Add middleware to remove trailing slash

data-viewer/cypress/e2e/basic-loading/loading.cy.js

@@ -1,7 +1,7 @@
 describe("Basic loading tests for test nexus file", () => {
   beforeEach(() => {
     cy.visit(
-      "http://localhost:3000/view/mari/20024/MAR29531_10.5meV_sa.nxspe",
+      "http://localhost:3000/view/MARI/20024/MAR29531_10.5meV_sa.nxspe",
       { failOnStatusCode: false },
     );
   });
@@ -18,7 +18,7 @@ describe("Test for loading nexus file with space in name", () => {
   beforeEach(() => {
     // This URL DOES have a whitespace, but the underline in most IDEs makes it look like an underscore
     cy.visit(
-      "http://localhost:3000/view/mari/20024/MAR29531 10.5meV_sa.nxspe",
+      "http://localhost:3000/view/MARI/20024/MAR29531 10.5meV_sa.nxspe",
       { failOnStatusCode: false },
     );
   });

plotting-service/plotting_service/plotting_api.py

@@ -8,6 +8,7 @@
 from pathlib import Path
 
 from fastapi import FastAPI, HTTPException
+from fastapi.openapi.models import Response
 from h5grove.fastapi_utils import router, settings  # type: ignore
 from starlette.middleware.cors import CORSMiddleware
 from starlette.requests import Request
@@ -32,6 +33,17 @@
 logger = logging.getLogger(__name__)
 logger.info("Starting Plotting Service")
 
+
+class EndpointFilter(logging.Filter):
+    """Filter out log messages containing /healthz or /ready."""
+
+    def filter(self, record: logging.LogRecord) -> bool:
+        """Filter out log messages containing /healthz or /ready."""
+        return record.getMessage().find("/healthz") == -1 and record.getMessage().find("/ready") == -1
+
+
+logging.getLogger("uvicorn.access").addFilter(EndpointFilter())
+
 DEV_MODE = os.environ.get("DEV_MODE", "False").lower() == "true"
 if DEV_MODE:
     logger.info("Development only mode")
@@ -54,6 +66,21 @@
 settings.base_dir = Path(CEPH_DIR).resolve()
 
 
+@app.middleware("http")
+async def remove_trailing_slash(request: Request, call_next: typing.Callable[..., typing.Any]) -> Response:
+    path = request.scope.get("path", "")
+    # If the path ends with a slash (and isn't just the root "/"), strip it
+    if path != "/" and path.endswith("/"):
+        new_path = path.rstrip("/")
+
+        request.scope["path"] = new_path
+
+        if "raw_path" in request.scope:
+            request.scope["raw_path"] = new_path.encode("utf-8")
+
+    return await call_next(request)
+
+
 @app.middleware("http")
 async def check_permissions(request: Request, call_next: typing.Callable[..., typing.Any]) -> typing.Any:  # noqa: C901, PLR0911
     """Middleware that checks the requestee token has permissions for that