942e8ec0037feaea40830725dcc1f607d11c156f
3 Commits
| Author | SHA1 | Message | Date | |
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 dillard
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935c7b6a08 |
Phase 2: checksum audit (occ backup:verify)
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Repository::verify(): every blob a snapshot's files and database dump reference must be in a freshly re-downloaded, re-authenticated index (never trusted from the local cache, same reasoning as prune()) and have its pack still present on the location -- shallow, cheap, no blob content read, catches a deleted pack, a tampered/rolled-back index, or a database manifest that went missing (reported as a failure, not silently skipped). With $deep, each blob is also downloaded and decrypted, same as loadBlob() already does on every real read (AEAD authentication tag, content hash against its blob id), done here deliberately for everything in the snapshot rather than waiting for it to come up during an actual restore. A blob referenced by more than one file is only checked once; pack presence is cached per pack, not re-checked per blob. occ backup:verify <target> <snapshot> [--deep], meant to run periodically (cron, a sample of recent snapshots), per PLAN.md's "Verificatie: periodiek checksums controleren, steekproef-restore". The lease covering the audit is refreshed roughly every half of its TTL while blobs are checked, rather than relying on a single long-lived lease like the other new phase-2 commands do. Verified against a real S3-backed 1.4 GiB / 603-blob snapshot (shallow: instant; --deep: ~28s, fully decrypted) in addition to the new unit tests and the roundtrip.sh addition (shallow and deep on a snapshot with real, varied file sizes, now covered on every CI matrix combination). Local review (Codex) on the first pass found three real issues, all fixed: a missing database manifest was silently skipped instead of reported; shallow verification trusted the (possibly stale or unauthenticated) local index cache instead of re-checking the authenticated index on the location; and the lease had no refresh, so a --deep audit of a very large snapshot could outrun its TTL and run unprotected against a concurrent prune. |
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dillard
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48ea6bb33d |
CI: round trip against real S3 and SFTP backends, not just a local path
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Added tests/integration/targets-matrix.sh, which runs the full backup/restore round trip through files_external's AmazonS3 and SFTP backend classes (S3 via a disposable s3mock container, SFTP via atmoz/sftp), since the existing matrix only ever exercised the local backend. This caught a real bug: moving a snapshot to the trash read it from the location and streamed it straight back into a write on the same connection, which SFTP can't do reliably (phpseclib fails to interleave a read and a write on one connection). Backends now expose a native move() and the id-bound snapshot object is moved with that instead of a read+write copy; the path-bound database dump still goes through decrypt/re-encrypt, since its AEAD authentication is tied to its path. |
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dillard
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c54b2cebed |
M5: end-to-end test matrix and CI
- tests/integration/roundtrip.sh: key, kit code and confirmation, location, full and unchanged incremental backup, restore new-folder and replace (files identical, extra file in the trash), database dump and restore, retention, trash and restore from trash, no files_external errors in the log - tests/integration/matrix.sh: fresh Nextcloud per version and database (SQLite, MariaDB, PostgreSQL), removes only its own containers and their volumes; locally green on NC32 and NC35 with all three databases - GitHub Actions: unit tests on PHP 8.2-8.4, round trip on NC32-35 x SQLite/MariaDB/PostgreSQL Fixes found by the matrix: - files_external is no longer booted when it is disabled: only its classes are loaded and a private BackendService gets its backends from its Application class (booting registered its mount provider, which failed on installations where its tables were never created) - SQLite: the database file is excluded from the file backup (it is covered by the logical dump and copying the live file is inconsistent) - occ backup:key:confirm accepts --code and --confirm for scripts |