Support for Secure Headers and Github Actions (#72)

* Support for Secure Headers and Github Actions

* Reformat main.py

* Add working dir to python checks

* Add line length to black

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "pip"
+    directory: "/api"
+    schedule:
+      interval: "daily"

.github/workflows/python-lint.yml

@@ -0,0 +1,30 @@
+name: Python Lint
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - 'docs/**'
+      - 'extras/**'
+      - '**.md'
+      - '**.adoc'
+
+jobs:
+  lint-python-code:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+      - name: Run ruff check
+        uses: chartboost/ruff-action@v1
+        with:
+          src: "./gdash"
+          args: "--verbose"
+      - name: Run black check
+        uses: psf/black@stable
+        with:
+          options: "--check --diff --verbose -l 120"
+          src: "./gdash"

.gitignore

@@ -8,3 +8,4 @@ __pycache__
 node_modules
 .DS_Store
 gdash/ui
+**/.ruff_cache

README.md

@@ -47,7 +47,7 @@ Other available options are
 ```
 $ gdash --help
 usage: gdash [-h] [--version] [--port PORT] [--gluster-binary GLUSTER_BINARY]
-             [--auth-file AUTH_FILE] [--ssl-cert CERT_FILE] [--ssl-key KEY_FILE] [--ssl-ca CA_CERT_FILE]
+             [--auth-file AUTH_FILE] [--ssl-cert CERT_FILE] [--ssl-key KEY_FILE] [--ssl-ca CA_CERT_FILE] [--ssl-ciphers LIST_OF_CIPHERS]
              host
 
 gdash - GlusterFS Dashboard
@@ -68,6 +68,7 @@ optional arguments:
   --ssl-cert CERT_FILE             Path to SSL Certificate file
   --ssl-key KEY_FILE               Path to SSL Key file
   --ssl-ca CA_FILE                 Path to SSL CA Certificate file
+  --ssl-ciphers                    List of SSL Ciphers to allow
 ```
 
 ## Blog

gdash/__main__.py

@@ -23,16 +23,21 @@
     "/": {
         "tools.staticdir.on": True,
         "tools.sessions.on": True,
-        "tools.sessions.secure" = True,
-        "tools.sessions.httponly" = True,
-        "tools.secureheaders.on" = True,
-        "tools.staticdir.dir": os.path.join(
-            os.path.dirname(os.path.abspath(__file__)), "ui"
-        ),
+        "tools.sessions.secure": True,
+        "tools.sessions.httponly": True,
+        "tools.secureheaders.on": True,
+        "tools.staticdir.dir": os.path.join(os.path.dirname(os.path.abspath(__file__)), "ui"),
     },
 }
 
 
+def secureheaders():
+    headers = cherrypy.response.headers
+    headers["X-Frame-Options"] = "DENY"
+    headers["X-XSS-Protection"] = "1; mode=block"
+    headers["Content-Security-Policy"] = "default-src='self'"
+
+
 def is_valid_admin_login(username, password):
     if USERS is None:
         return True
@@ -162,24 +167,12 @@ def get_args():
     parser.add_argument("--gluster-binary", default="gluster")
     parser.add_argument(
         "--auth-file",
-        help=(
-            "Users Credentials file. One user entry per row "
-            "in the format <username>=<password_hash>"
-        ),
-    )
-    parser.add_argument(
-        "--ssl-cert", default=None, help=("Path to SSL Certificate used by Gdash")
+        help=("Users Credentials file. One user entry per row " "in the format <username>=<password_hash>"),
     )
-    parser.add_argument(
-        "--ssl-key", default=None, help=("Path to SSL Key used by Gdash")
-    )
-    parser.add_argument(
-        "--ssl-ca", default=None, help=("Path to SSL CA Certificate used by Gdash")
-    )
-    parser.add_argument(
-        "--ssl-ciphers", default=None, help=("List of SSL Ciphers to allow")
-    )
-
+    parser.add_argument("--ssl-cert", default=None, help=("Path to SSL Certificate used by Gdash"))
+    parser.add_argument("--ssl-key", default=None, help=("Path to SSL Key used by Gdash"))
+    parser.add_argument("--ssl-ca", default=None, help=("Path to SSL CA Certificate used by Gdash"))
+    parser.add_argument("--ssl-ciphers", default=None, help=("List of SSL Ciphers to allow"))
     return parser.parse_args()
 
 
@@ -217,6 +210,7 @@ def main():
         cherrypy_cfg["server.ssl_module"] = "builtin"
 
     cherrypy.config.update(cherrypy_cfg)
+    cherrypy.tools.secureheaders = cherrypy.Tool("before_finalize", secureheaders, priority=60)
     webapp = GdashWeb()
     webapp.api = GdashApis()
     cherrypy.quickstart(webapp, "/", conf)

ruff.toml

@@ -0,0 +1,14 @@
+# Enable flake8-bugbear (`B`) rules.
+select = ["E", "F", "B"]
+
+# Never enforce `E501` (line length violations).
+ignore = ["E501"]
+
+# Avoid trying to fix flake8-bugbear (`B`) violations.
+unfixable = ["B"]
+
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+[per-file-ignores]
+"__init__.py" = ["E402"]
+"path/to/file.py" = ["E402"]
+