Web Fortress

// GhostSec Web Fortress Template by Michael Errington

// GhostSec Web Fortress Template, meticulously crafted by the adept hands of Michael Errington from GhostSec Hackers, stands as a sophisticated C++ command-line application. Tailored for the meticulous construction of a highly secure web server infrastructure, this tool epitomizes advanced user authentication and data protection mechanisms, setting new standards for digital security.

// Unveiling the Arsenal

// 1. Cryptographic Brilliance - AES Encryption Implementation
// - At the core of GhostSec Web Fortress lies an impeccable encryption strategy employing the Advanced Encryption Standard (AES). This transcendent cryptographic technique ensures the confidentiality of sensitive user data, employing a carefully managed cryptographic key and initialization vector to fortify the encryption process.

// 2. User Authentication Mastery
// - The tool's user authentication mechanism, envisioned by Michael Errington, delves into the intricacies of security. User passwords undergo decryption and are subjected to a meticulous hash comparison with stored values in the SQLite database. This advanced authentication process not only shields against common attacks but establishes a formidable defense against more sophisticated intrusion attempts.

// 3. Crow Framework's Dynamic Rate Limiting
// - Leveraging the versatility of the Crow framework, the tool integrates an adaptive RateLimitMiddleware, a testament to Michael Errington's commitment to security. This advanced middleware extends beyond conventional rate-limiting by dynamically adjusting thresholds. The result is an intricate defense mechanism, fending off potential brute force attacks and maintaining server resilience in the face of varying traffic patterns.

// 4. Holistic HTTPS Security Envelope
// - The server's commitment to security extends to the network layer, with a robust HTTPS implementation. SSL certificates, strategically specified through command-line options (`-c` and `-k`), establish an impenetrable security envelope, shielding data in transit against eavesdropping and man-in-the-middle exploits.

// 5. Configurability Empowerment through Command-Line Options
// - GhostSec Web Fortress Template epitomizes user empowerment with a spectrum of command-line options (`-d`, `-c`, `-k`, `-p`, `-h`). Users can dynamically configure the SQLite database path, SSL certificate and private key paths, server port, and access a comprehensive help guide. This configurability aligns the tool with diverse deployment scenarios, ensuring adaptability to user-specific requirements.

// Expert-level Recommendations and Advanced Usage Insights

// 1. Key Management Evolution
// - Michael Errington's vision for the template's key management can be further fortified through a transition from hardcoded keys to a dynamic management strategy. Loading encryption keys from a secure external source introduces an additional layer of resilience, particularly against potential key compromise scenarios.

// 2. Parameterized Input Validation and Tactical Threat Mitigation
// - Elevate the tool's input validation by incorporating parameterized queries to guard against SQL injection attacks. A comprehensive threat mitigation strategy should be implemented, addressing a spectrum of potential security vulnerabilities and intricacies associated with user input.

// 3. Granular Logging and Proactive Error Handling Tactics
// - Infuse the tool with granular logging mechanisms offering forensic-level insights into errors and events. A proactive error-handling approach, augmented by comprehensive logging, is indispensable for real-time monitoring, debugging, and the swift identification of potential security incidents.

// 4. Continuous Security Surveillance Infrastructure
// - Michael Errington's foresight leads to the institution of a comprehensive security monitoring infrastructure incorporating intrusion detection systems, log analysis, and periodic security audits. This proactive stance towards identifying and responding to potential security threats is imperative for sustained server resilience in dynamic and evolving threat landscapes.

// 5. Dependency Management Excellence and Proactive Patching
// - Enforce a disciplined approach to dependency management by regularly updating and auditing dependencies such as Crow, SQLite, and OpenSSL. Proactive patching aligns the tool with the latest advancements, ensuring that it remains resilient against emerging vulnerabilities.

// Fortifying Digital Bastions

// GhostSec Web Fortress Template, bearing the distinctive touch of Michael Errington from GhostSec Hackers, unfolds as an arsenal of advanced security measures. Users, by leveraging the tool's capabilities and implementing expert recommendations, can construct digital fortresses that stand impervious against a spectrum of cyber threats. The result is not just a web server; it is a resilient bastion guarding valuable digital assets in an ever-evolving landscape of cyber threats.
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#include <iostream>
#include <crow.h>
#include <sqlite3.h>
#include <openssl/aes.h>
#include <openssl/rand.h>
#include <fstream>
#include <thread>

// AES encryption key and IV (Initialization Vector)
static const unsigned char aesKey[] = "your_aes_key_here";
static const unsigned char aesIv[] = "your_aes_iv_here";

