* Añadido instalarLetsEncrypt()

install

@@ -141,6 +141,9 @@ comprobarError() {
 		305)
 			error="\n$type $codeNum:\tImposible configurar PHP-7.2.\n"
 			;;
+		401)
+			error="\n$type $codeNum:\tError al instalar 'certbot' (Let's Encrypt).\n"
+			;;
 		501)
 			error="\n$type $codeNum:\tImposible descargar MediaWiki-1.31.0.\n"
 			;;
@@ -633,7 +636,7 @@ mostrarSSL() {
 		case $i in
 			LetsEncrypt)
 				sslOn=true
-				letsEcnryptOn=true
+				letsEncryptOn=true
 				;;
 			Auto-Firmados)
 				sslOn=true
@@ -1206,37 +1209,24 @@ establecerMaxUpload() {
 	unset control maxUpload2
 }
 
-instalarPHPInfo() {
-# Instalar fichero info.php y su VirtualHost
-	if [ ! -f /etc/$webServerName/sites-enabled/phpinfo.conf ];then
-		infoFile="./var/www/info.php"
-		if [ ! -f $infoFile ];then
-			comprobarError 1 4 "$infoFile"
-		fi
-		mkdir /var/www/localhost 2>/dev/null
-		comprobarError $? 106
-		cp -f $infoFile /var/www/localhost/ 2>/dev/null
-		comprobarError $? 106
-		chown -R $webServerUser:$webServerGroup /var/www/localhost 2>/dev/null
-		comprobarError $? 106
-		unset infoFile
-		# Instalar VirtualHost
-		if [ $apacheOn = true ] && [ $sslOn = false ];then
-			virtualHost="./etc/apache2/sites-available/phpinfo.conf"
-		elif [ $nginxOn = true ] && [ $sslOn = false ];then
-			virtualHost="./etc/nginx/sites-available/phpinfo.conf"
-		elif [ $apacheOn = true ] && [ $sslOn = true ];then
-			virtualHost="./etc/apache2/sites-available/phpinfo-ssl.conf"
-		elif [ $nginxOn = true ] && [ $sslOn = true ];then
-			virtualHost="./etc/nginx/sites-available/phpinfo-ssl.conf"
-		else
-			comprobarError 1 106
-		fi
-		instalarVirtualHost "/var/www/localhost" $virtualHost "localhost"
-		unset virtualHost
-		return 0
-	else
-		return 1
+instalarLetsEncrypt() {
+# Instala certbot (para certificados Let's Encrypt)
+	# Comprobamos si cerbot está instalado
+	which certbot > /dev/null 2>&1
+	if [ $? -ne 0 ];then
+		# Descargar Let's Encrypt, hacer ejecutable e instalar
+		curl -o ./var/certbot https://dl.eff.org/certbot-auto 2>/dev/null
+		comprobarError $? 401
+		chmod 755 ./var/certbot 2>/dev/null
+		comprobarError $? 401
+		cp -f ./var/certbot /usr/bin/certbot 2>/dev/null
+		comprobarError $? 401
+		# Configurar /etc/cron.d/certbot para renovar automáticamente los certificados
+		echo -en "# certbot autorenew of the certificates twice a day\n" > /etc/cron.d/certbot
+		echo -en "SHELL=/bin/sh\n" >> /etc/cron.d/certbot
+		echo -en "PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin\n\n" >> /etc/cron.d/certbot
+		echo -en "# Job start twice per day (4am & 2pm) in a random minute" >> /etc/cron.d/certbot
+		echo -en "0 4,14 * * * python -c 'import random; import time; time.sleep(random.random() * 3600)' && certbot renew\n" >> /etc/cron.d/certbot
 	fi
 }
 
@@ -1579,6 +1569,40 @@ configurarSELinux() {
 	comprobarError $? 604
 }
 
+instalarPHPInfo() {
+# Instalar fichero info.php y su VirtualHost
+	if [ ! -f /etc/$webServerName/sites-enabled/phpinfo.conf ];then
+		infoFile="./var/www/info.php"
+		if [ ! -f $infoFile ];then
+			comprobarError 1 4 "$infoFile"
+		fi
+		mkdir /var/www/localhost 2>/dev/null
+		comprobarError $? 106
+		cp -f $infoFile /var/www/localhost/ 2>/dev/null
+		comprobarError $? 106
+		chown -R $webServerUser:$webServerGroup /var/www/localhost 2>/dev/null
+		comprobarError $? 106
+		unset infoFile
+		# Instalar VirtualHost
+		if [ $apacheOn = true ] && [ $sslOn = false ];then
+			virtualHost="./etc/apache2/sites-available/phpinfo.conf"
+		elif [ $nginxOn = true ] && [ $sslOn = false ];then
+			virtualHost="./etc/nginx/sites-available/phpinfo.conf"
+		elif [ $apacheOn = true ] && [ $sslOn = true ];then
+			virtualHost="./etc/apache2/sites-available/phpinfo-ssl.conf"
+		elif [ $nginxOn = true ] && [ $sslOn = true ];then
+			virtualHost="./etc/nginx/sites-available/phpinfo-ssl.conf"
+		else
+			comprobarError 1 106
+		fi
+		instalarVirtualHost "/var/www/localhost" $virtualHost "localhost"
+		unset virtualHost
+		return 0
+	else
+		return 1
+	fi
+}
+
 # Comprobación del sistema e inicialización
 inicializarVariables
 comprobarRoot
@@ -1616,10 +1640,10 @@ mostrarExpress
 		instalarPHP
 		echo -en " OK.\n" | tee -a $logFile
 	fi
-# Instalación SSL/TLS
-	if [ $sslOn = true ];then
-		echo -en "Instalando SSL/TLS..." | tee -a $logfile
-		sleep 2
+# Instalación Let's Encrypt
+	if [ $letsEncryptOn = true ];then
+		echo -en "Instalando Let's Encrypt..." | tee -a $logfile
+		instalarLetsEncrypt
 		echo -en " OK.\n" | tee -a $logFile
 	fi
 # Configuración Web Server