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Fix case-insensitive header redaction #685

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Merged
merged 4 commits into from
Nov 25, 2025
Merged

Fix case-insensitive header redaction #685

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70054be
Normalize header redaction keys
datadog-official[bot] Nov 25, 2025
0a905ec
feat: fmt
astuyve Nov 25, 2025
a33ae17
less than 3.19.0
rithikanarayan Nov 25, 2025
50501e6
Merge branch 'main' into dd/fix-header-redaction-casing
astuyve Nov 25, 2025
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2 changes: 1 addition & 1 deletion datadog_lambda/tag_object.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,6 @@ def _should_try_string(obj):

def _redact_val(k, v):
split_key = k.split(".").pop() or k
if split_key in redactable_keys:
if split_key.lower() in redactable_keys:
return "redacted"
return v
15 changes: 14 additions & 1 deletion tests/test_tag_object.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,13 +73,14 @@ def test_tag_object_max_depth_0(self):
"vals": [{"thingOne": 1}, {"thingTwo": 2}],
}
spanMock = MagicMock()
expected_value = str(payload)

tag_object(spanMock, "function.request", payload)
spanMock.set_tag.assert_has_calls(
[
call(
"function.request",
"{'hello': 'world', 'level1': {'level2_dict': {'level3': 3}, 'level2_list': [None, True, 'nice', {'l3': 'v3'}], 'level2_bool': True, 'level2_int': 2}, 'vals': [{'thingOne': 1}, {'thingTwo': 2}]}",
expected_value,
),
],
True,
Expand All @@ -105,6 +106,18 @@ def test_redacted_tag_object(self):
True,
)

def test_redacted_tag_object_case_insensitive(self):
payload = {
"Authorization": "secret",
"headers": {"X-AUTHORIZATION": "another"},
}
spanMock = MagicMock()
tag_object(spanMock, "function.request", payload)
spanMock.set_tag.assert_any_call("function.request.Authorization", "redacted")
spanMock.set_tag.assert_any_call(
"function.request.headers.X-AUTHORIZATION", "redacted"
)

def test_json_tag_object(self):
payload = {
"token": "world",
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