copy_firebase_auth.sh

#!/bin/bash

set -e

# PROJECT_FROM="firebase-project-from"
# PROJECT_TO="firebase-project-to"

function getParam() {
    echo $(cat .hashParameter | grep ${1}: | sed 's/.*: \(.*\),/\1/')
}

cd $(dirname "$0")

if [ ! -f .hashParameter ]; then
    echo 'Place .hashParameter in same directory as this script. Exiting.'
    exit 1
fi

algorithm=$(getParam algorithm)
base64_signer_key=$(getParam base64_signer_key)
base64_salt_separator=$(getParam base64_salt_separator)
rounds=$(getParam rounds)
mem_cost=$(getParam mem_cost)

echo "algorithm: ${algorithm}"
echo "base64_signer_key: ${base64_signer_key}"
echo "base64_salt_separator: ${base64_salt_separator}"
echo "rounds: ${rounds}"
echo "mem_cost: ${mem_cost}"

tmpfile="$(mktemp -u).json"

echo "tmpfile: ${tmpfile}"

firebase auth:export --project=${PROJECT_FROM} "${tmpfile}"
firebase auth:import \
    --project="${PROJECT_TO}" \
    --hash-algo="${algorithm}" \
    --salt-separator="${base64_salt_separator}" \
    --hash-key="${base64_salt_separator}" \
    --rounds="${rounds}" \
    --mem-cost="${mem_cost}" \
    "${tmpfile}"

rm -f "${tmpfile}"