Arturo Bernal created HTTPCLIENT-2273:
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Summary: Improve handling of "no-cache" directive with specified
header fields
Key: HTTPCLIENT-2273
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2273
Project: HttpComponents HttpClient
Issue Type: Improvement
Reporter: Arturo Bernal
Currently, the Apache HttpComponents client does not fully handle the
"no-cache" directive with specified header fields as outlined in RFC 7234. This
may lead to incorrect caching behavior when the "no-cache" directive is used
with specific header fields.
The goal of this ticket is to enhance the handling of the "no-cache" directive
to ensure that specified header fields are not sent in a response to a
subsequent request without successful revalidation with the origin server. This
allows an origin server to prevent the re-use of certain header fields in a
response, while still allowing caching of the rest of the response.
To achieve this, the following changes should be made:
# Update the caching module to identify and handle "no-cache" directives with
specified header fields.
# Revalidate the response with the origin server when the specified header
fields are present in a cached response, to ensure that they are not reused
without successful revalidation.
# Ensure that the rest of the response is still cacheable when the specified
header fields are present, as long as the response complies with other caching
requirements.
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