forked from https://github.com/symfony/symfony
b547855b23
This PR was merged into the 2.8 branch.
Discussion
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[HttpFoundation] Fix unprepared BinaryFileResponse sends empty file
| Q | A
| ------------- | ---
| Branch? | 2.8
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes, with the exception of preexisting, unrelated failures
| Fixed tickets | #28237
| License | MIT
| Doc PR |
When you call `BinaryFileResponse#sendContent()` without first calling `prepare()` the response is sent but the contents are empty. `prepare()` properly initializes the `$maxlen` and `$offset` properties. However, `sendContent()` doesn't do any sanity checking, and so, uses the uninitialized properties. This causes `stream_copy_to_stream()` to copy empty contents and the file that is sent, to contain nothing.
This change initializes the properties at definition instead of in `prepare()`.
> Additionally:
> - Bug fixes must be submitted against the lowest branch where they apply
~I'm not sure how early this bug exists, or how far back to go. I'll check to see if 2.7 and 2.8 are affected and report back.~
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