A lot of improvments: add comments, add tests/tests/tests, add --cron option, drop HAProxy support, modify Apache/Nginx conf only first time
This commit is contained in:
Gregory Colpart
parent
7ea5982611
commit
30c47fcd50
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@ -7,8 +7,10 @@
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# Licence: AGPLv3
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#
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set -e
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usage() {
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echo "Usage: $0 NAME"
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echo "Usage: $0 [ --cron ] NAME"
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echo ""
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echo "NAME must be correspond to :"
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echo "- a CSR in ${CSR_DIR}/NAME.csr"
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@ -17,68 +19,97 @@ usage() {
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}
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mkconf_apache() {
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[ -f "/etc/apache2/ssl/${vhost}.conf" ] && sed -i "s~^SSLCertificateFile.*$~SSLCertificateFile $CRT_DIR/${vhost}/live/fullchain.pem~" "/etc/apache2/ssl/${vhost}.conf"
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apache2ctl -t 2>/dev/null && service apache2 reload
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echo "Apache detected... first configuration"
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[ -f "/etc/apache2/ssl/${vhost}.conf" ] && sed -i "s~^SSLCertificateFile.*$~SSLCertificateFile $CRT_DIR/${vhost}/live/fullchain.pem~" "/etc/apache2/ssl/${vhost}.conf"
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apache2ctl -t
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}
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mkconf_nginx() {
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[ -f "/etc/nginx/ssl/${vhost}.conf" ] && sed -i "s~^ssl_certificate[^_].*$~ssl_certificate $CRT_DIR/${vhost}/live/fullchain.pem;~" "/etc/nginx/ssl/${vhost}.conf"
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nginx -t 2>/dev/null && service nginx reload
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}
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mkconf_haproxy() {
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mkdir -p /etc/ssl/haproxy -m 700
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cat "$CRT_DIR/${vhost}/live/fullchain.pem" "$SSL_KEY_DIR/${vhost}.key" > "/etc/ssl/haproxy/${vhost}.pem"
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[ -f "$DH_DIR/${vhost}.pem" ] && cat "$DH_DIR/${vhost}.pem" >> "/etc/ssl/haproxy/${vhost}.pem"
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haproxy -c -f /etc/haproxy/haproxy.cfg >/dev/null && service haproxy reload
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echo "Nginx detected... first configuration"
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[ -f "/etc/nginx/ssl/${vhost}.conf" ] && sed -i "s~^ssl_certificate[^_].*$~ssl_certificate $CRT_DIR/${vhost}/live/fullchain.pem;~" "/etc/nginx/ssl/${vhost}.conf"
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nginx -t
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}
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main() {
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[ -f /etc/default/evoacme ] && . /etc/default/evoacme
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[ -z "${SSL_KEY_DIR}" ] && SSL_KEY_DIR='/etc/ssl/private'
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[ -z "${CRT_DIR}" ] && CRT_DIR='/etc/letsencrypt'
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[ -z "${CSR_DIR}" ] && CSR_DIR='/etc/ssl/requests'
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[ -z "${SELF_SIGNED_DIR}" ] && SELF_SIGNED_DIR='/etc/ssl/self-signed'
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[ -z "${DH_DIR}" ] && DH_DIR='/etc/ssl/dhparam'
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[ -z "${LOG_DIR}" ] && LOG_DIR='/var/log/evoacme'
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[ "$#" -ne 1 ] && usage && exit 1
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[ -z "${SSL_KEY_DIR}" ] && SSL_KEY_DIR=/etc/ssl/private
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[ -z "${ACME_DIR}" ] && ACME_DIR=/var/lib/letsencrypt
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[ -z "${CSR_DIR}" ] && CSR_DIR=/etc/ssl/requests
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[ -z "${CRT_DIR}" ] && CRT_DIR=/etc/letsencrypt
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[ -z "${LOG_DIR}" ] && LOG_DIR=/var/log/evoacme
