Autopromote.php

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<?php
class Autopromote {
    public static function getAutopromoteGroups( User $user ) {
        global $wgAutopromote;

        $promote = array();

        foreach ( $wgAutopromote as $group => $cond ) {
            if ( self::recCheckCondition( $cond, $user ) ) {
                $promote[] = $group;
            }
        }

        wfRunHooks( 'GetAutoPromoteGroups', array( $user, &$promote ) );

        return $promote;
    }

    public static function getAutopromoteOnceGroups( User $user, $event ) {
        global $wgAutopromoteOnce;

        $promote = array();

        if ( isset( $wgAutopromoteOnce[$event] ) && count( $wgAutopromoteOnce[$event] ) ) {
            $currentGroups = $user->getGroups();
            $formerGroups = $user->getFormerGroups();
            foreach ( $wgAutopromoteOnce[$event] as $group => $cond ) {
                // Do not check if the user's already a member
                if ( in_array( $group, $currentGroups ) ) {
                    continue;
                }
                // Do not autopromote if the user has belonged to the group
                if ( in_array( $group, $formerGroups ) ) {
                    continue;
                }
                // Finally - check the conditions
                if ( self::recCheckCondition( $cond, $user ) ) {
                    $promote[] = $group;
                }
            }
        }

        return $promote;
    }

    private static function recCheckCondition( $cond, User $user ) {
        $validOps = array( '&', '|', '^', '!' );

        if ( is_array( $cond ) && count( $cond ) >= 2 && in_array( $cond[0], $validOps ) ) {
            # Recursive condition
            if ( $cond[0] == '&' ) { // AND (all conds pass)
                foreach ( array_slice( $cond, 1 ) as $subcond ) {
                    if ( !self::recCheckCondition( $subcond, $user ) ) {
                        return false;
                    }
                }

                return true;
            } elseif ( $cond[0] == '|' ) { // OR (at least one cond passes)
                foreach ( array_slice( $cond, 1 ) as $subcond ) {
                    if ( self::recCheckCondition( $subcond, $user ) ) {
                        return true;
                    }
                }

                return false;
            } elseif ( $cond[0] == '^' ) { // XOR (exactly one cond passes)
                if ( count( $cond ) > 3 ) {
                    wfWarn( 'recCheckCondition() given XOR ("^") condition on three or more conditions.' .
                        ' Check your $wgAutopromote and $wgAutopromoteOnce settings.' );
                }
                return self::recCheckCondition( $cond[1], $user )
                    xor self::recCheckCondition( $cond[2], $user );
            } elseif ( $cond[0] == '!' ) { // NOT (no conds pass)
                foreach ( array_slice( $cond, 1 ) as $subcond ) {
                    if ( self::recCheckCondition( $subcond, $user ) ) {
                        return false;
                    }
                }

                return true;
            }
        }
        // If we got here, the array presumably does not contain other conditions;
        // it's not recursive.  Pass it off to self::checkCondition.
        if ( !is_array( $cond ) ) {
            $cond = array( $cond );
        }

        return self::checkCondition( $cond, $user );
    }

    private static function checkCondition( $cond, User $user ) {
        global $wgEmailAuthentication;
        if ( count( $cond ) < 1 ) {
            return false;
        }

        switch ( $cond[0] ) {
            case APCOND_EMAILCONFIRMED:
                if ( Sanitizer::validateEmail( $user->getEmail() ) ) {
                    if ( $wgEmailAuthentication ) {
                        return (bool)$user->getEmailAuthenticationTimestamp();
                    } else {
                        return true;
                    }
                }
                return false;
            case APCOND_EDITCOUNT:
                return $user->getEditCount() >= $cond[1];
            case APCOND_AGE:
                $age = time() - wfTimestampOrNull( TS_UNIX, $user->getRegistration() );
                return $age >= $cond[1];
            case APCOND_AGE_FROM_EDIT:
                $age = time() - wfTimestampOrNull( TS_UNIX, $user->getFirstEditTimestamp() );
                return $age >= $cond[1];
            case APCOND_INGROUPS:
                $groups = array_slice( $cond, 1 );
                return count( array_intersect( $groups, $user->getGroups() ) ) == count( $groups );
            case APCOND_ISIP:
                return $cond[1] == $user->getRequest()->getIP();
            case APCOND_IPINRANGE:
                return IP::isInRange( $user->getRequest()->getIP(), $cond[1] );
            case APCOND_BLOCKED:
                return $user->isBlocked();
            case APCOND_ISBOT:
                return in_array( 'bot', User::getGroupPermissions( $user->getGroups() ) );
            default:
                $result = null;
                wfRunHooks( 'AutopromoteCondition', array( $cond[0], array_slice( $cond, 1 ), $user, &$result ) );
                if ( $result === null ) {
                    throw new MWException( "Unrecognized condition {$cond[0]} for autopromotion!" );
                }

                return (bool)$result;
        }
    }
}