public async Task <ActionResult> SearchMessages(IFormCollection form)
{
string messageToSearch = form["MessageToSearch"];
string receptor = form["receptor"];
Message mmmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
Message messageAux = new Message();
User userAux = JsonSerializer.Deserialize <User>(HttpContext.Session.GetString("thisUser"));
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:62573/api/");
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
//Cifrar mensaje
var postAllUsers = client.GetAsync("allUsers");
postAllUsers.Wait();
var fufu = postAllUsers.Result;
string asdasda = await fufu.Content.ReadAsAsync <string>();
User[] allUsersXD = JsonSerializer.Deserialize <User[]>(asdasda);
User newUser1 = new User();
User newUser2 = new User();
for (int i = 0; i < allUsersXD.Length; i++)
{
if (userAux.UserName != form["receptor"])
{
if (allUsersXD[i].UserName == userAux.UserName)
{
newUser1 = allUsersXD[i];
}
if (allUsersXD[i].UserName == form["receptor"])
{
newUser2 = allUsersXD[i];
}
}
else
{
if (allUsersXD[i].UserName == mmmm.receptor)
{
newUser1 = allUsersXD[i];
}
if (allUsersXD[i].UserName == form["receptor"])
{
newUser2 = allUsersXD[i];
}
}
}
#region "Cifrado SDES"
Diffie_Hellman _diffie = new Diffie_Hellman();
BigInteger publicNumber1 = _diffie.PublicNumberGenerator(33, 101, newUser1.Private_Number);
BigInteger publicNumber2 = _diffie.PublicNumberGenerator(33, 101, newUser2.Private_Number);
BigInteger kuser1 = _diffie.KGenerator(publicNumber2, newUser1.Private_Number, 101);
BigInteger kuser2 = _diffie.KGenerator(publicNumber1, newUser2.Private_Number, 101);
string response = "";
if (kuser1 == kuser2)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser1, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] charrArray_OriginalText = messageToSearch.ToCharArray();
byte[] original_Bytes = new byte[charrArray_OriginalText.Length];
for (int i = 0; i < charrArray_OriginalText.Length; i++)
{
original_Bytes[i] = (byte)charrArray_OriginalText[i];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(original_Bytes, "cifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charrArra_Result = new char[resultFinalBytes.Length];
for (int i = 0; i < resultFinalBytes.Length; i++)
{
charrArra_Result[i] = (char)resultFinalBytes[i];
}
for (int i = 0; i < charrArra_Result.Length; i++)
{
response += charrArra_Result[i].ToString();
}
}
messageAux.message = response;
#endregion
var postTask = client.PostAsJsonAsync <Message>("searchMessages", messageAux);
postTask.Wait();
var result = postTask.Result;
//Si encontró algún mensaje igual
if (result.IsSuccessStatusCode)
{
string resultAux = await result.Content.ReadAsAsync <string>();
Message[] allMessages = JsonSerializer.Deserialize <Message[]>(resultAux);
List <Message> allMessagesAux = new List <Message>();
for (int i = 0; i < allMessages.Length; i++)
{
bool oka = false;
if (((allMessages[i].emisor == mmmm.receptor) && (allMessages[i].receptor == receptor)) || ((allMessages[i].receptor == mmmm.receptor) && (allMessages[i].emisor == receptor)))
{
oka = true;
}
if (((allMessages[i].emisor == userAux.UserName) && (allMessages[i].receptor == receptor)) || ((allMessages[i].receptor == userAux.UserName) && (allMessages[i].emisor == receptor)) || oka)
{
if (allMessages[i].type == "message")
{
#region "Descifrado SDES"
var postAllUsers2 = client.GetAsync("allUsers");
postAllUsers2.Wait();
var fufufu = postAllUsers2.Result;
string asdasdasa = await fufufu.Content.ReadAsAsync <string>();