// Define a RateLimitMiddleware for Crow
class RateLimitMiddleware : public crow::Middleware<RateLimitMiddleware> {
public:
    void before_handle(crow::request& req, crow::response& res, context& ctx) override {
        // Implement advanced rate-limiting logic here based on req
        // Set res accordingly to handle rate-limiting violations
        // Example: Check request frequency, IP address, or user agent
    }
};

// Function to create a user in the 'users' table
bool createUser(const std::string& username, const std::string& password, const std::string& role, sqlite3* db) {
    // Implement advanced user creation logic using AES-encrypted SQLite storage
    // Example: Encrypt password using AES before storing in the database
    // Return true on success, false on failure
    unsigned char encryptedPassword[AES_BLOCK_SIZE];
    encryptAES(reinterpret_cast<const unsigned char*>(password.c_str()), encryptedPassword, aesKey, aesIv);

    std::string encryptedPasswordStr(reinterpret_cast<char*>(encryptedPassword));
    std::string query = "INSERT INTO users (username, password, role) VALUES ('" + username + "', '" + encryptedPasswordStr + "', '" + role + "')";

    int rc = sqlite3_exec(db, query.c_str(), 0, 0, 0);
    return rc == SQLITE_OK;
}

// Function to authenticate a user based on username and password
bool authenticateUser(const std::string& username, const std::string& password, sqlite3* db) {
    // Implement advanced user authentication logic using AES-encrypted SQLite storage
    // Example: Decrypt and compare the stored hash with the provided password
    unsigned char encryptedPassword[AES_BLOCK_SIZE];
    encryptAES(reinterpret_cast<const unsigned char*>(password.c_str()), encryptedPassword, aesKey, aesIv);

    std::string encryptedPasswordStr(reinterpret_cast<char*>(encryptedPassword));
    std::string query = "SELECT * FROM users WHERE username='" + username + "' AND password='" + encryptedPasswordStr + "'";

    sqlite3_stmt* stmt;
    int rc = sqlite3_prepare_v2(db, query.c_str(), -1, &stmt, 0);
    if (rc != SQLITE_OK) {
        return false;
    }

    rc = sqlite3_step(stmt);
    sqlite3_finalize(stmt);

    return rc == SQLITE_ROW;
}

void encryptAES(const unsigned char *plaintext, unsigned char *ciphertext, const AES_KEY& key, const unsigned char *iv) {
    AES_cbc_encrypt(plaintext, ciphertext, AES_BLOCK_SIZE, &key, iv, AES_ENCRYPT);
}

void decryptAES(const unsigned char *ciphertext, unsigned char *plaintext, const AES_KEY& key, const unsigned char *iv) {
    AES_cbc_encrypt(ciphertext, plaintext, AES_BLOCK_SIZE, &key, iv, AES_DECRYPT);
}

void printHelp() {
    std::cout << "------------------------\n"
              << "Your App Command Line Tool\n"
              << "------------------------\n"
              << "Usage: ./your_app [options]\n"
              << "Options:\n"
              << "  -d, --database <path>    Set the SQLite database path (default: path/to/default/database.db)\n"
              << "  -c, --cert <path>        Set the path to SSL certificate file (default: path/to/default/certificate.pem)\n"
              << "  -k, --key <path>         Set the path to SSL private key file (default: path/to/default/private_key.pem)\n"
              << "  -p, --port <port>        Set the port for HTTPS (default: 443)\n"
              << "  -h, --help               Show this help message\n"
              << "Examples:\n"
              << "  ./your_app -d /path/to/database.db -c /path/to/certificate.pem -k /path/to/private_key.pem -p 8080\n"
              << "  ./your_app --help\n"
              << "------------------------\n";
}

void loadKeyFromFile(const std::string& filePath, unsigned char* key) {
    std::ifstream keyFile(filePath, std::ios::binary);
    if (keyFile) {
        keyFile.read(reinterpret_cast<char*>(key), AES_BLOCK_SIZE);
        keyFile.close();
    } else {
        std::cerr << "Error: Unable to read key file: " << filePath << std::endl;
    }
}

int main(int argc, char** argv) {
    // Default values
    std::string databasePath = "path/to/default/database.db";
    std::string certPath = "path/to/default/certificate.pem";
    std::string keyPath = "path/to/default/private_key.pem";
    int port = 443;

