[Wikidata-bugs] [Maniphest] [Commented On] T204791: Wikibase critical error "Failed to format entity ID. Cache key contains characters that are not allowed"

[Addshore]

Addshore added a comment.

Wikibase assumes that the language code in the ParserOptions is valid, but the ParserOptions will happily have whatever language the user provided.

/var/www/mediawiki/extensions/Wikibase/repo/includes/Content/EntityContent.php:272:
object(Language)[652]
  public 'mConverter' => 
    object(FakeConverter)[653]
      public 'mLang' => 
        &object(Language)[652]
  public 'mVariants' => null
  public 'mCode' => string '⧼lang⧽' (length=10)
  public 'mLoaded' => boolean false
  public 'mMagicExtensions' => 
    array (size=0)
      empty
  public 'mMagicHookDone' => boolean false
  private 'mHtmlCode' => null
  private 'mParentLanguage' => boolean false
  public 'dateFormatStrings' => 
    array (size=0)
      empty
  public 'mExtendedSpecialPageAliases' => null
  protected 'namespaceNames' => null
  protected 'mNamespaceIds' => null
  protected 'namespaceAliases' => null
  public 'transformData' => 
    array (size=0)
      empty

The language is used in EntityContent::getParserOutputFromEntityView to construct an EntityParserOutputGenerator

TASK DETAIL

https://phabricator.wikimedia.org/T204791

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To: Addshore
Cc: Addshore, WMDE-leszek, Aklapper, Krinkle, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Wikidata-bugs, aude, Jdforrester-WMF, Mbch331, Jay8g, Krenair

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