User[] allUsersXDD = JsonSerializer.Deserialize <User[]>(asdasdasa);
User newUser11 = new User();
User newUser22 = new User();
for (int j = 0; j < allUsersXDD.Length; j++)
{
if (userAux.UserName != form["receptor"])
{
if (allUsersXDD[j].UserName == userAux.UserName)
{
newUser11 = allUsersXDD[j];
}
if (allUsersXDD[j].UserName == receptor)
{
newUser22 = allUsersXDD[j];
}
}
else
{
if (allUsersXD[j].UserName == mmmm.receptor)
{
newUser11 = allUsersXD[j];
}
if (allUsersXD[j].UserName == form["receptor"])
{
newUser22 = allUsersXD[j];
}
}
}
Diffie_Hellman _diffie1 = new Diffie_Hellman();
BigInteger publicNumber11 = _diffie1.PublicNumberGenerator(33, 101, newUser11.Private_Number);
BigInteger publicNumber22 = _diffie1.PublicNumberGenerator(33, 101, newUser22.Private_Number);
BigInteger kuser11 = _diffie1.KGenerator(publicNumber22, newUser11.Private_Number, 101);
BigInteger kuser22 = _diffie1.KGenerator(publicNumber11, newUser22.Private_Number, 101);
string response2 = "";
if (kuser11 == kuser22)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser11, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] arrayChar = allMessages[i].message.ToCharArray();
byte[] bytes_Encrypted = new byte[arrayChar.Length];
for (int j = 0; j < arrayChar.Length; j++)
{
bytes_Encrypted[j] = (byte)arrayChar[j];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(bytes_Encrypted, "descifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charResult = new char[resultFinalBytes.Length];
for (int j = 0; j < resultFinalBytes.Length; j++)
{
charResult[j] = (char)resultFinalBytes[j];
}
for (int j = 0; j < charResult.Length; j++)
{
response2 += charResult[j].ToString();
}
}
allMessages[i].message = response2;
#endregion
}
allMessagesAux.Add(allMessages[i]);
}
}
Message[] arrayAux2 = allMessagesAux.ToArray();
HttpContext.Session.SetString("nameAllMessages", JsonSerializer.Serialize(arrayAux2));
}
#region "Motrar nuevamente usuario en el combobox"
var postTask3 = client.GetAsync("allUsers");
postTask3.Wait();
var result3 = postTask3.Result;
if (result3.IsSuccessStatusCode)
{
string resultAux3 = await result3.Content.ReadAsAsync <string>();
User[] allUsers = JsonSerializer.Deserialize <User[]>(resultAux3);
List <string> nameAllUsers = new List <string>();
for (int i = 0; i < allUsers.Length; i++)
{
Message mmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
if (allUsers[i].UserName == mmm.receptor)
{
nameAllUsers.Insert(0, mmm.receptor);
}
else if (allUsers[i].UserName != userAux.UserName)
{
nameAllUsers.Add(allUsers[i].UserName);
}
}
string[] arrayAux = nameAllUsers.ToArray();
HttpContext.Session.SetString("nameAllUsers", JsonSerializer.Serialize(arrayAux));
}
#endregion
}
return(LoginChat());
}
static void Main(string[] args)
{
//string cadena = "Hola, cómo estás?";
//byte[] arr = Encoding.Unicode.GetBytes(cadena);
//string cadena2 = Encoding.Unicode.GetString(arr);
SDES _SDES = new SDES();
_SDES.KeysGenerator("100101");
//byte[] asda = _SDES.SDES_Encryption(arr, "cifrado");
//string mondo = Encoding.Unicode.GetString(asda);
//byte[] mongo2 = Encoding.Unicode.GetBytes(mondo);
//byte[] descifrado = _SDES.SDES_Encryption(mongo2, "descifrado");
//string respuesta = Encoding.Unicode.GetString(descifrado);
//Pasar texto original a bytes
string texto = "Hola cómo estás?";
char[] arrChar_Original = texto.ToCharArray();
byte[] bytes_Originales = new byte[arrChar_Original.Length];
for (int i = 0; i < arrChar_Original.Length; i++)
{
