Handle spaces in labels (#3679)

* Unquote label in flask routes
Encode label in Camera.jsx

* Don't use preprocessor

* Update nginx location for cacheable images

docker/rootfs/usr/local/nginx/conf/nginx.conf

@@ -172,10 +172,11 @@ http {
             proxy_set_header Host $host;
         }
 
-        location ~* /api/(.*\.(jpg|jpeg|png)$) {
+        location ~* /api/.*\.(jpg|jpeg|png)$ {
             add_header 'Access-Control-Allow-Origin' '*';
             add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
-            proxy_pass http://frigate_api/$1$is_args$args;
+            rewrite ^/api/(.*)$ $1 break;
+            proxy_pass http://frigate_api;
             proxy_pass_request_headers on;
             proxy_set_header Host $host;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

frigate/http.py

@@ -8,6 +8,7 @@ import subprocess as sp
 import time
 from functools import reduce
 from pathlib import Path
+from urllib.parse import unquote
 
 import cv2
 
@@ -341,6 +342,7 @@ def event_thumbnail(id, max_cache_age=2592000):
 @bp.route("/<camera_name>/<label>/best.jpg")
 @bp.route("/<camera_name>/<label>/thumbnail.jpg")
 def label_thumbnail(camera_name, label):
+    label = unquote(label)
     if label == "any":
         event_query = (
             Event.select()
@@ -424,6 +426,7 @@ def event_snapshot(id):
 
 @bp.route("/<camera_name>/<label>/snapshot.jpg")
 def label_snapshot(camera_name, label):
+    label = unquote(label)
     if label == "any":
         event_query = (
             Event.select()
@@ -491,7 +494,7 @@ def event_clip(id):
 def events():
     limit = request.args.get("limit", 100)
     camera = request.args.get("camera", "all")
-    label = request.args.get("label", "all")
+    label = unquote(request.args.get("label", "all"))
     sub_label = request.args.get("sub_label", "all")
     zone = request.args.get("zone", "all")
     after = request.args.get("after", type=float)
@@ -753,9 +756,9 @@ def recordings(camera_name):
     return jsonify([e for e in recordings.dicts()])
 
 
-@bp.route("/<camera>/start/<int:start_ts>/end/<int:end_ts>/clip.mp4")
-@bp.route("/<camera>/start/<float:start_ts>/end/<float:end_ts>/clip.mp4")
-def recording_clip(camera, start_ts, end_ts):
+@bp.route("/<camera_name>/start/<int:start_ts>/end/<int:end_ts>/clip.mp4")
+@bp.route("/<camera_name>/start/<float:start_ts>/end/<float:end_ts>/clip.mp4")
+def recording_clip(camera_name, start_ts, end_ts):
     download = request.args.get("download", type=bool)
 
     recordings = (
@@ -765,7 +768,7 @@ def recording_clip(camera, start_ts, end_ts):
             | (Recordings.end_time.between(start_ts, end_ts))
             | ((start_ts > Recordings.start_time) & (end_ts < Recordings.end_time))
         )
-        .where(Recordings.camera == camera)
+        .where(Recordings.camera == camera_name)
         .order_by(Recordings.start_time.asc())
     )
 
@@ -780,7 +783,7 @@ def recording_clip(camera, start_ts, end_ts):
         if clip.end_time > end_ts:
             playlist_lines.append(f"outpoint {int(end_ts - clip.start_time)}")
 
-    file_name = f"clip_{camera}_{start_ts}-{end_ts}.mp4"
+    file_name = f"clip_{camera_name}_{start_ts}-{end_ts}.mp4"
     path = f"/tmp/cache/{file_name}"
 
     ffmpeg_cmd = [
@@ -809,7 +812,7 @@ def recording_clip(camera, start_ts, end_ts):
     )
     if p.returncode != 0:
         logger.error(p.stderr)
-        return f"Could not create clip from recordings for {camera}.", 500
+        return f"Could not create clip from recordings for {camera_name}.", 500
 
     response = make_response()
     response.headers["Content-Description"] = "File Transfer"
@@ -825,9 +828,9 @@ def recording_clip(camera, start_ts, end_ts):
     return response
 
 
-@bp.route("/vod/<camera>/start/<int:start_ts>/end/<int:end_ts>")
-@bp.route("/vod/<camera>/start/<float:start_ts>/end/<float:end_ts>")
-def vod_ts(camera, start_ts, end_ts):
+@bp.route("/vod/<camera_name>/start/<int:start_ts>/end/<int:end_ts>")
+@bp.route("/vod/<camera_name>/start/<float:start_ts>/end/<float:end_ts>")
+def vod_ts(camera_name, start_ts, end_ts):
     recordings = (
         Recordings.select()
         .where(
@@ -835,7 +838,7 @@ def vod_ts(camera, start_ts, end_ts):
             | Recordings.end_time.between(start_ts, end_ts)
             | ((start_ts > Recordings.start_time) & (end_ts < Recordings.end_time))
         )
-        .where(Recordings.camera == camera)
+        .where(Recordings.camera == camera_name)
         .order_by(Recordings.start_time.asc())
     )
 
@@ -876,14 +879,14 @@ def vod_ts(camera, start_ts, end_ts):
     )
 
 
-@bp.route("/vod/<year_month>/<day>/<hour>/<camera>")
-def vod_hour(year_month, day, hour, camera):
+@bp.route("/vod/<year_month>/<day>/<hour>/<camera_name>")
+def vod_hour(year_month, day, hour, camera_name):
     start_date = datetime.strptime(f"{year_month}-{day} {hour}", "%Y-%m-%d %H")
     end_date = start_date + timedelta(hours=1) - timedelta(milliseconds=1)
     start_ts = start_date.timestamp()
     end_ts = end_date.timestamp()
 
-    return vod_ts(camera, start_ts, end_ts)
+    return vod_ts(camera_name, start_ts, end_ts)
 
 
 @bp.route("/vod/event/<id>")

web/src/routes/Camera.jsx

@@ -133,8 +133,8 @@ export default function Camera({ camera }) {
               className="mb-4 mr-4"
               key={objectType}
               header={objectType}
-              href={`/events?camera=${camera}&label=${objectType}`}
-              media={<img src={`${apiHost}/api/${camera}/${objectType}/thumbnail.jpg`} />}
+              href={`/events?camera=${camera}&label=${encodeURIComponent(objectType)}`}
+              media={<img src={`${apiHost}/api/${camera}/${encodeURIComponent(objectType)}/thumbnail.jpg`} />}
             />
           ))}
         </div>