From 558fe0ad6419db584a45782b919f7b7de0690ebe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Sch=C3=B6n?= <sschoen@acecom.de>
Date: Sat, 23 Jul 2022 13:22:55 +0200
Subject: [PATCH] [docker] added SESSION_KEY environment variable for initial
 configuration

---
 docker/Dockerfile | 1 +
 docker/startup.sh | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 87e078ea..ecb9d0cc 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -64,6 +64,7 @@ ENV LOCALSESSIONRECORDING="false"
 ENV MINIFY="true"
 ENV WEBRTC="false"
 ENV IFRAME="false"
+ENV SESSION_KEY=""
 ENV REVERSE_PROXY="false"
 ENV REVERSE_PROXY_TLS_PORT=""
 
diff --git a/docker/startup.sh b/docker/startup.sh
index b34a5bdb..4333f45f 100644
--- a/docker/startup.sh
+++ b/docker/startup.sh
@@ -15,6 +15,10 @@ if [ -f "meshcentral-data/${CONFIG_FILE}" ]
         sed -i "s/\"minify\": true/\"minify\": $MINIFY/" meshcentral-data/${CONFIG_FILE}
         sed -i "s/\"WebRTC\": false/\"WebRTC\": $WEBRTC/" meshcentral-data/${CONFIG_FILE}
         sed -i "s/\"AllowFraming\": false/\"AllowFraming\": $IFRAME/" meshcentral-data/${CONFIG_FILE}
+        if [ -z "$SESSION_KEY" ]; then
+            SESSION_KEY="$(cat /dev/urandom | tr -dc 'A-Za-z0-9!#$%&()*+,-./:;<=>?@[\]^_`{|}~' | fold -w 32 | head -n 1)";
+        fi
+        sed -i "s/\"_sessionKey\": \"MyReallySecretPassword1\"/\"sessionKey\": \"$SESSION_KEY\"/" meshcentral-data/${CONFIG_FILE}
         if [ "$REVERSE_PROXY" != "false" ]; then
             sed -i "s/\"_certUrl\": \"my\.reverse\.proxy\"/\"certUrl\": \"https:\/\/$REVERSE_PROXY:$REVERSE_PROXY_TLS_PORT\"/" meshcentral-data/${CONFIG_FILE}
             node meshcentral/meshcentral --configfile ${CONFIG_FILE}