[webkit-changes] [WebKit/WebKit] b09245: Enforce maximum push topic limit in webpushd

[bnham]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: b09245a3d4dc3f727c822740a8ed5cf143f68d12
      https://github.com/WebKit/WebKit/commit/b09245a3d4dc3f727c822740a8ed5cf143f68d12
  Author: Ben Nham <nham at apple.com>
  Date:   2024-09-10 (Tue, 10 Sep 2024)

  Changed paths:
    M Source/WebKit/webpushd/PushService.h
    M Source/WebKit/webpushd/PushService.mm

  Log Message:
  -----------
  Enforce maximum push topic limit in webpushd
https://bugs.webkit.org/show_bug.cgi?id=279471
rdar://135752810

Reviewed by Brady Eidson.

There is a system-wide push topic limit, after which push delivery becomes unreliably (e.g. lower
priority push topics start getting silently ignored by the server). We should try to avoid
monopolizing all of the system-wide push topics and try to limit ourselves to using a reasonably
high number of topics.

* Source/WebKit/webpushd/PushService.h:
* Source/WebKit/webpushd/PushService.mm:
(WebPushD::PushService::subscribe):
(WebPushD::PushService::updateTopicLists):

Canonical link: https://commits.webkit.org/283459@main



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