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Add fallback for missing http.route in API Security #8987

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Add fallback for missing http.route in API Security #8987

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e24b368
http route fallback
jandro996 Jun 16, 2025
fc68b3b
Merge branch 'master' into alejandro.gonzalez/api-security-sampling-f…
jandro996 Jul 11, 2025
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8 changes: 4 additions & 4 deletions dd-java-agent/appsec/src/main/java/com/datadog/appsec/gateway/GatewayBridge.java
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Original file line number Diff line number Diff line change
Expand Up @@ -820,11 +820,11 @@ private NoopFlow onRequestEnded(RequestContext ctx_, IGSpanInfo spanInfo) {
private boolean maybeSampleForApiSecurity(
AppSecRequestContext ctx, IGSpanInfo spanInfo, Map<String, Object> tags) {
log.debug("Checking API Security for end of request handler on span: {}", spanInfo.getSpanId());
// API Security sampling requires http.route tag.
// API Security sampling requires http.route tag. If it is not present, we set empty string to
// avoid filtering all requests when http route is not implemented for some frameworks.
final Object route = tags.get(Tags.HTTP_ROUTE);
if (route != null) {
ctx.setRoute(route.toString());
}
String routeStr = route != null ? route.toString() : "";
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@manuel-alvarez-alvarez manuel-alvarez-alvarez Jun 16, 2025

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Does it really make sense?, even though we include some requests we still don´t have the http.route to link the request. What does it mean from a security perspective? e.g.: if we compute the request/response schemas how we are going to link them to the actual path? (maybe it can be done/ it's done in the backed using the path or other strategies)

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@smola smola Jun 24, 2025

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@manuel-alvarez-alvarez These can later use endpoint inference in the backend (upcoming).

ctx.setRoute(routeStr);
ApiSecuritySampler requestSampler = requestSamplerSupplier.get();
return requestSampler.preSampleRequest(ctx);
}
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18 changes: 18 additions & 0 deletions ...agent/appsec/src/test/groovy/com/datadog/appsec/gateway/GatewayBridgeSpecification.groovy
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Expand Up @@ -1202,6 +1202,24 @@ class GatewayBridgeSpecification extends DDSpecification {
0 * traceSegment.setTagTop(Tags.PROPAGATED_TRACE_SOURCE, ProductTraceSource.ASM)
}

void 'test api security sampling - No http route'() {
given:
AppSecRequestContext mockAppSecCtx = Mock(AppSecRequestContext)
RequestContext mockCtx = Stub(RequestContext) {
getData(RequestContextSlot.APPSEC) >> mockAppSecCtx
getTraceSegment() >> traceSegment
}
IGSpanInfo spanInfo = Mock(AgentSpan)
when:
def flow = requestEndedCB.apply(mockCtx, spanInfo)
then:
1 * mockAppSecCtx.transferCollectedEvents() >> []
1 * spanInfo.getTags() >> ['http.route': null]
1 * requestSampler.preSampleRequest(_) >> true
0 * traceSegment.setTagTop(Tags.ASM_KEEP, true)
0 * traceSegment.setTagTop(Tags.PROPAGATED_TRACE_SOURCE, ProductTraceSource.ASM)
}

void 'test api security sampling - trace excluded'() {
given:
AppSecRequestContext mockAppSecCtx = Mock(AppSecRequestContext)
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