Extension:AntiSpoof

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AntiSpoof

Release status: stable

Implementation User activity
Description Prevents the creation of confusable usernames.
Author(s) Brion Vibber (Brion VIBBERtalk)
MediaWiki 1.13+
Database changes Yes
Tables spoofuser
License GNU General Public License 2.0 or later
Download
Parameters

$wgAntiSpoofAccounts

Added rights

override-antispoof

Hooks used
LoadExtensionSchemaUpdates

AbortNewAccount
AddNewAccount
UserCreateForm
RenameUserComplete

Translate the AntiSpoof extension if it is available at translatewiki.net

Check usage and version matrix; code metrics

Issues:

Open tasks · Report a bug

The AntiSpoof extension is an extension for preventing confusable usernames from being created. It blocks the creation of accounts with mixed-script, confusing and similar usernames.

For example, if user John Doe is already registered, the extension will block attempts to register:

  • Jοhn Doe ("ο" in Jοhn is Greek small letter omicron),
  • John Dоe ("о" in Dоe is Cyrillic small letter O),
  • Јohn Doe ("Ј" in Јohn is Cyrillic capital letter Je),
  • John Đoe ("Đ" in Đoe is Latin capital letter D with stroke),
  • Jóhn Doe ("ó" in Jóhn is Latin small letter O with acute),
  • John ​Doe (there is a Zero-width space before Doe),
  • Jøhn Doe ("ø" in Jøhn is Scandinavian oe),
  • J0hn Doe ("0" is the number zero),

etc.

Installation[edit | edit source]

  • Download and place the file(s) in a directory called AntiSpoof in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php:
require_once "$IP/extensions/AntiSpoof/AntiSpoof.php";
  • Run the update script which will automatically create the necessary database tables that this extension needs.
  • In case user accounts are stored in a shared database, add:
$wgSharedTables[] = 'spoofuser';
  • Run the batchAntiSpoof.php script from the command line to pre-populate the antispoof table with your wiki's existing usernames.
php extensions/AntiSpoof/maintenance/batchAntiSpoof.php
  • YesY Done - Navigate to Special:Version on your wiki to verify that the extension is successfully installed.
  • To verify that it's working, try creating an account for username "Adm1n"; most wikis have an "Admin" account and so AntiSpoof should reject this lookalike username with a message like "The name Adm1n is too similar to the existing account: Admin".

Also See[edit | edit source]


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