//BUTTON: DECRYPT
private void buttonDecrypt_Click(object sender, RoutedEventArgs e)
{
if (chatListView.Items.Any() != false)
{
ListViewItem temp = (ListViewItem)chatListView.SelectedItems[0];
if (temp != null)
{
MessageItem msg = (MessageItem)temp.Tag;
string encryptedMessage = msg.returnObject_message(msg);
if (msg.returnObject_isEncrypted(msg) == true)
{
String decryptedMessage = Crypto.Decrypt(App.strAsymmetricAlgName, Crypto.returnPrivateKey(App.secrets), encryptedMessage);
temp.Content = "(" + msg.returnObject_timeStamp(msg) + ")" + " " + msg.returnObject_userid(msg) + ": " + "**DECRYPTED MESSAGE**: " + decryptedMessage;
}
}
}
}
//CHATLISTVIEW SELECTION: (DEBUG MODE) OUTPUT CONTENTS OF CHAT OBJECT TO FRIENDS
private void chatListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
try {
ListViewItem temp = (ListViewItem)chatListView.SelectedItems[0];
MessageItem msg = (MessageItem)temp.Tag;
if (App.DEBUG_MODE == true)
{
friendsList.Items.Clear();
friendsList.Items.Add("==DEBUG MODE OUTPUT==");
friendsList.Items.Add(msg.returnObject_message(msg));
friendsList.Items.Add(msg.returnObject_timeStamp(msg));
friendsList.Items.Add(msg.returnObject_userSent(msg));
friendsList.Items.Add(msg.returnObject_isEncrypted(msg).ToString());
}
}
catch (System.Runtime.InteropServices.COMException) {
if (App.DEBUG_MODE == true)
{
Debug.WriteLine("Interop Bug detected");
}
}
}
//Loads conversation for selected user
/*private async void loadLastConversation()
{
//GET request to server (fetch new messages from server at the same time)
using (HttpClient client = new HttpClient()) //using block makes the object disposable (one time use)
{
using (HttpResponseMessage response = await client.GetAsync("http://159.203.252.197/messages")) //BUG: HANDLE OFFLINE MODE
{
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET Status Code: " + response.StatusCode);
Debug.WriteLine("GET Reason: " + response.ReasonPhrase);
}
using (HttpContent content = response.Content)
{
string content_string = await content.ReadAsStringAsync();
System.Net.Http.Headers.HttpContentHeaders content_headers = content.Headers;
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET content: " + content_string);
Debug.WriteLine("GET content headers: " + content_headers);
}
//Load messages into chat list window
List<MessageItem> incomingMessages = JsonConvert.DeserializeObject<List<MessageItem>>(content_string);
for (int x = 0; x < incomingMessages.Count; x++)
{
ListViewItem incomingItems = new ListViewItem();
//Outputs desired text into the actual chat window
incomingItems.Content = incomingMessages[x].messageText();
//References the MessageItem object
incomingItems.Tag = incomingMessages[x];
chatListView.Items.Add(incomingItems);
}
}
}
}
} */
//POST FUNCTION
private async void postMessage(String input, Boolean secureStatus)
{
if (input != String.Empty && App.userManagement.conversationIsNotNull())
{
//Encrypt text from input box if encryption is on
// String timeStamp = DateTime.Now.ToString("MM/d/yy h:mm tt");
String finalInput;
if(secureStatus == false) {
finalInput = input;
} else {
finalInput = Crypto.Encrypt(App.strAsymmetricAlgName, Crypto.returnPublicKey_OTHER_USER(App.secrets), input);
}
//Load the text and associated message data into a messageItem object
MessageItem newMessage = new MessageItem { conversation= App.userManagement.getConversationURL_string(),
message = finalInput,
userSent = App.userManagement.getOtherUserURL_string(),
//timeStamp = timeStamp,
userid = App.userManagement.getCurrentUser_string(),
isEncrypted = secureStatus
};
//Create a Key and Pair match with the new messageItem object data in preparation of Http request
var values = new Dictionary<string, string>
{
{ "conversation", newMessage.returnObject_conversation(newMessage) },
{ "encrypted", newMessage.returnObject_isEncryptedString(newMessage) },
{ "sentTo", "http://159.203.252.197/users/1/" },
{ "text" , newMessage.returnObject_message(newMessage) }
};
//Encode the key pair match in preparation of Http request
var theContent = new FormUrlEncodedContent(values);
//POST request to the server with the encoded data (create HttpClient)
using (HttpClient client = new HttpClient()) //using block makes the object disposable (one time use)
{
//Check HTTP data
if (App.DEBUG_MODE == true)
{
Debug.WriteLine("POST CREDENTIALS: "+App.userManagement.getCurrentUser_string() + ":" + currentUserPasswordActual.Password);
