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Throw value error when serializing JSON object with NaN value #5810

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merged 5 commits into from
May 6, 2021
Merged

Throw value error when serializing JSON object with NaN value #5810

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491b488
disallow nan values in json serialize
tallalnparis4ev May 4, 2021
3099b4b
test nan value in json post
tallalnparis4ev May 4, 2021
4fb8f02
added exception for invalid json in request
tallalnparis4ev May 4, 2021
20ae6dc
use invalid json exception
tallalnparis4ev May 4, 2021
8d69d7e
invalid json test
tallalnparis4ev May 4, 2021
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9 changes: 7 additions & 2 deletions requests/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
from .cookies import cookiejar_from_dict, get_cookie_header, _copy_cookie_jar
from .exceptions import (
HTTPError, MissingSchema, InvalidURL, ChunkedEncodingError,
ContentDecodingError, ConnectionError, StreamConsumedError)
ContentDecodingError, ConnectionError, StreamConsumedError, InvalidJSONError)
from ._internal_utils import to_native_string, unicode_is_ascii
from .utils import (
guess_filename, get_auth_from_url, requote_uri,
Expand Down Expand Up @@ -466,7 +466,12 @@ def prepare_body(self, data, files, json=None):
# urllib3 requires a bytes-like body. Python 2's json.dumps
# provides this natively, but Python 3 gives a Unicode string.
content_type = 'application/json'
body = complexjson.dumps(json, allow_nan=False)

try:
body = complexjson.dumps(json, allow_nan=False)
except ValueError as ve:
raise InvalidJSONError(ve, request=self)
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@sigmavirus24 is this okay? Couldn't do it the exact way you specified, but request contains the JSON info.

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I have an instinct of "No" but that's because people do not read the docs and sometimes pass open files and such in addition to the json= keyword and keeping a reference to those might not be the best but that's a "The user has shot themselves in the foot" situation only for high traffic (lots of requests doing the wrong thing explicitly that has undefined behaviour), poorly designed software (because it's potentially not releasing/decref'ing the exception which doesn't decref the request which doesn't decref the file obj).

tl;dr - This should be fine


if not isinstance(body, bytes):
body = body.encode('utf-8')

Expand Down