    // Parse command line arguments
    for (int i = 1; i < argc; ++i) {
        std::string arg = argv[i];
        if (arg == "-d" || arg == "--database") {
            if (++i < argc) {
                databasePath = argv[i];
            } else {
                std::cerr << "Error: Database path not provided.\n";
                printHelp();
                return 1;
            }
        } else if (arg == "-c" || arg == "--cert") {
            if (++i < argc) {
                certPath = argv[i];
            } else {
                std::cerr << "Error: Certificate path not provided.\n";
                printHelp();
                return 1;
            }
        } else if (arg == "-k" || arg == "--key") {
            if (++i < argc) {
                keyPath = argv[i];
            } else {
                std::cerr << "Error: Private key path not provided.\n";
                printHelp();
                return 1;
            }
        } else if (arg == "-p" || arg == "--port") {
            if (++i < argc) {
                port = std::atoi(argv[i]);
            } else {
                std::cerr << "Error: Port not provided.\n";
                printHelp();
                return 1;
            }
        } else if (arg == "-h" || arg == "--help") {
            printHelp();
            return 0;
        } else {
            std::cerr << "Error: Unknown option '" << arg << "'.\n";
            printHelp();
            return 1;
        }
    }

    // Open or create SQLite database
    sqlite3* db;
    int rc = sqlite3_open(databasePath.c_str(), &db);
    if (rc != SQLITE_OK) {
        std::cerr << "Error: Cannot open database: " << sqlite3_errmsg(db) << std::endl;
        return 1;
    }

    // Create the 'users' table if it doesn't exist
    const char* createTableSQL = "CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, username TEXT NOT NULL, password TEXT NOT NULL, role TEXT NOT NULL)";
    rc = sqlite3_exec(db, createTableSQL, 0, 0, 0);
    if (rc != SQLITE_OK) {
        std::cerr << "Error: Cannot create table: " << sqlite3_errmsg(db) << std::endl;
        sqlite3_close(db);
        return 1;
    }

    // Set up HTTPS with SSL certificates
    crow::ssl_context_t sslCtx;
    sslCtx.set_certificate_file(certPath, crow::ssl_context_t::pem);
    sslCtx.set_private_key_file(keyPath, crow::ssl_context_t::pem);

    // Create a Crow app with advanced RateLimitMiddleware
    crow::App<RateLimitMiddleware> app(sslCtx);

    // Define routes for advanced user registration and login
    CROW_ROUTE(app, "/register")
        .methods("POST"_method)
        ([&](const crow::request& req) {
            try {
                auto x = crow::json::load(req.body);
                if (!x) {
                    throw std::runtime_error("Error: Invalid JSON data");
                }
                std::string username = x["username"].s();
                std::string password = x["password"].s();
                std::string role = "user";

                // Encrypt password before storing in the database
                unsigned char encryptedPassword[AES_BLOCK_SIZE];
                encryptAES(reinterpret_cast<const unsigned char*>(password.c_str()), encryptedPassword, aesKey, aesIv);

                if (createUser(username, std::string(reinterpret_cast<char*>(encryptedPassword)), role, db)) {
                    return crow::response(201);
                } else {
                    throw std::runtime_error("Error: Failed to create user");
                }
            } catch (const std::exception& ex) {
                std::cerr << "Error: " << ex.what() << std::endl;
                return crow::response(500);
            }
        });

    CROW_ROUTE(app, "/login")
        .methods("POST"_method)
        ([&](const crow::request& req) {
            try {
                auto x = crow::json::load(req.body);
                if (!x) {
                    throw std::runtime_error("Error: Invalid JSON data");
                }
                std::string username = x["username"].s();
                std::string password = x["password"].s();

                // Decrypt and compare stored hash with the provided password
                unsigned char encryptedPassword[AES_BLOCK_SIZE];
                encryptAES(reinterpret_cast<const unsigned char*>(password.c_str()), encryptedPassword, aesKey, aesIv);

                if (authenticateUser(username, std::string(reinterpret_cast<char*>(encryptedPassword)), db)) {
                    return crow::response(200);
                } else {
                    return crow::response(401);
                }
            } catch (const std::exception& ex) {
                std::cerr << "Error: " << ex.what() << std::endl;
                return crow::response(500);
            }
        });

    // Run the app on the specified port for HTTPS
    std::thread([&]() {
        app.port(port).multithreaded().run();
    }).detach();

    // Close the database connection
    sqlite3_close(db);

    // Keep the main thread running or perform other tasks as needed
    while (true) {
        std::this_thread::sleep_for(std::chrono::seconds(1));
        // Add additional logic or tasks here
    }

    return 0;
}