bytes_Originales[i] = (byte)arrChar_Original[i];
}
//
//
//
//Cifrar bytes:
//byte[] textoOriginal = { 23, 84, 14, 199, 200, 80, 88, 99, 40, 40, 41, 24, 42, 3};
byte[] textoCifrado = _SDES.SDES_Encryption(bytes_Originales, "cifrado");
//
//
//
//Pasar a string el arreglo de bytes cifrado:
char[] arrayChar_Cifrado = new char[textoCifrado.Length];
for (int i = 0; i < textoCifrado.Length; i++)
{
arrayChar_Cifrado[i] = (char)textoCifrado[i];
}
string oka = "";
for (int i = 0; i < arrayChar_Cifrado.Length; i++)
{
oka += arrayChar_Cifrado[i].ToString();
}
//
//
//
//Pasar el string cifrado a arreglo de bytes
char[] arrChar_cifrado = oka.ToCharArray();
byte[] bytes_Cidrados = new byte[arrayChar_Cifrado.Length];
for (int i = 0; i < arrChar_cifrado.Length; i++)
{
bytes_Cidrados[i] = (byte)arrayChar_Cifrado[i];
}
//
//
//
//Descifrar bytes
byte[] textoDescifrado = _SDES.SDES_Encryption(bytes_Cidrados, "descifrado");
//
//
//
//Pasar a string el arreglo de bytes descifrado:
char[] arrayChar_Descifrado = new char[textoDescifrado.Length];
for (int i = 0; i < textoDescifrado.Length; i++)
{
arrayChar_Descifrado[i] = (char)textoDescifrado[i];
}
string oke1 = "";
for (int i = 0; i < arrayChar_Descifrado.Length; i++)
{
oke1 += arrayChar_Descifrado[i].ToString();
}
Console.WriteLine(oke1);
Console.ReadLine();
char[] charArray = oke1.ToCharArray();
byte[] result = new byte[charArray.Length];
for (int i = 0; i < charArray.Length; i++)
{
result[i] = (byte)charArray[i];
}
string s = Encoding.UTF8.GetString(result, 0, result.Length);
//char[] charArray = new char[textoDescifrado.Length];
//for (int i = 0; i < textoDescifrado.Length; i++)
//{
// charArray[i] = (char)textoDescifrado[i];
//}
//StringBuilder buil = new StringBuilder();
//for (int i = 0; i < charArray.Length; i++)
//{
// buil.Append(charArray[i].ToString());
//}
//string result = buil.ToString();
//_SDES.KeysGenerator("10001000");
//byte[] textoOriginal = { 23, 84, 14, 199, 200, 80, 88, 99, 40, 40, 41, 24, 42, 3};
//byte[] textoCifrado = _SDES.SDES_Encryption(textoOriginal, "cifrado");
//byte[] textoDescifrado = _SDES.SDES_Encryption(textoCifrado, "descifrado");
Console.ReadLine();
}
public async Task <ActionResult> Archive(IFormFile file, IFormCollection form)
{
User userAux = JsonSerializer.Deserialize <User>(HttpContext.Session.GetString("thisUser"));
Message message = new Message();
message.emisor = userAux.UserName;
message.receptor = form["receptor"];
message.message = "attached file";
message._id = Guid.NewGuid().ToString();
message.date = DateTime.Now;
message.type = "archive";
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:62573/api/");
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
var postTask = client.PostAsJsonAsync <Message>("addMessage", message);
postTask.Wait();
var result = postTask.Result;
if (result.IsSuccessStatusCode)
{
#region "LZW Compression"
LZW _lzw = new LZW();
byte[] resultArchive = null;
byte[] originalByte = null;
using (var memory = new MemoryStream())
{
await file.CopyToAsync(memory);
originalByte = memory.ToArray();
//nuevo
using (FileStream fstream = System.IO.File.Create(_env.ContentRootPath + "/Copy/" + file.FileName))
{
fstream.Write(memory.ToArray());
fstream.Close();
}
resultArchive = _lzw.Compression(_env.ContentRootPath + "/Copy/" + file.FileName, file.FileName);
}
System.IO.File.Delete(_env.ContentRootPath + "/Copy/" + file.FileName);
#endregion
Archive archive = new Archive
{
_id = message._id,
message = resultArchive,
name = file.FileName
};
