149 lines
4.5 KiB
PHP
149 lines
4.5 KiB
PHP
<?php
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/**
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* This class checks if user can get extra rights
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* because of conditions specified in $wgAutopromote
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*/
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class Autopromote {
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/**
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* Get the groups for the given user based on $wgAutopromote.
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*
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* @param $user The user to get the groups for
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* @return array Array of groups to promote to.
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*/
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public static function getAutopromoteGroups( User $user ) {
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global $wgAutopromote;
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$promote = array();
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foreach ( $wgAutopromote as $group => $cond ) {
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if ( self::recCheckCondition( $cond, $user ) )
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$promote[] = $group;
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}
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wfRunHooks( 'GetAutoPromoteGroups', array( $user, &$promote ) );
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return $promote;
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}
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/**
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* Recursively check a condition. Conditions are in the form
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* array( '&' or '|' or '^', cond1, cond2, ... )
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* where cond1, cond2, ... are themselves conditions; *OR*
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* APCOND_EMAILCONFIRMED, *OR*
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* array( APCOND_EMAILCONFIRMED ), *OR*
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* array( APCOND_EDITCOUNT, number of edits ), *OR*
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* array( APCOND_AGE, seconds since registration ), *OR*
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* similar constructs defined by extensions.
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* This function evaluates the former type recursively, and passes off to
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* self::checkCondition for evaluation of the latter type.
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*
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* @param $cond Mixed: a condition, possibly containing other conditions
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* @param $user The user to check the conditions against
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* @return bool Whether the condition is true
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*/
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private static function recCheckCondition( $cond, User $user ) {
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$validOps = array( '&', '|', '^', '!' );
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if ( is_array( $cond ) && count( $cond ) >= 2 && in_array( $cond[0], $validOps ) ) {
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# Recursive condition
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if ( $cond[0] == '&' ) {
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foreach ( array_slice( $cond, 1 ) as $subcond ) {
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if ( !self::recCheckCondition( $subcond, $user ) ) {
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return false;
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}
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}
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return true;
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} elseif ( $cond[0] == '|' ) {
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foreach ( array_slice( $cond, 1 ) as $subcond ) {
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if ( self::recCheckCondition( $subcond, $user ) ) {
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return true;
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}
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}
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return false;
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} elseif ( $cond[0] == '^' ) {
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$res = null;
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foreach ( array_slice( $cond, 1 ) as $subcond ) {
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if ( is_null( $res ) ) {
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$res = self::recCheckCondition( $subcond, $user );
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} else {
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$res = ( $res xor self::recCheckCondition( $subcond, $user ) );
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}
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}
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return $res;
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} elseif ( $cond[0] = '!' ) {
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foreach ( array_slice( $cond, 1 ) as $subcond ) {
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if ( self::recCheckCondition( $subcond, $user ) ) {
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return false;
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}
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}
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return true;
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}
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}
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# If we got here, the array presumably does not contain other condi-
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# tions; it's not recursive. Pass it off to self::checkCondition.
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if ( !is_array( $cond ) ) {
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$cond = array( $cond );
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}
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return self::checkCondition( $cond, $user );
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}
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/**
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* As recCheckCondition, but *not* recursive. The only valid conditions
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* are those whose first element is APCOND_EMAILCONFIRMED/APCOND_EDITCOUNT/
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* APCOND_AGE. Other types will throw an exception if no extension evalu-
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* ates them.
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*
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* @param $cond Array: A condition, which must not contain other conditions
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* @param $user The user to check the condition against
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* @return bool Whether the condition is true for the user
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*/
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private static function checkCondition( $cond, User $user ) {
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if ( count( $cond ) < 1 ) {
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return false;
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}
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switch( $cond[0] ) {
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case APCOND_EMAILCONFIRMED:
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if ( User::isValidEmailAddr( $user->getEmail() ) ) {
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global $wgEmailAuthentication;
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if ( $wgEmailAuthentication ) {
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return (bool)$user->getEmailAuthenticationTimestamp();
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} else {
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return true;
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}
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}
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return false;
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case APCOND_EDITCOUNT:
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return $user->getEditCount() >= $cond[1];
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case APCOND_AGE:
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$age = time() - wfTimestampOrNull( TS_UNIX, $user->getRegistration() );
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return $age >= $cond[1];
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case APCOND_AGE_FROM_EDIT:
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$age = time() - wfTimestampOrNull( TS_UNIX, $user->getFirstEditTimestamp() );
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return $age >= $cond[1];
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case APCOND_INGROUPS:
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$groups = array_slice( $cond, 1 );
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return count( array_intersect( $groups, $user->getGroups() ) ) == count( $groups );
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case APCOND_ISIP:
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return $cond[1] == wfGetIP();
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case APCOND_IPINRANGE:
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return IP::isInRange( wfGetIP(), $cond[1] );
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case APCOND_BLOCKED:
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return $user->isBlocked();
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default:
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$result = null;
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wfRunHooks( 'AutopromoteCondition', array( $cond[0], array_slice( $cond, 1 ), $user, &$result ) );
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if ( $result === null ) {
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throw new MWException( "Unrecognized condition {$cond[0]} for autopromotion!" );
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}
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return $result ? true : false;
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}
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}
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}
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