.ExtensionBox) as System.Web.UI.HtmlControls.HtmlGenericControl;
System.Web.UI.HtmlControls.HtmlImage imgThumbnail = e.Item.FindControl(ConstantUtility.ThumbImage) as System.Web.UI.HtmlControls.HtmlImage;
if (System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.ThumbName) != DBNull.Value &&
!string.IsNullOrEmpty((string)System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.ThumbName)))
{
imgThumbnail.Attributes.CssStyle.Add("display", "block");
dvExtension.Attributes.CssStyle.Add("display", "none");
backGroundImage = (string)System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.ThumbName);
//For setting thumbnail.
if (!string.IsNullOrEmpty(backGroundImage))
{
backGroundImage = IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.ThumbFolder]) + @"\\" + backGroundImage;
string thumbnailPath = Server.MapPath(backGroundImage);
//if the image exists, set it as a source
if (System.IO.File.Exists(thumbnailPath))
{
imgThumbnail.Src = backGroundImage;
}
}
}
else if (System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.Exe) != DBNull.Value)
{
dvExtension.Attributes.CssStyle.Add("display", "block");
imgThumbnail.Attributes.CssStyle.Add("display", "none");
extension = (string)System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.Exe);
string color = ConstantUtility.ExeBackColor;
divFileBox.Attributes.CssStyle.Add("background-color", color);
dvExtension.InnerText = extension;
}
bool fileStatus = false;
if (System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.FileStatus) != DBNull.Value)
{
bool.TryParse(Convert.ToString(System.Web.UI.DataBinder.Eval(e.Item.DataItem, ConstantUtility.FileStatus))
, out fileStatus);
}
System.Web.UI.HtmlControls.HtmlGenericControl dvLock = e.Item.FindControl(ConstantUtility.Lock) as System.Web.UI.HtmlControls.HtmlGenericControl;
System.Web.UI.HtmlControls.HtmlGenericControl dvUnlock = e.Item.FindControl(ConstantUtility.Unlock) as System.Web.UI.HtmlControls.HtmlGenericControl;
//If the file is locked
if (fileStatus)
{
dvLock.Attributes.CssStyle.Add("display", "none");
dvUnlock.Attributes.CssStyle.Add("display", "block");
}
else //if the file is not locked
{
dvLock.Attributes.CssStyle.Add("display", "block");
dvUnlock.Attributes.CssStyle.Add("display", "none");
}
if (System.Web.UI.DataBinder.Eval(e.Item.DataItem, "TinyUrl") != DBNull.Value)
{
HiddenField hdnFileUrl = e.Item.FindControl("hdnFileUrl") as HiddenField;
if (hdnFileUrl != null)
{
if (!string.IsNullOrEmpty(Convert.ToString(System.Web.UI.DataBinder.Eval(e.Item.DataItem, "TinyUrl"))))
{
hdnFileUrl.Value = Convert.ToString(System.Web.UI.DataBinder.Eval(e.Item.DataItem, "TinyUrl"));
}
else
{
if (System.Web.UI.DataBinder.Eval(e.Item.DataItem, "FileId") != DBNull.Value)
{
int fileId = 0;
if (int.TryParse(Convert.ToString(System.Web.UI.DataBinder.Eval(e.Item.DataItem, "FileId")), out fileId))
{
hdnFileUrl.Value = GetFileUrl(fileId);
}
}
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Returns the name of the file to be downloaded
/// </summary>
/// <param name="isDeleted">Whether the file is deleted or not</param>
/// <param name="isLocked">whether the file is locked or not</param>
/// <param name="filePassword">Filepassword of the locked file</param>
/// <param name="fileId">fileid of the file to be downloaded</param>
public UploadedFile DownloadFile(int fileId)
{
UploadedFile file = null;
SqlDataReader reader = null;
try
{
if (!string.IsNullOrEmpty(ConnectionString))
{
using (SqlConnection dbConnection = new SqlConnection(ConnectionString))
{
using (SqlCommand command = new SqlCommand(ConstantUtility.StoredProcedures.FileDownload, dbConnection))
{
command.CommandType = CommandType.StoredProcedure;
//Adding parameter
command.Parameters.Add(new SqlParameter(ConstantUtility.StoredProcedureParams.FileId, fileId));
dbConnection.Open();
reader = command.ExecuteReader();
//Read data using datareader
if (reader.HasRows && reader.Read())
{
file = new UploadedFile();
if (reader[ConstantUtility.IsDeleted] != DBNull.Value)
{
file.IsDeleted = Convert.ToBoolean(reader[ConstantUtility.IsDeleted]);
}
if (reader[ConstantUtility.FileStatus] != DBNull.Value)
{
file.IsLocked = Convert.ToBoolean(reader[ConstantUtility.FileStatus]);
}
if (reader[ConstantUtility.IsAdminDelete] != DBNull.Value)
{
file.IsAdminDeleted = Convert.ToBoolean(reader[ConstantUtility.IsAdminDelete]);
}
if (reader[ConstantUtility.OriginalFileName] != DBNull.Value)
{
file.OriginalFileName = Convert.ToString(reader[ConstantUtility.OriginalFileName]);
}
if (reader[ConstantUtility.SavedFileName] != DBNull.Value)
{
file.SavedFileName = Convert.ToString(reader[ConstantUtility.SavedFileName]);
}
//Check if the file password exists or not.
