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#include <iostream>
#include <string>
#include <fstream>
#include <algorithm>
#include <cstdlib>
using namespace std;
void createUser();
void userLogin();
void keyFob(string);
string encrypt(string);
string decrypt(string);
string duplicate(string);
ifstream file("userCred.txt");
ofstream created("userCred.txt", ios::in | ios::out | ios::app);
ifstream keyFile("private.txt");
int main()
{
char choice;
char create = '1';
char login = '2';
char exit = '3';
do {
do {
cout << endl << endl;
cout << "***** ACCOUNT ACCESS *****" << endl << endl;
cout << "1) Create New Account" << endl;
cout << "2) Login to Existing Account" << endl;
cout << "3) Exit " << endl << endl;
cout << "Please Enter Your Choice: ";
cin >> choice;
} while (choice != create && choice != login && choice != exit);
switch (choice) {
case '1':
createUser();
break;
case '2':
userLogin();
break;
default:
return 0;
}
} while (choice == '1' || choice == '2');
}
void createUser() {
//This is declaring all the strings that will be needed to create the user
string fname;
string lname;
string username;
string password;
string email;
string check;
string yes = "y";
string yes2 = "Y";
string no = "n";
string no2 = "N";
char a;
int pwdCheck;
//This declares where the new users credentials will be stored.
cout << endl << endl;
cout << "New User Account Creation" << endl;
cout << endl;
//This code queries the user and verifies the information
do
{
cout << "Please Enter Your First Name: ";
cin.ignore();
getline(cin, fname);
cout << "Please Enter Your Last Name: ";
getline(cin, lname);
cout << endl;
cout << "Please Verify That Your Name Is: " << fname << " " << lname << endl;
// This code verifies that the user has entered a the correct information.
do
{
cout << endl;
cout << "Is This Information Correct? Please ENTER (Y for Yes or N for No): ";
getline(cin, check);
} while ((check != yes) && (check != yes2) && (check != no) && (check != no2));
cout << endl;
} while ((check != yes) && (check != yes2));
// This code will store the password and verify that it meets the length requirement and that there are no empty spaces
// If it doesnt meet these requirements it will reprompt
do {
cout << "Please Enter a Password for the Created User: ";
do {
getline(cin, password);
} while (0 == password.length());
pwdCheck = password.find(' ');
if (pwdCheck > 0) {
cout << "Spaces are not permitted in your password, please try again." << endl;
cout << endl;
}
if (10 > password.length()) {
cout << "Passwords must be atleast 10 characters in length" << endl;
cout << endl;
}
} while (pwdCheck > 0 || 10 > password.length());
keyFob(password);
password = encrypt(password);
cout << "This is the encrypted password " << password << endl;
//This will take the entered information and create the username in lowercase
username = lname.substr(0, 4) += fname.at(0);
duplicate(username);
cout << "This is the username when created: " << username << endl;
for (int i = 0; i < username.length(); i++) {
username[i] = tolower(username[i]);
}
// This will check for duplicate usernames and adjust
//This creates the email account and outputs the generated email for the user
email = username + "@fbi.gov";
cout << endl << endl;
cout << "Account has been created for: " << username << endl;
cout << "Email Address: " << email << endl;
// This will write the information to the credentials file for storage
created << username + "::" + password + "::" + email << endl;
created.close();
return;
}
//This function checks for duplicate usernames within the credentials file
string duplicate(string username) {
}
void userLogin() {
string username;
string password;
string credCopy;
string creds;
int check;
int credFile;
int safety = 0;
bool authorized = false;
//This streams the credentials file into a string named transfer
string transfer((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
credCopy = string(transfer);
do {
// This will prompt the user for their username and password and store it for comparison
cout << endl;
cout << "Please enter your username: ";
cin.ignore();
getline(cin, username);
cout << endl;
cout << "Please enter your password: ";
getline(cin, password);
cout << endl;
password = encrypt(password);
//Creating credentials string and storing it as string creds
creds = username + "::" + password;
//Finding entered credentials location within the string
check = credCopy.find(creds);
credFile = credCopy.length();
//Granting or Denying Access to the user
if (check >= 0 && check < credFile) {
cout << endl << endl;
cout << " Access Granted" << endl;
cout << endl;
cout << " Welcome " << username << "!" << endl;
cout << endl;
authorized = true;
safety = 10;
}
else {
if (safety < 2) {
cout << "The Username/Password combination could not be verified, please try again." << endl;
cout << endl << endl;
safety++;
}
else {
safety++;
}
}
} while ((authorized == false) && (safety < 3));
if (safety == 3) {
cout << "This terminal has been locked for security purposes, please contact your network administrator" << endl << endl;
}
return;
}
string encrypt(string password) {
string encrypted;
string keys((std::istreambuf_iterator<char>(keyFile)), std::istreambuf_iterator<char>());
int key = atoi(keys.c_str());
cout << " Password before encryption : " << password << endl;
for (int i = 0; i <= password.length(); i++) {
if (password[i] >= '!') {
if (password[i] == 'z') {
password[i] = '!';
}
}
password[i] += key;
}
encrypted = password;
cout << " Password after encryption: " << encrypted << endl;
return encrypted;
}
void keyFob(string password) {
ofstream keyCreate("private.txt");
srand(password.length());
int keyVal = ((rand() % 20) + (rand()% 30));
keyCreate << keyVal;
keyCreate.close();
return;
}
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