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[ -z "${SSL_MINDAY}" ] && SSL_MINDAY=30
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[ -z "${SELF_SIGNED_DIR}" ] && SELF_SIGNED_DIR=/etc/ssl/self-signed
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[ -z "${DH_DIR}" ] && DH_DIR=etc/ssl/dhparam
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vhost=$(basename "$1" .conf)
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# misc verifications
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[ "$1" = "-h" ] || [ "$1" = "--help" ] && usage && exit 0
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which openssl >/dev/null || ( echo "error: openssl command not installed" && exit 1 )
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which certbot >/dev/null || ( echo "error: certbot command not installed" && exit 1 )
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[ ! -d $ACME_DIR ] && echo "error: $ACME_DIR is not a directory" && exit 1
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[ ! -d $CSR_DIR ] && echo "error: $CSR_DIR is not a directory" && exit 1
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[ ! -d $LOG_DIR ] && echo "error: $LOG_DIR is not a directory" && exit 1
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[ "$#" -ge 3 ] || [ "$#" -le 0 ] && echo "error: invalid argument(s)" && usage && exit 1
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[ "$#" -eq 2 ] && [ "$1" != "--cron" ] && echo "error: invalid argument(s)" && usage && exit 1
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# Check master status for evoadmin-cluster
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[ "$#" -eq 1 ] && vhost=$(basename "$1" .conf) && CRON=NO
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[ "$#" -eq 2 ] && vhost=$(basename "$2" .conf) && CRON=YES
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# verify .csr file
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test ! -f "$CSR_DIR/${vhost}.csr" && echo "error: $CSR_DIR/${vhost}.csr absent" && exit 1
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test ! -r "$CSR_DIR/${vhost}.csr" && echo "error: $CSR_DIR/${vhost}.csr is not readable" && exit 1
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openssl req -noout -modulus -in "$CSR_DIR/${vhost}.csr" >/dev/null || ( echo "error: $CSR_DIR/${vhost}.csr is invalid" && exit 1 )
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[ "$CRON" = "NO" ] && echo "Using CSR file: $CSR_DIR/${vhost}.csr"
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# Hook for evoadmin-web in cluster mode : check master status
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if [ -f "/home/${vhost}/state" ]; then
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grep -q "STATE=master" "/home/${vhost}/state" || exit 0
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fi
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SSL_EMAIL=$(grep emailAddress "${CRT_DIR}/openssl.cnf"|cut -d'=' -f2|xargs)
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if [ -n "$SSL_EMAIL" ]; then
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emailopt="-m $SSL_EMAIL"
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else
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emailopt="--register-unsafely-without-email"
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fi
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DATE=$(date "+%Y%m%d")
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[ ! -n "$DATE" ] && echo "error: invalid date" && exit 1
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# If live link already exists, it's not our first time...
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if [ -h "$CRT_DIR/${vhost}/live" ]; then
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crt_end_date=$(openssl x509 -noout -enddate -in "$CRT_DIR/${vhost}/live/cert.crt"|sed -e "s/.*=//")
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date_crt=$(date -ud "$crt_end_date" +"%s")
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openssl x509 -noout -modulus -in "$CRT_DIR/${vhost}/live/cert.crt" >/dev/null || ( echo "error: $CRT_DIR/${vhost}/live/cert.crt is invalid" && exit 1 )
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# Verify if our certificate will expire
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crt_end_date=$(openssl x509 -noout -enddate -in "$CRT_DIR/${vhost}/live/cert.crt" | cut -d= -f2)
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date_renew=$(date -ud "$crt_end_date - $SSL_MINDAY days" +"%s")
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date_today=$(date +'%s')
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date_diff=$(((date_crt - date_today) / (60*60*24)))