if (reader[ConstantUtility.FilePassword] != DBNull.Value)
{
file.FilePassword = IGroupUtility.Decrypt(Convert.ToString(reader[ConstantUtility.FilePassword]));
}
}
}
}
}
}
catch (SqlException ex)
{
//Log the error
ErrorUtility.WriteError(ex);
}
finally
{
if (reader != null)
{
((IDisposable)reader).Dispose();
}
}
return(file);
}
public void ProcessRequest(HttpContext context)
{
try
{
string machineName = System.Environment.MachineName;
string ipAddress = HttpContext.Current.Request.UserHostAddress;
int fileId = 0;
string fileName = string.Empty;
string originalFileName = string.Empty;
string savedFileName = string.Empty;
string thumbFileName = null;
string extension = string.Empty;
double fileSize = 0.0;
BusinessLogic objBusiness = new BusinessLogic();
//if there is more than one file, zip it before uploading it
if (context.Request.Files.Count > 1)
{
HttpFileCollection files = context.Request.Files;
savedFileName = ZipFiles(files, out fileSize, out originalFileName, out extension);
thumbFileName = objBusiness.ExtIconName(extension);
}
else if (context.Request.Files.Count == 1)
{
HttpFileCollection files = context.Request.Files;
foreach (string key in files)
{
HttpPostedFile file = files[key];
string guid = Guid.NewGuid().ToString();
fileName = file.FileName;
//Get the index of the last dot(.)
int indexOfExtension = fileName.LastIndexOf(".");
//Get the file extension
string fileExtension = fileName.Substring(indexOfExtension);
//Get the file name with out extension
string fileNameWithoutExtension = fileName.Substring(0, (fileName.Length - fileExtension.Length));
//Concat the file name with new guid
fileName = string.Concat(fileNameWithoutExtension, "_", guid, fileExtension);
//Get the new thumb file name
thumbFileName = string.Concat(fileNameWithoutExtension, "_", guid, "_thumb", fileExtension);
savedFileName = fileName;
//Get the physical path, where the file will be saved.
fileName = System.IO.Path.Combine(IGroupUtility.Decrypt(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.FolderPath]), fileName);
extension = Path.GetExtension(fileName).Trim().ToLower();
originalFileName = file.FileName;
//saving the file with a unique name.
file.SaveAs(fileName);
fileSize = ((double)file.ContentLength / 1024);
}
if (Convert.ToString(ConfigurationManager.AppSettings[ConstantUtility.ConfigKeys.ImageExtensions]).Contains(extension))
{
ResizeImage(fileName, thumbFileName);
}
else
{
thumbFileName = objBusiness.ExtIconName(extension);
}
}
DataAccessLayer objDataAccess = new DataAccessLayer();
if (objDataAccess != null)
{
fileId = objDataAccess.SaveFileDetails(originalFileName, savedFileName, CurrentUser.Id,
machineName, ipAddress, fileSize, extension, thumbFileName);
string fileEncryptedId = IGroupUtility.Encrypt(fileId.ToString());
//saving the data in session state.
HttpContext.Current.Session["FileId"] = fileEncryptedId;
}
context.Response.Output.Write(ConstantUtility.True);
}
catch (Exception ex)
{
//Log error
ErrorUtility.WriteError(ex);
}
}
