mediawiki-extensions-Confir.../ConfirmEdit.php

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<?php
2007-04-09 16:42:18 +00:00
/**
* Experimental captcha plugin framework.
* Not intended as a real production captcha system; derived classes
* can extend the base to produce their fancy images in place of the
* text-based test output here.
*
* Copyright (C) 2005-2007 Brion Vibber <brion@wikimedia.org>
* http://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @addtogroup Extensions
*/
if ( !defined( 'MEDIAWIKI' ) ) {
exit;
}
global $wgExtensionFunctions, $wgGroupPermissions;
$wgExtensionFunctions[] = 'confirmEditSetup';
$wgExtensionCredits['other'][] = array(
'name' => 'ConfirmEdit',
'author' => 'Brion Vibber',
'url' => 'http://www.mediawiki.org/wiki/Extension:ConfirmEdit',
'description' => 'Simple captcha implementation',
'descriptionmsg' => 'captcha-desc',
);
/**
* The 'skipcaptcha' permission key can be given out to
* let known-good users perform triggering actions without
* having to go through the captcha.
*
* By default, sysops and registered bot accounts will be
* able to skip, while others have to go through it.
*/
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$wgGroupPermissions['*' ]['skipcaptcha'] = false;
$wgGroupPermissions['user' ]['skipcaptcha'] = false;
$wgGroupPermissions['autoconfirmed']['skipcaptcha'] = false;
$wgGroupPermissions['bot' ]['skipcaptcha'] = true; // registered bots
$wgGroupPermissions['sysop' ]['skipcaptcha'] = true;
/**
* List of IP ranges to allow to skip the captcha, similar to the group setting:
* "$wgGroupPermission[...]['skipcaptcha'] = true"
*
* Specific IP addresses or CIDR-style ranges may be used,
* for instance:
* $wgCaptchaWhitelistIP = array('192.168.1.0/24', '10.1.0.0/16');
*/
$wgCaptchaWhitelistIP = false;
global $wgCaptcha, $wgCaptchaClass, $wgCaptchaTriggers;
$wgCaptcha = null;
$wgCaptchaClass = 'SimpleCaptcha';
/**
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* Actions which can trigger a captcha
*
* If the 'edit' trigger is on, *every* edit will trigger the captcha.
* This may be useful for protecting against vandalbot attacks.
*
* If using the default 'addurl' trigger, the captcha will trigger on
* edits that include URLs that aren't in the current version of the page.
* This should catch automated linkspammers without annoying people when
* they make more typical edits.
*
* The captcha code should not use $wgCaptchaTriggers, but CaptchaTriggers()
* which also takes into account per namespace triggering.
*/
$wgCaptchaTriggers = array();
$wgCaptchaTriggers['edit'] = false; // Would check on every edit
$wgCaptchaTriggers['create'] = false; // Check on page creation.
$wgCaptchaTriggers['addurl'] = true; // Check on edits that add URLs
$wgCaptchaTriggers['createaccount'] = true; // Special:Userlogin&type=signup
$wgCaptchaTriggers['badlogin'] = true; // Special:Userlogin after failure
/**
* You may wish to apply special rules for captcha triggering on some namespaces.
* $wgCaptchaTriggersOnNamespace[<namespace id>][<trigger>] forces an always on /
* always off configuration with that trigger for the given namespace.
* Leave unset to use the global options ($wgCaptchaTriggers).
*
* Shall not be used with 'createaccount' (it is not checked).
*/
$wgCaptchaTriggersOnNamespace = array();
#Example:
#$wgCaptchaTriggersOnNamespace[NS_TALK]['create'] = false; //Allow creation of talk pages without captchas.
#$wgCaptchaTriggersOnNamespace[NS_PROJECT]['edit'] = true; //Show captcha whenever editing Project pages.
/**
* Indicate how to store per-session data required to match up the
* internal captcha data with the editor.
*
* 'CaptchaSessionStore' uses PHP's session storage, which is cookie-based
* and may fail for anons with cookies disabled.
*
* 'CaptchaCacheStore' uses $wgMemc, which avoids the cookie dependency
* but may be fragile depending on cache configuration.
