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Fix a bug where some NaN values could leak into the JSON output, causing it to be invalid. Created a new safe_json_dumps method since we would otherwise now be providing multiple parameters all over the code

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Ian Renton
2026-06-28 18:09:44 +01:00
parent 72f367f607
commit b09108b41b
16 changed files with 66 additions and 78 deletions
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server/handlers/api/addspot.py
+13 -21
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@@ -14,7 +14,7 @@ from core.constants import UNKNOWN_BAND
from core.lookup_helper import infer_band_from_freq
from core.prometheus_metrics_handler import api_requests_counter
from core.sig_utils import get_ref_regex_for_sig
from core.utils import serialize_everything
from core.utils import safe_json_dumps
from data.sig_ref import SIGRef
from data.spot import Spot
@@ -42,8 +42,7 @@ class APISpotHandler(tornado.web.RequestHandler):
# Reject if not allowed
if not ALLOW_SPOTTING:
self.set_status(401)
self.write(json.dumps("Error - this server does not allow new spots to be added via the API.",
default=serialize_everything))
self.write(safe_json_dumps("Error - this server does not allow new spots to be added via the API."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -51,8 +50,7 @@ class APISpotHandler(tornado.web.RequestHandler):
# Reject if format not json
if not self.request.headers.get('Content-Type', '').startswith("application/json"):
self.set_status(415)
self.write(
json.dumps("Error - request Content-Type must be application/json", default=serialize_everything))
self.write(safe_json_dumps("Error - request Content-Type must be application/json"))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -61,7 +59,7 @@ class APISpotHandler(tornado.web.RequestHandler):
post_data = self.request.body
if not post_data:
self.set_status(422)
self.write(json.dumps("Error - request body is empty", default=serialize_everything))
self.write(safe_json_dumps("Error - request body is empty"))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -81,8 +79,7 @@ class APISpotHandler(tornado.web.RequestHandler):
# Reject if no timestamp, frequency, dx_call or de_call
if not spot.time or not spot.dx_call or not spot.freq or not spot.de_call:
self.set_status(422)
self.write(json.dumps("Error - 'time', 'dx_call', 'freq' and 'de_call' must be provided as a minimum.",
default=serialize_everything))
self.write(safe_json_dumps("Error - 'time', 'dx_call', 'freq' and 'de_call' must be provided as a minimum."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -90,15 +87,13 @@ class APISpotHandler(tornado.web.RequestHandler):
# Reject invalid-looking callsigns
if not re.match(r"^[A-Za-z0-9/\-]*$", spot.dx_call):
self.set_status(422)
self.write(json.dumps("Error - '" + spot.dx_call + "' does not look like a valid callsign.",
default=serialize_everything))
self.write(safe_json_dumps("Error - '" + spot.dx_call + "' does not look like a valid callsign."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
if not re.match(r"^[A-Za-z0-9/\-]*$", spot.de_call):
self.set_status(422)
self.write(json.dumps("Error - '" + spot.de_call + "' does not look like a valid callsign.",
default=serialize_everything))
self.write(safe_json_dumps("Error - '" + spot.de_call + "' does not look like a valid callsign."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -106,8 +101,7 @@ class APISpotHandler(tornado.web.RequestHandler):
# Reject if frequency not in a known band
if infer_band_from_freq(spot.freq) == UNKNOWN_BAND:
self.set_status(422)
self.write(json.dumps("Error - Frequency of " + str(spot.freq / 1000.0) + "kHz is not in a known band.",
default=serialize_everything))
self.write(safe_json_dumps("Error - Frequency of " + str(spot.freq / 1000.0) + "kHz is not in a known band."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -117,8 +111,7 @@ class APISpotHandler(tornado.web.RequestHandler):
r"^([A-R]{2}[0-9]{2}[A-X]{2}[0-9]{2}[A-X]{2}|[A-R]{2}[0-9]{2}[A-X]{2}[0-9]{2}|[A-R]{2}[0-9]{2}[A-X]{2}|[A-R]{2}[0-9]{2})$",
spot.dx_grid.upper()):
self.set_status(422)
self.write(json.dumps("Error - '" + spot.dx_grid + "' does not look like a valid Maidenhead grid.",
default=serialize_everything))
self.write(safe_json_dumps("Error - '" + spot.dx_grid + "' does not look like a valid Maidenhead grid."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -127,9 +120,8 @@ class APISpotHandler(tornado.web.RequestHandler):
if spot.sig and spot.sig_refs and len(spot.sig_refs) > 0 and spot.sig_refs[0].id and get_ref_regex_for_sig(
spot.sig) and not re.match(get_ref_regex_for_sig(spot.sig), spot.sig_refs[0].id):
self.set_status(422)
self.write(json.dumps(
"Error - '" + spot.sig_refs[0].id + "' does not look like a valid reference for " + spot.sig + ".",
default=serialize_everything))
self.write(safe_json_dumps(
"Error - '" + spot.sig_refs[0].id + "' does not look like a valid reference for " + spot.sig + "."))
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
return
@@ -139,14 +131,14 @@ class APISpotHandler(tornado.web.RequestHandler):
spot.infer_missing()
self._spots.add(spot.id, spot, expire=MAX_SPOT_AGE)
self.write(json.dumps("OK", default=serialize_everything))
self.write(safe_json_dumps("OK"))
self.set_status(201)
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")
except Exception as e:
logging.error(e)
self.write(json.dumps("Error - an internal server error occurred.", default=serialize_everything))
self.write(safe_json_dumps("Error - an internal server error occurred."))
self.set_status(500)
self.set_header("Cache-Control", "no-store")
self.set_header("Content-Type", "application/json")