added mtls for device endpoints

docker-compose.yaml

@@ -36,20 +36,6 @@ services:
     networks: 
       - snoopBack
 
-  vault:
-    image: hashicorp/vault:1.16
-    environment:
-      VAULT_API_ADDR: http://0.0.0.0:8200
-      VAULT_TOKEN: root
-    ports: 
-      - 8200:8200
-    cap_add: 
-      - IPC_LOCK
-    volumes:
-      - vault-data:/vault/data
-    networks: 
-      - snoopBack
-
   snoop-api:
     restart: unless-stopped
     build:
@@ -93,8 +79,14 @@ services:
       - snoop-api
     ports:
       - "80:80"
+      - "443:443"
     volumes:
       - ./nginx/dev.conf:/etc/nginx/conf.d/default.conf:ro,Z
+      # - ./nginx/nginx_ssl/fullchain.pem:/etc/nginx/ssl/certs/fullchain.pem
+      # - ./nginx/nginx_ssl/privkey.pem:/etc/nginx/ssl/certs/privkey.pem
+      - ./nginx/nginx_ssl:/etc/nginx/ssl/certs/:ro,Z
+      - ./nginx/nginx_ssl/iot_int_cert.pem:/etc/nginx/ssl/iot_int_cert.pem:ro,Z
+      - ./nginx/nginx_ssl/iot.crl:/etc/nginx/ssl/iot.crl:ro,Z
     networks:
       - proxy
 
@@ -162,8 +154,9 @@ services:
 volumes:
   pgdata:
   miniodata:
-  vault-data:
   mediamtx-recordings:
+  emqx-data:
+  emqx-log:
 
 networks:
   proxy:

nginx/dev.conf

@@ -41,19 +41,6 @@ server {
     proxy_send_timeout 3600s;
   }
 
-  # --- LIVE ---
-  # HLS playlist/segments
-  location /hls/ {
-    proxy_pass  http://mediamtx:8888/;
-    proxy_http_version 1.1;
-  }  
-
-  # WebRTC WHIP/WHEP/test pages
-  location /webrtc/ {
-    proxy_pass  http://mediamtx:8889/;
-    proxy_http_version 1.1;
-  }
-  
   # --- MQTT over WebSocket (EMQX) ---
   # Clients connect to ws://<host>/mqtt/ws
   location /mqtt/ws {
@@ -64,4 +51,111 @@ server {
     proxy_read_timeout 3600s;
     proxy_send_timeout 3600s;
   }
+}
+
+# ==============================================
+# HTTPS :443 — mTLS enforced only on listed paths
+# ==============================================
+server {
+  listen 443 ssl http2;
+  server_name _;
+
+  ssl_certificate      /etc/nginx/ssl/certs/fullchain.pem;
+  ssl_certificate_key  /etc/nginx/ssl/certs/privkey.pem;
+  ssl_protocols        TLSv1.2 TLSv1.3;
+  ssl_prefer_server_ciphers on;
+
+  # mTLS trust chain (from Vault)
+  ssl_client_certificate /etc/nginx/ssl/iot_int_cert.pem;
+  ssl_verify_client      optional;  # locations below require SUCCESS
+  ssl_verify_depth       3;
+
+  # Client cert revocation (optional)
+  ssl_crl /etc/nginx/ssl/iot.crl;
+
+  # Forward client cert details upstream
+  proxy_set_header X-SSL-Client-Verify  $ssl_client_verify;
+  proxy_set_header X-SSL-Client-Serial  $ssl_client_serial;
+  proxy_set_header X-SSL-Client-Issuer  $ssl_client_i_dn;
+  proxy_set_header X-SSL-Client-DN      $ssl_client_s_dn;
+  proxy_set_header X-SSL-Client-Cert    $ssl_client_escaped_cert;
+
+  proxy_read_timeout  3600s;
+  proxy_send_timeout  3600s;
+
+  error_page 495 = @mtls_error;
+
+  # location @mtls_error { 
+  #   return 403 "ERR_SSL_VERSION_OR_CIPHER_MISMATCH \n"; 
+  # }
+
+  location @mtls_error { 
+    return 403 "mTLS required or client certificate invalid.\n"; 
+  }
+
+  location = /_mtls_check {
+    return 200 "$ssl_client_verify\n$ssl_client_s_dn\n$ssl_client_i_dn\n";
+  }
+
+  # ---- mTLS-protected paths ----
+  location ^~ /records {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://snoop-api:8080;
+  }
+
+  location ^~ /tasks {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://snoop-api:8080;
+  }
+
+  location ^~ /renew {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://snoop-api:8080;
+  }
+
+  # MediaMTX HLS
+  location ^~ /hls/ {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://mediamtx:8888/;
+  }
+
+  # MediaMTX WebRTC (WHIP/WHEP/test)
+  location ^~ /webrtc/ {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://mediamtx:8889/;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $connection_upgrade;
+  }
+
+  # MQTT WS entry points (guarded by mTLS)
+  location = /loc {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://emqx:8083/mqtt;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $connection_upgrade;
+  }
+
+  location = /gtasks {
+    if ($ssl_client_verify != SUCCESS) { 
+      return 495; 
+    }
+    proxy_pass http://emqx:8083/mqtt;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $connection_upgrade;
+  }
+
 }

readme.md

@@ -74,13 +74,16 @@ vault write pki_iot/config/urls \
 
 # Role that limits cert subjects to your device GUIDs
 vault write pki_iot/roles/device \
-  allow_any_name=false \
+  allow_any_name=true  \
   allowed_uri_sans="urn:device:*" \
   allowed_other_sans="" \
+  require_cn=false \
+  cn_validations= \
   allow_ip_sans=false \
   allowed_domains="" \
   enforce_hostnames=false \
-  key_type=ec key_bits=256 \
+  key_type=ec \
+  key_bits=256 \
   max_ttl=720h ttl=720h  # 30 days
 ```
 
@@ -107,3 +110,16 @@ curl -fsSL https://vault.example.local/v1/pki_iot/crl -o /etc/nginx/iot.crl
 nginx -s reload
 ```
   - Automate via systemd timer/cron (e.g., every 10–15 min).
+
+- Nginx fix for DER CRL format
+```bash
+# sed -i 's/\r$//' ./nginx/nginx_ssl/int_iot.crl
+curl http://vault.local:8200/v1/pki_iot/crl -o nginx/nginx_ssl/int_iot.crl
+openssl crl -in ./nginx/nginx_ssl/int_iot.crl -out ./nginx/nginx_ssl/int_iot.crl.clean -outform PEM
+mv ./nginx/nginx_ssl/int_iot.crl.clean ./nginx/nginx_ssl/int_iot.crl
+curl http://vault.local:8200/v1/pki_root/crl -o nginx/nginx_ssl/root_iot.crl
+openssl crl -in ./nginx/nginx_ssl/root_iot.crl -out ./nginx/nginx_ssl/root_iot.crl.clean -outform PEM
+mv ./nginx/nginx_ssl/root_iot.crl.clean ./nginx/nginx_ssl/root_iot.crl
+(sed 's/\r$//' ./nginx/nginx_ssl/int_iot.crl; echo; sed 's/\r$//' ./nginx/nginx_ssl/root_iot.crl; echo) \
+> ./nginx/nginx_ssl/iot.crl
+```