}
//Load User credentials from currentUser and password field located on user interface into the client object
var byteArray = Encoding.ASCII.GetBytes(App.userManagement.getCurrentUser_string() + ":"+currentUserPasswordActual.Password);
var header = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
client.DefaultRequestHeaders.Authorization = header;
//Post the message to the server
using (HttpResponseMessage response = await client.PostAsync("http://159.203.252.197/messages/", theContent)) {
//Check HTTP data
if (App.DEBUG_MODE) {
Debug.WriteLine("POST Status Code: " + response.StatusCode);
Debug.WriteLine("POST Reason: " + response.ReasonPhrase);
using (HttpContent content = response.Content) {
string content_string = await content.ReadAsStringAsync();
Debug.WriteLine("POST contents: "+content_string);
}
}
//Refreshes ChatListView with recently POSTed string. If credentials are wrong, output INVALID CREDENTIALS to chatwindow
if (response.IsSuccessStatusCode == true) {
//GET request to server to update chatListView with recentely POSTed message
using (HttpClient client2 = new HttpClient()) //using block makes the object disposable (one time use)
{
using (HttpResponseMessage response2 = await client2.GetAsync("http://159.203.252.197/messages/"))
{
//Check HTTP data
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET Status Code: " + response2.StatusCode);
Debug.WriteLine("GET Reason: " + response2.ReasonPhrase);
}
using (HttpContent content2 = response2.Content)
{
string content_string2 = await content2.ReadAsStringAsync();
System.Net.Http.Headers.HttpContentHeaders content_headers2 = content2.Headers;
//Check HTTP data
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET content: " + content_string2);
Debug.WriteLine("GET content headers: " + content_headers2);
}
//TEMPORARY METHOD TO POST MESSAGES FROM SERVER TO CHAT VIEW
List<MessageItem> incomingMessages = JsonConvert.DeserializeObject<List<MessageItem>>(content_string2);
ListViewItem incomingItems = new ListViewItem();
int lastMessage = incomingMessages.Count - 1;
incomingItems.Content = incomingMessages[lastMessage].messageText(); //Outputs desired text into the actual chat window
incomingItems.Tag = incomingMessages[lastMessage]; //References the MessageItem object
chatListView.Items.Add(incomingItems);
}
}
}
} else {
var dialog = new MessageDialog("");
dialog.Title = "INVALID USER/PASSWORD COMBINATION";
dialog.Content = "You have entered the wrong password for the selected user, please try again";
dialog.Commands.Add(new UICommand { Label = "Ok", Id = 0 });
var res = await dialog.ShowAsync();
}
}
}
}
//Clear textbox and auto scroll to the bottom
inputBox.Text = String.Empty;
chatListViewScroller.UpdateLayout();
chatListViewScroller.ScrollToVerticalOffset(chatListView.ActualHeight);
}
//Loads conversation for selected user
/*private async void loadLastConversation()
* {
* //GET request to server (fetch new messages from server at the same time)
* using (HttpClient client = new HttpClient()) //using block makes the object disposable (one time use)
* {
* using (HttpResponseMessage response = await client.GetAsync("http://159.203.252.197/messages")) //BUG: HANDLE OFFLINE MODE
* {
* if (App.DEBUG_MODE)
* {
* Debug.WriteLine("GET Status Code: " + response.StatusCode);
* Debug.WriteLine("GET Reason: " + response.ReasonPhrase);
* }
* using (HttpContent content = response.Content)
* {
* string content_string = await content.ReadAsStringAsync();
* System.Net.Http.Headers.HttpContentHeaders content_headers = content.Headers;
* if (App.DEBUG_MODE)
* {
* Debug.WriteLine("GET content: " + content_string);
* Debug.WriteLine("GET content headers: " + content_headers);
* }
*
* //Load messages into chat list window
* List<MessageItem> incomingMessages = JsonConvert.DeserializeObject<List<MessageItem>>(content_string);
* for (int x = 0; x < incomingMessages.Count; x++)
* {
* ListViewItem incomingItems = new ListViewItem();
*
* //Outputs desired text into the actual chat window
* incomingItems.Content = incomingMessages[x].messageText();
*
* //References the MessageItem object
* incomingItems.Tag = incomingMessages[x];
* chatListView.Items.Add(incomingItems);
* }
* }
* }
* }
* } */
//POST FUNCTION
private async void postMessage(String input, Boolean secureStatus)
{