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[ "$date_diff" -ge "$SSL_MINDAY" ] && exit 0
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fi
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rm -rf "$CRT_DIR/${vhost}/${DATE}"
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mkdir -pm 755 "$CRT_DIR/${vhost}/${DATE}"
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chown -R acme: "$CRT_DIR/${vhost}"
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sudo -u acme certbot certonly --quiet --webroot --csr "$CSR_DIR/${vhost}.csr" --webroot-path "$ACME_DIR" -n --agree-tos --cert-path="$CRT_DIR/${vhost}/${DATE}/cert.crt" --fullchain-path="$CRT_DIR/${vhost}/${DATE}/fullchain.pem" --chain-path="$CRT_DIR/${vhost}/${DATE}/chain.pem" "$emailopt" --logs-dir "$LOG_DIR" 2>&1 | grep -v "certbot.crypto_util"
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if [ -f "$CRT_DIR/${vhost}/${DATE}/fullchain.pem" ]; then
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rm -f "$CRT_DIR/${vhost}/live"
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ln -s "$CRT_DIR/${vhost}/${DATE}" "$CRT_DIR/${vhost}/live"
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[ "$date_today" -lt "$date_renew" ] && ( [ "$CRON" = "NO" ] && echo "Cert $CRT_DIR/${vhost}/live/cert.crt expires at $crt_end_date => more than $SSL_MINDAY days: thxbye." || true ) && exit 0
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else
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which apache2ctl >/dev/null && mkconf_apache
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which nginx >/dev/null && mkconf_nginx
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which haproxy >/dev/null && mkconf_haproxy
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else
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rmdir "$CRT_DIR/${vhost}/${DATE}"
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fi
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# renew certificate with certbot
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[ -d "$CRT_DIR/${vhost}/${DATE}" ] && echo "error: $CRT_DIR/${vhost}/${DATE} directory already exists, remove it manually." && exit 1
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mkdir -pm 755 "$CRT_DIR/${vhost}/${DATE}"
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chown -R acme: "$CRT_DIR/${vhost}/${DATE}"
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[ "$CRON" = "YES" ] && CERTBOT_OPTS="--quiet"
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sudo -u acme certbot certonly $CERTBOT_OPTS --webroot --csr "$CSR_DIR/${vhost}.csr" --webroot-path "$ACME_DIR" -n --agree-tos --cert-path="$CRT_DIR/${vhost}/${DATE}/cert.crt" --fullchain-path="$CRT_DIR/${vhost}/${DATE}/fullchain.pem" --chain-path="$CRT_DIR/${vhost}/${DATE}/chain.pem" "$emailopt" --logs-dir "$LOG_DIR" 2>&1 | grep -v "certbot.crypto_util"
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# verify if all is right
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openssl x509 -noout -modulus -in "$CRT_DIR/${vhost}/${DATE}/cert.crt" >/dev/null || ( echo "error: new $CRT_DIR/${vhost}/${DATE}/cert.crt is invalid" && exit 1 )
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openssl x509 -noout -modulus -in "$CRT_DIR/${vhost}/${DATE}/fullchain.pem" >/dev/null || ( echo "error: new $CRT_DIR/${vhost}/${DATE}/fullchain.pem is invalid" && exit 1 )
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openssl x509 -noout -modulus -in "$CRT_DIR/${vhost}/${DATE}/chain.pem" >/dev/null || ( echo "error: new $CRT_DIR/${vhost}/${DATE}/chain.pem is invalid" && exit 1 )
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# link dance
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[ -h "$CRT_DIR/${vhost}/live" ] && rm "$CRT_DIR/${vhost}/live"
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ln -s "$CRT_DIR/${vhost}/${DATE}" "$CRT_DIR/${vhost}/live"
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openssl x509 -noout -modulus -in "$CRT_DIR/${vhost}/live/cert.crt" >/dev/null || ( echo "error: new $CRT_DIR/{vhost}/live/cert.crt is invalid" && exit 1 )
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# reload apache or nginx (TODO: need improvments)
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pidof apache2 >/dev/null && apache2ctl -t 2>/dev/null && ( [ "$CRON" = "NO" ] && echo "Apache detected... reloading" || true ) && systemctl reload apache2
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pidof nginx >/dev/null && nginx -t 2>/dev/null && ( [ "$CRON" = "NO" ] && echo "Nginx detected... reloading" || true ) && systemctl reload apache2
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}
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main "$@"
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