feat: generate challenges for ctfd

.gitignore

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+*.zip

generate-challenges.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_NAME=$(basename "$0")
+
+# JuiceShop CLI command
+_JUICESHOP_CLI_BINARY="juice-shop-ctf"
+_JUICESHOP_CLI_PACKAGE="$_JUICESHOP_CLI_BINARY-cli"
+
+# Check if juice-shop-ctf-cli is installed
+if ! command -v "$_JUICESHOP_CLI_BINARY" &> /dev/null; then
+    echo "Missing required dependency '$_JUICESHOP_CLI_BINARY'. Install it by running:"
+    echo "npm install -g $_JUICESHOP_CLI_PACKAGE"
+    exit 1
+fi
+# Check if kubectl is installed
+if ! command -v kubectl &> /dev/null; then
+    echo "Missing required package kubectl."
+    exit 1
+fi
+
+# Variables
+_CTF_CFG_PATH="/tmp/juice-shop-cli-config.yaml"
+_PORT_LOCAL="8808"
+_PIDFILE_PATH="/tmp/.juice-shop-portforward.pid"
+CTF_URL="http://localhost:$_PORT_LOCAL"
+
+function usage() {
+    echo -e "Usage: ./$SCRIPT_NAME [JUICE-SHOP URL]
+    "
+    exit 0
+}
+
+function create_tunnel_to_pod() {
+    # Forward traffic from this device to the juice-shop pod
+    echo "Opening temporary tunnel to a juice-shop pod"
+    # Get the name of a pod running an instance of juice-shop
+    POD_NAME=$(kubectl get pods -l "app.kubernetes.io/name=juice-shop" -o name | head -1)
+    if [ -z "$POD_NAME" ]; then
+        echo "ERROR: In order to import the challenges from juice-shop, an instance of juice-shop must be running."
+        echo "Please navigate to the multi-juicer instance and create a new team to deploy a new instance, then re-run this script once the instance is ready."
+        exit 1
+    fi
+    (kubectl port-forward "$POD_NAME" "$_PORT_LOCAL:3000" &> /dev/null)&
+    echo $! > "$_PIDFILE_PATH"
+}
+
+function write_config_to_file() {
+    # Write temp. config to file, used by the juice-shop-ctf-cli
+    echo "Writing juice-shop-ctf config to file"
+    # Ref. https://github.com/juice-shop/juice-shop-ctf#configuration-file
+    cat <<EOF > $_CTF_CFG_PATH
+ctfFramework: CTFd
+juiceShopUrl: $CTF_URL
+ctfKey: $CTF_KEY
+countryMapping: https://raw.githubusercontent.com/bkimminich/juice-shop/master/config/fbctf.yml
+insertHints: free
+insertHintUrls: free
+insertHintSnippets: free
+EOF
+}
+
+function run_cli() {
+    echo "Importing challenges from JuiceShop"
+    _CTF_CHALLENGES_OUT_PATH="ctfd-challenges-$(date +%FT%H%M%S).zip"
+    juice-shop-ctf --config "$_CTF_CFG_PATH" --output "$_CTF_CHALLENGES_OUT_PATH" && echo "Wrote CTFd challenges to '$_CTF_CHALLENGES_OUT_PATH'"
+}
+
+function cleanup() {
+    echo "Cleaning up"
+    # Delete temp config file
+    rm "$_CTF_CFG_PATH"
+    # Stop port forwarding
+    kill -9 "$(cat $_PIDFILE_PATH)"
+    # Delete pidfile
+    rm "$_PIDFILE_PATH"
+}
+
+function main() {
+    create_tunnel_to_pod
+    write_config_to_file
+    run_cli
+    cleanup
+    echo "DONE"
+}
+
+main