From 6835555169d956e956af983282ba4b7351654b33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20St=C4=99pie=C5=84?= <lukaszatepien@gmail.com>
Date: Wed, 24 Apr 2024 08:21:02 +0200
Subject: [PATCH] 24-04-24 Password Manager

---
 .idea/.gitignore                              |  2 +
 .../PasswordManager.cpp                       | 66 +++++++++++++++++++
 24-04-2024 Password Manager/main.cpp          | 39 +++++++++++
 3 files changed, 107 insertions(+)
 create mode 100644 24-04-2024 Password Manager/PasswordManager.cpp
 create mode 100644 24-04-2024 Password Manager/main.cpp

diff --git a/.idea/.gitignore b/.idea/.gitignore
index 13566b8..a9d7db9 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -6,3 +6,5 @@
 # Datasource local storage ignored files
 /dataSources/
 /dataSources.local.xml
+# GitHub Copilot persisted chat sessions
+/copilot/chatSessions
diff --git a/24-04-2024 Password Manager/PasswordManager.cpp b/24-04-2024 Password Manager/PasswordManager.cpp
new file mode 100644
index 0000000..e4a9406
--- /dev/null
+++ b/24-04-2024 Password Manager/PasswordManager.cpp	
@@ -0,0 +1,66 @@
+#include <fstream>
+#include <iostream>
+#include <string>
+
+class PasswordManager {
+private:
+    std::string username;
+    std::string password;
+    int shift = 3;  // Shift value for Caesar cipher
+
+    std::string encrypt(const std::string& text) {
+        std::string encrypted_text;
+        for (char c : text) {
+            if (isalpha(c)) {
+                char base = isupper(c) ? 'A' : 'a';
+                c = ((c - base + shift) % 26) + base;
+            }
+            encrypted_text += c;
+        }
+        return encrypted_text;
+    }
+
+    std::string decrypt(const std::string& text) {
+        std::string decrypted_text;
+        for (char c : text) {
+            if (isalpha(c)) {
+                char base = isupper(c) ? 'A' : 'a';
+                c = ((c - base - shift + 26) % 26) + base;
+            }
+            decrypted_text += c;
+        }
+        return decrypted_text;
+    }
+
+public:
+    void setData(std::string username, std::string password) {
+        this->username = username;
+        this->password = password;
+    }
+
+    void saveToFile(std::string fileName) {
+        std::ofstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            file << encrypt(username) << "\n" << encrypt(password);
+            file.close();
+        } else {
+            std::cout << "Unable to open file for writing.\n";
+        }
+    }
+
+    void readFromFile(std::string fileName) {
+        std::ifstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            std::getline(file, username);
+            std::getline(file, password);
+            file.close();
+            username = decrypt(username);
+            password = decrypt(password);
+            std::cout << "Username: " << username << "\nPassword: " << password << "\n";
+        } else {
+            std::cout << "Unable to open file for reading.\n";
+        }
+    }
+};
\ No newline at end of file
diff --git a/24-04-2024 Password Manager/main.cpp b/24-04-2024 Password Manager/main.cpp
new file mode 100644
index 0000000..b6334cd
--- /dev/null
+++ b/24-04-2024 Password Manager/main.cpp	
@@ -0,0 +1,39 @@
+#include <fstream>
+#include <iostream>
+#include <string>
+
+class PasswordManager {
+private:
+    std::string username;
+    std::string password;
+
+public:
+    void setData(std::string username, std::string password) {
+        this->username = username;
+        this->password = password;
+    }
+
+    void saveToFile(std::string fileName) {
+        std::ofstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            file << username << "\n" << password;
+            file.close();
+        } else {
+            std::cout << "Unable to open file for writing.\n";
+        }
+    }
+
+    void readFromFile(std::string fileName) {
+        std::ifstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            std::getline(file, username);
+            std::getline(file, password);
+            file.close();
+            std::cout << "Username: " << username << "\nPassword: " << password << "\n";
+        } else {
+            std::cout << "Unable to open file for reading.\n";
+        }
+    }
+};
\ No newline at end of file