fix: enforce single-owner explicit membership at every folder write sink - #63
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Included review availability: 0 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 1 review per hour. 📝 WalkthroughWalkthroughThe change enforces single ownership for explicitly assigned containers during folder saves, folder ID updates, and imports. Saved folders take precedence. Imports retain the first folder’s claim. Corrupt configuration now causes folder ID updates to return HTTP 500. ChangesExplicit Membership Ownership
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to This localized change enforces single ownership when folder membership data is written; no actionable merge-blocking risk remains beyond normal checks and review. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Linked Issues checkExplanation The changes satisfy issue Full details: Out of Scope Changes checkExplanation The changes remain within scope. Strict configuration loading and numeric folder ID preservation support safe folder-map writes and consistent ownership enforcement rather than introducing unrelated behavior. ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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One container could sit in two folders' containers[] via Import Everything bundles, hand-edited config, or a rename landing on a name already explicit elsewhere — and each surface then picked its own winner by processing order. fv3_dedupe_explicit_members() now runs at all three sinks that write folder maps: updateFolder (the saved folder wins), updateFolderIds (rename re-assertion, first-wins), and importAll (first folder in bundle order wins), so read sites never see a contested explicit claim. Closes #62
updateFolderIds() read with the non-strict helper, so a corrupt config decoded as empty. That was previously inert — no folder id matched, so nothing was written — but the dedupe now rewrites every folder from that data, so the read matches updateFolder's strict abort.
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In `@src/folder.view3/usr/local/emhttp/plugins/folder.view3/server/lib.php`:
- Around line 720-721: Normalize winnerId to its canonical string form before
the foreach loop, so the strict comparison with each folder ID remains
consistent when PHP provides integer keys; preserve the existing skip behavior
for the winner and invalid containers.
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PHP stores an all-digit folder id as an integer array key, so the strict comparison failed against the string id the caller passed. The winning folder was then treated as a loser and stripped of the very members claimed for it a few lines earlier — saving such a folder emptied its own container list. Both sides are compared as strings now, with the no-winner case kept explicit so a folder keyed by an empty string is still deduped.
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The remaining pre-merge warning is Docstring Coverage at 20%. Same disposition as #60: this codebase deliberately uses brief navigational comments rather than docstrings, per its own conventions, so the 80% gate does not apply here. No change made. |
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Actionable comments posted: 1
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Inline comments:
In `@src/folder.view3/usr/local/emhttp/plugins/folder.view3/server/lib.php`:
- Around line 1320-1322: Update the import filtering logic immediately before
fv3_dedupe_explicit_members() so integer folder IDs produced by json_decode are
normalized to strings before the existing regex validation. Preserve valid
all-digit folder IDs in the cleaned map and continue rejecting keys that do not
satisfy the current folder-ID format.
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json_decode gives an all-digit folder key an integer type, so the import allowlist's is_string() check discarded that folder entirely — the restore then reported success with a folder missing. The key is validated as its canonical string instead, which keeps the alphanumeric allowlist that guards against ids breaking out of class/onclick attributes at render.
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One container could appear in two folders' explicit
containers[]lists — reachable through Import Everything bundles (including folder.view2-era exports), hand-editeddocker.json/vm.json, or a container rename resolving onto a name already explicit in another folder. The editor itself prevents it, but once present each surface picked its own winner by processing order:syncContainerOrder()first-wins in JSON key order, the rendered tabs by display order. Same defect class #55 closed for explicit-vs-label, left open for explicit-vs-explicit.This enforces single ownership at the write sinks instead of tie-breaking at every read site. A new
fv3_dedupe_explicit_members()runs at all three places that write folder maps:updateFolder()(serves both create.php and update.php) — the folder being saved wins, since that's the user's latest deliberate action; its members are stripped from every other folder in the same atomic writeupdateFolderIds()— the rename-resolution path re-asserts the invariant after patching names (a rename can land on a name already explicit elsewhere); first-wins in key orderimportAll()— the imported docker/vm maps are deduped before writing, first folder in bundle key order wins, deterministic for a given fileRead sites never see a contested explicit claim, so no per-page resolution logic is needed and every surface agrees.
Verified on Unraid's PHP with fixture tests: winner-steals, first-wins, three-way contest with a middle winner, absent winner id, corrupt non-array
containerspassthrough without fatal, non-string entries preserved without claiming, and a duplicate-free map surviving byte-identical through both modes.Closes #62
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