OF-3364: Fix getMaxMessages() reporting unlimited for default-type rooms - #3485
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MUCRoomHistory.getMaxMessages() switched on the room's own HistoryStrategy type, which is always 'defaulType' (sic) for rooms that inherit their history settings. This caused the method to always return -1 (unlimited) for such rooms, regardless of the parent's actual configured maximum. Add HistoryStrategy.resolveEffective() to walk up the parent chain to the strategy whose settings are actually in effect, and use it in getMaxMessages() so the correct type and maxNumber are reported.
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Suggested reviewers: Merge Risk: 🟡 Moderate · up to This corrects inherited MUC history resolution, but the public enum rename can disrupt plugin compatibility or existing persisted configuration during upgrades. A compatibility approach should be resolved before merge. 🚥 Pre-merge checks | ✅ 3✅ Passed checks (3 passed)
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Inline comments:
In `@xmppserver/src/main/java/org/jivesoftware/openfire/muc/HistoryStrategy.java`:
- Around line 331-334: Update HistoryStrategy.addMessage() and
isHistoryEnabled() to use resolveEffective() so nested default strategies
consistently delegate to the concrete ancestor, matching
MUCRoomHistory.getMaxMessages() and ensuring Messages.add() receives a supported
history type. Add a regression test covering two nested default strategies and
verifying messages are stored according to the resolved ancestor strategy.
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…in the future Right now, none of the callers to addMessage or to isHistoryEnabled can have a deep hierarchy of HistoryStrategy. This refactoring uses the new implementation to ensure we can't slip the same class of bug as OF-3364 into the code again in the future.
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Actionable comments posted: 1
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Inline comments:
In `@xmppserver/src/main/java/org/jivesoftware/openfire/muc/HistoryStrategy.java`:
- Line 390: Retain the Type.defaulType enum constant as a deprecated
compatibility alias, and update resolveEffective() so both defaulType and the
current default constant resolve to the default history strategy. Preserve
serialization compatibility and existing compiled-plugin references without
changing other enum behavior.
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xmppserver/src/main/java/org/jivesoftware/openfire/muc/HistoryStrategy.java
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MUCRoomHistory.getMaxMessages() switched on the room's own HistoryStrategy type, which is always 'defaulType' (sic) for rooms that inherit their history settings. This caused the method to always return -1 (unlimited) for such rooms, regardless of the parent's actual configured maximum.
Add HistoryStrategy.resolveEffective() to walk up the parent chain to the strategy whose settings are actually in effect, and use it in getMaxMessages() so the correct type and maxNumber are reported.