Baza danych

#include <iostream>
#include <string>
#include <fstream>
#include <conio.h>
#include <ctime>
#include <cstdlib>


using namespace std;

void welcome()
{
    cout << endl;
    cout << "\t\t Welcom in my world." << endl;
    cout << "\t\t Say hello if you want to be my friend." << endl;
    cout << endl;
}

//Logowanie
void readPassword()
{
    //Logowanie
    string login_adm = "admin";
    string password_adm = "test";
   
    cout << "\t\t Enter your login and password: " << endl;
    cout << "Login: " << endl;
    cin >> login_adm;
    cout << endl;
   
    //ukrycie hasła pod "*"
    cout << "Password: " << endl;
    password_adm = "";
    char ch = _getch();
    while( ch != 13 )
    {
        password_adm.push_back( ch );
        cout << '*';
        ch = _getch();
    }
    //Info o dostępie lub odmowie
    ofstream accessInfo( "Access_or_Denied_Info.txt", ios_base::app );
    if( login_adm == "admin" && password_adm == "test" )
    {
        accessInfo << "Access Granted\n" << "Date: " << __DATE__ << endl;
        accessInfo << "User: " << login_adm << endl;
        accessInfo << "Time: " << __TIME__ << endl;
        accessInfo << "-----------------------------" << endl;
       
    }
    else
    {
        accessInfo << "Access Denied\n" << "Date: " << __DATE__ << endl;
        accessInfo << "User: " << login_adm << endl;
        accessInfo << "" << "Time: " << __TIME__ << endl;
        accessInfo << "-----------------------------" << endl;
    }
   
    accessInfo.close();
   
    cout << "\t\t\tAccess information saved to file.\n";
   
    string granted = "Access_Granted";
    string denied = "Access_Denied";
   
    //Zapis do pliku
   
    fstream file;
    file.open( "User_Data.txt", ios_base::app );
    file << "User_Login: " << login_adm << endl;
    file << "User_Password: " << password_adm << endl;
    file << "-----------------------------" << endl;
    file.close();
   
    ofstream userFile( "User_File.txt", ios_base::app );
    userFile << "User: " << login_adm << endl;
    userFile << "Date: " << __DATE__ << endl;
    userFile << "Time: " << __TIME__ << endl;
    userFile << "-----------------------------" << endl;
   
    userFile.close();
   
    if(( login_adm == "admin" ) &&( password_adm == "test" ) )
    {
        cout << "\t\t\t\t Access granted." << endl;
        file << granted << endl;
    }
    else
         cout << "\t\t\t\t Access denied. " << endl;
   
    if(( login_adm != "admin" ) &&( password_adm == "test" ) ||( login_adm == "admin" ) &&( password_adm != "test" ) ||( login_adm != "admin" ) &&( password_adm != "test" ) )
    {
        file << denied << endl;
    }
   
}

//Generowanie losowego hasła
string generatePassword( int minLength = 6, int maxLength = 8 )
{
    string charset = "0123456789qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM!@#$%^&*?";
    int charLength = charset.length();
    int length = rand() - 100 %( maxLength - minLength + 1 ) + minLength;
    string new_password_generate;
   
    while( true )
    {
        string new_password_generate = "";
        for( int i = 1; i < length; ++i )
        {
            new_password_generate += charset[ rand() - 100 % charLength ];
        }
       
        if( new_password_generate.find_first_of( "0123456789" ) != string::npos &&
        new_password_generate.find_first_of( "qwertyuiopasdfghjklzxcvbnm" ) != string::npos &&
        new_password_generate.find_first_of( "QWERTYUIOPASDFGHJKLZXCVBNM" ) != string::npos &&
        new_password_generate.find_first_of( "!@#$%^&*?" ) != string::npos )
       
