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fix(detectors): support 84-character Azure OpenAI API keys #4976

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fix(detectors): support 84-character Azure OpenAI API keys #4976

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e902991
fix(detectors): support 84-character Azure OpenAI API keys
mangod12 May 21, 2026
f0d195c
fix: correct test key lengths to 84 chars and restore hex-only 32-cha…
mangod12 May 22, 2026
944342b
fix(test): use low-entropy test keys to avoid secret scanner alerts
mangod12 May 22, 2026
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4 changes: 2 additions & 2 deletions pkg/detectors/azure_openai/azure_openai.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ var (
// TODO: Investigate custom `azure-api.net` endpoints.
// https://github.com/openai/openai-python#microsoft-azure-openai
azureUrlPat = regexp.MustCompile(`(?i)([a-z0-9-]+\.openai\.azure\.com)`)
azureKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"api[_.-]?key", "openai[_.-]?key"}) + `\b(?-i:([a-f0-9]{32}))\b`)
azureKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"api[_.-]?key", "openai[_.-]?key"}) + `\b(?-i:([a-f0-9]{32}|[a-zA-Z0-9]{84}))\b`)

invalidServices = simple.NewCache[struct{}]()
)
Expand Down Expand Up @@ -76,7 +76,7 @@ func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (result
for token := range tokens {
s1 := detectors.Result{
DetectorType: s.Type(),
Redacted: token[:3] + "..." + token[25:],
Redacted: token[:3] + "..." + token[len(token)-4:],
Raw: []byte(token),
SecretParts: map[string]string{"key": token},
}
Expand Down
28 changes: 28 additions & 0 deletions pkg/detectors/azure_openai/azure_openai_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,34 @@ func TestAzureOpenAI_Pattern(t *testing.T) {
}`,
want: []string{"57d2de35873840b5ad59d742e90e974e"},
},
{
name: "84-character key - environment variable",
input: `export OPENAI_API_BASE=https://myservice-east.openai.azure.com/
export OPENAI_API_KEY=aB1cD2eF3gH4iJ5kL6mN7oP8qR9sT0aB1cD2eF3gH4iJ5kL6mN7oP8qR9sT0aB1cD2eF3gH4iJ5kL6mN7oP8`,
want: []string{"aB1cD2eF3gH4iJ5kL6mN7oP8qR9sT0aB1cD2eF3gH4iJ5kL6mN7oP8qR9sT0aB1cD2eF3gH4iJ5kL6mN7oP8"},
},
{
name: "84-character key - curl command",
input: `curl -X POST "https://prod-openai.openai.azure.com/openai/deployments/gpt-4o-mini/chat/completions?api-version=2025-01-01-preview" \
-H "Content-Type: application/json" \
-H "api-key: Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2Rr1Qq0Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2Rr1Qq0Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2"`,
want: []string{"Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2Rr1Qq0Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2Rr1Qq0Zz9Yy8Xx7Ww6Vv5Uu4Tt3Ss2"},
},
{
name: "84-character key - Python SDK",
input: `from openai import AzureOpenAI
client = AzureOpenAI(
azure_endpoint="https://team-ai.openai.azure.com/",
api_key="a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5a1b2c3d4e5f6g7h8i9j0k1l2",
)`,
want: []string{"a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5a1b2c3d4e5f6g7h8i9j0k1l2"},
},
{
name: "invalid - 50 character key (wrong length)",
input: `OPENAI_API_KEY=uQ9XsjB7aM2eVt5rL1pZcW6yGk4nF8oHd3RzXaYbT7vUjKm
https://test.openai.azure.com/`,
want: []string{},
},
}

for _, test := range tests {
Expand Down