PasswordManager.cpp

#include<iostream>
#include<string>
#include<fstream>
#include "PasswordManager.h"
#include "FileHandler.h"

using namespace std;

void PasswordManager::setPassword() {
    FileHandler fileHandler;
    string newPassword;
    string pass1, pass2;
    bool doubleCheck = false;
    char choice;
    bool passwordExists = checkPasswordAvailability();
    if (passwordExists) { // to check if there's old password already set
        cout << "Do you want to change your password? (Y/N)\n";
        cin >> choice;

        if (choice == 'Y' || choice == 'y') {

            do {
                cout << "Please enter a new password:\n";
                cin.ignore();
                getline(cin, pass1);

                cout << "Please enter your password again:\n";
                getline(cin, pass2);

                if (pass1 == pass2) {
                    cout << "Your password was changed successfully!\n";
                    newPassword = pass2;
                    password = newPassword;
                    doubleCheck = true;

                    fileHandler.setPassword(password); // passing the password to the file if it matches

                    cout << "Your password is: " << newPassword << "\nremember it well!\n";
                }
                else {
                    cout << "Passwords don't match, please re-enter your password:\n";
                }
            } while (!doubleCheck);
        }
        else {
            cout << "Password won't be changed!" << endl;
        }
    }

    else { // if this is the first password to be set

        do {
            cout << "Please enter your password:\n";
            getline(cin, pass1);

            cout << "Please enter your password again:\n"; // password checker
            getline(cin, pass2);

            if (pass1 == pass2) {
                doubleCheck = true;
                cout << "Your password was set successfully!\n";
                newPassword= pass2;
                password = newPassword;

                fileHandler.setPassword(newPassword); // passing the password to the file if it matches

                cout << "Your password is: " << newPassword << "\nremember it well!\n";
                passwordExists = true;

            }

            else {
                cout << "Passwords don't match, please re-enter your password:\n";
            }
        } while (!doubleCheck);
    }
}

bool PasswordManager::getPassword(const string& pass) {
    ifstream passCheck("password.txt");
    getline(passCheck, password);
    return (pass == password); /* to check if the password entered is the
    same as the one stored in the file */
}

bool PasswordManager::checkPasswordAvailability() {
    ifstream passFile("password.txt");
    return passFile.peek() != ifstream::traits_type::eof();
}