recaptime.dev / phorge
@recaptime-dev's working patches + fork for Phorge, a community fork of Phabricator. (Upstream dev and stable branches are at upstream/main and upstream/stable respectively.) hq.recaptime.dev/wiki/Phorge
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Fix PHP 8.1 "strlen(null)" exceptions importing ICS file into calendar

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=df6c315ace5f), phorge(head=importICSCalendar, ref.master=3cc5ee6a33df, ref.importICSCalendar=3bd396120123)
#0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/calendar/import/PhabricatorCalendarImportEngine.php:459]
```

```
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=df6c315ace5f), phorge(head=importICSCalendar, ref.master=3cc5ee6a33df, ref.importICSCalendar=3bd396120123)
#0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/calendar/import/PhabricatorCalendarImportEngine.php:450]
```

Closes T15620

Test Plan:
* Revert rP02a4f8b0c8f1279fc0040ad8077942fd8b0d948b not to run into T15619
* Try to import an ICS file via `/calendar/import/edit/`
* See that page `/calendar/import/4/` renders correctly in web browser and shows `Log Messages` and `Imported Events` as expected

Reviewers: O1 Blessed Committers, valerio.bozzolan

Reviewed By: O1 Blessed Committers, valerio.bozzolan

Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15620

Differential Revision: https://we.phorge.it/D25411

Andre Klapper 9b105c8e ba4b8cb1

+2 -2
+2 -2
src/applications/calendar/import/PhabricatorCalendarImportEngine.php
··· 447 447 private function getParentNodeUID(PhutilCalendarEventNode $node) { 448 448 $recurrence_id = $node->getRecurrenceID(); 449 449 450 - if (!strlen($recurrence_id)) { 450 + if (!phutil_nonempty_string($recurrence_id)) { 451 451 return null; 452 452 } 453 453 ··· 456 456 457 457 private function getNodeInstanceEpoch(PhutilCalendarEventNode $node) { 458 458 $instance_iso = $node->getRecurrenceID(); 459 - if (strlen($instance_iso)) { 459 + if (phutil_nonempty_string($instance_iso)) { 460 460 $instance_datetime = PhutilCalendarAbsoluteDateTime::newFromISO8601( 461 461 $instance_iso); 462 462 $instance_epoch = $instance_datetime->getEpoch();