src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java

@@ -28,10 +28,10 @@
import org.keycloak.services.util.ResolveRelative;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
@@ -71,13 +71,11 @@
    }

    private static Set<String> getValidateRedirectUris(KeycloakSession session) {
        Set<String> redirects = new HashSet<>();
        for (ClientModel client : session.getContext().getRealm().getClients()) {
            if (client.isEnabled()) {
                redirects.addAll(resolveValidRedirects(session, client.getRootUrl(), client.getRedirectUris()));
            }
        }
        return redirects;
        return session.getContext().getRealm().getClientsStream()
                .filter(ClientModel::isEnabled)
                .map(c -> resolveValidRedirects(session, c.getRootUrl(), c.getRedirectUris()))
                .flatMap(Collection::stream)
                .collect(Collectors.toSet());
    }

    private static String verifyRedirectUri(KeycloakSession session, String rootUrl, String redirectUri, Set<String> validRedirects, boolean requireRedirectUri) {
@@ -117,7 +115,7 @@

            boolean valid = matchesRedirects(resolveValidRedirects, r);

            if (!valid && r.startsWith(Constants.INSTALLED_APP_URL) && r.indexOf(':', Constants.INSTALLED_APP_URL.length()) >= 0) {
            if (!valid && (r.startsWith(Constants.INSTALLED_APP_URL) || r.startsWith(Constants.INSTALLED_APP_LOOPBACK)) && r.indexOf(':', Constants.INSTALLED_APP_URL.length()) >= 0) {
                int i = r.indexOf(':', Constants.INSTALLED_APP_URL.length());

                StringBuilder sb = new StringBuilder();
@@ -189,10 +187,26 @@
    private static String getSingleValidRedirectUri(Collection<String> validRedirects) {
        if (validRedirects.size() != 1) return null;
        String validRedirect = validRedirects.iterator().next();
        int idx = validRedirect.indexOf("/*");
        return validateRedirectUriWildcard(validRedirect);
    }

    public static String validateRedirectUriWildcard(String redirectUri) {
        if (redirectUri == null)
            return null;

        int idx = redirectUri.indexOf("/*");
        if (idx > -1) {
            validRedirect = validRedirect.substring(0, idx);
            redirectUri = redirectUri.substring(0, idx);
        }
        return validRedirect;
        return redirectUri;
    }

    private static String getFirstValidRedirectUri(Collection<String> validRedirects) {
        final String redirectUri = validRedirects.stream().findFirst().orElse(null);
        return (redirectUri != null) ? validateRedirectUriWildcard(redirectUri) : null;
    }

    public static String getFirstValidRedirectUri(KeycloakSession session, String rootUrl, Set<String> validRedirects) {
        return getFirstValidRedirectUri(resolveValidRedirects(session, rootUrl, validRedirects));
    }
}