better authenticarion

netatmo_service/app.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 import logging
 import os
 
-from flask import Flask, Response, abort, jsonify, render_template
+from flask import Flask, Response, abort, jsonify, render_template, url_for
 
 from .collector import Collector
 from .config import Config
@@ -11,12 +11,34 @@ from .netatmo import NetatmoClient
 from .rrd import ALIASES, PERIODS, RRD_ERROR, RRDStore, SCHEMAS
 
 
+class PrefixMiddleware:
+    """Mount a WSGI application below a fixed URL path."""
+
+    def __init__(self, application, prefix: str):
+        self.application = application
+        self.prefix = prefix
+
+    def __call__(self, environ, start_response):
+        path = environ.get("PATH_INFO", "")
+        if path == self.prefix or path.startswith(f"{self.prefix}/"):
+            environ["SCRIPT_NAME"] = environ.get("SCRIPT_NAME", "") + self.prefix
+            environ["PATH_INFO"] = path[len(self.prefix):] or "/"
+            return self.application(environ, start_response)
+        start_response("404 Not Found", [("Content-Type", "text/plain; charset=utf-8")])
+        return [b"Not Found\n"]
+
+
 def create_app(test_config: dict | None = None) -> Flask:
     app = Flask(__name__)
     app.config.from_object(Config)
     if test_config:
         app.config.update(test_config)
 
+    prefix = app.config["URL_PREFIX"]
+    app.config["APPLICATION_ROOT"] = prefix or "/"
+    if prefix:
+        app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix)
+
     logging.basicConfig(level=app.config.get("LOG_LEVEL", "INFO"))
     store = app.config.get("RRD_STORE") or RRDStore(
         app.config["RRD_FOLDER"], app.config["GRAPH_WIDTH"], app.config["GRAPH_HEIGHT"]
@@ -37,7 +59,12 @@ def create_app(test_config: dict | None = None) -> Flask:
 
     @app.get("/")
     def dashboard():
-        return render_template("dashboard.html", rrd_names=list(SCHEMAS), periods=list(PERIODS))
+        return render_template(
+            "dashboard.html",
+            rrd_names=list(SCHEMAS),
+            periods=list(PERIODS),
+            graph_url_template=url_for("graph", rrd_name="__name__", period="__period__"),
+        )
 
     @app.get("/health")
     def health():