pick_certificate.sh

#!/bin/bash

# This script selects the appropriate certificate and key files to use.

USER_CERT_DIR="/certificate"
SELF_SIGNED_CERT_DIR="/build-assets/self_signed_certificates/"

# Get the filenames of the user-provided .crt and .key files
USER_CRT_FILE=$(find $USER_CERT_DIR -name "*.crt" -type f)
USER_KEY_FILE=$(find $USER_CERT_DIR -name "*.key" -type f)

# Get the filenames of the self-signed .crt and .key files
SELF_SIGNED_CRT_FILE=$(find $SELF_SIGNED_CERT_DIR -name "*.crt" -type f)
SELF_SIGNED_KEY_FILE=$(find $SELF_SIGNED_CERT_DIR -name "*.key" -type f)

# Check if user-provided files were found
if [ -n "$USER_CRT_FILE" ] && [ -n "$USER_KEY_FILE" ]; then
    CRT_FILE=$USER_CRT_FILE
    KEY_FILE=$USER_KEY_FILE
    echo "Using user-provided certificate and key files."
else
    CRT_FILE=$SELF_SIGNED_CRT_FILE
    KEY_FILE=$SELF_SIGNED_KEY_FILE
    echo "User-provided certificate or key file not found. Using self-signed certificates."
fi

# Check if the final certificate and key files were found
if [ -z "$CRT_FILE" ]; then
    echo "No certificate file found"
    exit 1
fi

if [ -z "$KEY_FILE" ]; then
    echo "No private key file found"
    exit 1
fi

# Export the selected certificate and key file paths
export CRT_FILE
export KEY_FILE