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Diffstat (limited to 'extensions/ConfirmEdit/ConfirmEdit.php')
| -rw-r--r-- | extensions/ConfirmEdit/ConfirmEdit.php | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/extensions/ConfirmEdit/ConfirmEdit.php b/extensions/ConfirmEdit/ConfirmEdit.php new file mode 100644 index 00000000..0255a3ab --- /dev/null +++ b/extensions/ConfirmEdit/ConfirmEdit.php @@ -0,0 +1,227 @@ +<?php + +/** + * ConfirmEdit MediaWiki extension. + * + * This is a framework that holds a variety of CAPTCHA tools. The + * default one, 'SimpleCaptcha', is not intended as a production- + * level CAPTCHA system, and another one of the options provided + * should be used in its place for any real usages. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup Extensions + */ + +if ( !defined( 'MEDIAWIKI' ) ) { + exit; +} + +global $wgExtensionFunctions, $wgGroupPermissions; + +$wgExtensionFunctions[] = 'confirmEditSetup'; +$wgExtensionCredits['other'][] = array( + 'path' => __FILE__, + 'name' => 'ConfirmEdit', + 'author' => array( 'Brion Vibber', '...' ), + 'url' => 'http://www.mediawiki.org/wiki/Extension:ConfirmEdit', + 'version' => '1.0', + 'descriptionmsg' => 'captcha-desc', +); + +/** + * The 'skipcaptcha' permission key can be given out to + * let known-good users perform triggering actions without + * having to go through the captcha. + * + * By default, sysops and registered bot accounts will be + * able to skip, while others have to go through it. + */ +$wgGroupPermissions['*' ]['skipcaptcha'] = false; +$wgGroupPermissions['user' ]['skipcaptcha'] = false; +$wgGroupPermissions['autoconfirmed']['skipcaptcha'] = false; +$wgGroupPermissions['bot' ]['skipcaptcha'] = true; // registered bots +$wgGroupPermissions['sysop' ]['skipcaptcha'] = true; +$wgAvailableRights[] = 'skipcaptcha'; + +/** + * List of IP ranges to allow to skip the captcha, similar to the group setting: + * "$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'; + +/** + * 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. +$wgCaptchaTriggers['sendemail'] = false; // Special:Emailuser +$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; + +/** + * Number of bad login attempts before triggering the captcha. 0 means the + * captcha is presented on the first login. + */ +global $wgCaptchaBadLoginAttempts; +$wgCaptchaBadLoginAttempts = 3; + +/** + * 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'] = 'CaptchaSpecialPage'; + +$wgConfirmEditIP = dirname( __FILE__ ); +$wgExtensionMessagesFiles['ConfirmEdit'] = "$wgConfirmEditIP/ConfirmEdit.i18n.php"; +$wgExtensionAliasesFiles['ConfirmEdit'] = "$wgConfirmEditIP/ConfirmEdit.alias.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'; +$wgHooks['EmailUserForm'][] = 'ConfirmEditHooks::injectEmailUser'; +$wgHooks['EmailUser'][] = 'ConfirmEditHooks::confirmEmailUser'; +# Register API hook +$wgHooks['APIEditBeforeSave'][] = 'ConfirmEditHooks::confirmEditAPI'; + +$wgAutoloadClasses['ConfirmEditHooks'] = "$wgConfirmEditIP/ConfirmEditHooks.php"; +$wgAutoloadClasses['Captcha']= "$wgConfirmEditIP/Captcha.php"; +$wgAutoloadClasses['SimpleCaptcha']= "$wgConfirmEditIP/Captcha.php"; +$wgAutoloadClasses['CaptchaStore']= "$wgConfirmEditIP/CaptchaStore.php"; +$wgAutoloadClasses['CaptchaSessionStore']= "$wgConfirmEditIP/CaptchaStore.php"; +$wgAutoloadClasses['CaptchaCacheStore']= "$wgConfirmEditIP/CaptchaStore.php"; +$wgAutoloadClasses['CaptchaSpecialPage'] = "$wgConfirmEditIP/ConfirmEditHooks.php"; +$wgAutoloadClasses['HTMLCaptchaField']= "$wgConfirmEditIP/HTMLCaptchaField.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 = SpecialPage::getTitleFor( 'Captcha', 'image' ); + $help = SpecialPage::getTitleFor( 'Captcha', 'help' ); + $wgWhitelistRead[] = $image->getPrefixedText(); + $wgWhitelistRead[] = $help->getPrefixedText(); + } +} |