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Fix PHP 8.1 "strlen(null)" exception which blocks rendering commit page in Diffusion

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Summary:
`strlen()` was used in Phabricator to check if a generic value is a non-empty string.
This behavior is deprecated since PHP 8.1. Phorge adopts `phutil_nonempty_string()` as a replacement.

Note: this may highlight other absurd input values that might be worth correcting
instead of just ignoring. If phutil_nonempty_string() throws an exception in your
instance, report it to Phorge to evaluate and fix that specific corner case.

```
EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]
arcanist(head=master, ref.master=97e163187418), phorge(head=diffusionCallsignHistory, ref.master=9b99123ff931, ref.diffusionCallsignHistory=d5fb6702a49a)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/diffusion/controller/DiffusionCommitController.php:31]
```

Closes T15466

Test Plan: After applying this change, going to an existing commit URL like `/diffusion/XYZ/commit/999a2c7d1ff8` shows the exception covered by T15464 instead, as expected.

Reviewers: O1 Blessed Committers, speck

Reviewed By: O1 Blessed Committers, speck

Subscribers: speck, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15466

Differential Revision: https://we.phorge.it/D25290
This commit is contained in:
Andre Klapper 2023-06-12 11:20:52 +02:00
parent 32b2d3871f
commit efbb809d42
1 changed files with 3 additions and 2 deletions
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5
src/applications/diffusion/controller/DiffusionCommitController.php
View file

@ -27,8 +27,9 @@ final class DiffusionCommitController extends DiffusionController {
// If this page is being accessed via "/source/xyz/commit/...", redirect
// to the canonical URI.
$has_callsign = strlen($request->getURIData('repositoryCallsign'));
$has_id = strlen($request->getURIData('repositoryID'));
$has_callsign =
phutil_nonempty_string($request->getURIData('repositoryCallsign'));
$has_id = phutil_nonempty_string($request->getURIData('repositoryID'));
if (!$has_callsign && !$has_id) {
$canonical_uri = $repository->getCommitURI($commit_identifier);
return id(new AphrontRedirectResponse())