var postTaskAux = client.PostAsJsonAsync <Archive>("addArchive", archive);
postTaskAux.Wait();
//HERE
var postTask2 = client.GetAsync("allMessages");
postTask2.Wait();
var result2 = postTask2.Result;
if (result2.IsSuccessStatusCode)
{
string resultAux2 = await result2.Content.ReadAsAsync <string>();
Message[] allMessages = JsonSerializer.Deserialize <Message[]>(resultAux2);
List <Message> allMessagesAux = new List <Message>();
for (int i = 0; i < allMessages.Length; i++)
{
if (((allMessages[i].emisor == message.emisor) && (allMessages[i].receptor == message.receptor)) || ((allMessages[i].receptor == message.emisor) && (allMessages[i].emisor == message.receptor)))
{
if (allMessages[i].type == "message")
{
#region "Descifrado SDES"
var postAllUsers2 = client.GetAsync("allUsers");
postAllUsers2.Wait();
var fufufu = postAllUsers2.Result;
string asdasdasa = await fufufu.Content.ReadAsAsync <string>();
User[] allUsersXDD = JsonSerializer.Deserialize <User[]>(asdasdasa);
User newUser11 = new User();
User newUser22 = new User();
for (int j = 0; j < allUsersXDD.Length; j++)
{
if (allUsersXDD[j].UserName == userAux.UserName)
{
newUser11 = allUsersXDD[j];
}
if (allUsersXDD[j].UserName == form["receptor"])
{
newUser22 = allUsersXDD[j];
}
}
Diffie_Hellman _diffie1 = new Diffie_Hellman();
BigInteger publicNumber11 = _diffie1.PublicNumberGenerator(33, 101, newUser11.Private_Number);
BigInteger publicNumber22 = _diffie1.PublicNumberGenerator(33, 101, newUser22.Private_Number);
BigInteger kuser11 = _diffie1.KGenerator(publicNumber22, newUser11.Private_Number, 101);
BigInteger kuser22 = _diffie1.KGenerator(publicNumber11, newUser22.Private_Number, 101);
string response2 = "";
if (kuser11 == kuser22)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser11, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] arrayChar = allMessages[i].message.ToCharArray();
byte[] bytes_Encrypted = new byte[arrayChar.Length];
for (int j = 0; j < arrayChar.Length; j++)
{
bytes_Encrypted[j] = (byte)arrayChar[j];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(bytes_Encrypted, "descifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charResult = new char[resultFinalBytes.Length];
for (int j = 0; j < resultFinalBytes.Length; j++)
{
charResult[j] = (char)resultFinalBytes[j];
}
for (int j = 0; j < charResult.Length; j++)
{
response2 += charResult[j].ToString();
}
}
allMessages[i].message = response2;
#endregion
}
allMessagesAux.Add(allMessages[i]);
}
}
#region "Motrar nuevamente usuario en el combobox"
var postTask3 = client.GetAsync("allUsers");
postTask3.Wait();
var result3 = postTask3.Result;
if (result3.IsSuccessStatusCode)
{
string resultAux3 = await result3.Content.ReadAsAsync <string>();
User[] allUsers = JsonSerializer.Deserialize <User[]>(resultAux3);
List <string> nameAllUsers = new List <string>();
for (int i = 0; i < allUsers.Length; i++)
{
Message mmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
if (allUsers[i].UserName == mmm.receptor)
{
nameAllUsers.Insert(0, mmm.receptor);
}
else if (allUsers[i].UserName != userAux.UserName)
{
nameAllUsers.Add(allUsers[i].UserName);
}
}
string[] arrayAux = nameAllUsers.ToArray();
HttpContext.Session.SetString("nameAllUsers", JsonSerializer.Serialize(arrayAux));
}
#endregion
Message[] arrayAux2 = allMessagesAux.ToArray();
HttpContext.Session.SetString("nameAllMessages", JsonSerializer.Serialize(arrayAux2));
return(RedirectToAction("LoginChat"));
}
}
else
{
return(StatusCode(500));
}
}
return(StatusCode(500));
}
