94 lines
2.8 KiB
Bash
94 lines
2.8 KiB
Bash
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#!/bin/bash
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# Let's Encrypt SSL Certificate Installation Script for xmpp.guschin.info
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# This script installs SSL certificates via Let's Encrypt (certbot)
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set -e
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DOMAIN="xmpp.guschin.info"
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CERT_PATH="/etc/letsencrypt/live/${DOMAIN}"
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EMAIL="${EMAIL:-admin@mguschin.info}" # Default email or use EMAIL env var
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WEBROOT="/var/www/letsencrypt"
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echo "========================================"
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echo "Let's Encrypt Certificate Installation"
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echo "========================================"
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echo "Domain: $DOMAIN"
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echo "Email: $EMAIL"
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echo "Certificate Path: $CERT_PATH"
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echo ""
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# Check if certbot is installed
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if ! command -v certbot &> /dev/null; then
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echo "Installing certbot..."
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apt-get update
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apt-get install -y certbot
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fi
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# Create webroot directory for ACME challenges
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if [ ! -d "$WEBROOT" ]; then
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echo "Creating webroot directory: $WEBROOT"
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mkdir -p "$WEBROOT"
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chmod 755 "$WEBROOT"
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fi
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# Check if certificate already exists
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if [ -d "$CERT_PATH" ]; then
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echo "Certificate already exists at $CERT_PATH"
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read -p "Do you want to renew it? (y/n) " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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echo "Renewing certificate..."
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certbot renew --force-renewal --non-interactive
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else
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echo "Skipping certificate installation."
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exit 0
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fi
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else
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echo "Generating new certificate for $DOMAIN..."
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# Install certificate using webroot authenticator
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# Nginx must be configured to serve $WEBROOT/.well-known/acme-challenge/
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certbot certonly \
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--webroot \
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--webroot-path "$WEBROOT" \
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--non-interactive \
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--agree-tos \
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--email "$EMAIL" \
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-d "$DOMAIN"
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echo ""
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echo "✓ Certificate installed successfully!"
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echo " Fullchain: $CERT_PATH/fullchain.pem"
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echo " Private Key: $CERT_PATH/privkey.pem"
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fi
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# Set proper permissions for nginx
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if id "www-data" &>/dev/null; then
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chmod 755 $CERT_PATH
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chmod 755 $CERT_PATH/..
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fi
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# Optional: Set up automatic renewal via cron
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echo ""
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echo "Setting up automatic renewal (optional)..."
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if ! grep -q "certbot renew" /etc/cron.d/certbot 2>/dev/null; then
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echo "Configuring automatic certificate renewal..."
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# Certbot automatically installs cron job on most systems
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# But you can manually add it:
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# (crontab -l 2>/dev/null; echo "0 3 * * * certbot renew --quiet") | crontab -
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fi
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echo ""
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echo "========================================"
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echo "Certificate installation complete!"
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echo "========================================"
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echo ""
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echo "Next steps:"
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echo "1. Ensure your nginx config points to:"
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echo " - ssl_certificate: $CERT_PATH/fullchain.pem"
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echo " - ssl_certificate_key: $CERT_PATH/privkey.pem"
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echo "2. Reload nginx: nginx -s reload"
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echo "3. Test your SSL setup: https://www.ssllabs.com/ssltest/"
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echo ""
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