raspiblitz/home.admin/config.scripts/internet.selfsignedcert.sh
openoms 26d5e18e7d
add option to reset the self-signed tls certificate (#4412)
* add option to reset the self-signed tls certificate
2024-02-15 09:27:31 +01:00

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#!/bin/bash
# script to create a self-signed SSL certificate
# command info
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
echo "config script to create a self-signed SSL certificate"
echo "internet.selfsignedcert.sh [create|reset]"
exit 1
fi
CERT_DIR="/mnt/hdd/app-data/selfsignedcert"
CERT_FILE="${CERT_DIR}/selfsigned.cert"
create_self_signed_cert() {
sudo mkdir -p "${CERT_DIR}"
sudo chown -R bitcoin:bitcoin "${CERT_DIR}"
cd /mnt/hdd/app-data/selfsignedcert || exit 1
echo "# Create a self signed SSL certificate"
localip=$(hostname -I | awk '{print $1}')
sudo -u bitcoin openssl genrsa -out selfsigned.key 2048
#https://www.humankode.com/ssl/create-a-selfsigned-certificate-for-nginx-in-5-minutes
#https://stackoverflow.com/questions/8075274/is-it-possible-making-openssl-skipping-the-country-common-name-prompts
echo "
[req]
prompt = no
default_bits = 2048
default_keyfile = selfsigned.key
distinguished_name = req_distinguished_name
req_extensions = req_ext
x509_extensions = v3_ca
[req_distinguished_name]
C = US
ST = Texas
L = Lightning Network
O = RaspiBlitz
#OU = Org Unit Name
CN = RaspiBlitz
#emailAddress = info@example.com
[req_ext]
subjectAltName = @alt_names
[v3_ca]
subjectAltName = @alt_names
[alt_names]
DNS.1 = localhost
DNS.2 = 127.0.0.1
DNS.3 = $localip
" | sudo -u bitcoin tee localhost.conf
sudo -u bitcoin openssl req -new -x509 -sha256 -key selfsigned.key \
-out selfsigned.cert -days 3650 -config localhost.conf
}
check_certificate_validity() {
if openssl x509 -checkend 86400 -noout -in "${CERT_FILE}"; then
echo "# The certificate is valid for more than one day, keeping it."
return 0
else
echo "# The certificate is invalid, expired or will expire within a day. Regenerating."
return 1
fi
}
if [ "$1" = create ]; then
if [[ -f "${CERT_DIR}/selfsigned.cert" && -f "${CERT_DIR}/selfsigned.key" ]]; then
if ! check_certificate_validity; then
create_self_signed_cert
fi
else
# the certificate doesn't exist, so create it
create_self_signed_cert
fi
exit 0
fi
if [ "$1" = reset ]; then
echo "# Make sure the old certificate is not present"
sudo rm -f "${CERT_DIR}/selfsigned.cert"
sudo rm -f "${CERT_DIR}/selfsigned.key"
create_self_signed_cert
exit 0
fi
echo "# FAIL - Unknown Parameter $1"
exit 1