From eb4c4159ff4f6a6ae704c1d34a2cd03004bf9542 Mon Sep 17 00:00:00 2001
From: Phil <phil@nncltech.org>
Date: Mon, 6 May 2024 15:28:46 +0100
Subject: [PATCH] Added Script

---
 run_check.sh | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 run_check.sh

diff --git a/run_check.sh b/run_check.sh
new file mode 100755
index 0000000..fc080a9
--- /dev/null
+++ b/run_check.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Mullvad_VPN_Check
+# A script that checks for a Mullvad VPN connection and if there isn't one, will send and alert
+
+
+# Set Discord webhook
+WEBHOOK_URL="DISCORD_WEBHOOK_URL"
+
+# Function to run alert
+run_alert() {
+curl -H "Content-Type: application/json" -X POST --data @- "$WEBHOOK_URL" <<EOF
+{
+  "content": null,
+  "embeds": [
+    {
+      "title": "VPN Connectivity - WARNING",
+      "description": "\"$(hostname)\" is not going through a Mullvad VPN connection",
+      "color": 5814783,
+      "fields": [
+        {
+          "name": "Date and Time of Test:",
+          "value": "$(date +'%Y-%m-%d %H:%M:%S')"
+        },
+        {
+          "name": "Current ISP",
+          "value": "$ORG"
+        },
+        {
+          "name": "Current IP",
+          "value": "$IP"
+        }
+      ]
+    }
+  ],
+  "attachments": []
+}
+EOF
+}
+
+# Function to check if "mullvad_exit_ip" is false
+check_mullvad_exit_ip() {
+    mullvad_exit_ip="$1"
+    if [ "$mullvad_exit_ip" = "false" ]; then
+        run_alert
+        echo "Alert sent!"
+    else
+        echo "VPN connection through Mullvad detected."
+        exit 1 # Exit with error code to indicate condition not met
+    fi
+}
+
+# Fetch JSON data
+json=$(curl -s https://ipv4.am.i.mullvad.net/json)
+
+# Get Reported IP
+IP=$(echo "$json" | grep -oE '"ip":\s*"[^"]+"' | grep -oE '[0-9.]+')
+# Get Reported ISP
+ORG=$(echo "$json" | grep -oP '(?<="organization":")[^"]+')
+
+# Parse JSON and extract "mullvad_exit_ip"
+mullvad_exit_ip=$(jq -r '.mullvad_exit_ip' <<< "$json")
+
+# Check if "mullvad_exit_ip" is false
+check_mullvad_exit_ip "$mullvad_exit_ip"
+