[Webkit-unassigned] [Bug 257858] New: getMatchedRules() from declarativeNetRequest not displaying the MatchedRule with the ruleId and rulesetId

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257858

            Bug ID: 257858
           Summary: getMatchedRules() from declarativeNetRequest not
                    displaying the MatchedRule with the ruleId and
                    rulesetId
           Product: WebKit
           Version: Safari 16
          Hardware: Mac (Apple Silicon)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Extensions
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: b.gill.messages at icloud.com
                CC: timothy at apple.com

When using getMatchedRules() from declarativeNetRequest
(https://developer.chrome.com/docs/extensions/reference/declarativeNetRequest/#method-getMatchedRules), the item that is returned contains a "url" field instead of the MatchedRules object which should contain a ruleId and rulesetId:
https://developer.chrome.com/docs/extensions/reference/declarativeNetRequest/#type-MatchedRule

This is an example of what is returned:
rulesMatchedInfo: [
        {
                request: {url: "https://example.com"}
                tabId: 2
                timeStamp: 1686247475669.134
        }
]

As shown above, it only has the "url", not the rule.

The changelog states that for Safari 16.4 getMatchedRules() "fixed result of getMatchedRules() to match other browsers" (https://webkit.org/blog/13966/webkit-features-in-safari-16-4/), however this still doesn't seem to return the same thing that other browsers do.

getMatchedRules() does not give the rule that was matched. It doesn't have the rule ID that was used (e.g. 1, 5, etc), and it does not have the ruleset ID (i.e. the id of the static rules file if it was from the static rules, or if it was a session rule: "_session", or if it was from the dynamic rules: "_dynamic").

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