domain.azcli

###############################################
# Create new Domain from freenom.com,
# and wildcard cert from LetsEncrypt.
#
# Goal is to offer some infrastructure
# to test without domains/certs.
#
# Prereqs:
# - rapidapi key (stored in AKV): create in rapidapi.com
###############################################

#######################
# Work in progress!!! #
#######################

# Auxiliary functions
urlencode() {
    # urlencode <string>
    old_lc_collate=$LC_COLLATE
    LC_COLLATE=C
    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
        local c="${1:$i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf '%s' "$c" ;;
            *) printf '%%%02X' "'$c" ;;
        esac
    done
    LC_COLLATE=$old_lc_collate
}

urldecode() {
    # urldecode <string>
    local url_encoded="${1//+/ }"
    printf '%b' "${url_encoded//%/\\x}"
}

# Generate free domain
# domainr API doc: https://domainr.com/docs/api

# Get rapidapi key from AKV
rapidapi_akv_name=erjositoKeyVault
akv_rapidapi_key_secret_name=freenom-username
# Use this to store your rapidapi key in AKV for the first time
# az keyvault secret set -n $akv_rapidapi_key_secret_name --value 'your_rapid_api_key' --vault-name $freenom_akv_name
rapidapi_key=$(az keyvault secret show --vault-name $freenom_akv_name -n $akv_rapidapi_key_secret_name --query 'value' -o tsv)
if [[ -z "$rapidapi_key" ]]
then
    echo "ERROR: No RapidAPI key found in Key Vault $rapidapi_akv_name"
    # exit 1
else
    echo "INFO: RapidAPI key retrieved successfully from AKV $rapidapi_akv_name"
fi

# free domainr service
domainr_host="domainr.p.rapidapi.com"

# Check domain status
unique_string=$RANDOM
domain_suffix="gq"
domain="azlab-${unique_string}.${domain_suffix}"
domain_encoded=$(urlencode $domain)
domain_status=$(curl -s -X GET "https://${domainr_host}/v2/status?mashape-key=${rapidapi_key}&domain=${domain_encoded}")
echo $domain_status
request_status=$(echo $domain_status | jq -r '.status')
if [[ "$request_status" == "error" ]]
then
    echo "ERROR: $(echo $domain_status | jq -r '.error')"
else
    echo "INFO: blah blah"
fi