drogonframework/drogon

Adding cookie "Partitioned" flag

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#2,202 opened on Nov 4, 2024

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good first issue

Description

Is your feature request related to a problem? Please describe.

Recently, browsers have added a new flag called Partitioned that allow cross-origin cookie setting on browsers where third party cookies are disabled (Safari, Firefox, future Chrome):

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#partitioned

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#partitioned_cookie

https://developer.mozilla.org/en-US/docs/Web/Privacy/Privacy_sandbox/Partitioned_cookies

Describe the solution you'd like

I'd love for the currently available Cookie class to support the new Partitioned flag.

Describe alternatives you've considered

It does not seem to be currently possible to set arbitrary strings as flags on Drogon cookies.

Contributor guide

Tech stack
cpp
Domain
backendapi
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
C++ knowledgeHTTP cookie basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
The Drogon Cookie class likely has member functions and enums for flags. Look at the header file (e.g., `include/drogon/Cookie.h`) to understand how existing flags like Secure and HttpOnly are implemented. Add a new `Partitioned` flag following the same pattern. Ensure the serialization in `Set Cookie` header output includes the flag. No linked PRs or assignees indicate the issue is open for contribution.