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Simple username and password verification

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Simple username and password verification

Post by Lucaci Andrei on Fri Nov 09, 2012 10:33 pm

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/*
* usrpass.cpp
* usrpass.cpp is licensed under GNU GENERAL PUBLIC LICENSE
* Created on: Nov 10, 2012
* Author: sin
*/
#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Pair{
string username, password;
public:
Pair(string usr, string pas){
username=usr;
password=pas;
}

string getUsr(){return username;}
string getPas(){return password;}

bool const operator==(Pair& rhs){
return (this->username==rhs.getUsr() && this->password==rhs.getPas());
}

bool const operator<(Pair &rhs){
return (this->username<rhs.getUsr() && this->password<rhs.getPas());
}

bool const operator>(Pair &rhs){
return (this->username>rhs.getUsr() && this->password>rhs.getPas());
}

bool const operator!=(Pair &rhs){
return (this->username!=rhs.getUsr() && this->password!=rhs.getPas());
}
};

bool check(vector<Pair> list, Pair elem){
vector<Pair>::iterator it=list.begin();
while (it!=list.end() && *it!=elem) ++it;
return (it!=list.end());
}

int main(){
vector<Pair> db;
db.push_back(Pair("admin", "1234"));
db.push_back(Pair("omg", "5678"));
string u, p;
cout<<"username: ";
cin>>u;
cout<<"password: ";
cin>>p;
if (check(db, Pair(u, p)))
cout<<"access granted.\n";
else
cout<<"invalid username/password.\n";
return 0;
}

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Lucaci Andrei
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