*/
global $wgCaptchaStorageClass;
$wgCaptchaStorageClass = 'CaptchaSessionStore';
/**
* Number of seconds a captcha session should last in the data cache
* before expiring when managing through CaptchaCacheStore class.
*
* Default is a half hour.
*/
global $wgCaptchaSessionExpiration;
$wgCaptchaSessionExpiration = 30 * 60;
/**
* Number of seconds after a bad login that a captcha will be shown to
* that client on the login form to slow down password-guessing bots.
*
* Has no effect if 'badlogin' is disabled in $wgCaptchaTriggers or
* if there is not a caching engine enabled.
*
* Default is five minutes.
*/
global $wgCaptchaBadLoginExpiration;
$wgCaptchaBadLoginExpiration = 5 * 60;
/**
* Allow users who have confirmed their e-mail addresses to post
* URL links without being harassed by the captcha.
*/
global $ceAllowConfirmedEmail;
$ceAllowConfirmedEmail = false;
/**
* Regex to whitelist URLs to known-good sites...
* For instance:
* $wgCaptchaWhitelist = '#^https?://([a-z0-9-]+\\.)?(wikimedia|wikipedia)\.org/#i';
* Local admins can define a whitelist under [[MediaWiki:captcha-addurl-whitelist]]
*/
$wgCaptchaWhitelist = false;
/**
* Additional regexes to check for. Use full regexes; can match things
* other than URLs such as junk edits.
*
* If the new version matches one and the old version doesn't,
* toss up the captcha screen.
*
* @fixme Add a message for local admins to add items as well.
*/
$wgCaptchaRegexes = array();
/** Register special page */
$wgSpecialPages['Captcha'] = array( /*class*/'CaptchaSpecialPage', /*name*/'Captcha' );
$wgConfirmEditIP = dirname( __FILE__ );
$wgExtensionMessagesFiles['ConfirmEdit'] = "$wgConfirmEditIP/ConfirmEdit.i18n.php";
if ( defined( 'MW_SUPPORTS_EDITFILTERMERGED' ) ) {
$wgHooks['EditFilterMerged'][] = 'ConfirmEditHooks::confirmEditMerged';
} else {
$wgHooks['EditFilter'][] = 'ConfirmEditHooks::confirmEdit';
}
$wgHooks['UserCreateForm'][] = 'ConfirmEditHooks::injectUserCreate';
$wgHooks['AbortNewAccount'][] = 'ConfirmEditHooks::confirmUserCreate';
$wgHooks['LoginAuthenticateAudit'][] = 'ConfirmEditHooks::triggerUserLogin';
$wgHooks['UserLoginForm'][] = 'ConfirmEditHooks::injectUserLogin';
$wgHooks['AbortLogin'][] = 'ConfirmEditHooks::confirmUserLogin';
# Register API hook
$wgHooks['APIEditBeforeSave'][] = 'ConfirmEditHooks::confirmEditAPI';
$wgAutoloadClasses['ConfirmEditHooks']
= $wgAutoloadClasses['SimpleCaptcha']
= $wgAutoloadClasses['CaptchaSessionStore']
= $wgAutoloadClasses['CaptchaCacheStore']
= $wgAutoloadClasses['CaptchaSpecialPage']
= "$wgConfirmEditIP/ConfirmEdit_body.php";
/**
* Set up $wgWhitelistRead
*/
function confirmEditSetup() {
global $wgGroupPermissions, $wgCaptchaTriggers;
if( !$wgGroupPermissions['*']['read'] && $wgCaptchaTriggers['badlogin'] ) {
// We need to ensure that the captcha interface is accessible
// so that unauthenticated users can actually get in after a
// mistaken password typing.
global $wgWhitelistRead;
$image = Title::makeTitle( NS_SPECIAL, 'Captcha/image' );
$help = Title::makeTitle( NS_SPECIAL, 'Captcha/help' );
$wgWhitelistRead[] = $image->getPrefixedText();
$wgWhitelistRead[] = $help->getPrefixedText();
}
}
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