gitrecon/src/utils/validators.js

This CLI tool is designed to retrieve exposed email addresses from a GitHub user’s public activity and to identify a GitHub username associated with a given email address. It is intended strictly for educational use and ethical security research. Please u

// validation functions

// Helper function to check email validity - orijinal koddan
const isValidEmail = (email) => {
    const re = /\S+@\S+\.\S+/;
    return re.test(email);
};

// Function to mask email addresses for display - orijinal koddan
const maskEmail = (email) => {
    const parts = email.split('@');
    if (parts.length !== 2) return email;

    const [name, domain] = parts;

    // For very short usernames, just show first character
    if (name.length <= 3) {
        return `${name.charAt(0)}${'*'.repeat(name.length - 1)}@${domain}`;
    }

    // For normal usernames, show first and last character
    const maskedName = `${name.charAt(0)}${'*'.repeat(name.length - 2)}${name.charAt(name.length - 1)}`;
    return `${maskedName}@${domain}`;
};

class Validators {
    static isValidEmail = isValidEmail;
    static maskEmail = maskEmail;

    // Additional validation methods
    static isValidUsername(username) {
        return username && typeof username === 'string' && username.trim().length > 0;
    }

    static isValidUrl(url) {
        try {
            new URL(url);
            return true;
        } catch {
            return false;
        }
    }
}

module.exports = Validators;