# LexiPro .htaccess
# Configuración de seguridad y optimización

# Protección de archivos sensibles
<FilesMatch "\.(sql|json|log|md)$">
    Order allow,deny
    Deny from all
</FilesMatch>

<Files "config.php">
    Order allow,deny
    Deny from all
</Files>

# Prevenir listado de directorios
Options -Indexes

# Habilitar rewrite engine
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    
    # Protección contra inyección de código
    RewriteCond %{QUERY_STRING} (<|%3C).*script.*(>|%3E) [NC,OR]
    RewriteCond %{QUERY_STRING} GLOBALS(=|[|%[0-9A-Z]{0,2}) [OR]
    RewriteCond %{QUERY_STRING} _REQUEST(=|[|%[0-9A-Z]{0,2})
    RewriteRule ^(.*)$ index.php [F,L]
    
    # Redirigir a HTTPS (opcional, descomentar si tienes SSL)
    # RewriteCond %{HTTPS} off
    # RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</IfModule>

# Configuración PHP
<IfModule mod_php7.c>
    php_value upload_max_filesize 50M
    php_value post_max_size 50M
    php_value max_execution_time 300
    php_value max_input_time 300
    php_value memory_limit 256M
    php_flag display_errors Off
    php_flag log_errors On
</IfModule>

# Compresión GZIP
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript
    AddOutputFilterByType DEFLATE application/javascript application/json application/xml
</IfModule>

# Cache de archivos estáticos
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType image/jpg "access plus 1 year"
    ExpiresByType image/jpeg "access plus 1 year"
    ExpiresByType image/gif "access plus 1 year"
    ExpiresByType image/png "access plus 1 year"
    ExpiresByType image/webp "access plus 1 year"
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType application/pdf "access plus 1 month"
</IfModule>

# Headers de seguridad
<IfModule mod_headers.c>
    Header set X-Content-Type-Options "nosniff"
    Header set X-Frame-Options "SAMEORIGIN"
    Header set X-XSS-Protection "1; mode=block"
    Header set Referrer-Policy "strict-origin-when-cross-origin"
</IfModule>

# Protección hotlinking de imágenes
<IfModule mod_rewrite.c>
    RewriteCond %{HTTP_REFERER} !^$
    RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?tudominio.com [NC]
    RewriteRule \.(jpg|jpeg|png|gif|webp)$ - [F,NC,L]
</IfModule>

# Página de error personalizada (opcional)
ErrorDocument 404 /404.html
ErrorDocument 403 /403.html
ErrorDocument 500 /500.html