       
        {
            int specialCount = 0;
            for( char c: new_password_generate )
            {
                if( !isalnum( c ) )
                {
                    specialCount++;
                }
            }
            if( specialCount >= 3 )
            {
                break;
            }
        }
    }
   
    return new_password_generate;
}

void passwdFile()
{
    string new_password_generate = generatePassword();
   
    ofstream passwdFile( "Generate_password.txt", ios_base::app );
    if( passwdFile.is_open() )
    {
        passwdFile << "User: Admin ----- " << "New password: " << generatePassword << "  " << __DATE__ << " " << __TIME__ << endl;
        passwdFile << "--------------------------------------------------------------------------------------" << endl;
        passwdFile.close();
    }
   
}


int main()
{
    //Powitanie
    welcome();
   
    //Logowanie
    readPassword();
   
    //Generowanie losowego hasła - zapis do pliku
    srand( time( NULL ) );
    passwdFile();
   
   
   
    cout << endl;
    system( "pause" );
    return 0;
}

#include <iostream>
#include <string>
#include <fstream>
#include <conio.h>
#include <ctime>
#include <cstdlib>

using namespace std;

void displayWelcomeMessage()
{
    cout << "-------------------------------------------------------------------" << endl;
    cout << "Welcome to the user database. Please enter your login and password." << endl;
    cout << "-------------------------------------------------------------------" << endl;
}

void getUserCredentials( string & loginUser, string & passwordUser )
{
    cout << "Enter your login: ";
    cin >> loginUser;
   
    cout << "Enter your password: ";
    char c;
    passwordUser = "";
    while(( c = _getch() ) != '\r' )
    {
        passwordUser.push_back( c );
        cout << '*';
    }
    cout << endl;
}

void saveUserDataToFile( const string & loginUser, const string & passwordUser )
{
    ofstream file( "User_Data_Admin.txt", ios_base::app );
    if( file.is_open() )
    {
        file << "Login: " << loginUser << endl;
        file << "Password: " << passwordUser << endl;
        file << __DATE__ << " " << __TIME__ << endl;
        file << "-------------------------------------------------------------------" << endl;
        file.close();
    }
}

void checkAccess( const string & loginUser, const string & passwordUser )
{
    bool hasAccess =( loginUser == "admin" && passwordUser == "admin123" );
    ofstream accessFile( "Access_Info_Admin.txt", ios_base::app );
    if( accessFile.is_open() )
    {
        accessFile << "Access: " <<( hasAccess ? "Granted": "Denied" ) << endl;
        accessFile << __DATE__ << " " << __TIME__ << endl;
        accessFile << "-------------------------------------------------------------------" << endl;
        accessFile.close();
    }
}

void addNewUserAndPassword()
{
    string newLogin, newPassword;
    cout << "Enter new user login: ";
    cin >> newLogin;
   
    cout << "Enter new user password: ";
    char c;
    newPassword = "";
    while(( c = _getch() ) != '\r' )
    {
        newPassword.push_back( c );
        cout << '*';
    }
    cout << endl;
   
    ofstream file2( "New_user.txt", ios_base::app );
    if( file2.is_open() )
    {
        file2 << "New User Login: " << newLogin << endl;
        file2 << "New User Password: " << newPassword << endl;
        file2 << __DATE__ << " " << __TIME__ << endl;
        file2 << "-------------------------------------------------------------------" << endl;
        file2.close();
    }
   
}

/* Wyświetlanie danych nowego użytkownika po ich wprowadzeniu
void displayFileContent(const string& filename)
{
    ifstream file(filename);
    if (file.is_open())
    {
        string line;
        while (getline(file, line))
        {
            cout << line << endl;
        }
        file.close();
    }
}*/

int main()
{
   
    displayWelcomeMessage();
   
    string loginUser, passwordUser;
    getUserCredentials( loginUser, passwordUser );
   
    saveUserDataToFile( loginUser, passwordUser );
    checkAccess( loginUser, passwordUser );
   
    addNewUserAndPassword();
    addNewUserAndPassword();
   
    /*  Wyświetlanie danych nowego użytkownika po ich wprowadzeniu cd.
    displayFileContent("New_user.txt");
    */
   
    return 0;
}