if (input != String.Empty && App.userManagement.conversationIsNotNull())
{
//Encrypt text from input box if encryption is on
// String timeStamp = DateTime.Now.ToString("MM/d/yy h:mm tt");
String finalInput;
if (secureStatus == false)
{
finalInput = input;
}
else
{
finalInput = Crypto.Encrypt(App.strAsymmetricAlgName, Crypto.returnPublicKey_OTHER_USER(App.secrets), input);
}
//Load the text and associated message data into a messageItem object
MessageItem newMessage = new MessageItem {
conversation = App.userManagement.getConversationURL_string(),
message = finalInput,
userSent = App.userManagement.getOtherUserURL_string(),
//timeStamp = timeStamp,
userid = App.userManagement.getCurrentUser_string(),
isEncrypted = secureStatus
};
//Create a Key and Pair match with the new messageItem object data in preparation of Http request
var values = new Dictionary <string, string>
{
{ "conversation", newMessage.returnObject_conversation(newMessage) },
{ "encrypted", newMessage.returnObject_isEncryptedString(newMessage) },
{ "sentTo", "http://159.203.252.197/users/1/" },
{ "text", newMessage.returnObject_message(newMessage) }
};
//Encode the key pair match in preparation of Http request
var theContent = new FormUrlEncodedContent(values);
//POST request to the server with the encoded data (create HttpClient)
using (HttpClient client = new HttpClient()) //using block makes the object disposable (one time use)
{
//Check HTTP data
if (App.DEBUG_MODE == true)
{
Debug.WriteLine("POST CREDENTIALS: " + App.userManagement.getCurrentUser_string() + ":" + currentUserPasswordActual.Password);
}
//Load User credentials from currentUser and password field located on user interface into the client object
var byteArray = Encoding.ASCII.GetBytes(App.userManagement.getCurrentUser_string() + ":" + currentUserPasswordActual.Password);
var header = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
client.DefaultRequestHeaders.Authorization = header;
//Post the message to the server
using (HttpResponseMessage response = await client.PostAsync("http://159.203.252.197/messages/", theContent)) {
//Check HTTP data
if (App.DEBUG_MODE)
{
Debug.WriteLine("POST Status Code: " + response.StatusCode);
Debug.WriteLine("POST Reason: " + response.ReasonPhrase);
using (HttpContent content = response.Content) {
string content_string = await content.ReadAsStringAsync();
Debug.WriteLine("POST contents: " + content_string);
}
}
//Refreshes ChatListView with recently POSTed string. If credentials are wrong, output INVALID CREDENTIALS to chatwindow
if (response.IsSuccessStatusCode == true)
{
//GET request to server to update chatListView with recentely POSTed message
using (HttpClient client2 = new HttpClient()) //using block makes the object disposable (one time use)
{
using (HttpResponseMessage response2 = await client2.GetAsync("http://159.203.252.197/messages/"))
{
//Check HTTP data
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET Status Code: " + response2.StatusCode);
Debug.WriteLine("GET Reason: " + response2.ReasonPhrase);
}
using (HttpContent content2 = response2.Content)
{
string content_string2 = await content2.ReadAsStringAsync();
System.Net.Http.Headers.HttpContentHeaders content_headers2 = content2.Headers;
//Check HTTP data
if (App.DEBUG_MODE)
{
Debug.WriteLine("GET content: " + content_string2);
Debug.WriteLine("GET content headers: " + content_headers2);
}
//TEMPORARY METHOD TO POST MESSAGES FROM SERVER TO CHAT VIEW
List <MessageItem> incomingMessages = JsonConvert.DeserializeObject <List <MessageItem> >(content_string2);
ListViewItem incomingItems = new ListViewItem();
int lastMessage = incomingMessages.Count - 1;
incomingItems.Content = incomingMessages[lastMessage].messageText(); //Outputs desired text into the actual chat window
incomingItems.Tag = incomingMessages[lastMessage]; //References the MessageItem object
chatListView.Items.Add(incomingItems);
}
}
}
}
else
{
var dialog = new MessageDialog("");
dialog.Title = "INVALID USER/PASSWORD COMBINATION";
dialog.Content = "You have entered the wrong password for the selected user, please try again";
dialog.Commands.Add(new UICommand {
Label = "Ok", Id = 0
});
var res = await dialog.ShowAsync();
}
}
}
}
//Clear textbox and auto scroll to the bottom
inputBox.Text = String.Empty;
chatListViewScroller.UpdateLayout();
chatListViewScroller.ScrollToVerticalOffset(chatListView.ActualHeight);
}