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#!/bin/bash
# Module: smtp_send
# Description: Envía un correo de prueba usando SMTP con netcat o openssl s_client
# License: GPLv3
# Author: Luis GuLo
# Version: 0.2.0
# Dependencies: nc o openssl, base64
smtp_send_task() {
declare -A args
for arg in "$@"; do key="${arg%%=*}"; value="${arg#*=}"; args["$key"]="$value"; done
local smtp_server="${args[smtp_server]}"
local smtp_port="${args[smtp_port]:-587}"
local smtp_user="${args[smtp_user]}"
local smtp_pass="${args[smtp_pass]}"
local from="${args[from]}"
local to="${args[to]}"
local subject="${args[subject]:-Prueba desde ShFlow}"
local body="${args[body]:-Este es un correo de prueba enviado desde el módulo smtp_send.}"
# 🌐 Cargar traducciones
local lang="${shflow_vars[language]:-es}"
local trfile="$(dirname "${BASH_SOURCE[0]}")/smtp_send.tr.${lang}"
declare -A tr
if [[ -f "$trfile" ]]; then
while IFS='=' read -r k v; do tr["$k"]="$v"; done < "$trfile"
fi
if [[ -z "$smtp_server" || -z "$smtp_user" || -z "$smtp_pass" || -z "$from" || -z "$to" ]]; then
echo "${tr[missing_args]:-❌ [smtp_send] Faltan argumentos obligatorios: smtp_server, smtp_user, smtp_pass, from, to}"
return 1
fi
echo "$(render_msg "${tr[start]}" "to=$to" "server=$smtp_server" "port=$smtp_port")"
local auth_user auth_pass
auth_user=$(echo -n "$smtp_user" | base64)
auth_pass=$(echo -n "$smtp_pass" | base64)
local smtp_script
smtp_script=$(cat <<EOF
EHLO localhost
AUTH LOGIN
$auth_user
$auth_pass
MAIL FROM:<$from>
RCPT TO:<$to>
DATA
Subject: $subject
From: $from
To: $to
$body
.
QUIT
EOF
)
if command -v nc &>/dev/null; then
echo "${tr[using_nc]:-🔧 Usando netcat para conexión SMTP...}"
echo "$smtp_script" | nc "$smtp_server" "$smtp_port"
elif command -v openssl &>/dev/null; then
echo "${tr[using_openssl]:-🔧 Usando openssl para conexión STARTTLS...}"
echo "$smtp_script" | openssl s_client -starttls smtp -crlf -connect "$smtp_server:$smtp_port" 2>/dev/null
else
echo "${tr[missing_tools]:-❌ [smtp_send] No se encontró ni netcat (nc) ni openssl en el sistema.}"
return 1
fi
echo "${tr[done]:-✅ [smtp_send] Comando ejecutado. Verifica si el correo fue recibido.}"
}
check_dependencies_smtp_send() {
local lang="${shflow_vars[language]:-es}"
local trfile="$(dirname "${BASH_SOURCE[0]}")/smtp_send.tr.${lang}"
declare -A tr
if [[ -f "$trfile" ]]; then
while IFS='=' read -r k v; do tr["$k"]="$v"; done < "$trfile"
fi
if command -v nc &>/dev/null || command -v openssl &>/dev/null; then
if ! command -v base64 &>/dev/null; then
echo "${tr[missing_base64]:-❌ [smtp_send] Falta base64 en el sistema.}"
return 1
fi
local tool=$(command -v nc &>/dev/null && echo "nc" || echo "openssl")
echo "$(render_msg "${tr[deps_ok]}" "tool=$tool")"
return 0
else
echo "${tr[missing_tools]:-❌ [smtp_send] No se encontró ni nc ni openssl.}"
return 1
fi
}
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