Fail closed when gizmoduck viewer-age lookup errors - #159
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Fail closed when gizmoduck viewer-age lookup errors#159Pitchfork-and-Torch wants to merge 1 commit into
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Gizmoduck viewer RPC Err/timeout was mapped to ViewerAge::Unknown. SensitiveViewerUnderageDropRule and NoStatedAgeDropRule both miss Unknown, so NSFW/gore/card-image served as a normal card during an outage. Stamp LookupFailed and hard-drop sensitive media globally. Confirmed Unknown (no such user) and NotStated stay unchanged. Co-authored-by: Jon Bailey <Pitchfork-and-Torch@users.noreply.github.com>
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This was referenced Sep 7, 2026
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Bug
Gizmoduck viewer RPC
Err/ timeout was collapsed toViewerAge::Unknown.SensitiveViewerUnderageDropRuleonly matchesKnown(age) < 18.SensitiveViewerNoStatedAgeDropRuleonly matchesNotStatedin a gating country.UnknownAllows.#133 left this: "RPC error already fails open as Unknown." Age-0 is now
NotStated. A failed read of a real logged-in viewer is not "no such user."This is not #133 (age 0 sentinel). This is not #125 (mixer origin NSFW). This is not #149 (VF author Failed → omit). This is not #144 (user-label miss).
Five-line proof
ViewerHydrator::hydrate(Err/ timeout used to stampUnknown)SensitiveViewerUnderageDropRule(LookupFailednow hard-drops sensitive media)Unknown(no such user) andNotStated(jurisdiction-scoped) are unchanged. Fail closed when VF gizmoduck author lookup is Err or missing #149 owns author Failed.Change
Stamp
ViewerAge::LookupFailedon gizmoduck viewerErr/ timeout. The underage drop also fires onage_lookup_failedso sensitive media hard-drops globally, including outsideNSFW_GATING_COUNTRIES. Non-sensitive posts still serve.Tests
LookupFailed(notUnknown, not underage, notNotStated)LookupFaileddrops every sensitive firing candidate, including NSFW_TEXT in USLookupFailedallows a clean non-sensitive postUnknownstill Allows (confirmed no-such-user)gizmoduck_age_lookup_failed_drops_sensitive_mediaStandalone decision-table harness (same match arms): 15/15 passed.
cargo testcannot run. Public dump has no visibility-filtering crate manifest.Leftover
Author gizmoduck Failed is #149. Interstitial on an ancillary quote/RT is #143/#146. Account-country geo is #113.
Fork PR: none