protected void Page_Load(object sender, EventArgs e)
{
try
{
Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetNoStore();
userid = Convert.ToString(Session["userid"]);
utype = Convert.ToString(Session["utype"]);
if (userid == "undefined" && utype != "user")
{
Response.Redirect("Invalid.aspx");
}
}
catch (Exception ex) { }
try
{
int docid = Convert.ToInt32(Request.QueryString["docid"]);
GetDocumentDetails dtl = new GetDocumentDetails(docid);
string docname = dtl.DocFileName;
string docowner = dtl.DocOwner;
string filePath = Server.MapPath("UserDocs/") + docowner + "/";
string newpath = "/UserDocs/" + docowner;
BackupHost info = new BackupHost();
string remotepath = "http://" + info.StorageHostName + ":" + info.StorageHostPort + newpath;
string backuppath = "http://" + info.BackupHostName + ":" + info.BackupHostPort + newpath;
if (FileToDownload(remotepath, docname, filePath, docowner))
{
Global.DocDownloadPath = "UserDocs/" + docowner + "/" + docname;
// Response.Write(Global.DocDownloadPath);
Panel1.Visible = true;
Panel2.Visible = false;
string userid = Convert.ToString(Session["userid"]);
RecordUsage rec = new RecordUsage();
rec.record(userid, "download");
rec.record(userid, "decryption");
}
else if (FileToDownload(backuppath, docname, filePath, docowner))
{
//Global.DocDownloadPath = filePath + docname;
Global.DocDownloadPath = "UserDocs/" + docowner + "/" + docname;
// Response.Write(Global.DocDownloadPath);
Panel1.Visible = true;
Panel2.Visible = false;
string userid = Convert.ToString(Session["userid"]);
RecordUsage rec = new RecordUsage();
rec.record(userid, "download");
rec.record(userid, "decryption");
rec.record(userid, "recovery");
}
else
{
Panel1.Visible = false;
Panel2.Visible = true;
}
// else recover the file from backup server
// calculate its hash after decryption and allow it to download
}
catch (Exception ex) { }
}
protected void Process(object source, DataListCommandEventArgs e)
{
int docid = 0;
try
{
string commandname = e.CommandName.ToString();
docid = Convert.ToInt32(Convert.ToString(e.CommandArgument));
if (commandname == "download")
{
value = 2;
}
if (commandname == "askkey")
{
string userid = Convert.ToString(Session["userid"]);
GetClientDetails cdtl = new GetClientDetails(userid);
string name = cdtl.ClientName;
string email = cdtl.ClientEmailId;
DocKeysGenerator gen = new DocKeysGenerator();
gen.GetDocUserKey(docid);
string seckey = gen.DocUserKey;
GetDocumentDetails dtl = new GetDocumentDetails(docid);
string doctitle = dtl.DocTitle;
string docowner = dtl.DocOwner;
string size = dtl.DocSize + " bytes";
EmailService mail = new EmailService();
mail.sendSecKey(email, seckey, name, doctitle, docowner, size);
value = 1;
RecordUsage rec = new RecordUsage();
rec.record(userid, "askkey");
}
}
catch (Exception ex)
{
value = 0;
}
if (value == 2)
{
Response.Redirect("SecKeyAuthentication.aspx?docid=" + docid);
}
else if (value == 1)
{
message = "Secrete key generated successfully. Key is sent on your registered emailid.";
title = "Success Report";
}
else if (value == 0)
{
message = "Sorry.!! Secrete key generation failed.. Try again..";
title = "Failure Report";
}
string script = "window.onload = function(){ alert('";
script += message;
script += "')};";
ClientScript.RegisterStartupScript(this.GetType(), title, script, true);
}
protected void Process(object source, DataListCommandEventArgs e)
{
int docid = 0;
try
{
string commandname = e.CommandName.ToString();
docid = Convert.ToInt32(Convert.ToString(e.CommandArgument));
if (commandname == "download")
{
value = 2;
}
else if (commandname == "permission")
{
value = 3;
}
else if (commandname == "viewpermissions")
{
value = 4;
}
else if (commandname == "delete")
{
GetDocumentDetails dtl = new GetDocumentDetails(docid);
// delete meta file
string metafilePath = Server.MapPath("UserDocs/") + userid + "/" + dtl.DocHashFile;;
try
{
if (File.Exists(metafilePath))
{
FileStream fs = new FileStream(metafilePath, FileMode.Open, FileAccess.Read, FileShare.None);
fs.Close();
File.Delete(metafilePath);
}
}
catch (Exception ex) { }
if (obj.DeleteDoc(docid))
{
value = 1;
}
else
{
value = 0;
}
}
}
catch (Exception ex)
{
value = 0;
}
if (value == 1)
{
message = "File removed successfully..";
title = "Success Report";
string script = "window.onload = function(){ alert('";
script += message;
script += "')};";
ClientScript.RegisterStartupScript(this.GetType(), title, script, true);
}
else if (value == 0)
{
message = "Sorry.!! File processing failed.. Try again..";
title = "Failure Report";
string script = "window.onload = function(){ alert('";
script += message;
script += "')};";
ClientScript.RegisterStartupScript(this.GetType(), title, script, true);
}
else if (value == 2)
{
Response.Redirect("SecKeyAuthentication.aspx?docid=" + docid);
}
else if (value == 3)
{
Response.Redirect("AllotFilePermissions.aspx?docid=" + docid);
}
else if (value == 4)
{
Response.Redirect("ViewPermissions.aspx?docid=" + docid);
}
}
