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Fix PHP 8.1 "strlen(null)" exceptions trying to browse Diffusion repository code

Browse source 
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=diffusionBrowseCode, ref.master=108cbcd09bd3, ref.diffusionBrowseCode=108cbcd09bd3)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/diffusion/controller/DiffusionBrowseController.php:25]
```

```
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=diffusionBrowseCode, ref.master=108cbcd09bd3, ref.diffusionBrowseCode=108cbcd09bd3)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php:40]
```
Closes T15462

Test Plan: After applying these two changes, get next expected exceptions about `RuntimeException: file_exists(): Passing null to parameter #1 ($filename) of type string is deprecated` and `CommandException: Command failed with error #128!  fatal: detected dubious ownership in repository at '/var/repo/1'`, but no RuntimeException about `strlen()` anymore.

Reviewers: O1 Blessed Committers, speck

Reviewed By: O1 Blessed Committers, speck

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

Maniphest Tasks: T15462

Differential Revision: https://we.phorge.it/D25286
This commit is contained in:
Andre Klapper 2023-06-12 03:49:51 +02:00
parent db19b23dce
commit 32b2d3871f
2 changed files with 2 additions and 2 deletions
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2
src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php
View file

@ -37,7 +37,7 @@ final class DiffusionBrowseQueryConduitAPIMethod
$repository = $drequest->getRepository();
$path = $request->getValue('path');
if (!strlen($path) || $path === '/') {
if (!phutil_nonempty_string($path) || $path === '/') {
$path = null;
}

2
src/applications/diffusion/controller/DiffusionBrowseController.php
View file

@ -22,7 +22,7 @@ final class DiffusionBrowseController extends DiffusionController {
// list.
$grep = $request->getStr('grep');
if (strlen($grep)) {
if (phutil_nonempty_string($grep)) {
return $this->browseSearch();
}