fix(#3277844): stage each upload in a directory of its own - #31
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe upload form now stages each file in a unique ChangesUpload staging and cleanup
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🔵 Low · up to Uploads will use isolated staging directories, preventing duplicate preview URLs and stale thumbnails. The cleanup change is mergeable with owner awareness because an unrelated empty ffp-* directory under a configured staging root could be removed if it shares the module's naming convention. Sequence Diagram(s)sequenceDiagram
participant FieldWidgetSingleElementForm
participant Crypt
participant FileEntity
participant File
participant FileSystemInterface
FieldWidgetSingleElementForm->>Crypt: Generate random staging suffix
Crypt-->>FieldWidgetSingleElementForm: Return suffix
FieldWidgetSingleElementForm->>FileEntity: Stage upload under ffp-* directory
FileEntity->>File: Invoke file deletion hook
File->>FileSystemInterface: Remove empty configured staging directory
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Full details: Docstring CoverageExplanation Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 25 functions across 6 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches📝 Generate docstrings
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Inline comments:
In `@src/Hook/File.php`:
- Around line 73-74: Update the cleanup logic in the file URI handling around
preg_match and rmdir so it removes directories only when ownership by this
module is recorded or an authoritative staging-root marker verifies them; do not
rely solely on the ffp-* name pattern. Add a kernel test covering an unrelated
ffp-* directory and assert it remains after cleanup.
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📒 Files selected for processing (6)
src/Hook/FieldWidgetSingleElementForm.phpsrc/Hook/File.phptests/src/Functional/FileFieldPathsGeneralTest.phptests/src/Functional/FileFieldPathsMultiValueReplaceTest.phptests/src/Kernel/StagingDirectoryCleanupTest.phptests/src/Unit/FieldWidgetSingleElementFormTest.php
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## 8.x-1.x #31 +/- ##
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+ Coverage 83.39% 83.66% +0.27%
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Files 20 20
Lines 783 796 +13
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+ Hits 653 666 +13
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Fixes https://www.drupal.org/i/3277844
Problem
Every upload on a File (Field) Paths field is staged at
<temp_location>/<original filename>until the entity is saved and the file moves to its real path. When two uploads share a name they share that staged path. The first file moves out on save, and the next upload of aone.jpglands on the exact path the first one had.The image widget's preview URL is built from that path, and so is its
itok. Both files get the same preview URL. Undertemporary://staging the derivative route isno_cacheand it only bites a browser that has the old thumbnail cached. Underpublic://staging, which is what the reporter had in 2022 and what any site without a writabletemporary://still has, the derivative is a static file with a one yearExpiresheader, so the second upload shows the first file's thumbnail. That is the reporter's "wrong image" on the edit form.The functional test
testStagedPreviewUrlIsUniquefails on8.x-1.xwith both previews at/filefield_paths/image-style/thumbnail/temporary?file=filefield_paths/one.jpg.webp&itok=-ieRj2dN.The other two symptoms on the issue (images in the wrong order, one image duplicated onto another item) do not reproduce on the current branch.
testReplaceAllImagesremoves three images from a node and uploads three new ones, and every alt, URI and checksum lands where it should.Fix
FieldWidgetSingleElementForm::formAlter()now stages each upload under<temp_location>/ffp-<random>/. A new path means a new preview URL and a newitok, so nothing cached for an earlier upload can be served for this one. The existing access check, URL rewrite and download grant fortemporary://staging all match on thetemp_locationprefix, so nested paths pass unchanged. The move hook already removes empty source directories after a save.An upload that is never saved is deleted by cron, which would leave its empty
ffp-*directory behind. A newhook_file_deleteinHook\Fileremoves that directory. The name alone does not prove this module made the directory, so it is only removed when it sits directly inside a configured staging location, the globaltemp_locationor a field level override.rmdir()fails on one that still holds files. The hook has a#[LegacyHook]wrapper infilefield_paths.moduleso it also fires on Drupal 10, where hook classes are not discovered.Tests
FileFieldPathsMultiValueReplaceTest::testStagedPreviewUrlIsUniqueFileFieldPathsMultiValueReplaceTest::testReplaceAllImagesStagingDirectoryCleanupTest(five tests)testEmptyStagingDirectoryIsRemovedandtestStagingNameOutsideTheStagingLocationIsKeptfailFieldWidgetSingleElementFormTestFileFieldPathsGeneralTestThe multi-value test runs without Pathauto. Pathauto has no part in the staged path, and it trips a PHP 8.5 deprecation on every node form (https://www.drupal.org/project/pathauto/issues/3579655).
Local runs: unit 35, kernel 103, functional 36, all green. Lint green.