Andrea Cosentino created CAMEL-24084:
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Summary: camel-knative: apply header filter strategy to
structured-mode CloudEvent extension headers
Key: CAMEL-24084
URL: https://issues.apache.org/jira/browse/CAMEL-24084
Project: Camel
Issue Type: Improvement
Components: camel-knative
Reporter: Andrea Cosentino
Assignee: Andrea Cosentino
Fix For: 4.22.0
The Knative consumer filters inbound HTTP headers through
{{KnativeHttpHeaderFilterStrategy}}, so Camel-internal headers (the {{Camel*}}
namespace) are not mapped onto the message. When a CloudEvent is received in
structured content mode ({{application/cloudevents+json}}),
{{CloudEventProcessors.decodeStructuredContent}} maps the remaining event
fields (extensions) directly onto the message headers without applying any
{{HeaderFilterStrategy}}, which is inconsistent with the binary/HTTP-header
path.
This change routes structured-mode extension fields through a
{{HeaderFilterStrategy}} before setting them as headers, so {{Camel*}} headers
(matched case-insensitively) are filtered consistently on both content modes.
Ordinary CloudEvent extension attributes are unaffected.
Affected: camel-knative-component ({{CloudEventProcessors}} /
{{AbstractCloudEventProcessor}}) on main (4.22.0), 4.18.x and 4.14.x. An
upgrade-guide note is included.
_Filed by Claude Code on behalf of Andrea Cosentino (@oscerd)._
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