BalanceWindow::BalanceWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::BalanceWindow)
{
ui->setupUi(this);
INFO = QSystemTrayIcon::Information;
WARNING = QSystemTrayIcon::Warning;
CRYTICAL = QSystemTrayIcon::Critical;
isAuthPage = true;
setCentralWidget(ui->verticalLayoutWidget);
setupStatusBar();
setupTrayIcon();
trayMessageTimer = new QTimer();
trayMessageTimer->setSingleShot(true);
updateTimer = new QTimer();
connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateBalance()));
connect(ui->updateAction, SIGNAL(triggered()), this, SLOT(updateBalance()));
getSettings();
updateInfo();
if(!d)
updateBalance();
}
void debit(sqlite3 *db, int acc_id, double sumtoget)
{
char * acc, * sum;
acc = calloc(100, sizeof(char));
sum = calloc(100, sizeof(char));
sprintf(acc, "%i", acc_id);
sprintf(sum, "%lf", - sumtoget);
updateBalance(db, acc, sum);
free(acc);
free(sum);
}
int serverAddToWallet(BIO *conn, int clientid, EVP_PKEY *clientKey, EVP_PKEY *bankKey) {
//receive the cloud dollar file
if(recvFile(conn, TEMP_DOLLAR_FILENAME) == -1) return -1;
//receive the signature
char signature[BUFFER_SIZE];
int status = readPacket(conn, signature, sizeof(signature));
if ( status == -1 ) return -1;
int sigSize = status;
//verify the cloud dollar is real (signed by the bank and right string)
int verified = verifyCloudDollar(TEMP_DOLLAR_FILENAME, bankKey);
if(verified < 0) {
printf("\tReceived an INVALID cloud dollar.\n");
//inform user of probelm
writeInt(conn, -2);
return 0;
}
else printf("\tRecieved a valid cloud dollar.\n");
int serial;
int amount;
int user;
status = getDollarData(TEMP_DOLLAR_FILENAME, &serial, &amount, &user);
//verify the user signed the cloud dollar
verified = verifyFile(TEMP_DOLLAR_FILENAME, (unsigned char*)signature, sigSize, clientKey);
if(!verified) {
printf("\tReceived INVALID signature for the cloud dollar.\n");
//infomr user of promebl
writeInt(conn, -3);
return 0;
}
else printf("\tReceived a valid signature from %d\n", clientid);
//all valid, so up their balance
int balance = getBalance(clientid);
status = updateBalance(clientid, balance + amount);
if(status == -1) {
//inform user
writeInt(conn, -1);
return -1;
}
//inform user of success
if(writeInt(conn, amount) == -1) return -1;
return amount;
}
int serverUploadFile(BIO *conn, int clientid) {
//receive the filesize
int fileSize = readInt(conn);
if(fileSize == -1) return -1;
//the upload costs $1 per MEGABYTE
int cost = fileSize / MEGABYTE;
if(fileSize % MEGABYTE != 0) ++cost;
//check user has the balance for a file of this size
int userBalance = getBalance(clientid);
int response = 0;
if(userBalance == -1) response = -1;
else if(userBalance < cost) response = cost - userBalance;
else response = 0;
//inform user of whether we are going ahead or not
int status = writeInt(conn, response);
if(response != 0) return response;
if(status < 0) return status;
char userDirectory[BUFFER_SIZE];
snprintf(userDirectory, sizeof(userDirectory), "./%s/%d/", SERVER_FILE_FOLDER, clientid);
if(chdir(userDirectory) != 0) {
perror("serverUploadFile");
return -1;
}
//receive the file, save it with whatever name the client uses
status = recvFile(conn, NULL);
if(chdir("../../") != 0) {
perror("serverUploadFile");
return -1;
}
//update their balance
if(updateBalance(clientid, userBalance - cost) == -1) return -1;
return 1;
}
