From b58248098efe759ea4b1fb9c6a7eb7698556d5d5 Mon Sep 17 00:00:00 2001
From: KeisukeYamashita <19yamashita15@gmail.com>
Date: Thu, 30 Jan 2025 17:49:03 +0100
Subject: [PATCH] feat(web): validate reearth_config.json on startup

Signed-off-by: KeisukeYamashita <19yamashita15@gmail.com>
---
 web/Dockerfile                              | 3 +++
 web/docker/40-envsubst-on-reearth-config.sh | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/web/Dockerfile b/web/Dockerfile
index ca13656c5d..a7b0b0f40e 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -68,6 +68,9 @@ ENV REEARTH_PUBLISHED=null
 ENV REEARTH_TITLE=
 ENV REEARTH_UNSAFE_PLUGIN_URLS=[]
 
+RUN --mount=type=cache,target=/var/cache/apk \
+    apk add --no-cache jq
+
 COPY --from=builder --chown=nginx:nginx /app/dist /usr/share/nginx/html
 COPY --chown=nginx:nginx docker/nginx.conf.template /etc/nginx/templates/nginx.conf.template
 COPY --chown=nginx:nginx docker/40-envsubst-on-reearth-config.sh /docker-entrypoint.d
diff --git a/web/docker/40-envsubst-on-reearth-config.sh b/web/docker/40-envsubst-on-reearth-config.sh
index 73ca539de1..41cb51516b 100755
--- a/web/docker/40-envsubst-on-reearth-config.sh
+++ b/web/docker/40-envsubst-on-reearth-config.sh
@@ -36,3 +36,7 @@ wrap_reearth_variables() {
 
 wrap_reearth_variables "$@"
 envsubst < "$_REEARTH_CONFIG_TEMPLATE_FILE" > "$_REEARTH_CONFIG_OUTPUT_FILE"
+if ! jq empty "$_REEARTH_CONFIG_OUTPUT_FILE" > /dev/null 2>&1; then
+  echo "Invalid JSON configuration file $_REEARTH_CONFIG_OUTPUT_FILE" >&2
+  exit 1
+fi