EmailBlacklist.php

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<?php
 
class EmailBlacklist extends BaseBlacklist {
    public function filter( array $links, Title $title, $preventLog = false ) {
        throw new LogicException( __CLASS__ . ' cannot be used to filter links.' );
    }
 
    protected function getBlacklistType() {
        return 'email';
    }
 
    public function checkUser( User $user ) {
        $blacklists = $this->getBlacklists();
        $whitelists = $this->getWhitelists();
 
        // The email to check
        $email = $user->getEmail();
 
        if ( !count( $blacklists ) ) {
            // Nothing to check
            return true;
        }
 
        // Check for whitelisted email addresses
        if ( is_array( $whitelists ) ) {
            wfDebugLog( 'SpamBlacklist', "Excluding whitelisted email addresses from " .
                count( $whitelists ) . " regexes: " . implode( ', ', $whitelists ) . "\n" );
            foreach ( $whitelists as $regex ) {
                if ( preg_match( $regex, $email ) ) {
                    // Whitelisted email
                    return true;
                }
            }
        }
 
        # Do the match
        wfDebugLog( 'SpamBlacklist', "Checking e-mail address against " . count( $blacklists ) .
            " regexes: " . implode( ', ', $blacklists ) . "\n" );
        foreach ( $blacklists as $regex ) {
            if ( preg_match( $regex, $email ) ) {
                return false;
            }
        }
 
        return true;
    }
}